1 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
6 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
9 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
10 checking for overflow.
12 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
14 * configure.ac: Fixed typo in case statement: :: changed to ;;
16 2006-11-06 Bob Wilson <bob.wilson@acm.org>
18 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
19 count_leading_zeros, and count_trailing_zeros.
20 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
21 (TARGET_FOLD_BUILTIN): Define.
22 (TARGET_EXPAND_BUILTIN): Define.
23 (xtensa_init_builtins): New.
24 (xtensa_fold_builtin): New.
25 (xtensa_expand_builtin): New.
26 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
27 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
28 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
29 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
30 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
31 (any_extend): New code macro.
32 (u, su): New code attributes.
33 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
34 (nsau): Remove; replaced by clzsi2.
36 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
37 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
38 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
39 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
40 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
42 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
44 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
46 * config/arm/t-strongarm-elf: Likewise.
47 * config/arm/t-pe: Likewise.
48 * config/arm/t-arm-elf: Likewise.
49 * config/arm/t-xscale-elf: Likewise.
50 * config/arm/t-arm-coff: Likewise.
51 * config/arm/t-xscale-coff: Likewise.
52 * config/arm/t-wince-pe: Likewise.
54 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
56 * config/sh/lib1funcs-4-300.asm: Guard entire file with
59 2006-11-05 Jakub Jelinek <jakub@redhat.com>
62 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
65 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
68 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
69 as a valid 80387 constant.
70 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
71 * config/i386/i386.md (unnamed splitter): Split the load of
72 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
75 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
77 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
78 from the soft-frame, argument and virtual registers.
80 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
82 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
83 patterns for standard 80387 constants.
85 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
86 Steven Bosscher <steven@gcc.gnu.org>
89 * Makefile.in: Add fwprop.o.
90 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
91 * passes.c (init_optimization_passes): Schedule forward propagation.
92 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
94 * timevar.def (TV_FWPROP): New.
95 * common.opt (-fforward-propagate): New.
96 * opts.c (decode_options): Enable forward propagation at -O2.
97 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
98 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
99 canon_for_address, table_size): Remove.
100 (new_basic_block, insert, remove_from_table): Remove references to
102 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
103 simplification loop more straightforward by not calling fold_rtx
105 (equiv_constant): Move here a small part of fold_rtx_subreg,
106 do not call fold_rtx. Call avoid_constant_pool_reference
108 * recog.h (canonicalize_change_group): New.
110 * doc/invoke.texi (Optimization Options): Document fwprop.
111 * doc/passes.texi (RTL passes): Document fwprop.
113 2006-11-03 Geoffrey Keating <geoffk@apple.com>
115 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
116 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
117 (grokdeclarator): Likewise.
119 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
121 * tree-dump.c (dump_enable_all): Rename local variable
122 ir_type to avoid name conflicts.
123 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
124 instead of using ir_type().
125 * profile.c (tree_register_profile_hooks): Likewise.
126 * value-prof.c (tree_register_value_prof_hooks): Likewise.
127 * basic-block.h (struct edge_def): Likewise.
128 * config/arm/arm.c (legitimize_pic_address): Likewise.
129 * coretypes.h (ir_type): New enum of all intermediate languages
131 * cfghooks.c (ir_type): Rename to...
132 (current_ir_type): ...this. Distinguish between cfgrtl and
133 cfglayout mode when the current IR is RTL. Return enum ir_type.
134 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
136 2006-11-03 Paul Brook <paul@codesourcery.com>
138 * config/arm/arm.c (arm_file_start): New function.
139 (TARGET_ASM_FILE_START): Define.
140 (arm_default_cpu): New variable.
141 (arm_override_options): Set arm_default_cpu.
143 2006-11-03 David Ung <davidu@mips.com>
145 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
146 PROCESSOR_24KC and PROCESSOR_24KF.
147 * config/mips/mips.c (mips_cpu_info_table): Add processor names
148 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
149 (mips_rtx_cost_data): Add costs for the 24kc.
150 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
151 * config/mips/24k.md: Remove references to 24k and replace with
152 uses of 24kc/24kf in the appropriate reservations.
153 * doc/invoke.texi (MIPS Options): Updated.
155 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
157 * config/sh/crt1.asm: Fix #ifdef indent.
159 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
160 Merged from STMicroelectronics sources:
161 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
162 * config/sh/crt1.asm (vbr_600): Add missing #if.
163 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
164 * sh.opt (mfused-madd): New option.
165 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
166 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
167 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
168 Remove pointless handler at VBR+0.
169 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
170 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
171 fr7. Make sure the timer handler is called with the correct FPU
172 precision setting, according to the ABI.
173 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
174 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
175 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
176 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
177 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
178 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
179 zero as second operand.
180 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
181 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
182 Fixed some bugs related to negative values, in particular -0
183 and overflow at -0x80000000.
184 * config/sh/divcost-analysis: Added sh4-300 figures.
185 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
186 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
187 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
188 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
189 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
190 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
192 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
194 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
195 SH4-300 scheduling description & fixes to SH4-[12]00 description:
196 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
197 mac_mem, mem_mac, dfp_mul, fp_cmp.
198 (insn_class, dfp_comp, any_fp_comp): Update.
199 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
200 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
201 (muldf3_i): Likewise.
202 (movsi_i): Split rI08 alternative into two separate alternatives.
204 (movsi_ie, movsi_i_lowpart): Likewise.
205 (movqi_i): Split ri alternative into two separate alternatives.
207 * sh1.md (sh1_load_store, sh1_fp): Update.
208 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
209 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
210 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
211 (sh4a_fp_double_arith): Likewise.
212 * sh4-300.md: New file.
213 * sh.c (sh_handle_option): Handle m4-300* options.
214 (sh_adjust_cost): Fix latency of auto-increments.
215 Handle SH4-300 differently than other SH4s. Check for new insn types.
216 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
217 been set by an option.
218 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
219 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
220 (mbranch-cost=): Likewise.
221 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
223 * sh.md (mulsf3): Remove special expansion code.
224 (mulsf3_ie): Now a define_insn_and_split.
225 (macsf3): Allow for TARGET_SH4.
227 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
228 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
229 (expand_cbranchdi4): Likewise.
230 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
231 CONST_DOUBLE if the outer code is COMPARE.
232 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
233 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
234 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
235 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
236 Remove redundant fp_{zero,one}_operand checks.
237 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
238 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
239 (expand_cbranchdi4): Likewise.
240 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
241 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
243 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
245 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
248 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
250 * doc/invoke.texi: Fix mfp-trap-mode typo.
252 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
254 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
255 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
256 file_end_indicate_exec_stack.
257 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
259 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
260 for a non-executable stack.
261 * crti.asm: Likewise.
262 * crtn.asm: Likewise.
263 * libunwind.S: Likewise.
265 2006-11-02 Ben Elliston <bje@au.ibm.com>
267 * tree-ssa.c (warn_uninit): Use expand_location variables for
268 locus and declaration locus.
270 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
273 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
274 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
275 cmp{eq,gt,gtu}{si,di}_media.
276 (*cmpne0si_media): Remove.
277 (*movsicc_umin): Adjust gen_cmp*_media call.
278 (unordered): Change the mode of unordered and operands[1] to
280 (seq): Adjust gen_cmp*_media calls. Make the mode of
281 a temporary result of compare SImode if needed. If the mode
282 of operands[0] is DImode, extend the temporary result to DImode.
283 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
284 (sunorderd): Change the mode of match_operand and unorderd to
286 (cmpeq{sf,df}_media): Remove.
287 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
288 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
289 and compare operation to SImode.
291 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
293 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
295 (sparc64-sun-solaris2*): Likewise.
297 2006-11-02 Paul Brook <paul@codesourcery.com>
299 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
300 from priority argument. Use different section for non-default
302 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
304 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
307 * except.c (switch_to_exception_section): Do not cache the section
308 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
309 and flag_function_sections is set.
311 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
314 * builtins.c (do_mpfr_sincos): New.
315 (fold_builtin_1): Use it to fold builtin sincos.
317 2006-11-01 Roger Sayle <roger@eyesopen.com>
319 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
320 it into -D_REENTRANT.
322 2006-11-01 Roger Sayle <roger@eyesopen.com>
324 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
325 whether the assembler supports taking the difference of symbols in
326 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
327 * configure: Regenerate.
328 * config.in: Regenerate.
329 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
330 the assembler doesn't support taking the difference of symbols in
331 different sections, i.e. we're using the native solaris assembler.
333 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
334 Peter Bergner <bergner@vnet.ibm.com>
336 * doc/invoke.texi: Add cpu_type power6x
337 (RS/6000 and PowerPC Options): Add -mmfpgpr.
338 * config.gcc: Add cpu_type power6x.
339 * configure.ac: Add test for mf{t,f}gpr instructions.
340 (HAVE_AS_MFPGPR): New.
341 * config.in: Regenerate.
342 * configure: Regenerate.
343 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
344 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
345 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
346 and mftgpr attributes.
347 (define_attr "cpu"): Add power6.
348 Change instruction sequences to use new attributes.
349 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
350 (fix_truncdfsi2_mfpgpr): New.
351 (floatsidf_ppc64_mfpgpr): New.
352 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
353 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
354 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
355 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
356 (fix_truncdfsi2): Use gpc_reg_operand constraint.
357 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
358 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
359 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
360 cntlz,exts and var_delayed_compare.
361 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
362 _ARCH_PWR6X, if features enabled.
363 * config/rs6000/rs6000.opt (mmfpgpr): New.
364 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
365 (cached_can_issue_more): New variable.
366 (processor_costs): Add power6_cost.
367 (rs6000_sched_init): New function.
368 (is_dispatch_slot_restricted): Deleted.
369 (set_to_load_agen): New function.
370 (is_load_insn,is_store_insn): New functions.
371 (adjacent_mem_locations): New function.
372 (insn_must_be_first_in_group): New function.
373 (insn_must_be_last_in_group): New function.
374 (rs6000_sched_reorder): New function.
375 (rs6000_sched_reorder2): New function.
376 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
377 TARGET_SCHED_REORDER2): Define.
378 (processor_target_table): Use PROCESSOR_POWER6 for power6.
379 Add power6x. Add MASK_MFPGPR for power6x.
380 (POWERPC_MASKS): Add MASK_MFPGPR.
381 (rs6000_override_options): Set rs6000_always_hint to false
382 for power6. Set rs6000_align_branch_targets. Replace
383 rs6000_sched_groups check with rs6000_align_branch_targets.
384 Use PROCESSOR_POWER6.
385 (last_scheduled_insn): New variable.
386 (load_store_pendulum): New variable.
387 (rs6000_variable_issue): Set last_scheduled_insn and
388 cached_can_issue_more.
389 (rs6000_adjust_cost): Add power6 cost adjustments.
390 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
391 with insn_must_be_first_in_group. Add power6 priority adjustments.
392 (rs6000_issue_rate): Add CPU_POWER6.
393 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
394 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
395 (TARGET_MFPGPR): New.
396 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
397 (ASM_CPU_SPEC): Add power6x.
398 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
400 * config/rs6000/power6.md: New file.
402 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
404 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
405 HOST_WIDE_INT_PRINT to print high and low parts. Use
406 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
407 printing a hexadecimal number prefix it with 0x.
409 2006-11-01 Chris Johns <chris@contemporary.net.au>
412 * Makefile.in (install-driver): Use exeext when installing
413 $target-gcc-$version.
415 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
417 * c-common.c (flag_cpp0x): New.
418 * c-common.h (flag_cpp0x): New.
419 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
420 supported, define __GXX_EXPERIMENTAL_CPP0X__.
421 * c-opts.c (set_std_cxx0x): New.
422 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
423 * c.opt (std=c++0x): Document.
424 (std=gnu++0x): Ditto.
425 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
426 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
428 2006-11-01 Richard Guenther <rguenther@suse.de>
430 * config/i386/i386.c (ix86_expand_rint): Fix issues with
432 (ix86_expand_floorceildf_32): Likewise.
433 (ix86_expand_floorceil): Likewise.
434 (ix86_expand_trunc): Likewise.
436 2006-10-31 Andrew Pinski <pinskia@gmail.com>
438 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
441 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
443 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
445 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
447 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
449 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
450 * configure.ac (use_cxa_atexit): As a special case, don't test
451 for libc definition of __cxa_atexit on mingw32
452 * configure: Regenerate.
453 * config.gcc (i[34567]86-pc-mingw32): Default to
454 enable__cxa_atexit=yes.
456 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
458 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
460 2006-10-31 Geoffrey Keating <geoffk@apple.com>
463 * c-decl.c (start_struct): Don't create self-containing
465 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
467 * config/rs6000/rs6000-protos.h
468 (darwin_rs6000_special_round_type_align): New.
469 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
470 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
472 2006-10-31 Geoffrey Keating <geoffk@apple.com>
474 * toplev.c (compile_file): Call final_write_globals
475 even if there have been errors.
477 2006-10-31 Eric Christopher <echristo@apple.com>
478 Falk Hueffner <falk@debian.org>
480 * doc/extend.texi (__builtin_bswap32): Document.
481 (__builtin_bswap64): Ditto.
482 * doc/libgcc.texi (bswapsi2): Document.
484 * doc/rtl.texi (bswap): Document.
485 * optabs.c (expand_unop): Don't widen a bswap.
486 (init_optabs): Init bswap. Set libfuncs explicitly
487 for bswapsi2 and bswapdi2.
488 * optabs.h (OTI_bswap): New.
489 (bswap_optab): Ditto.
490 * genopinit.c (optabs): Handle bswap_optab.
491 * tree.h (tree_index): Add TI_UINT32_TYPE and
493 (uint32_type_node): New.
494 (uint64_type_node): Ditto.
495 * tree.c (build_common_tree_nodes_2): Initialize
496 uint32_type_node and uint64_type_node.
497 * builtins.c (expand_builtin_bswap): New.
498 (expand_builtin): Call.
499 (fold_builtin_bswap): New.
500 (fold_builtin_1): Call.
501 * fold-const.c (tree_expr_nonnegative_p): Return true
503 * builtin-types.def (BT_UINT32): New.
505 (BT_FN_UINT32_UINT32): Ditto.
506 (BT_FN_UINT64_UINT64): Ditto.
507 * builtins.def (BUILT_IN_BSWAP32): New.
508 (BUILT_IN_BSWAP64): Ditto.
509 * rtl.def (BSWAP): New.
510 * genattrtab.c (check_attr_value): New.
511 * libgcc2.c (__bswapSI2): New.
513 * libgcc2.h (__bswapSI2): Declare.
515 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
516 * simplify-rtx.c (simplify_const_unary_operation): Return
518 * libgcc-std.ver (__bwapsi2): Add.
520 * reload1.c (eliminate_regs_1): Add bswap.
521 (elimination_effects): Ditto.
522 * config/i386/i386.h (x86_bswap): New.
524 * config/i386/i386.c (x86_bswap): Set.
526 2006-10-31 Geoffrey Keating <geoffk@apple.com>
528 * coverage.c (coverage_checksum_string): Update comment.
529 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
530 of get_file_function_name.
531 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
532 of get_file_function_name_long.
533 * tree.c (get_file_function_name): Rename from
534 get_file_function_name_long; improve comment; handle 'I' and 'D'
535 specially when the target has ctor/dtor support; remove special
537 (get_file_function_name): Remove.
538 * tree.h (get_file_function_name): Rename from
539 get_file_function_name_long.
540 (get_file_function_name): Remove prototype.
542 2006-10-31 Geoffrey Keating <geoffk@apple.com>
544 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
545 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
547 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
548 Call dsymutil when compiling and linking one or more source files
551 2006-10-31 Geoffrey Keating <geoffk@apple.com>
554 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
556 2006-10-31 Geoffrey Keating <geoffk@apple.com>
558 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
559 inline static functions in c99 mode.
562 * doc/extend.texi (Inline): Update.
563 * c-tree.h (struct language_function): Remove field 'extern_inline'.
564 * c-decl.c (current_extern_inline): Delete.
565 (pop_scope): Adjust test for an undefined nested function.
566 Add warning about undeclared inline function.
567 (diagnose_mismatched_decls): Update comments. Disallow overriding
568 of inline functions in a translation unit in C99. Allow inline
569 declarations in C99 at any time.
570 (merge_decls): Boolize variables. Handle C99 'extern inline'
572 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
573 C99 inline semantics.
574 (start_function): Don't clear current_extern_inline. Don't set
576 (c_push_function_context): Don't push current_extern_inline.
577 (c_pop_function_context): Don't restore current_extern_inline.
580 * c-typeck.c (build_external_ref): Warn about static variables
581 used in extern inline functions.
582 * c-decl.c (start_decl): Warn about static variables declared
583 in extern inline functions.
585 2006-10-31 Roger Sayle <roger@eyesopen.com>
588 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
589 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
590 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
591 or y is an even integer.
593 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
596 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
597 * gthr-posix95.h (__gthread_active_p): Likewise.
599 2006-10-31 Richard Guenther <rguenther@suse.de>
601 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
602 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
603 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
604 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
605 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
606 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
607 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
608 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
611 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
613 * opts.c (decode_options): Disable CSE skip blocks.
615 2006-10-30 Dirk Mueller <dmueller@suse.de>
617 * c-common.h (strict_aliasing_warning): Fix whitespace.
618 * c-decl (start_function): Move code for main decl warning ..
619 * c-common.c (check_main_parameter_types): .. here.
620 * c-common.h (check_main_parameter_types): Declare.
622 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
625 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
627 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
629 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
630 be a PARALLEL containing sets. Return false when out_pat is not
633 2006-10-30 Richard Sandiford <richard@codesourcery.com>
635 * config/mips/mips.md (mul<mode>3): Split into...
636 (mulsi3, muldi3): ...these separate patterns.
638 2006-10-30 Richard Sandiford <richard@codesourcery.com>
640 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
641 but with each set of options separated by spaces.
643 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
645 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
646 dwarf_reg_size_table has been initialized.
648 2006-10-30 Roger Sayle <roger@eyesopen.com>
650 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
651 * ddg.c (print_ddg_edge): Likewise.
652 * dwarf2out.c (prune_unused_types_walk): Likewise.
653 * ifcvt.c (noce_try_cmove_arith): Likewise.
654 * langhooks.c (add_builtin_function): Likewise.
655 * reg-stack.c (subst_stack_regs_pat): Likewise.
656 * tree.c (expanded_location): Likewise.
657 * tree-dump.c (dequeue_and_dump): Likewise.
659 2006-10-30 David Daney <ddaney@avtrex.com>
661 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
663 2006-10-30 Jakub Jelinek <jakub@redhat.com>
665 PR tree-optimization/29637
666 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
667 of the innertype is the innertype itself.
669 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
671 * dwarf2out.c (file_name_acquire): Correct typo.
673 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
675 * tree.h (tree_value_handle): Remove struct value_set declaration.
676 Change value_set to bitmap_set.
677 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
678 * tree-vn.c (get_value_handle): Made inline and moved to
680 * tree-flow-inline.h: (has_stmt_ann): New function.
681 * tree-ssa-pre.c (expressions): New variable.
682 (next_expression_id): Ditto.
683 (alloc_expression_id): New function.
684 (struct value_set): Remove.
685 (get_expression_id): New function.
686 (get_or_alloc_expression_id): Ditto.
687 (expression_for_id): Ditto.
688 (clear_expression_ids): Ditto.
689 (FOR_EACH_EXPR_ID_IN_SET): New macro.
690 (bb_value_sets): Renamed to bb_bitmap_sets.
691 All value sets replaced with bitmap_sets.
693 (BB_VISITED): New macro.
694 (postorder): New variable.
695 (add_to_value): Removed.
696 (value_exists_in_set_bitmap): Ditto.
697 (value_insert_into_set_bitmap): Ditto.
701 (set_contains_value): Ditto.
702 (insert_into_set): Ditto.
704 (find_leader): Ditto.
705 (bitmap_set_subtract_from_value_set): Ditto.
706 (value_insert_into_set): Ditto.
707 (print_value_set): Ditto.
708 (debug_value_set): Ditto.
709 (constant_expr_p): New function.
710 (bitmap_remove_from_set): Ditto.
711 (bitmap_insert_into_set): Ditto.
712 (bitmap_set_free): Ditto.
714 (sorted_array_from_bitmap_set): Ditto.
715 (bitmap_set_subtract): Ditto.
716 (bitmap_set_equal): Ditto.
717 (debug_bitmap_set): Ditto.
718 (find_leader_in_sets): Ditto.
719 (bitmap_set_replace_value): Modify for bitmapped sets.
720 (phi_translate): Ditto.
721 (phi_translate_set): Ditto.
722 (bitmap_find_leader): Ditto.
723 (valid_in_sets): Ditto.
724 (union_contains_value): Ditto.
726 (compute_antic_aux): Ditto. Mark changed blocks.
727 (compute_antic): Ditto. Iterate in postorder and only over
729 (compute_rvuse_and_antic_safe): Reuse postorder.
730 (create_component_ref_by_pieces): Modify for bitmapped sets.
731 (find_or_generate_expression): Ditto.
732 (create_expression_by_pieces): Ditto.
733 (insert_into_preds_of_block): Ditto.
734 (changed_blocks): New variable.
735 (do_regular_insertion): Broken out from insert_aux.
736 (insert_aux): Modified for bitmapped sets.
737 (find_existing_value_expr): New function.
738 (create_value_expr_from): Use it.
739 (insert_extra_phis): Removed.
740 (print_bitmap_set): Renamed from bitmap_print_value_set.
741 (compute_avail): Handle RETURN_EXPR.
742 (init_pre): Modify for bitmapped sets.
743 * tree-flow.h (has_stmt_ann): New function.
745 2006-10-29 Roger Sayle <roger@eyesopen.com>
747 * builtins.c (fold_builtin_floor): Check for the availability of
748 the C99 trunc function before transforming floor into trunc.
750 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
752 * builtins.c (fold_builtin_hypot): Rearrange recursive
753 transformation before others, and also do ABS_EXPR. When
754 necessary, check flag_unsafe_math_optimizations. When necessary,
757 2006-10-29 Roger Sayle <roger@eyesopen.com>
759 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
760 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
761 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
762 Fold -X eq/ne -Y as X eq/ne Y.
764 2006-10-29 Richard Sandiford <richard@codesourcery.com>
766 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
767 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
768 rather than GENERATE_MULT3_SI in the various define_peephole2s.
769 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
770 Use an inclusive test for "mult" rather than "mul".
771 (rotr<mode>3): Depend on ISA_HAS_ROR.
772 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
774 (GENERATE_MULT3_DI): Delete.
775 (ISA_HAS_64BIT_REGS): Use consistent formatting.
776 (ISA_HAS_MUL3): New macro.
777 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
778 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
779 (ISA_HAS_CLZ_CLO): Likewise.
780 (ISA_HAS_DCLZ_DCLO): Delete.
781 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
782 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
783 the VR4120 and VR4130.
784 (ISA_HAS_MACCHI): Use consistent formatting.
785 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
786 (ISA_HAS_ROR): ...this new macro.
787 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
788 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
789 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
791 2006-10-29 Roger Sayle <roger@eyesopen.com>
793 PR tree-optimization/15458
794 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
797 2006-10-29 Richard Guenther <rguenther@suse.de>
799 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
800 (ix86_expand_truncdf_32): Likewise.
801 * config/i386/i386.c (ix86_expand_trunc): New function expanding
802 trunc inline for SSE math and -fno-trapping-math and if not
804 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
805 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
806 for expanding btrunc inline for SSE math.
808 2006-10-29 Joseph Myers <joseph@codesourcery.com>
810 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
811 Handle tuning for bi-arch i[34567]86-*-linux* like that for
812 i[34567]86-*-solaris2.1[0-9]*.
813 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
814 Define conditionally depending on TARGET_64BIT_DEFAULT.
815 (SPEC_32, SPEC_64): Define.
816 (LINK_SPEC): Use them.
817 * doc/install.texi (--enable-targets=all): Document for x86-linux.
819 2006-10-29 Richard Guenther <rguenther@suse.de>
821 * config/i386/i386-protos.h (ix86_expand_round): Declare.
822 (ix86_expand_rounddf_32): Likewise.
823 * config/i386/i386.c (ix86_expand_round): New function expanding
824 round inline for SSE math and -fno-trapping-math and if not
826 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
827 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
828 round via ix86_expand_round.
830 2006-10-29 Richard Guenther <rguenther@suse.de>
832 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
833 (ix86_expand_floorceildf_32): Likewise.
834 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
835 static helper function.
836 (ix86_expand_floorceil): Expander for floor and ceil to SSE
838 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
839 * config/i386/i386.md (floordf2): Adjust to enable floor
840 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
841 -fno-trapping-math is enabled and if not optimizing for size.
842 (floorsf2, ceildf2, ceilsf2): Likewise.
843 * config/i386/sse.md (sse_maskcmpsf3): New insn.
844 (sse2_maskcmpdf3): Likewise.
846 2006-10-29 Richard Guenther <rguenther@suse.de>
848 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
849 rint in case -fno-trapping-math is enabled.
850 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
851 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
852 (ix86_expand_sse_fabs): Likewise.
853 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
854 * config/i386/i386.md (rintdf2): Enable for SSE math if
855 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
858 2006-10-29 Richard Guenther <rguenther@suse.de>
860 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
861 to conversion optabs.
862 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
864 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
865 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
866 (lfloor_optab, lceil_optab): Adjust defines.
867 * builtins.c (expand_builtin_int_roundingfn): Adjust for
868 lfloor and lceil optabs now being conversion optabs.
869 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
870 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
871 New static helper function.
872 (ix86_expand_lfloorceil): New function to expand lfloor and
874 * config/i386/i386.md (lfloor<mode>2): Split into ...
875 (lfloorxf<mode>2): ... x87 variant
876 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
877 using ix86_expand_lfloorceil.
878 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
880 * doc/md.texi (lfloorMN, lceilMN): Document.
882 2006-10-29 Richard Sandiford <richard@codesourcery.com>
884 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
885 -mno-shared assembler option on mips targets.
886 * configure, config.in: Regenerate.
887 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
888 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
889 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
891 2006-10-29 Richard Sandiford <richard@codesourcery.com>
893 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
894 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
896 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
898 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
899 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
902 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
905 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
906 (fold_builtin_pow): Evaluate constant arguments at compile-time
908 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
909 (do_mpfr_ckconv): New helper function.
910 (do_mpfr_arg1): Use do_mpfr_ckconv.
913 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
916 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
917 (-fdump-rtl-sched): Rename to ..
918 (-fdump-rtl-sched1): here. Also fix file extension number.
920 2006-10-28 Richard Guenther <rguenther@suse.de>
922 * fold-const.c (maybe_canonicalize_comparison): Fix code
925 2006-10-28 Uros Bizjak <uros@kss-loka.si>
927 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
928 (NON_QI_REG_P): Use IN_RANGE.
929 (REX_INT_REGNO_P): Use IN_RANGE.
930 (FP_REGNO_P): Use IN_RANGE.
931 (SSE_REGNO_P): Use IN_RANGE.
932 (REX_SSE_REGNO_P): Use IN_RANGE.
933 (MMX_REGNO_P): Use IN_RANGE.
934 (STACK_REGNO_P): New macro.
935 (STACK_REG_P): Use STACK_REGNO_P.
936 (NON_STACK_REG_P): Use STACK_REGNO_P.
937 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
938 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
939 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
940 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
941 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
943 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
945 * except.h (output_function_exception_table): Add 'const char*' param.
946 * except.c (switch_to_exception_section): Add 'const char*' param.
947 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
948 and flag_function_sections is set, use a function-specific section.
949 (output_function_exception_table): Add 'const char*' param.
950 Adjust call to switch_to_exception_section.
951 * final.c (rest_of_handle_final): Adjust calls to
952 output_function_exception_table.
953 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
954 * config.in: Regenerate.
955 * configure: Likewise.
957 2006-10-28 Richard Guenther <rguenther@suse.de>
960 * fold-const.c (maybe_canonicalize_comparison_1): Helper
961 for maybe_canonicalize_comparison.
962 (maybe_canonicalize_comparison): New function for canonicalizing
964 (fold_comparison): Call it to canonicalize comparisons with
967 2006-10-28 Richard Guenther <rguenther@suse.de>
970 * builtins.c (expand_builtin_int_roundingfn_2): Expand
971 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
972 (expand_builtin): Adjust likewise.
973 * genopinit.c (optabs[]): Add lround optab.
974 * optabs.c (init_optabs): Initialize lround_optab.
975 * optabs.h (enum convert_optab_index): Add COI_lround.
976 (lround_optab): Define.
977 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
978 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
980 (ix86_expand_lround): New function.
981 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
983 * doc/md.texi (lroundMN2): Document.
985 2006-10-28 Uros Bizjak <uros@kss-loka.si>
988 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
989 argument to HOST_WIDE_INT. Update function prototype.
990 (round_frame_size): Change return type to HOST_WIDE_INT. Change
991 "size" argument to HOST_WIDE_INT. Update function prototype.
993 2006-10-28 Uros Bizjak <uros@kss-loka.si>
995 * config/i386/i386.c (output_387_ffreep): Create output from a
996 template string for !HAVE_AS_IX86_FFREEP.
998 2006-10-27 Eric Christopher <echristo@apple.com>
1000 * config/darwin.c: Fix formatting and grammar.
1002 2006-10-27 Jan Hubicka <jh@suse.cz>
1004 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1005 to be thrown away soon when IGNORE is set.
1006 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1007 indicating when return value shall not be computed.
1008 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1010 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1012 * config/i386/i386.h (TARGET_GEODE):
1013 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1014 (TARGET_CPU_DEFAULT_geode): New macro.
1015 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1016 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1017 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1018 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1019 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1021 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1022 (processor_type): Add PROCESSOR_GEODE.
1024 * config/i386/i386.md: Include geode.md.
1027 * config/i386/i386.c (geode_cost): New initialized global
1029 (m_GEODE, m_K6_GEODE): New macros.
1030 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1031 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1032 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1033 x86_schedule): Use m_K6_GEODE instead of m_K6.
1034 (x86_movx, x86_cmove): Set up m_GEODE.
1035 (x86_integer_DFmode_moves): Clear m_GEODE.
1036 (processor_target_table): Add entry for geode.
1037 (processor_alias_table): Ditto.
1039 * config/i386/geode.md: New file.
1041 * doc/invoke.texi: Add entry about geode processor.
1043 2006-10-27 Mike Stump <mrs@apple.com>
1045 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1046 __DYNAMIC__ from here back to ...
1047 * config/darwin.h (CPP_SPEC): ... here.
1049 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1050 Nathan Sidwell <nathan@codesourcery.com>
1052 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1053 when choosing the minimum heapsize.
1055 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1057 * gcc/unwind-dw2.h: Move cfa-related variables into
1058 struct frame_state_reg_info to ensure that the CFA is properly
1059 handled when executing DW_CFA_{remember,restore}_state.
1060 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1061 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1062 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1063 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1064 gcc/config/rs6000/linux-unwind.h,
1065 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1066 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1067 Modify to use new cfa_* fields.
1069 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1071 * config/s390/s390.c (s390_init_frame_layout): Check positive
1074 2006-10-26 Ben Elliston <bje@au.ibm.com>
1076 * gimplify.c (get_name): Remove extraneous break.
1077 (gimplify_omp_for): Initialise ret with GS_OK.
1079 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1081 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1082 Add unix98.o to link line.
1084 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1087 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1088 Calculate compile-time constants using MPFR.
1089 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1090 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1092 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1094 * config/xtensa/lib2funcs.S: Use C-style comments.
1096 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1098 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1099 (file_table_relative_p): Likewise.
1100 (dwarf2out_finish): Likewise.
1101 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1103 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1105 * tree-ssa-structalias.c (intra_create_variable_infos):
1106 Don't recreate nonlocal_all if it already exists.
1108 2006-10-25 Richard Guenther <rguenther@suse.de>
1111 * optabs.h (enum optab_index): Remove OTI_lrint.
1112 (enum convert_optab_index): Add COI_lrint.
1113 (lrint_optab): Adjust.
1114 (expand_sfix_optab): Declare.
1115 * optabs.c (expand_sfix_optab): New function.
1116 (init_optabs): Init lrint_optab as conversion optab.
1117 * genopinit.c (lrint_optab): Change to a conversion optab.
1118 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1119 expansion via conversion optab.
1120 * config/i386/i386.md (*fistdi2_1): Remove
1121 flag_unsafe_math_optimizations guard.
1122 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1123 fist<mode>2_with_temp): Likewise.
1124 (lrint<mode>2): Split into...
1125 (lrintxf<mode>2): ... x87 part
1126 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1127 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1128 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1129 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1130 * doc/md.texi (lrintMN2): Document.
1132 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1135 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1136 Use inc and dec instructions for TARGET_USE_INCDEC.
1137 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1138 ("sync_double_compare_and_swap<mode>"): Likewise.
1139 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1140 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1141 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1142 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1143 ("sync_old_add<mode>"): Likewise.
1144 ("sync_lock_test_and_set<mode>"): Likewise.
1145 ("sync_lock_test_and_set<mode>"): Likewise.
1146 ("sync_add<mode>"): Likewise.
1147 ("sync_sub<mode>"): Likewise.
1148 ("sync_ior<mode>"): Likewise.
1149 ("sync_and<mode>"): Likewise.
1150 ("sync_xor<mode>"): Likewise.
1152 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1154 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1155 (remainder_optab): Define corresponding macro.
1156 (drem_optab): Remove.
1157 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1158 drem_optab initialization.
1159 * genopinit.c (optabs): Implement remainder_optab using
1160 remainder?f3 patterns. Remove drem_optab.
1161 * builtins.c (expand_builtin_mathfn_2): Handle
1162 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1163 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1164 expand_builtin_mathfn_2.
1166 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1167 depend on flag_unsafe_math_optimizations.
1169 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1170 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1171 Do not depend on flag_unsafe_math_optimizations. Use
1172 truncxf?f expander instead of truncxf?f_i387_noop.
1174 ("fpremxf4", "fprem1xf4"): Do not depend on
1175 flag_unsafe_math_optimizations.
1176 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1177 flag_unsafe_math_optimizations. Use truncxf?f expander
1178 instead of truncxf?f_i387_noop.
1180 * doc/md.texi (fmod, remainder): Document standard named pattern.
1182 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1183 David Daney <ddaney@avtrex.com>
1186 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1188 2006-10-25 Ben Elliston <bje@au.ibm.com>
1190 * doc/extend.texi (Variable Attributes): Typo fix.
1192 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1194 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1195 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1196 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1197 (FRAME_POINTER_REGNUM): Update register number to 21.
1198 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1199 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1201 * config/i386/i386.c (regclass_map): Add fpcr entry.
1202 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1204 (print_reg): Assert REGNO (x) != FPCR_REG.
1206 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1207 (DIRFLAG_REG): Renumber.
1208 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1209 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1210 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1211 hardcoded SSE register numbers.
1213 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1214 hardcoded MMX register numbers.
1216 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1219 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1220 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1222 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1223 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1224 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1225 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1227 2006-10-24 Richard Guenther <rguenther@suse.de>
1230 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1231 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1232 for deciding optimizations in consistency with fold-const.c
1233 (fold_builtin_unordered_cmp): Likewise.
1235 2006-10-24 Richard Guenther <rguenther@suse.de>
1237 * builtins.c (fold_builtin_floor): Fold floor (x) where
1238 x is nonnegative to trunc (x).
1239 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1240 nonnegative to FIX_TRUNC_EXPR.
1242 2006-10-24 Richard Guenther <rguenther@suse.de>
1244 PR tree-optimization/29567
1245 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1246 for TRUTH_NOT_EXPR. Clarify comments.
1248 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1251 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1252 at compile-time using MPFR. Change parameter VALUE to FUNC,
1254 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1255 for overflow and underflow at all times and avoid folding in
1258 2006-10-24 Ben Elliston <bje@au.ibm.com>
1260 * reload1.c: Formatting fixes.
1262 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1264 PR tree-optimization/14784
1265 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1266 * tree-ssa-structalias.c (get_constraint_for,
1267 intra_create_variable_infos): Set is_heapvar.
1268 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1269 non-heapvar pointer variables specially.
1271 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1274 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1275 fold_builtin_tan): Fold all constant arguments. Take a "type"
1276 argument as necessary.
1277 (do_mpfr_arg1): New.
1278 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1280 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1282 * config/xtensa/lib1funcs.asm: Use C-style comments.
1284 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1286 * tree.c (local_define_builtin): Replace calls to
1287 lang_hooks.builtin_function with add_builtin_function.
1288 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1290 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1292 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1293 common code to add_builtin_function.
1294 * langhooks.c (add_builtin_function): New function.
1295 (lhd_builtin_function): New function.
1296 * langhooks.h (struct lang_hooks): Change the signature of
1298 (add_builtin_function): New function.
1299 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1300 calls to lang_hooks.builtin_function with add_builtin_function.
1301 * c-common.c (decl_builtin_1): Replace calls to
1302 lang_hooks.builtin_function with add_builtin_function.
1303 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1304 lang_hooks.builtin_function with add_builtin_function.
1305 * config/frv/frv.c (def_builtin): Replace calls to
1306 lang_hooks.builtin_function with add_builtin_function.
1307 * config/s390/s390.c (s390_init_builtins): Replace calls to
1308 lang_hooks.builtin_function with add_builtin_function.
1309 * config/sparc/sparc.c (def_builtin): Replace calls to
1310 lang_hooks.builtin_function with add_builtin_function.
1311 * config/i386/i386.c (def_builtin): Replace calls to
1312 lang_hooks.builtin_function with add_builtin_function.
1313 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1314 lang_hooks.builtin_function with add_builtin_function.
1315 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1316 lang_hooks.builtin_function with add_builtin_function.
1317 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1318 Replace calls to lang_hooks.builtin_function with
1319 add_builtin_function.
1320 * config/iq2000/iq2000.c (def_builtin):
1321 Replace calls to lang_hooks.builtin_function with
1322 add_builtin_function.
1323 * config/ia64/ia64.c (def_builtin): Replace calls to
1324 lang_hooks.builtin_function with add_builtin_function.
1325 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1326 lang_hooks.builtin_function with add_builtin_function.
1327 (altivec_init_builtins): Replace calls to
1328 lang_hooks.builtin_function with add_builtin_function.
1329 * config/arm/arm.c (def_mbuiltin): Replace calls to
1330 lang_hooks.builtin_function with add_builtin_function.
1331 (arm_init_tls_builtins): Replace calls to
1332 lang_hooks.builtin_function with add_builtin_function.
1333 * config/mips/mips.c (mips_init_builtins): Replace calls to
1334 lang_hooks.builtin_function with add_builtin_function.
1335 * config/bfin/bfin.c (def_builtin): Replace calls to
1336 lang_hooks.builtin_function with add_builtin_function.
1337 * langhooks-def.h (lhd_builtin_function): New function.
1338 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1340 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1342 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1343 BUILT_IN_STRNCAT_CHK.
1345 2006-10-23 Jan Hubicka <jh@suse.cz>
1347 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1348 don't do conversion from memmove to memcpy here.
1349 (expand_builtin_bcopy, expand_builtin): Update call of
1350 expand_builtin_memmove.
1351 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1353 2006-10-23 Paul Brook <paul@codesourcery.com>
1355 * stor-layout.c (start_record_layout): maximum_field_alignment
1356 overrides STRUCTURE_SIZE_BOUNDARY.
1358 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1360 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1361 nonlocal function symbols if flag_pic.
1363 2006-10-23 Richard Guenther <rguenther@suse.de>
1367 * builtins.c (fold_binary): Remove checks for flag_wrapv
1368 and flag_trapv where negate_expr_p covers these cases.
1370 2006-10-23 Richard Guenther <rguenther@suse.de>
1373 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1374 of two on the absolute value.
1375 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1376 and negating -C does not overflow.
1378 2006-10-23 Richard Guenther <rguenther@suse.de>
1381 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1382 only if not flag_rounding_math.
1384 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1385 Kaz Kojima <kkojima@gcc.gnu.org>
1388 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1389 SImode memory reference for the source of a movua.
1390 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1391 (movua): Use an unspec instead of sign_extract. Expect the source
1392 to have mode BLKmode.
1393 (extv, insv): Use a BLKmode rather than SImode memory reference
1394 for the source of a movua.
1396 2006-10-22 Jeff Law <law@redhat.com>
1397 Richard Guenther <rguenther@suse.de>
1399 PR tree-optimization/15911
1400 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1401 (register_edge_assert_for_1): Likewise.
1402 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1403 (find_conditional_asserts): Adjust for new function signature.
1404 (find_assert_locations): Likewise.
1406 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1408 * config/i386/tmmintrin.h: Remove the duplicated content.
1410 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1412 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1413 (x86_64-*-*): Likewise.
1415 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1416 (override_options): Check SSSE3.
1417 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1418 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1419 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1420 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1421 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1422 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1423 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1424 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1425 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1426 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1427 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1428 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1429 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1430 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1431 IX86_BUILTIN_PABSD128.
1432 (bdesc_2arg): Add SSSE3.
1433 (bdesc_1arg): Likewise.
1434 (ix86_init_mmx_sse_builtins): Support SSSE3.
1435 (ix86_expand_builtin): Likewise.
1436 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1438 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1439 (UNSPEC_PSIGN): Likewise.
1440 (UNSPEC_PALIGNR): Likewise.
1441 Include mmx.md before sse.md.
1443 * config/i386/i386.opt: Add -mssse3.
1445 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1446 (ssse3_phaddwv4hi3): Likewise.
1447 (ssse3_phadddv4si3): Likewise.
1448 (ssse3_phadddv2si3): Likewise.
1449 (ssse3_phaddswv8hi3): Likewise.
1450 (ssse3_phaddswv4hi3): Likewise.
1451 (ssse3_phsubwv8hi3): Likewise.
1452 (ssse3_phsubwv4hi3): Likewise.
1453 (ssse3_phsubdv4si3): Likewise.
1454 (ssse3_phsubdv2si3): Likewise.
1455 (ssse3_phsubswv8hi3): Likewise.
1456 (ssse3_phsubswv4hi3): Likewise.
1457 (ssse3_pmaddubswv8hi3): Likewise.
1458 (ssse3_pmaddubswv4hi3): Likewise.
1459 (ssse3_pmulhrswv8hi3): Likewise.
1460 (ssse3_pmulhrswv4hi3): Likewise.
1461 (ssse3_pshufbv16qi3): Likewise.
1462 (ssse3_pshufbv8qi3): Likewise.
1463 (ssse3_psign<mode>3): Likewise.
1464 (ssse3_psign<mode>3): Likewise.
1465 (ssse3_palignrti): Likewise.
1466 (ssse3_palignrdi): Likewise.
1467 (abs<mode>2): Likewise.
1468 (abs<mode>2): Likewise.
1470 * config/i386/tmmintrin.h: New file.
1472 * doc/extend.texi: Document SSSE3 built-in functions.
1474 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1476 2006-10-22 Ira Rosen <irar@il.ibm.com>
1478 * tree-vect-transform.c (vectorizable_load): Use the type of the
1479 return value of the mask_for_load builtin to create realign_load
1482 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1484 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1487 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1489 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1490 (UNSPEC_LDDQU): This.
1491 * config/i386/sse.md (sse3_lddqu): Updated.
1493 2006-10-21 Richard Guenther <rguenther@suse.de>
1495 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1496 (expand_builtin): Use it to expand lrint instead of
1497 expand_builtin_mathfn.
1499 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1502 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1503 flag_unsafe_math_optimizations is set.
1505 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1508 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1509 patterns to use memory input operand in x87->mem->XMM
1510 reload sequences. Skip transformation for TARGET_K8.
1512 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1514 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1515 force operand1 to register if both operands are memory operands.
1516 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1517 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1518 if both operands are memory operands.
1519 (truncdfsf2): Do not force operand1 to register if both operands
1520 are memory operands.
1522 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1524 * Makefile.in (LIBS): Add $(GMPLIBS).
1525 * doc/install.texi: Update GMP and MPFR requirements.
1526 * doc/sourcebuild.texi (need_gmp): Delete.
1528 2006-10-21 Richard Guenther <rguenther@suse.de>
1530 PR tree-optimization/3511
1531 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1532 got new invariant arguments during PHI translation.
1534 2006-10-21 Richard Guenther <rguenther@suse.de>
1537 * fold-const.c (fold_comparison): Fold signed comparisons
1538 of the form X +- C1 CMP Y +- C2.
1540 2006-10-21 Richard Guenther <rguenther@suse.de>
1543 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1544 if flag_unsafe_math_optimizations is specified. We have
1545 flag_finite_math_only for that.
1546 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1547 or flag_unsafe_math_optimizations.
1549 2006-10-21 Richard Guenther <rguenther@suse.de>
1551 * builtins.c (fold_builtin_classify): Fix typo.
1553 2006-10-21 Richard Guenther <rguenther@suse.de>
1556 * simplify-rtx.c (simplify_const_relational_operation):
1557 Do not constant-fold ORDERED and UNORDERED for
1558 flag_unsafe_math_optimizations but only we do not need to
1559 honor NaNs for the given mode.
1561 2006-10-21 Richard Guenther <rguenther@suse.de>
1564 * config/i386/i386.c (classify_argument): Remove redundant
1565 walking of the BINFOs.
1566 (contains_128bit_aligned_vector_p): Likewise.
1568 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1570 * BASE-VER: Set to 4.3.0.
1572 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1574 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1575 (tree_decl_with_vis): Remove artificial_pta_var flag.
1576 * tree-flow.h (referenced_var_check_and_insert): Expose.
1577 (nonlocal_all): New prototype.
1578 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1579 (nonlocal_all): Make global.
1580 (nonlocal_lookup): Remove.
1581 (nonlocal_insert): Ditto.
1582 (create_nonlocal_var): Do not call nonlocal_insert.
1583 (get_nonlocal_id_for_type): Remove.
1584 (find_global_initializers): Mark new vars we find for renaming.
1585 (intra_create_variable_infos): Only create one nonlocal.
1586 (expand_nonlocal_solutions): Remove.
1587 (compute_points_to_sets): Don't call it.
1588 (ipa_pta_execute): Ditto.
1589 (init_alias_heapvars): Don't create nonlocal_for_type.
1590 (delete_alias_heapvars): Don't remove it.
1591 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1594 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1596 * doc/install.texi (Downloading GCC): Clarify mention of
1597 Fortran in the "full distribution" description.
1599 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1601 Fix PR tree-optimization/28778
1602 Fix PR tree-optimization/29156
1603 Fix PR tree-optimization/29415
1604 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1605 (tree_decl_with_vis): Add artificial_pta_var flag.
1606 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1607 pushed into callers.
1608 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1609 (nonlocal_all): Ditto.
1610 (struct variable_info): Add directly_dereferenced member.
1611 (var_escaped_vars): New variable.
1612 (escaped_vars_tree): Ditto.
1613 (escaped_vars_id): Ditto.
1614 (nonlocal_vars_id): Ditto.
1615 (new_var_info): Set directly_dereferenced.
1616 (graph_size): New variable
1617 (build_constraint_graph): Use graph_size.
1618 (solve_graph): Don't process constraints that cannot change the
1619 solution, don't try to propagate an empty solution to our
1621 (process_constraint): Set directly_dereferenced.
1622 (could_have_pointers): New function.
1623 (get_constraint_for_component_ref): Don't process STRING_CST.
1624 (nonlocal_lookup): New function.
1625 (nonlocal_insert): Ditto.
1626 (create_nonlocal_var): Ditto.
1627 (get_nonlocal_id_for_type): Ditto.
1628 (get_constraint_for): Allow results vector to be empty in the case
1629 of string constants.
1630 Handle results of calls properly.
1631 (update_alias_info): Update alias info stats on number and type of
1633 (find_func_aliases): Use could_have_pointers.
1634 (make_constraint_from_escaped): Renamed from
1635 make_constraint_to_anything, and changed to make constraints from
1637 (make_constraint_to_escaped): New function.
1638 (find_global_initializers): Ditto.
1639 (create_variable_info_for): Make constraint from escaped to any
1640 global variable, and from any global variable to the set of
1642 (intra_create_variable_infos): Deal with escaped instead of
1643 pointing to anything.
1644 (set_uids_in_ptset): Do type pruning on directly dereferenced
1646 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1647 (init_base_vars): Fix comment, and initialize escaped_vars.
1648 (need_to_solve): Removed.
1649 (find_escape_constraints): New function.
1650 (expand_nonlocal_solutions): Ditto.
1651 (compute_points_to_sets): Call find_escape_constraints and
1652 expand_nonlocal_solutions.
1653 (delete_points_to_sets): Don't fall off the end of the graph.
1654 (init_alias_heapvars): Initialize nonlocal_for_type and
1656 (delete_alias_heapvars): Free nonlocal_for_type and null out
1659 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1661 * fold-const.c (add_double): Rename to add_double_with_sign.
1662 Add 'unsigned_p' parameter and take it into account for the overflow.
1663 (mul_double): Rename to mul_double_with_sign.
1664 Add 'unsigned_p' parameter and take it into account for the overflow.
1665 (fold_div_compare): Call add_double_with_sign instead of add_double
1666 and mul_double_with_sign instead of mul_double, passing them the
1667 unsignedness of the type.
1668 * tree.h (add_double): Macroize.
1669 (add_double_with_sign): New prototype.
1670 (mul_double): Macroize.
1671 (mul_double_with_sign): New prototype.
1673 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1675 * config/score/crti.asm: New file.
1676 * config/score/crtn.asm: New file.
1677 * config/score/elf.h: New file.
1678 * config/score/mac.md: New file.
1679 * config/score/misc.md: New file.
1680 * config/score/mul-div.S: New file.
1681 * config/score/predicates.md: New file.
1682 * config/score/score7.md: New file.
1683 * config/score/score.c: New file.
1684 * config/score/score-conv.h: New file.
1685 * config/score/score.h: New file.
1686 * config/score/score.md: New file.
1687 * config/score/score-mdaux.c: New file.
1688 * config/score/score-mdaux.h: New file.
1689 * config/score/score-modes.def: New file.
1690 * config/score/score.opt: New file.
1691 * config/score/score-protos.h: New file.
1692 * config/score/score-version.h: New file.
1693 * config/score/t-score-elf: New file.
1694 * config.gcc: Add score*-*-* configurations(Update before).
1695 * doc/invoke.texi (Score Options): New section.
1696 * doc/md.texi (Score family): New section to document constraints.
1698 2006-10-19 Nick Clifton <nickc@redhat.com>
1700 * config/arm/arm.c: Fix spelling typo.
1702 2006-10-18 Tom Tromey <tromey@redhat.com>
1704 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1706 2006-10-18 Jan Hubicka <jh@suse.cz>
1709 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1712 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1714 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1715 TSI_SAME_STMT, since that's the desired entity.
1717 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1719 * config/s390/contraints.md: New file.
1720 * config/s390/s390-protos.h (s390_mem_constraint,
1721 s390_O_constraint_str, s390_N_constraint_str,
1722 s390_float_const_zero_p): Function prototypes added.
1723 * config/s390/s390.c (s390_extra_constraint_str,
1724 s390_const_double_ok_for_constraint_p,
1725 s390_const_ok_for_constraint_p): Functions removed.
1726 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1727 s390_float_const_zero_p): New functions.
1728 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1729 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1730 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1731 Macro definitions removed.
1732 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1733 s390_extra_constraint_str): Functions removed.
1735 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1736 Richard Sandiford <richard@codesourcery.com>
1739 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1740 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1742 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1744 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1745 (DWARF2_FRAME_REG_OUT): Likewise.
1746 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1747 (DWARF2_FRAME_REG_OUT): Likewise.
1749 2006-10-17 Paul Brook <paul@codesourcery.com>
1751 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1753 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1755 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1756 Standardize on "GNU Fortran" as the official name of the Fortran
1759 2006-10-16 Mike Stump <mrs@apple.com>
1761 * doc/invoke.texi (Darwin Options): Document -mkernel.
1762 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1764 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1765 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1766 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1767 (OS_MISSING_ALTIVEC): Add.
1768 * config/i386/i386.c (override_options): Add
1769 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1770 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1771 -mkernel, -static or -mdynamic-no-pic is given.
1772 (C_COMMON_OVERRIDE_OPTIONS): Add.
1773 * config/darwin.opt (fapple-kext): Add.
1775 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1776 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1778 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1779 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1780 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1781 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1782 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1783 (flag_mkernel): Add.
1784 (flag_apple_kext): Add.
1785 (TARGET_KEXTABI): Add.
1786 * config/darwin.c (darwin_handle_kext_attribute): Add.
1787 (DARWIN_VTABLE_P): Add.
1788 (darwin_binds_local_p): Add partial support for rebinding vtables
1790 (darwin_kextabi_p): Add.
1791 (darwin_override_options): Add.
1792 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1793 (darwin_kextabi_p): Add.
1794 (darwin_override_options): Add.
1795 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1796 __DYNAMIC__ and __STATIC__ here.
1798 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1800 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1801 Added mention of "make pdf" target, and Texinfo requirements for
1804 2006-10-16 DJ Delorie <dj@redhat.com>
1806 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1807 into the GOT in case we need a subreg of the address.
1809 2006-10-16 Richard Guenther <rguenther@suse.de>
1812 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1813 SSE builtin documentation. Document SSE2 builtins.
1815 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1817 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1818 symbol in the output file for non-shared links when -nostdlib or
1819 -nodefaultlibs isn't specified.
1821 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1822 posix thread support.
1824 2006-10-15 Jan Hubicka <jh@suse.cz>
1827 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1828 declared always_inline even when not inlining.
1830 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1831 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1832 Andrew Pinski <pinskia@gmail.com>
1835 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1837 2006-10-15 Jan Hubicka <jh@suse.cz>
1838 Richard Guenther <rguenther@suse.de>
1841 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1842 process_function_and_variable_attributes on all variables, including
1843 those discovered during cgraph construction phase.
1845 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1847 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1849 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1851 * config/i386/athlon.md (athlon_fist): Add fisttp.
1853 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1854 Ian Lance Taylor <ian@airs.com>
1857 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1858 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1861 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1863 * config/score/score.c, config/score/score.h: Fix comment
1866 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1869 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1872 2006-10-13 Eric Christopher <echristo@apple.com>
1874 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1876 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1879 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1880 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1881 alignment supported by 32-bit ELF.
1883 2006-10-13 Eric Christopher <echristo@apple.com>
1885 * config/darwin.c (darwin_emit_unwind_label): Strip
1886 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1888 2006-10-13 Richard Guenther <rguenther@suse.de>
1890 PR tree-optimization/29446
1891 * tree-vrp.c (fix_equivalence_set): Remove.
1892 (extract_range_from_assert): Do not call fix_equivalence_set.
1893 (debug_value_range): Print a newline.
1894 (compare_name_with_value): For equivalence sets with
1895 inconsistent value ranges conservatively bail out.
1896 (compare_names): Likewise.
1898 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1900 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1901 and MPFR for gfortran.
1903 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1905 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1906 alignment supported by 32-bit ELF.
1908 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1912 * c-typeck.c (digest_init): Always allow initializing vectors
1913 that have static storage duration with compound literals.
1914 * tree.c (build_type_attribute_qual_variant): New, based on
1915 build_type_attribute_variant.
1916 (build_type_attribute_variant): Rewrite using the former.
1917 (make_vector_type): Use build_type_attribute_qual_variant to build
1918 type variants. Use type_hash_canon on the others.
1920 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1921 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1923 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1925 2006-10-12 Jan Hubicka <jh@suse.cz>
1928 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1929 current_function_decl is set but current_function_scope is not.
1931 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1933 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1934 emit_insn to emit eh_return_internal instruction.
1935 (eh_return_internal): Explicitly set pc.
1937 2006-10-11 Richard Guenther <rguenther@suse.de>
1939 PR tree-optimization/28230
1940 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1941 to the correct place.
1943 2006-10-11 Richard Guenther <rguenther@suse.de>
1946 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1949 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1951 * configure.ac: Added pdf to "Make-hooks"
1952 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1953 targets and *.pdf file patterns in cleanup targets.
1954 * configure: Regenerated.
1956 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1958 * config/avr/predicates.md: New file.
1959 * config/avr/avr.md: Include it.
1960 (REG_SP): New constant.
1961 (peepholes): Use predicates.
1962 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1963 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1964 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1966 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1968 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1971 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1974 * builtins.c (var_decl_component_p): New function.
1975 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1976 single entry optimization to variables and components thereof.
1978 2006-10-10 Richard Guenther <rguenther@suse.de>
1980 PR rtl-optimization/29323
1981 * except.c (set_nothrow_function_flags): For functions
1982 that do not bind local bail out early.
1984 2006-10-10 Ben Elliston <bje@au.ibm.com>
1986 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1989 2006-10-09 Richard Henderson <rth@redhat.com>
1991 Revert emutls patch.
1993 2006-10-09 Richard Guenther <rguenther@suse.de>
1996 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1999 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2002 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2003 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2004 * configure: Regenerate.
2005 * config.in: Regenerate.
2007 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2009 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2011 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2013 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2014 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2015 Remove stray newline.
2017 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2019 * config/mips/mips.c (mips_classify_symbol): Do not return
2020 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2021 (mips_in_small_data_p): Tweak comments.
2023 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2025 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2027 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2029 * gimplify.c, sched-int.h: Fix comment typos.
2031 * sched-int.h: Fix comment typos.
2033 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2035 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2037 * sched-ebb.c (begin_schedule_ready): Use them.
2038 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2039 add_to_speculative_block, create_check_block_twin, speculate_insn,
2040 fix_jump_move, move_block_after_check): Ditto.
2041 * sched-rgn.c (new_ready): Ditto.
2043 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2045 PR rtl-optimization/29128
2046 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2047 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2048 allow interblock movement of speculation checks.
2050 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2053 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2054 casted to integer type.
2055 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2056 if they are significantly more expensive than [reg + index] ones.
2058 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2060 PR tree-optimization/29330
2061 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2062 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2063 on newly allocated ddrs.
2064 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2065 to VEC (loop_p, heap) pointer.
2066 (compute_data_dependences_for_loop): Adjust caller.
2067 (free_dependence_relations): Free DDR_LOOP_NEST.
2069 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2070 free DEPENDENCE_RELATIONS and DATAREFS.
2073 * builtins.c (expand_builtin_sync_operation,
2074 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2075 Use convert_to_mode to handle promoted arguments.
2077 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2079 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2081 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2083 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2085 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2087 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2088 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2089 Use <modeconstraint> instead of "r" as operand 1 constraint.
2091 2006-10-06 Olivier Hainque <hainque@adacore.com>
2093 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2094 Don't recurse on the pointed-to type.
2095 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2096 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2097 types with components of variable size.
2099 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2101 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2103 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2105 PR tree-optimization/29290
2106 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2110 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2111 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2114 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2115 the number of vector elements fill the rest with zeros.
2117 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2119 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2120 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2123 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2125 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2126 unnamed pattern into subsi3. Use correct constraints/predicates.
2127 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2128 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2130 2006-10-05 Ira Rosen <irar@il.ibm.com>
2132 * doc/loop.texi: Add data references analysis description.
2134 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2136 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2138 2006-10-04 Richard Henderson <rth@redhat.com>
2139 Jakub Jelinek <jakub@redhat.com>
2141 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2142 * builtin-types.def (BT_WORD): Make unsigned.
2143 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2144 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2145 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2146 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2147 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2148 * cgraph.c (decide_is_variable_needed): Look at force_output.
2149 Recurse for emulated tls.
2150 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2151 checks redundant with decide_is_variable_needed.
2152 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2153 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2155 * expr.c (emutls_var_address): New.
2156 (expand_expr_real_1): Expand emulated tls.
2157 (expand_expr_addr_expr_1): Likewise.
2158 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2159 * output.h (emutls_finish): Declare.
2160 * toplev.c (compile_file): Call it.
2161 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2162 address before wrapping in CONST.
2163 * varasm.c (emutls_htab, emutls_object_type): New.
2164 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2165 (get_emutls_object_name, get_emutls_object_type): New.
2166 (get_emutls_init_templ_addr, emutls_decl): New.
2167 (emutls_common_1, emutls_finish): New.
2168 (assemble_variable): When emulating tls, swap decls; generate
2169 constructor for the emutls objects.
2170 (do_assemble_alias): When emulating tls, swap decl and target name.
2171 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2173 * emutls.c: New file.
2174 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2175 tls_object for real tls.
2177 2006-10-04 Zack Weinberg <zackw@panix.com>
2179 Fix bug in constraint-check generator, reported by Rask Ingemann
2181 * genpreds.c (add_constraint): Don't remove anything from the
2183 (write_tm_constrs_h): Detect whether "op" argument is used, and
2184 mark it ARG_UNUSED if it isn't.
2185 (write_insn_const_int_ok_for_constraint): Skip the part of the
2186 expression that would test whether "op" (which is not available
2187 here) is a CONST_INT.
2189 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2192 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2194 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2196 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2197 current Leopard versions.
2198 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2200 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2202 * doc/install.texi: Fix typos.
2204 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2206 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2207 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2208 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2210 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2212 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2213 arg to be struct mach_header_64* instead.
2215 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2218 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2219 side effects after the outer expression's post side effects.
2221 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2223 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2224 comments to reflect actual behavior and relationship between
2225 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2227 * doc/c-tree.texi (Working with declarations): Fix documentation
2228 of FIELD_DECL likewise.
2230 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2233 * doc/extend.texi: Add used variable attribute description.
2235 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2238 * c.opt (Woverride-init): New.
2239 * c-opts.c (c_common_post_options): Default warn_override_init to
2241 * c-typeck.c (add_pending_init, output_init_element): Warn for
2242 overriding initializers without side effects.
2243 * doc/invoke.texi (-Woverride-init): Document.
2246 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2248 PR rtl-optimization/28096
2249 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2250 assignment has already been used as a destination earlier in the block.
2252 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2254 * builtins.c (expand_builtin_setjmp): Delete.
2255 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2256 <BUILT_IN_SETJMP_SETUP>: New case.
2257 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2258 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2259 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2260 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2261 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2262 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2263 (lower_function_body): Initialize it to false. If it is set to true
2264 at the end of the processing, emit the setjmp dispatcher.
2265 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2266 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2267 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2268 on the rhs of the assignment.
2269 (lower_builtin_setjmp): New function.
2270 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2271 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2272 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2273 to detect calls that can go to non-local labels. Use specific
2274 helper to create the abnormal edges associated with them.
2275 <MODIFY_EXPR>: Likewise.
2276 (make_abnormal_goto_edges): New function extracted from...
2277 (make_goto_expr_edges): ...here. Call it for computed gotos.
2278 (simple_goto_p): Minor tweak.
2279 (tree_can_make_abnormal_goto): New predicate.
2280 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2281 (tree_purge_dead_abnormal_call_edges): New function.
2282 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2283 (tree_purge_dead_abnormal_call_edges): Likewise.
2284 (make_abnormal_goto_edges): Likewise.
2285 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2286 Purge all dead abnormal edges if the call was in the last statement.
2287 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2288 (execute_fixup_cfg): If there are non-local labels in the function,
2289 scan the basic blocks and split them at calls that can go to non-local
2290 labels or add missing abnormal call edges. Write down the CFG in the
2292 (pass_fixup_cfg): Remove TODO_dump_func flag.
2293 * unwind-sjlj.c: Poison setjmp.
2294 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2295 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2296 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2297 (DONT_USE_BUILTIN_SETJMP): Document it.
2299 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2302 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2303 to 1 when __ppc64__ is defined.
2304 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2306 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2308 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2310 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2311 * config/ia64/unwind-hpux.c: Delete.
2313 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2315 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2316 on the element before gimplifying it, instead of punting if it is of
2319 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2321 * doc/loop.texi: New file.
2322 * doc/gccint.texi: Reference loop.texi.
2323 * Makefile.in (loop.texi): Add.
2325 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2327 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2329 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2330 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2332 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2334 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2336 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2338 * doc/install.texi: Document required versions of GMP and MPFR.
2340 2006-09-27 Paul Brook <paul@codesourcery.com>
2343 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2345 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2347 * reload1.c (alter_reg): Require the alignment of the stack slot to
2348 be at least reg_max_ref_width bytes.
2349 (scan_paradoxical_subregs): Record the largest width in
2352 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2356 * tree-nested.c (struct nesting_info): Added static_chain_added.
2357 (convert_call_expr): Set static_chain_added when adding static
2358 chain. Handle OMP_PARALLEL and OMP_SECTION.
2360 2006-09-25 Matthias Klose <doko@debian.org>
2362 * doc/invoke.texi: Add missing full stop.
2364 2006-09-25 Richard Henderson <rth@redhat.com>
2366 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2367 before cgraph_function_flags_ready.
2369 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2370 Adam Nemet <anemet@caviumnetworks.com>
2372 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2373 determine_common_wider_type): New functions.
2374 (get_computation_aff): Use them to simplify arithmetic between
2375 UBASE and CBASE if they are shortened from the same type.
2377 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2380 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2381 -2147483647 - 1 instead of 0x80000000.
2383 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2385 * flags.h (HONOR_NANS): Fix typo in comment.
2387 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2389 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2391 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2395 * tree.c (merge_attributes, attribute_list_contained): If both
2396 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2398 * c-typeck.c (comptypes_internal): Don't consider aggregates
2399 in different TUs as compatible if there one set of attributes is
2400 not a subset of the other type's attributes.
2401 (composite_type): Try harder not to create a new aggregate type.
2403 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2405 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2406 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2407 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2408 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2409 than replicating condition above.
2410 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2412 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2413 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2414 the linker by default.
2416 2006-09-22 Mike Stump <mrs@apple.com>
2418 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2421 2006-09-22 Richard Guenther <rguenther@suse.de>
2424 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2425 sort of stack variables stable.
2427 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2430 * explow.c (force_reg): Set REG_POINTER flag according to
2433 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2435 PR tree-optimization/28888
2436 * tree-if-conv.c (combine_blocks): Rewritten.
2437 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2438 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2440 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2442 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2445 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2447 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2449 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2451 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2453 2006-09-21 Roger Sayle <roger@eyesopen.com>
2456 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2457 dw_fde_current_label, to be the start of the function, i.e. the same
2458 value as dw_fde_begin.
2460 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2462 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2463 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2464 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2465 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2466 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2467 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2468 (abs<mode>2, neg<mode>2): Likewise.
2469 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2470 (*mips_abs_ps): New define_insn.
2472 2006-09-20 Josh Conner <jconner@apple.com>
2475 * calls.c (expand_call): Allow reuse of structure return stack
2478 2006-09-20 Paul Brook <paul@codesourcery.com>
2480 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2483 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2485 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2486 clean up terminology.
2488 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2491 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2492 with tablejumps in them.
2494 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2497 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2498 wrap it into TARGET_EXPR.
2500 2006-09-20 Eric Christopher <echristo@apple.com>
2502 * config/i386/i386.c (x86_fisttp): Remove.
2503 * config/i386/i386.h (x86_fisttp): Ditto.
2504 (TARGET_FISTTP): Ditto.
2506 2006-09-19 Eric Christopher <echristo@apple.com>
2508 * doc/tm.texi (OBJC_JBLEN): Describe.
2509 * config/i386/darwin.h (OBJC_JBLEN): Define.
2510 * config/rs6000/darwin.h: Ditto.
2512 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2514 PR rtl-optimization/21299
2515 * reload1.c (reload): Purge invalid ASMs in the final pass.
2517 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2520 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2521 pointers as legitimate constants.
2523 2006-09-19 Paul Brook <paul@codesourcery.com>
2526 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2528 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2530 PR tree-optimization/28887
2531 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2532 component parts from the reference.
2533 (gather_memory_references_ref): Record the reference without the
2534 nonaddressable component parts.
2536 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2539 * c-opts.c (c_common_handle_option): Ignore the -std options
2540 if the input language is assembly.
2542 2006-09-17 Ira Rosen <irar@il.ibm.com>
2545 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2547 (ptr_ptr_may_alias_p): Likewise.
2548 (record_record_differ_p): New function.
2549 (base_object_differ_p): Call record_record_differ_p.
2551 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2554 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2555 away for the expr argument.
2557 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2560 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2561 before using it for dumping after vectorizing loops.
2563 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2564 Jack Howarth <howarth@bromo.med.uc.edu>
2567 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2568 skip on error_mark_node.
2569 (rs6000_darwin64_record_arg_recurse): Likewise.
2571 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2573 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2574 * doc/rtl.texi: Remove related documentation.
2576 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2578 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2581 2006-09-15 Jim Wilson <wilson@specifix.com>
2583 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2584 Handle symbol offsets same as they are handled in ia64_expand_move
2587 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2589 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2590 Add forgotten parameter to the fprintf call.
2592 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2594 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2596 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2598 * doc/contrib.texi: Add my entry.
2600 2006-09-15 Nick Clifton <nickc@redhat.com>
2602 * doc/md.texi (Processor pipeline description): Fix typo in
2603 example of how to use the absence_set directive and reword the
2604 description to make it slightly easier to read.
2606 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2608 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2609 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2610 expanding the number of iterations.
2611 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2613 * cfgrtl.c (emit_insn_at_entry): New function.
2614 * rtl.h (emit_insn_at_entry): Declare it.
2615 * integrate.c (emit_initial_value_sets): Use it.
2617 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2619 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2621 (struct loop_work and related VEC declarations): Delete.
2622 (bfin_dump_loops): Print out new member bad.
2623 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2624 (bfin_scan_loop): Don't recurse.
2625 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2626 loops. No longer need to update outer loops if the current one is
2627 found bad. Move some validitiy checks to bfin_discover_loop.
2628 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2629 but changed not to check for nesting. Also changed to use the new bad
2631 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2632 time. Use bitmap based test to discover loop nesting.
2634 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2636 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2639 2006-09-14 Richard Guenther <rguenther@suse.de>
2640 Kazu Hirata <kazu@codesourcery.com>
2642 PR middle-end/28884.
2643 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2644 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2645 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2646 with TARGET_FUNCTION_VALUE.
2648 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2651 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2653 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2655 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2658 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2661 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2664 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2666 * basic_block.h (bb_has_eh_pred): Fix comment.
2668 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2670 * flow.c (calculate_global_regs_live): Invalidate eh registers
2671 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2672 (propagate_block): Handle eh registers as if they were set at basic
2674 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2676 * global.c (global_conflicts): Make eh registers to conflict with
2677 pseudos live at basic block begin.
2678 * basic_block.h (bb_has_eh_pred): New function.
2680 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2682 PR rtl-optimization/28982
2683 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2684 index of a PRE_MODIFY or POST_MODIFY address.
2685 * reload1.c (inc_for_reload): Use find_replacement on the original
2686 base and index registers.
2688 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2690 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2691 for -Os. Update __m128 alignment requirement.
2693 2006-09-13 Jan Hubicka <jh@suse.cz>
2695 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2697 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2699 PR rtl-optimization/28243
2700 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2701 the insn to which the note was originally attached.
2703 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2704 Roger Sayle <roger@eyesopen.com>
2706 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2707 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2708 on platforms that don't use dwarf for debug info.
2710 2006-09-12 Jason Merrill <jason@redhat.com>
2713 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2714 hard_frame_pointer_rtx after using it to update the frame pointer.
2716 2006-09-12 Roger Sayle <roger@eyesopen.com>
2718 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2719 (TARGET_ASM_CLOSE_PAREN): Likewise.
2720 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2721 (TARGET_ASM_CLOSE_PAREN): Likewise.
2723 2006-09-12 Roger Sayle <roger@eyesopen.com>
2726 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2727 frame information for frames larger than 512 Kbytes on Tru64 when
2728 using the native assembler.
2730 2006-09-12 Roger Sayle <roger@eyesopen.com>
2734 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2735 and symbols. Instead use the implementation from cse.c's hash_rtx.
2737 2006-09-12 Jan Hubicka <jh@suse.cz>
2739 PR rtl-optimization/28071
2740 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2741 (vect_transform_loop): Likewise.
2742 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2743 (new_loop_vec_info): Likewise.
2744 (destroy_loop_vec_info): Likewise.
2745 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2746 (create_stmt_ann): Likewise.
2747 (create_tree_ann): Rename to ...
2748 (create_tree_common_ann): ... this one; allocate only the common part
2750 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2751 (get_value_handle): Likewise.
2752 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2753 get_tree_common_ann.
2754 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2755 (vinfo_for_stmt): Use stmt annotations.
2756 * tree-flow.h (tree_ann_common_t): New type.
2757 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2758 (tree_ann, get_tree_ann, create_tree_ann): New.
2759 * tree-flow-inline.h (get_function_ann): Do more type checking.
2760 (stmt_ann): Likewise.
2761 (tree_ann): Rename to ...
2762 (tree_common_ann): ... this one; return ony common_ann
2763 (get_tree_ann): Rename to ...
2764 (tree_common_ann): This one; return only common_ann.
2765 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2768 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2770 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2771 with_cpu by default.
2773 * dwarf2out.c (dwarf_file_data): New.
2774 (enum dw_val_class): Add dw_val_class_file.
2775 (struct dw_val_struct): Add val_file.
2776 (file_table): Change to a hash table.
2777 (file_table_emitted): Delete.
2778 (file_table_last_lookup_index): Delete.
2779 (emitcount): Delete.
2780 (last_emitted_file): New.
2781 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2782 (init_file_table): Delete.
2783 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2784 (AT_addr): Add comment.
2788 (print_die): Handle dw_val_class_file.
2789 (print_dwarf_line_table): Update for new file table structure.
2790 (attr_checksum): Do checksum a filename.
2791 (same_dw_val_p, same_attr_p): Do compare a filename.
2792 (size_of_die): Handle dw_val_class_file.
2793 (value_format): Likewise.
2794 (output_die): Likewise. Also, call maybe_emit_file here.
2795 (struct file_info): Constify filenames. Make file_idx a pointer
2796 to a struct dwarf_file_data.
2797 (struct dir_info): Constify directory names. Remove 'used' field.
2798 (struct file_name_acquire_data): New.
2799 (file_name_acquire): New.
2800 (output_file_names): Modify to handle new file data structures.
2801 (add_src_coords_attributes): Use add_AT_file.
2802 (add_call_src_coords_attributes): Likewise.
2803 (dwarf2out_imported_module_or_decl): Likewise.
2804 (gen_subprogram_die): Modify for new file data structures.
2805 (gen_variable_die): Likewise.
2806 (file_table_eq): New.
2807 (file_table_hash): New.
2808 (file_table_last_lookup): New.
2809 (lookup_filename): Rewrite to handle new file data structures.
2810 (maybe_emit_file): Rewrite to handle new file data structures.
2811 (dwarf2out_source_line): Always call lookup_filename and
2813 (dwarf2out_init): Create file_table here.
2814 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2815 (file_table_relative_p): New.
2816 (dwarf2out_finish): Change detection of relative filenames
2817 to work with new file data structures. Move output_line_info call
2818 after debug_info output.
2820 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2825 * config/i386/i386.c (override_options): Always default to 16
2826 byte stack boundary.
2828 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2831 * var-tracking.c (dump_dataflow_set): Start dumping at
2833 (clobber_variable_part): Kill only the variable part in
2834 registers holding it, leaving other variables alone.
2836 2006-09-11 Josh Triplett <josh@freedesktop.org>
2838 * doc/extend.texi (Other Builtins): Actually use the macro
2839 argument in the documentation example for
2840 __builtin_types_compatible_p.
2842 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2844 PR rtl-optimization/28726
2845 * sched-deps.c (sched_analyze_reg): New function extracted from...
2846 (sched_analyze_1): ...here. Call it to analyze references to
2847 registers. Treat again writes to a stack register as writing to the
2849 (sched_analyze_2): ...and here. Call it to analyze references to
2850 registers. Treat again reads of a stack register as reading the
2853 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2854 David Edelsohn <edelsohn@gnu.org>
2857 * config/rs6000/spe.md (frob_df_di): Remove %H.
2858 (frob_di_df): Remove %H. Change evmergelo to mr.
2859 (frob_di_df_2): Remove %H. Change evldd to two loads.
2861 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2863 * doc/cpp.texi: Fix names of charset options.
2865 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2868 * config/i386/i386.c (override_options): Use 128-bit
2869 stack boundary always for 64bits.
2871 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2873 PR rtl-optimization/28636
2874 * combine.c (force_to_mode): Test for side-effects before
2875 substituting by zero.
2876 (simplify_shift_const): Likewise for zero or other constants.
2878 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2881 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2884 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2887 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2888 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2889 returned by mode_for_size, rather than the mode of src itself,
2890 to choose between 32-bit and 64-bit patterns.
2891 (mips_mem_fits_mode_p): New function.
2892 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2893 that the size of the source matches the size of the destination.
2894 (mov_<store>l, mov_<store>r): Likewise.
2896 2006-09-10 Eric Christopher <echristo@apple.com>
2898 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2901 2006-09-09 Eric Christopher <echristo@apple.com>
2904 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2907 2006-09-09 Roger Sayle <roger@eyesopen.com>
2908 Nicolas Setton <setton@adacore.com>
2910 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2912 2006-09-10 Andreas Schwab <schwab@suse.de>
2914 * config/m68k/m68k.md (bungt_rev): New pattern.
2916 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2917 Dale Johannesen <dalej@apple.com>
2920 * regclass.c (struct reg_pref): Update documentation.
2921 (regclass): Set prefclass to NO_REGS if memory is the best option.
2922 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2924 2006-09-08 Eric Christopher <echristo@apple.com>
2926 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2927 * config/t-slibgcc-darwin: Support x86_64 multilib.
2928 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2929 Return 1 for x86_64-darwin.
2930 * config/i386/t-darwin: Add m64 multilib.
2931 (LIB2_SIDITI_CONV_FUNCS): Use.
2932 (LIB2FUNCS_EXTRA): Ditto.
2933 * config/i386/darwin.h: Support x86_64.
2934 * config/i386/i386.c (override_options): Turn on flag_pic
2935 for x86_64-darwin. Disable flag_omit_pointer.
2936 (get_pc_thunk_name): Assert !TARGET_64BIT.
2937 (legitimate_address_p): Disable machopic addressing for
2939 (legitimize_pic_address): Ditto.
2940 (ix86_expand_move): Ditto.
2941 (ix86_expand_call): Ditto.
2942 (machopic_output_stub): Ditto.
2943 * config/darwin.c (machopic_select_section): Support literal16.
2944 (machopic_select_rtx_section): Ditto.
2945 * config/darwin-sections.def: Ditto.
2946 * config/darwin-64.c: New.
2948 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2951 * c-tree.h (struct c_arg_info): Add pending_sizes.
2952 * c-parser.c (c_parser_parms_declarator,
2953 c_parser_parms_list_declarator): Initialize pending_sizes.
2954 * c-decl.c (get_parm_info): Initialize pending_sizes.
2955 (get_parm_info): Set pending_sizes.
2956 (grokdeclarator): Call put_pending_sizes for parameters for
2957 function definition only.
2959 2006-09-07 Jason Merrill <jason@redhat.com>
2962 * varasm.c (output_constant): Only strip actual no-op conversions.
2965 * config/i386/i386.c (override_options): Use 128-bit
2966 stack boundary if -msse.
2968 2006-09-07 Eric Christopher <echristo@apple.com>
2970 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2972 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2975 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2977 * dwarf2out.c: Remove strange characters from comment above
2978 dwarf2out_frame_debug_expr.
2980 2006-09-07 Eric Christopher <echristo@apple.com>
2982 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2983 * config/darwin.h: ... to here.
2985 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2987 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2989 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2990 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2992 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2993 TARGET_PARTIAL_FLAG_REG_STALL.
2994 (*ashldi3_cconly_rex64): Likewise.
2995 (*ashlsi3_cmp): Likewise.
2996 (*ashlsi3_cconly): Likewise.
2997 (*ashlsi3_cmp_zext): Likewise.
2998 (*ashlhi3_cmp): Likewise.
2999 (*ashlhi3_cconly): Likewise.
3000 (*ashlqi3_cmp): Likewise.
3001 (*ashlqi3_cconly): Likewise.
3002 (*ashrdi3_cmp_rex64): Likewise.
3003 (*ashrdi3_cconly_rex64): Likewise.
3004 (*ashrsi3_cmp): Likewise.
3005 (*ashrsi3_cconly): Likewise.
3006 (*ashrsi3_cmp_zext): Likewise.
3007 (*ashrhi3_cmp): Likewise.
3008 (*ashrhi3_cconly): Likewise.
3009 (*ashrqi3_cmp): Likewise.
3010 (*ashrqi3_cconly): Likewise.
3011 (*lshrdi3_cmp_rex64): Likewise.
3012 (*lshrdi3_cconly_rex64): Likewise.
3013 (*lshrsi3_cmp): Likewise.
3014 (*lshrsi3_cconly): Likewise.
3015 (*lshrsi3_cmp_zext): Likewise.
3016 (*lshrhi3_cmp): Likewise.
3017 (*lshrhi3_cconly): Likewise.
3018 (*lshrqi2_cmp): Likewise.
3019 (*lshrqi2_cconly): Likewise.
3021 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3024 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3025 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3026 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3027 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3028 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3029 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3030 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3031 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3032 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3033 implement only CC setting effects of shift instructions.
3035 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3037 * doc/contrib.texi: Add myself.
3039 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3042 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3043 was set by the user.
3045 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3048 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3049 (divsi_inv_m1): Use them.
3050 (UNSPEC_DIV_INV_TABLE): New constant.
3052 2006-09-06 James E Wilson <wilson@specifix.com>
3055 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3056 then call count_or_remove_death_notes.
3058 2006-09-06 Jason Merrill <jason@redhat.com>
3061 * tree-inline.c (copy_result_decl_to_var): New fn.
3062 (declare_return_variable): Use it. Call declare_inline_vars here.
3063 (expand_call_inline): Not here.
3065 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3067 * doc/contrib.texi: Update my entry.
3069 2006-09-06 Nick Clifton <nickc@redhat.com>
3071 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3073 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3076 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3077 (canonicalize_induction_variables): Likewise.
3078 (tree_unroll_loops_completely): Likewise.
3079 (tree_ssa_prefetch_arrays): Likewise.
3080 (remove_empty_loops): Likewise.
3081 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3082 TODO_cleanup_cfg instead of directly calling
3083 cleanup_tree_cfg_loop.
3084 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3086 (tree_unroll_loops_completely): Likewise.
3087 (remove_empty_loops): Likewise.
3088 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3089 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3090 of tree_ssa_unswitch_loops.
3091 (tree_ssa_loop_ivcanon): Use the return value of
3092 canonicalize_induction_variables.
3093 (tree_ssa_empty_loop): Use the return value of
3095 (tree_complete_unroll): Use the return value of
3096 tree_unroll_loops_completely.
3097 (tree_ssa_loop_prefetch): Use the return value of
3098 tree_ssa_prefetch_arrays.
3099 * passes.c (execute_todo): Before Cleanup CFG, set
3100 updating_used_alone and after cleanup CFG, call
3101 recalculate_used_alone.
3103 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3106 * tree-vect-transform.c (vectorizable_condition): Move the check
3107 for the type after the check for simple condition.
3109 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3110 Kaz Kojima <kkojima@gcc.gnu.org>
3113 * mode-switching.c (optimize_mode_switching): Make the destination
3114 block of an abnormal edge have no anticipatable mode. Don't
3115 insert mode switching code at the end of the source block of
3118 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3120 PR rtl-optimization/26847
3121 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3122 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3123 (simplify_plus_minus): Count n_constants while filling ops. Replace
3124 qsort with insertion sort. Before going through the array to simplify
3125 pairs, sort it. Delay early exit until after the first sort, exiting
3126 only if no swaps occurred. Simplify pairs in reversed order, without
3127 special-casing the first iteration. Pack ops after simplifying pairs.
3129 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3131 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3132 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3133 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3134 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3136 2006-09-05 Richard Guenther <rguenther@suse.de>
3138 PR tree-optimization/28900
3139 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3140 compound conditional before creating COND_EXPR condition.
3142 2006-09-05 Richard Guenther <rguenther@suse.de>
3144 PR tree-optimization/28905
3145 * tree-vrp.c (fix_equivalence_set): Manually implement
3146 !value_ranges_intersect_p to also handle symbolic ranges.
3148 2006-09-05 Richard Guenther <rguenther@suse.de>
3151 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3154 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3156 PR rtl-optimization/27616
3157 * cse.c (table_size): New static variable.
3158 (new_basic_block): Initialize it to 0.
3159 (remove_from_table): Decrement it.
3160 (insert): Increment it.
3161 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3162 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3163 fold_rtx_mem_1 if under the cap.
3164 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3165 the lookup of the equivalent expression and test for equality of the
3166 first operand of the equivalent expression before in turn looking up
3167 an equivalent constant for the second operand.
3169 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3172 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3173 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3174 pointer, instead of assuming it is possible to derive the
3175 correct args size from a call insn.
3177 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3180 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3181 (fold_builtin_mempcpy): Rename to...
3182 (fold_builtin_memory_op): ... this. Optimize one element copy
3184 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3186 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3187 (expand_builtin_memcpy, expand_builtin_mempcpy,
3188 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3189 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3190 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3191 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3193 2006-09-01 DJ Delorie <dj@redhat.com>
3195 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3196 (stzx_16): Likewise.
3197 ("stzx_24_<mode>"): Likewise.
3198 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3199 ("cmp<mode>_op"): New.
3200 (cmp<mode>): Change to expander; just save operands.
3202 (b<code>): Change to expander, emit compare here.
3203 (s<code>_op): Change to use split and expander.
3204 (s<code>_24_op): Likewise.
3205 (s<code>_<mode>): New.
3206 (s<code>_<mode>_24): New.
3207 (movqicc_<code>_<mode): New.
3208 (movhicc_<code>_<mode>): New.
3211 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3212 (m32c_pend_compare): New.
3213 (m32c_unpend_compare): New.
3214 (m32c_expand_scc): New.
3215 (m32c_expand_movcc): Emit the compare also.
3216 * config/m32c/predicates.md (mra_nopp_operand): New.
3218 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3219 Richard Guenther <rguenther@suse.de>
3220 Adam Nemet <anemet@caviumnetworks.com>
3223 * builtins.c (get_pointer_alignment): Handle more forms
3224 of base addresses that can be used to derive more precise
3225 information about alignment.
3227 2006-09-01 Jason Merrill <jason@redhat.com>
3230 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3233 * gimplify.c (voidify_wrapper_expr): Handle null type.
3235 2006-09-01 Josh Conner <jconner@apple.com>
3238 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3239 (execute_return_slot_opt): Use it.
3241 2006-08-31 Josh Conner <jconner@apple.com>
3244 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3245 returning aggregates.
3247 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3249 PR tree-optimization/28839
3250 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3251 blocks in that phi arguments appear.
3253 2006-08-31 Roger Sayle <roger@eyesopen.com>
3256 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3257 NULL, otherwise use an advance_loc4 to adjust relative to the
3259 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3260 (dwarf2out_switch_text_section): Reset the current label to avoid
3261 using advance_loc4 over section boundaries.
3263 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3266 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3267 r12 + SYMBOLIC_CONST.
3269 2006-08-30 Richard Guenther <rguenther@suse.de>
3271 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3273 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3275 PR rtl-optimization/27735
3276 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3277 Add new argument to keep track of whether an irreducible region
3278 was affected. All callers changed.
3279 (fix_irreducible_loops): Removed.
3280 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3281 flags were invalidated.
3283 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3285 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3286 instead of SF operands.
3287 (*fop_df_comm_sse): Likewise.
3288 (*fop_df_comm_i387): Likewise.
3289 (*fop_df_1_mixed): Likewise.
3290 (*fop_df_1_sse): Likewise.
3292 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3293 J"orn Rennecke <joern.rennecke@st.com>
3295 PR tree-optimization/17506
3296 * tree-ssa.c (warn_uninit): If warning about a location outside of
3297 the current function, note where the variable was declared.
3299 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3301 PR tree-optimization/28411
3302 * double-int.c (double_int_div): Use double_int_divmod.
3303 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3304 double_int_mod, double_int_smod, double_int_umod): New functions.
3305 * double-int.h (double_int_divmod, double_int_sdivmod,
3306 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3308 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3310 (get_computation_aff, get_computation_cost_at): Handle double_int
3311 return type of constant_multiple_of.
3313 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3316 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3317 an implicit conversion.
3319 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3321 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3323 2006-08-27 Roger Sayle <roger@eyesopen.com>
3325 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3328 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3330 * config/i386/crtfastmath.c: Fix a comment typo.
3332 2006-08-26 Roger Sayle <roger@eyesopen.com>
3334 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3335 temporary visit flags on CASE_LABEL_EXPRs.
3336 * c-common.c (match_case_to_enum): Add function comment. Avoid
3337 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3338 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3339 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3340 a constant, only warn if that constant value isn't handled.
3342 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3345 * input.h (restore_input_file_stack): Declare.
3346 (INPUT_FILE_STACK_BITS): Define.
3347 * toplev.c (fs_p, input_file_stack_history,
3348 input_file_stack_restored, restore_input_file_stack): New.
3349 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3350 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3351 (pop_srcloc): Don't free old state of stack.
3353 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3356 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3357 (PowerPC Type Attributes): New.
3359 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3361 * config/xtensa/xtensa.c (function_arg_boundary): New.
3362 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3364 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3365 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3367 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3370 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3373 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3375 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3376 (verify_local_live_at_start): Likewise.
3378 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3381 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3382 omp_add_variable): Treat sizes as variable whenever not
3385 2006-08-26 Richard Guenther <rguenther@suse.de>
3388 * fold-const.c (fold_binary): Fold temporary to correct
3389 type before constructing new comparison.
3391 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3394 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3395 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3397 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3400 * c-decl.c (start_function): Don't try to process prototype
3401 information from old declaration that isn't a function.
3403 2006-08-25 Jan Hubicka <jh@suse.cz>
3406 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3408 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3411 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3414 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3416 PR tree-optimization/16876
3417 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3418 exit if PARM doesn't match VALUE.
3420 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3422 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3423 literal_prefix directive.
3424 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3425 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3426 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3428 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3431 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3432 predicate to general_operand. Add 0->y and I->r alternatives.
3434 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3436 * doc/tm.texi: Fix a typo.
3437 * predict.c: Fix comment typos.
3439 2006-08-25 Nick Clifton <nickc@redhat.com>
3441 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3442 assertions of "cpu" and "machine".
3444 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3447 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3448 the access through a base which has an alias set of 0 cannot
3451 2006-08-24 Bill Wendling <wendling@apple.com>
3453 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3455 2006-08-24 Jan Hubicka <jh@suse.cz>
3457 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3459 2006-08-24 Jan Hubicka <jh@suse.cz>
3462 * cgraph.c: Fix comments.
3463 (cgraph_varpool_mark_needed_node): Mark only variables not already
3465 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3466 (cgraph_varpool_assembled_nodes_queue): New static variable.
3467 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3468 (cgraph_varpool_output_debug_info): New function.
3469 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3470 * Makefile.in: Add gt-cgraphunit.h
3472 2006-08-24 Jan Hubicka <jh@suse.cz>
3474 * predict.c (probability_reliable_p): New predicate.
3475 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3476 (predict_loops): Do not predict loop exit with less than 2%
3478 * basic-block.h (edge_probability_reliable_p,
3479 br_prob_note_reliable_p): Declare.
3480 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3481 prediction when static predictor is not reliable.
3482 * rs6000.c (output_cbranch): Likewise.
3484 2006-08-23 Stuart Hastings <stuart@apple.com>
3487 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3488 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3490 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3493 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3494 complex values, nor for generic vector values.
3496 2006-08-22 Richard Guenther <rguenther@suse.de>
3499 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3500 parameter. Convert arguments to arithmetic expression to the
3502 (analyze_scalar_evolution_1): Adjust caller.
3504 2006-08-22 Jan Hubicka <jh@suse.cz>
3506 Patch by Paolo Bonzini
3507 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3510 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3512 PR tree-optimization/28003
3513 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3514 before grouping aliases.
3516 2006-08-22 Roger Sayle <roger@eyesopen.com>
3518 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3519 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3521 2006-08-21 Jason Merrill <jason@redhat.com>
3524 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3525 wrapper. Loop to handle nested wrappers.
3526 (gimplify_bind_expr): Remove temp parameter.
3527 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3528 and STATEMENT_LIST on the rhs.
3529 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3530 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3531 (gimplify_target_expr): Remove special BIND_EXPR handling.
3533 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3535 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3538 2006-08-21 Olivier Hainque <hainque@adacore.com>
3540 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3541 Arrange for the temporary captures of components overlapping the lhs
3542 to happen before the lhs is possibly cleared.
3544 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3546 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3547 necessary places to pass the correct "number of registers" values
3550 2006-08-20 Jan Hubicka <jh@suse.cz>
3552 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3553 (create_name_tags): Instead of quadratic checking use hashtable.
3554 * bitmap.h: Include hashtab.h.
3555 (bitmap_hash): Declare.
3556 * bitmap.c (bitmap_hash): New function.
3558 2006-08-20 Jan Hubicka <jh@suse.cz>
3560 PR rtl-optimization/28071
3561 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3563 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3564 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3565 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3566 cgraph_decide_inlining_incrementally): Update use of
3567 cgraph_check_inline_limits.
3568 * cgraph.c (edge_hash, edge_eq): New function.
3569 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3570 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3571 cgraph_remove_node): Maintain call site hash.
3572 * cgraph.h (struct cgraph_node): Add call_site_hash.
3573 (cgraph_set_call_stmt): New function.
3575 2006-08-20 Jan Hubicka <jh@suse.cz>
3577 PR rtl-optimization/28071
3578 * reload1.c (reg_has_output_reload): Turn into regset.
3579 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3580 choose_reload_regs, emit_reload_insns): Update to new
3581 reg_has_output_reload.
3583 2006-08-20 Jan Hubicka <jh@suse.cz>
3586 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3587 function body sizes.
3588 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3590 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3593 * tree.c (handle_dll_attribute): Return early if not a
3594 var or function decl.
3596 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3599 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3600 alignment of SPE vector types.
3602 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3604 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3606 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3609 * cgraph.h (struct cgraph_node): Remove externally_visible
3611 * cgraphunit.c (process_function_and_variable_attributes): Set
3612 local.externally_visible rather than externally_visible.
3615 * c-common.c (handle_externally_visible_attribute): First look
3616 at TREE_CODE and only if it is function or var decl, check for
3617 non-public objects. Don't warn for DECL_EXTERNAL.
3618 * cgraphunit.c (process_function_and_variable_attributes): Warn
3619 if externally_visible attribute is used on non-public object.
3621 2006-08-17 Jan Hubicka <jh@suse.cz>
3623 PR tree-optimization/27865
3624 * reload1.c (forget_marked_reloads): New function.
3625 (forget_old_reloads_1): When data are passed, just mark the registers
3627 (reload_as_needed): Use the new mechanizm.
3629 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3632 * reload.h (reg_equiv_alt_mem_list): New declaration.
3633 * reload1.c (reg_equiv_alt_mem_list): New definition.
3634 (reload): Initialize it and release it.
3635 (delete_output_reload): Use it.
3636 * reload.c (push_reg_equiv_alt_mem): New function.
3637 (find_reloads_toplev): Call it.
3638 (find_reloads_address, find_reloads_address_1): Likewise.
3639 (find_reloads_subreg_address): Likewise.
3641 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3643 PR rtl-optimization/28489
3644 * sched-ebb.c (begin_schedule_ready): Create basic block
3646 (advance_target_bb): Skip empty blocks.
3647 * haifa-sched.c (bb_note): Make global.
3648 * sched-int.h (bb_note): Add prototype.
3650 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3652 PR tree-optimization/27865
3653 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3655 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3656 fold_used_pointer, pointer_used_p): New functions.
3657 (analyze_scalar_evolution_1): Use fold_used_pointer.
3658 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3659 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3662 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3665 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3666 or the INTEGER_CST. Fail on a CALL_EXPR.
3667 (fold_offsetof): Pass new argument to fold_offsetof_1.
3668 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3669 operand into an INDIRECT_REF.
3670 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3672 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3674 PR gcov/profile/26570
3675 * value-prof.c (static_values): Removed.
3676 (tree_find_values_to_profile): Do not set static_values.
3677 (find_values_to_profile): Do not free static_values.
3678 * profile.c (instrument_values): Do not free the values.
3679 (branch_prob): Free the values.
3681 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3683 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3685 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3688 * c-typeck.c (build_component_ref): Combine qualifiers of
3689 structure or union and field.
3691 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3693 PR rtl-optimization/28071
3694 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3695 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3696 * tree-into-ssa.c (struct dom_dfsnum): New.
3697 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3699 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3700 compute_global_livein.
3701 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3702 in phi nodes in the correct blocks.
3704 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3706 PR tree-optimization/28364
3707 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3709 (fold_affine_expr): New function.
3710 (may_eliminate_iv): Use fold_affine_expr.
3712 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3715 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3718 2006-08-16 Mike Stump <mrs@apple.com>
3720 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3721 * doc/cppopts.texi (-MD): Likewise.
3723 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3726 * c-common.c (handle_weak_attribute): Ignore and warn if
3727 not a FUNCTION_ or VAR_DECL.
3729 2006-07-15 Mike Stump <mrs@apple.com>
3732 * c-parser.c (c_parser_typeof_specifier): Don't use
3733 c_finish_expr_stmt, open code desired semantics instead.
3735 2006-08-15 Nick Clifton <nickc@redhat.com>
3737 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3738 fragment to tmake_file only if threads are enabled.
3739 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3740 * config/i386/t-gthr-win32: New file. ... here.
3742 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3745 * c-parser.c (c_parser_compound_statement_nostart): Reset
3746 parser->error after each statement.
3748 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3751 * omp-low.c (lower_omp_parallel): Convert t to
3752 receiver_decl's type.
3753 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3754 source before comparison.
3757 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3758 to itype in assignment to oldival2.
3760 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3764 * c-typeck.c (build_compound_expr): If the second expression
3765 is an error mark, then just return an error mark instead of
3766 creating a COMPOUND_EXPR.
3768 2006-07-14 Mike Stump <mrs@apple.com>
3770 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3772 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3774 * c-decl.c, var-tracking.c: Fix comment typos.
3776 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3778 PR rtl-optimization/28634
3779 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3780 for floating-point modes unless flag_unsafe_math_optimizations.
3782 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3783 Andrew Pinski <pinskia@physics.uc.edu>
3786 * tree.c (build_array_type): Unify array types with
3787 unspecified index_type.
3788 * c-decl.c (grokdeclarator): Make sure we do not modify a
3789 unified incomplete array type.
3790 * c-typeck.c (store_init_value): Create distinct type before
3791 filling in the index type in an initializer from a compound
3794 * c-decl.c (grokdeclarator): Remove code where we copy the
3797 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3799 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3800 into account for TODO_dump_cgraph.
3801 (TODO_update_ssa_no_phi): Likewise.
3802 (TODO_update_ssa_full_phi): Likewise.
3803 (TODO_update_ssa_only_virtuals): Likewise.
3804 (TODO_remove_unused_locals): Likewise.
3805 (TODO_set_props): Likewise.
3806 (TODO_update_stmt_usage): Likewise.
3808 2006-08-13 Dirk Mueller <dmueller@suse.de>
3810 * c-common.c (strict_aliasing_warning): Fix formatting.
3812 2006-08-13 Matthias Klose <doko@debian.org>
3814 * doc/invoke.texi: Fix spelling errors.
3816 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3818 PR rtl-optimization/23454
3819 * reorg.c (relax_delay_slots): Update comment.
3821 2006-08-11 Richard Guenther <rguenther@suse.de>
3824 * simplify-rtx.c (simplify_const_relational_operation):
3825 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3828 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3830 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3831 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3833 2006-08-10 Paul Brook <paul@codesourcery.com>
3835 * final.c (final_scan_insn): Clear current_insn_predicate before
3836 outputting inline asm.
3838 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3840 PR tree-optimization/26197
3841 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3842 get_ref_base_and_extent and overlap_subvar to add only relevant
3843 subvars as may-aliases.
3844 (add_may_alias_for_new_tag): New function, factored out of
3846 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3847 with additional argument.
3848 * tree-flow.h (new_type_alias): Takes additional argument.
3850 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3852 * gcov.c (no_data_file): New flag.
3853 (read_count_file): Set it if data file not present. Assume counts
3855 (output_lines): Don't name the data file, if there wasn't one.
3857 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3859 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3860 (rs6000_generate_compare): Tweak comments.
3861 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3863 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3865 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3866 (var_debug_decl): New function.
3867 (var_reg_set): Follow debug decl link. Add location even if
3868 reg is already known to hold some other variable.
3869 (var_mem_set): Follow debug decl link.
3870 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3871 decl link. Delete other known locations of the variable part
3873 (var_reg_delete, var_mem_delete): Delete other known locations
3874 of the variable part if requested.
3875 (same_variable_part_p): New function.
3876 (add_stores): Select MO_COPY when appropriate.
3877 (vt_initialize): Handle it.
3878 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3879 known locations for MO_SET and MO_CLOBBER.
3880 (find_variable_location_part): New function.
3881 (set_variable_part, delete_variable_part): Use it.
3882 (clobber_variable_part): New function.
3883 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3886 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3888 PR tree-optimization/26969
3889 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3890 with an empty list of PHIs.
3892 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3896 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3899 2006-08-06 Andreas Schwab <schwab@suse.de>
3901 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3902 string. Whitespace and comment fixup.
3904 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3907 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3911 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3914 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3916 2006-08-04 Jan Hubicka <jh@suse.cz>
3920 * reload.c (push_reload): Patch out the mismatching instruction;
3922 (find_reload): Bail out if the instruction was patched out.
3924 2006-08-04 Jan Hubicka <jh@suse.cz>
3926 PR tree-optimization/24888
3927 * tree-inline.c (expand_call_inline): Do not re-record variables.
3928 (declare_inline_vars): Add variable to unexpanded_var_list.
3930 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3931 Roger Sayle <roger@eyesopen.com>
3933 PR rtl-optimization/26244
3934 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3935 inner_const are negative or greater than or equal to the bitsize of
3936 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3937 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3938 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3939 CONST0_RTX (mode) when the new shift count is greater than or equal to
3940 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3943 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3945 * tree-cfg.c: Fix a comment typo.
3947 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3950 * varasm.c (output_constant): Give the front end another chance to
3951 expand constants, after stripping NOPs.
3953 2006-08-03 Jan Hubicka <jh@suse.cz>
3955 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3958 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3960 PR tree-optimization/27770
3961 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3962 declaration removed (moved to tree-flow.h).
3963 (vect_can_force_dr_alignment_p): Likewise.
3964 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3965 (moved from tree-vectorizer.h).
3966 (vect_can_force_dr_alignment_p): Likewise.
3967 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3968 from outside the vectorizer - in particular from cgraph stage.
3969 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3970 the alignment of global arrays when -fsection-anchors is enabled.
3971 * cgraphunit.c (cgraph_increase_alignment): New function.
3972 (cgraph_optimize): Call cgraph_increase_alignment.
3974 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3977 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3978 not reload a SPE symbol_ref into a lo_sum address.
3980 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3983 * dwarf2out.c (prune_unused_types_prune): Move call to
3984 prune_unused_types_update_strings to cover the parent DIE also.
3986 2006-08-02 Jan Hubicka <jh@suse.cz>
3988 PR gcov/profile/28480
3989 * tree-cfg.c (change_bb_for_stmt): New function.
3990 (tree_merge_blocks, tree_split_blocks): Use it.
3992 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3998 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3999 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4000 (cgraph_optimize): Likewise.
4002 2006-08-01 Stuart Hastings <stuart@apple.com>
4004 * rtl.h (UINTVAL) New.
4005 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4006 * testsuite/gcc.dg/20060801-1.c: New.
4008 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4011 * c-typeck.c (build_external_type): Mark used enum types.
4012 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4014 (gen_subprogram_die): Whitespace fix.
4016 2006-08-01 Jan Hubicka <jh@suse.cz>
4018 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4019 bitmap when not needed.
4020 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4023 2006-08-01 Dirk Mueller <dmueller@suse.de>
4025 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4027 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4029 * Makefile.in: Revert part of previous patch:
4030 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4033 2006-07-30 Eric Christopher <echristo@apple.com>
4036 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4037 (PowerPC Variable Attributes): New section.
4039 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4041 PR target/28126 (partial fix)
4042 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4044 2006-07-28 Jan Hubicka <jh@suse.cz>
4046 PR rtl-optimization/28071
4047 * cfgrtl.c (rtl_delete_block): Free regsets.
4048 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4050 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4052 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4053 and variables used in dependencies.
4055 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4057 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4058 %fs for -mcmodel=kernel.
4059 (stack_tls_protect_test_di): Likewise.
4061 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4063 * Makefile.in: Use mkinstalldirs.
4065 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4068 * opts-common.c (prune_options): Skip joined switches.
4070 2006-07-27 Jan Hubicka <jh@suse.cz>
4072 PR rtl-optimization/28071
4073 * cselib.c (cselib_process_insn): Don't remove useless values too
4074 often for very large hashtables.
4076 2006-07-27 Jan Hubicka <jh@suse.cz>
4078 PR rtl-optimization/28071
4079 * global.c (greg_obstack): New obstack.
4080 (allocate_bb_info): Use it.
4081 (free_bb_info): Likewise.
4082 (modify_reg_pav): Likewise.
4084 2006-07-27 Roger Sayle <roger@eyesopen.com>
4086 * builtins.c (fold_fixed_mathfn): When long and long long are the
4087 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4088 functions to their lceil*, lfloor*, lround* and lrint* forms.
4090 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4093 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4095 (rev_branch_insn): Likewise.
4097 2006-07-27 Jan Hubicka <jh@suse.cz>
4099 PR rtl-optimization/28071
4100 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4101 (reg_set_in_bb, max_reg_computed): New static variables.
4102 (regmove_optimize): Free the new array.
4103 (fixup_match_1): Update call of reg_is_remote_constant_p.
4105 2006-07-26 Jan Hubicka <jh@suse.cz>
4107 PR tree-optimization/27882
4108 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4110 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4112 (cgraph_analyze_compilation_unit): Likewise.
4113 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4114 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4115 (cgraph_early_inlinine): Make order garbage collected.
4116 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4118 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4120 * dbxout.c (output_types_sort): Add a comment.
4121 (output_used_types): Free the VEC.
4123 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4125 * function.c (reorder_fix_fragments): Delete.
4126 (reorder_blocks): Don't call it.
4127 (reorder_blocks_1): Put all subblocks under the origin block.
4129 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4131 PR rtl-optimization/27907
4132 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4135 2006-07-25 Roger Sayle <roger@eyesopen.com>
4138 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4139 bar(x) check that bar's result type can represent all the values of T.
4141 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4143 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4145 2006-07-25 Nick Clifton <nickc@redhat.com>
4147 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4148 size_lookup[] array.
4149 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4150 (ggc_pch_count_object): Likewise.
4151 (ggc_pch_alloc_object): Likewise.
4152 (ggc_pch_write_object): Likewise.
4153 (init_ggc): Do not attempt to initialize entries in the
4154 size_lookup[] array for objects whose size is greater than than
4155 the length of the array.
4157 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4159 * dbxout.c (output_used_types_helper): Push queued types
4161 (output_types_sort): New.
4162 (output_used_types): Collect used types on a VEC and sort them
4165 2006-07-24 Richard Guenther <rguenther@suse.de>
4168 * cgraph.c (cgraph_remove_node): Do not check if dumps
4170 * cgraphunit.c (cgraph_optimize): Likewise.
4172 2006-07-24 Jan Hubicka <jh@suse.cz>
4174 PR rtl-optimization/28071
4175 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4176 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4177 splitting before first stmt.
4179 2006-07-24 Jan Hubicka <jh@suse.cz>
4181 PR rtl-optimization/28071
4182 * ipa-inline.c (update_caller_keys): Remove edges that
4183 are no longer inline candidates.
4185 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4188 * dbxout.c (output_used_types_helper, output_used_types): New.
4189 (dbxout_symbol): Call output_used_types.
4191 2006-07-23 Jan Hubicka <jh@suse.cz>
4195 * cgraph.c (cgraph_varpool_nodes): Export.
4196 (decide_is_variable_needed): Ignored "used" attribute in
4197 unit-at-a-time mode.
4198 * cgraph.h (cgraph_varpool_nodes): Declare.
4199 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4200 unit-at-a-time mode.
4202 2006-07-23 Roger Sayle <roger@eyesopen.com>
4205 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4206 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4207 the __gthrw form of thr_keycreate.
4208 (__gthread_key_delete): Silence the unused argument warning.
4210 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4213 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4214 Cache the last found '\0' marker to avoid quadratic behavior.
4216 2006-07-23 Jan Hubicka <jh@suse.cz>
4218 * i386.md (subsi_3_zext): Fix output template.
4220 2006-07-21 Mike Stump <mrs@apple.com>
4222 * doc/invoke.texi (C++ Dialect Options): Note that
4223 -fvisibility-inlines-hidden doesn't affect explicitly
4224 instantiationed inline methods.
4226 2006-07-20 Roger Sayle <roger@eyesopen.com>
4228 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4229 if the target assembler is GNU binutils' gas.
4230 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4231 whether to pass GNU gas or native as command line options.
4233 2006-07-20 Jason Merrill <jason@redhat.com>
4235 * tree.c (remove_attribute): New fn.
4236 * tree.h: Declare it.
4238 2006-07-20 Paul Brook <paul@codesourcery.com>
4241 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4242 they are invalidated by this instruction.
4244 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4247 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4249 2006-07-20 Eric Christopher <echristo@apple.com>
4252 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4254 2006-07-19 Eric Christopher <echristo@apple.com>
4256 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4257 Rewrite dependencies for libgcc_s.1.dylib.
4259 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4261 * except.c (duplicate_eh_regions_1): Clear next_peer.
4263 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4265 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4266 -mlongcall does not guarantee all calls will be long.
4267 * doc/extend.texi (long_call/short_call): Document that longcall
4268 does not guarantee a long call will be used.
4269 (longcall/shortcall): Likewise.
4271 2006-07-18 Roger Sayle <roger@eyesopen.com>
4274 * expmed.c (expand_shift): Additionally check that the shift_cost
4275 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4276 before implementing a LSHIFT_EXPR as a sequence of additions.
4277 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4278 middle-end that DImode shifts need to be synthesized by expand.
4280 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4283 * tree-ssa-operands.c (access_can_touch_variable): Update
4285 Return true if ALIAS is .GLOBAL_VAR.
4287 2006-07-18 David Daney <ddaney@avtrex.com>
4289 * gcc.c (display_help): Fix typo in help text.
4291 2006-07-18 Olivier Hainque <hainque@adacore.com>
4293 * tree.h (categorize_ctor_elements): Adjust prototype and add
4294 descriptive comment, both in accordance with the interface change
4296 * varasm.c (constructor_static_from_elts_p): New function.
4297 Whether a constructor node is a valid static constant initializer
4298 if all its elements are.
4299 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4300 * output.h: Declare it.
4301 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4302 is a valid constant initializer instead of computing the number of
4303 non-constant elements. Use constructor_static_from_elts_p for this
4304 purpose. Replace the head comment with an indication that this is a
4305 helper for categorize_ctor_elements.
4306 (categorize_ctor_elements): Same interface change as for the _1
4307 helper. Former head comment from this helper moved here, adjusted to
4308 account for the interface changes.
4309 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4310 (all_zeros_p): Likewise.
4311 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4312 static versions of the constructor from the categorize_ctor_elements
4313 return value instead of the formerly computed number of non-constant
4316 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4318 * configure: Regenerate.
4319 * Makefile.in (build_libsubdir): New configure substitution
4320 (build_libobjdir): New variable.
4321 (BUILD_LIBIBERTY): Use it.
4323 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4326 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4328 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4331 * c-common.c (handle_weakref_attribute): Ignore attribute in
4332 the same conditions the alias attribute is ignored.
4334 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4336 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4337 (dbxout_begin_prologue): Increment scope_labelno.
4339 2006-07-17 Richard Henderson <rth@redhat.com>
4342 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4345 2006-07-17 Roger Sayle <roger@eyesopen.com>
4346 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4348 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4349 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4350 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4351 functions such as sbrk, write, etc.. Add function prototypes.
4352 Convert function declarations from K&R to ISO C. Cast pointers
4353 to "long" and "unsigned long" instead of "int" and "unsigned int".
4354 Convert tokens following #endif into comments.
4356 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4358 * invoke.texi: Remove mention of f77; Reformat table for
4359 inline parameter options correctly; mention that -malign-double
4360 is default on x86-64 targets.
4362 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4364 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4365 (convert_affine_scev, chrec_convert_aggressive): Use
4366 avoid_arithmetics_in_type_p. Do not check for the subtypes
4369 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4372 * optabs.c (expand_doubleword_shift): Wrap the call to
4373 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4375 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4378 * optabs.c (expand_binop): Pass next_methods rather than methods
4379 to expand_doubleword_shift.
4381 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4384 * tree.h (dump_addr): Declare.
4385 * print-tree.c (dump_addr): New function.
4386 (print_node_brief, print_node): Use it.
4387 * print-rtl.c (print_rtx): Likewise.
4388 * common.opt (-fdump-noaddr): New option.
4389 * doc/invoke.texi (-fdump-noaddr): Document.
4390 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4391 (ve_info_hash): Likewise.
4393 2006-07-13 Andrew Haley <aph@redhat.com>
4395 PR tree-optimization/19505
4396 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4397 edge leaving this block, make sure that the destination of this
4398 block has only one predecessor.
4400 2006-07-17 Richard Guenther <rguenther@suse.de>
4402 PR tree-optimization/28238
4403 * tree-inline.c (copy_bb): Check if we produced valid
4404 gimple copying and substituting a stmt. If not, gimplify
4407 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4409 * optabs.c (maybe_encapsulate_block): New function extracted from...
4410 (emit_libcall_block): ...here. Invoke it on the block of insns to
4411 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4412 (emit_no_conflict_block): Likewise.
4414 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4416 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4418 2006-07-15 Roger Sayle <roger@eyesopen.com>
4420 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4421 a new NOP_EXPR case of the switch statement.
4423 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4426 * stor-layout.c (place_field): Take the bit field with
4427 an excessive size into account in the ms-bitfiled case.
4430 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4431 the previous bit field.
4433 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4436 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4438 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4440 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4441 signal frames correctly even when the signal was installed with
4444 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4446 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4447 (dbxout_function_end): Use local label LFBB. Remove hook
4449 (dbxout_source_line): Use local label LFBB.
4450 (dbxout_block): Likewise.
4451 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4452 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4453 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4454 and DBX_OUTPUT_NFUN.
4456 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4458 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4460 2006-07-13 Jan Hubicka <jh@suse.cz>
4462 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4464 * output.h (align_variable): Declare.
4465 * varasm.c (align_variable): Export.
4466 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4467 when basic block changed.
4469 2006-07-13 Nick Clifton <nickc@redhat.com>
4471 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4472 walking the LOG_LINKS chain.
4474 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4476 * doc/invoke.texi (C++ Dialect Options): Explain difference
4477 between -fvisibility-inlines-hidden and setting hidden
4478 visibility explicitly.
4480 2006-07-12 Eric Christopher <echristo@apple.com>
4482 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4483 (stmp-lipo): Depend on libgcc.a.
4485 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4487 * tree.c: Fix a comment typo.
4489 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4491 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4493 (umulhisi3_r): Likewise.
4495 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4498 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4499 x < 19, vs wchar_t support.
4501 2006-07-12 Nick Clifton <nickc@redhat.com>
4503 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4504 instead of -isa=sh4.
4506 2006-07-12 Mike Stump <mrs@apple.com>
4508 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4510 2006-07-10 Eric Christopher <echristo@apple.com>
4512 * config/t-slibgcc-darwin: Rewrite.
4514 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4517 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4520 2006-07-08 Matthias Klose <doko@debian.org>
4522 * doc/sourcebuild.texi: Fix typo.
4524 2006-07-07 Mike Stump <mrs@apple.com>
4526 * toplev.c (process_options): Don't give -ffunction-sections may
4527 affect debugging warning for Mach-O.
4529 2006-07-07 James E Wilson <wilson@specifix.com>
4531 * config/mips/mips.md (cpu): Add sb1a.
4532 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4533 addition to sb1. Adjust comments to clarify SB-1A differences from
4535 (ir_sb1a_load): New. Modify bypasses to use it.
4536 (ir_sb1a_simple_alu): Likewise.
4537 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4538 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4539 (mips_issue_rate): Add PROCESSOR_SB1A.
4540 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4541 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4542 (TARGET_SB1): Add PROCESSOR_SB1A check.
4543 (TUNE_SB1): Likewise.
4545 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4546 * config/mips/mips.c (mips_store_data_bypass_p): New.
4547 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4548 store_data_bypass_p.
4550 2006-07-08 Paul Brook <paul@codesourcery.com>
4553 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4555 2006-07-07 Richard Guenther <rguenther@suse.de>
4558 * tree.h (build_one_cst): Declare.
4559 * tree.c (build_one_cst): New function.
4560 * tree-ssa-math-opts.c (get_constant_one): Remove.
4561 (insert_reciprocals): Use build_one_cst.
4562 * fold-const.c (fold_plusminus_mult): Likewise.
4564 2006-07-07 Roger Sayle <roger@eyesopen.com>
4566 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4567 * cfgloopanal.c (dump_graph): Likewise.
4568 * dojump.c (discard_pending_stack_adjust): Likewise.
4569 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4571 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4572 * function.c (finalize_block_changes): Likewise.
4573 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4574 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4575 * rtl.c (dump_rtx_statistics): Likewise.
4576 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4578 * varray.c (dump_varray_statistics): Likewise.
4579 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4580 decode_decimal64, encode_decimal128, decode_decimal128,
4581 decimal_real_to_decimal): Likewise.
4583 2006-07-07 Richard Guenther <rguenther@suse.de>
4585 PR tree-optimization/28187
4586 * tree-vrp.c (vrp_operand_equal_p): New function.
4587 (vrp_bitmap_equal_p): Likewise.
4588 (update_value_range): Use them to compare old and new
4591 2006-07-06 Roger Sayle <roger@eyesopen.com>
4593 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4594 a default case to switch statement to silence compiler warnings.
4596 2006-07-06 Roger Sayle <roger@eyesopen.com>
4599 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4600 the configured assembler supports the x87's ffreep mnemonic.
4601 * configure: Regenerate.
4602 * config.in: Regenerate.
4604 * config/i386/i386.c (output_387_ffreep): New function.
4605 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4606 (output_387_reg_move): Likewise.
4608 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4610 Port to hosts whose 'sort' and 'tail' implementations
4611 treat operands with leading '+' as file names, as POSIX
4612 has required since 2001. However, make sure the code still
4613 works on pre-POSIX hosts.
4614 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4615 which says you should use "tail -c +N" rather than "tail +Nc".
4616 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4618 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4620 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4623 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4626 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4627 PRE_{INC,DEC} of TFmode.
4629 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4630 Alan Modra <amodra@bigpond.net.au>
4633 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4636 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4639 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4640 Remove duplicate gtu.
4642 2006-07-05 Jason Merrill <jason@redhat.com>
4646 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4647 * c-common.c (handle_packed_attribute): So don't copy it here.
4648 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4650 2006-07-05 Mike Stump <mrs@apple.com>
4652 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4654 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4657 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4659 2006-07-05 Richard Guenther <rguenther@suse.de>
4662 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4663 TARGET_SSE2 targets if using SSE math.
4664 (*absdf2_1): Likewise.
4666 2006-07-05 Richard Guenther <rguenther@suse.de>
4668 PR tree-optimization/28162
4669 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4670 make sure to convert the operands to the correct type.
4672 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4674 PR tree-optimization/28218
4676 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4677 to calculate and free the dominator information.
4679 2006-07-04 Peter O'Gorman <peter@pogma.com>
4681 * mklibgcc.in: chmod 644 before ranlib during install.
4683 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4684 J"orn Rennecke <joern.rennecke@st.com>
4686 * configure.ac (.eh_frame data check): Use diff -b.
4688 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4691 * Makefile.in (BUILD_RTL): Add build/vec.o.
4692 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4693 (build/genextract): Delete.
4694 (build/genautomata): Likewise.
4696 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4699 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4700 128-bit IBM long doubles for ABI_V4.
4702 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4704 * tree.c (range_in_array_bounds_p): New predicate.
4705 * tree.h (range_in_array_bounds_p): Declare it.
4706 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4707 return a less conservative answer.
4708 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4709 and flag 'is_group'.
4710 (IS_ELEMENT_FOR_GROUP): New macro.
4711 (FOR_EACH_ACTUAL_CHILD): Likewise.
4712 (next_child_for_group): New helper function.
4713 (can_completely_scalarize_p): Take into account groups.
4714 (sra_hash_tree): Handle RANGE_EXPR.
4715 (sra_elt_eq): Likewise.
4716 (lookup_element): Be prepared for handling groups.
4717 (is_valid_const_index): Delete.
4718 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4719 instead of is_valid_const_index.
4720 <ARRAY_RANGE_REF>: New case.
4721 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4722 is_valid_const_index.
4723 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4724 (scan_dump): Dump info for groups too.
4725 (decide_instantiation_1): Likewise.
4726 (decide_block_copy): Assert that the element is not a group.
4727 Propagate decision to groups.
4728 (generate_one_element_ref): Handle RANGE_EXPR.
4729 (mark_no_warning): Iterate over actual childs.
4730 (generate_copy_inout): Likewise.
4731 (generate_element_copy): Likewise.
4732 (generate_element_zero): Likewise.
4733 (generate_element_init_1): Likewise.
4734 (dump_sra_elt_name): Handle RANGE_EXPR.
4736 2006-07-03 Roger Sayle <roger@eyesopen.com>
4738 PR tree-optimization/26251
4739 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4740 (thread_block): When optimizing for size refuse to thread jumps
4741 that would require duplication of blocks other than redirection
4744 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4746 * configure.ac: Fix thinko in previous check-in.
4747 * configure: Regenerate.
4749 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4752 * configure.ac (for lang...): Simplify nesting of conditionals.
4753 Test subdir_requires for non-enabled languages. Move processing
4754 of lang_opt_files and lang_tree_fiels below that test.
4755 * configure: Regenerate.
4756 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4758 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4760 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4762 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4764 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4767 2006-06-29 Jason Merrill <jason@redhat.com>
4774 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4775 * c-common.c (c_determine_visibility): Handle it here.
4776 * c-decl.c (finish_decl): Call c_determine_visibility for
4778 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4780 * varasm.c (default_assemble_visibility): Likewise.
4781 * c-common.c (handle_visibility_attribute): Complain about trying
4782 to give visibility to an already defined class, or trying to change
4783 declared visibility. Always attach the attribute.
4788 * attribs.c (decl_attributes): Ignore type-in-place attributes
4789 once the type has been defined.
4791 2006-06-29 Roger Sayle <roger@eyesopen.com>
4794 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4795 to indicate the cpplib has issued an error message for us.
4797 2006-06-29 Asher Langton <langton2@llnl.gov>
4800 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4801 insert a label at the end of an function under Mach-O.
4803 2006-06-29 Eric Christopher <echristo@apple.com>
4804 Evan Cheng <evan.cheng@apple.com>
4806 * predicates.md (vector_all_ones_operand): New.
4807 (nonimmediate_or_sse_const_operand): Ditto.
4808 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4809 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4810 (standard_sse_mode_p): Ditto.
4811 (standard_sse_constant_p): Add case for -1 vector.
4812 (ix86_expand_vector_move): Try to use.
4813 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4814 Call standard_sse_constant_opcode.
4815 (*movv4sf_internal): Ditto.
4816 (*movv2df_internal): Ditto.
4818 2006-06-29 Roger Sayle <roger@eyesopen.com>
4820 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4821 of XEXP to extract the operands of a MATCH_CODE rtx.
4823 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4825 * tree.c (tree_size): Do not waste tail padding in
4826 struct tree_string and make the size be the same as
4827 build_string will generate.
4829 2006-06-28 Jason Merrill <jason@redhat.com>
4832 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4833 may_aliases already in the tag's annotations to the bitmap.
4835 2006-06-28 Roger Sayle <roger@eyesopen.com>
4837 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4839 2006-06-28 Roger Sayle <roger@eyesopen.com>
4841 * genpreds.c (generate_switch_p): New function.
4842 (add_mode_tests): Push the new mode test down inside an AND expr
4843 if this allows the switch-suitable MATCH_CODE to be near the root.
4844 (write_match_code_switch): New function to write a MATCH_CODE as
4846 (write_predicate_stmts): New function to write a predicate RTX
4847 expression as a sequence of statements.
4848 (write_one_predicate_function): Use write_predicate_stmts.
4849 (write_tm_constrs_h): Likewise.
4851 2006-06-26 Fred Fish <fnf@specifix.com>
4853 * config/mips/t-sb1: New file.
4854 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4857 2006-06-26 DJ Delorie <dj@redhat.com>
4859 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4861 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4862 Jayant Sonar <jayants@kpitcummins.com>
4863 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4865 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4866 (subsi3, subsi3_1, subsi3_2): New.
4867 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4868 * config/m32c/mov.md (SI mov peephole): New.
4869 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4870 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4872 2006-06-26 Olivier Hainque <hainque@adacore.com>
4874 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4875 a CALL_EXPR target function declaration.
4877 2006-06-26 Richard Guenther <rguenther@suse.de>
4879 * tree.c (build_string): Do not waste tail padding in
4882 2006-06-26 Richard Guenther <rguenther@suse.de>
4884 * ggc-page.c (init_ggc): Add missing element to size_lookup
4888 2006-06-23 Richard Guenther <rguenther@suse.de>
4890 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4891 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4892 alignment requests instead. Add verification code.
4893 Add struct tree_function_decl and struct tree_binfo size to
4894 extra_order_size_table. Add missing element to size_lookup
4897 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4900 * fold-const.c (const_binop): Be prepared for self returning zero.
4901 Simplify code handling complex values.
4903 2006-06-24 Olivier Hainque <hainque@adacore.com>
4905 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4906 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4909 2006-06-24 Olivier Hainque <hainque@adacore.com>
4911 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4912 ARRAY_REF, so have the callback called for the low bound expression.
4914 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4916 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4917 * c-typeck.c (c_common_type): Disallow operations on decimal float
4918 types and other float types.
4919 * convert.c (convert_to_real): Don't ignore conversions involving
4920 decimal float types.
4922 2006-06-23 Olivier Hainque <hainque@adacore.com>
4924 * tree.c (max_int_size_in_bytes): New function, inspired from
4925 code in function.c:assign_temp.
4926 * tree.h (max_int_size_in_bytes): Declare.
4927 * function.c (assign_temp): Use it.
4928 * gimplify.c (create_tmp_var): Relax the assertions on the type
4929 properties, not mandating constant size any more.
4930 (force_constant_size): New static function.
4931 (gimple_add_tmp_var): Use it, forcing variable size to a
4932 constant upper bound if it is not constant on entry.
4934 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4937 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4938 for initialization and setting of one_only flag to ...
4939 (i386_pe_encode_section_info): ...here.
4940 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4941 Recheck that the symbol has not been defined.
4943 2006-06-23 Richard Guenther <rguenther@suse.de>
4945 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4946 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4947 alignment requests instead. Add verification code.
4948 Add struct tree_function_decl and struct tree_binfo size to
4949 extra_order_size_table. Add missing element to size_lookup
4952 2006-06-22 Roger Sayle <roger@eyesopen.com>
4953 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4956 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4957 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4959 2006-06-23 Ben Elliston <bje@au.ibm.com>
4961 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4962 negate dn -- manipulate it directly.
4964 2006-06-22 Roger Sayle <roger@eyesopen.com>
4965 Steven Bosscher <stevenb.gcc@gmail.com>
4968 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4969 generated by gen_move_insn to add REG_LABEL notes if necessary.
4971 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4973 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4974 (leaf_entry): Remove use of MIN_ESA.
4976 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4978 PR rtl-optimization/28121
4979 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4982 2006-06-21 DJ Delorie <dj@redhat.com>
4984 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4986 (mulhisi3_r): Likewise.
4988 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4991 * coverage.c (coverage_counter_alloc): Leave the index type
4993 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4996 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4998 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4999 section from the "Options for Code Generation Conventions".
5001 2006-06-21 Richard Henderson <rth@redhat.com>
5005 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5007 (global_symbolic_operand): Allow weak symbols, even if local_p.
5009 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5011 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5012 (find_interesting_uses_address): Punt if above function returns true.
5014 2006-06-21 Richard Guenther <rguenther@suse.de>
5016 * configure: Regenerated.
5018 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5020 * config/mips/mips.c (function_arg): Where one part of a
5021 complex argument is in registers and the other part in the stack,
5022 return a REG not a PARALLEL.
5024 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5026 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5027 when cross-compiling. Do not substitute libstdcxx_incdir.
5028 * configure: Regenerated.
5030 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5032 * varasm.c (mergeable_string_section): Check for embedded NULs and
5033 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5034 rather than TREE_STRING_LENGTH bytes.
5036 2006-06-21 Richard Guenther <rguenther@suse.de>
5038 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5039 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5042 2006-06-21 Richrad Guenther <rguenther@suse.de>
5044 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5045 Limit iteration over the dominators.
5047 2006-06-20 Roger Sayle <roger@eyesopen.com>
5049 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5050 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5052 2006-06-20 Richard Guenther <rguenther@suse.de>
5053 Michael Matz <matz@suse.de>
5055 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5057 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5058 * et-forest.h (et_free_pools): Prototype new function.
5059 * et-forest.c (et_free_tree_force): Free parent occurrence.
5060 (et_free_pools): New function.
5061 * dominance.c (free_dominance_info): Free et-forest alloc
5064 2006-06-20 Roger Sayle <roger@eyesopen.com>
5066 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5067 integer modes, attempt to directly construct an integer constant.
5069 * fold-const.c (native_encode_vector): Determine the size of each
5070 element from the vector type instead of the first vector element.
5072 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5073 if all of its elements/components are constant.
5074 (build_constructor_from_list): Likewise.
5076 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5078 PR tree-optimization/27331
5079 * tree-data-ref.c (free_data_ref): New function.
5080 (create_data_ref): Fail if the data reference has unknown access
5082 (free_data_refs): Use free_data_ref.
5084 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5087 * tree-inline.c (setup_one_parameter): Strip useless
5088 type conversion before adding it to the IR.
5089 (declare_return_variable): Likewise.
5091 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5094 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5096 2006-06-19 Mike Stump <mrs@apple.com>
5098 * tree.c (variably_modified_type_p): VM arguments don't make the
5101 2006-06-19 Richard Guenther <rguenther@suse.de>
5103 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5104 type conversions after folding.
5106 2006-06-19 Richard Guenther <rguenther@suse.de>
5108 * ggc-page.c (extra_order_size_tab): Add entries with
5109 size of struct function and basic_block.
5110 (size_lookup): Extend to cover sizes up to 511.
5111 (ggc_alloc_stat): Adjust user.
5112 (ggc_pch_count_object): Likewise.
5113 (ggc_pch_alloc_object): Likewise.
5114 (ggc_pch_write_object): Likewise.
5116 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5118 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5119 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5122 2006-06-19 Denis Chertykov <denisc@overta.ru>
5124 * config/avr/libgcc.S : Correct my wrong previous commit.
5126 2006-06-19 Roger Sayle <roger@eyesopen.com>
5129 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5130 have stripped a SUBREG from the shift count, so we may need to
5131 convert_to_mode back to the type's mode before calling make_tree.
5132 Use new_amount instead of amount to avoid expanding a tree twice.
5134 2006-06-19 Richard Guenther <rguenther@suse.de>
5137 * fold-const.c (operand_equal_p): Check if the argument types
5138 have the same precision before stripping NOPs.
5140 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5142 Fix PR tree-optimization/27341
5143 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5145 * tree-complex.c (pass_lower_complex): Update SMT usage.
5147 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5149 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5150 Add a new alternative to the constraint strings. Add move of
5151 operand 1 to 3 to the splitter definition.
5152 ("doloop_si_long"): Second contraint alternative removed.
5154 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5156 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5157 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5159 (AVR_HAVE_MOVW) Define.
5160 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5161 (ASM_SPEC): Add avr25.
5162 (LINK_SPEC): Add avr25.
5163 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5164 (base_arch_s): Add new member 'have_movw_lpmx'.
5165 (avr_arch_types): Init 'have_movw_lpmx'.
5166 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5167 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5168 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5169 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5170 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5172 (avr_file_start): Do not output '.arh' derective.
5173 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5174 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5175 * config/avr/avr.md (mcu_enhanced): Delete.
5176 (mcu_have_movw): Define.
5177 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5178 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5179 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5180 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5181 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5182 attiny861 and at86rf401 devices.
5184 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5186 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5189 2006-06-17 Karl Berry <karl@gnu.org>
5191 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5192 doc/gccint.texi, doc/install.texi (@dircategory): Use
5193 "Software development" instead of "Programming", following
5194 the Free Software Directory.
5196 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5198 * config/i386/i386.c (legitimate_tls_address)
5199 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5200 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5201 (*tls_dynamic_gnu2_combine_64): Likewise.
5203 2006-06-16 Richard Guenther <rguenther@suse.de>
5206 * fold-const.c (negate_expr_p): Do not introduce undefined
5207 overflow in negating INTEGER_CSTs.
5208 (fold_negate_expr): Rename from negate_expr. Revert last
5209 change for folding BIT_NOT_EXPR. Change semantics to
5210 return NULL_TREE for non-simplified negations. Do not
5211 strip type conversions and unify type handling.
5212 (negate_expr): New function, wrap around fold_negate_expr
5213 but ensure building a tree always. Strip type conversions
5214 here, fold to result type.
5215 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5217 2006-06-16 Roger Sayle <roger@eyesopen.com>
5220 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5221 that (would) return their results in stack registers.
5223 2006-06-16 Michael Matz <matz@suse.de>
5224 Richard Guenther <rguenther@suse.de>
5226 * fold-const.c (fold_truthop): Only return new tree node if
5227 we canonicalized something.
5229 2006-06-16 Richard Guenther <rguenther@suse.de>
5231 * function.h (enum function_frequency): Move declaration
5232 out of struct function.
5233 (struct function): Move bool fields and the enum to the bitfield
5234 section. Reorder elements to avoid padding. Remove unused
5235 fields left over from the RTL inliner removal.
5236 * function.c (free_after_compilation): Do not zero removed fields.
5237 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5238 (ipa-type-escape.o): Likewise.
5240 2006-06-16 Richard Guenther <rguenther@suse.de>
5242 * cgraph.h (struct cgraph_local_info): Turn bool elements
5244 (struct cgraph_node): Likewise.
5245 (struct cgraph_varpool_node): Likewise.
5247 2006-06-15 Richard Guenther <rguenther@suse.de>
5249 * fold-const.c (fold_truth_not_expr): Rename from
5250 invert_truthvalue. Give it fold_* semantics to avoid
5252 (invert_truthvalue): New function. Wrapper around
5253 fold_truth_not_expr.
5254 (optimize_minmax_comparison): Avoid creating garbage.
5255 (fold_unary): Use fold_truth_not_expr for folding
5257 (fold_ternary): Replace uses of invert_truthvalue with
5258 fold_truth_not_expr where applicable.
5259 * tree.h (fold_truth_not_expr): Prototype.
5261 2006-06-16 Richard Guenther <rguenther@suse.de>
5263 PR tree-optimization/27781
5264 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5265 * ipa-pure-const.c (target.h): Include.
5266 (analyze_function): Do not analyze functions that do not
5269 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5272 * tree-dfa.c (referenced_vars_dup_list): Remove.
5273 (find_referenced_vars): Remove assert.
5274 (referenced_var_check_and_insert): Replace dup list with assert.
5275 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5276 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5278 2006-06-15 Richard Guenther <rguenther@suse.de>
5280 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5281 extra unused identifiers if not dumping.
5282 (create_variable_info_for): Likewise.
5284 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5286 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5287 (derive_constant_upper_bound): Derive more precise upper bound in
5288 common cases. Return type changed to double_int.
5289 (record_estimate): Reflect the changed return type of
5290 derive_constant_upper_bound.
5291 * double-int.c (double_int_zext, double_int_sext): Fix.
5293 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5295 * configure.ac (CFLAGS): Get them from the toplevel or from the
5296 configure invocation.
5297 * configure: Regenerate.
5298 * Makefile.in (CFLAGS): Substitute value provided by configure.
5300 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5303 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5304 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5305 rather than calling add_stmt on it.
5306 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5308 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5311 * reload1.c (reload): Remove registers returned by update_eliminables
5312 from used_spill_regs.
5314 2006-06-13 DJ Delorie <dj@redhat.com>
5316 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5318 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5320 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5321 html__strip_dir, html__mkdir_p. Enhance install-html target.
5322 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5323 * configure: Regenerate.
5325 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5327 * fold-const.c (fold_cond_expr_with_comparison): Check for
5328 Objective-C++ as language in deciding COND_EXPR transformation.
5330 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5333 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5334 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5335 * config/sh/lib1funcs.h (SL, SL1): Define.
5336 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5337 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5338 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5339 (OBJS_Os_4_200): New variable.
5340 ($(T)libgcc-Os-4-200.a): Use it.
5341 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5342 when dividing 1 and/or by 0.
5344 2006-06-13 Roger Sayle <roger@eyesopen.com>
5346 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5347 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5348 * configure: Regenerate.
5350 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5352 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5353 for real instruction.
5355 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5358 * haifa-sched.c (check_cfg): Handle special case.
5360 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5363 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5364 Add debug_info parameter. Chain the vars to the BLOCK instead
5365 of the BIND_EXPR if debug info are requested for them.
5366 (pop_gimplify_context): Adjust for above change.
5367 (gimple_add_tmp_var): Likewise.
5368 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5370 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5371 (convert_local_reference): Likewise.
5372 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5373 (finalize_nesting_tree_1): Request that debug info be emitted
5374 for debug_var_chain.
5376 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5378 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5379 for PR target/27863.
5381 2006-06-13 Richard Guenther <rguenther@suse.de>
5384 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5386 2006-06-13 Richard Guenther <rguenther@suse.de>
5388 PR tree-optimization/27830
5389 * tree-inline.c (copy_body_r): For copying the operand
5390 of an ADDR_EXPR make sure to fold &* afterwards.
5392 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5394 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5395 lvalues in the fb_none case with side-effects.
5397 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5399 * tree-flow.h: Remove the prototype for
5400 compute_phi_arg_on_exit.
5401 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5402 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5405 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5407 * builtins.c (expand_builtin_return_addr): Only use
5408 frame_pointer_rtx when count == 0 and we are expanding
5409 __builtin_return_address.
5411 2006-06-12 Fred Fish <fnf@specifix.com>
5413 * config/mips/mips.c (mips_file_start): Create special section
5414 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5416 2006-06-11 Eric Christopher <echristo@apple.com>
5419 * stor-layout.c (place_field): Remove check for
5420 remaining_in_alignment when aligning at the end of a run.
5422 2006-06-11 Eric Christopher <echristo@apple.com>
5425 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5428 2006-06-11 Roger Sayle <roger@eyesopen.com>
5431 Revert incorrect fix for PR target/27158
5432 2006-05-08 Roger Sayle <roger@eyesopen.com>
5433 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5434 of a reg_equiv_constant if the result is a legitimate constant.
5436 2006-06-11 Roger Sayle <roger@eyesopen.com>
5439 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5440 extract a CONST_VECTOR element and interpret it as an integer.
5441 (vspltis_constant): Use const_vector_elt_as_int instead of the
5442 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5443 * config/rs6000/predicates.md (easy_vector_const): Consider
5444 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5446 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5449 * stor-layout.c (update_alignment_for_field): Don't add extra
5450 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5453 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5455 * config/mips/t-rtems: Add EL/EB multilib variants.
5457 2006-06-09 Mike Stump <mrs@apple.com>
5459 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5461 2006-06-09 David Daney <ddaney@avtrex.com>
5463 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5465 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5467 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5469 2006-06-09 Richard Guenther <rguenther@suse.de>
5471 PR tree-optimization/26998
5472 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5473 of signed types, only TYPE_MIN_VALUE is special, but for both,
5474 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5475 in this case, as is -fwrapv.
5477 2006-06-08 Mike Stump <mrs@apple.com>
5480 * config/darwin.c (darwin_asm_output_anchor): Disable
5481 -fsection-anchors on darwin for now.
5482 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5483 * rs6000/rs6000.c (optimization_options): Likewise.
5485 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5488 * config/i386/i386.c (classify_argument): Skip fields with invalid
5491 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5493 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5494 (cse_insn): Likewise for the stack_pointer_rtx.
5496 2006-06-08 Roger Sayle <roger@eyesopen.com>
5498 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5499 conditions from floating point comparisons.
5501 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5504 * expmed.c (struct alg_hash_entry): Fix type of field T
5505 to match synth_mult argument.
5506 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5508 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5511 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5514 2006-06-08 Richard Guenther <rguenther@suse.de>
5517 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5518 only, if overflow is defined and not trapping.
5519 (negate_expr): Likewise.
5521 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5523 PR tree-optimization/27872
5524 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5525 flag on the new exit edge of the unrolled loop.
5527 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5529 PR rtl-optimization/26449
5530 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5532 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5535 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5536 referenced_variables with matching DECL_UID's.
5537 (find_referenced_vars): Make sure duplicate list is empty to start.
5538 (referenced_var_p): Remove.
5539 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5540 Check if var is in the list, and add if needed. Update the duplicate
5541 list if a different var is in the list with the same DECL_UID.
5542 (add_referenced_var): Call routine to check and insert.
5543 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5544 * tree-flow.h (referenced_vars_dup_list): External declaration.
5546 2006-06-07 Fred Fish <fnf@specifix.com>
5548 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5551 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5554 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5555 the imaginary and real parts of a clobbered register.
5556 Emit insn to set the imaginary part.
5558 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5560 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5561 in lieu of unwind-dw2-fde.c.
5563 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5565 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5567 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5570 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5571 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5572 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5573 V4SImode temporaries and operations instead.
5575 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5577 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5580 2006-06-06 Mike Stump <mrs@apple.com>
5582 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5583 installing during build.
5585 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5587 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5589 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5590 * config/ia64/ia64.c (params.h): New header.
5591 (ia64_optimization_options): New function to adjust parameters.
5592 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5593 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5594 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5596 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5598 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5600 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5603 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5605 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5606 Victor Kaplansky <victork@il.ibm.com>
5608 PR tree-optimization/26360
5609 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5612 2006-06-04 Roger Sayle <roger@eyesopen.com>
5613 Andrew Pinski <pinskia@physics.uc.edu>
5616 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5617 for LABEL_DECL before calling DECL_WEAK.
5620 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5621 LABEL_DECL and PARM_DECL.
5623 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5627 * c-decl.c (grokdeclarator): Disallow variably modified types at
5628 file scope. Avoid marking shared array type of constant size as
5631 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5634 * c-common.c (fold_offsetof_1): Handle static members.
5636 2006-06-04 Eric Christopher <echristo@apple.com>
5638 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5639 (debug_rli): Output value for remaining_in_alignment.
5640 (update_alignment_for_field): Unconditionalize
5641 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5642 extra alignment code.
5643 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5644 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5645 * tree.h (record_layout_info_s): Remove prev_packed.
5646 * doc/extend.texi (ms_struct): Add documentation of format.
5648 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5650 * tree.h: Declare folding_initializer.
5651 * builtins.c (fold_builtin_constant_p): Give definite answer
5652 if folding inside an initializer.
5653 * fold-const.c: Define folding_initializer.
5654 (START_FOLD_INIT): Save and then set folding_initializer.
5655 (END_FOLD_INIT): Restore folding_initializer.
5657 2006-06-04 Richard Guenther <rguenther@suse.de>
5659 PR tree-optimization/27039
5660 * fold-const.c (fold_comparison): Handle pointer comparison
5661 again for all comparison codes. Compare offsets in signed
5663 (fold_binary): Move code from here.
5665 2006-06-03 Roger Sayle <roger@eyesopen.com>
5668 * config/i386/i386.c (construct_container): Split static issued_error
5669 flag into issued_sse_arg_error, issued_sse_ret_error and
5670 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5671 requires the use of x87 registers and the user explicitly
5672 specified the -mno-80387 command line option.
5674 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5676 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5677 HAVE_DECL_SIGALTSTACK.
5679 (segv_handler): Use MC_FLD.
5680 * configure.ac: Check for a sigaltstack declaration.
5681 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5682 * configure: Regenerate.
5683 * config.in: Regenerate.
5685 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5688 * Makefile.in (stmp-fixinc): Fix typo.
5690 2006-06-02 Roger Sayle <roger@eyesopen.com>
5692 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5693 are type correct. Clean-up.
5694 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5695 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5697 2006-06-01 DJ Delorie <dj@redhat.com>
5699 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5700 shift, as we've disabled the "switch" insn that needs it.
5702 2006-06-01 Per Bothner <bothner@bothner.com>
5704 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5705 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5706 * c-ppoutput.c (cb_define): Don't increment line 0.
5708 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5710 * doc/invoke.texi: Add cpu_type power6.
5711 * config.gcc: Add cpu_type power6.
5712 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5713 to power5+ with Altivec.
5714 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5715 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5717 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5719 * config/avr/avr.h (SET_ASM_OP): Define.
5721 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5723 * config/bfin/bfin.c: Fix comment typos.
5725 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5728 * doc/install.texi: Document --enable-bootstrap and
5729 --disable-bootstrap.
5731 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5733 * doc/install.texi: Document that InfoZIP can replace jar.
5735 2006-05-31 Roger Sayle <roger@eyesopen.com>
5737 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5738 isn't available, directly generate the simpler x87 patterns without
5739 the (use (const_int 0)).
5740 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5741 implementation isn't available.
5742 (*negdf2_1): Likewise.
5743 (*negxf2_1): XF mode negation is always done using the x87.
5744 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5746 2006-05-31 Roger Sayle <roger@eyesopen.com>
5748 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5749 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5751 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5753 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5755 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5756 * config/bfin/bfin.c (basic-block.h): Include.
5757 (struct machine_function): New.
5758 (bfin_init_machine_status): New.
5759 (override_options): Initialize init_machine_status.
5760 (bfin_hardware_loop): New.
5761 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5762 (DEF_VEC_P (loop_info)): New.
5763 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5764 (struct loop_info): New.
5765 (loop_info): New typedef.
5766 (struct loop_work): New.
5767 (loop_work): New typedef.
5768 (DEF_VEC_O (loop_work)): New.
5769 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5770 (bfin_dump_loops): New.
5771 (bfin_bb_in_loop): New.
5772 (bfin_scan_loop): New.
5773 (bfin_optimize_loop): New.
5774 (bfin_reorg_loops): New.
5775 (bfin_reorg): Use bfin_reorg_loops.
5776 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5778 (I_REGNO_P): Simplify.
5779 (DP_REGNO_P, DPREG_P): New macros.
5780 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5781 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5782 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5783 Add LT_REGS, LC_REGS, LB_REGS.
5784 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5786 (REGNO_REG_CLASS): Deal with loop registers.
5787 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5789 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5790 New constants for loop registers.
5791 (UNSPEC_LSETUP_END): New.
5792 (seq_insns): New define_attr. Set it for appropriate insns.
5793 (movsi_insn): Add alternatives for move from/to
5794 loop count registers.
5795 (doloop_end): New define_expand.
5796 (loop_end): New define_insn.
5797 (define_split for bad doloop_end): New.
5798 (lsetup_with_autoinit): New define_insn.
5799 (lsetup_without_autoinit): New define_insn.
5800 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5801 * config/bfin/predicates.md (lc_register_operand): New.
5802 (lt_register_operand): New.
5803 (lb_register_operand): New.
5804 (nondp_register_operand): New.
5805 (nondp_reg_or_memory_operand): New.
5806 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5808 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5810 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5811 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5813 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5815 * Makefile.in (CATALOGS): Add po/ prefix.
5816 * configure: Regenerated.
5818 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5821 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5822 a shift operand before calling shift_op. Avoid redundant call of
5825 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5826 DJ Delorie <dj@redhat.com>
5828 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5829 we're inserting is a singlt-bit constant.
5831 2006-05-30 Roger Sayle <roger@eyesopen.com>
5833 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5834 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5836 2006-05-30 Roger Sayle <roger@eyesopen.com>
5838 PR tree-optimization/23452
5839 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5840 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5841 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5842 complex values and with -ffast-math for FP complex values.
5844 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5846 * c-common.h: Remove the prototype for yyparse.
5847 * rtl.h: Remove the prototype for init_loop.
5849 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5851 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5854 2006-05-30 Roger Sayle <roger@eyesopen.com>
5856 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5858 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5859 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5861 2006-05-30 Dirk Mueller <dmueller@suse.de>
5864 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5865 for CONSTANT_CLASS_P expresisons.
5867 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5870 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5872 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5874 PR tree-optimization/27779
5875 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5876 initial_condition instead of CHREC_LEFT.
5878 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5880 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5881 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5882 Make prototypes ISO C90.
5884 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5885 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5887 * see.c (see_analyze_one_def): Correct check.
5888 (see_get_extension_data): Check if extension is parallel.
5889 (see_get_extension_reg): Likewise.
5891 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5894 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5895 into register for (code == GTU).
5897 2006-05-29 Roger Sayle <roger@eyesopen.com>
5899 PR tree-optimization/24964
5900 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5901 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5902 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5903 abs(x)*abs(x) as x*x for scalar floating point modes.
5905 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5908 * lambda-code.c (perfect_nestify): Don't copy statements
5909 in the inner loop: move them to the inner loop header.
5911 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5914 * c-tree.texi: Document OpenMP directives and clauses.
5916 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5918 * varasm.c (globalize_decl): Fix indentation.
5920 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5923 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5924 pass_fre, pass_store_ccp, pass_copy_prop,
5925 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5926 pass_return_slot, pass_object_size, pass_lim,
5927 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5928 pass_loop_prefetch and pass_stdarg.
5930 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5932 * config/bfin/bfin.opt (mfdpic): New option.
5933 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5934 (EXTRA_MULTILIB_PARTS): Likewise.
5935 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5936 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5938 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5939 (CRT_CALL_STATIC_FUNCTION): New.
5940 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5942 (CRT_CALL_STATIC_FUNCTION): New.
5943 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5945 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5946 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5947 (initialize_trampoline): Changed to handle FD-PIC code generation.
5948 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5949 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5950 (override_options): Disallow -mid-shared-library -mfdpic combination.
5951 Can't do unaligned ops if FD-PIC.
5952 Turn off flag_pic if trying to generate non-id-shared-library
5953 non-fdpic code, since it's not supported.
5954 (bfin_assemble_integer): New function.
5955 (TARGET_ASM_INTEGER): Define.
5956 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5958 * config/bfin/crtn.s: Restore them.
5959 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5961 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5962 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5963 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5964 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5965 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5967 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5968 FDPIC_REGS and FDPIC_FPTR_REGS.
5969 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5970 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5971 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5972 (load_funcdescsi): New pattern.
5973 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5974 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5975 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5977 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5979 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5982 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5984 * tree-flow.h: Remove the prototype for add_type_alias.
5985 * tree-ssa-alias.c (add_type_alias): Remove.
5987 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5989 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5990 config/fr30/fr30.md, config/i386/i386-interix.h,
5991 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5992 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5993 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5994 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5995 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5996 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5997 Follow spelling conventions.
5998 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5999 Follow spelling conventions.
6001 2006-05-27 Richard Guenther <rguenther@suse.de>
6004 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6005 to produce a constant of value 1 of generic type.
6007 2006-05-27 Dirk Mueller <dmueller@suse.de>
6009 * cgraphunit.c (decide_is_function_needed): Fix wrong
6012 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6014 PR rtl-optimization/27661
6015 * reload.c (find_reloads): When reloading a VOIDmode constant
6016 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6017 use Pmode as mode of the reload register.
6019 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6021 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6022 is enabled at -O and above.
6024 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6027 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6030 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6033 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6034 for anonymous variables explicitly declared by front ends.
6036 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6038 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6039 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6040 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6041 ref-all pointers, run a finalization pass for them.
6042 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6043 (finalize_ref_all_pointers): New function.
6044 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6045 regular pointer type to a ref-all pointer type.
6046 (get_tmt_for): Return the special memory tag for ref-all pointers.
6048 2006-05-25 Richard Guenther <rguenther@suse.de>
6051 * fold-const.c (fold_binary): Do not look at the stripped
6052 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6054 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6056 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6057 for LT and GT if the computed range is effectively empty.
6059 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6062 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6063 mips_quad_format formats instead of ieee_single_format,
6064 ieee_double_format and ieee_quad_format formats, respectively.
6066 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6068 PR tree-optimization/27639
6069 PR tree-optimization/26719
6070 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6071 call to scev_probably_wraps_p.
6072 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6073 used_in_pointer_arithmetic_p, convert_step): Removed.
6074 (nowrap_type_p): New function.
6075 (scev_probably_wraps_p): Rewritten.
6076 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6077 chrec_convert if chrec_convert_aggressive might have been used.
6078 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6079 scev_direction): New functions.
6080 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6081 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6082 instead of convert_step.
6083 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6084 (convert_step): Declaration removed.
6085 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6087 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6089 * df-core.c: Added to header comments.
6090 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6091 df_ur_bb_info, df_urec_bb_info): Added comments.
6092 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6093 urec, ri problems): Fixed header comments.
6094 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6095 code from df_rd_transfer_function.
6097 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6099 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6100 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6101 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6103 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6105 * expr.c (undefined_operand_subword_p): New.
6106 (emit_move_multi_word): Do not generate move from undefined bits
6107 of a paradoxical subreg.
6109 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6111 PR rtl-optimization/27736
6112 * combine.c (replaced_rhs_value): New variable.
6113 (combine_instructions): Set it.
6114 (distribute_notes): When distributing a note in replaced_rhs_insn,
6115 check whether the value was used in replaced_rhs_value.
6117 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6120 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6121 add_referenced_var instead of add_referenced_tmp_var.
6122 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6123 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6125 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6126 tree_optimize_tail_calls_1): Use add_referenced_var.
6127 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6128 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6129 Use add_referenced_var.
6130 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6131 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6132 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6133 Use add_referenced_var.
6134 * tree-dfa.c (struct walk_state): Remove.
6135 (find_referenced_vars): Remove walk state and vars_found hash table.
6136 (make_rename_temp): Use add_referenced_var.
6137 (find_vars_r): Pass less parameters to add_referenced_var.
6138 (referenced_var_p): New. Is var in referenced_var hash table.
6139 (referenced_var_insert): Assert var isn't already in hash table.
6140 (add_referenced_var): Don't need walk_state parameter. Add var if it
6141 isn't already in the hash table.
6142 (add_referenced_tmp_var): Remove.
6143 (find_new_referenced_vars_1): Use add_referenced_var.
6144 * tree-ssa-pre.c (create_expression_by_pieces,
6145 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6146 Use add_referenced_var.
6147 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6148 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6149 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6151 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6152 vect_create_data_ref_ptr, vect_create_destination_var,
6153 vect_init_vector, vect_build_loop_niters,
6154 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6155 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6156 Use add_referenced_var.
6157 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6158 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6159 (add_referenced_var): Add prototype.
6160 * tree-ssa-structalias.c (get_constraint_for,
6161 intra_create_variable_infos): Use add_referenced_var.
6163 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6165 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6166 big-endian paradoxical subregs.
6167 * var-tracking.c (struct micro_operation_def): Document that,
6168 for modify micro operations, insn is the subsequent instruction.
6169 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6170 (var_reg_set, var_mem_set): ... new functions.
6171 (add_stores): Record subsequent insn.
6172 (compute_bb_dataflow): Use new functions for MO_USE.
6173 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6174 notes after the insn, and modify notes before the insn known
6175 to be the subsequent one.
6176 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6178 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6181 * config/i386/i386.c (ix86_expand_builtin): Use
6182 gen_sse3_monitor64 for TARGET_64BIT.
6184 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6186 PR rtl-optimization/26375
6187 PR rtl-optimization/26855
6188 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6190 (df_ru_bb_local_compute): Reversed statements and removed bogus
6191 comment explaining why they should be in wrong order.
6192 (df_ru_dump, df_rd_dump): Enhanced debug info.
6193 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6195 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6196 reaching uses and fixed space problem.
6198 2006-05-23 Jan Hubicka <jh@suse.cz>
6200 * cgraphunit.c (decide_is_function_needed): Also nested functions
6201 and functions declared inline can be optimized out at -O0.
6203 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6205 * doc/install.texi (Configuration): Remove reference to CrossGCC
6209 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6212 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6213 ix86_compare_emitted is non-NULL.
6215 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6218 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6221 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6223 PR rtl-optimization/25514
6224 * combine.c (replaced_rhs_insn): New variable.
6225 (combine_instructions): Set replaced_rhs_insn when trying to replace
6226 a SET_SRC with a REG_EQUAL note.
6227 (distribute_notes): Use replaced_rhs_insn when determining the live
6228 range of a REG_DEAD register.
6230 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6231 Anatoly Sokolov <aesok@post.ru>
6233 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6234 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6235 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6236 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6237 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6238 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6239 at90usb647, at90usb1286 and at90usb1287 devices.
6240 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6241 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6243 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6245 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6247 2006-05-22 Richard Guenther <rguenther@suse.de>
6250 2006-01-31 Richard Guenther <rguenther@suse.de>
6251 Paolo Bonzini <bonzini@gnu.org>
6253 * doc/install.texi (--disable-libgcc-math): Document.
6255 2006-05-22 Richard Guenther <rguenther@suse.de>
6258 2006-01-31 Richard Guenther <rguenther@suse.de>
6260 * doc/invoke.texi (-msselibm): Document.
6261 * target.h (expand_library_builtin): New target hook.
6262 * builtins.c (expand_builtin): Use expand_library_builtin.
6263 (default_expand_library_builtin): New function.
6264 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6265 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6266 (link_gcc_math_spec): Declare.
6267 (static_specs): Add link_gcc_math_spec.
6268 * expr.h (default_expand_library_builtin): Declare.
6269 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6270 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6271 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6272 * config/i386/i386.opt (msselibm): New target option.
6273 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6274 (ix86_init_sse_abi_builtins): New function.
6275 (ix86_expand_library_builtin): Likewise.
6276 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6277 (override_options): Handle error conditions wrt -msselibm.
6278 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6279 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6280 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6283 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6286 * c-common.c (self_promoting_args_p): Skip erroneous args.
6289 * c-decl.c (finish_struct): Skip erroneous fields.
6291 2006-05-22 Nick Clifton <nickc@redhat.com>
6293 * config/cris/cris.opt (march): Remove VarExists attribute.
6294 (max-stackframe=): Likewise.
6296 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6298 * doc/rtl.texi: Fix a typo.
6299 * see.c: Fix comment typos.
6301 * tree-ssa-structalias.h (alias_info): Remove num_references.
6303 2006-05-21 Mike Stump <mrs@apple.com>
6305 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6307 (darwin_pragma_options): Use BAD instead.
6308 (darwin_pragma_unused): Likewise.
6309 (darwin_pragma_ms_struct): Likewise.
6311 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6313 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6315 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6317 PR rtl-optimization/27671
6318 * simplify-rtx.c (simplify_relational_operation_1): Fix
6319 simplifications of (eq/ne (xor x y) y) and
6320 (eq/ne (xor x y) x).
6322 PR tree-optimization/26622.
6323 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6326 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6328 * tree-cfg.c: Prune whitespace.
6329 (debug_tree_cfg): Point to correct header containing the
6332 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6335 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6337 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6340 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6341 or sorry count is non zero.
6343 2006-05-20 Andreas Schwab <schwab@suse.de>
6345 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6347 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6348 Kenneth Zadeck <zadeck@naturalbridge.com>
6350 PR rtl-optimization/26855
6352 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6354 (df_scan_alloc): Added code to properly handle multiword hard
6355 registers and add all_blocks parameter.
6356 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6357 code to properly handle multiword hard registers.
6358 (df_rescan_blocks): Added code to remove deleted blocks from
6360 (df_ref_create_structure, df_ref_record): Added code to properly
6362 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6363 and set DF_REF_PARTIAL.
6364 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6365 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6366 (df_scan_add_problem): Added flags parameter.
6367 (df_ref_create_structure): Changed switching structure.
6368 (df_bb_refs_record): Fixed case where duplicate artificial refs
6369 were created. Changed location of flags.
6370 (df_record_entry_block_defs): Added code to make stack pointer
6371 live in entry block. Refined cases where frame pointer is needed.
6372 Changed location of flags.
6373 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6374 (df_set_state): Removed function.
6375 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6376 df_insn_create_insn_record, df_insn_refs_delete,
6377 df_ref_create_structure): Formatting changes.
6378 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6379 df_delete_basic_block): New function.
6380 (df_init): Changed location of flags.
6381 (df_add_problem): Added flags parameter and the way flags are
6383 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6384 debug_df_chain): Improved debugging output.
6385 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6386 (df_refs_chain_dump): Removed df parameter.
6387 (df_iterative_dataflow): Added consistency check.
6388 (df_prune_to_subcfg): Made public.
6389 (df_analyze_problem): Added blocks_to_init parameter and made
6391 (df_ref_record, df_bb_refs_record, df_mark_reg,
6392 df_record_exit_block_uses): Whitespace changes.
6393 (df_dump): Whitespace changes.
6394 * df.h: Some reordering to remove forward references.
6395 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6396 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6397 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6398 (dataflow.flags): New field.
6399 (df.flag): Deleted field.
6400 (df_alloc_function): Added additional bitmap parameter.
6401 (df_dependent_problem_function): New type.
6402 (df_problem.changeable_flags): New field.
6403 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6404 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6405 (df_mw_hardreg): New struct.
6406 (DF_INSN_UID_MWS): New macro.
6407 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6409 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6410 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6411 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6412 (df_set_state): Removed function.
6413 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6414 * df-problems.c (df_chain_dump): Removed df parameter.
6415 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6416 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6418 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6419 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6420 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6421 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6422 DF_REF_MUST_CLOBBER cases.
6423 (df_ru_bb_local_compute_process_def,
6424 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6425 df_lr_bb_local_compute, df_ur_bb_local_compute,
6426 df_chain_create_bb): Made subreg aware.
6427 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6428 df_lr_bb_local_compute, df_lr_bb_local_compute,
6429 df_chain_create_bb): Cleanup to use proper macros.
6430 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6431 code to fixup bitvectors.
6432 (df_ri_alloc): Cleared lifetime.
6433 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6434 df_create_unused_note): New function.
6435 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6436 REG_DEAD and REG_UNUSED notes as well as register information.
6437 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6438 df_chains_dump): Fixed crash if problem was never run.
6439 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6440 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6441 df_ri_add_problem): Processes flags in uniform manner.
6442 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6443 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6444 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6445 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6446 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6447 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6448 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6449 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6450 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6451 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6452 * see.c (see_initialize_data): Ditto.
6453 * final.c (rest_of_clean_state) Added regstack_completed.
6454 * rtl.h (regstack_completed): Ditto.
6455 * reg-stack.c (regstack_completed): Ditto.
6457 2006-05-19 Mike Stump <mrs@apple.com>
6459 * c-tree.h (default_conversion): Remove.
6460 * c-common.h (default_conversion): Add.
6462 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6464 * tree-vrp.c (valid_value_p): New function.
6465 (adjust_range_with_scev): Fail if the value of bound is not
6468 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6470 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6471 (mips_fallback_frame_state): Use syscall numbers to determine
6472 the appropriate li instruction for the current ABI. Only use
6473 __NR_sigreturn for o32.
6475 2006-05-19 Nicolas Setton <setton@adacore.com>
6477 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6478 * langhooks.c (lhd_dwarf_name): New function.
6479 * langhooks-def.h (lhd_dwarf_name): Declare.
6480 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6481 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6482 * ada/misc.c (gnat_dwarf_name): New function.
6483 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6485 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6487 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6489 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6490 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6491 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6492 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6493 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6494 determine the size of Wtype, etc.
6495 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6496 (swfloatfuncs): New variable.
6497 (dwfloatfuncs): Likewise.
6498 (lib2funcs): Remove floating-point conversion functions from
6499 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6500 the set of conversion routines needed. Allow entries to specify
6501 an object name, filename and word size. Update users accordingly.
6502 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6503 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6507 2006-02-08 Roger Sayle <roger@eyesopen.com>
6510 * config/fixtfdi.c: New libgcc source file.
6511 * config/fixunstfdi.c: New source file.
6512 * config/floatditf.c: New source file.
6513 * config/floatunditf.c: New souce file.
6514 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6515 files above instead of config/mips/_tilib.c.
6516 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6518 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6520 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6521 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6523 2006-05-18 Mike Stump <mrs@apple.com>
6525 Fix up vla, vm and [*] sematics.
6531 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6532 (c_vla_unspec_p): Add.
6533 (c_vla_type_p): Add.
6534 * c-decl.c (struct c_scope): Add had_vla_unspec.
6535 (build_array_declarator): Add support for [*].
6536 (grokdeclarator): Likewise.
6537 (grokparms): Likewise.
6538 (get_parm_info): Likewise.
6539 * c-objc-common.c (c_vla_unspec_p): Likewise.
6540 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6541 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6542 typeof when argument is a variably modified type not inside sizeof or alignof.
6543 (c_parser_direct_declarator_inner): Propagate errors.
6544 (c_parser_sizeof_expression): Add support for [*].
6545 (c_parser_parms_declarator): Initialize had_vla_unspec.
6546 (c_parser_parms_list_declarator): Likewise.
6547 * c-typeck.c (c_vla_type_p): Add.
6548 (composite_type): Add support for vla compositing.
6549 (comptypes_internal): Add support for vla compatibility.
6550 (c_expr_sizeof_expr): Evaluate vla arguments.
6551 * tree.c (variably_modified_type_p): Update comment for [*].
6553 2006-05-18 Michael Matz <matz@suse.de>
6556 * config.host: Make assignments to host_xmake_file cumulative.
6557 * config.host (*-darwin*): Test $host, not $target.
6559 2006-05-12 Stuart Hastings <stuart@apple.com>
6561 * config/i386/i386.opt (-mstackrealign): New flag.
6562 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6563 (ix86_handle_cconv_attribute): Emit error when
6564 force_align_arg_pointer attribute collides with too many regparms.
6565 (ix86_function_regparm): Limit regparms when used with
6566 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6567 Support stack-realigning prologue in non-main functions. Emit
6568 warning for nested functions under -mstackrealign, emit error for
6569 nested functions with force_align_arg_pointer attribute.
6570 * doc/extend.texi (force_align_arg_pointer): Document it.
6571 * doc/invoke.texi (-mstackrealign): Document it.
6573 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6575 PR rtl-optimization/27477
6576 * combine.c (try_combine): Don't split a parallel consisting
6577 of two sets into two individual sets if both sets reference
6580 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6582 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6583 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6585 * doc/options.texi (VarExists): Updated.
6587 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6589 * unwind-dw2.c: Add declarations for uw_update_context and
6591 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6592 detected, advance frame state and context once to skip over stub.
6594 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6598 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6599 Call rewrite_into_loop_closed_ssa only when something changed.
6600 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6601 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6602 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6603 Test for perfect_nest_p here. Fix formating.
6604 (replace_uses_equiv_to_x_with_y): Fix formating.
6605 (stmt_uses_op): Removed.
6606 (can_convert_to_perfect_nest): Removed loopivs parameter.
6607 Complete the test by checking the scalar dependences.
6608 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6611 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6614 From Dan Kegel <dank@kegel.com>:
6615 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6617 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6619 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6620 if the element type is variably modified without recursing.
6622 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6625 * tree-loop-linear.c (try_interchange_loops): Test for
6626 no data dependences.
6628 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6630 PR tree-optimization/27548
6631 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6632 range of ssa names that appear on abnormal edges.
6633 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6634 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6636 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6639 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6641 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6644 * tree.h (OMP_PARALLEL_COMBINED): Define.
6645 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6646 (new_omp_context): Add is_combined_parallel argument.
6647 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6648 new_omp_context caller.
6649 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6650 Adjust gimplify_scan_omp_clauses callers.
6651 (omp_is_private): Issue errors if iteration variable is firstprivate
6652 or reduction in the current context.
6653 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6654 on combined parallel workshare constructs.
6656 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6658 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6659 (gcc-options.o): New rule.
6661 * optc-gen.awk: Protect variables for gcc-options.o with
6662 #ifdef GCC_DRIVER/#endif.
6664 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6666 Fix PR tree-optimization/27373
6667 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6668 (forward_propagate_addr_expr): Update call.
6670 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6672 * doc/options.texi: Move the Negative option.
6674 2006-05-16 Richard Guenther <rguenther@suse.de>
6676 PR tree-optimization/22303
6677 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6679 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6680 ccp_fold did not simplify the statement.
6682 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6685 * Makefile.in (GCC_OBJS): New.
6686 (OBJS-common): Add opts-common.o.
6687 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6688 (cpp$(exeext)): Likewise.
6689 (gcc.o): Also depend on opts.h.
6690 (opts-common.o): New.
6692 * common.opt (gcoff): Add Negative(gdwarf-2).
6693 (gdwarf-2): Add Negative(gstabs).
6694 (gstabs): Add Negative(gstabs+).
6695 (gstabs+): Add Negative(gvms).
6696 (gvms): Add Negative(gxcoff).
6697 (gxcoff): Add Negative(gxcoff+).
6698 (gxcoff+): Add Negative(gcoff).
6699 * config/i386/i386.opt (m32): Add Negative(m64).
6700 (m64): Add Negative(m32).
6702 * doc/options.texi: Document the Negative option.
6704 * gcc.c: Include "opts.h".
6705 (main): Call prune_options after expandargv.
6707 * optc-gen.awk: Generate common declarations for all flag
6708 variables in options.c. Output the neg_index field.
6710 * opts.c (find_opt): Moved to ...
6711 * opts-common.c: Here. New file.
6713 * opts.h (cl_option): Add a neg_index field.
6715 (prune_options): Likewise.
6717 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6720 * omp-low.c (expand_omp_parallel): Don't assert
6721 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6722 instead search for it.
6725 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6728 2006-05-16 Andreas Schwab <schwab@suse.de>
6730 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6733 2006-05-15 Roger Sayle <roger@eyesopen.com>
6736 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6737 integer constants other than zero are only legitimate on TARGET_64BIT.
6738 <CONST_VECTOR> Only zero vectors are legitimate.
6739 (ix86_cannot_force_const_mem): Integral and vector constants can
6740 always be put in the constant pool.
6742 2006-05-16 DJ Delorie <dj@redhat.com>
6744 * crtstuff.c (__dso_handle): Set section from
6745 TARGET_LBIGCC_SDATA_SECTION if defined.
6746 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6747 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6749 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6752 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6755 2006-05-16 Ben Elliston <bje@au.ibm.com>
6757 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6759 2006-05-15 Per Bothner <per@bothner.com>
6761 * tree.c: (last_annotated_node): Use source_locus typedef.
6762 This permits bootstrapping with --enable-mapped-location.
6764 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6766 PR tree-optimization/26830
6767 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6768 (info_for_ssa_name, current_info_for_ssa_name_age,
6769 blocks_to_update): New variables.
6770 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6771 (clear_ssa_name_info, initialize_flags_in_bb,
6772 mark_block_for_update): New functions.
6773 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6774 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6775 prepare_def_site_for): Use mark_block_for_update.
6776 (mark_def_interesting): Assert that the processed block is marked in
6777 blocks_to_update. Do not take blocks argument.
6778 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6780 (rewrite_update_init_block, rewrite_update_stmt): Only process
6781 blocks with statements to rewrite.
6782 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6783 (update_ssa): Initialize and free blocks_to_update. Do not
6784 clear flags on statements. Do not use blocks bitmap.
6785 * tree.h (SSA_NAME_AUX): Removed.
6786 (struct tree_ssa_name): Removed aux field.
6787 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6789 2006-05-15 Richard Guenther <rguenther@suse.de>
6791 PR tree-optimization/27603
6792 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6793 Do computations in original type.
6795 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6797 * see.c: Code style changes such as redundant paranthesis,
6798 redundant intialization of local variables etc.
6799 (see_main): Declared now as static.
6800 * doc/invoke.texi: Update that -fsee is not enabled by
6803 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6805 * omp-low.c (check_omp_nesting_restrictions): New function.
6806 (scan_omp_1): Call it.
6809 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6810 construct, return *VAR.
6812 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6814 PR rtl-optimization/27406
6815 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6818 2006-05-14 Roger Sayle <roger@eyesopen.com>
6820 PR rtl-optimization/27538
6821 * combine.c (expand_compound_operation): Call gen_lowpart
6822 before calling simplify_shift_const.
6824 2006-05-14 Roger Sayle <roger@eyesopen.com>
6826 PR rtl-optimization/22563
6827 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6828 a fixed width bitfield, always force the intermediates into psuedos.
6830 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6833 * mkconfig.sh: Use operator = instead of == for test.
6835 2006-05-13 Nick Clifton <nickc@redhat.com>
6837 * dwarf2out.c (dbx_reg_number): Check return value from
6838 LEAF_REG_REMAP and only use it if it is valid.
6839 (multiple_reg_loc_descriptor): Likewise.
6841 2006-05-13 Richard Guenther <rguenther@suse.de>
6843 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6846 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6848 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6849 information attached to non-INSNs such as NOTEs.
6850 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6852 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6854 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6856 * config/s390/s390.md: Adjust comment describing On constraint.
6858 2006-05-11 Jan Hubicka <jh@suse.cz>
6860 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6861 to be output at -O0.
6863 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6866 * fold-const.c (size_binop): Move sanity check for arguments to
6867 the beginning of the function.
6870 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6873 2006-05-11 Richard Guenther <rguenther@suse.de>
6876 * fold-const.c (fold_unary): Handle intermediate conversion
6877 to a pointer type like intermediate conversion to an integer
6878 type in folding of (T1)(T2)var to var.
6879 Match the code to the comment in the final conversion for
6880 (T1)(T2)var to (T1)var regarding to type precision. Rather
6881 than disallow T1 being of pointer type, assert that both T1
6882 and var are of pointer type or not. Make sure not to fall
6883 over the frontends lazyness wrt array to pointer decay though.
6885 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6887 * arm.c (arm_struct_value_rtx): Delete.
6888 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6889 (arm_init_cumulative_args): Always initialize nregs to zero.
6891 2006-05-10 Richard Guenther <rguenther@suse.de>
6893 PR tree-optimization/27532
6894 * tree-object-size.c (plus_expr_object_size): Fix typo.
6896 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6899 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6900 ashrdi_const, ashrdi3): Use a scratch register.
6902 2006-05-10 Richard Guenther <rguenther@suse.de>
6904 PR tree-optimization/27302
6905 * fold-const.c (operand_equal_p): For two comparisons,
6906 try comparison of one comparison code swapped if that yields
6909 2006-05-10 Ben Elliston <bje@au.ibm.com>
6911 * tree-pretty-print.c (pretty_print_string): No need to handle
6912 '\0' as a special character.
6914 * tree.h: Include "hashtab.h".
6915 (iterative_hash_expr): Use hashval_t in its prototype.
6916 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6918 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6921 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6922 (hppa*64*-*-hpux11*): Ditto.
6923 (hppa[12]*-*-hpux11*): Ditto.
6925 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6928 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6930 2006-05-09 Michael Matz <matz@suse.de>
6932 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6933 host_extra_gcc_objs and host_xmake_file.
6934 (<*-*-linux*>): Don't overwrite host_xmake_file.
6935 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6936 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6937 (host_detect_local_cpu): Declare.
6938 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6939 * config/i386/i386.c (override_options): Handle -mtune=native
6941 * config/i386/x-i386: New file.
6942 * config/i386/driver-i386.c: New file.
6943 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6946 2006-05-09 Dirk Mueller <dmueller@suse.de>
6947 Richard Guenther <rguenther@suse.de>
6950 * fold-const.c (fold_read_from_constant_string): Relax check
6951 for matching types to matching modes.
6953 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6955 PR rtl-optimization/27335
6956 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6959 2006-05-08 Chao-ying Fu <fu@mips.com>
6960 Richard Sandiford <richard@codesourcery.com>
6962 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6963 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6964 * config/mips/mips.md (UNSPEC_SCC): New constant.
6965 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6966 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6967 (mips_emit_compare): Use it.
6968 (mips_expand_vcondv2sf): New function.
6970 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6972 Fix PR tree-optimization/27093
6973 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6974 renaming when they become not-used_alone.
6976 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6978 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6979 relocation and relocation stubs.
6981 2006-05-08 Eric Christopher <echristo@apple.com>
6983 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6986 2006-05-08 Jan Hubicka <jh@suse.cz>
6989 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6990 unused static functions are needed.
6992 2006-05-08 Roger Sayle <roger@eyesopen.com>
6995 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6996 of a reg_equiv_constant if the result is a legitimate constant.
6998 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7001 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7002 standard 80387 constants, raise the cost to prevent
7003 compress_float_constant() to generate load from memory.
7005 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7007 * config/arm/constraints.md (c): Fix a typo.
7009 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7012 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7015 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7017 (_mm_mwait): Likewise.
7019 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7021 (sse3_monitor): Make it 32bit only.
7022 (sse3_monitor64): New. 64bit monitor.
7024 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7027 * config/i386/i386.c (classify_argument): Skip fields with invalid
7030 2006-05-07 Richard Guenther <rguenther@suse.de>
7032 PR tree-optimization/27409
7033 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7034 Do not try to find zero-sized subvars.
7036 2006-05-07 Richard Guenther <rguenther@suse.de>
7038 PR tree-optimization/27136
7039 * tree-ssa-loop-niter.c (get_val_for): Correct function
7040 comment, assert requirements.
7041 (loop_niter_by_eval): Stop processing if the iterated
7042 value did not simplify.
7044 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7046 * opts.c (flag_see): remove its setting at -O3.
7048 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7050 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7051 * arm/constraints.md: New file.
7052 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7053 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7054 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7055 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7056 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7057 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7058 * arm.md: Include constraints.md.
7059 (thumb_movsi_insn): Use satisfies_constraint_J.
7060 (movhi, movqi): Use satisfies_constraint_I.
7062 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7064 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7065 for atmeg a645 device.
7067 2006-05-06 Richard Guenther <rguenther@suse.de>
7069 PR tree-optimization/27151
7070 * tree-vect-transform.c (vectorizable_condition): Punt on
7071 values that have a different type than the condition.
7073 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7076 * c-parser.c (c_parser_cast_expression): Only insert casts into
7077 hash table if pointer.
7078 * function.c (used_types_insert_helper): Rename from
7080 (used_types_insert): Call used_types_insert_helper.
7081 * function.h (used_types_insert): Accept only one argument.
7083 2006-05-05 David Edelsohn <edesohn@gnu.org>
7085 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7086 scratch with output modifier.
7088 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7091 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7092 with output modifier.
7094 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7097 * config/mips/mips.c (mips_symbolic_address_p): Return true
7098 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7099 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7101 2006-05-04 Richard Guenther <rguenther@suse.de>
7103 PR tree-optimization/14287
7104 PR tree-optimization/14844
7105 PR tree-optimization/19792
7106 PR tree-optimization/21608
7107 PR tree-optimization/27090
7108 * tree-ssa-pre.c (try_combine_conversion): New function.
7109 (compute_avail): After constructing the value-handle
7110 expression, use try_combine_conversion to combine NOP_EXPRs
7111 with previous value-handle expressions and use the result if it
7114 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7116 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7118 2006-05-04 Jan Hubicka <jh@suse.cz>
7121 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7123 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7125 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7126 that this only matches CONST_INTs. All users changed to VOIDmode
7129 * config/bfin/bfin.c: Include "optabs.h".
7130 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7132 (enum bfin_builtins): Add a number of fractional and vector builtins.
7133 (bfin_init_builtins): Likewise.
7134 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7135 (safe_vector_operand, bfin_expand_binop_builtin,
7136 bfin_expand_unop_builtin): New functions.
7137 (bfin_expand_builtin): Handle the new builtins.
7138 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7141 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7144 * Makefile.in (OBJS-common): Add see.o.
7145 (see.o): Add dependencies.
7146 * common.opt (fsee): New flag for the see optimization was added.
7147 * opts.c (flag_see): Initialized.
7148 * passes.c (init_optimization_passes, pass_see): New pass.
7149 * rtl.h (see_main): Declaration as extern.
7150 * timevar.def (TV_SEE): New.
7151 * tree-pass.h (pass_see): Declaration as extern.
7152 * invoke.texi (-fsee): Document.
7153 * recog.c (validate_simplify_insn): New function.
7154 * recog.h (validate_simplify_insn): Declaration as extern.
7155 * df-problems.c (df_chain_dump): Check for NULL.
7157 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7158 Daniel Berlin <dberlin@dberlin.org>
7160 * cfgrtl.c (insert_insn_bb_end_new): New function.
7161 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7163 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7165 * df.h (struct web_entry): Moved from web.c.
7166 (union_defs): Declaration as extern.
7167 (unionfind_root): Likewise.
7168 (unionfind_union): Likewise.
7169 * web.c (struct web_entry): Moved to df.h.
7170 (unionfind_root): Remove static declaration.
7171 (unionfind_union): Likewise.
7172 (union_defs): Likewise and generalize to use callback function.
7173 (web_main): Update arguments for union_defs function call.
7175 2006-05-04 Richard Guenther <rguenther@suse.de>
7177 PR tree-optimization/26447
7178 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7179 produce SSA_NAME copies before the store stmt to avoid
7180 breaking exception handling.
7182 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7185 * gimplify.c (omp_is_private): If var is shared in some outer context,
7186 return false instead of true. Stop searching on parallel context
7189 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7192 * coverage.c: Use get_gcov_unsigned_t() instead of
7193 unsigned_type_node all over.
7195 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7197 PR tree-optimization/27381
7198 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7199 maintain the same immediate_use links.
7200 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7201 node rather than segfaulting.
7203 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7206 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7207 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7208 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7210 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7212 Fix PR tree-optimization/26626
7213 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7215 * tree-ssa-operands.c (access_can_touch_variable): Allow
7216 typecasting through union pointers.
7218 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7221 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7222 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7223 to find if var will be a global variable even in the nested context.
7224 (omp_copy_decl): Only check for global variable at the end, it might
7225 be overridden in outer contexts.
7226 (scan_sharing_clauses): For global variables don't create a field.
7227 (lower_rec_input_clauses): Do nothing for global shared variables.
7228 Emit a barrier at the end of ILIST if there were any decls in both
7229 firstprivate and lastprivate clauses.
7230 (lower_send_clauses): Do nothing for global variables except for
7233 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7235 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7236 of the correct signedness is returned.
7238 2006-05-02 Jeff Law <law@redhat.com>
7240 PR tree-optimization/27364
7241 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7242 multiply expressions.
7244 2006-05-02 Tom Tromey <tromey@redhat.com>
7246 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7248 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7251 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7252 -mthumb -fPIC are used.
7254 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7255 Joshua Kinard <kumba@gentoo.org>
7258 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7259 with 64-bit pointers.
7261 2006-05-02 Paul Brook <paul@codesourcery.com>
7263 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7265 (create_fix_barrier): Check that a suitable barrier location is
7267 (arm_reorg): Include ftmp->address in allowable range of addresses.
7269 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7272 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7275 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7278 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7279 around RESULT_DECL for result passed by reference.
7280 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7281 * omp-low.c (use_pointer_for_field): Don't look at
7282 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7283 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7284 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7285 time or var for passing by reference for
7286 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7287 TREE_ADDRESSABLE variables when passing by reference.
7289 * omp-low.c (dump_omp_region): Fix output formatting.
7292 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7293 (expand_omp_parallel): Likewise.
7294 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7297 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7298 on statement list containing also constructors and destructors.
7299 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7302 * except.c (duplicate_eh_regions): Fix clearing of
7303 cfun->eh->region_array entries.
7305 2006-05-01 DJ Delorie <dj@redhat.com>
7307 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7309 (gcc_cv_objdump): Likewise.
7310 * configure: Regenerated.
7312 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7315 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7316 templates for case 3 and 4.
7318 2006-05-01 DJ Delorie <dj@redhat.com>
7320 * vec.c: Include bconfig.h when appropriate.
7321 * Makefile.in (build/vec.o): Adjust dependencies.
7322 * mkconfig.sh: Make sure config.h isn't used for build machine
7325 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7327 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7329 (mark_phi_for_rewrite): New function.
7330 (insert_phi_nodes_for, mark_use_interesting): Call
7331 mark_phi_for_rewrite.
7332 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7333 (update_ssa): Initialize and free phis_to_rewrite.
7335 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7337 PR rtl-optimization/27291
7338 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7339 folded to a constant.
7341 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7343 PR tree-optimization/27283
7344 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7345 not whole # of iteration descriptions.
7346 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7347 uses abnormal ssa name.
7348 (niter_for_single_dom_exit): Ditto.
7349 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7350 return just the number of iterations.
7352 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7354 PR tree-optimization/27144
7355 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7356 (record_estimate): Only record constant upper bound.
7357 (infer_loop_bounds_from_undefined): Call
7358 compute_estimated_nb_iterations just once.
7359 (proved_non_wrapping_p): Renamed to ...
7360 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7361 (convert_step_widening, scev_probably_wraps_p): Call
7362 n_of_executions_at_most instead of proved_non_wrapping_p.
7363 (substitute_in_loop_info): Do not replace values in bounds.
7364 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7367 2006-05-01 Richard Henderson <rth@redhat.com>
7370 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7371 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7374 2006-05-01 Roger Sayle <roger@eyesopen.com>
7376 * c-typeck.c (parser_build_binary_op): Don't call the function
7377 unsigned_conversion_warning to spot operand/result type overflow.
7378 (build_binary_op): Instead, call convert_and_check instead of
7379 convert to report the problem when the operands are promoted.
7380 * c-common.c (unsigned_conversion_warning): Make static.
7381 * c-common.h (unsigned_conversion_warning): Delete prototype.
7383 2006-05-01 Richard Guenther <rguenther@suse.de>
7385 PR tree-optimization/26726
7386 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7388 (find_interesting_uses_address): ... we work around here
7389 by folding INDIRECT_REFs in the substituted base.
7391 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7393 * omp-low.c (dump_omp_region): Add newlines.
7395 2006-04-30 Roger Sayle <roger@eyesopen.com>
7397 * common.opt (Woverflow): New command line option.
7398 * c-common.c (constant_expression_warning): Check warn_overflow.
7399 (overflow_waring): Pass OPT_Woverflow to warning.
7400 (unsigned_conversion_warning): Likewise.
7401 (convert_and_check): Likewise.
7402 * doc/invoke.texi: Document new command line option.
7404 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7406 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7407 TARGET_NO_FP_IN_TOC for section anchors.
7408 (optimization_options): Enable section anchors for all
7409 non-"Objective" languages.
7411 2006-04-28 Eric Christopher <echristo@apple.com>
7413 * config/darwin-c.c (darwin_ms_struct): Move this
7414 (darwin_set_default_type_attributes): and this...
7415 * config/darwin.c: ... here.
7416 * config/darwin.h (darwin_ms_struct): Declare.
7418 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7420 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7422 2006-04-28 Roger Sayle <roger@eyesopen.com>
7425 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7426 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7427 an unsigned HOST_WIDE_INT.
7428 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7430 (really_start_incremental_init): No need to call convert because
7431 bitsize_zero_node is already of type bitsizetype.
7432 (push_init_level): Extract the value of constructor_index as an
7433 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7434 (process_init_element): Likewise.
7436 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7438 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7439 value before passing to make_relative_prefix.
7441 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7444 * builtins.c (expand_builtin_memset): Expand val in original mode.
7446 2006-04-27 Eric Christopher <echristo@apple.com>
7448 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7449 with #ifndef/#endif.
7450 * config/darwin-c.c (darwin_ms_struct): New.
7451 (darwin_pragma_ms_struct): Ditto.
7452 (darwin_set_default_type_attributes): Ditto.
7453 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7454 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7455 Register ms_struct pragma.
7456 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7457 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7458 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7459 darwin_set_default_type_attributes if TARGET_MACHO.
7461 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7463 PR tree-optimization/26854
7464 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7465 * doc/tree-ssa.texi: Update immuse iterator documentation.
7466 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7467 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7468 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7469 first_safe_imm_use, next_safe_imm_use): Remove.
7470 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7471 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7472 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7473 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7474 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7475 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7476 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7477 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7478 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7479 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7480 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7481 (perfect_nestify): Use new iterator.
7482 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7484 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7485 (next_imm_name): New field in struct immediate_use_iterator_d.
7486 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7487 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7488 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7489 * tree-cfg.c (replace_uses_by): Use new iterator.
7490 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7491 * tree-ssa-operands.c (correct_use_link): Remove.
7492 (finalize_ssa_use_ops): No longer call correct_use_link.
7494 2006-04-27 Stuart Hastings <stuart@apple.com>
7496 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7497 * config/t-darwin (crt3.o): Use it.
7498 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7499 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7500 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7501 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7502 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7505 2006-04-27 Roger Sayle <roger@eyesopen.com>
7507 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7508 size, force the intermediate into a new pseudo rather instead of
7509 performing both a bitwise AND and a bitwise IOR in memory.
7511 2006-04-27 Richard Guenther <rguenther@suse.de>
7513 PR rtl-optimization/26685
7514 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7515 this one "max-flow-memory-locations".
7517 2006-04-27 Richard Guenther <rguenther@suse.de>
7519 PR tree-optimization/25148
7520 * tree-vrp.c (compare_values): Remove code dealing with
7521 comparisons against type min/max value. Honour overflow
7522 and negative constants in code dealing with comparisons
7523 of plus and minus expressions.
7524 (value_inside_range): Use fold_binary with LE_EXPR and
7525 GE_EXPR rather than compare_values.
7527 2006-04-27 Dirk Mueller <dmueller@suse.de>
7529 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7532 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7534 * basic-block.h (safe_insert_insn_on_edge): Removed.
7535 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7537 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7538 Paolo Bonzini <bonzini@gnu.org>
7541 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7542 (simplify_and_const_int): Same.
7544 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7546 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7548 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7551 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7552 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7553 cgraph_global_info_ready.
7556 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7559 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7560 either decl or init is error_mark_node.
7563 * tree-flow.h (struct omp_region): Add sched_kind.
7564 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7565 instead of extracting omp for data.
7566 (expand_omp_for): Save extracted sched_kind.
7568 2006-04-25 Roger Sayle <roger@eyesopen.com>
7570 * expmed.c (store_bit_field): Also check whether the bitsize is
7571 valid for the machine's "insv" instruction before moving the
7572 target into a pseudo for use with the insv.
7573 * config/i386/predicates.md (const8_operand): New predicate.
7574 * config/i386/i386.md (extv, extzv, insv): Use the new
7575 const8_operand predicate where appropriate.
7577 2006-04-25 DJ Delorie <dj@redhat.com>
7579 * doc/install.texi (Specific): Clarify that this is not a list of
7580 supported hosts or targets.
7582 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7584 PR rtl-optimization/26725
7585 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7586 block's BB_DIRTY flag.
7588 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7590 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7593 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7594 to print an integer.
7596 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7598 * varasm.c (align_variable): New function.
7599 (get_block_for_decl): Apply align_variable to DECL before
7600 calculating section information.
7601 (assemble_variable): Split out alignment computation.
7603 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7605 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7608 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7610 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7611 MODE_PARTIAL_INT mode.
7612 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7613 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7615 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7616 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7618 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7620 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7622 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7623 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7624 MACFLAG_IH): Likewise.
7625 (movstricthi_1): Renamed from "*movstricthi".
7626 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7627 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7628 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7629 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7630 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7631 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7632 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7633 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7634 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7635 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7636 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7637 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7638 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7639 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7640 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7642 * doc/rtl.texi (ss_ashift): Improve wording.
7644 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7646 * dwarf2out.c (verify_marks_clear): New.
7647 (prune_unused_types): Call verify_marks_clear initially, not
7650 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7652 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7653 * doc/rtl.texi: Document them.
7654 * simplify-rtx.c (simplify_unary_operation,
7655 simplify_binary_operation_1): Don't abort when we see them.
7657 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7660 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7661 * configure.ac: Completely disregard languages that are not
7663 * configure: Regenerated.
7665 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7666 Richard Guenther <rguenther@suse.de>
7668 PR tree-optimization/27236
7669 * tree-inline.c (copy_body_r): Make sure to copy
7670 TREE_THIS_VOLATILE flag.
7672 2006-04-24 Richard Guenther <rguenther@suse.de>
7675 * tree-complex.c (update_parameter_components): Don't handle
7676 unused parameters which have no default def.
7678 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7679 Richard Guenther <rguenther@suse.de>
7681 PR tree-optimization/27218
7682 * tree-inline.c (expand_call_inline): Strip useless type
7683 conversions for the return slot address.
7685 2006-04-24 Richard Guenther <rguenther@suse.de>
7687 * cfgloop.h (struct loops): Remove unused field array. Reorder
7689 (LOOP_PREFETCH): Remove.
7691 2006-04-24 Richard Guenther <rguenther@suse.de>
7693 PR tree-optimization/22525
7694 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7695 variable, adjust types of generated expressions.
7697 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7699 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7700 (tree-vect-patterns.o): Likewise.
7702 (cselib.o): Likewise.
7703 (loop-doloop.o): Likewise.
7704 (regclass.o): Likewise.
7705 (reload1.o): Likewise.
7706 (explow.o): Replace target.h with $(TARGET_H).
7707 (ipa-prop.o): Likewise.
7708 (ipa-cp.o): Likewise.
7709 (ipa-inline.o): Likewise.
7710 (reorg.o): Likewise.
7711 (reg-stack.o): Likewise.
7713 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7715 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7717 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7719 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7721 * configure.ac: Completely disregard languages that are not
7723 * configure: Regenerated.
7726 * c-common.h (c_build_bitfield_integer_type): Declare.
7727 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7728 * c-common.c (c_build_bitfield_integer_type): ... here.
7730 2006-04-23 Roger Sayle <roger@eyesopen.com>
7733 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7734 a SImode SUBREG of a floating point register after no_new_pseudos.
7736 2006-04-23 Roger Sayle <roger@eyesopen.com>
7738 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7739 identify potentially eliminable registers to additionally catch
7740 VIRTUAL_INCOMING_ARGS_REGNUM.
7741 (addsi3): Update the conditions on when to use addsi_small_int.
7743 2006-04-23 Roger Sayle <roger@eyesopen.com>
7746 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7747 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7748 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7750 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7752 * fold-const.c (range_predecessor): Use operand_equal_p
7753 as the predicate for equality.
7754 (range_successor): Likewise.
7756 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7759 * config/soft-fp/op-common.h: Fix a typo.
7761 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7764 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7765 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7767 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7769 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7771 * doc/tm.texi: Fix a typo.
7773 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7775 * dwarf2out.c (struct die_struct): Document that die_sib makes
7776 a circular linked list.
7777 (FOR_EACH_CHILD): New.
7778 (reverse_die_lists): Delete.
7779 (reverse_all_dies): Delete.
7780 (add_dwarf_attr): Correct documentation.
7781 (remove_child_with_prev): New.
7782 (remove_child_TAG): Update for change to die_struct, use
7783 remove_child_with_prev.
7784 (add_child_die): Update for change to die_struct.
7785 (splice_child_die): Use remove_child_with_prev and add_child_die.
7786 (print_die): Use FOR_EACH_CHILD.
7787 (die_checksum): Likewise.
7788 (assign_symbol_names): Likewise.
7789 (output_location_lists): Likewise.
7790 (build_abbrev_table): Likewise.
7791 (calc_die_sizes): Likewise.
7792 (mark_dies): Likewise.
7793 (unmark_dies): Likewise.
7794 (unmark_all_dies): Likewise.
7795 (output_die): Likewise.
7796 (prune_unused_types_mark): Likewise.
7797 (prune_unused_types_walk): Likewise.
7798 (same_die_p): Update for change to die_struct.
7799 (break_out_includes): Likewise.
7800 (prune_unused_types_prune): Likewise.
7801 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7802 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7804 (dwarf2out_finish): Don't call reverse_all_dies.
7806 2006-04-21 Eric Christopher <echristo@apple.com>
7808 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7809 in comments and function names.
7811 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7814 * c-typeck.c (digest_init): Robustify.
7816 * c-typeck.c (pop_init_level): Simplify.
7818 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7820 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7822 2006-04-21 Paul Brook <paul@codesourcery.com>
7824 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7825 hardware floating point.
7827 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7829 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7832 2006-04-21 Nick Clifton <nickc@redhat.com>
7834 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7837 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7840 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7841 C++ lang type in traceback table for Objective-C++.
7843 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7845 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7847 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7849 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7852 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7853 were errors. Remove check for erroneous objects.
7855 2006-04-20 Jeff Law <law@redhat.com>
7857 PR tree-optimization/26854
7858 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7859 checking for zero or one use.
7860 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7861 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7862 * tree-ssa-reassoc.c (negate_value): Similarly.
7863 (reassociate_bb): Similarly.
7865 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7867 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7868 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7869 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7871 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7873 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7874 fp regs if the last fp arg doesn't fit in regs.
7876 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7879 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7880 that the last insn has the REG_INC note.
7882 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7883 Nathan Sidwell <nathan@codesourcery.com>
7886 * stor-layout.c (update_alignment_for_field): Do not align
7888 (place_union_field): Place union field at the start of the union.
7889 (place_field): Move ERROR_MARK check later, and use the current
7890 allocation position to maintain monotonicity.
7892 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7894 * dominance.c: Include timevar.h.
7895 (calculate_dominance_info): Use TV_DOMINANCE.
7896 * timevar.def (TV_DOMINANCE): New timevar.
7897 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7899 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7901 PR rtl-optimization/14261
7902 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7903 move would be an INSV insn.
7904 (noce_process_if_block): Don't optimize if the destination is a
7905 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7907 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7909 * config/s390/s390.md: Add comments with the instructions emitted
7910 by an insn pattern if macros are used.
7912 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7914 PR rtl-optimization/26026
7915 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7916 is a known power of two shifted left a variable amount.
7918 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7920 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7921 to hash table twice when the debug_str section has SECTION_MERGE.
7923 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7925 * config/soft-fp: New directory. From glibc.
7926 * config/soft-fp/t-softfp: New.
7927 * config/soft-fp/README: New.
7928 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7929 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7930 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7931 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7932 * config.gcc: Use rs6000/t-fprules-fpbit or
7933 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7935 * config/rs6000/sfp-machine.h: New. Based on glibc.
7936 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7938 * config/rs6000/t-fprules: Remove fp-bit rules.
7939 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7940 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7941 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7942 (softfp_wrap_start, softfp_wrap_end): New.
7944 2006-04-18 DJ Delorie <dj@redhat.com>
7946 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7948 2006-04-18 Devang Patel <dpatel@apple.com>
7950 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7952 2006-04-18 Nick Clifton <nickc@redhat.com>
7954 * config/sh/t-symbian: Add rule to build sh-c.o
7955 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7956 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7957 (sh_symbian_encode_section_info): Likewise.
7959 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7961 * builtins.c (expand_builtin_strcmp): Cover label definition of
7962 do_libcall with HAVE_cmpstrnsi.
7964 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7966 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7968 * function.h (temp_slot_p): New.
7969 (function): Change the type of x_used_temp_slots to
7970 VEC(temp_slot_p,gc) *.
7972 2006-04-18 Nick Clifton <nickc@redhat.com>
7974 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7975 flag_strength_reduce.
7977 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7979 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7983 Partial revert of revision 112637
7984 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7985 Dale Johannesen <dalej@apple.com>
7988 * regclass.c (struct reg_pref): Update documentation.
7989 (regclass): Set prefclass to NO_REGS if memory is the best option.
7990 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7992 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7994 PR tree-optimization/26821
7995 * tree-ssa-math-opts.c (get_constant_one): New.
7996 (insert_reciprocals): Use it.
7998 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8000 * dwarf2out.c (free_AT): Delete.
8001 (remove_AT): Update string ref counts.
8002 (remove_child_TAG): Don't call free_die.
8004 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8005 or DW_TAG_GNU_EINCL.
8006 (prune_unused_types_walk_attribs): Reset string refcounts.
8007 (prune_unused_types_update_strings): New.
8008 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8009 call free_die. Do call prune_unused_types_update_strings.
8010 (prune_unused_types): Empty debug_str_hash.
8012 2006-04-17 Roger Sayle <roger@eyesopen.com>
8014 * expr.c (expand_assignment): Optimize away no-op moves where the
8015 source and destination are equal and have no side-effects.
8017 2006-04-17 Richard Guenther <rguenther@suse.de>
8020 * reload.c (push_reload): Guard calls to get_secondary_mem
8023 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8025 * alias.c (reg_base_value, old_reg_base_value): Change the
8026 type to VEC(rtx,gc) *.
8027 (REG_BASE_VALUE, find_base_value, record_set,
8028 init_alias_analysis): Use VEC instead of VARRAY.
8030 * alias.c (alias_sets): Change the type to
8031 VEC(alias_set_entry,gc) *.
8032 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8033 VEC instead of VARRAY.
8034 (last_alias_set): Remove.
8036 * cgraph.h (cgraph_edge_p): New.
8037 Update the prototype of cgraph_function_versioning.
8038 * cgraphunit.c (cgraph_copy_node_for_versioning,
8039 cgraph_function_versioning): Use VEC instead of VARRAY.
8040 * ipa-cp.c (ipcp_insert_stage): Likewise.
8042 2006-04-16 Roger Sayle <roger@eyesopen.com>
8045 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8046 "A op B" or "A op C", we may need to convert A to the type of B and C.
8048 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8050 * target.h (struct gcc_target): Add mode_rep_extended.
8051 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8052 (init_num_sign_bit_copies_in_rep): Initialize it using
8054 (truncate_to_mode): Use it.
8055 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8056 * targhooks.h (default_mode_rep_extended): Declare it.
8057 * targhooks.c (default_mode_rep_extended): Define it.
8058 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8059 default_mode_rep_extended.
8060 (TARGET_INITIALIZER): Include it.
8061 * doc/tm.texi (Misc): Document it.
8062 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8063 (mips_truncated_to_mode): New function.
8065 2006-04-16 Roger Sayle <roger@eyesopen.com>
8068 * expr.c (compress_float_constant): Copy the narrow constant into
8069 a new pseudo before extending it to its final width.
8071 2006-04-16 Roger Sayle <roger@eyesopen.com>
8072 Andrew Pinski <pinskia@gcc.gnu.org>
8073 Dale Johannesen <dalej@apple.com>
8076 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8077 special case code to implement V8HImode and V16QImode with SSE2.
8079 2006-04-15 Roger Sayle <roger@eyesopen.com>
8081 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8082 trees are constructed with a suitable tree type.
8084 2006-04-15 Roger Sayle <roger@eyesopen.com>
8086 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8087 (integer_onep): Likewise.
8088 (integer_all_onesp): Likewise.
8089 (integer_pow2p): Likewise.
8090 (integer_nonzerop): Likewise.
8091 (real_zerop): Likewise.
8092 (real_onep): Likewise.
8093 (real_twop): Likewise.
8094 (real_minus_onep): Likewise.
8095 (int_size_in_bytes): Likewise.
8096 (host_integerp): Likewise.
8098 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8100 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8101 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8102 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8104 * tree-ssa-structalias.h (alias_info): Remove num_references.
8106 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8108 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8109 (output_bvb patterns): Likewise.
8110 * pa.c (output_bb): Use 'bb' insn for long branch case.
8111 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8112 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8113 1. Correct length operand for alternatives 1 and 2.
8114 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8115 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8117 2006-04-14 Roger Sayle <roger@eyesopen.com>
8119 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8120 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8121 were accidentally reverted by r112959.
8123 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8126 * except.h (eh_region_outermost): New prototype.
8127 * except.c (eh_region_outermost): New function.
8128 * tree-cfg.c (find_outermost_region_in_block): Use it.
8130 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8132 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8134 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8135 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8136 (init_reload, reload): Use VEC instead of VARRAY.
8137 * reload.h: Update the prototype for
8138 reg_equiv_memory_loc_varray.
8140 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8141 Eric Botcazou <ebotcazou@libertysurf.fr>
8143 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8146 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8149 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8150 to expand fallback builtin function call.
8152 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8155 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8156 and emit libcall here in case the builtin fails.
8157 (expand_builtin_strcmp): Always emit the libcall here on failure.
8159 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8161 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8162 * flow.c (reg_n_info): Change the type to
8163 VEC(reg_info_p,heap) *.
8164 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8166 * regs.h (reg_info_p): New.
8167 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8168 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8169 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8172 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8174 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8176 * params.h (MAX_SCHED_READY_INSNS): New macro.
8177 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8178 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8179 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8180 the ready list for 1 cycle during the first scheduling pass.
8181 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8183 2006-04-13 Richard Henderson <rth@redhat.com>
8186 * gimple-low.c (lower_omp_directive): Remove dead code.
8187 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8188 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8189 * omp-low.c (struct omp_region): Move to tree-flow.h.
8190 (root_omp_region): Export.
8191 (omp_regions, lookup_omp_region): Remove.
8192 (determine_parallel_type): Update for struct omp_region changes.
8193 (dump_omp_region): Dump regions with block numbers.
8194 (new_omp_region): Take type and block instead of stmt; malloc
8196 (free_omp_region_1, free_omp_regions): New.
8197 (expand_parallel_call): Take entry_stmt as argument; update for
8198 changes to omp_region.
8199 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8200 (remove_exit_barriers): New.
8201 (expand_omp_parallel): Update for struct omp_region changes.
8202 (expand_omp_synch): Likewise.
8203 (expand_omp): Likewise.
8204 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8205 (expand_omp_for_static_chunk): Likewise.
8206 (expand_omp_for): Likewise.
8207 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8208 (expand_omp_sections): Similarly, with GOMP_sections_end.
8209 (expand_omp_single): New.
8210 (build_omp_regions_1): Update for OMP_CONTINUE.
8211 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8212 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8213 OMP_SECTIONS_SECTIONS.
8214 (lower_omp_single_simple): Don't emit barrier here.
8215 (lower_omp_single_copy): Likewise.
8216 (lower_omp_single): Fix bindings, and lower to straightline now.
8217 (lower_omp_master, lower_omp_ordered): Likewise.
8218 (lower_omp_critical): Likewise.
8219 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8220 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8221 omp edges, free it afterward.
8222 (make_omp_sections_edges): Remove.
8223 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8224 (move_stmt_r): Handle OMP_CONTINUE.
8225 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8226 statement pointers to basic blocks. Add type member.
8227 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8228 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8229 * tree-inline.c (estimate_num_insns_1): Likewise.
8230 * tree-pretty-print.c (dump_generic_node): Likewise.
8231 * tree-ssa-operands.c (get_expr_operands): Likewise.
8232 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8233 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8234 (OMP_CONTINUE): New.
8235 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8236 (OMP_SECTIONS_SECTIONS): Remove.
8237 (OMP_SECTION_LAST): New.
8238 (OMP_RETURN_NOWAIT): New.
8240 2006-04-13 Roger Sayle <roger@eyesopen.com>
8242 * fold-const.c (native_encode_vector, native_interpret_real):
8243 Correct obvious mistakes in the previous check-in.
8245 2006-04-13 Roger Sayle <roger@eyesopen.com>
8247 * fold-const.c (native_encode_expr): New function to encode
8248 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8249 or VECTOR_CST into a specified buffer.
8250 (native_encode_int): New function.
8251 (native_encode_real): New function.
8252 (native_encode_complex): New function.
8253 (native_encode_vector): New function.
8254 (native_interpret_expr): Inverse of native_encode_expr to convert
8255 a target representation into an INTEGER_CST, REAL_CST etc...
8256 (native_interpret_int): New function.
8257 (native_interpret_real): New function.
8258 (native_interpret_complex): New function.
8259 (native_interpret_vector): New function.
8260 (fold_view_convert_expr): New function to constant fold/evaluate
8261 a VIEW_CONVERT_EXPR of a suitable constant expression.
8262 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8263 Change call of build1 to fold_build1 when constructing a
8266 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8267 Ulrich Weigand <uweigand@de.ibm.com>
8270 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8273 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8276 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8277 optimize to lo_sum for DFmode if !TARGET_FPRS.
8279 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8281 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8282 delete_alias_info, compute_flow_sensitive_aliasing,
8283 group_aliases): Use VEC instead of VARRAY.
8284 * tree-ssa-structalias.c (update_alias_info): Likewise.
8285 * tree-ssa-structalias.h (alias_info): Change the type of
8286 processed_ptrs to VEC(tree,heap) *.
8288 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8291 * config/sh/lib1funcs.h: New file, broken out of:
8292 * config/sh/lib1funcs.asm.
8293 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8295 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8296 * config/sh/lib1funcs-Os-4-200.asm: New file.
8297 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8298 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8299 (EXTRA_MULTILIB_PARTS): Include it.
8300 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8301 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8302 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8303 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8306 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8308 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8309 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8310 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8312 * tree-ssa-live.h: Include vecprim.h.
8313 (tree_partition_associator_d): Change the type of
8314 first_partition to VEC(int,heap) *.
8315 (tpa_first_partition): Use VEC instead of VARRAY.
8317 * Makefile.in (GTFILES): Move functions.h after tree.h.
8318 * function.c (reset_block_changes, record_block_change,
8319 check_block_change, free_block_changes): Use VEC instead of
8321 * function.h (function): Change the type of
8322 ib_boundaries_block to VEC(tree,gc) *.
8323 * tree-inline.c (copy_cfg_body): Initialize
8324 ib_boundaries_block to NULL instead of (varray_type) 0.
8326 2006-04-12 Roger Sayle <roger@eyesopen.com>
8328 * expr.c (emit_group_store): Correct operand order in call to
8329 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8330 a SUBREG_BYTE of zero.
8332 2006-04-12 Richard Guenther <rguenther@suse.de>
8334 * profile.c (compute_branch_probabilities): Remove code
8335 encapsulated in !ir_type (), which are remanents of the
8336 removed RTL profiling code.
8337 * rtl-profile.c: Remove.
8339 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8341 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8342 magic NULL_RTX comment.
8343 (function_arg): Store entire fp arg to mem if any part should go
8345 (rs6000_arg_partial_bytes): Adjust for above change.
8347 2006-04-11 Roger Sayle <roger@eyesopen.com>
8349 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8350 if it hasn't been initialized by dwarf2out_init.
8352 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8354 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8355 symbolic constants in branch patterns.
8357 2006-04-11 Roger Sayle <roger@eyesopen.com>
8359 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8361 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8363 PR rtl-optimization/27073
8364 * gcse.c (try_replace_reg): Revert last change. Continue to search
8365 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8368 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8370 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8371 aggregate types other than record and union types.
8372 (function_arg): Likewise.
8373 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8375 (function_value): In 64-bit mode, return objects that require it
8378 2006-04-11 Roger Sayle <roger@eyesopen.com>
8380 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8382 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8384 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8386 2006-04-03 Jeff Law <law@redhat.com>
8389 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8390 alias information too.
8392 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8394 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8396 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8399 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8400 (premark_used_types_helper): New.
8401 (premark_used_types): New.
8402 (gen_subprogram_die): Call premark_used_types.
8403 (prune_unused_types_walk): Do not prune perennial dies.
8404 * function.c (used_types_insert): New.
8405 * function.h (struct function): Add used_types_hash field.
8406 (used_types_insert): Add prototype.
8407 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8408 * c-parser.c (c_parser_cast_expression): Save casted types in used
8411 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8414 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8415 rs6000_explicit_options.float_gprs.
8417 2006-04-10 Roger Sayle <roger@eyesopen.com>
8419 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8420 from ix86_expand_vector_init_low_nonzero. Take an additional
8421 one_var argument indicating which element is non-zero. Support
8422 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8423 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8424 with one_var instead of ix86_expand_vector_init_low_nonzero.
8426 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8428 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8429 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8430 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8431 build/genextract.o): Depend on vecprim.h.
8432 * cfglayout.c, df-problems.c, function.c, genextract.c,
8433 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8434 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8438 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8440 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8441 Declare VECs of this type.
8442 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8443 (remove_children): Delete.
8444 (add_dwarf_attr): Use VEC routines.
8445 (add_AT_flag): Update for changes to add_dwarf_attr.
8446 (add_AT_int): Likewise.
8447 (add_AT_unsigned): Likewise.
8448 (add_AT_long_long): Likewise.
8449 (add_AT_vec): Likewise.
8450 (add_AT_string): Likewise.
8451 (add_AT_die_ref): Likewise.
8452 (add_AT_fde_ref): Likewise.
8453 (add_AT_loc): Likewise.
8454 (add_AT_loc_list): Likewise.
8455 (add_AT_addr): Likewise.
8456 (add_AT_lbl_id): Likewise.
8457 (add_AT_lineptr): Likewise.
8458 (add_AT_macptr): Likewise.
8459 (add_AT_offset): Likewise.
8460 (add_AT_range_list): Likewise.
8461 (get_AT): Use VEC_iterate.
8462 (remove_AT): Use VEC_ordered_remove.
8463 (free_die): Fold remove_children into here; have it use VEC_iterate.
8464 (print_die): Use VEC_iterate on attrs.
8465 (reverse_die_lists): Don't reverse attr lists.
8466 (die_checksum): Use VEC_iterate on attrs.
8467 (same_die_p): Likewise.
8468 (output_location_lists): Likewise.
8469 (build_abbrev_table): Likewise.
8470 (size_of_die): Likewise.
8471 (unmark_all_dies): Likewise.
8472 (output_abbrev_section): Likewise.
8473 (output_die): Likewise.
8474 (prune_unused_types_walk_attribs): Likewise.
8476 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8478 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8480 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8483 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8485 2006-04-09 Roger Sayle <roger@eyesopen.com>
8487 * expr.c (store_constructor): Don't bother clearing target if
8488 we're about to assign a vector to it using vec_init_optab.
8490 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8492 * tree-ssa-alias.c (lhs_may_store_to): New function.
8493 (recalculate_used_alone): Handle LHS of calls.
8495 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8499 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8500 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8501 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8502 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8503 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8504 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8505 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8506 stubs. Add ".align 8" directives before all ".dword" directives.
8507 (GTHREAD_USE_WEAK): Revise comment.
8508 (TARGET_ATTRIBUTE_WEAK): Define.
8509 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8510 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8511 * stublib.c: New file.
8516 * pa.md (cbranch patterns): Revise arguments used in calls to
8517 output_cbranch, output_bb and output_bvd. Add long branch length
8519 (fbranch patterns): Handle long branches.
8520 (jump): Revise length check. Revise arguments for output_lbranch call.
8521 Add long branch length attributes.
8522 (decrement_and_branch_until_zero): Add long branch length attributes.
8523 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8524 Likewise. Revise arguments for output_parallel_addb and
8525 output_parallel_movb calls.
8526 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8527 output_parallel_movb and output_parallel_addb): Update prototypes.
8528 * pa.c (output_cbranch): Revise arguments. Correct handling of
8529 nullification in long branches.
8530 (output_lbranch): Add new argument to control extraction of delay
8532 (output_bb): Handle long branches.
8533 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8534 output_parallel_addb): Likewise.
8536 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8538 PR rtl-optimization/27073
8539 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8542 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8544 * tree.h (tree_memory_tag): Add old_used_alone.
8545 (SMT_OLD_USED_ALONE): New macro.
8546 * tree-ssa-alias.c (recalculate_used_alone): Stop
8547 marking things for renaming unnecessarily.
8549 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8551 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8552 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8553 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8554 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8555 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8556 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8557 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8558 spelling convensions.
8559 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8560 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8561 typos. Follow spelling conventions.
8563 2006-04-07 DJ Delorie <dj@redhat.com>
8565 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8566 passed on the stack.
8567 (m32c_init_cumulative_args): When a function returns a structure,
8568 always pass the pointer to that return area on the stack.
8569 (m32c_function_arg_advance): Don't increment the parameter number
8570 if we're processing the returned structure pointer.
8571 (pushm_info): Reverse order of registers.
8573 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8575 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8576 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8577 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8578 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8580 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8581 chrec_fold_multiply): Same.
8582 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8583 force_expr_to_var_cost): Same.
8584 * tree-mudflap.c (mf_xform_derefs_1): Same.
8585 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8587 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8589 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8590 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8593 2006-04-07 Jan Hubicka <jh@suse.cz>
8595 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8597 2006-04-07 Richard Guenther <rguenther@suse.de>
8599 PR tree-optimization/26135
8600 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8601 loads for store copy-prop.
8602 (copy_prop_visit_stmt): Likewise.
8604 2006-04-05 Robert Millan <robertmh@gnu.org>
8606 * config/i386/linux.h: Add a comment to mark macros that are
8607 being overriden in config/k*bsd-gnu.h.
8608 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8610 * config/knetbsd-gnu.h: Ditto.
8612 2006-04-06 Jan Hubicka <jh@suse.cz>
8616 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8619 2006-04-06 Mike Stump <mrs@apple.com>
8621 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8622 for HAVE_nonlocal_goto to be consistent.
8623 (expand_builtin_nonlocal_goto): Likewise.
8624 (expand_builtin_strcmp): Use #ifdef instead of #if
8625 for HAVE_cmpstrnsi to be consistent.
8627 2006-04-05 DJ Delorie <dj@redhat.com>
8629 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8632 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8634 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8635 got-relative addressing for anything but SImode.
8637 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8638 even if the calling function doesn't modify them.
8640 2006-04-05 Richard Guenther <rguenther@suse.de>
8642 PR tree-optimization/26919
8643 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8644 to cgraph_estimate_size_after_inlining.
8646 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8648 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8650 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8652 PR tree-optimization/26996
8653 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8654 VECTOR_TYPE variables.
8656 2006-04-05 Richard Guenther <rguenther@suse.de>
8658 PR tree-optimization/26763
8659 * fold-const.c (fold_comparison): Move folding of
8660 PTR + CST CMP PTR + CST ...
8661 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8663 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8665 * doc/install.texi (Prerequisites): Refine some wording on
8666 bootstrapping and ksh.
8667 Move the version numbers of DejaGnu here from the testing section
8668 and fix casing of names.
8669 Fix markup and clarify wording for autogen requirements.
8670 Refer to GCJ instead of just java.
8671 Refer to SVN instead of CVS.
8672 Describe diffutils as useful instead of necessary.
8673 (Downloading the source): Refer to SVN instead of CVS.
8674 Adjust a link to our web site accordingly.
8675 (Configuration): Fix casing of Bison.
8676 (Building): Refer to SVN instead of CVS.
8677 Fix a sentence on the use of Bison and remove duplicate (and
8678 incorrect) version number of Bison requirement.
8679 Remove one redundant list of packages needed for building.
8680 (Specific): Avoid reference to CVS.
8682 2006-04-04 Eric Christopher <echristo@apple.com>
8684 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8685 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8686 (rs6000_handle_struct_attribute): New.
8687 (rs6000_ms_bitfield_layout_p): Ditto.
8689 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8691 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8692 NULL for dso parameter to atexit_common.
8694 2006-04-04 Eric Christopher <echristo@apple.com>
8696 * config/i386/i386.c (machopic_output_stub): Output \t
8697 between instructions and operands.
8699 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8701 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8702 satisfies_constraint_[IL] to explicit tests on value.
8704 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8706 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8707 set_nb_iterations_in_loop): Use build_int_cst instead of
8709 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8710 build_int_cst instead of convert.
8712 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8714 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8715 new value 2 for incoming.
8716 * function.c (expand_function_start): Call struct_value_rtx
8718 * config/sparc/sparc.md: Comment updated_return.
8719 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8720 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8721 struct return if sparc_std_struct_return and incoming is 2.
8722 (print_operand): Do not adjust return if
8723 sparc_std_struct_return.
8725 2006-04-04 Roger Sayle <roger@eyesopen.com>
8727 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8728 convert in the middle-end.
8729 * expr.c (store_expr, store_constructor, get_inner_reference,
8730 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8732 * tree.c (build_range_type): Likewise.
8734 2006-04-04 Tom Tromey <tromey@redhat.com>
8736 * doc/install.texi (Prerequisites): Mention jar.
8738 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8740 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8743 2006-04-04 Matthias Klose <doko@debian.org>
8745 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8749 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8752 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8754 * doc/extend.texi (Function Attributes): Rewrite visibility
8755 attribute documentation.
8756 * doc/invoke.texi (C++ Dialect Options): Rewrite
8757 -fvisibility-inlines-hidden documentation to describe something
8758 entirely different, although in practise compatible.
8759 (Code Gen Options): Warn about system headers in -fvisibility=
8762 * doc/extend.texi (Other Builtins): Document that
8763 __builtin_nan is a compile-time constant only when its argument
8766 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8768 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8769 trying to remove TRUNCATE check if all bits outside the new mode
8770 are identical to the sign bit.
8772 2006-04-03 Jeff Law <law@redhat.com>
8774 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8775 and operand scanning in some common cases.
8777 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8778 Dale Johannesen <dalej@apple.com>
8781 * regclass.c (struct reg_pref): Update documentation.
8782 (regclass): Set prefclass to NO_REGS if memory is the best option.
8783 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8784 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8785 into account. For non-registers, equate an empty preferred
8786 reload class to a `!' in the constraint; move the if clause to
8787 do so after those that reject the insn.
8788 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8790 (find_dummy_reload): Likewise.
8791 * doc/tm.texi (Register Classes): Document what it means
8792 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8793 * config/i386/i386.c (ix86_preferred_reload_class): Force
8794 using SSE registers (and return NO_REGS for floating-point
8795 constants) if math is done with SSE.
8796 (ix86_preferred_output_reload_class): New.
8797 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8798 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8799 * config/i386/i386.md: Remove # register preferences.
8801 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8804 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8805 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8806 the type of nb_iter.
8807 (instantiate_parameters_1): Convert the operands before calling
8808 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8809 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8811 2006-04-02 Roger Sayle <roger@eyesopen.com>
8813 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8814 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8816 * dojump.c (do_jump): Likewise.
8817 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8818 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8819 gimplify_boolean_expr): Likewise.
8820 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8821 * varasm.c (array_size_for_constructor): Likewise.
8822 * tree-object-size.c (compute_object_offset): Likewise.
8824 2006-04-02 Roger Sayle <roger@eyesopen.com>
8827 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8828 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8830 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8832 PR tree-optimization/26939
8833 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8835 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8837 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8838 at_stmt. Convert the type of operands before calling
8839 build_polynomial_chrec.
8840 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8842 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8843 (instantiate_parameters_1): Convert the type of operands before calling
8844 build_polynomial_chrec.
8845 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8846 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8847 reset_evolution_in_loop): Insert asserts to check the types of the
8849 (chrec_type): Moved...
8850 (eq_evolutions_p): Use operand_equal_p.
8851 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8852 the types of the operands.
8853 (chrec_type): ...here.
8854 * tree-data-ref.c (create_data_ref): Convert the operands before
8855 calling chrec_replace_initial_condition.
8856 (same_access_functions, analyze_subscript_affine_affine,
8857 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8858 (compute_subscript_distance, analyze_ziv_subscript,
8859 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8860 analyze_miv_subscript): Convert the operands before calling
8861 chrec_fold_minus or chrec_fold_plus.
8863 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8865 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8866 the dependence_relations vector.
8867 (compute_data_dependences_for_loop): Adjust call to
8868 compute_all_dependences.
8870 2006-04-01 Roger Sayle <roger@eyesopen.com>
8871 Richard Henderson <rth@redhat.com>
8873 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8874 gimple_boolify on the condition before calling gimplify_expr.
8876 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8878 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8879 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8880 the frame size. Update to use the new macros.
8881 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8882 * config/xtensa/ieee754-df.S: Likewise.
8884 2006-03-31 Richard Henderson <rth@redhat.com>
8886 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8887 (make_edges): ... here. Control fallthru creation with a local
8888 variable. Do not play with fake edges.
8889 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8890 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8893 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8895 * dwarf2.h (DW64_CIE_ID): Define.
8896 * dwarf2out.c (DWARF_CIE_ID): Define.
8897 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8898 length header. Use DWARF_CIE_ID.
8899 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8900 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8902 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8904 * config/sh/linux-atomic.asm: New file.
8905 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8907 2006-03-31 DJ Delorie <dj@redhat.com>
8909 * config/m32c/cond.md: Set condition flags properly throughout.
8910 * config/m32c/minmax.md: Likewise.
8911 * config/m32c/prologue.md: Likewise.
8912 * config/m32c/bitops.md: Likewise.
8913 * config/m32c/muldiv.md: Likewise.
8914 * config/m32c/mov.md: Likewise.
8915 * config/m32c/addsub.md: Likewise.
8916 * config/m32c/m32c.md: Likewise.
8917 * config/m32c/jump.md: Likewise.
8918 * config/m32c/shift.md: Likewise.
8920 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8921 conditionally output the pattern for this.
8922 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8923 (m32c_compare_redundant): New.
8924 (m32c_output_compare): New.
8925 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8927 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8928 dest, not src. Allow other 4-byte modes.
8930 2006-03-30 Denis Chertykov <denisc@overta.ru>
8932 * doc/md.texi: Refer to avr/constraints.md instead of
8935 2006-03-30 Roger Sayle <roger@eyesopen.com>
8937 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8938 signed vs. unsigned comparison failures on some hosts.
8940 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8943 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8944 change to FLOAT_REGS.
8946 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8947 (rs6000_override_options): Use it.
8948 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8949 only for -mabi=spe/no-spe and -mabi=altivec.
8951 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8953 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8956 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8958 * Makefile.in: Rename docdir to gcc_docdir.
8960 2006-03-30 Roger Sayle <roger@eyesopen.com>
8963 * expr.c (emit_group_store): Optimize group stores into a pseudo
8964 register by using a paradoxical subreg to initialize the destination
8965 if the first or last member of the group specifies a "low part".
8967 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8970 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8971 * target.h (struct gcc_target.speculate_insn): Change type of the
8972 second parameter to 'int'.
8973 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8974 the second operand of the DEPS_LIST.
8975 (copy_DEPS_LIST_list): Update reference to the second operand of the
8977 * rtl.h (alloc_DEPS_LIST): Update signature.
8978 * sched-int.h (ds_t): Change typedef to 'int'.
8979 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8981 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8983 * haifa-sched.c (try_ready): Change condition to restore
8984 non-speculative pattern of the instruction.
8985 (process_insn_depend_be_in_spec): Code to keep probability of the
8986 speculative dependence non-decreasing.
8988 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8990 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8991 (single_move_for_movmem): ... this. Also change all uses.
8992 (bfin_expand_strmov): Renamed to...
8993 (bfin_expand_movmem): ... this. Also change all uses.
8994 * config/bfin/bfin.md (movstrsi): Renamed to...
8995 (movstrsi): ...this.
8997 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8999 PR tree-optimization/26830
9001 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9002 (copy_prop_visit_stmt): Remove write-only variable ann.
9003 (init_copy_prop): Check variable loop depth here. Do not simulate
9004 memory-tag and virtual operand PHIs except for store copy prop.
9006 2006-03-30 Richard Guenther <rguenther@suse.de>
9008 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9009 variants with double arguments.
9011 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9013 * genpreds.c (write_tm_constrs_h): Delete variable p.
9014 * genconditions.c (write_header): Add tm-constrs.h to included
9016 * genpeep.c (main): Add toplev.h to included headers.
9017 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9018 (build/genpeep.o): Add toplev.h dependency.
9019 * config/rs6000/constraints.md: Add "W" constraint.
9021 2006-03-29 Roger Sayle <roger@eyesopen.com>
9023 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9024 sizes by correctly testing whether the size fits a host integer.
9025 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9026 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9027 SImode range for the default sizetype and bitsizetype.
9029 2006-03-29 Roger Sayle <roger@eyesopen.com>
9031 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9032 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9033 quickly if the argument is already of the correct type.
9034 Call fold_build1 instead of build1. Tidy up blank lines.
9036 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9038 * genemit.c (main): Add tm-constrs.h to included headers.
9039 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9040 * genpeep.c (main): Add tm-constrs.h to included headers.
9041 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9042 (write_tm_constrs_h): this and write complete file.
9043 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9044 (write_insn_preds_c): Add tm-constrs.h to included headers.
9045 (gen_constrs): New variable.
9046 (parse_option): Parse "-c".
9047 (main): Invoke write_tm_constrs_h.
9048 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9049 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9050 (object_out_file): Add tm-constrs.h dependency.
9051 (insn-emit.o): Same.
9052 (insn-output.o): Same.
9053 (insn-peep.o): Same.
9054 (insn-preds.o): Same.
9055 (insn-recog.o): Same.
9056 (tm-constsr.h): New target.
9057 (s-constrs-h): New target.
9059 * config/rs6000/constraints.md: New file.
9060 * config/rs6000/rs6000.c: Include tm-constrs.h.
9061 (num_insn_constant_wide): Convert to satisfies_constraint.
9062 (rs6000_rtx_costs): Convert to satisfies_constraint.
9063 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9064 (CONST_OK_FOR_LETTER_P): Delete.
9065 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9066 (EXTRA_CONSTRAINT): Delete.
9067 (EXTRA_MEMORY_CONSTRAINT): Delete.
9068 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9069 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9070 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9071 satisfies_constraint.
9073 * config/i386/i386.c: Include tm-constrs.h.
9075 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9077 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9078 * tree-data-ref.c (find_data_references_in_loop,
9079 compute_data_dependences_for_loop): Use pointers to VEC.
9080 (analyze_all_data_dependences): Adjust calls.
9081 * tree-data-ref.h (find_data_references_in_loop,
9082 compute_data_dependences_for_loop): Adjust declarations.
9083 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9084 compute_data_dependences_for_loop.
9086 2006-03-29 Paul Brook <paul@codesourcery.com>
9088 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9091 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9093 PR tree-optimization/26859
9094 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9096 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9097 for the step after fold_convert.
9099 2006-03-29 Paul Brook <paul@codesourcery.com>
9101 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9102 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9104 2006-03-29 Paul Brook <paul@codesourcery.com>
9107 * targhooks.c (default_narrow_bitfield): New fuction.
9108 * targhooks.h (default_narrow_bitfield): add prototype.
9109 * target.h (gcc_target): Add narrow_volatile_bitfield.
9110 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9111 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9112 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9113 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9115 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9117 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9119 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9120 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9121 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9122 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9123 (s390_function_arg_float): Allow SDmode and DDmode values to be
9124 passed in floating point registers.
9125 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9126 check with SCALAR_FLOAT_MODE_P.
9127 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9129 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9131 PR tree-optimization/25985
9132 * tree-ssa-loop-niter.c (number_of_iterations_le,
9133 number_of_iterations_ne): Make comments more precise.
9134 (number_of_iterations_cond): Add only_exit argument. Use the
9135 fact that signed variables do not overflow only when only_exit
9137 (loop_only_exit_p): New.
9138 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9139 number_of_iterations_cond.
9141 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9143 PR tree-optimization/26643
9144 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9147 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9149 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9150 (divsi3_i4_int): Likewise.
9152 2006-03-28 Roger Sayle <roger@eyesopen.com>
9154 * expr.c (emit_group_store): Only create a new pseudo reg if the
9155 quantity it needs to hold isn't already a suitable pseudo.
9157 2006-03-28 Jeff Law <law@redhat.com>
9159 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9160 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9162 2006-03-28 Roger Sayle <roger@eyesopen.com>
9164 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9165 the equivalent ~X & Y, and the symmetry related transformations.
9166 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9167 ~X & Y, and symmetry related transforms.
9169 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9171 Revert my 2006-03-27 patches.
9173 2006-03-28 Roger Sayle <roger@eyesopen.com>
9175 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9176 ~(T1)X, when T1 and T2 are integer types of the same precision
9177 and (T2)X isn't an extension.
9179 2006-03-28 Jeff Law <law@redhat.com>
9181 PR tree-optimization/26796
9182 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9183 need EH edge cleanups rather than purging them immediately.
9184 (eliminate_degenerate_phis): Handle queued EH cleanups.
9186 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9188 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9191 2006-03-27 Roger Sayle <roger@eyesopen.com>
9194 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9195 cast BIT_NOT_EXPR operand to the correct type.
9197 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9199 * tree-loop-linear.c: Don't include varray.h.
9200 (gather_interchange_stats, try_interchange_loops,
9201 linear_transform_loops): Use VEC instead of VARRAY.
9202 * lambda-mat.c: Don't include varray.h.
9203 * tree-chrec.c: Same.
9204 * lambda-trans.c: Same.
9205 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9206 VEC instead of VARRAY.
9207 * tree-vectorizer.h: Idem.
9208 * tree-data-ref.c (dump_data_references,
9209 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9210 initialize_data_dependence_relation, finalize_ddr_dependent,
9211 compute_all_dependences, find_data_references_in_loop,
9212 compute_data_dependences_for_loop, analyze_all_data_dependences,
9213 free_dependence_relation, free_dependence_relations,
9214 free_data_refs): Idem.
9215 * tree-data-ref.h (data_reference_p, subscript_p): New.
9216 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9217 VEC instead of VARRAY.
9218 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9219 (find_data_references_in_loop, compute_data_dependences_for_loop,
9220 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9221 dump_data_dependence_relations, free_dependence_relations,
9222 free_data_refs): Adjust declaration.
9223 (lambda_transform_legal_p): Move declaration here...
9224 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9225 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9226 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9227 vect_analyze_data_refs): Use VEC instead of VARRAY.
9228 * lambda.h (lambda_transform_legal_p): ...from here.
9229 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9230 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9231 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9232 tree-chrec.o): Don't depend on VARRAY_H.
9234 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9236 * rtl.def (Copyright): Update date.
9237 (DEPS_LIST): Change type of the second operand to 'int'.
9238 * target.h (Copyright): Update date.
9239 (struct gcc_target.speculate_insn): Change type of the second parameter
9241 * lists.c (Copyright): Update date.
9242 (alloc_DEPS_LIST): Change signature. Update reference to the second
9243 operand of the DEPS_LIST.
9244 (copy_DEPS_LIST_list): Update reference to the second operand of the
9246 * rtl.h (Copyright): Update date.
9247 (alloc_DEPS_LIST): Update signature.
9248 * sched-int.h (Copyright): Update date.
9249 (ds_t): Change typedef to 'int'.
9250 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9252 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9254 * haifa-sched.c (Copyright): Update date.
9255 (try_ready): Change condition to restore non-speculative pattern
9257 (process_insn_depend_be_in_spec): Code to keep probability of the
9258 speculative dependence non-decreasing.
9260 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9262 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9263 shut up the compiler.
9265 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9267 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9268 to use lib prefix for target.
9269 ($(T)libic_invalidate_array_4-200.a): Likewise.
9270 ($(T)libic_invalidate_array_4a.a): Likewise.
9272 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9273 J"orn Rennecke <joern.rennecke@st.com>
9275 * superh.opt: New file.
9276 * sh.c (boardtype, osruntime): Remove.
9277 * superh.h (SUBTARGET_OPTIONS): Remove.
9278 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9280 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9281 arguments with ^ and/or [].
9283 * config.gcc (sh-*-*): Add quoting to account for quirk of
9285 Replace == with = in enable_incomplete_targets test.
9287 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9288 with MASK_LITTLE_ENDIAN.
9290 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9291 * config/sh/sh.opt: Added to some comments.
9292 * config/sh/superh.h: Removed some chaff.
9294 * config/sh/sh.opt: Add m4-[1234]00* options.
9295 * config/sh/sh.c (sh_handle_option): Likewise.
9296 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9297 (ic_invalidate_array_4-100.o): New rule.
9298 ($(T)libic_invalidate_array_4-100.a): Likewise.
9299 (ic_invalidate_array_4-200.o): Likewise.
9300 ($(T)libic_invalidate_array_4-200.a): Likewise.
9301 (ic_invalidate_array_4a.o): Likewise.
9302 ($(T)libic_invalidate_array_4a.a): Likewise.
9303 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9304 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9306 * config/sh/crt1.asm: Merged in profiling code.
9307 * config/sh/superh.h (STARTFILE_SPEC): Override.
9308 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9309 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9310 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9312 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9313 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9314 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9316 * sh.opt (mpretend-cmove): New option.
9317 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9318 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9319 (movsicc): Add TARGET_PRETEND_CMOVE code.
9321 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9323 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9324 s390_class_max_nregs): New function prototypes.
9325 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9326 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9327 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9328 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9330 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9332 * dwarf2out.c (add_location_or_const_value_attribute): Call
9333 tree_add_const_value_attribute if nothing else works.
9334 (reference_to_unused): New.
9335 (rtl_for_decl_init): Use reference_to_unused to decide whether
9336 to output an initializer.
9338 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9341 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9342 peephole removing spe frob_di_df_2.
9344 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9346 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9347 (subscript_dependence_tester_1): Declared.
9348 (print_dir_vectors, print_dist_vectors): New.
9349 (debug_data_dependence_relation): New.
9350 (dump_data_dependence_relation): Print more details.
9351 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9352 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9353 (save_dist_v, save_dir_v, add_outer_distances,
9354 build_classic_dist_vector_1): New.
9355 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9356 Don't test for lambda_vector_lexico_pos.
9357 (same_access_functions, add_multivariate_self_dist,
9358 add_other_self_distances, dir_from_dist): New.
9359 (build_classic_dir_vector): Replace implementation almost identical to
9360 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9362 (subscript_dependence_tester_1): New.
9363 (subscript_dependence_tester): Handle the lexicographically negative
9364 distance vectors by recomputing the dependence relation.
9365 (compute_affine_dependence): Remove parameter loop_nest_depth.
9366 (compute_self_dependence): Don't call compute_subscript_distance.
9367 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9368 Add a parameter for the loop_nest.
9369 (find_loop_nest_1, find_loop_nest): New.
9370 (compute_data_dependences_for_loop): Compute the loop nest, and give
9371 up if the nest is not well formed.
9372 * tree-data-ref.h (loop_p): New.
9373 (struct data_dependence_relation): Replace size_vect field with
9374 loop_nest, a vec of loops.
9375 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9376 (DDR_LOOP_NEST): New.
9377 (print_dir_vectors, print_dist_vectors,
9378 debug_data_dependence_relation): Declared.
9379 (index_in_loop_nest): New.
9380 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9381 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9384 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9386 * simplify-rtx.c (simplify_relational_operation): Call
9387 simplify_relational_operation_1 even if mode is VOIDmode.
9389 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9391 PR tree-optimization/26804
9392 * tree.h (DECL_CALL_CLOBBERED): New macro.
9393 (tree_decl_common): Add call_clobbered_flag.
9394 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9395 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9396 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9397 (mark_non_addressable): Ditto.
9398 * tree-ssa.c (verify_call_clobbered): New function.
9399 (verify_alias_info): Use it.
9400 * tree-pass.h (pass_reset_cc_flags): New prototype.
9401 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9402 (reset_cc_flags): New function.
9403 * passes.c (init_optimization_passes): Call reset_cc_flags after
9404 initializing referenced_vars.
9406 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9407 Roger Sayle <roger@eyesopen.com>
9410 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9411 to 1.0 for non-real operands. Implement A / A optimization for
9414 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9416 * config/i386/i386.c (size_cost): Correct the comment for
9417 cost of storing fp registers.
9418 (i386_cost): Likewise.
9419 (i486_cost): Likewise.
9420 (pentium_cost): Likewise.
9421 (pentiumpro_cost): Likewise.
9422 (k6_cost): Likewise.
9423 (athlon_cost): Likewise.
9424 (k8_cost): Likewise.
9425 (pentium4_cost): Likewise.
9426 (nocona_cost): Likewise.
9427 (generic64_cost): Likewise.
9428 (generic32_cost): Likewise.
9430 2006-03-24 Denis Chertykov <denisc@overta.ru>
9432 * config/avr/avr-protos.h (extra_constraint): Delete.
9433 (extra_constraint_Q): New declaration.
9434 * config/avr/constraints.md: New file.
9435 * config/avr/avr.md: Include it.
9436 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9437 (TMP_REGNO, ZERO_REGNO): Likewise.
9438 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9439 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9440 (extra_constraint): Delete.
9441 (extra_constraint_Q): Test for memory constraint 'Q'.
9442 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9443 (REG_CLASS_FROM_LETTER): Delete.
9444 (CONST_OK_FOR_LETTER_P): Delete.
9445 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9446 (EXTRA_CONSTRAINT): Delete.
9447 (TMP_REGNO): Delete.
9448 (ZERO_REGNO): Delete.
9450 2006-03-24 Jeff Law <law@redhat.com>
9452 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9453 directly. Call mark_new_vars_to_rename slightly earlier.
9455 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9457 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9459 (gen_compile_unit_die): Use new language types for Objective-C and
9461 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9462 DW_LANG_C_plus_plus.
9465 * config/t-darwin (crt3.o): Work around bug 26840.
9466 * config/darwin-crt3.c: Rewrite.
9467 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9469 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9471 * doc/invoke.texi: Document -femit-class-debug-always
9472 * common.opt: Add -femit-class-debug-always.
9474 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9476 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9477 index and base register.
9478 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9479 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9480 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9481 REGNO_OK_FOR_INDEX_P.
9482 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9484 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9485 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9486 REG_OK_FOR_BASE_P): Definitions removed.
9488 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9491 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9492 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9493 set yet or weren't marked as local yet.
9495 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9497 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9500 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9502 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9503 (rs6000_legitimate_small_data_p): Delete.
9504 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9505 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9506 and make static. Add forward declaration. Update uses.
9507 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9508 of offsettable_memref_p.
9509 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9510 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9512 2006-03-24 Jeff Law <law@redhat.com>
9514 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9515 around bug in immediate-use iterator.
9517 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9520 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9521 or __LITTLE_ENDIAN__.
9523 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9525 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9526 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9527 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9528 * config/sh/sh.opt (mdiv=): Amend description.
9529 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9530 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9531 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9532 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9533 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9534 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9535 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9536 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9537 TARGET_DIVIDE_CALL_FP.
9539 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9541 * haifa-sched.c (choose_ready): Fix type of the local variable.
9542 Move local variables. Add comment.
9543 (check_reg_live): Change signature. Make callable from debugger.
9544 * sched-int.h (check_reg_live): Update signature.
9545 * sched-ebb.c (check_reg_live): Update parameters.
9546 * sched-rgn.c (check_reg_live): Ditto.
9547 (region_head_or_leaf_p): Check pointer before dereferencing.
9548 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9549 before reload on optimization levels below 1.
9551 2006-03-23 Richard Henderson <rth@redhat.com>
9553 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9557 * config/alpha/predicates.md (local_symbolic_operand): Reject
9560 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9563 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9564 expressions which have overflowed constants.
9566 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9568 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9570 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9572 * cfgloopmanip.c (create_loop_notes): Removed.
9573 * final.c (final_scan_insn): Do not handle loop notes.
9574 * jump.c (squeeze_notes): Ditto.
9575 * cfglayout.c (skip_insns_after_block,
9576 duplicate_insn_chain): Ditto.
9577 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9579 * cfgloop.h (create_loop_notes): Declaration removed.
9581 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9583 * varasm.c (output_constant_pool): Restore fnname and fndecl
9585 (assemble_start_function): Adjust call accordingly.
9586 (assemble_end_function): Likewise.
9588 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9591 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9594 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9596 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9599 * system.h (ICE_EXIT_CODE): New macro.
9600 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9601 (diagnostic_action_after_output): Likewise.
9602 * gcc.c (fatal_ice): New function.
9603 (execute): Use it instead of fatal.
9604 (fancy_abort): Likewise.
9605 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9607 2006-03-22 Jeff Law <law@redhat.com>
9609 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9610 iv_analyze_result returning false.
9612 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9614 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9616 2006-03-22 Richard Henderson <rth@redhat.com>
9619 * except.c (duplicate_eh_regions_0): New.
9620 (duplicate_eh_region_1): Duplicate the children of the node as
9621 well as the node itself. Link them up properly.
9622 (duplicate_eh_region_2): Merge into ...
9623 (duplicate_eh_regions): ... here. Take copy_region argument, and
9624 copy only a sub-tree if asked. Simplify copying and fixup.
9625 (eh_region_outer_p): New.
9626 * except.h (duplicate_eh_regions): Update decl.
9627 (eh_region_outer_p): Declare.
9628 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9629 (lower_omp_master): Likewise.
9630 (lower_omp_ordered): Likewise.
9631 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9632 (move_stmt_r): Use it to remap labels. Handle recursion vs
9633 remap_decls_p properly.
9634 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9635 (find_outermost_region_in_block): New.
9636 (new_label_mapper): New.
9637 (move_sese_region_to_fn): Copy eh information to the new function
9639 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9641 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9644 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9646 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9647 into shared libraries.
9649 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9651 * doc/md.texi: Refer to i386/constraints.md instead of
9653 * config/i386/constraints.md: New file, extracted from...
9654 * config/i386/predicates.md: ...here.
9655 * config/i386/i386.md: Include constraints.md.
9657 2006-03-21 Jason Merrill <jason@redhat.com>
9659 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9662 * expr.c (init_block_move_fn): Force default visibility.
9663 (init_block_clear_fn): Likewise.
9664 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9665 * targhooks.c (default_external_stack_protect_fail): Likewise.
9667 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9669 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9670 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9671 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9672 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9673 (loadgp): Use mips_current_loadgp_style.
9674 (loadgp_noshared): New pattern.
9675 (sibcall_internal): Use MIPS_CALL.
9676 (sibcall_value_internal): Likewise.
9677 (sibcall_value_multiple_internal): Likewise.
9678 (call_internal): Likewise.
9679 (call_value_internal): Likewise.
9680 (call_value_multiple_internal): Likewise.
9681 (call_split): Use MIPS_CALL and add an 'S' constraint.
9682 (call_value_split): Likewise.
9683 (call_value_multiple_split): Likewise.
9684 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9685 (-mshared): New option.
9686 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9687 (mips_current_loadgp_style): Declare.
9688 * config/mips/mips.c (mips_classify_symbol): Avoid using
9689 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9690 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9691 TARGET_ABSOLUTE_ABICALLS.
9692 (override_options): Adjust comments. Improve the warning that is
9693 issued when -mabicalls and -G are used together.
9694 (mips_file_start): Remove comment.
9695 (mips_current_loadgp_style): New function.
9696 (mips_gnu_local_gp): New variable.
9697 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9699 (mips_output_function_prologue): Use mips_current_laodgp_style.
9700 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9701 the cprestore instruction.
9702 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9703 live for TARGET_ABSOLUTE_ABICALLS.
9704 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9705 (ASM_SPEC): Pass down -mshared and -mno-shared.
9706 (MIPS_CALL): New macro.
9707 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9709 * doc/invoke.texi (-mabicalls): Update documentation.
9710 (-mshared): Document.
9712 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9714 * config/ia64/unwind-hpux.c: New file.
9715 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9717 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9720 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9722 2006-03-21 Jeff Law <law@redhat.com>
9724 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9725 type conversions of a VR_VARYING source to a wider type.
9727 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9729 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9730 tm_file on Solaris 10 and later.
9731 (sparc64-*-solaris2*): Likewise.
9732 (sparc-*-solaris2*): Likewise.
9733 * config/sol26.h: Rename to config/sol2-6.h.
9734 * config/sol2-10.h: New file.
9736 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9739 * tree-ssa-pre.c (create_component_ref_by_pieces):
9742 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9745 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9746 return it immediately.
9748 2006-03-21 Michael Matz <matz@suse.de>
9750 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9752 (remove_arc, add_arc): Update num_out_arcs member.
9753 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9755 (cache_presence): New function.
9756 (compare_states_for_equiv): New function.
9757 (state_is_differed): Don't take number of outargs, adjust callers.
9758 Use new invariant for speeding up.
9759 (init_equiv_class): Create initial classes based on sorted
9761 (partition_equiv_class): Don't track out_arcs_num.
9762 (evaluate_equiv_classes): Call cache_presence on all states and
9765 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9767 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9768 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9769 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9770 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9772 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9773 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9774 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9775 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9776 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9778 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9779 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9780 (REGNO_REG_CLASS): ARGP is in PREGS.
9781 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9783 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9784 to deal with those addresses.
9785 * addresses.h: New file.
9786 * caller-save.c: Include "addresses.h".
9787 (init_caller_save): Use new base_reg_class function.
9788 * rtl-factoring.c: Include "addresses.h".
9789 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9790 * recog.c: Include "addresses.h".
9791 (preprocess_constraints): Use new base_reg_class function.
9792 * regrename.c: Include "addresses.h".
9793 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9794 functions. Keep track of a new var INDEX_CODE to compute valid
9796 (replace_oldest_value_addr): Likewise.
9797 (replace_oldest_value_mem): Use base_reg_class.
9798 * reload.c: Include "addresses.h".
9799 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9800 (find_reloads): Use new base_reg_class function.
9801 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9802 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9803 all callers and prototype changed.
9804 * reload1.c: Include "addresses.h".
9805 (maybe_fix_stack_asms): Use base_reg_class.
9806 * regclass.c: Include "addresses.h".
9807 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9808 (init_reg_autoinc): Use new base_reg_class function.
9809 (record_reg_classes): Likewise.
9810 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9811 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9812 Use new args to compute necessary class.
9814 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9815 regrename.o, rtl-factoring.o): Update dependencies.
9816 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9817 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9818 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9819 REG_OK_FOR_INDEX_P): Delete documentation.
9821 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9823 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9824 from V7 to V9 for Solaris 7 and above.
9826 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9828 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9829 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9830 argument pointers may not alias any other storage.
9831 * common.opt: Define option -fargument-noalias-anything.
9832 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9833 alias semantics is specified by flag_argument_noalias > 2.
9835 2006-03-20 Jeff Law <law@redhat.com>
9837 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9838 (pass_phi_only_cprop): Declare.
9839 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9841 * tree-ssa-dom.c (degenerate_phi_result): New function.
9842 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9843 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9844 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9845 (eliminate_degenerate_phis): Likewise.
9846 (pass_phi_only_cprop): New pass descriptor.
9847 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9848 support code. Callers updated.
9849 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9850 (store_copy_prop): Likewise.
9851 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9853 2006-03-20 Jason Merrill <jason@redhat.com>
9856 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9857 (push_visibility, pop_visibility): Likewise.
9858 * c-pragma.h: Declare them.
9860 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9862 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9864 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9865 parameter and use get_ebb_head_tail.
9866 (sh_md_init_global): Adjust uses of find_regmode_weight.
9868 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9870 * function.h (struct function) <x_tail_recursion_reentry>:
9871 Rename to x_stack_check_probe_note.
9872 (tail_recursion_reentry): Rename to stack_check_probe_note.
9873 * function.c: Replace tail_recursion_reentry with
9874 stack_check_probe_note everywhere.
9875 (expand_function_start): Only emit a note for
9876 stack_check_probe_note with -fstack-protect.
9877 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9879 * emit-rtl.c (remove_unnecessary_notes): Remove.
9880 (pass_remove_unnecessary_notes): Remove.
9881 * rtl.h (remove_unnecessary_notes): Remove prototype.
9882 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9883 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9884 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9886 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9889 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9890 (valid_in_set): Handle ARRAY_REF.
9891 Change "if min_variant or VH" to asserts.
9892 (create_component_ref_by_pieces): Handle ARRAY_REF.
9893 (create_expression_by_pieces): Likewise.
9894 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9896 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9898 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9899 is operand of switch, not str[0].
9901 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9903 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9904 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9906 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9908 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9909 end of insn_extra_address_constraint declaration.
9911 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9913 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9914 (no-sum-in-toc): Same.
9915 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9917 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9918 NO_FP_IN_TOC for -fPIC instead of mask.
9920 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9921 (BOOT_LDFLAGS): Delete.
9923 * config/rs6000/t-aix52: Same.
9925 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9926 (stmsi[345678]_power): New.
9928 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9930 * config/ia64/ia64.opt: Add empty line to end of file.
9932 2006-03-17 Richard Guenther <rguenther@suse.de>
9935 * builtins.c (get_pointer_alignment): For component style references
9936 adjust alignment to the component type alignment. Make sure
9937 to adjust alignment for component access of constants.
9939 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9941 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9944 2006-03-17 Paul Brook <paul@codesourcery.com>
9946 * doc/install.texi: Docuemnt --with-mode.
9947 * config.gcc: Add --with-mode for arm*-*-*.
9948 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9950 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9952 * sh.c (max_labelno_before_reorg): New variable.
9953 (sh_reorg): Initialize it.
9954 (find_barrier): Check max_labelno_before_reorg before using
9955 label_to_alignment. Take length of explicit alignment insns
9956 into account. When seeing a UNSPECV_CONST_END, return it.
9958 * sh.c (fixup_mova): Set mode of affected label to QImode.
9959 (untangle_mova): New function.
9960 (find_barrier): Use it. Check mode of label before decrementing
9962 (sh_reorg): Likewise.
9963 Set mode of all insns back to VOIDmode.
9965 * sh.c (MOVA_LABELREF): New macro.
9966 (mova_p, fixup_mova, sh_reorg): Use it.
9967 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9968 ADDR_DIFF_VEC matches mova.
9970 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9972 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9973 with ATTRIBUTE_UNUSED.
9975 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9977 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9978 pointer, instead of assuming it is possible to derive the
9979 correct args size from a call insn.
9981 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9983 * rtl.h (CONST_INT_P): Define.
9984 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9985 instead of GET_CODE(x) == CONST_INT.
9986 (vax_rtx_costs): Likewise.
9987 (vax_output_int_move): Likewise.
9988 (vax_output_int_add): Likewise.
9989 (legitimate_constant_address_p): Likewise.
9990 (index_term_p): Likewise.
9991 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9992 * config/vax/vax.md (and<mode>3): Likewise.
9993 (ashrsi3): Likewise.
9995 (movstricthi): Likewise.
9996 (movstrictqi): Likewise.
9997 (rotrsi3): Likewise.
9998 (five unnamed insns): Likewise.
10000 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10002 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10003 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10004 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10005 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10006 Pass to ASM_OUTPUT_DWARF_OFFSET.
10007 * dwarf2out.c (debug_frame_section): New.
10008 (output_call_frame_info): Use debug_frame_section. Pass it to
10009 dw2_asm_output_offset.
10010 (output_die): Pass appropriate section to dw2_asm_output_offset.
10011 (output_compilation_unit_header): Likewise.
10012 (output_pubnames): Likewise.
10013 (output_aranges): Likewise.
10014 (enum dw_val_class): Break dw_val_class_lbl_offset into
10015 dw_val_class_lineptr and dw_val_class_macptr.
10016 (add_AT_lbl_offset): Delete.
10017 (add_AT_lineptr): New.
10018 (add_AT_macptr): New.
10019 (AT_lbl): Expect a lineptr or macptr.
10020 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10021 (attr_checksum): Likewise.
10022 (same_dw_val_p): Likewise.
10023 (size_of_die): Likewise.
10024 (value_format): Likewise.
10025 (output_die): Likewise.
10026 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10028 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10029 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10030 * config/darwin-protos.h (darwin_file_start): New.
10031 (darwin_asm_output_dwarf_offset): New.
10032 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10033 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10035 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10036 if not EH section; simplify.
10037 (darwin_file_start): New.
10038 (darwin_asm_output_dwarf_offset): New.
10039 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10041 (DEBUG_INFO_SECTION): Likewise.
10042 (DEBUG_ABBREV_SECTION): Likewise.
10043 (DEBUG_ARANGES_SECTION): Likewise.
10044 (DEBUG_MACINFO_SECTION): Likewise.
10045 (DEBUG_LINE_SECTION): Likewise.
10046 (DEBUG_LOC_SECTION): Likewise.
10047 (DEBUG_PUBNAMES_SECTION): Likewise.
10048 (DEBUG_STR_SECTION): Likewise.
10049 (DEBUG_RANGES_SECTION): Likewise.
10050 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10051 (ASM_OUTPUT_DWARF_OFFSET): New.
10053 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10055 * config.gcc (tm_defines): Always add to previous value rather
10058 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10060 * config/mips/predicates.md (splittable_const_int_operand): New,
10061 split from move_operand.
10062 (splittable_symbolic_operand): New.
10063 (move_operand): Add commentary. Use splittable_const_int_operand.
10064 Inline mips_atomic_symbolic_constant_p.
10065 * config/mips/mips.md: Add combine splitters for handling moves
10066 of splittable_const_int_operands and splittable_symbolic_operands.
10067 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10068 (mips_split_symbol): Declare.
10069 (mips_move_integer): Declare.
10070 * config/mips/mips.c (mips_split_p): Make global.
10071 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10072 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10073 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10074 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10075 (mips_offset_within_object_p): Handle block symbols.
10076 (mips_atomic_symbolic_constant_p): Delete.
10077 (mips_cannot_force_const_mem): Return false for constants that
10078 mips_legitimize_move can handle.
10079 (mips_use_blocks_for_constant_p): New function.
10080 (mips_split_symbol): Make global.
10081 (mips_move_integer): Likewise. Add a temporary register argument.
10082 (mips_legitimize_const_move): Use splittable_const_int_operand and
10083 splittable_symbolic_operand.
10084 (mips_use_anchors_for_symbol_p): New function.
10085 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10086 (mips_split_p): Declare.
10088 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10090 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10091 (mips*-*-linux*): Likewise.
10093 2006-03-16 Roger Sayle <roger@eyesopen.com>
10094 Daniel Speyer <dspeyer@wam.umd.edu>
10096 PR middle-end/18259
10097 * tree-dump.c (dump_real): New function.
10098 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10099 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10100 (tree-dump.o): Add $(REAL_H) to the dependencies.
10102 2006-03-16 Roger Sayle <roger@eyesopen.com>
10104 PR middle-end/21781
10105 * real.c (real_from_string): If the mantissa is zero, don't bother
10106 parsing the exponent as the result should always be zero.
10108 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10110 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10112 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10114 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10115 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10116 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10117 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10118 ia64_sched_finish_global): New static functions to implement
10119 hooks from gcc_target.sched.
10120 (spec_check_no, max_uid, pending_data_specs): New static variables.
10121 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10122 ia64_spec_check_src_p): New static functions.
10123 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10124 (TARGET_SCHED_ADJUST_COST): Removed.
10125 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10126 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10127 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10128 TARGET_SCHED_GEN_CHECK,
10129 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10130 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10131 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10132 Fixed to handle speculation checks.
10133 (rtx_needs_barrier): Fixed to handle speculative loads and
10135 (ia64_variable_issue): Added code to count speculative loads and their
10137 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10139 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10141 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10143 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10144 (ia64_reorg): Reset stops_p to NULL after it is freed.
10145 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10146 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10147 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10149 (data_speculative, control_speculative, check_load): New attributes.
10150 (mov<mode>_advanced, mov<mode>_speculative,
10151 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10152 zero_extend<mode>di2_speculative,
10153 zero_extend<mode>di2_speculative_advanced): New patterns for
10154 data and control speculative loads.
10155 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10157 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10158 New pattern for data and control speculation checks.
10159 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10160 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10161 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10162 Auxiliary definitions for the patterns.
10163 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10164 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10166 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10168 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10169 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10170 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10171 New resource constraints.
10172 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10174 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10175 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10176 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10177 msched-in-control-spec, msched-ldc, msched-control-ldc,
10178 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10179 msched-prefer-non-control-spec-insns,
10180 msched-count-spec-in-critical-path): New flags to tune speculative
10182 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10183 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10184 msched-in-control-spec, msched-ldc, msched-control-ldc,
10185 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10186 msched-prefer-non-control-spec-insns,
10187 msched-count-spec-in-critical-path): Document new flags.
10189 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10191 * target.h (struct spec_info_def): New opaque declaration.
10192 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10193 speculate_insn, needs_block_p, gen_check,
10194 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10195 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10196 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10197 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10198 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10199 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10201 (TARGET_SCHED): Use new macros.
10202 * rtl.h (copy_DEPS_LIST_list): New prototype.
10203 * sched-int.h (struct sched_info): Change signature of new_ready field,
10204 adjust all initializations. New fields: add_remove_insn,
10205 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10206 region_head_or_leaf_p.
10207 (struct spec_info_def): New structure declaration.
10208 (spec_info_t): New typedef.
10209 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10210 recovery_block, orig_pat.
10211 (glat_start, glat_end): New variables declaraions.
10212 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10214 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10215 DETACH_LIFE_INFO, USE_GLAT.
10216 (enum SPEC_SCHED_FLAGS): New enumeration.
10217 (NOTE_NOTE_BB_P): New macro.
10218 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10219 attach_life_info, debug_spec_status, check_reg_live): New functions.
10220 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10221 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10223 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10224 * ddg.c (get_block_head_tail): Adjust all uses.
10225 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10226 (sms_sched_info): Initialize new fields.
10227 (contributes_to_priority): Removed.
10228 * haifa-sched.c (params.h): New include.
10229 (get_block_head_tail): Adjust all uses.
10230 (ISSUE_POINTS): New macro.
10231 (glat_start, glat_end): New global variables.
10232 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10233 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10234 old_last_basic_block, before_recovery, current_sched_info_var,
10235 rgn_n_insns, luid): New static variables.
10236 (insn_cost1): New function. Move logic from insn_cost to here.
10237 (find_insn_reg_weight1): New function. Move logic from
10238 find_insn_reg_weight to here.
10239 (reemit_notes, move_insn, max_issue): Change signature.
10240 (move_insn1): Removed.
10241 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10242 extend_bb): New static functions to support extension of scheduler's
10244 (generate_recovery_code, process_insn_depend_be_in_spec,
10245 begin_speculative_block, add_to_speculative_block,
10246 init_before_recovery, create_recovery_block, create_check_block_twin,
10247 fix_recovery_deps): New static functions to support
10248 generation of recovery code.
10249 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10250 restore_bb_notes, move_block_after_check, move_succs): New static
10251 functions to support ebb scheduling.
10252 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10253 functions to support handling of register live information.
10254 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10255 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10256 add_jump_dependencies): New static functions.
10257 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10258 consistancy checking.
10259 (debug_spec_status): New function to call from debugger.
10260 (priority): Added code to handle speculation checks.
10261 (rank_for_schedule): Added code to distinguish speculative instructions.
10262 (schedule_insn): Added code to handle speculation checks.
10263 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10264 Fixed to handle ebbs.
10265 (move_insn): Added code to handle ebb scheduling.
10266 (max_issue): Added code to use ISSUE_POINTS of instructions.
10267 (choose_ready): Added code to choose between speculative and
10268 non-speculative instructions.
10269 (schedule_block): Added code to handle ebb scheduling and scheduling of
10270 speculative instructions.
10271 (sched_init): Initialize new variables.
10272 (sched_finish): Free new variables. Print statistics.
10273 (try_ready): Added code to handle speculative instructions.
10274 * lists.c (copy_DEPS_LIST_list): New function.
10275 * sched-deps.c (extend_dependency_caches): New function. Move logic
10276 from create_dependency_caches to here.
10277 (get_dep_weak, ds_merge): Make global.
10278 * genattr.c (main): Code to output prototype for
10279 dfa_clear_single_insn_cache.
10280 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10281 (output_dfa_clean_insn_cache_func): Code to output
10282 dfa_clear_single_insn_cache function.
10283 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10285 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10287 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10288 New static variables.
10289 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10290 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10292 (ebb_sched_info): Initialize new fields.
10293 (get_block_head_tail): Adjust all uses.
10294 (compute_jump_reg_dependencies): Fixed to use glat_start.
10295 (schedule_ebb): Code to remove unreachable last block.
10296 (schedule_ebbs): Added code to update register live information.
10297 * sched-rgn.c (region_sched_info): Initialize new fields.
10298 (get_block_head_tail): Adjust all uses.
10299 (last_was_jump): Removed. Adjust users.
10300 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10301 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10302 Implement new hooks.
10303 (check_dead_notes1): New static function.
10304 (struct region): New fields: dont_calc_deps, has_real_ebb.
10305 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10306 (BB_TO_BLOCK): Fixed to handle EBBs.
10307 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10308 (ebb_head): New static variable.
10309 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10310 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10312 (compute_dom_prob_ps): New assertion.
10313 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10314 global_live_at_start.
10315 (init_ready_list): New assertions.
10316 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10317 (new_ready): Add support for BEGIN_CONTROL speculation.
10318 (schedule_insns): Fixed code that updates register live information
10320 (schedule_region): Fixed to handle EBBs.
10321 (init_regions): Use extend_regions and check_dead_notes1.
10322 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10323 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10324 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10325 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10326 TARGET_SCHED_GEN_CHECK,
10327 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10328 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10329 * doc/invoke.texi (max-sched-insn-conflict-delay,
10330 sched-spec-prob-cutoff): Document.
10332 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10334 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10335 inter_tick, queue_index.
10336 (struct sched_info): Change signature of init_ready_list field.
10337 Adjust all initializations.
10338 (RESOLVED_DEPS): New access macro.
10339 (ready_add): Remove prototype.
10340 (try_ready): Add prototype.
10341 * sched-rgn.c (init_ready_list): Use try_ready.
10342 (schedule_region): Initialize
10343 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10344 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10345 (init_ready_list): Use try_ready.
10346 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10347 * lists.c (remove_list_elem): Remove `static'.
10348 (remove_free_INSN_LIST_elem): New function.
10349 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10350 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10351 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10353 (readyp): New variable.
10354 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10355 change_queue_index, resolve_dep): New static functions.
10356 (try_ready): New function. Adjust callers in sched-rgn.c and
10357 sched-ebb.c to use it instead of ready_add.
10358 (clock_var): Move at the begining of file.
10359 (rank_for_schedule): Fix typo.
10360 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10361 (ready_lastpos): Enforce assertion.
10362 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10363 update all callers.
10364 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10365 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10366 (queue_to_ready): Use free_INSN_LIST_list.
10367 (early_queue_to_ready): Fix typo.
10368 (schedule_block): Init readyp. Move init_ready_list call after the
10369 initialization of clock_var. Fix error in rejecting insn by
10370 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10371 that previously corrected INSN_TICKs. Add code for handling
10373 (set_priorities): Fix typo.
10374 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10375 Clarify comment and code that keeps current_sched_info->next_tail
10378 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10380 * sched-rgn.c (extend_rgns): New static function.
10381 (find_rgns): Use it.
10382 (gather_region_statistics, print_region_statistics): New static
10384 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10385 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10387 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10388 Andrey Belevantsev <abel@ispras.ru>
10390 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10391 * lists.c (unused_deps_list): New variable.
10392 (free_list): Add assertions to verify the proper distinguishing
10393 between INSN_LISTs and DEPS_LISTs.
10394 (find_list_elem, remove_list_elem, remove_list_node): New static
10396 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10397 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10398 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10399 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10401 (free_INSN_LIST_node): Likewise.
10402 * modulo-sched.c (current_sched_info): Initialize flags field.
10403 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10404 * rtl.def (DEPS_LIST): Define.
10405 * rtl.h: Declare new functions from lists.c.
10406 * sched-deps.c (spec_dependency_cache): New static variable.
10407 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10408 (add_dependence): Change return type to void. Move the logic to ...
10409 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10410 (delete_all_dependences): Add comment about forward_dependency_cache.
10411 Handle spec_dependency_cache. Handle DEPS_LISTs.
10412 (fixup_sched_groups): Clarify the change of priority of output
10413 and anti dependencies.
10414 (sched_analyze_2): Adjust add_dependence calls to create data
10415 speculative dependence.
10416 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10417 Adjust all callers. Handle DEPS_LISTS.
10418 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10419 presence of speculation.
10420 (init_dependency_caches, free_dependency_caches):
10421 Handle spec_dependency_cache.
10422 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10423 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10424 New static functions.
10425 (add_or_update_back_dep, add_or_update_back_forw_dep,
10426 add_back_forw_dep, delete_back_forw_dep): New functions.
10427 * sched-int.h (ds_t, dw_t): New typedefs.
10428 (struct sched_info): Add new field flags.
10429 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10430 Prototype new sched-deps.c functions.
10431 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10432 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10433 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10434 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10435 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10436 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10438 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10440 * sched-rgn.c (current_sched_info): Initialize flags field.
10441 (schedule_insns): Initialize current_sched_info before the sched_init
10443 * sched-ebb.c (current_sched_info): Initialize flags field.
10444 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10445 Call add_or_update_back_dep instead of add_dependence.
10446 Create control speculative dependencies.
10447 (schedule_insns): Initialize current_sched_info before the sched_init
10450 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10452 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10454 (sh_fallback_frame_state): Likewise.
10456 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10458 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10459 Do switch on default_use_cxa_atexit.
10460 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10461 * config/darwin-crt3.o: New.
10462 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10463 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10464 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10466 * config/rs6000/t-darwin: Move crt2.o building to here.
10467 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10468 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10471 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10473 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10474 from '! xxx' to '!xxx' for coding-style conformance.
10475 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10476 (EXTRA_CONSTRAINT): Likewise.
10477 * config/vax/vax.md (four unnamed insns): Likewise.
10479 2006-03-15 Paul Brook <paul@codesourcery.com>
10481 * config/arm/arm.c (minipool_pad): New.
10482 (add_minipool_forward_ref): Include pool alignment padding in address
10484 (push_minipool_fix): Set minipool_pad.
10485 (minipool_pad): Ditto.
10487 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10489 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10490 instead of GET_CODE() == MEM and REG_P() instead of
10492 (print_operand_address): Likewise.
10493 (vax_address_cost): Likewise.
10494 (vax_rtx_costs): Likewise.
10495 (vax_notice_update_cc): Likewise.
10496 (vax_output_int_add): Likewise.
10497 (INDEX_REGISTER_P): Likewise.
10498 (BASE_REGISTER_P): Likewise.
10499 (nonindexed_address_p): Likewise.
10500 (vax_mode_dependent_address_p): Likewise.
10501 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10502 (PRINT_OPERAND): Likewise.
10503 * config/vax/vax.md (ashlsi3): Likewise.
10504 (ashlsi3): Likewise.
10505 (some more unnamed insns): Likewise.
10507 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10509 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10510 iterator-style macro.
10511 (mark_control_dependent_edges_necessary): Update the use of
10512 EXECUTE_IF_CONTROL_DEPENDENT.
10514 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10516 * config/sh/predicates.md (cache_address_operand): Special.
10517 (ua_address_operand): Likewise.
10519 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10521 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10523 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10525 2006-03-15 Andreas Schwab <schwab@suse.de>
10527 * gensupport.c (identify_predicable_attribute): Don't free p_false
10528 when it is still in use.
10530 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10532 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10533 the default setting here.
10535 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10537 * tree-pass.h (pass_cfg): Remove.
10538 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10539 * passes.c (pass_cfg): Don't run it.
10541 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10543 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10544 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10546 (stack_regs_mentioned): Update the uses of
10547 stack_regs_mentioned_data. Don't access the array beyond its
10549 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10550 Don't include gt-reg-stack.h.
10552 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10553 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10555 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10557 PR middle-end/26684
10558 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10561 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10563 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10565 2006-03-14 Richard Guenther <rguenther@suse.de>
10567 PR tree-optimization/26672
10568 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10571 2006-03-14 Richard Guenther <rguenther@suse.de>
10573 PR tree-optimization/26667
10574 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10575 node for the callees. Always allow inlining if it will shrink
10578 2006-03-14 Richard Guenther <rguenther@suse.de>
10580 PR middle-end/26659
10581 * builtins.c (get_pointer_alignment): Prefer alignment
10582 information from decls over that from types.
10584 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10587 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10589 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10591 * config/rs6000/rs6000.opt (mdlmzb): New option.
10592 (msched-prolog, msched-epilog): Use Var not Mask.
10593 * doc/invoke.texi (-mdlmzb): Document.
10594 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10596 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10597 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10599 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10601 PR rtl-optimization/25739
10602 * bt-load.c (augment_live_range): Free tos pointer.
10604 * gensupport.c (identify_predicable_attribute): Free
10606 * gcov.c (create_file_names): Free name pointer.
10608 2006-03-13 Roger Sayle <roger@eyesopen.com>
10610 PR middle-end/26557
10611 * stmt.c (emit_case_nodes): Handle the case where the index is a
10612 CONST_INT, where the comparison mode is specified by the index type.
10614 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10616 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10619 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10621 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10622 (*branch_fp_inverted): Likewise.
10624 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10626 PR middle-end/25989
10627 * omp-low.c (expand_omp_for_generic): Mark istart0
10628 and iend0 as addressable.
10630 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10632 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10634 2006-03-13 Jeff Law <law@redhat.com>
10636 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10637 virtual operands are interesting.
10638 (vrp_visit_stmt): Corresponding changes.
10640 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10642 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10644 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10645 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10646 * config/bfin/crti.S: Use it instead of __PIC__.
10647 * config/bfin/crtn.S: Likewise.
10649 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10650 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10652 Lose 'G' modifier for call operand.
10653 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10654 recognize 'G' modifier.
10656 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10658 PR middle-end/18859
10659 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10660 * stmt.c (expand_case): Likewise.
10662 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10664 PR rtl-optimization/26254
10665 * loop-invariant.c (seq_insns_valid_p): New function.
10666 (move_invariant_reg): Only emit new code if it is valid.
10668 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10670 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10672 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10673 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10674 (commit_one_edge_insertion): Do not look for loop notes.
10676 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10678 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10679 flag_test_coverage out of loop.
10681 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10683 * final.c (shorten_branches): Remove outdated comment, and turn
10684 the if branch that guards it to continue.
10686 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10688 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10689 * cfgloop.h (struct loop): Remove unused fields.
10691 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10693 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10694 (-dL, -fdump-rtl-loop2): Update the dump file names
10696 * doc/invoke.texi: Update dump file names.
10698 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10700 * predict.c (estimate_probability): Remove.
10701 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10702 * basic-block.h (estimate_probability): Remove prototype.
10703 * passes.c (finish_optimization_passes): Dump branch prediction or
10704 profiling heuristics to the .profile tree dump.
10705 (init_optimization_passes): Unqueue pass_branch_prob.
10707 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10709 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10711 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10712 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10714 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10716 * function.h (frame_offset_overflow): Declare.
10717 * function.c (frame_offset_overflow): New function.
10718 (assign_stack_local_1): Call it to detect that the offset overflows.
10719 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10721 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10723 * config/sh/sh.c: Include alloc-pool.h.
10724 (label_ref_list_pool): New alloc pool.
10725 (label_ref_list_t): New type for lists of labels.
10726 (struct pool_node): Make wend a label_ref_list_t.
10727 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10729 (dump_table): Likewise.
10730 (sh_reorg): Set up the alloc pool before using add_constant and
10731 dump_table, and destroy it when finishing.
10733 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10735 * config/mips/mips.c: Remove redundant comment.
10737 2006-03-10 Jason Merrill <jason@redhat.com>
10740 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10741 the target was declared 'register'.
10743 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10745 * genpreds.c (write_insn_constraint_len): Change definition of
10746 insn_constraint_len to return size_t to match the declaration.
10748 2006-03-10 DJ Delorie <dj@redhat.com>
10750 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10752 (m32c_expand_insv): Fix test for an AND mask.
10754 2006-03-10 Richard Guenther <rguenther@suse.de>
10756 PR middle-end/26565
10757 * builtins.c (get_pointer_alignment): Handle component
10758 references for field alignment.
10760 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10762 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10763 when building with libgloss.
10764 (sh*elf): Implement --without-fp option.
10765 (sh64-superh-linux*): Don't multilib.
10767 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10769 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10771 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10773 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10774 Set it when one of the replacement functions returned true.
10775 Return TODO_cleanup_cfg if cfgchanged is true.
10776 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10778 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10780 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10781 instead of gen_lowpart.
10783 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10785 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10787 (mips_output_order_conditional_branch): Declare.
10788 * config/mips/mips.h (MIPS_BRANCH): New macro.
10789 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10790 for the comparison. Use gen_condjump.
10791 (mips_output_conditional_branch): Rework interface to take the
10792 asm templates for a direct branch and the inverse of a direct branch.
10793 (mips_output_order_conditional_branch): New function.
10794 (mips_builtin_branch_and_move): New function.
10795 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10796 branch condition. Use gen_single_cc as the condition for
10797 __builtin_mips_upper_* or __builtin_mips_lower_*.
10798 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10799 Use VOIDmode for the branch condition.
10800 * config/mips/predicates.md (order_operator): New predicate.
10801 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10802 (branch_fp): Rename to...
10803 (*branch_fp): ...this. Remove mode from comparison operator.
10804 Use new mips_output_conditional_branch interface.
10805 (branch_fp_inverted): Rename to...
10806 (*branch_fp_inverted): ...this and update as for *branch_fp.
10807 (*branch_zero<mode>): Rename to...
10808 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10809 Use mips_output_order_conditional_branch. Only accept ordered
10811 (*branch_zero<mode>_inverted): Rename to...
10812 (*branch_order<mode>_inverted): ...this and update as for
10813 *branch_order<mode>.
10814 (*branch_equality<mode>): Accept zero as the second operand to
10815 the equality operator. Use the new mips_output_conditional_branch
10817 (*branch_equality<mode>_inverted): Likewise.
10818 (condjump): New expander.
10819 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10821 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10822 (bc1any2t, bc1any2f): Likewise.
10823 (single_cc): New expander.
10824 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10826 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10828 * doc/md.texi: Update documentation of MIPS constraints.
10829 * config/mips/constraints.md: New file.
10830 * config/mips/mips.md: Include it.
10831 * config/mips/mips.c (mips_char_to_class): Delete.
10832 (override_options): Don't initialize mips_char_to_class.
10833 * config/mips/mips.h (mips_char_to_class): Delete.
10834 (REG_CLASS_FROM_LETTER): Delete.
10835 (CONST_OK_FOR_LETTER_P): Delete.
10836 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10837 (EXTRA_CONSTRAINT_Y): Delete.
10838 (EXTRA_CONSTRAINT_STR): Delete.
10839 (CONSTRAINT_LEN): Delete.
10840 (EXTRA_MEMORY_CONSTRAINT): Delete.
10842 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10844 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10845 original fn's eh regions.
10847 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10849 * fold-const.c (build_range_check): Make sure to use a valid type to
10850 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10853 (range_predecessor): New static function.
10854 (range_successor): Likewise.
10855 (merge_ranges): Use them to compute predecessors and successors of
10858 2006-03-09 Roger Sayle <roger@eyesopen.com>
10860 PR middle-end/26561
10861 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10862 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10864 2006-03-08 DJ Delorie <dj@redhat.com>
10866 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10867 (addpsi3): Expand to include memory operands. Remove
10868 reload-specific splits.
10869 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10870 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10871 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10872 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10873 (shift1_qi, shift1_hi, insv): New.
10874 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10875 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10876 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10878 * config/m32c/m32c-protos.h: Update as needed.
10879 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10880 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10881 Fail for unrecognized R* constraints.
10882 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10883 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10884 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10886 (m32c_init_libfuncs): New.
10887 (m32c_legitimate_address_p): Add debug wrapper.
10888 (m32c_rtx_costs): New.
10889 (m32c_address_cost): New.
10890 (conversions): Add 'B' prefix.
10891 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10892 operands, or word regnames for QI operands. 'B' prints bit
10894 (m32c_expand_setmemhi): New.
10895 (m32c_expand_movmemhi): New.
10896 (m32c_expand_movstr): New.
10897 (m32c_expand_cmpstr): New.
10898 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10899 (m32c_expand_neg_mulpsi3): Handle non-ints.
10900 (m32c_cmp_flg_0): New.
10901 (m32c_expand_movcc): New.
10902 (m32c_expand_insv): New.
10903 (m32c_scc_pattern): New.
10904 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10905 a0/a1 out of SIregs.
10906 (STORE_FLAG_VALUE): New.
10907 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10910 * config/m32c/mov.md: Make constraints more liberal.
10911 (zero_extendqihi2): Optimize r0/r1 case.
10912 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10913 * config/m32c/predicates.md (m32c_any_operand): New.
10914 (m32c_nonimmediate_operand): New.
10915 (m32c_hl_operand): New.
10916 (m32c_r3_operand): New.
10919 (memsym_operand): New.
10920 (memimmed_operand): New.
10921 (a_qi_operand): New.
10922 (m32c_eqne_operator): New.
10923 (m32c_1bit8_operand): New.
10924 (m32c_1bit16_operand): New.
10925 (m32c_1mask8_operand): New.
10926 (m32c_1mask16_operand): New.
10927 * config/m32c/blkmov.md: New file.
10928 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10930 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10932 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10933 unsigned to fix signed/unsigned comparison issue in
10934 DWARF2_FRAME_REG_OUT.
10935 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10936 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10938 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10939 of ptr into the ENABLE_CHECKING section.
10941 2006-03-08 Jeff Law <law@redhat.com>
10943 * tree-vrp.c (infer_value_range): Only count pointer uses
10944 and dereferences if -fdelete-null-pointer-checks is enabled.
10946 * tree-vrp.c (find_assert_locations): Infer value ranges for
10947 single use pointers, but do not create ASSERT_EXPRs for them.
10948 When a non-null range is inferred for a pointer, backwards
10949 propagate that range to other equivalent pointers through the
10952 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10955 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10956 language hook targets.
10957 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10958 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10959 if language hook targets were missing.
10961 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10963 * tree-ssa-opfinalize.h: Removed.
10964 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10966 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10967 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10968 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10969 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10970 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10971 finalize_ssa_v_must_def_ops): New.
10973 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10975 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10976 block as parameter.
10978 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10980 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10982 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10983 addresses with offsets; reorganize.
10985 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10986 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10987 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10989 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10992 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10994 2006-03-08 Ben Elliston <bje@au.ibm.com>
10996 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10998 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11001 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11004 2006-03-07 Richard Guenther <rguenther@suse.de>
11006 PR tree-optimization/26587
11007 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11009 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11011 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11013 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11015 * hooks.c (hook_bool_mode_rtx_true): New function.
11016 * hooks.h (hook_bool_mode_rtx_true): Declare.
11017 * toplev.c (compile_file): Call output_shared_constant_pool.
11018 * varasm.c (shared_constant_pool): New variable.
11019 (assemble_start_function, assemble_end_function): Remove arguments
11020 from call to output_constant_pool.
11021 (create_constant_pool): New function, split out from...
11022 (init_varasm_status): ...here.
11023 (force_const_mem): Choose between the shared and per-function constant
11024 pools. Set current_function_uses_const_pool when reusing old entries
11025 as well as when creating new ones.
11026 (mark_constant): Ignore data argument.
11027 (mark_constants): Remove pool argument.
11028 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11029 to decide whether the function uses a constant pool.
11030 (output_constant_pool_contents): New function, split out from...
11031 (output_constant_pool): ...here.
11032 (output_shared_constant_pool): New function.
11033 (init_varasm_once): Initialize shared_constant_pool.
11034 * output.h (output_constant_pool): Delete.
11035 (output_shared_constant_pool): Declare.
11036 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11037 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11039 2006-03-06 Nick Clifton <nickc@redhat.com>
11041 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11042 flag_strength_reduce.
11044 2006-03-06 Ben Elliston <bje@au.ibm.com>
11046 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11047 x86_64-*-linux* configurations.
11049 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11050 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11052 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11054 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11056 * basic-block.h: Remove the extern for
11057 rediscover_loops_after_threading.
11059 * cfgloop.c (cancel_loop): Make it static.
11060 * cfgloop.h: Remove the prototype for cancel_loop.
11062 * flow.c (recompute_reg_usage): Make it static.
11063 * rtl.h: Remove the prototype for recompute_reg_usage.
11065 * function.c (use_return_register): Make it static.
11066 * function.h: Remove the prototype.
11068 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11070 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11072 * recog.h: Remove the prototype for
11073 validate_change_maybe_volatile.
11075 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11077 * rtlanal.c (replace_reg): Remove.
11078 * rtl.h: Remove the prototype for replace_reg.
11080 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11082 * regclass.c (reg_scan_update): Remove.
11083 (reg_scan_mark_refs): Remove the last argument.
11084 * rtl.h: Remove the prototype for reg_scan_update.
11086 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11088 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11089 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11090 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11091 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11092 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11093 loop-invariant.c, omp-low.c, opts.c, passes.c,
11094 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11095 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11096 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11097 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11098 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11099 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11101 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11103 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11104 * dwarf2out.h: Remove the prototype for
11105 dwarf2out_add_library_unit_info.
11107 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11109 * tree.c (add_var_to_bind_expr): Remove.
11110 * tree.h: Remove the prototype for add_var_to_bind_expr.
11112 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11114 * regclass.c (n_non_fixed_regs): Remove.
11115 (init_reg_sets_1, globalize_reg): Remove all uses of
11117 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11121 * rtlanal.c (insns_safe_to_move_p): Remove.
11122 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11124 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11126 * expmed.c (expand_mult_add): Remove.
11127 * expr.h: Remove the prototype for expand_mult_add.
11129 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11131 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11132 and REG_SAVED_VAL_EXP constants.
11133 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11134 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11135 Handle regs stored by value.
11136 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11137 (execute_cfa_program): Handle DW_CFA_val_offset,
11138 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11139 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11140 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11141 (uw_install_context_1): Handle target regs stored by value.
11143 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11145 * tree-sra.c (tree_sra): Return todoflags;
11146 (generate_one_element): Set TODO_update_smt_usage if needed.
11147 (pass_sra): Remove TODO_update_smt_usage.
11148 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11150 (tree_ssa_forward_propagate_single_use_vars): Return
11151 TODO_update_smt_usage if we need to update SMT usage.
11152 (pass_forwprop): Remove TODO_update_smt_usage.
11154 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11156 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11157 (correct_use_link): Remove reference to get_stmt_operands.
11158 (update_stmt_operands): Likewise.
11159 (get_modify_expr_operands): New function factored out of
11160 parse_ssa_operands and get_expr_operands.
11161 Try to create V_MUST_DEFs for LHS by default.
11162 (get_expr_operands) <case MODIFY_EXPR>: Call
11163 get_modify_expr_operands.
11164 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11165 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11166 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11167 get_modify_expr_operands.
11169 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11171 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11172 * tree-flow.h: Remove the prototype for
11173 referenced_var_lookup_if_exists.
11175 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11177 PR rtl-optimization/26345
11179 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11181 2006-03-03 Roger Sayle <roger@eyesopen.com>
11183 PR tree-optimization/26524
11184 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11185 fold_convert to create a constant of the appropriate type.
11187 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11189 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11190 SYMBOL_REF_IN_BLOCK_P.
11191 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11192 of SYMBOL_FLAG_IN_BLOCK.
11193 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11194 instead of SYMBOL_REF_IN_BLOCK_P.
11195 * explow.c (use_anchored_address): Likewise.
11196 * rtl.c (rtx_size): Likewise.
11197 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11198 instead of SYMBOL_FLAG_IN_BLOCK.
11199 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11200 SYMBOL_REF_IN_BLOCK_P.
11201 (assemble_variable): Likewise.
11202 (output_constant_def_contents): Likewise.
11203 (output_constant_pool): Likewise.
11204 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11205 instead of SYMBOL_FLAG_IN_BLOCK.
11206 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11207 SYMBOL_REF_IN_BLOCK_P.
11208 (SYMBOL_REF_BLOCK): Likewise.
11209 (SYMBOL_REF_OFFSET): Likewise.
11210 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11211 SYMBOL_REF_IN_BLOCK_P.
11212 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11213 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11214 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11215 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11217 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11219 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11221 2006-03-02 Roger Sayle <roger@eyesopen.com>
11223 * simplify-rtx.c (simplify_unary_operation): When simplifying
11224 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11225 that we perform the right shift in the appropriate mode, and
11226 then extend or truncate the result to requested mode.
11228 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11230 * gengtype.c (main): Handle double_int type.
11231 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11232 * double-int.c: New file.
11233 * double-int.h: New file.
11234 * system.h: Include doubleint.h.
11235 * Makefile.in (SYSTEM_H): Include double-int.h.
11236 (double-int.o): Add.
11238 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11241 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11244 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11246 * tree-vrp.c (remove_range_assertions): Do not update statements
11249 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11251 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11253 * gcse.c (rest_of_handle_gcse): Ditto.
11254 * except.c (gate_handle_eh): Ditto.
11255 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11256 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11258 2006-03-02 Eric Christopher <echristo@apple.com>
11260 * config/i386/i386.c (machopic_output_stub): Add indirection to
11263 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11267 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11269 Sun Niagara specific optimizations.
11270 * config.gcc: Recognize niagara as target.
11271 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11272 (TARGET_CPU_niagara): Define.
11273 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11274 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11275 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11276 (ASM_CPU_SPEC): Likewise.
11277 (PROCESSOR_NIAGARA): New enum entry.
11278 (REGISTER_MOVE_COST): Handle Niagara.
11279 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11280 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11281 (sparc_override_options): Recognize "niagara", set appropriate
11282 default MASK_* values for it, and align functions to 32-bytes
11283 by default just like ULTRASPARC/ULTRASPARC3.
11284 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11285 (sparc64_initialize_trampoline): Likewise.
11286 (sparc_use_sched_lookahead): Use zero for niagara.
11287 (sparc_issue_rate): Use one for niagara.
11288 * config/sparc/niagara.md: New file.
11289 * config/sparc/sparc.md: Include it.
11290 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11291 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11292 when default cpu is niagara.
11293 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11294 (ASM_CPU_SPEC): Likewise.
11295 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11296 when default cpu is niagara.
11297 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11298 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11299 just like v9/ultrasparc/ultrasparc3.
11300 * doc/invoke.texi: Add documentation for "niagara" and improve
11301 existing documentation for ultrasparc variants.
11303 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11305 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11307 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11309 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11310 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11311 and say that only one is needed.
11312 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11313 * target.h (have_switchable_bss_sections): New hook.
11314 * explow.c (use_anchored_address): Check that the symbol is in a block.
11315 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11316 (bss_noswitch_section): New variables.
11317 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11318 (get_noswitch_section): New function.
11319 (get_block_for_section): Allow SECT to be null.
11320 (unlikely_text_section_p): Use SECTION_STYLE.
11321 (bss_initializer_p): New function.
11322 (get_variable_section): Move earlier in file. Take a new argument,
11323 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11324 Return one of the new *_sections in such cases.
11325 (get_block_for_decl): New function, extracting some logic from
11326 use_blocks_for_decl_p.
11327 (change_symbol_section): Remove in favor of...
11328 (change_symbol_block): ...this new function.
11329 (use_blocks_for_decl_p): Remove checks now performed by
11330 get_block_for_decl.
11331 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11332 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11333 (emit_local, emit_bss, emit_common): ...these new functions.
11334 Return true if the alignment was honored.
11335 (emit_tls_common): New function.
11336 (asm_emit_uninitialised): Delete.
11337 (assemble_variable_noswitch): New function, split out from...
11338 (assemble_variable): ...here. Don't make decisions about common
11339 variables here. Globalize all public decls that go into non-common
11340 sections. Check whether SYMBOL_REF_BLOCK is null.
11341 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11342 (output_constant_pool): Likewise.
11343 (init_varasm_once): Initialize the new section variables.
11344 (have_global_bss_p): New function.
11345 (categorize_decl_for_section): Use bss_initializer_p.
11346 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11347 (place_block_symbol): Assert that the symbol must be in a block.
11348 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11349 (TARGET_INITIALIZER): Include it.
11350 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11351 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11352 (SECTION_MACH_DEP): Bump by two.
11353 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11354 (unnamed_section): Mention SECTION_UNNAMED in comment.
11355 (named_section): Likewise SECTION_NAMED.
11356 (noswitch_section_callback): New type.
11357 (noswitch_section): New structure.
11358 (section): Add a noswitch_section alternative.
11359 (SECTION_STYLE): New macro.
11360 (tls_comm_section, comm_section, lcomm_section): Declare.
11361 (bss_noswitch_section, have_global_bss_p): Declare.
11362 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11363 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11365 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11366 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11369 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11371 * tree-vrp.c (execute_vrp): Return value.
11372 * regrename.c (rest_of_handle_regrename): Ditto.
11373 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11374 * tree-complex.c (tree_lower_complex): Ditto.
11375 (tree_lower_complex_O0): Ditto.
11376 * tracer.c (rest_of_handle_tracer): Ditto.
11377 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11378 * postreload.c (rest_of_handle_postreload): Ditto.
11379 * tree-tailcall.c (execute_tail_recursion): Ditto.
11380 (execute_tail_calls): Ditto.
11381 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11382 * tree.h (init_function_for_compilation): Ditto.
11383 * ipa-cp.c (ipcp_driver): Ditto.
11384 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11385 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11386 * final.c (compute_alignments): Ditto.
11387 (rest_of_handle_final): Ditto.
11388 (rest_of_handle_shorten_branches): Ditto.
11389 (rest_of_clean_state): Ditto.
11390 * omp-low.c (execute_expand_omp): Ditto.
11391 (execute_lower_omp): Ditto.
11392 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11393 * ipa-reference.c (static_execute): Ditto.
11394 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11395 * reorg.c (rest_of_handle_delay_slots): Ditto.
11396 (rest_of_handle_machine_reorg): Ditto.
11397 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11398 * flow.c (recompute_reg_usage): Ditto.
11399 (rest_of_handle_remove_death_notes): Ditto.
11400 (rest_of_handle_life): Ditto.
11401 (rest_of_handle_flow2): Ditto.
11402 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11403 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11404 (do_ssa_store_ccp): Ditto.
11405 (execute_fold_all_builtins): Ditto.
11406 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11407 * modulo-sched.c (rest_of_handle_sms): Ditto.
11408 * ipa-pure-const.c (static_execute): Ditto.
11409 * cse.c (rest_of_handle_cse): Ditto.
11410 (rest_of_handle_cse2): Ditto.
11411 * web.c (rest_of_handle_web): Ditto.
11412 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11413 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11414 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11415 * tree-nrv.c (tree_nrv): Ditto.
11416 (execute_return_slot_opt): Ditto.
11417 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11418 (create_structure_vars): Ditto.
11419 * loop-init.c (rtl_loop_init): Ditto.
11420 (rtl_loop_done): Ditto.
11421 (rtl_move_loop_invariants): Ditto.
11422 (rtl_unswitch): Ditto.
11423 (rtl_unroll_and_peel_loops): Ditto.
11424 (rtl_doloop): Ditto.
11425 * gimple-low.c (lower_function_body): Ditto.
11426 (mark_used_blocks): Ditto.
11427 * tree-ssa-sink.c (execute_sink_code): Ditto.
11428 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11429 (cgraph_early_inlining): Ditto.
11430 * global.c (rest_of_handle_global_alloc): Ditto.
11431 * jump.c (cleanup_barriers): Ditto.
11432 (purge_line_number_notes): Ditto.
11433 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11434 (rest_of_handle_if_after_reload): Ditto.
11435 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11436 (tree_ssa_loop_im): Ditto.
11437 (tree_ssa_loop_unswitch): Ditto.
11438 (tree_vectorize): Ditto.
11439 (tree_linear_transform): Ditto.
11440 (tree_ssa_loop_ivcanon): Ditto.
11441 (tree_ssa_empty_loop): Ditto.
11442 (tree_ssa_loop_bounds): Ditto.
11443 (tree_complete_unroll): Ditto.
11444 (tree_ssa_loop_prefetch): Ditto.
11445 (tree_ssa_loop_ivopts): Ditto.
11446 (tree_ssa_loop_done): Ditto.
11447 * predict.c (tree_estimate_probability): Ditto.
11448 * recog.c (split_all_insns_noflow): Ditto.
11449 (rest_of_handle_peephole2): Ditto.
11450 (rest_of_handle_split_all_insns): Ditto.
11451 * tree-eh.c (lower_eh_constructs): Ditto.
11452 * regmove.c (rest_of_handle_regmove): Ditto.
11453 (rest_of_handle_stack_adjustments): Ditto.
11454 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11455 * function.c (instantiate_virtual_regs): Ditto.
11456 (init_function_for_compilation): Ditto.
11457 (rest_of_handle_check_leaf_regs): Ditto.
11458 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11459 (rest_of_handle_gcse): Ditto.
11460 * ipa-type-escape.c (type_escape_execute): Ditto.
11461 * alias.c (rest_of_handle_cfg): Ditto.
11462 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11463 * profile.c (rest_of_handle_branch_prob): Ditto.
11464 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11465 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11466 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11467 * tree-dfa.c (find_referenced_vars): Ditto.
11468 * except.c (set_nothrow_function_flags): Ditto.
11469 (convert_to_eh_region_ranges): Ditto.
11470 (rest_of_handle_eh): Ditto.
11471 * emit-rtl.c (unshare_all_rtl): Ditto.
11472 (remove_unnecessary_notes): Ditto.
11473 * except.h (set_nothrow_function_flags): Ditto.
11474 (convert_to_eh_region_ranges): Ditto.
11475 * cfgexpand.c (tree_expand_cfg): Ditto.
11476 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11477 * tree-ssa-pre.c (do_pre): Ditto.
11478 (execute_fre): Ditto.
11479 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11480 (rest_of_handle_jump2): Ditto.
11481 * tree-sra.c (tree_sra): Ditto.
11482 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11483 (execute_mudflap_function_decls): Ditto.
11484 * tree-ssa-copy.c (do_copy_prop): Ditto.
11485 (do_store_copy_prop): Ditto.
11486 * ipa-prop.h (ipcp_driver): Ditto.
11487 * cfglayout.c (insn_locators_initialize): Ditto.
11488 * tree-ssa-forwprop.c
11489 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11490 * cfglayout.h (insn_locators_initialize): Ditto.
11491 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11492 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11493 (execute_late_warn_uninitialized): Ditto.
11494 * rtl.h (cleanup_barriers): Ditto.
11495 (split_all_insns_noflow): Ditto.
11496 (purge_line_number_notes): Ditto.
11497 (unshare_all_rtl): Ditto.
11498 (remove_unnecessary_notes): Ditto.
11499 (recompute_reg_usage): Ditto.
11500 (variable_tracking_main): Ditto.
11501 * integrate.c (emit_initial_value_sets): Ditto.
11502 * integrate.h (emit_initial_value_sets): Ditto.
11503 * tree-optimize.c (execute_free_datastructures): Ditto
11504 (execute_free_cfg_annotations): Ditto.
11505 (execute_fixup_cfg): Ditto.
11506 (execute_cleanup_cfg_pre_ipa): Ditto.
11507 (execute_cleanup_cfg_post_optimizing): Ditto.
11508 (execute_init_datastructures): Ditto.
11509 * tree-object-size.c (compute_object_sizes): Ditto.
11510 * combine.c (rest_of_handle_combine): Ditto.
11511 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11512 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11513 (rest_of_handle_reorder_blocks): Ditto.
11514 (rest_of_handle_partition_blocks): Ditto.
11515 * var-tracking.c (variable_tracking_main): Ditto.
11516 * tree-profile.c (tree_profiling): Ditto.
11517 * tree-vect-generic.c (expand_vector_operations): Ditto.
11518 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11519 * sched-rgn.c (rest_of_handle_sched): Ditto.
11520 (rest_of_handle_sched2): Ditto.
11521 * basic-block.h (free_bb_insn): Ditto.
11522 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11523 * tree-cfg.c (execute_build_cfg): Ditto.
11524 (remove_useless_stmts): Ditto.
11525 (split_critical_edges): Ditto.
11526 (execute_warn_function_return): Ditto.
11527 (execute_warn_function_noreturn): Ditto.
11528 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11529 * cfgrtl.c (free_bb_for_insn): Ditto.
11530 * passes.c (execute_one_pass): Run additional
11531 todos returned by execute function.
11532 * tree-pass.h (struct tree_opt_pass): Make execute
11535 2006-03-02 Richard Guenther <rguenther@suse.de>
11537 * tree-ssa-alias.c (find_used_portions): Consider taking
11538 the address as making the variable not write-only.
11540 2006-03-02 Nick Clifton <nickc@redhat.com>
11542 * config.gcc (default_use_cxa_atexit): Extend the description of
11543 this configure variable. Set its default value to "yes" for
11544 Linux, NetBSD and ELF targets on the assumption that they will
11545 use C libraries with the __cxa_atexit function.
11547 2006-03-02 Ben Elliston <bje@au.ibm.com>
11549 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11550 parameter as unused to suppress a build warning.
11552 2006-03-02 Ben Elliston <bje@au.ibm.com>
11554 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11557 2006-03-01 Roger Sayle <roger@eyesopen.com>
11560 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11561 declared name, the weak reference name, and the typeof name.
11562 (__gthrw): Avoid expanding the declared name suffix.
11563 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11565 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11567 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11569 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11570 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11571 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11572 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11573 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11574 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11575 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11576 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11577 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11578 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11579 (DW_END_default, DW_END_big, DW_END_little): New.
11580 (DW_END_lo_user, DW_END_hi_user): Define.
11581 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11582 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11583 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11586 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11588 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11590 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11592 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11594 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11596 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11597 to 'symbol_mem_tag'.
11599 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11602 2006-03-01 Roger Sayle <roger@eyesopen.com>
11604 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11606 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11609 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11610 MACHO_DYNAMIC_NO_PIC_P.
11611 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11613 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11616 * config/darwin-protos.h (darwin_asm_output_anchor):
11618 * config/darwin-sections.def (cstring_section):
11619 Add SECTION_MERGE to the flags.
11620 (literal4_section): Likewise.
11621 (literal8_section): Likewise.
11622 (objc_selector_refs_section): Likewise.
11623 (objc_cls_refs_section): Likewise.
11624 * config/darwin.c (darwin_asm_output_anchor): New
11626 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11628 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11630 Fix PR tree-optimization/26443
11631 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11632 to todo and PROP_tmt_usage to properties_destroyed.
11633 * tree-ssa-ccp.c (pass_ccp): Ditto.
11634 (pass_store_ccp): Ditto.
11635 * tree-ssa-dom.c (pass_dominator): Ditto.
11637 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11639 * tree-ssa-operands.c: Cleanup whitespace.
11640 (get_asm_expr_operands): Move before first invocation.
11641 (get_indirect_ref_operands): Likewise.
11642 (get_tmr_operands): Likewise.
11643 (get_call_expr_operands): Likewise.
11644 (append_def): Likewise.
11645 (append_use): Likewise.
11646 (append_v_may_def): Likewise.
11647 (append_v_must_def): Likewise.
11648 (add_call_clobber_ops): Likewise.
11649 (add_call_read_ops): Likewise.
11650 (add_stmt_operand): Likewise.
11651 (add_virtual_operand): Likewise.
11652 (build_ssa_operands): Likewise.
11654 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11656 PR middle-end/26022
11658 PR middle-end/24437
11659 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11660 with a call expr to ...
11661 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11663 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11665 * tree-vrp.c (extract_range_from_assert): Remove special
11666 handling for types with super-types.
11668 2006-03-01 Ben Elliston <bje@au.ibm.com>
11670 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11671 and powerpc64-*-linux* configurations.
11672 * config/t-dfprules: New file.
11674 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11675 Compile dfp-bit.c from the source directory using -DWIDTH and
11676 $DFP_CFLAGS to control the compilation of that file, rather than
11677 generating width-specific versions in the build directory.
11678 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11679 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11681 2006-02-28 Zack Weinberg <zackw@panix.com>
11683 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11686 2006-02-28 Eric Christopher <echristo@apple.com>
11688 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11689 Set up IN_LIBGCC definition of TARGET_64BIT.
11690 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11692 2006-02-28 Roger Sayle <roger@eyesopen.com>
11694 PR middle-end/14752
11695 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11696 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11697 cases via the construction of "expr != 0".
11699 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11701 * alias.c (alias_invariant, alias_invariant_size): Remove.
11702 (record_base_value): Remove.
11703 (memrefs_conflict_p): Don't look at alias_invariant.
11704 (end_alias_analysis): Don't free it.
11705 * alias.h (record_base_value): Remove prototype.
11707 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11708 Adam Nemet <anemet@caviumnetworks.com>
11710 * rtl.h (truncated_to_mode): Declare it.
11711 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11712 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11713 (RTL_HOOKS_INITIALIZER): Include it.
11714 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11715 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11716 reg_truncated_to_mode.
11717 * rtlanal.c (truncated_to_mode): Define it.
11718 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11720 2006-02-28 Jeff Law <law@redhat.com>
11722 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11723 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11724 the range allowed by TYPE_PRECISION.
11726 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11728 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11730 PR tree-optimization/26419
11731 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11734 2006-02-27 Zack Weinberg <zackw@panix.com>
11736 * doc/md.texi: Fix typo in previous change.
11738 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11742 2006-02-27 Zack Weinberg <zackw@panix.com>
11744 * rtl.def (define_constraint, define_register_constraint)
11745 (define_memory_constraint, define_address_constraint): New MD forms.
11746 * gensupport.c (process_rtx): Put define_constraint etc on the
11748 * genpreds.c (process_define_predicate): Adjust comment. Validate
11749 the name, and call validate_exp to validate the expression.
11750 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11751 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11752 all callers changed.
11753 (validate_exp, needs_variable, struct constraint_data)
11754 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11755 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11756 (const_dbl_constraints, constraint_max_namelen)
11757 (have_register_constraints, have_memory_constraints)
11758 (have_address_constraints, have_address_constraints)
11759 (have_extra_constraints, have_const_int_constraints)
11760 (have_const_dbl_constraints, mangle, add_constraint)
11761 (process_define_constraint, process_define_register_constraint)
11762 (write_enum_constraint_num, write_lookup_constraint)
11763 (write_insn_constraint_len, write_regclass_for_constraint)
11764 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11765 (write_insn_extra_memory_constraint)
11766 (write_insn_extra_address_constraint)
11767 (write_satisfies_constraint_fns): New.
11768 (write_tm_preds_h): If we have new-style constraint definitions,
11769 prototype the functions generated from them, and define the
11770 old constraint interface (still used by generic code) in terms of
11772 (write_insn_preds_c): If we have new-style constraint definitions,
11773 generate all relevant functions from those definitions.
11774 (main): Handle define_constraint etc.
11775 * genoutput.c (struct constraint_data, indep_constraints)
11776 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11777 (mdep_constraint_len): New data structures and functions, defined
11778 #ifdef USE_MD_CONSTRAINTS.
11779 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11780 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11781 use new logic to validate operand constraints against constraint
11783 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11785 * defaults.h: If none of the old-style constraint macros are
11786 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11787 old-style macros; and poison REG_CLASS_FROM_LETTER,
11788 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11790 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11791 * doc/md.texi: Document new constraint-definition mechanism and the
11792 C interface it provides. Remove references to old mechanism
11793 elsewhere in the document.
11794 (Machine Constraints): Use pathnames relative to gcc directory,
11795 i.e. config/ARCH/FILE. Change i386 section to refer to
11796 config/i386/predicates.md; update that section to match docstrings.
11797 * doc/tm.texi: Move all documentation of the old constraint-
11798 definition macros to their own section, clearly mark as obsolete.
11800 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11801 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11803 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11804 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11805 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11806 constraint strings.
11807 (splits and peepholes): Use satisfies_constraint_*.
11808 * config/i386/i386.c (memory_address_length)
11809 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11811 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11813 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11814 scalar operation to be put back into the loop.
11816 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11819 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11820 (extract_cie_info): Handle S flag in augmentation string.
11821 (execute_cfa_program): If context->signal_frame, execute also
11822 fs->pc == context->ra instructions.
11823 (uw_frame_state_for): If context->signal_frame, don't subtract one
11824 from context->ra to find FDE.
11825 (uw_update_context_1): Set context->signal_frame to
11827 (_Unwind_GetIPInfo): New function.
11828 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11829 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11831 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11832 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11833 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11834 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11835 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11836 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11837 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11838 x86_64_fallback_frame_state): Set fs->signal_frame.
11839 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11840 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11841 (frob_update_context): Likewise. Workaround missing S flag in
11842 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11843 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11844 Remove the psw_addr + 1 hack.
11846 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11848 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11849 with aggregates here.
11850 (find_func_aliases): Remove code for &<aggregate> from here.
11852 2006-02-26 Roger Sayle <roger@eyesopen.com>
11854 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11855 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11856 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11857 as (X & C) ne/eq 0.
11859 2006-02-26 Roger Sayle <roger@eyesopen.com>
11861 PR middle-end/19983
11862 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11864 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11866 * opts.c (decode_options): Do not handle flag_strength_reduce.
11867 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11868 and OPT_fstrength_reduce.
11869 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11870 flag_prefetch_loop_arrays for being nonzero.
11871 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11873 (fprefetch-loop-arrays-rtl): Removed.
11874 (flag_prefetch_loop_arrays): Do not specify the value.
11876 * doc/passes.texi: Update documentation of loop optimizer
11878 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11879 -frerun-loop-opt): Remove.
11881 2006-02-26 Richard Guenther <rguenther@suse.de>
11883 PR tree-optimization/26421
11884 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11885 in function calls that are ADDR_EXPRs as using the whole structure.
11887 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11889 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11890 * tree-pass.h (pass_loop_optimize): Remove.
11891 * passes.c (pass_loop_optimize): Never run it.
11892 * toplev.c (backend_init): Don't call init_loop.
11893 * opts.c (flag_loop_optimize_set): Remove.
11894 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11895 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11896 the old RTL loop optimizer when profiling enabled.
11897 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11898 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11899 pre-headers for the sake of the old RTL loop optimizer.
11900 * Makefile.in: Remove all references to loop.o.
11902 * doc/invoke.texi: Remove all references to -floop-optimize
11903 and -frerun-loop-opt.
11905 2006-02-26 Zack Weinberg <zackw@panix.com>
11907 * doc/md.texi (Machine Constraints): Refer to all files with paths
11908 relative to gcc directory (i.e. config/CPU/file). Add missing
11909 @table @code ... @end table to M32C subsection.
11911 2006-02-26 Roger Sayle <roger@eyesopen.com>
11913 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11915 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11917 2006-02-26 Roger Sayle <roger@eyesopen.com>
11918 James A. Morrison <phython@gcc.gnu.org>
11920 PR middle-end/21137
11921 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11922 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11923 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11924 signedness of the shift operation.
11926 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11928 PR tree-optimization/26359
11929 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11931 2006-02-25 Roger Sayle <roger@eyesopen.com>
11933 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11934 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11935 as X == 0, and some symmetry related transformations.
11936 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11938 2006-02-25 Roger Sayle <roger@eyesopen.com>
11940 PR middle-end/23673
11941 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11942 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11943 symmetry related transformations. Fold (X^C1) == C2 as
11946 2006-02-25 Juergen Weigert <jw@suse.de>
11947 Richard Guenther <rguenther@suse.de>
11949 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11951 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11953 * combine.c (gen_lowpart_or_truncate): Call
11954 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11956 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11958 * doc/invoke.texi: Move -fopenmp description to "Options for
11960 Remove reference to -lgomp.
11962 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11964 * doc/install.texi: Require GNU tar version 1.14.
11966 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11968 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11969 * doc/invoke.texi (C++ Dialect Options): Document
11970 -fno-use-cxa-get-exception-ptr.
11971 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11972 * configure: Regenerate.
11973 * c.opt (fuse-cxa-get-exception-ptr): New.
11974 * c-opts.c (c_common_handle_option): Handle
11975 OPT_fuse_cxa_get_exception_ptr.
11976 * c-common.c (flag_use_cxa_atexit): Update documentation.
11977 (flag_use_cxa_get_exception_ptr): New.
11978 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11979 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11981 (C_COMMON_OVERRIDE_OPTIONS): New.
11983 2006-02-24 Roger Sayle <roger@eyesopen.com>
11985 PR middle-end/24952
11986 * combine.c (try_combine): Explicitly check whether GET_CODE is
11987 a SET or a CLOBBER, instead on checking that it isn't a USE.
11989 2006-02-24 Roger Sayle <roger@eyesopen.com>
11991 * fold-const.c (fold_comparison): New subroutine of fold_binary
11992 containing transformations common to both the equality and
11993 ordering relational operators, factored out of fold_binary.
11994 (fold_binary): Separate out the equality operators (EQ_EXPR
11995 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11996 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11997 transformations common to both.
11998 (fold_div_compare): Fix latent bugs in the previously unreachable
11999 LT_EXPR and GE_EXPR cases.
12001 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12003 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12004 decl libname for clog to __clog on AIX.
12006 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12008 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12011 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12012 output traceback table for thunks. Localise rs6000_stack_info call.
12014 2006-02-23 Roger Sayle <roger@eyesopen.com>
12015 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12017 * gthr-posix.h (__gthrw): Fix typo in comment.
12019 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12021 * doc/cpp.texi (Character sets): Document that we do support
12022 input files to be in any character set.
12024 2006-02-23 Jeff Law <law@redhat.com>
12026 * tree.h (PHI_ARG_NONZERO): Remove.
12027 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12028 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12029 node to the new node.
12031 PR tree-optimization/26425
12032 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12033 min/max, then assume its varying.
12035 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12037 PR rtl-optimization/26316
12038 * rtlanal.c (enum may_trap_p_flags): New.
12039 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12040 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12041 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12042 (may_trap_after_code_motion_p): New function.
12043 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12044 (find_invariant_insn): Use may_trap_after_code_motion_p.
12045 * rtl.h (may_trap_after_code_motion_p): Declare.
12047 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12049 * emit-rtl.c (immed_double_const): Cleanup.
12051 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12053 Fix PR tree-optimization/26376
12054 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12057 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12059 PR middle-end/26412
12060 * gimplify.c (omp_add_variable): Guard variable size decl test with
12061 DECL_SIZE (decl) check.
12063 2006-02-23 Richard Guenther <rguenther@suse.de>
12065 PR middle-end/26439
12066 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12067 like aggregate types.
12069 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12071 * configure.ac: Add --with{,out}-long-double-128 configure option.
12072 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12073 * configure: Rebuilt.
12074 * config.in: Rebuilt.
12075 * doc/install.texi (Options specification): Document
12076 --with-long-double-128.
12078 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12079 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12080 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12081 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12083 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12085 * config/s390/s390.c (override_options): Handle
12086 TARGET_DEFAULT_LONG_DOUBLE_128.
12088 * config/alpha/alpha.c (override_options): Handle
12089 TARGET_DEFAULT_LONG_DOUBLE_128.
12091 * config/sparc/sparc.c (sparc_override_options): Handle
12092 TARGET_DEFAULT_LONG_DOUBLE_128.
12094 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12096 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12097 (real-install-headers-tar, real-install-headers-cpio)
12098 (real-install-headers-cp): New targets.
12100 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12102 * tree.h (variable_section): Delete.
12103 * varasm.c (variable_section): Delete.
12105 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12107 * install.texi: Add notes on install.texi2html.
12108 (Building in parallel): Do not use footnotes.
12110 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12113 * doc/install.texi (Configuration): Document --disable-libgomp.
12115 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12117 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12119 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12121 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12122 (vec_extractv2df_0_sse): New.
12124 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12126 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12127 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12128 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12129 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12130 to the result of the expression.
12131 (def_cfa_1): Adjust.
12132 (frame_pointer_cfa_offset): Rename to...
12133 (frame_pointer_fb_offset): ... this. Adjust all uses.
12134 (convert_cfa_to_loc_list): Rename to...
12135 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12136 Pass it on to build_cfa_loc.
12137 (compute_frame_pointer_to_cfa_displacement): Rename to...
12138 (compute_frame_pointer_to_fb_displacement): ... this. New
12139 offset parameter. Use it in computation.
12140 (gen_subprogram_die): Compute cfa_fb_offset with the new
12141 macro, and use it to compute the fb loc list and the
12144 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12146 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12147 replaced with register_operand.
12148 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12149 non-DREG is expensive.
12150 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12151 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12154 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12156 * doc/install.texi2html: Use set -e.
12158 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12160 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12161 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12162 * doc/invoke.texi (-fshared-data): Delete.
12163 * common.opt (fshared-data): Delete.
12164 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12165 (assemble_static_space): Remove #if 0 code.
12166 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12167 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12168 * config/cris/cris.h: Remove FIXME.
12170 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12172 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12175 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12177 PR middle-end/26379
12178 * combine.c (simplify_shift_const_1): Disable nested shifts
12179 optimization for vector shifts.
12181 2006-02-20 Roger Sayle <roger@eyesopen.com>
12183 PR tree-optimization/26361
12184 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12185 of unsigned integer types.
12187 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12189 * tree-chrec.c (eq_evolutions_p): New.
12190 * tree-chrec.h (eq_evolutions_p): Declared.
12191 * tree-data-ref.c: Fix formatting.
12192 (datadep_stats, dependence_stats): New.
12194 (print_direction_vector): New.
12195 (dump_data_dependence_relation): Use print_direction_vector.
12196 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12197 (compute_subscript_distance): Static.
12198 (initialize_data_dependence_relation): Static. Get the number
12199 of loops surrounding the references from the callers, and initialize
12200 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12201 base_object_differ_p analyzers.
12202 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12203 compute_overlap_steps_for_affine_1_2,
12204 analyze_subscript_affine_affine): Count the classified dependences.
12205 Print a message when a test failed.
12206 (can_use_analyze_subscript_affine_affine): New.
12207 (analyze_siv_subscript): Compute the data dependences on symbolic
12208 scevs that verify can_use_analyze_subscript_affine_affine.
12209 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12210 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12211 Handle symbolic scevs.
12212 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12214 (subscript_dependence_tester): Moved...
12215 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12216 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12217 DDR_SIZE_VECT instead of getting it in parameter.
12218 (subscript_dependence_tester): ... here. Take as a parameter
12219 loop_nest_depth. Call build_classic_dist_vector and
12220 build_classic_dir_vector.
12221 (compute_affine_dependence): Update subscript_dependence_tester
12222 parameters. Update datadep_stats counters. Call
12223 compute_subscript_distance.
12224 (compute_self_dependence): Save the dist and dir vectors. Call
12225 compute_subscript_distance.
12226 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12227 (compute_all_dependences): Reorder parameters as they were before
12228 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12229 compute_subscript_distance. Update the use of
12230 compute_affine_dependence and initialize_data_dependence_relation.
12231 (find_data_references_in_loop): Handle COMPONENT_REF.
12232 (compute_data_dependences_for_loop): Initialize dependence_stats.
12233 Don't call build_classic_dist_vector and build_classic_dir_vector.
12234 Update the parameters of initialize_data_dependence_relation and
12235 compute_all_dependences. Print the statistics from datadep_stats.
12236 (analyze_all_data_dependences): Static. Not used until the pass for
12237 checking the data dependences is contributed.
12238 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12239 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12240 (initialize_data_dependence_relation, compute_affine_dependence,
12241 analyze_all_data_dependences, compute_subscript_distance): Removed.
12242 (print_direction_vector): New.
12243 * lambda.h (gcd): ... here.
12244 (lambda_vector_gcd): Moved here from gcd_vector.
12245 * lambda-code.c (gcd, gcd_vector): Removed.
12246 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12247 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12249 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12251 * ipa-type-escape.c: Tidy some comments and white space.
12252 * tree-ssa-operands.c: Likewise.
12254 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12257 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12258 (dump_decl_name): Do not walk the decl tree chains.
12259 * tree-pass.h (TDF_CHAIN): Remove.
12261 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12263 * Makefile.in (C): Remove
12265 (.PHONY): Remove C and PROTO
12267 2006-02-20 Roger Sayle <roger@eyesopen.com>
12269 PR middle-end/26236
12270 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12271 deprecated CHAR_TYPE tree code.
12273 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12275 * configure.ac (target_list): Add install-info, dvi, html.
12276 * configure: Regenerate.
12278 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12279 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12280 treelang/Make-lang.in: Do not use double-colon rules.
12282 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12284 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12285 (TMT_USED_ALONE): New macro.
12286 * tree-pass.h (PROP_tmt_usage): New property.
12287 (TODO_update_tmt_usage): New todo.
12288 * tree-ssa-alias.c (updating_used_alone): New variable.
12289 (recalculate_used_alone): New function.
12290 (compute_may_aliases): Set updating_used_alone, call
12291 recalculate_used_alone.
12292 * tree-sra.c (pass_sra): Note that this pass destroys
12293 PROP_tmt_usage, and add TODO_update_tmt_usage.
12294 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12295 * tree-flow.h (updating_used_alone): Prototype.
12296 (recalculate_used_alone): Ditto.
12297 * passes.c (execute_todo): Add code to set updating_used_alone,
12298 and call recalculate.
12299 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12300 for clobber if used alone, and add assert to verify used_alone
12303 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12305 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12306 for non tls symbols added.
12307 (legitimize_address): Do nothing for PLUS expressions if one of the
12308 addends is a tls symbol reference.
12310 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12314 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12316 * Makefile.in (BOOTSTRAPPING): New.
12317 (quickstrap): New definition if BOOTSTRAPPING=yes.
12319 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12320 * configure.ac: Substitute all_selected_languages with the languages
12321 that were configured. For all the other variables except
12322 lang_specs_files, include all the languages in the tree.
12323 * configure: Regenerate.
12325 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12326 if there is one. Run the commands to run fixincludes in the same
12329 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12330 * doc/install.texi: Document exact conventions for searching target tools.
12331 Document --with-build-time-tools. Document toplevel bootstrap. Document
12332 something more about building an Ada cross-compiler. Don't list GNU Make
12333 requirements which affect all platforms.
12335 2006-02-19 Roger Sayle <roger@eyesopen.com>
12337 PR middle-end/19543
12338 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12339 only equivalent if the have both the same mode and precision.
12341 2006-02-20 Ben Elliston <bje@au.ibm.com>
12343 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12345 2006-02-19 Roger Sayle <roger@eyesopen.com>
12346 Steven Bosscher <stevenb.gcc@gmail.com>
12348 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12349 constant pool references to identify stack mode constants.
12350 * rtlanal.c (constant_pool_constant_p): New predicate to check
12351 whether operand is a floating point constant in the pool.
12352 * rtl.h (constant_pool_constant_p): Prototype here.
12353 * loop.c (scan_loop): Avoid hoisting constants from the constant
12354 pool on STACK_REGS targets.
12355 (load_mems): Likewise.
12356 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12357 loads into x87 registers expensive in terms of register pressure.
12359 2006-02-19 Roger Sayle <roger@eyesopen.com>
12361 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12362 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12364 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12366 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12367 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12369 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12371 * doc/invoke.texi: Document -fipa-pta.
12372 * common.opt: Add ipa-pta option.
12373 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12374 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12375 (do_ds_constraint): Ditto.
12376 (get_constraint_for): Only add to referenced_vars if
12377 referenced_vars exists.
12378 (insert_into_field_list): Rewrite to do this unsorted.
12379 (insert_into_field_list_sorted): Rename old insert_into_field_list
12381 (create_function_info_for): Use insert_into_field_list_sorted.
12382 (create_variable_info_for): Rewrite so it uses unsorted version,
12383 since the field list is sorted.
12384 (intra_create_variable_infos): Only add to referenced_vars if
12385 referenced_vars exists.
12386 (ipa_pta_execute): Init heapvars, and delete when done.
12387 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12389 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12391 * doc/install.texi: Add missing `@samp'.
12393 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12395 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12398 2006-02-18 Mark Wielaard <mark@klomp.org>
12400 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12401 who added new 4.1 features, bug fixes and integration support.
12403 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12406 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12407 MEM for ABI_V4 pic.
12409 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12411 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12412 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12413 (copy_insn_1): Likewise. Don't copy each field individually.
12415 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12417 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12418 * rtl.c (rtx_size): Rename variable to...
12419 (rtx_code_size): ...this.
12420 (rtx_size): New function.
12421 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12422 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12424 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12425 * rtl.h (rtx_code_size): New variable.
12426 (rtx_size): Change from a variable to a function.
12427 (RTX_SIZE): Rename to...
12428 (RTX_CODE_SIZE): ...this.
12431 PR tree-optimization/17106
12432 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12433 (Anchored Addresses): New section.
12434 * doc/invoke.texi (-fsection-anchors): Document.
12435 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12436 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12437 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12438 * hooks.c (hook_bool_mode_rtx_false): New function.
12439 * hooks.h (hook_bool_mode_rtx_false): Declare.
12440 * gengtype.c (create_optional_field): New function.
12441 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12442 SYMBOL_REF_IN_BLOCK_P is true.
12443 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12444 (min_anchor_offset, max_anchor_offset): Likewise.
12445 (use_anchors_for_symbol_p): New hook.
12446 * toplev.c (compile_file): Call output_object_blocks.
12447 (target_supports_section_anchors_p): New function.
12448 (process_options): Check that -fsection-anchors is only used on
12449 targets that support it and when -funit-at-a-time is in effect.
12450 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12451 if the decl doesn't have one.
12452 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12453 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12454 of force_const_mem through use_anchored_address.
12455 (expand_expr_constant): New function.
12456 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12457 calling expand_expr for INDIRECT_REF.
12458 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12459 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12460 * expr.h (use_anchored_address): Declare.
12461 * loop-unroll.c: Don't declare rtx vectors here.
12462 * explow.c: Include output.h.
12463 (validize_mem): Call use_anchored_address.
12464 (use_anchored_address): New function.
12465 * common.opt (-fsection-anchors): New switch.
12466 * varasm.c (object_block_htab, anchor_labelno): New variables.
12467 (hash_section, object_block_entry_eq, object_block_entry_hash)
12468 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12469 (use_blocks_for_decl_p, change_symbol_section): New functions.
12470 (get_variable_section): New function, split out from assemble_variable.
12471 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12472 use_blocks_for_decl_p say so. Use change_symbol_section if the
12473 symbol has already been created.
12474 (assemble_variable_contents): New function, split out from...
12475 (assemble_variable): ...here. Don't output any code for
12476 block symbols; just pass them to place_block_symbol.
12477 Use get_variable_section and assemble_variable_contents.
12478 (get_constant_alignment, get_constant_section, get_constant_size): New
12479 functions, split from output_constant_def_contents.
12480 (build_constant_desc): Create a block symbol if use_object_blocks_p
12481 says so. Or into SYMBOL_REF_FLAGS.
12482 (assemble_constant_contents): New function, split from...
12483 (output_constant_def_contents): ...here. Don't output any code
12484 for block symbols; just pass them to place_section_symbol.
12485 Use get_constant_section and get_constant_alignment.
12486 (force_const_mem): Create a block symbol if use_object_blocks_p and
12487 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12488 (output_constant_pool_1): Add an explicit alignment argument.
12489 Don't switch sections here.
12490 (output_constant_pool): Adjust call to output_constant_pool_1.
12491 Switch sections here instead. Don't output anything for block symbols;
12492 just pass them to place_block_symbol.
12493 (init_varasm_once): Initialize object_block_htab.
12494 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12495 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12496 (place_block_symbol, get_section_anchor, output_object_block)
12497 (output_object_block_htab, output_object_blocks): New functions.
12498 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12499 (TARGET_ASM_OUT): Include it.
12500 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12501 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12502 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12503 (TARGET_INITIALIZER): Include them.
12504 * rtl.c (rtl_check_failed_block_symbol): New function.
12505 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12506 (block_symbol, object_block): New structures.
12507 (rtx_def): Add a block_symbol field to the union.
12508 (BLOCK_SYMBOL_CHECK): New macro.
12509 (rtl_check_failed_block_symbol): Declare.
12510 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12511 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12512 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12513 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12514 * output.h (output_section_symbols): Declare.
12515 (object_block): Name structure.
12516 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12517 (default_use_anchors_for_symbol_p): Declare.
12518 * Makefile.in (RTL_BASE_H): Add vec.h.
12519 (explow.o): Depend on output.h.
12520 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12521 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12522 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12523 (rs6000_use_blocks_for_constant_p): New function.
12525 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12527 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12529 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12532 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12535 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12537 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12541 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12543 PR middle-end/26334
12544 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12545 instead of DECL_REGISTER.
12547 2006-02-18 Olivier Hainque <hainque@adacore.com>
12550 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12552 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12555 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12556 * opth-gen.awk: Handle Var and InverseMask together.
12557 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12558 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12559 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12560 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12562 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12563 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12564 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12565 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12566 LINUX_DYNAMIC_LINKER): Define.
12567 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12568 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12570 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12571 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12572 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12574 (TARGET_C99_FUNCTIONS): Don't define.
12575 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12576 GLIBC_DYNAMIC_LINKER.
12577 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12578 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12579 GLIBC_DYNAMIC_LINKER64): Define.
12580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12581 LINUX_DYNAMIC_LINKER64.
12582 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12584 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12586 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12588 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12589 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12590 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12592 and LINUX_DYNAMIC_LINKER32.
12593 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12595 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12596 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12597 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12599 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12600 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12601 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12602 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12603 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12604 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12605 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12606 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12607 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12608 LINUX_DYNAMIC_LINKER): Define.
12609 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12610 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12611 GLIBC_DYNAMIC_LINKER64): Define.
12612 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12613 LINUX_DYNAMIC_LINKER64.
12614 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12615 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12616 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12617 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12618 LINUX_DYNAMIC_LINKER): Define.
12619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12620 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12621 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12622 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12623 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12624 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12625 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12626 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12627 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12628 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12629 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12630 * doc/invoke.texi (-muclibc): Remove caveat about supported
12633 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12635 * doc/cpp.texi (__TIMESTAMP__): Document.
12637 2006-02-17 Roger Sayle <roger@eyesopen.com>
12639 PR middle-end/25600
12640 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12641 C is one less than the width of X (and related transformations).
12642 * simplify-rtx.c (simplify_unary_operation_1): Transform
12643 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12644 depending on STORE_FLAG_VALUE, were C is one less then the
12647 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12649 Fix PR tree-optimization/26341
12650 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12651 about NAME_MEMORY_TAG's.
12653 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12656 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12657 with hardware float support, and software float support. Add fcpy
12658 alternative to hardware patterns. Add alternatives to copy between
12659 general and floating-point registers to the 32-bit pattern.
12660 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12661 secondary reload to load a QI or HI mode constant into a floating
12663 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12664 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12666 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12669 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12671 (load_macho_picbase_di): Likewise.
12673 2006-02-16 Jeff Law <law@redhat.com>
12675 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12676 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12677 (ssa_name_nonzero_p): Likewise.
12678 (get_value_range): Return NULL if VRP is not running.
12679 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12680 VRP routines do not discover a range.
12681 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12682 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12683 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12684 (tree_expr_nonnegative_p): Similarly.
12685 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12686 (restore_nonzero_vars_to_original_value): Remove.
12687 (unsafe_associative_fp_binop): Remove.
12688 (tree_ssa_dominator_optimize): Remove initialization and
12689 finalization of nonzero_vars and nonzero_vars_stack.
12690 (dom_opt_initialize_block): No longer push marker on
12691 nonzero_vars_stack.
12692 (dom_opt_finalize_block): No longer call
12693 restore_nonzero_vars_to_original_value.
12694 (record_equivalences_from_phis): No longer look for
12695 nonzero PHI arguments.
12696 (cprop_into_successor_phis): No longer propagate nonzero
12697 property into PHI arguments. Lose unused argument. Caller
12699 (record_equivalences_from_stmt): No longer record nonzero
12700 values for SSA_NAMEs.
12701 (lookup_avail_expr): No longer use nonzero_vars.
12703 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12704 for sizetype when sizetype is unsigned.
12706 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12708 PR rtl-optimization/25603
12709 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12710 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12711 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12712 with new meaning of SETS.
12714 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12719 * config/linux.opt: New file.
12720 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12721 LINUX_DYNAMIC_LINKER): Define.
12722 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12723 * config.gcc (*-*-linux*): Define extra_options.
12724 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12725 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12726 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12727 GLIBC_DYNAMIC_LINKER.
12728 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12729 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12730 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12731 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12732 * doc/invoke.texi (GNU/Linux Options): New section.
12734 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12736 * config/sparc/sparc.md (setjmp): Rewrite.
12737 (setjmp_32): Delete.
12738 (setjmp_64): Likewise.
12740 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12742 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12745 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12747 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12750 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12752 PR rtl-optimization/26296
12753 * Makefile.in (loop-invariant.c): Add except.h dependency.
12754 * loop-invariant.c: Include except.h.
12755 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12757 2005-02-16 Paul Brook <paul@codesourcery.com>
12759 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12762 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12764 PR rtl-optimization/25636
12765 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12766 when deciding whether an insn is an initializing insn.
12768 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12770 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12771 (tree_code_size): Ditto.
12772 * tree.h (struct tree_memory_tag): Remove parent_var.
12773 (struct tree_struct_field_tag): New.
12776 (union tree_node): Add sft member.
12777 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12779 (create_sft): Add size and offset argument, set SFT_OFFSET and
12781 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12782 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12783 * tree-flow-inline.h (get_subvar_at): Update for
12784 SFT_OFFSET/SFT_SIZE.
12785 (var_can_have_subvars): Ditto.
12786 (overlap_subvar): Ditto.
12787 * print-tree.c (print_node): Print out interesting things for
12789 * tree-flow.h (struct subvar): Remove offset and size members.
12790 * tree-ssa-operands.c (get_expr_operands): Update for
12791 get_indirect_ref_operands changes.
12792 (get_indirect_ref_operands): Call add_virtual_operand instead of
12793 add_stmt_operand. Only recurse on base var if requested.
12794 (access_can_touch_variable): New function.
12795 (add_stmt_operand): Split virtual operand handling into ...
12796 (add_virtual_operand): Here. Add offset, size, and for_clobber
12797 arguments. Prune alias sets.
12798 (add_call_clobber_ops): Call add_virtual_operand.
12800 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12802 PR middle-end/26300
12803 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12805 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12806 than TREE_CODE as index into omp_clause_num_ops array.
12808 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12810 PR rtl-optimization/26184
12811 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12813 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12814 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12815 must_precede, must_follow and tobe_scheduled.
12818 * opts.c (common_handle_option): Free new_option pointer.
12819 * df-core.c (df_analyze): Free postorder pointer.
12821 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12823 * Makefile.in: Fix the examples about the use of stamps
12825 2006-02-15 Michael Matz <matz@suse.de>
12827 PR middle-end/22275
12829 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12830 influenced by maximum_field_alignment or DECL_PACKED.
12831 (update_alignment_for_field): Ditto.
12832 (place_field): Ditto.
12833 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12836 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12838 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12839 (debug_flow_info): Pass it.
12840 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12841 * bb-reorder.c (reorder_basic_blocks): Likewise.
12842 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12843 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12844 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12845 * gcse.c (gcse_main, bypass_jumps): Likewise.
12846 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12847 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12848 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12849 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12850 * rtl.h (dump_flow_info): Adjust prototype.
12851 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12852 * var-tracking.c (variable_tracking_main): Likewise.
12853 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12854 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12857 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12859 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12862 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12864 PR tree-optimization/26209
12865 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12866 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12868 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12870 2006-02-14 Roger Sayle <roger@eyesopen.com>
12872 PR middle-end/23670
12873 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12874 (X,Y) and the corresponding symmetry related transformations.
12875 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12876 (X,Y) and its symmetry related transformations.
12878 2006-02-14 Roger Sayle <roger@eyesopen.com>
12880 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12883 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12885 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12887 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12890 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12891 support COMDAT group.
12892 * configure: Regenerate.
12894 2006-02-14 Roger Sayle <roger@eyesopen.com>
12896 PR middle-end/26279
12897 PR middle-end/26280
12898 PR middle-end/26283
12899 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12901 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12903 Fix PR tree-optimization/26260
12905 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12907 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12908 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12909 * tree-ssa-structalias.c (create_variable_info_for): Use
12910 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12912 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12914 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12916 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12917 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12918 of the ending condition.
12919 * tree-ssa-loop-manip.c: Include params.h.
12920 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12921 tree_unroll_loop): New functions.
12922 * tree-pass.h (pass_loop_prefetch): Declare.
12923 * loop.c (rest_of_handle_loop_optimize): Test for
12924 -fprefetch-loop-arrays-rtl.
12925 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12926 * timevar.def (TV_TREE_PREFETCH): New timevar.
12927 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12928 pass_loop_prefetch): New.
12929 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12930 (cleanup_tree_cfg_loop): Call scev_reset.
12931 * common.opt (fprefetch-loop-arrays-rtl): Add.
12932 * tree-ssa-loop-prefetch.c: New file.
12933 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12934 (new_temp_expr_table): Initialize expr_vars.
12935 (free_temp_expr_table): Cleanup expr_vars.
12936 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12937 expressions from being merged into one.
12938 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12939 (struct tree_niter_desc): Add control, bound and cmp fields.
12940 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12942 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12943 (tree-cfgcleanup.o): Add SCEV_H dependency.
12944 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12945 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12947 2006-02-14 Richard Guenther <rguenther@suse.de>
12949 PR tree-optimization/26258
12950 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12951 in PHI argument processing.
12953 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12955 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12956 new expression in the requested machine mode.
12958 2006-02-13 Roger Sayle <roger@eyesopen.com>
12960 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12961 directly, instead let do_compare_rtx_and_jump handle this for us.
12962 * expr.c (expand_expr_real_1): Likewise.
12963 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12964 before do_jump_by_parts_greater.
12965 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12966 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12968 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12970 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12972 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12974 PR rtl-optimization/26235
12975 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12976 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12979 2006-02-13 Jeff Law <law@redhat.com>
12981 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12984 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12986 PR middle-end/26092
12987 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12988 twice if decl is a builtin. When trying again, call get_callee_fndecl
12989 first to verify it is still a builtin.
12991 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12993 * dwarf2out.c (base_type_die): Don't add AT_name here.
12994 (subrange_type_die): Don't add AT_name here.
12995 (modified_type_die): Rearrange code flow. Do add AT_name here.
12997 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12999 PR rtl-optimization/26247
13000 PR rtl-optimization/26248
13001 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13003 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13005 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13006 * config/fixtfdi.c: Likewise.
13007 * config/fixunstfdi.c: Likewise.
13008 * config/floatditf.c: Likewise.
13010 2006-02-13 Roger Sayle <roger@eyesopen.com>
13012 PR middle-end/24427
13013 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13014 into (X,C2) if C1 is a subset of the bits of C2. Transform
13015 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13017 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13019 2006-02-13 Josh Conner <jconner@apple.com>
13022 * varasm.c (function_section): Check for section name before
13023 calling select_section on targets that define
13024 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13025 unlikely_text_section instead of hot_function_section if
13026 first_function_block_is_cold.
13028 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13030 PR middle-end/25335
13031 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13033 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13035 PR rtl-optimization/26222
13036 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13037 after tree->rtl expansion.
13038 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13039 before passing it to emit_move_insn.
13041 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13043 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13045 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13046 Clarify documentation.
13047 * c-common.h (warn_write_strings): Remove.
13048 * c-common.c (warn_write_strings): Likewise.
13049 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13052 2006-02-12 Roger Sayle <roger@eyesopen.com>
13054 PR middle-end/25724
13055 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13056 (do_jump_parts_zero_rtx): New function renamed from
13057 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13058 (do_jump_parts_equality_rtx): New function split out from
13059 do_jump_parts_equality. Old implementation renamed as above.
13060 Call do_jump_parts_zero_rtx if either operand is zero.
13061 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13062 do all of the heavy lifting.
13063 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13064 calling either do_jump_by_parts_greater_rtx or
13065 do_jump_by_parts_equality_rtx.
13066 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13067 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13068 moved to do_compare_rtx_and_jump, call it directly.
13069 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13070 mode argument. Call do_compare_rtx_and_jump.
13071 (emit_case_nodes): Update calls to do_jump_if_equal.
13073 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13075 PR rtl-optimization/26225
13076 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13078 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13080 PR rtl-optimization/26232
13081 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13083 2006-02-11 Jason Merrill <jason@redhat.com>
13086 * tree-inline.c (declare_return_variable): Just don't use the
13087 modify target if it's a gimple complex reg and the return slot
13090 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13092 * doc/contrib.texi: Update my entry.
13094 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13096 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13098 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13100 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13103 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13105 * doc/invoke.texi (-floop-optimize2): Removed.
13106 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13107 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13108 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13109 * common.opt (floop-optimize2): Removed.
13110 (fmove-loop-invariants): Enabled by default.
13112 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13114 * tree-if-conv.c (combine_blocks): Free the result of
13115 get_loop_exit_edges.
13117 2006-02-10 Jeff Law <law@redhat.com>
13119 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13121 PR tree-optimization/26213
13122 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13123 loop trying to follow SSA_NAME_VALUE chains.
13125 2006-02-10 Richard Guenther <rguenther@suse.de>
13127 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13128 deal with structures that end in implicitly variable sized arrays.
13130 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13132 PR rtl-optimization/24762
13133 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13136 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13138 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13139 (struct ivopts_data): Add regs_used field.
13140 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13141 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13142 instead of loop_data->regs_used;
13143 (free_loop_data): Do not free aux fields for loops.
13144 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13145 and tree_ssa_iv_optimize_finalize.
13147 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13149 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13151 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13154 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13155 computing the effective result type.
13157 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13159 PR inline-asm/16194
13160 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13161 (tree_overlaps_hard_reg_set): Declare.
13162 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13163 type and signature to match function type expected by walk_tree.
13164 (tree_overlaps_hard_reg_set): New function.
13165 (decl_conflicts_with_clobbers_p): Rename to:
13166 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13167 Use tree_overlaps_hard_reg_set. Changed caller.
13168 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13169 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13170 * cris.c (cris_md_asm_clobbers): Likewise.
13172 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13174 * reload1.c (emit_input_reload_insns): Delete code that tries to
13175 inherit using find_equiv_reg.
13177 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13179 * c-common.h (flag_const_strings): Don't declare.
13180 * c-common.c (flag_const_strings): Remove.
13181 * c.opt (fconst_strings): Remove.
13182 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13183 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13184 (c_common_init_options): Don't set flag_const_strings.
13185 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13187 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13189 * arm.md (tlobits_cbranch): New pattern.
13190 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13191 testing a single bit.
13193 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13196 * tree-ssa-pre.c (create_component_ref_by_pieces):
13197 Handle RETURN_DECL like VAR_DECL.
13199 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13201 PR middle-end/26134
13202 * fold-const.c (fold_indirect_ref_1): Fold
13203 "*(foo *)&complexfoo" to "__real__ complexfoo"
13204 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13206 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13208 * tree-flow-inline.h (var_can_have_subvars):
13209 Volatile variables should not have subvariables.
13211 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13214 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13215 multiplying unsigned values.
13218 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13220 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13222 2006-02-08 Jason Merrill <jason@redhat.com>
13225 * tree.def: Elaborate on difference from MODIFY_EXPR.
13226 * doc/c-tree.texi (INIT_EXPR): Likewise.
13227 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13228 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13229 (gimplify_target_expr): Likewise.
13230 (gimplify_cond_expr): Remove target handling.
13231 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13232 (gimplify_expr): Clobber it here.
13233 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13234 Do return slot optimization if we have an INIT_EXPR.
13237 * tree-inline.c (declare_return_variable): Also clear
13238 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13241 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13243 PR middle-end/22439
13244 * gimplify.c (gimplify_one_sizepos): Fix typo.
13246 2006-02-08 Jeff Law <law@redhat.com>
13248 PR tree-optimization/21417
13249 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13250 across a backedge if the control statement at the end of the
13251 block is data dependent on other statements in the same block.
13252 (record_temporary_equivalences_from_stmts): Remove over-conservative
13253 test for threading across backedges.
13255 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13256 control statement, handle all three special cases in the same
13257 manner as they all have the same desired solution. No longer
13258 special case edge flag updating when the post dominator is
13261 2006-02-08 Roger Sayle <roger@eyesopen.com>
13263 * tree.def (CHAR_TYPE): Remove.
13264 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13265 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13266 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13267 (gen_string_type_die): Delete unreachable function.
13269 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13270 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13271 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13272 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13273 * builtins.c (type_to_class): Likewise.
13274 * fold-const.c (fold_convert, build_range_check,
13275 merge_ranges): Likewise.
13276 * expr.c (count_type_elements): Likewise.
13277 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13278 * stor-layout.c (layout_type): Likewise.
13279 * ipa-type-escape.c (type_to_consider): Likewise.
13280 * gimplify.c (omp_firstprivatize_type_sizes,
13281 gimplify_type_sizes): Likewise.
13282 * explow.c (promote_mode): Likewise.
13283 * tree-sra.c (is_sra_scalar_type): Likewise.
13284 * varasm.c (output_constant): Likewise.
13285 * tree-inline.c (remap_type_1): Likewise.
13286 * convert.c (convert_to_pointer, convert_to_real,
13287 convert_to_integer, convert_to_complex): Likewise.
13289 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13291 * df-scan.c (df_def_record_1): A set destination may
13292 be a parallel regardless of mode.
13294 2006-02-08 Roger Sayle <roger@eyesopen.com>
13297 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13298 * config/mips/_tilib.c: Remove.
13299 * config/fixtfdi.c: New libgcc source file.
13300 * config/fixunstfdi.c: New source file.
13301 * config/floatditf.c: New source file.
13302 * config/floatunditf.c: New souce file.
13303 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13304 files above instead of config/mips/_tilib.c.
13305 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13307 2006-02-08 Jeff Law <law@redhat.com>
13309 PR tree-optimization/26169
13310 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13313 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13315 * df.h (DF_REG_SIZE): Return the length of the initialized
13318 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13320 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13321 __muldf3): Return a correctly signed zero.
13323 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13325 * passes.c (register_one_dump_file): Accept the current properties
13326 instead of pass number. Adjust call to dump_register. Remove
13328 (register_dump_files): Now a wrapper around...
13329 (register_dump_files_1): ... this one. Do not modify the pass
13331 (next_pass_1): Cosmetic fix.
13332 (execute_todo): Keep second parameter only. Use curr_properties
13333 instead of fetching it from the pass structure. Check and set
13335 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13336 instead of fetching it from the pass structure. Fix calls to
13337 execute_todo. Update curr_properties and initialize .vcg RTL dump
13338 after running the pass. Reset last_verified.
13339 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13341 (FIRST_AUTO_NUMBERED_DUMP): New.
13342 (dump_register): Remove "num" parameter, assign it within the
13344 (get_dump_file_name): Modify template for dumps.
13345 * tree-dump.h (dump_register): Adjust prototype.
13346 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13347 (PROP_trees): Add PROP_gimple_lomp.
13348 (TODO_set_props): New.
13349 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13350 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13351 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13353 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13355 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13356 (sparc64-*-linux*): Likewise.
13357 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13358 * config/sparc/t-linux: New file.
13359 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13360 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13361 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13362 -m32 -mlong-double-128.
13364 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13365 * config/alpha/t-linux: New file.
13366 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13368 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13369 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13370 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13371 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13372 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13373 (CPP_ARCH32_SPEC): Remove.
13375 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13377 PR tree-optimization/26145
13378 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13381 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13384 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13385 >= 240000 when generating code for SOM runtime.
13386 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13387 to $$dyncall when generating code for SOM runtime..
13389 2006-02-07 Dirk Mueller <dmueller@suse.com>
13392 * doc/invoke.texi (-Wsequence-point): Update documentation
13393 that -Wsequence-point is implemented for C++ as well.
13395 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13397 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13398 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13399 (LIB_SPEC): Likewise.
13400 * doc/invoke.texi (SPARC options): Document -pthread.
13402 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13404 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13407 2006-02-07 Roger Sayle <roger@eyesopen.com>
13409 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13410 Correct comment describing BOOLEAN_TYPE.
13412 2006-02-07 Dirk Mueller <dmueller@suse.com>
13414 * c.opt: C++ frontend supports -Wdiv-by-zero.
13415 * c-opts.c (c_common_handle_option): Remove dead case.
13417 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13419 * configure.ac (TLS assembler check): Do not enable TLS by
13420 default on SPARC/Solaris before version 10.
13421 * configure: Regenerate.
13423 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13425 * doc/invoke.texi (xl-compat): Document conversion and support
13428 2006-02-07 Jeff Law <law@redhat.com>
13430 * tree-vrp.c (find_conditional_asserts): Update comments.
13431 (simplify_stmt_for_jump_threading): New.
13432 (identify_jump_threads, finalize_jump_threads): New.
13433 (vrp_finalize): Call identify_jump_threads.
13434 (execute_vrp): Call finalize_jump_threads.
13435 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13436 (vrp_element, vrp_data, vrp_element_p): Remove.
13437 (vrp_hash_elt, vrp_variables_stack): Remove.
13438 (vrp_hash, vrp_eq, record_range): Remove.
13439 (simplify_cond_and_lookup_avail_expr): Remove.
13440 (extract_range_from_cond): Remove.
13441 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13442 (simplify_stmt_for_jump_threading): New.
13443 (dom_thread_across_edge): New wrapper.
13444 (tree_ssa_dominator_optimize): No longer initialize or
13445 finalize any of the VRP datastructures. Remove iteration
13446 step and simplify as a result of removal of iteration step.
13447 (pass_dominator): Perform a cfg cleanup after DOM.
13448 (dom_opt_finalize_block): Use the new common routines
13449 for threading jumps. Simplify stack management slightly.
13450 No longer need to unwind VRP state.
13451 (record_equivalences_from_incoming_edge): No longer record
13453 (eliminate_redundant_computations): No longer call
13454 simplify_cond_and_lookup_avail_expr.
13455 * tree-flow.h (potentially_threadable_block): Prototype.
13456 (thread_across_edge): Likewise.
13457 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13458 (tree-ssa-threadedge.o): Add dependencies.
13459 * tree-ssa-threadedge.c: New file.
13460 * passes.c (init_optimization_passes): Merge PHIs before
13461 calling VRP. Run VRP again late in the SSA optimization pipeline.
13463 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13465 * df-core.c (df_set_blocks): Do not dereference function pointers.
13466 (df_finish1): Likewise.
13467 (df_hybrid_search_forward): Likewise.
13468 (df_hybrid_search_backward): Likewise.
13469 (df_iterative_dataflow): Likewise.
13470 (df_analyze_problem): Likewise.
13471 (df_compact_blocks): Likewise.
13472 (df_dump): Likewise.
13473 * df-scan.c (df_rescan_blocks): Likewise.
13474 (df_record_entry_block_defs): Likewise.
13476 * genconditions.c (write_conditions): Guard the definition of
13477 'insn_conditions' with the check on GCC version.
13478 (write_writer): Guard the traversal 'insn_conditions' with
13479 the check on GCC version.
13481 2006-02-07 Richard Guenther <rguenther@suse.de>
13485 2006-01-30 Richard Guenther <rguenther@suse.de>
13487 * gimplify.c (gimplify_target_expr): Handle easy cases
13488 without creating a temporary.
13490 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13492 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13493 use of float in probability computations. Use edge probabilities
13494 in place of statically computed probabilities.
13495 (min_spec_prob): New static variable.
13496 (schedule_insns): Initialize it.
13497 (GET_SRC_PROB): Removed.
13498 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13500 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13503 * config/ia64/unwind-ia64.c: Revert last change.
13504 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13505 (INCOMING_FRAME_SP_OFFSET): Define.
13507 2006-02-06 Roger Sayle <roger@eyesopen.com>
13509 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13511 2006-02-07 Ben Elliston <bje@au.ibm.com>
13513 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13514 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13515 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13516 (ix86_return_in_memory): Handle TDmode.
13517 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13518 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13520 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13522 * reorg.c (dbr_schedule): Use dump_file instead of file.
13524 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13527 * config/ia64/predicates.md (extr_len_operand): New predicate.
13528 * config/ia64/ia64.md (extv): Tighten constraints.
13530 (*tbit_and_2): Ditto.
13531 (*tbit_and_3): Ditto.
13532 (*tbit_or_2): Ditto.
13533 (*tbit_or_3): Ditto.
13534 (*bit_zero): Ditto.
13537 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13540 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13542 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13544 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13545 loop_optimizer_init and loop_optimizer_finalize
13546 * tree-ssa-sink.c (execute_sink_code): Ditto.
13547 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13548 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13549 tree_ssa_loop_done): Ditto.
13550 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13551 * sched-ebb.c: Include output.h.
13552 (schedule_ebbs): Do not use dump argument.
13553 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13554 * loop.c (loop_dump_stream): Removed.
13555 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13557 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13558 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13559 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13560 loop_iterations, strength_reduce, record_biv, record_giv,
13561 final_giv_value, check_final_value, check_ext_dependent_givs,
13562 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13563 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13564 dump_file instead of loop_dump_stream.
13565 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13566 argument dump_file.
13567 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13569 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13570 * haifa-sched.c: Include output.h
13571 (schedule_insns, sched_init): Do not use dump argument.
13572 * mode-switching.c (optimize_mode_switching): Ditto.
13573 * modulo-sched.c (stats_file): Removed.
13574 (print_node_sched_params): Do not call argument dump_file.
13575 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13576 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13578 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13580 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13581 rtl_loop_init, rtl_loop_done): Ditto.
13582 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13583 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13585 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13586 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13587 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13588 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13589 * emit-rtl.c (renumber_insns): Ditto.
13590 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13591 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13592 * regclass.c (regclass): Ditto.
13593 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13594 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13595 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13596 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13598 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13599 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13601 * gcse.c (gcse_file, debug_stderr): Removed.
13602 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13603 rest_of_handle_gcse): Do not use dump argument.
13604 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13605 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13606 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13607 compute_code_hoist_vbeinout, compute_code_hoist_data,
13608 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13609 compute_store_table, build_store_vectors, insert_insn_start_bb,
13610 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13611 store_motion): Use dump_file instead of gcse_file.
13612 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13613 * profile.c (profile_dump_file): Removed.
13614 (branch_prob): Use dump_file instead of profile_dump_file.
13615 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13617 * tree-ssa-copy.c (dump_copy_of): Ditto.
13618 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13619 dump file to life_analysis.
13620 * bt-load.c (branch_target_load_optimize): Ditto.
13621 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13623 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13624 regclass, dbr_schedule): Declaration changed.
13625 * sched-int.h (sched_init): Declaration changed.
13626 * tree-profile.c (tree_profile_dump_file): Removed.
13627 (tree_profile_hooks): Removed profile_dump_file hook.
13628 * rtl-profile (rtl_profile_dump_file): Removed.
13629 (rtl_profile_hooks): emoved profile_dump_file hook.
13630 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13632 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13633 * tree-cfg.c (build_tree_cfg): Ditto.
13634 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13635 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13636 Declaration changed.
13637 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13638 life_analysis and schedule_insns.
13639 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13641 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13643 * config/mips/mips.c (mips_reorg): Ditto.
13644 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13647 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13649 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13650 (s390_mangle_fundamental_type): New.
13651 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13654 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13655 (alpha_mangle_fundamental_type): New.
13656 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13659 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13661 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13663 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13664 (sparc_mangle_fundamental_type): New.
13666 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13668 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13669 (s390x-*-linux*): Likewise.
13670 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13671 * config/s390/t-linux: New file.
13673 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13675 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13676 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13678 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13680 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13681 (ANTIC_SAFE_LOADS): New macro.
13682 (find_or_generate_expression): Add prototype.
13683 (set_contains_value): Allow null set for sake of not always having
13684 to allocate ANTIC_SAFE_LOADS.
13685 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13686 Allow COMPONENT_REF too.
13687 (valid_in_set): Allow COMPONENT_REF.
13688 Check ANTIC_SAFE_LOADS too.
13689 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13690 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13692 (can_PRE_operation): Add COMPONENT_REF.
13693 (create_component_ref_by_pieces): New function.
13694 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13695 (insert_aux): Move AGGREGATE_TYPE_P check here.
13696 (compute_avail): Set bb local stmt uids.
13697 (pass_pre): Use TODO_update_ssa_only_virtuals.
13699 2006-02-06 Ben Elliston <bje@au.ibm.com>
13701 * configure.ac: Unconditionally disable decimal float by default.
13702 * configure: Regenerate.
13704 2006-02-06 Ben Elliston <bje@au.ibm.com>
13706 * read-rtl.c (read_name): Terminate reading on EOF.
13708 2006-02-06 Ben Elliston <bje@au.ibm.com>
13710 * dfp.c (decimal_real_arithmetic): Change second argument type
13711 from int to enum tree_code. Do not always return true, but now
13712 return result of any call to decimal_do helper functions.
13713 * dfp.h (decimal_real_arithmetic): Update prototype.
13715 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13717 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13719 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13722 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13725 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13727 * tree-vrp.c (cfg_loops): Removed.
13728 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13729 Use current_loops instead of cfg_loops. Pass flags to
13730 loop_optimizer_init.
13731 * cfgloopmanip.c (fix_loop_structure): Update only available
13733 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13734 loop_optimizer_init.
13735 * modulo-sched.c (build_loops_structure): Removed.
13736 (sms_schedule): Use loop_optimizer_init.
13737 * loop-init.c (loop_optimizer_init): Use flags to determine
13738 which properties of loops to prepare.
13739 (rtl_loop_init): Pass flags to loop_optimizer_init.
13740 * tree-ssa-sink.c (execute_sink_code): Ditto.
13741 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13742 * tree-ssa-pre.c (init_pre): Ditto.
13743 * cfgloop.h (LOOPS_NORMAL): New.
13744 (loop_optimizer_init): Declaration changed.
13746 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13748 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13749 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13751 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13753 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13755 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13756 * pa/t-pa64: Delete quadlib.c rule.
13757 * pa/x-ada: Revert last change.
13758 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13760 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13762 PR rtl-optimization/26087
13763 * rtlanal.c (canonicalize_condition): Do not cross basic block
13766 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13769 * config/ia64/ia64.c: Include debug.h.
13770 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13771 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13772 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13773 (process_epilogue, process_set, process_for_unwind_directive):
13774 Output unwind info only if requested. Add CFA info if requested.
13775 Add new arguments as needed. Adjust callers.
13776 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13778 (DWARF2_FRAME_INFO): Define to zero.
13779 * config/ia64/unwind-ia64.c: Remove code that compensated for
13780 the CFA offset error fixed above.
13781 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13782 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13783 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13784 -funwind-tables and -fexceptions to enable frame info.
13785 (dwarf2out_frame_init): Define initial CFA even if
13786 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13787 DWARF2_UNWIND_INFO is nonzero, not just defined.
13788 (dwarf2out_frame_finish): Output non-EH call frame info only
13789 if DWARF2_FRAME_INFO is nonzero.
13790 (convert_cfa_to_loc_list,
13791 compute_frame_pointer_to_cfa_displacement): Define even if
13792 unwind info is not supported.
13793 (gen_subprogram_die): Use the above unconditionally. Remove
13794 legacy alternate code.
13795 * toplev.c (compile_file): Compile in call to
13796 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13797 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13799 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13800 Jakub Jelinek <jakub@redhat.com>
13802 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13803 IBM extended float format long double as "g" on powerpc*-linux.
13805 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13808 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13809 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13811 2006-02-03 Jason Merrill <jason@redhat.com>
13814 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13816 PR middle-end/25977
13817 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13818 on the return slot if it's an NRV.
13820 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13822 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13823 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13824 rewrite_use): Do not handle USE_OUTER.
13825 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13826 add_iv_outer_candidates, may_replace_final_value,
13827 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13828 (find_interesting_uses_op): Functionality of
13829 find_interesting_uses_outer_or_nonlin moved here.
13830 (find_interesting_uses_outside): Use find_interesting_uses_op.
13832 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13835 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13837 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13838 Ulrich Weigand <uweigand@de.ibm.com>
13841 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13842 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13843 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13844 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13846 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13847 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13848 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13849 Define secondary reloads for TFmode moves.
13850 (constant_modes): Add TFmode.
13851 (NR_C_MODES): Set to 8.
13852 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13854 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13855 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13856 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13857 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13858 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13859 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13860 (FPR mode macro): Add TFmode.
13861 (DSF mode macro): New.
13862 (<de>, <dee> mode attributes): Removed.
13863 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13864 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13865 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13866 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13867 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13868 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13869 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13870 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13871 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13872 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13873 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13874 "*negabs<mode>2", "sqrt<mode>2"):
13875 Changed <de> to <xde>. R constraint replaced by <Rf>.
13876 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13878 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13879 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13880 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13882 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13883 "extenddftf2", "extendsftf2"): New expanders.
13884 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13885 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13886 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13887 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13889 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13890 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13891 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13892 __floatditf): Add a GCC_4.1.0 symbol version tag.
13893 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13896 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13899 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13900 Use targetm.binds_local_p instead of TREE_PUBLIC.
13902 2006-02-02 Roger Sayle <roger@eyesopen.com>
13904 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13905 on INTEGER_TYPEs to indicate that it denotes a character type.
13906 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13907 signed_char_type_node, unsigned_char_type_node and char_type_node.
13908 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13909 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13910 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13912 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13913 Daniel Berlin <dberlin@dberlin.org>
13915 * tree-tailcall.c (arg_needs_copy_p): New function.
13916 (eliminate_tail_call): Use arg_needs_copy_p.
13917 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13918 (add_virtual_phis): New function.
13920 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13922 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13923 #ignore instead of #scratch for %g7 .register directive.
13925 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13927 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13930 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13932 * flow.c (calculate_global_regs_live): Assert that there aren't any
13935 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13937 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13938 what its name says.
13939 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13940 bsi_after_labels iterator.
13941 * tree-if-conv.c (find_phi_replacement_condition,
13942 replace_phi_with_cond_modify_expr): Likewise.
13943 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13944 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13946 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13948 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13950 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13953 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13954 array after growing it.
13956 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13958 PR middle-end/24901
13959 * fold-const.c (fold_checksum_tree): Change type of buf.
13961 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13963 * reload.c (push_secondary_reload): Initialize t_icode.
13965 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13967 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13968 -msoft-float -mlong-double-128 only issue a warning, but don't
13969 swich to DFmode long double.
13971 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13973 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13974 has a constant equivalent, iterate over equivalents for arg0,
13975 calling simplify_relational_operation and if there's a result
13976 cheaper than X, apply fold_rtx and return the result.
13978 2006-02-01 Jan Hubicka <jh@suse.cz>
13980 * opts.c (no_unit_at_a_time_default): New global variable.
13981 (decode_options): Use it.
13982 * opts.h (no_unit_at_a_time_default): Declare.
13984 2006-02-01 Paul Brook <paul@codesourcery.com>
13986 * function.c (assign_parm_setup_reg): Use function argument promotion
13988 * expr.c (expand_expr_real_1): Use function argument promotion rules
13991 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13993 * gcc.c (process_command): Change j to 'unsigned int'.
13995 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13997 PR middle-end/26001
13998 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13999 Use the corrected index for the character
14000 out of the string constant.
14002 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14004 * mode-switching.c (optimize_mode_switching): Fix size
14005 allocated for bb_info[n_entities].
14007 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14009 * gcc.c (main): Correct type that is allocated for
14010 explicit_link_files.
14012 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14014 * config/s390/s390.c (init_alignment_context): Set
14015 ALIAS_SET_MEMORY_BARRIER on the MEM.
14016 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14018 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14020 PR middle-end/25933
14021 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14023 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14026 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14028 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14029 * regrename.c: Ditto.
14030 * tree-ssa-loop-im.c: Ditto.
14031 * tree-dump.c: Ditto.
14032 * tree-complex.c: Ditto.
14033 * genrecog.c: Ditto.
14034 * tree-ssa-threadupdate.c: Ditto.
14036 * java/class.c: Ditto.
14037 * java/jcf-parse.c: Ditto.
14038 * java/resource.c: Ditto.
14039 * java/except.c: Ditto.
14040 * java/jvspec.c: Ditto.
14041 * java/jcf-write.c: Ditto.
14042 * java/jcf-path.c: Ditto.
14043 * java/gjavah.c: Ditto.
14044 * java/zextract.c: Ditto.
14045 * java/jcf-io.c: Ditto.
14046 * java/jcf.h: Ditto.
14047 * java/buffer.c: Ditto.
14048 * java/lang.c: Ditto.
14049 * java/parse-scan.y: Ditto.
14050 * java/lex.c: Ditto.
14051 * java/lex.h: Ditto.
14052 * cfgloopmanip.c: Ditto.
14053 * postreload-gcse.c: Ditto.
14054 * tree-ssa-loop-manip.c: Ditto.
14055 * postreload.c: Ditto.
14056 * tree-ssa-loop-ch.c: Ditto.
14059 * cppspec.c: Ditto.
14060 * diagnostic.c: Ditto.
14062 * genoutput.c: Ditto.
14064 * cfghooks.c: Ditto.
14065 * cfgloopanal.c: Ditto.
14066 * objc/objc-act.c: Ditto.
14068 * genextract.c: Ditto.
14069 * genautomata.c: Ditto.
14070 * pretty-print.c: Ditto.
14071 * genemit.c: Ditto.
14072 * cgraphunit.c: Ditto.
14074 * df-scan.c: Ditto.
14075 * haifa-sched.c: Ditto.
14076 * dominance.c: Ditto.
14078 * tree-ssa-loop-ivopts.c: Ditto.
14079 * df-core.c: Ditto.
14080 * mode-switching.c: Ditto.
14081 * modulo-sched.c: Ditto.
14083 * ipa-pure-const.c: Ditto.
14085 * fix-header.c: Ditto.
14087 * tree-stdarg.c: Ditto.
14088 * ipa-utils.c: Ditto.
14089 * loop-init.c: Ditto.
14090 * ipa-inline.c: Ditto.
14091 * cfganal.c: Ditto.
14093 * alloc-pool.c: Ditto.
14094 * dwarf2out.c: Ditto.
14096 * genattrtab.c: Ditto.
14097 * tree-ssa-loop-ivcanon.c: Ditto.
14098 * predict.c: Ditto.
14099 * timevar.c: Ditto.
14101 * fortran/gfortranspec.c: Ditto.
14102 * regmove.c: Ditto.
14103 * local-alloc.c: Ditto.
14104 * langhooks.c: Ditto.
14105 * function.c: Ditto.
14106 * tree-vectorizer.c: Ditto.
14108 * ipa-type-escape.c: Ditto.
14110 * tree-if-conv.c: Ditto.
14111 * profile.c: Ditto.
14113 * tree-data-ref.c: Ditto.
14114 * loop-unroll.c: Ditto.
14115 * treelang/treetree.c: Ditto.
14117 * bt-load.c: Ditto.
14118 * ggc-common.c: Ditto.
14120 * coverage.c: Ditto.
14122 * tree-cfgcleanup.c: Ditto.
14123 * tree-ssa-pre.c: Ditto.
14124 * cfgcleanup.c: Ditto.
14125 * loop-invariant.c: Ditto.
14126 * loop-iv.c: Ditto.
14127 * ipa-prop.c: Ditto.
14128 * print-tree.c: Ditto.
14129 * conflict.c: Ditto.
14130 * ggc-page.c: Ditto.
14131 * sched-deps.c: Ditto.
14132 * regclass.c: Ditto.
14133 * tree-object-size.c: Ditto.
14134 * combine.c: Ditto.
14135 * bb-reorder.c: Ditto.
14136 * resource.c: Ditto.
14137 * var-tracking.c: Ditto.
14138 * cfgloop.c: Ditto.
14139 * df-problems.c: Ditto.
14140 * reg-stack.c: Ditto.
14142 * gccspec.c: Ditto.
14143 * sched-rgn.c: Ditto.
14144 * tree-ssa-structalias.c: Ditto.
14145 * tree-ssa-reassoc.c: Ditto.
14146 * config/darwin-c.c: Ditto.
14147 * config/darwin.c: Ditto.
14148 * config/arm/arm.c: Ditto.
14150 * collect2.c: Ditto.
14151 * reload1.c: Ditto.
14153 2006-01-31 Nicolas Pitre <nico@cam.org>
14155 * arm.md (smaxsi3): Make aware of smax_m1.
14158 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14160 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14162 2006-01-31 Richard Guenther <rguenther@suse.de>
14164 * doc/invoke.texi (-msselibm): Document.
14165 * target.h (expand_library_builtin): New target hook.
14166 * builtins.c (expand_builtin): Use expand_library_builtin.
14167 (default_expand_library_builtin): New function.
14168 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14169 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14170 (link_gcc_math_spec): Declare.
14171 (static_specs): Add link_gcc_math_spec.
14172 * expr.h (default_expand_library_builtin): Declare.
14173 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14174 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14175 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14176 * config/i386/i386.opt (msselibm): New target option.
14177 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14178 (ix86_init_sse_abi_builtins): New function.
14179 (ix86_expand_library_builtin): Likewise.
14180 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14181 (override_options): Handle error conditions wrt -msselibm.
14182 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14183 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14184 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14187 2006-01-31 Richard Guenther <rguenther@suse.de>
14188 Paolo Bonzini <bonzini@gnu.org>
14190 * doc/install.texi (--disable-libgcc-math): Document.
14192 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14194 * expr.h (expand_normal): new inline function.
14195 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14196 * dojump.c: use it.
14197 * dwarf2out.c: use it.
14200 * expmed.c: use it.
14201 * except.c: use it.
14202 * config/sparc/sparc.c: use it.
14203 * config/i386/i386.c: use it.
14204 * config/rs6000/rs6000.c: use it.
14205 * config/arm/arm.c: use it.
14206 * config/mips/mips.c: use it.
14207 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14209 2006-01-30 Roger Sayle <roger@eyesopen.com>
14211 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14212 argv to the appropriate type.
14214 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14216 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14219 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14222 * config/s390/s390.c (struct machine_function): New flag
14223 decomposed_literal_pool_addresses_ok_p.
14224 (s390_reorg): Set it before final stage of literal pool transforms.
14225 (s390_decompose_address): Only accept displacements of the form
14226 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14228 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14230 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14231 the comparison routine return.
14233 2006-01-30 Michael Matz <matz@suse.de>
14235 * global.c (find_reg): Only evict for global regs.
14236 Take n_refs into account and dump more info.
14238 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14241 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14242 (pragma_trap, pragma_nosave_low_regs): Likewise.
14243 (current_function_anonymous_args): Likewise.
14244 (sh_deferred_function_attributes): New variable.
14245 (sh_deferred_function_attributes_tail): Likewise.
14246 (print_operand): For '@', look up trap_exit attribute.
14247 (calc_live_regs): Look up trapa_handler attribute. For trapa
14248 handlers, save/restore fpscr, but don't do any other
14249 interrupt-specific saves.
14250 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14251 Fix check for partially saved registers to check for SHmedia.
14252 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14253 (sh_output_function_epilogue): Don't clear any of the removed
14255 (sh_insert_attributes): Don't check pragma_interrupt.
14256 Insert deferred attributes. Check that interrupt attribute is
14257 present for other attributes that require its presence.
14258 (sh_attribute_table): Add new attributes trapa_handler and
14260 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14261 Don't check for pragma_interrupt. Don't store argument.
14262 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14263 (sh_deferred_function_attributes): Declare.
14264 (sh_deferred_function_attributes_tail): Likewise.
14265 * sh.md (sp_switch_1): Add operand. Change generator caller.
14266 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14267 (*return_i): Don't use when trap_exit attribute is in effect.
14268 (*return_trapa): New insn pattern.
14269 * sh-c.c: New file.
14270 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14271 setting c_target_objs and cxx_target_objs.
14272 * t-sh: Add rule for sh-c.o.
14274 2006-01-30 Richard Guenther <rguenther@suse.de>
14277 * gimplify.c (gimplify_target_expr): Handle easy cases
14278 without creating a temporary.
14280 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14282 * vec.h (safe_grow): Remove duplicated line.
14284 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14287 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14288 (expand_omp): ... here.
14289 (expand_omp_parallel): Only remove barriers for combined
14290 parallel+workshare constructs.
14292 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14296 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14297 * tree.c (build_qualified_type): Chain the new type to the original
14298 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14299 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14300 (build_pointer_type_for_mode): Only return unqualified types.
14301 (build_reference_type_for_mode): Likewise.
14303 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14305 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14306 * Makefile.in (CXX_COMPAT_WARN): Define.
14307 * configure: Regenerate.
14309 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14312 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14315 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14317 * toplev.c: Fix thinko.
14319 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14320 Marcin Dalecki <martin@dalecki.de>
14322 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14323 (push_srcloc): Use XNEW.
14324 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14326 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14328 * df-core.c (df_set_blocks): Deleted all variable.
14330 2006-01-28 Ian Lance Taylor <ian@airs.com>
14332 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14333 cgraph_output_pending_asms.
14335 2006-01-28 Zack Weinberg <zackw@panix.com>
14337 * c.opt: Add -W(no-)overlength-strings.
14338 * doc/invoke.texi: Document it.
14339 * c-opts.c (c_common_handle_option): -pedantic implies
14340 -Woverlength-strings, if not explicitly disabled already.
14341 (c_common_post_options): -Woverlength-strings defaults to off, and
14342 is always off for C++.
14343 * c-common.c (fix_string_type): Issue warning about strings longer
14344 than is portable only if warn_overlength_strings. Rearrange code
14345 a little for clarity.
14346 * configure.in: Check for -Wno-overlength-strings as well before
14347 enabling -pedantic in stage 1.
14348 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14349 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14351 * genconditions.c (write_header, write_one_condition)
14352 (write_conditions, write_writer): Consolidate very long strings
14353 that were broken up to fit in C89 portable limit. Don't use
14354 printf when fputs will do.
14356 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14358 * combine.c (simplify_comparison <AND>): Check
14359 TRULY_NOOP_TRUNCATION before start using a subreg.
14361 * config/mips/mips.md (*branch_zero<mode>,
14362 *branch_zero<mode>_inverted, *branch_equality<mode>,
14363 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14364 Remove mode check from comparisons.
14366 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14368 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14370 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14372 * expmed.c (const_mult_add_overflow_p): Remove.
14373 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14375 * recog.c (validate_replace_rtx_subexp): Remove.
14376 * recog.h: Remove the prototype for
14377 validate_replace_rtx_subexp.
14379 * integrate.h: Remove the prototype for
14380 copy_decl_for_inlining.
14381 * rtl.h: Remove the prototype for mark_constant_function.
14382 * tree-vectorizer.h: Remove the prototype for
14383 vect_strip_conversion.
14385 * modulo-sched.c (create_partial_schedule,
14386 free_partial_schedule, reset_partial_schedule): Make them
14389 * hooks.c (hook_bool_rtx_int_false): Remove.
14390 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14392 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14394 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14395 and -mlong-double-128 are incompatible.
14396 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14397 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14398 (TARGET_LIBGCC2_CFLAGS): Define.
14399 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14400 (TARGET_LIBGCC2_CFLAGS): Same.
14401 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14403 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14406 * c-typeck.c (build_binary_op): Perform implicit casts of
14407 operands before shortening them.
14409 * cfgloopmanip.c (split_loop_bb): Remove.
14410 * cfgloop.h: Remove the prototype for split_loop_bb.
14412 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14413 * cfgloop.h: Remove the prototype for
14414 flow_loop_outside_edge_p.
14416 * emit-rtl.c (init_virtual_regs): Make it static.
14417 * function.h: Remove the prototype for init_virtual_regs.
14419 * recog.c (peephole2_optimize): Make it static.
14420 * recog.h: Remove the prototype for peephole2_optimize.
14422 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14424 * df-scan.c (df_record_entry_block_defs): Check if
14425 INCOMING_RETURN_ADDR_RTX is defined.
14427 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14428 Kenneth Zadeck <zadeck@naturalbridge.com>
14430 PR rtl-optimization/24762
14431 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14432 * targhooks.c (hook_void_bitmap): New hook prototype.
14433 * targhoohs.h (hook_void_bitmap): Ditto.
14434 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14435 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14436 * target.h (live_on_entry): New function pointer.
14437 * df-scan.c (df_all_hard_regs): Removed.
14438 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14439 (df_scan_free_internal): Added df->entry_block_defs.
14440 (df_scan_alloc): Ditto.
14441 (df_scan_dump): Ditto.
14442 (df_uses_record): Plumbed flag field properly thru calls.
14443 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14444 This part fixes PR24762.
14445 (df_bb_refs_record): Added code to make the frame and arg
14446 pointers live in EH blocks.
14447 (df_refs_record): Added call to df_record_entry_block_defs.
14448 (df_record_entry_block_defs): New function.
14449 * df-core.c: Added comments to describe new artifical defs.
14450 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14451 (entry_block_defs): New field in struct df.
14452 (df_all_hard_regs): Deleted.
14453 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14454 * df-problems.c (df_ru_bb_local_compute_process_def):
14455 Added code to handle artifical defs in the entry to a function.
14456 (df_ru_bb_local_compute): Ditto.
14457 (df_rd_bb_local_compute_process_def): Ditto.
14458 (df_rd_bb_local_compute): Ditto.
14459 (df_lr_bb_local_compute): Ditto.
14460 (df_ur_bb_local_compute): Ditto.
14461 (df_urec_bb_local_compute): Ditto.
14462 (df_chain_create_bb): Ditto.
14463 (df_ur_local_finalize): Removed entry.
14464 (df_urec_init): Ditto.
14465 (df_urec_local_finalize): Ditto.
14466 (df_ri_bb_compute): Added detection of last use of pseudos.
14467 * Makefile.in (df-scan.o): Updated dependencies.
14468 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14469 * config/mips/mips.c (mips_set_live_on_entry): Added.
14470 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14472 * dce.c (marked_insn_p): Added code to handle artifical defs.
14474 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14476 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14478 (_mm_cvtsi128_si64): Likewise.
14479 (_mm_cvtsd_si64): Likewise.
14480 (_mm_cvttsd_si64): Likewise.
14481 (_mm_cvtsi64_sd): Likewise.
14482 (_mm_cvtsi64_si128): Likewise.
14483 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14484 (_mm_cvtsi64_m64): Likewise.
14485 (_m_to_int64): Likewise.
14486 (_mm_cvtm64_si64): Likewise.
14487 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14488 (_mm_cvttss_si64): Likewise.
14489 (_mm_cvtsi64_ss): Likewise.
14490 (_mm_cvtss_f32): Likewise.
14492 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14494 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14495 for pragma redefine_extname.
14497 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14500 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14501 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14502 -mno-minimal-toc to previous content.
14503 (bispecs): Remove goal.
14504 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14505 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14506 compatibility aliases on powerpc-*-*gnu*.
14507 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14508 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14509 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14510 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14511 (ldblspecs): New goal.
14512 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14513 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14515 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14516 L_sf_to_tf or L_df_to_tf is defined.
14518 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14519 Alan Modra <amodra@bigpond.net.au>
14522 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14523 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14524 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14525 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14526 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14527 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14528 (rs6000_override_options): Initialize rs6000_ieeequad.
14529 Initialize TFmode format to ibm_extended_format if not
14531 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14533 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14534 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14535 (function_arg_advance): IBM long double passed in two FPRs, not
14537 (function_arg): IBM long double passed in FPRs.
14538 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14539 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14540 Only multireg GPR aligned.
14541 (rs6000_init_libfuncs): Enable IBM long double functions if not
14543 (rs6000_generate_compare): Use IBM long double compare if not
14545 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14546 (TARGET_IEEEQUAD): Define.
14547 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14548 not TARGET_IEEEQUAD.
14549 * config/rs6000/rs6000.md: Enable TFmode patterns if
14551 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14552 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14553 and -mlong-double-128 are incompatible.
14554 * doc/invoke.texi (-mabi): Collect options together. Add
14555 ibmlongdouble and ieeelongdouble.
14557 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14559 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14561 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14562 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14563 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14564 * rtl.h (rtunion_def): Remove rt_ptr.
14566 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14567 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14568 * config/i386/winnt.c (i386_pe_mark_dllexport)
14569 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14571 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14573 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14575 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14579 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14580 pthread_key_delete. From John David Anglin. gthrw-ify
14581 pthread_getunique_np only if it it's not a macro. Delete
14583 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14584 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14585 __gthread_objc_condition_signal, __gthread_key_delete): Add
14586 "__attribute__ ((__unused__))" to unused arguments.
14587 (__gthread_recursive_mutex_init_function): Add missing return.
14588 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14589 gthr-posix95.h: Use macro-based approach for name redirection
14590 on targets missing weakref.
14592 2006-01-26 Zack Weinberg <zackw@panix.com>
14594 * genconditions.c (write_header): In generated code, #ifdef out
14595 all includes and fake declarations, except includes of bconfig.h
14596 and system.h, unless GCC_VERSION >= 3001. Do not include
14597 gensupport.h in any case.
14598 (write_conditions): Generate a definition of struct c_test. Add
14599 a comment to the generated #endif.
14600 (write_one_condition): Escape backslashes in string too.
14601 (write_writer): Generated code must escape backslashes and quote
14602 marks (but not newlines) in the strings it writes.
14603 * Makefile.in (build/gencondmd.o): Update dependencies.
14605 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14608 * Makefile.in (insn-automata.o): Add header file dependencies.
14609 * genautomata.c: Add includes.
14611 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14614 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14616 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14618 * configure.ac: Expect target tools paths to be passed from the toplevel
14619 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14621 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14623 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14626 * c.opt (Wpointer-sign): Init to -1.
14627 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14628 OPT_pedantic, to 0 otherwise.
14629 * doc/invoke.texi: Update.
14631 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14633 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14634 constants provided by 80387 instructions in the destination mode.
14636 2006-01-26 Richard Guenther <rguenther@suse.de>
14637 Andrew Pinski <pinskia@physics.uc.edu>
14640 partial PR tree-opt/17064
14641 * tree-ssa-structalias.c (intra_create_variable_infos):
14642 Create heap variables for incoming parameters if
14643 flag_argument_noalias > 1.
14644 (find_what_p_points_to): Look through default defs of
14647 2006-01-26 Jeff Law <law@redhat.com>
14650 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14651 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14652 within the VR_RANGE, use the VR_RANGE as the result, not the
14654 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14655 bounds for the type.
14657 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14659 * tree-ssa-alias.c (maybe_create_global_var): Change
14660 subvar walking to an assertion that we don't have subvar'd variables.
14662 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14665 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14666 Use a new variable, inner. PARM_DECLs are always non-weak.
14668 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14670 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14671 --disable-checking.
14673 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14675 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14677 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14679 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14680 (smax_insn, smin_insn, smax_0, smin_0): New.
14682 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14685 * config/cris/cris.c (cris_order_for_addsi3): New function.
14686 * config/cris/cris-protos.h: Prototype it.
14687 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14688 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14689 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14690 (split for "op.S1 [rx=rx+i],ry (swapped)")
14691 (split for "op(s|u).S1 [rx=rx+i],ry")
14692 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14693 Apply cris_order_for_addsi3 when generating addsi3 insns.
14695 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14697 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14698 (TREE_BLOCK): Add call to EXPR_CHECK.
14700 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14703 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14704 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14705 (dump_omp_clauses): ... here.
14706 (dump_generic_node): Handle OMP_CLAUSE.
14707 * tree.c (omp_clause_num_ops): New.
14708 (omp_clause_code_name): New.
14709 (tree_code_size): Handle OMP_CLAUSE.
14710 (tree_size): Likewise.
14711 (make_node): Document handling of OMP_CLAUSE.
14712 (tree_node_structure): Handle OMP_CLAUSE.
14713 (omp_clause_check_failed): New.
14714 (omp_clause_range_check_failed): New.
14715 (omp_clause_operand_check_failed): New.
14716 (build_omp_clause): New.
14717 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14718 * tree.h (enum omp_clause_code): Declare.
14719 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14720 (OMP_CLAUSE_RANGE_CHECK): Define.
14721 (OMP_CLAUSE_ELT_CHECK): Define.
14722 (omp_clause_check_failed): Declare.
14723 (omp_clause_operand_check_failed): Declare.
14724 (omp_clause_range_check_failed): Declare.
14725 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14726 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14727 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14728 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14729 (OMP_CLAUSE_IF_EXPR): Likewise.
14730 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14731 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14732 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14733 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14734 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14735 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14736 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14737 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14738 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14739 (OMP_CLAUSE_CODE): Define.
14740 (OMP_CLAUSE_SET_CODE): Define.
14741 (OMP_CLAUSE_CODE): Define.
14742 (OMP_CLAUSE_OPERAND): Define.
14743 (struct tree_omp_clause): Declare.
14744 (union tree_node): Add field 'omp_clause'.
14745 * treestruct.def (TS_OMP_CLAUSE): Define.
14746 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14747 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14748 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14749 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14750 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14751 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14752 (OMP_CLAUSE): Define.
14753 * print-tree.c (print_node): Handle OMP_CLAUSE.
14754 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14755 * c-typeck.c: Likewise.
14756 * gimplify.c: Likewise.
14757 * c-omp.c: Likewise.
14758 * tree-nested.c: Likewise.
14759 * tree-inline.c: Likewise.
14760 * c-parser.c: Likewise.
14761 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14764 2006-01-25 Roger Sayle <roger@eyesopen.com>
14766 PR rtl-optimization/25703
14767 * combine.c (try_combine): Handle zero_extract and strict_low_part
14768 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14770 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14772 * global.c: Fix comment typos.
14774 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14777 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14778 Use output_addr_const instead of assemble_name.
14780 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14782 * Makefile.in (sched-vis.o): Update dependencies.
14783 * haifa-sched.c (sched_finish): Clear current_sched_info.
14784 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14785 (dump_flow_info): Call it.
14786 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14788 * basic-block.h (dump_bb_info): Declare.
14789 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14790 option, and apply options only for dump files whose TDF_RTL,
14791 TDF_TREE, or TDF_IPA bits match.
14792 * rtl.h: Declare new functions exported from sched-vis.c.
14793 * sched-vis.c: Enable also if scheduling is not used.
14794 (print_value): Print the mode of registers if not inside scheduling.
14795 (print_insn): Make it work outside the scheduler. Beautify the output
14797 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14799 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14801 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14802 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14803 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14804 depending on the value of CONSTANT_POOL_ADDRESS_P.
14805 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14807 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14808 rather than SYMBOL_REF_DECL.
14809 (rtx_constant_pool): Remove const_rtx_sym_htab.
14810 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14811 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14812 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14813 Remove handling of const_rtx_sym_htab.
14814 (find_pool_constant): Delete.
14815 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14816 rather than find_pool_constant.
14817 (get_pool_constant_for_function): Delete.
14818 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14819 find_pool_constant.
14820 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14821 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14822 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14823 (SYMBOL_REF_CONSTANT): New macro.
14824 (get_pool_constant_for_function): Delete.
14825 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14826 rather than SYMBOL_REF_DECL.
14827 (i386_pe_mark_dllimport): Likewise.
14828 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14829 rather than SYMBOL_REF_DECL.
14830 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14831 (machopic_indirect_call_target): Likewise.
14833 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14835 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14837 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14839 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14841 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14843 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14845 2006-01-24 David Daney <ddaney@avtrex.com>
14848 * configure.ac (enable_tls): New enable option.
14849 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14850 * configure: Regenerate.
14851 * doc/install.texi (--enable-tls): Document new option.
14852 (--disable-tls): Ditto.
14854 2006-01-24 Richard Henderson <rth@redehat.com>
14856 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14857 * alias.c (true_dependence): Respect it.
14858 (canon_true_dependence, write_dependence_p): Likewise.
14859 * builtins.c (get_builtin_sync_mem): Set it.
14861 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14863 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14866 2006-01-24 DJ Delorie <dj@redhat.com>
14868 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14869 for storing constants in single-bit bitfields.
14871 2006-01-25 Ben Elliston <bje@au.ibm.com>
14873 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14875 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14878 * tree-ssa-pre.c (phi_translate): Return NULL
14879 for AGGREGATE_TYPE's.
14881 2006-01-24 Zack Weinberg <zackw@panix.com>
14883 * genautomata.c (process_state_for_insn_equiv_partition):
14884 Use xcalloc for insn_arcs_array.
14885 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14886 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14888 2006-01-24 Richard Henderson <rth@redhat.com>
14890 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14891 update all callers.
14893 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14895 PR rtl-optimization/25890
14896 PR rtl-optimization/25905
14897 * combine.c (expand_compound_operation, expand_field_assignment):
14898 Fail if the bitfield's final position is out of bounds.
14900 2006-01-24 Ian Lance Taylor <ian@airs.com>
14902 PR middle-end/25930
14903 * cgraphunit.c (cgraph_output_in_order): Don't clear
14904 cgraph_asm_nodes until after asm strings have been output.
14906 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14908 * fix-header.c (read_scan_file): Add new parameter imultilib when
14909 calling register_include_chains.
14911 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14913 * omp-low.c: Update documentation.
14915 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14916 Daniel Berlin <dberlin@dberlin.org>
14920 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14921 return from the function.
14923 2006-01-22 Zack Weinberg <zackw@panix.com>
14925 * rtl.def (match_code): Add second argument.
14926 * genpreds.c (write_extract_subexp): New function.
14927 (write_match_code): Add path argument. Use write_extract_subexp.
14928 (write_predicate_expr): Pass path to write_match_code.
14929 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14930 not perform a mode test.
14931 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14932 a subexpression does not constrain the top-level code set.
14933 * read-rtl.c (read_rtx_variadic): New function.
14934 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14935 * doc/md.texi: Document new notation.
14936 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14937 (cmpsi_operand): ... here, using new notation.
14939 2006-01-22 Zack Weinberg <zackw@panix.com>
14941 * varray.c: Remove GENERATOR_FILE #ifdefs.
14943 2006-01-22 Zack Weinberg <zackw@panix.com>
14945 * genautomata.c (output_reserved_units_table): Emit nothing if
14946 description->query_units_num is zero. Remove extra blank line.
14947 (output_cpu_unit_reservation_p): Short circuit
14948 if description->query_units_num is zero.
14950 2006-01-22 Zack Weinberg <zackw@panix.com>
14952 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14953 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14954 nor any of the random handful of variables that used to be necessary
14955 when this program was linked with rtlanal.o. Prune set of forward
14956 function declarations.
14957 (struct attr_desc): Remove static_p field.
14958 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14959 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14960 (attr_string): Do not read the character one past the length of
14962 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14963 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14964 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14965 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14966 (make_automaton_attrs): New.
14967 (main): Do not call into genautomata. Call local gen_bypass
14968 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14969 Remove special case for insn_alts.
14970 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14971 varray.h (leftover from previous change). Prune set of forward
14972 function declarations. Remove state_alts fields from all
14973 structures. Remove state_alts_table from struct automaton.
14974 Make everything except main static. Do not maintain num_dfa_decls.
14975 Do not maintain state_alts fields of various structures.
14976 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14977 (add_arc): Remove state_alts argument. All callers updated.
14978 (output_reserved_units_table): Emit #ifdef here...
14979 (output_tables): ...not here. Don't generate state_alts tables.
14980 (expand_automata): Don't generate attributes.
14981 (write_automata): Don't generate state_alts functions.
14982 (main): New function.
14983 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14984 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14985 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14986 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14987 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14988 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14989 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14990 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14992 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14993 * genattrtab.h: Delete file.
14994 * Makefile.in (OBJS-common): Add insn-automata.o.
14995 (insn-automata.o): New rule.
14996 (simple_generated_c): Add insn-automata.c.
14997 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14998 (genprogmd): Add automata.
14999 (build/genattrtab): Needs no extra objects nor libraries.
15000 (build/genautomata): Needs build/vec.o and -lm.
15002 2006-01-22 Zack Weinberg <zackw@panix.com>
15004 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15005 (output_dfa_max_issue_rate, locked_states_num): Delete.
15006 (struct automaton): Add locked_states field.
15007 (output_dead_lock_vect): Save number of locked states in
15008 automaton->locked_states. If it is zero, don't print anything.
15009 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15010 (output_internal_dead_lock_func): Only test the dead_lock_vect
15011 for automata that have locked states.
15012 (output_statistics): Always print the number of locked states for
15013 each automaton. Calculate total number of locked states here.
15014 (write_automata): Don't call output_dfa_max_issue_rate.
15015 * genattrtab.c: Define length_unit_log as a const variable.
15016 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15017 max_insn_queue_index const.
15018 * final.c (length_unit_log): Declare const.
15019 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15021 2006-01-22 Zack Weinberg <zackw@panix.com>
15023 * genautomata.c: Include vec.h, not varray.h.
15024 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15025 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15026 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15027 VEC_* macros operating on appropriately typed vectors, or to
15028 malloced arrays when the size is known in advance. Const-ify
15029 many char* variables and function arguments. No functional changes.
15030 * Makefile.in (build/varray.o): Delete rule.
15031 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15032 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15034 2006-01-22 Zack Weinberg <zackw@panix.com>
15036 * gensupport.c: Define get_insn_name and record_insn_name here.
15037 (read_md_rtx): Call record_insn_name as appropriate.
15038 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15039 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15040 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15042 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15043 (BUILD_VARRAY): Delete.
15044 (genprognormal): Rename genprogmd. Fold in all programs from
15045 genprognoprint; also attrtab.
15046 (build/genattrtab): Just mention genautomata.o and varray.o.
15047 Reorganize a bit, add comments to make the categories clearer.
15049 2006-01-22 Zack Weinberg <zackw@panix.com>
15051 * genconditions.c (condition_table, add_condition): Delete.
15052 (write_conditions): Don't emit n_insn_conditions nor
15053 insn_elision_unavailable. Issue the gcc version #ifdef here,
15054 inside the table, with no #else clause ...
15055 (write_header): ...not here.
15056 (write_writer): New function.
15057 (main): Don't initialize condition_table. Use add_c_test.
15059 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15060 files on the command line.
15061 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15062 Return -1 if there is no entry in the table, don't abort.
15063 (add_c_test, traverse_c_tests): New functions.
15064 * gensupport.h (insn_elision_unavailable, insn_conditions)
15065 (n_insn_conditions): Delete declarations.
15066 (add_c_test, traverse_c_tests): Declare.
15067 * read-rtl.c: Include gensupport.h.
15068 (read_conditions): New function.
15069 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15070 (read_rtx_1): If we get EOF when we were looking for an initial
15071 open paren, return 0. Call read_conditions when appropriate.
15072 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15073 dummy-conditions.o. Eliminate references to insn-conditions.o,
15074 or change them to build/gencondmd.o, as appropriate. Remove
15075 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15076 from $(simple_generated_c). For all files remaining in those
15077 two lists, add insn-conditions.md to the generator command line.
15078 Give insn-constants.h/s-constants their own rules. Add rules
15079 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15080 (build/read-rtl.o): Depend on gensupport.h.
15081 (genprognormal): Include preds.
15082 (genprogearly): Rename genprognoprint; only difference is now that
15083 they don't link with $(BUILD_PRINT).
15084 * dummy-conditions.c: Delete.
15086 2006-01-22 Zack Weinberg <zackw@panix.com>
15088 * genextract.c: Don't include insn-config.h. Do include vec.h.
15089 Declare vectors of int, char, and locstr.
15090 (locstr): New typedef.
15091 (struct extraction): Make all array fields into bare pointers.
15092 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15093 (insn_code_number): Delete.
15094 (accum_extract): New struct.
15095 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15096 (gen_insn): Take insn_code_number as an argument. Use an
15097 accum_extract structure instead of loading data directly into
15098 a struct extraction, and having to know how big it might get.
15099 (walk_rtx): Operate entirely on an accum_extract structure.
15100 (print_path): Avoid unnecessary use of printf.
15101 (print_header): New function, split out of main. Distinguish
15102 more carefully between an unrecognizable insn and an insn that
15103 has the code number of a define_expand.
15104 (main): Pass insn_code_number to gen_insn. Call print_header
15105 only after parsing. Avoid unnecessary use of printf.
15106 * Makefile.in (build/vec.o): New rule.
15107 (build/genextract): Depend on build/vec.o.
15108 (build/genextract.o): Don't depend on insn-config.h.
15110 2006-01-22 Zack Weinberg <zackw@panix.com>
15112 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15113 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15114 practical. Eliminate per-generator-program link rules.
15116 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15118 PR middle-end/24437
15119 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15120 with a call expr to ...
15121 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15123 2006-01-23 Richard Guenther <rguenther@suse.de>
15125 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15126 before make_edge with conditional EDGE_TRUE_VALUE.
15128 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15129 Jan Hubicka <jh@suse.cz>
15130 Richard Guenther <rguenther@suse.de>
15132 PR rtl-optimization/25654
15133 * cfgexpand.c (aggregate_contains_union_type): New function.
15134 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15135 for structure variables that contain a union type.
15137 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15139 * gengtype.c (new_structure): Return the structure.
15140 (create_option): Add an extra "next" argument.
15141 (create_field): New function.
15142 (adjust_field_rtx_def): Use create_option and create_field.
15143 Remove a now-unnecessary call to find_structure.
15144 (adjust_field_tree_def): Likewise.
15145 (note_yacc_type): Remove an unnecessary call to find_structure.
15146 * gengtype.h (new_structure): Return the structure.
15147 (create_option): Add an extra argument.
15148 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15149 (option): Adjust calls to create_option.
15151 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15153 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15155 2006-01-22 Paul Brook <paul@codesourcery.com>
15156 Peter Barada <peter@the-baradas.com>
15158 * config/m68k/m68k.md: Add Coldfire FPU support.
15159 Define FP mode macro and associated attributes.
15160 Use it for float mode patterns.
15161 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15162 (LIBCALL_VALUE): Use m68k_libcall_value.
15163 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15164 (m68k_function_value): Ditto.
15165 (emit_move_sequence): Ditto.
15166 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15167 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15168 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15169 (MULTILIB_EXCEPTIONS): Ditto.
15170 * config/m68k/m68k.opt: Add mcfv4e.
15171 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15172 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15173 (m68k_output_function_prologue): Save ColdFire FPU registers.
15174 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15175 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15176 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15177 ColdFire FPU registers.
15178 (m68k_libcall_value, m68k_function_value): New functions.
15179 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15180 (LIBCALL_VALUE): Use m68k_libcall_value.
15181 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15182 (MASK_COLDFIRE): Add MASK_CFV4E.
15183 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15184 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15185 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15186 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15187 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15188 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15189 * doc/invoke.tex: Document -mcfv4e on m68k.
15191 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15193 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15196 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15199 * c-opts.c (c_common_handle_option): Don't include
15200 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15201 * doc/invoke.texi (C++ Dialect Options): Document that
15202 -Wnon-virtual-dtor is no longer included in -Wall.
15204 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15206 * gcov.c (print_version), gcov-dump.c (print_version),
15207 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15210 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15212 * df-scan.c (problem_SCAN): Added NULL reset function.
15213 (df_scan_reset_blocks): Added code to call reset block function
15214 (df_bb_refs_delete) Fixed comment.
15215 (df_insn_refs_delete): Made tolerant of deleting non existent info
15216 for dataflow problems that need to be reset.
15217 * df-core.c (df_set_blocks): Ditto.
15218 * df.h (struct df_problem): Added reset_fun.
15219 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15220 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15221 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15222 functions to clear out all references to def-use or use-def chains.
15224 2006-01-21 Ben Elliston <bje@au.ibm.com>
15226 * varasm.c (assemble_real): Initialise data array.
15228 2006-01-20 Paul Brook <paul@codesourcery.com>
15230 Merge from csl-arm-branch.
15231 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15232 * config/arm/arm.md (movdi): Force operands[1] to a register
15233 if we have a non-register source.
15234 (*arm_movdi, *movdf_soft_insn): Require that one of the
15235 operands be a register.
15236 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15237 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15239 2006-01-20 DJ Delorie <dj@redhat.com>
15241 * varasm.c (initializer_constant_valid_p): Allow pointers
15242 initialized from integer constants of lesser precision.
15243 (output_constant): Allow non-int-sized pointer modes to be
15244 initialized from integer constants.
15246 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15249 * cppdefault.h (struct default_include): Add multilib flag.
15250 * cppdefault.c (cpp_include_defaults): Set it.
15251 * c.opt (-imultilib): New option.
15252 * c-opts.c (imultilib): New.
15253 (c_common_handle_option): Handle -imultilib.
15254 (c_common_post_options): Likewise.
15255 * c-incpath.c (add_standard_paths, register_include_chains):
15257 * c-incpath.h (register_include_chains): Add extra parameter.
15258 * gcc.c (do_spec_1): Generate -imultilib option.
15259 (The Specs Language): Update %I description.
15260 (process_command): Update copyright notice.
15261 * doc/cppopts.texi (-imultilib): Document.
15262 * doc/invoke.texi (-imultilib): Include in option summary.
15263 (%I): Update specs documentation.
15265 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15267 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15269 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15271 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15274 2006-01-20 Richard Guenther <rguenther@suse.de>
15275 Steven Bosscher <stevenb.gcc@gmail.com>
15277 PR rtl-optimization/24626
15278 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15279 EDGE_TRUE_VALUE if in RTL mode.
15282 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15283 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15285 2006-01-20 Dirk Mueller <dmueller@suse.com>
15288 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15289 instead of a special NOP marker.
15290 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15291 NOP marker handling.
15292 * c-common.h (empty_body_warning): Add forward declaration.
15293 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15294 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15296 2006-01-20 Paul Brook <paul@codesourcery.com>
15298 * Makefile.in (lang_checks): Keep going if mkdir fails.
15300 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15302 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15303 be able to clean out basic block when not necessary.
15304 (df_scan_free): Fixed to properly delete information if df is
15305 unused before calling df_finish.
15306 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15307 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15309 (df_bb_refs_delete): New function.
15310 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15311 * df-core.c (df_set_blocks): Added code to properly clean out
15312 unused blocks if they are not part of the blocks to consider.
15313 Added additional null check.
15314 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15315 be able to clean out basic block when not necessary
15316 * df.h (df_free_bb_function): Ditto.
15317 (df_bb_refs_delete): New function.
15318 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15319 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15320 basic block parameter to be able to clean out basic block when not
15322 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15323 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15324 Fixed to properly delete information if df is unused before
15327 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15329 PR rtl-optimization/25799
15330 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15331 Corrected confluence operator to remove bits from op2 before oring
15332 with op1 rather than removing bits from op1.
15333 (df_ru_transfer_function): Corrected test on wrong bitmap which
15334 caused infinite loop. Both of these problems were introduced in
15335 the dataflow rewrite.
15337 2006-01-19 DJ Delorie <dj@redhat.com>
15339 * reload1.c (find_reload_regs): Note the details of reload
15340 failures in the dump file.
15341 (spill_failure): Likewise.
15343 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15345 * loop-iv.c: Include df.h and hashtab.h.
15346 (enum iv_grd_result): New enum.
15347 (DF_REF_IV, DF_REF_IV_SET): New macros.
15348 (struct biv_entry): New.
15349 (df, bivs): New global variables.
15350 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15351 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15353 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15354 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15355 analyzed_for_bivness_p, record_biv): New functions.
15356 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15357 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15358 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15360 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15362 (iv_number_of_iterations): Use new interface to iv analysis.
15363 * loop-unroll.c: Do not include varray.h.
15364 (analyze_iv_to_split_insn): Use new interface to iv
15366 * loop-unswitch.c (may_unswitch_on): Ditto.
15367 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15369 (df_bb_modify): Realloc tables to the new index.
15370 (df_find_use): New function.
15371 * df.h (df_find_use): Declare.
15372 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15374 * cfgloop.h (struct rtx_iv): Remove analysed field.
15375 (iv_get_reaching_def): Removed.
15376 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15377 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15378 (loop-iv.o): Add df.h and hashtab.h dependency.
15379 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15381 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15384 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15386 (__floatundisf, __floatundidf): Likewise.
15387 * libgcc2.h (IS_IBM_EXTENDED): Define.
15389 2006-01-19 DJ Delorie <dj@redhat.com>
15391 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15393 2006-01-19 Paul Brook <paul@codesourcery.com>
15395 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15396 as nothrow when unwinding tables are disabled.
15398 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15401 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15402 of bit-field" when in system header.
15404 2006-01-19 DJ Delorie <dj@redhat.com>
15406 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15407 the 16 bit shift limit of the m16c.
15409 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15412 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15413 * config/i386/i386.c (output_set_got): Output the label if we have one
15414 for the TARGET_DEEP_BRANCH_PREDICTION case.
15416 2006-01-19 Jan Hubicka <jh@suse.cz>
15417 H.J. Lu <hongjiu.lu@intel.com>
15418 Evandro Menezes <evandro.menezes@amd.com>
15420 * invoke.texi (generic): Document
15422 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15423 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15424 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15425 (x86_use_incdec, x86_pad_returns): New variables
15426 (TARGET_CPU_DEFAULT_generic): New constant
15427 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15428 (enum processor_type): Add generic32 and generic64.
15429 * i386.md (cpu attribute): Add generic32/generic64
15430 (movhi splitter): Behave sanely when both partial_reg_dependency and
15431 partial_reg_stall are set.
15432 (K8 splitters): Enable for generic as well.
15433 * predicates.md (incdec_operand): Use TARGET_INCDEC
15434 (aligned_operand): Avoid memory mismatch stalls.
15435 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15436 * ppro.md: Enable for generic32
15437 * i386.c (generic64_cost, generic32_cost): New.
15438 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15439 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15440 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15441 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15442 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15443 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15444 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15445 x86_accumulate_outgoing_args, x86_prologue_using_move,
15446 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15447 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15448 Enable for generic.
15449 (x86_use_incdec, x86_pad_returns): New.
15450 (override_options): Add generic32 and generic64, translate "generic"
15451 to generic32/generic64 and "i686" to "generic32", refuse
15452 "generic32"/"generic64" as arch target.
15453 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15454 (ix86_reorg): Honor PAD_RETURNS.
15456 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15458 * tree-pretty-print.c (dump_generic_node): Handle
15459 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15460 * cgraph.c (cgraph_expand_queue): Rename from
15461 cgraph_analyze_queue. Update all users.
15462 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15463 cgraph_expand_queue.
15464 (cgraph_expand_all_functions): Likewise.
15465 (cgraph_finalize_pending_functions): Remove. Update callers.
15467 * tree.h (OMP_DIRECTIVE_P): Define.
15468 (OMP_PARALLEL_FN): Define.
15469 (OMP_PARALLEL_DATA_ARG): Define.
15470 (OMP_SECTIONS_SECTIONS): Define.
15471 * tree-pass.h (pass_expand_omp): Declare.
15472 * omp-low.c (struct omp_region): Declare.
15473 (struct omp_context): Remove fields 'parallel_type',
15474 'parallel_start_ix' and 'parallel_start_additional_args'.
15476 (struct omp_for_data): Rename from struct expand_omp_for_data.
15477 (omp_regions): New static variable.
15478 (root_omp_region): New static variable.
15479 (find_omp_clause): Make static.
15480 (is_in_combined_parallel_ctx): Remove.
15481 (is_combined_parallel): New.
15482 (extract_omp_for_data): Move earlier in the file.
15483 (workshare_safe_to_combine_p): New.
15484 (get_ws_args_for): New.
15485 (determine_parallel_type): Move earlier in the file.
15486 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15488 (omp_copy_decl): Likewise.
15489 (create_omp_child_function): Likewise.
15490 (lookup_omp_region): New.
15491 (dump_omp_region): New.
15492 (debug_omp_region): New.
15493 (debug_all_omp_regions): New.
15494 (new_omp_region): New.
15495 (scan_omp_parallel): If parallel_nesting_level > 1, the
15496 directive is nested within another parallel directive.
15497 Set OMP_PARALLEL_FN.
15498 (scan_omp_for): Do not try to handle combined parallel+for
15500 Remove FIXME comment.
15501 (scan_omp_nested): Remove.
15502 (scan_omp_1): Do not call scan_omp_nested when
15503 parallel_nesting_level is > 1.
15504 Do not change the DECL_CONTEXT of local variables found.
15505 (lookup_decl_in_outer_ctx): New.
15506 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15507 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15508 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15509 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15510 If CTX is nested, lookup VAR in the outer context when
15511 building copy assignment.
15512 (lower_send_clauses): Rename from expand_send_clauses.
15513 If CTX is nested, lookup VAR in the outer context when
15514 building copy assignments.
15515 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15516 If CTX is nested, lookup VAR in the outer context when
15517 building copy assignments.
15518 (expand_parallel_call): Rename from build_parallel_call.
15519 Handle combined parallel+workshare cases.
15520 Re-implement to emit code into the CFG.
15522 (expand_omp_parallel): Re-implement to emit code into the CFG.
15523 Call move_sese_region_to_fn to outline the sub-graph
15524 containing the parallel region.
15525 (expand_omp_for_1): Remove.
15526 (expand_omp_for_generic): Re-implement to emit code into the
15528 (expand_omp_for_static_nochunk): Likewise.
15529 (expand_omp_for_static_chunk): Likewise.
15530 (expand_omp_for): Likewise.
15531 (expand_omp_sections): Likewise.
15532 (remove_exit_barriers): New.
15533 (expand_omp_synch): New.
15535 (build_omp_regions_1): New.
15536 (build_omp_regions): New.
15537 (execute_expand_omp): New.
15538 (gate_expand_omp): New.
15539 (pass_expand_omp): Define.
15540 (lower_omp_sections): Rename from expand_omp_sections.
15541 Set OMP_SECTIONS_SECTIONS.
15542 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15543 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15544 (lower_omp_single): Rename from expand_omp_simple.
15545 (lower_omp_master): Rename from expand_omp_master.
15546 (lower_omp_ordered): Rename from expand_omp_ordered.
15547 (lower_omp_critical): Rename from expand_omp_critical.
15548 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15549 (lower_omp_for): Re-implement.
15550 (lower_omp_parallel): Re-implement.
15551 (lower_regimplify): Rename from expand_regimplify.
15552 (lower_omp_1): Rename from expand_omp_1.
15553 If there are syntax errors in the program, replace every
15554 OpenMP directive with NOP.
15555 Call lower_omp_* instead of expand_omp_*.
15556 (lower_omp): Rename from expand_omp.
15558 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15559 * tree-gimple.h (enum omp_parallel_type): Remove.
15560 (gimple_boolify): Declare extern.
15561 (find_omp_clause, determine_parallel_type): Remove.
15563 * gimple-low.c (lower_omp_directive): New.
15564 (lower_stmt): Call it.
15565 (record_vars_into): Move from ...
15566 (record_vars): ... here.
15567 Call record_vars_into with current_function_decl.
15569 * gimplify.c (struct gimplify_ctx): Remove fields
15570 combined_pre_p and combined_ctxp. Update users.
15571 (get_formal_tmp_var): Add documentation.
15572 (gimple_boolify): Make extern.
15573 (gimplify_expr_in_ctx): Remove. Update callers.
15574 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15575 will always be a BIND_EXPR.
15576 (gimplify_expr): Handle OMP_RETURN_EXPR.
15577 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15578 (OMP_PARALLEL): Add 3 operands.
15579 (OMP_SECTIONS): Add 1 operand.
15580 (OMP_RETURN_EXPR): Define.
15582 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15583 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15584 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15585 creating a circular free list.
15586 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15588 * tree-flow.h (move_sese_region_to_fn): Declare.
15589 (record_vars_into): Declare.
15590 * tree-cfg.c (make_omp_sections_edges): New.
15591 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15592 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15593 OMP_SECTIONS and OMP_SECTION.
15594 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15595 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15596 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15597 (gather_blocks_in_sese_region): New.
15598 (struct move_stmt_d): Declare.
15599 (move_stmt_r): New.
15600 (move_block_to_fn): New.
15601 (move_sese_region_to_fn): New.
15603 * passes.c (init_optimization_passes): Schedule
15604 pass_expand_omp after pass_init_datastructures.
15606 * tree-ssa-operands.c (get_expr_operands): Handle
15607 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15608 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15610 2006-01-19 Jeff Law <law@redhat.com>
15612 * tree-vrp.c (extract_range_from_assert): Refine the result range
15613 if the variable referenced by the ASSERT_EXPR has a range and
15614 either the tentative result range or the previous range is a
15617 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15619 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15621 2006-01-19 Jan Hubicka <jh@suse.cz>
15623 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15625 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15627 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15628 (expand_compound_operation, expand_field_assignment): Fail if the
15629 bit lengths of an extract operation are out of range.
15630 (make_extraction): Compute wanted_inner_mode based on the position
15631 and length of the extraction. Make it extraction_mode for non-constant
15632 positions, and do not modify offset in that case. When generating a
15633 new MEM, use a mode that can hold the extraction while keeping correct
15634 alignment. Remove code that supported MEMs wrapped by USEs.
15635 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15637 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15639 * config/s390/s390.md ("Y", "y"): New mode attribute.
15640 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15641 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15642 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15643 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15644 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15645 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15646 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15647 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15648 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15649 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15650 "addsi3", "subsi3"): Insn patterns removed.
15651 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15652 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15653 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15654 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15655 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15656 "*sub<mode>3_cconly2"): New insn patterns.
15657 ("addsi3", "subsi3"): New expanders.
15659 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15661 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15662 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15663 existing STMT_VINFO_VECTYPE if available.
15664 (vect_mark_relevant): Add special handling for stmts that are
15665 marked as STMT_VINFO_IN_PATTERN_P.
15666 (vect_analyze_loop): Call vect_pattern_recog.
15667 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15668 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15670 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15671 (vect_recog_func_ptr): New function-pointer type.
15672 * tree-vect-patterns.c: New file.
15673 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15674 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15675 (vect_pattern_recog_1): New functions.
15676 (vect_pattern_recog_funcs): New array of function pointers.
15678 * tree-vectorizer.h (ternary_op): New enum value.
15679 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15680 declaration. Revised documentation. Removed redundant dump prints.
15681 Removed redundant argument. Added support for reduction patterns.
15682 (vectorizable_reduction): Added support for reduction patterns.
15683 (vect_transform_stmt): Added support for patterns.
15685 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15686 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15687 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15688 (expand_widen_pattern_expr): New function.
15689 (init_optabs): Initialize new optabs udot_prod_optab,
15691 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15692 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15693 (expand_widen_pattern_expr): New function declaration.
15694 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15696 * tree-inline.c (estimate_num_insns_1): Added cases for new
15697 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15698 * tree-pretty-print.c (dump_generic_node): Likewise.
15699 (op_prio): Likewise.
15700 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15701 * tree-ssa-operands.c (get_expr_operands): Added case for
15703 * tree-vect-patterns.c (widened_name_p): New function.
15704 (vect_recog_dot_prod_pattern): Added function implementation.
15705 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15706 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15707 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15708 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15710 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15711 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15712 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15713 (init_optabs): Initialize new optabs widen_ssum_optab,
15715 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15716 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15717 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15718 use instead of type of def.
15719 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15720 function implementation.
15721 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15722 widen_ssumv8hi): New.
15724 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15727 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15730 * c-decl.c (add_flexible_array_elts_to_size): New function.
15731 (finish_decl): Use it.
15733 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15735 * diagnostic.h: Include options.h.
15736 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15737 dependancies for diagnostic.h.
15738 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15740 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15742 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15743 (ssa_ro_call_cache_valid): Ditto.
15744 * tree-ssa-alias.c (sort_tags_by_id): New function.
15745 (init_transitive_clobber_worklist): Ditto.
15746 (add_to_worklist): Ditto.
15747 (mark_aliases_call_clobbered): Ditto.
15748 (compute_tag_properties): Ditto.
15749 (set_initial_properties): Ditto.
15750 (compute_call_clobbered): Ditto.
15751 (compute_may_aliases): Call compute_call_clobbered and grouping.
15752 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15753 (compute_flow_insensitive_aliasing): Grouping now happens in our
15755 (setup_pointers_and_addressables): Remove clobbering related code.
15756 (add_may_alias): Ditto.
15757 (replace_may_alias): Ditto.
15758 (get_nmt_for): Ditto.
15759 (create_global_var):
15760 (is_escape_site): Return an escape_type enumeration.
15761 * tree-flow-inline.h (is_call_clobbered): Global var does not
15762 imply call clobbered.
15763 (mark_call_clobbered): Take a reason for marking this. Remove
15764 marking of globalness, and cache invalidation.
15765 (clear_call_clobbered): Remove cache invalidation code.
15766 * tree-dfa.c (dump_variable): If details is on, dump the reason
15768 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15770 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15771 (struct var_ann_d): Ditto.
15772 (enum escape_type): New.
15773 (mark_call_clobbered): Adjust prototype.
15774 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15775 are never call clobbered.
15776 Record reasons for escaping.
15777 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15778 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15779 (ssa_ro_call_cache_valid): Ditto.
15780 (clobbered_v_may_defs): Ditto.
15781 (clobbered_vuses): Ditto.
15782 (ro_call_vuses): Ditto.
15783 (clobber_stats): New.
15784 (init_ssa_operands): Zero out clobber stats.
15785 (fini_ssa_operands): Print out clobber stats.
15786 (get_call_expr_operands): Pass callee fndecl to
15787 add_call_read_ops).
15788 (add_call_clobber_ops): Remove use of cache.
15789 Add use of PURE_CONST information.
15790 (add_call_read_ops): Remove use of cache.
15791 Add use of static not_read information.
15793 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15795 Introduce TLS descriptors for i386 and x86_64.
15796 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15797 (TARGET_ANY_GNU_TLS): New macro.
15798 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15799 (struct machine_function): Add tls_descriptor_call_expanded_p.
15800 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15801 (ix86_current_function_calls_tls_descriptor): Likewise.
15802 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15803 (override_options): Introduce gnu2 tls dialect.
15804 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15806 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15808 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15809 (ix86_init_machine_status): Initialize new field.
15810 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15811 (ix86_tls_module_base): New.
15812 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15813 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15814 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15815 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15816 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15817 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15818 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15819 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15820 * config/i386/predicates.md (tls_modbase_operand): New.
15821 (tp_or_register_operand): New.
15823 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15825 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15826 (look_for_address_of): Ditto.
15827 (ipa_init): Walk the function decls.
15828 (static_execute): Don't set readonly on FUNCTION_DECL's.
15830 2006-01-18 Roger Sayle <roger@eyesopen.com>
15832 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15833 for shifts where the source and destination registers are different.
15835 2006-01-18 Paul Brook <paul@codesourcery.com>
15837 Merge from csl-arm-branch.
15838 2005-03-14 Julian Brown <julian@codesourcery.com>
15839 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15840 (aeabi_llsl): Likewise.
15841 (ashrdi3): Likewise.
15842 (aeabi_lasr): Likewise.
15843 (lshrdi3): Likewise.
15844 (aeabi_llsr): Likewise.
15845 2005-03-10 Julian Brown <julian@codesourcery.com>
15846 * config.gcc: Disable shared libgcc for SymbianOS.
15847 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15849 2006-01-18 DJ Delorie <dj@redhat.com>
15851 * c-pragma.c (handle_pragma_diagnostic): New.
15852 (init_pragma): Register it.
15853 * doc/extend.texi: Document it.
15855 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15856 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15857 (diagnostic_context): Add classify_diagnostic[].
15858 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15859 as errors if they're overridden to DK_WARNING.
15860 (diagnostic_initialize): Initialize classify_diagnostic[].
15861 (diagnostic_set_kind_override): New.
15862 (diagnostic_report_diagnostic): Check for kind changes.
15863 * opts.c (common_handle_option): Take lang_mask. Update callers.
15864 Handle OPT_Werror_.
15865 * common.opt (Werror=): New.
15866 * doc/invoke.texi: Document -Werror=*
15868 2006-01-18 Jeff Law <law@redhat.com>
15870 * tree-vrp.c (test_for_singularity): Correct test for new
15871 min limit. Use operand_equal_p rather than pointer equality
15872 for testing if new min/max values are equal.
15874 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15875 using range information until after propagation and folding.
15877 2006-01-18 Richard Henderson <rth@redhat.com>
15878 Aldy Hernandez <aldyh@redhat.com>
15879 Jakub Jelinek <jakub@redhat.com>
15880 Diego Novillo <dnovillo@redhat.com>
15882 * omp-low.c: New file.
15883 * c-omp.c: New file.
15885 2006-01-18 Richard Henderson <rth@redhat.com>
15886 Jakub Jelinek <jakub@redhat.com>
15887 Diego Novillo <dnovillo@redhat.com>
15889 * doc/invoke.texi: Document -fopenmp.
15890 * tree-dump.h (debug_function): Declare.
15891 * hooks.c (hook_bool_tree_bool_false): New function.
15892 (hook_tree_tree_null): Remove.
15893 (hook_tree_tree_tree_null): New.
15894 * hooks.h: Update to match.
15895 * tree-pretty-print.c (debug_tree_chain): New.
15896 (print_generic_expr): Handle TDF_CHAIN.
15897 (dump_generic_node): Handle BLOCK.
15898 Do not abort with incomplete SWITCH_EXPRs.
15899 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15900 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15901 print space after directive name.
15902 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15903 Handle OMP_MASTER and OMP_ORDERED.
15904 Handle printing of OMP_BODY just in one place, goto
15905 dump_omp_body in the rest of OMP_* nodes that have
15907 Don't handle clause nodes here. Update omp statements to
15908 use dump_omp_clauses.
15909 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15910 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15911 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15912 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15913 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15914 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15915 Adjust output for GOMP_PARALLEL.
15916 (dump_omp_clauses): New.
15917 (print_declaration): Dump DECL_VALUE_EXPR.
15918 (op_symbol_1): Split out of op_symbol.
15919 (dumping_stmts): Remove. Update all users.
15920 * cgraph.c (cgraph_analyze_queue): New.
15921 (cgraph_add_new_function): New.
15922 * cgraph.h (cgraph_analyze_queue): Declare.
15923 (cgraph_add_new_function): Declare.
15924 (cgraph_lower_function): Remove.
15925 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15926 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15927 and TYPE_P nodes in its default clause.
15928 (empty_body_p): New.
15929 (tree_range_check_failed): New.
15930 (build5_stat): New.
15931 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15932 OMP_CLAUSE_REDUCTION_MERGE,
15933 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15934 OMP_CLAUSE_PRIVATE_DEBUG,
15935 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15936 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15937 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15938 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15939 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15940 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15941 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15942 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15943 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15944 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15945 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15946 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15947 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15948 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15949 (TREE_RANGE_CHECK): New.
15950 (empty_body_p): Declare.
15951 (enum omp_clause_default_kind): New.
15952 (build_string_literal): Declare.
15953 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15954 (build5_stat, build5): Declare.
15955 * tree-pass.h (TDF_CHAIN): Define.
15956 * tree-pass.h (PROP_gimple_lomp): Define.
15957 (pass_lower_omp): Declare.
15958 * diagnostic.h (debug_tree_chain): Declare.
15959 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15961 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15962 * builtins.c (build_string_literal): Make extern.
15963 * gcc.c (include_spec_function): New.
15964 (static_spec_functions): Add it.
15965 (main): Move load of libgomp.spec ...
15966 (LINK_COMMAND_SPEC): ... here.
15967 (link_gomp_spec): New.
15968 (static_specs): Include it.
15969 (LINK_COMMAND_SPEC): Add link_gomp.
15970 (GOMP_SELF_SPECS): New.
15971 (driver_self_specs): Include it.
15972 (switch_matches): Don't mark inline.
15973 (main): Load libgomp.spec.
15974 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15975 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15976 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15977 * tree-gimple.h (enum omp_parallel): Declare.
15978 (determine_parallel_type): Declare.
15979 (omp_firstprivatize_variable): Declare.
15980 (omp_reduction_init): Declare.
15981 (diagnose_omp_structured_block_errors): Declare.
15982 (struct walk_stmt_info): Add want_return_expr.
15983 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15984 (find_omp_clause): Declare.
15985 (insert_field_into_struct): Declare.
15986 (struct walk_stmt_info): Move from tree-nested.c
15987 (walk_stmts): Declare.
15988 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15990 * cgraphunit.c (cgraph_lower_function): Make static.
15991 (cgraph_finalize_pending_functions): New.
15992 (cgraph_finalize_function): Call it.
15993 (cgraph_finalize_compilation_unit): Likewise.
15994 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15995 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15996 (BT_FN_UINT_UINT): New.
15997 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15998 DEF_FUNCTION_TYPE_VAR_4): Document.
15999 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16000 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16001 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16002 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16003 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16004 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16005 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16006 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16007 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16008 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16009 into separate files.
16010 (DEF_GOMP_BUILTIN): New.
16011 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16012 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16013 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16014 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16015 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16016 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16017 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16018 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16019 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16020 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16021 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16022 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16023 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16024 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16025 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16026 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16027 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16028 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16029 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16030 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16031 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16032 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16033 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16034 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16035 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16036 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16037 * sync-builtins.def: New file, moved from builtins.def.
16038 * omp-builtins.def: New file, moved from builtins.def.
16039 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16040 * gimple-low.c (lower_function_body): Clear data.
16041 (lower_stmt): Do not handle COMPOUND_EXPR.
16042 Remove call to print_node_brief.
16043 * c-tree.h (c_finish_omp_clauses): New prototype.
16044 (C_DECL_THREADPRIVATE_P): Define.
16045 (lookup_name_no_remap, c_omp_remap_private): Remove
16046 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16047 (check_for_loop_decls): Update decl.
16048 (lookup_name_no_remap, c_omp_remap_private): Declare.
16049 (build_indirect_ref, build_modify_expr, pushdecl,
16050 pushdecl_top_level): Move to c-common.h.
16051 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16052 before the switch, but just in the 2 places that need it.
16053 * c-decl.c (diagnose_mismatched_decls): Do not check for
16054 mismatched thread-local attributes when OLDDECL is marked
16055 threadprivate and NEWDECL has no thread-local attributes.
16056 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16057 (c_gimple_diagnostics_recursively): Rename from
16058 c_warn_unused_result_recursively. Invoke
16059 diagnose_omp_structured_block_errors.
16060 (check_for_loop_decls): Return a singular decl found.
16061 * langhooks.c (lhd_omp_predetermined_sharing): Return
16062 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16063 (lhd_omp_firstprivatize_type_sizes): New.
16064 (lhd_omp_assignment): New.
16065 (lhd_omp_predetermined_sharing): New.
16066 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16067 (struct lang_hooks_for_types): Add
16068 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16069 omp_predetermined_sharing, omp_disregard_value_expr,
16070 omp_private_debug_clause, omp_clause_default_ctor,
16071 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16072 (c_finish_omp_clauses): New.
16073 (c_finish_bc_stmt): Diagnose break within omp for.
16074 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16075 (build_unary_op): Return error_mark after reporting
16077 (build_modify_expr): Likewise.
16078 * gimplify.c: Include optabs.h and pointer-set.h.
16079 (enum gimplify_omp_var_data): Declare.
16080 (struct gimplify_omp_ctx): Declare.
16081 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16083 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16084 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16085 (splay_tree_compare_decl_uid): New.
16086 (new_omp_context): New.
16087 (delete_omp_context): New.
16088 (gimple_add_tmp_var): Call omp_add_variable.
16089 (gimplify_bind_expr): Likewise.
16090 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16091 true, disregard DECL_VALUE_EXPR on the decl if any.
16092 (gimplify_expr_in_ctx): New.
16093 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16094 omp_add_variable, omp_notice_variable, omp_is_private
16095 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16096 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16097 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16098 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16099 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16100 gimplify_omp_atomic): New.
16101 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16102 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16103 OMP_CRITICAL and OMP_ATOMIC.
16104 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16105 * c-pragma.h (enum pragma_kind): Add
16106 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16107 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16108 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16109 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16110 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16111 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16112 PRAGMA_OMP_THREADPRIVATE.
16113 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16114 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16115 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16116 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16117 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16118 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16119 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16120 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16121 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16122 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16123 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16124 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16125 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16127 (struct nesting_info): Add field_map,
16128 suppress_expansion, debug_var_chain.
16129 (create_nesting_tree): Initialize them.
16130 (lookup_field_for_decl): Use field_map.
16131 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16132 (convert_local_omp_clauses): New.
16133 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16134 (walk_body): Split out of walk_function.
16135 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16136 (convert_nonlocal_reference): Handle omp statements.
16137 (convert_local_reference): Likewise.
16138 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16139 (unnest_nesting_tree): New.
16140 (lower_nested_functions): Call it.
16141 (insert_field_into_struct): Make extern.
16142 (struct walk_stmt_info): Move to tree-gimple.h.
16143 (walk_stmts): Make extern.
16144 * omp-builtins.def: New file.
16145 * tree-iterator.c (expr_only): Clarify comment.
16146 * c-common.h (pushdecl_top_level, pushdecl,
16147 build_modify_expr, build_indirect_ref,
16148 c_finish_omp_master, c_finish_omp_critical,
16149 c_finish_omp_ordered, c_finish_omp_barrier,
16150 c_finish_omp_atomic, c_finish_omp_flush,
16151 c_finish_omp_for, c_split_parallel_clauses,
16152 omp_clause_default_kind, c_omp_sharing_predetermined,
16153 c_omp_remap_decl): Declare.
16154 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16155 (OBJS-common): Add omp-low.o.
16156 (c-omp.o, omp-low.o): Add.
16157 (gimplify.o): Add dependency on $(OPTABS_H).
16158 (GTFILES): Add omp-low.c.
16159 (gt-stringpool.h): Add.
16160 * tree-cfg.c (set_bb_for_stmt): Do not update the
16161 block-to-labels map if we are currently expanding to RTL.
16162 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16164 Handle IDENTIFIER_NODE.
16165 (tree_verify_flow_info): Do not ICE when emitting error
16166 messages about invalid labels.
16167 (dump_function_to_file): Reset CFUN before emitting the body
16169 (debug_function): New.
16170 * passes.c (init_optimization_passes): Schedule
16172 * langhooks-def.h (lhd_omp_predetermined_sharing,
16173 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16175 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16176 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16177 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16178 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16179 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16180 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16181 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16182 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16183 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16184 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16185 (LANG_HOOK_DECLS): Use them.
16187 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16188 Richard Henderson <rth@redhat.com>
16189 Jakub Jelinek <jakub@redhat.com>
16190 Diego Novillo <dnovillo@redhat.com>
16192 * c-parser.c (pragma_omp_clause): Define.
16193 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16194 (c_parser_compound_statement): Likewise.
16195 (c_parser_statement): Likewise.
16196 (c_parser_pragma): Handle omp pragmas.
16197 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16198 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16199 (c_parser_omp_clause_name, check_no_duplicate_clause,
16200 c_parser_omp_variable_list,
16201 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16202 c_parser_omp_clause_copyprivate,
16203 c_parser_omp_clause_default,
16204 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16205 c_parser_omp_clause_lastprivate,
16206 c_parser_omp_clause_nowait,
16207 c_parser_omp_clause_num_threads,
16208 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16209 c_parser_omp_clause_reduction,
16210 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16211 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16212 c_parser_omp_atomic, c_parser_omp_barrier,
16213 c_parser_omp_critical, c_parser_omp_flush,
16214 c_parser_omp_for_loop, c_parser_omp_for,
16215 c_parser_omp_master, c_parser_omp_ordered,
16216 c_parser_omp_sections_scope, c_parser_omp_sections,
16217 c_parser_omp_parallel, c_parser_omp_single,
16218 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16219 * c-pragma.c (init_pragma): Do omp pragma registration here.
16220 * c.opt (fopenmp): New flag.
16222 2006-01-18 Eric Christopher <echristo@apple.com>
16224 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16225 * config/darwin.h (GOMP_SELF_SPECS): Define.
16227 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16229 * rtl.h: Remove the prototype for reg_alloc.
16231 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16234 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16235 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16236 sjlj and dwarf2 exception handling.
16237 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16238 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16239 * pa/pa.c (function_value): Treat complex and vector types as
16241 (function_arg): Likewise. Only pass scalar floats in the floating
16242 point argument registers.
16243 * pa/t-slibgcc-dwarf-ver: New file.
16244 * pa/t-slibgcc-sjlj-ver: New file.
16245 * pa/t-slibgcc-elf-ver: Delete file.
16247 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16249 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16250 unlikely_test_section_p test.
16252 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16254 * mode-switching.c (optimize_mode_switching): Make it static.
16255 * basic-block.h: Remove the prototype for
16256 optimize_mode_switching.
16258 * modulo-sched.c (sms_schedule): Make it static.
16259 * rtl.h: Remove the prototype for sms_schedule.
16261 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16262 * rtl.h: Remove the prototype for gcse_after_reload_main.
16264 * reg-stack.c (reg_to_stack): Make it static.
16265 * rtl.h: Remove the prototype for reg_to_stack.
16267 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16269 * rtl.h: Remove the prototypes for regrename_optimize and
16270 copyprop_hardreg_forward.
16272 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16274 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16275 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16276 Test against the appropriate null constant for the mode.
16277 If 'fixup_overlap' is true, swap the operands if they overlap.
16278 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16279 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16280 alpha_split_tmode_pair and adjust for above change.
16281 * config/alpha/alpha.md (movtf_internal): Adjust call to
16282 alpha_split_tfmode_pair and rely on it to swap the operands.
16283 (movti_internal): New insn and post-reload splitter.
16284 (movti): New expander.
16286 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16288 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16291 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16293 * rtlanal.c (global_reg_mentioned_p_1,
16294 global_reg_mentioned_p): Remove.
16295 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16297 * flow.c (initialize_uninitialized_subregs): Make it static.
16298 * rtl.h: Remove the prototype for
16299 initialize_uninitialized_subregs.
16301 * function.c (instantiate_virtual_regs): Make it static.
16302 * function.h: Remove the prototype for
16303 instantiate_virtual_regs.
16305 * regmove.c (regmove_optimize, combine_stack_adjustments):
16307 * rtl.h: Remove the prototypes for regmove_optimize and
16308 combine_stack_adjustments.
16310 2006-01-17 Roger Sayle <roger@eyesopen.com>
16312 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16313 (size_cost): Encode costs in bytes so that a reg-reg addition is
16314 equivalent to COSTS_N_INSNS(1).
16315 (override_options): Use the size_cost.branch_cost as the default
16316 ix86_branch_cost when optimizing for size.
16318 2006-01-18 Ben Elliston <bje@au.ibm.com>
16320 * Makefile.in (D32PBIT_FUNCS): New.
16321 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16322 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16323 D64PBIT_FUNCS and D128PBIT_FUNCS.
16324 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16325 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16327 (decnumber_dep): Define.
16328 * doc/libgcc.texi (Decimal float library routines): New node.
16329 * config/dfp-bit.h, config/dfp-bit.c: New files.
16331 2006-01-18 Ben Elliston <bje@au.ibm.com>
16333 * expr.c (emit_move_change_mode): Always adjust addresses, not
16334 just during reload. Copy replacements only during reload.
16335 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16336 emit_move_via_integer.
16338 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16340 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16341 instead of $(srcdir) and ${srcdir}.
16343 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16346 PR middle-end/11135
16347 * arm.h (struct machine_function): Add pic_reg.
16348 * arm.c (arm_pic_register): Make unsigned.
16349 (arm_override_options): Only set arm_pic_register if
16350 TARGET_SINGLE_PIC_BASE.
16351 (use_return_insn): Only test for a pic register if it is fixed.
16352 (arm_compute_save_reg0_reg12_mask): Likewise.
16353 (thumb_compute_save_reg_mask): Likewise.
16354 (legitimate_pic_operand): Factor out some known invariants.
16355 (legitimize_pic_address): If we don't have a fixed pic register,
16356 then set up a pseudo in the function entry sequence. Handle the
16357 pic base being in a pseudo.
16358 (arm_load_pic_register): Handle the pic register being in a pseudo.
16359 (arm_expand_prologue): Only set up the pic register if it is fixed.
16360 (thumb_expand_prologue): Likewise.
16361 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16362 (pic_load_addr_based_insn): Likewise.
16363 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16366 2006-01-18 Ben Elliston <bje@au.ibm.com>
16368 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16369 decimal float modes for all floating point registers.
16371 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16372 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16374 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16377 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16378 even when the pointer is not NULL.
16380 2006-01-16 Ian Lance Taylor <ian@airs.com>
16382 * common.opt (ftoplevel-reorder): New option.
16383 * cgraph.c (cgraph_asm_nodes): New global variable.
16384 (cgraph_asm_last_node): New static variable.
16385 (cgraph_order): New global variable.
16386 (cgraph_create_node): Set new order field.
16387 (cgraph_varpool_node): Likewise.
16388 (decide_is_variable_needed): Return true if not
16389 flag_toplevel_reorder.
16390 (cgraph_add_asm_node): New function.
16391 * cgraph.h (struct cgraph_node): Add order field.
16392 (struct cgraph_varpool_node): Add order field.
16393 (struct cgraph_asm_node): Define.
16394 (cgraph_asm_nodes, cgraph_order): Declare.
16395 (cgraph_add_asm_node): Declare.
16396 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16398 (cgraph_varpool_assemble_pending_decls): Call it.
16399 (cgraph_output_pending_asms): New static function.
16400 (cgraph_finalize_compilation_unit): Call it.
16401 (struct cgraph_order_sort): Define.
16402 (cgraph_output_in_order): New static function.
16403 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16404 !flag_toplevel_reorder case.
16405 * c-parser.c: Include "cgraph.h".
16406 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16408 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16409 than -fno-unit-at-a-time.
16410 * doc/invoke.texi (Option Summary): Mention
16411 -fno-toplevel-reorder.
16412 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16413 -funit-at-a-time documentation.
16415 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16416 Kazu Hirata <kazu@codesourcery.com>
16418 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16420 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16422 * Makefile.in (FUNCTION_H): New. Use it instead of
16423 function.h throughout the file.
16424 * function.h: Include tree.h.
16426 2006-01-17 Ben Elliston <bje@au.ibm.com>
16428 * recog.c: Separate some functions with whitespace.
16430 2006-01-16 Richard Henderson <rth@redhat.com>
16432 Merge from gomp branch:
16433 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16434 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16435 and rename from struct inline_data. Rename callee* to dst*;
16436 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16437 transform_new_cfg, transform_return_to_modify, and
16438 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16440 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16441 (copy_decl_for_dup): Remove.
16442 * tree-inline.c (struct inline_data): Move to header.
16443 (insert_decl_map): Export.
16444 (remap_decl): Update for member name changes. Use copy_decl hook.
16445 Allow for replacement to be a non-decl. Remove dead code.
16446 (remap_type_1): Check for existing mapping.
16447 (remap_type): Export.
16448 (remap_decls): Update for member name changes.
16449 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16450 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16451 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16452 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16453 (tree_function_versioning, build_duplicate_type): Likewise.
16454 (copy_body_r): Likewise. Export.
16455 (copy_decl_for_dup): Split into ...
16456 (copy_decl_for_dup_finish, copy_decl_to_var,
16457 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16458 (replace_ref_tree, inlining_p): Remove.
16460 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16462 * ifcvt.c (if_convert): Make it static.
16463 * rtl.h: Remove the prototype for if_convert.
16465 * local-alloc.c (local_alloc): Make it static.
16466 * rtl.h: Remove the prototype for local_alloc.
16468 * loop.c (loop_optimize): Make it static.
16469 * cfgloop.h: Remove the prototype for loop_optimize.
16472 2006-01-16 DJ Delorie <dj@redhat.com>
16474 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16477 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16479 * pa.md: Disparage copies between general and floating-point registers
16480 in 32-bit move patterns.
16482 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16485 * Makefile.in (check-%): Depend on site.exp instead of
16486 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16489 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16491 * global.c (global_alloc): Make it static.
16492 * rtl.h: Remove the prototype for global_alloc.
16494 2006-01-16 Richard Guenther <rguenther@suse.de>
16496 * tree-ssa-alias.c (struct used_part): Add write_only field.
16497 (get_or_create_used_part_for): Initialize it to true.
16498 (create_overlap_variables_for): Don't create structure variables
16499 for structures that only are written to.
16500 (find_used_portions): Handle MODIFY_EXPR to track whether a
16501 structure is only written to.
16503 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16505 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16507 * basic-block.h: Remove the prototype for
16508 partition_hot_cold_basic_blocks.
16510 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16512 * cppspec.c (lang_specific_spec_functions): Remove.
16513 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16514 * gcc.h (lang_specific_spec_functions): Remove.
16515 * gccspec.c (lang_specific_spec_functions): Remove.
16517 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16519 * combine.c (record_value_for_reg): Invalidate registers
16521 (record_dead_and_set_regs_1): Likewise, by passing them to
16522 record_value_for_reg.
16523 (record_dead_and_set_regs): Invalidate stores made by a
16524 call. We do not combine across a call, but we still
16525 relied on equivalences.
16527 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16529 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16530 vrp_int_const_binop returning non-constant nodes.
16532 2006-01-16 Paul Brook <paul@codesourcery.com>
16534 * config/m68k/m68k.c (output_move_const_into_data_reg):
16535 Output correct mnemonic for mvz and mvs.
16537 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16539 * rtl-factoring.c: Add sequence abstraction algorithm.
16540 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16541 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16543 (block_has_preserve_label): New function.
16544 * common.opt: Register new pass.
16545 * Makefile.in: Ditto.
16547 * timevar.def: Ditto.
16548 * tree-pass.h: Ditto.
16549 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16550 * rtl.h (make_jump_insn_raw): Add forward decl.
16551 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16553 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16554 Roger Sayle <roger@eyesopen.com>
16556 * fold-const.c (fold_minmax): New static function.
16557 (fold_binary) <MIN_EXPR>: Call it.
16558 <MAX_EXPR>: Likewise.
16559 * stor-layout.c (place_field): Use DECL_SIZE consistently
16560 in the computation of the new record size.
16562 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16564 * cse.c (cse_condition_code_reg): Make it static.
16565 * rtl.h: Remove the prototype for cse_condition_code_reg.
16567 * combine.c (combine_instructions): Make it static.
16568 * rtl.h: Remove the prototype for combine_instructions.
16570 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16573 * tree.c (get_file_function_name_long): Concatenate the first global
16574 object name with a string derived from the input filename of the object
16577 2006-01-16 Ben Elliston <bje@au.ibm.com>
16579 * config/i386/winnt-stubs.c: Update FSF address.
16580 * config/xtensa/ieee754-df.S: Ditto.
16581 * config/xtensa/ieee754-sf.S: Ditto.
16583 2006-01-14 Ian Lance Taylor <ian@airs.com>
16585 * ifcvt.c (noce_init_if_info): New static function, broken out of
16586 noce_process_if_block.
16587 (noce_process_if_block): Call noce_init_if_info.
16588 (check_cond_move_block): New static function.
16589 (cond_move_process_if_block): New static function.
16590 (process_if_block): Call cond_move_process_if_block.
16592 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16594 * cselib.c (hash_table): Rename to cselib_hash_table.
16595 (cselib_clear_table, discard_useless_values,
16596 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16597 cselib_init, cselib_finish): Adjust uses of hash_table.
16599 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16601 PR tree-optimization/25485
16602 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16603 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16604 is known to be false and true, respectively.
16606 2006-01-14 Richard Guenther <rguenther@suse.de>
16608 PR tree-optimization/22548
16609 PR tree-optimization/22555
16610 PR tree-optimization/22501
16611 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16612 * params.def (salias-max-array-elements): New parameter.
16613 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16614 * doc/invoke.texi (salias-max-array-elements): Document.
16615 * tree-flow-inline.h (var_can_have_subvars): We also handle
16617 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16619 * tree-ssa-structalias.c (params.h): Include.
16620 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16621 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16622 (get_constraint_for): For ADDR_EXPR operating on something
16623 containing an ARRAY_REF, add all subvars to the solution.
16624 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16625 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16626 for creating MUST_DEFs.
16627 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16629 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16631 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16633 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16634 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16635 number_of_iterations_le): New functions.
16636 (number_of_iterations_special): Removed.
16637 (number_of_iterations_exit): Do not use number_of_iterations_special.
16638 * tree.c (unsigned_type_for): Always return integer type.
16640 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16641 Richard Guenther <rguenther@suse.de>
16643 PR rtl-optimization/24257
16644 * gcse.c (find_moveable_store): Only consider a store movable
16645 when the SET_SRC of the insn can be assigned to a register.
16647 2006-01-14 Ian Lance Taylor <ian@airs.com>
16649 * tree.c (tree_not_class_check_failed): New function.
16650 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16651 (tree_not_class_check_failed): Declare.
16653 2006-01-13 Ian Lance Taylor <ian@airs.com>
16655 * reload1.c (do_output_reload): Add assertion rejecting a
16658 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16660 * combine.c (struct reg_stat): Add new fields truncation_label and
16662 (record_value_for_reg): Reset truncated_to_mode.
16663 (record_truncated_value): New function.
16664 (check_promoted_subreg): Call it. Rename to check_conversions.
16665 (combine_instructions): Rename check_promoted_subreg to
16667 (reg_truncated_to_mode): New function.
16668 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16669 (gen_lowpart_or_truncate): New function.
16670 (force_to_mode): Use it instead of gen_lowpart.
16672 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16674 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16675 VAR is a tag, not its type tag.
16677 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16679 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16680 alternatives to match style of other entries.
16681 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16683 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16685 PR tree-optimization/25771
16686 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16689 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16692 * tree-inline.c (declare_return_variable): If the return variable
16693 was marked as a non gimple complex, set the return slot variable
16694 to be a non gimple comple variable.
16696 2006-01-13 Richard Guenther <rguenther@suse.de>
16698 * builtins.c (expand_builtin_sincos): New function.
16699 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16701 (expand_builtin): Expand sincos using expand_builtin_sincos.
16703 2006-01-12 DJ Delorie <dj@redhat.com>
16705 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16706 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16707 so that constant shifts can be split.
16708 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16709 (m32c_valid_pointer_mode): Make static.
16710 (shift_gen_func_for): New.
16711 (m32c_prepare_shift): Use it. Split large const shifts into
16713 * config/m32c/predicates.md (shiftcount_operand): Allow more
16715 (longshiftcount_operand): New.
16716 * doc/md.texi (Machine Constraints): Document In6.
16718 2006-01-13 Ben Elliston <bje@au.ibm.com>
16720 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16721 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16724 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16726 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16727 to try to avoid clobbering pieces of structures when we know
16728 something about the whole structure.
16729 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16731 2006-01-13 Ben Elliston <bje@au.ibm.com>
16733 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16734 return in memory, as this is no limitation is no longer present.
16736 2006-01-12 DJ Delorie <dj@redhat.com>
16738 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16739 mova with fb, and for fb+0 -> An.
16741 * config/m32c/mov.md (peephole2): Fix enabling logic.
16743 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16744 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16745 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16746 FINI_ARRAY_SECTION_ASM_OP): Define.
16748 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16750 (m32c_legitimize_reload_address): New logic to reload FB to An.
16751 (m32c_output_reg_push): Add newline.
16752 (m32c_output_reg_pop): Likewise.
16754 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16756 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16758 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16760 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16762 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16764 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16767 2006-01-11 Ben Elliston <bje@au.ibm.com>
16769 * rtlanal.c (find_reg_note): Assert insn is not null.
16771 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16773 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16776 2006-01-11 Jeff Law <law@redhat.com>
16778 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16780 (mark_threaded_blocks, register_jump_thread): New functions.
16781 (thread_through_all_blocks): Remove unwanted argument. No
16782 longer rely on e->aux to communicate thread target info.
16783 Call mark_threaded_blocks. Release the threaded_blocks
16784 bitmap and threaded_edges vector when complete.
16785 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16786 (threaded_blocks): Remove.
16787 (tree_ssa_dominator_optimize): Remove initialization and
16788 finalization of threaded_blocks. Simplify call to
16789 thread_through_all_blocks.
16790 (thread_across_edge): Call register_jump_thread rather than
16791 storing thread information into e->aux.
16792 (free_all_edge_infos): Simplify now that e->aux is no longer
16793 used to communicate with thread_through_all_blocks.
16794 * tree-flow.h (thread_through_all_blocks): Update prototype.
16795 (register_jump_thread): Prototype.
16797 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16799 * df-core.c (df_compact_blocks, df_bb_replace): Use
16800 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16802 2006-01-11 Richard Guenther <rguenther@suse.de>
16804 PR tree-optimization/25734
16805 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16806 stop propagation after successful propagation to the LHS.
16808 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16810 * basic-block.h (control_flow_graph): Change the type of
16811 x_basic_block_info to VEC(basic_block,gc) *.
16812 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16814 (SET_BASIC_BLOCK): New.
16815 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16816 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16817 * cfgbuild.c (find_basic_blocks): Likewise.
16818 * cfglayout.c (fixup_reorder_chain): Likewise.
16819 * cfgrtl.c (create_basic_block_structure,
16820 rtl_create_basic_block): Likewise.
16821 * ifcvt.c (find_if_case_1): Likewise.
16822 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16825 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16827 * Makefile.in: Removed rotted odf.c entry.
16829 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16832 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16833 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16834 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16835 output pattern modifier, not %e.
16836 * config/cris/cris.c (cris_op_str): Update comment about pattern
16838 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16839 before falling through into...
16840 <case 'E'>: Redefined from old 'e' case.
16842 2006-01-11 Jan Hubicka <jh@suse.cz>
16845 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16847 2006-01-11 Jan Hubicka <jh@suse.cz>
16849 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16850 * i386.c (x86_decompose_lea): Kill.
16851 (ix86_rtx_costs): Kill.
16853 2006-01-11 Jan Hubicka <jh@suse.cz>
16855 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16856 * cgraph.h (cgraph_node): Add inline_decl.
16857 (cgraph_insert_node_to_hashtable): Declare.
16858 (save_inline_function_body): Declare.
16859 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16861 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16862 (cgraph_function_versioning): Update call of tree_function_versioning.
16863 (save_inline_function_body): New function.
16864 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16865 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16866 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16867 (cgraph_default_inline_p): Likewise.
16868 (cgraph_decide_inlining_incrementally): Likewise.
16869 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16870 (copy_bb): Kill saving; do updating of clones.
16871 (copy_cfg_body): Kill saving.
16872 (initialize_inlined-parameters): Likewise.
16873 (expand_call_inline): Likewise.
16875 (tree_function_versioning): New parameter "update_clones".
16876 (inlining_p): Kill saving.
16877 * tree-inline.h (tree_function_versioning): Update prototype.
16878 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16881 2006-01-11 Ian Lance Taylor <ian@airs.com>
16883 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16884 Allow undoing set of machine mode.
16885 (do_SUBST): Use enums instead of is_int.
16886 (do_SUBST_MODE): New function.
16887 (SUBST_MODE): New macro.
16888 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16889 reg and trying to replace reg_regno_rtx with a new register.
16890 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16891 (simplify_set): Use SUBST_MODE.
16892 (distribute_notes): Remove code that tried to update reg notes
16893 for regno_reg_rtx changes.
16895 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16897 PR tree-optimization/23109
16898 PR tree-optimization/23948
16899 PR tree-optimization/24123
16901 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16902 * tree-cfg.c (single_noncomplex_succ): New.
16903 * tree-flow.h (single_noncomplex_succ): Declare it.
16904 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16905 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16906 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16907 insert_bb, register_division_in, insert_reciprocals,
16908 replace_reciprocal, free_bb): New.
16909 (execute_cse_reciprocals_1): Rewritten.
16910 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16911 Do not commit any edge insertion. Always compute dominators and
16912 create the allocation pool.
16913 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16914 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16915 * targhooks.c (default_min_divistions_for_recip_mul): New.
16916 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16917 * passes.c (init_optimization_passes): Run recip after tree loop
16919 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16921 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16922 Kenneth Zadeck <zadeck@naturalbridge.com>
16924 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16925 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16926 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16927 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16928 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16929 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16930 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16931 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16932 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16933 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16934 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16935 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16936 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16937 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16938 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16939 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16940 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16941 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16942 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16943 DF_SCAN_POST_ALLOC): New macros.
16944 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16945 df_free_bb_function, df_local_compute_function, df_init_function,
16946 df_dataflow_function, df_confluence_function_0,
16947 df_confluence_function_n, df_transfer_function,
16948 df_finalizer_function, df_free_function, df_dump_problem_function,
16949 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16950 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16951 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16952 df_urec_bb_info, ) New types.
16953 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16955 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16956 df_analyze_simple_change_some_blocks,
16957 df_analyze_simple_change_one_block, df_compact_blocks,
16958 df_bb_replace, df_bb_regno_last_use_find,
16959 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16960 df_insn_regno_def_p, df_find_def, df_find_use,
16961 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16962 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16963 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16964 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16965 debug_df_chain, df_get_dependent_problem, df_chain_create,
16966 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16967 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16968 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16969 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16970 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16971 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16972 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16973 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16974 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16975 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16976 df_reorganize_refs, df_set_state, df_hard_reg_init,
16977 df_read_modify_subreg_p) New public functions.
16978 * df-core.c: The core dataflow solver and glue routines for rtl
16980 (df_init, df_add_problem, df_set_blocks, df_finish,
16981 df_hybrid_search_forward, df_hybrid_search_backward,
16982 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16983 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16984 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16985 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16986 df_reg_defined, df_find_use, df_reg_used, df_dump,
16987 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16988 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16989 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16990 debug_df_useno, reset_df_after_reload): New functions.
16991 * df-scan.c: The scanning fuctions, once in df.c, completely
16992 rewritten so that they now fully model the functionality of
16993 register usage at the backend.
16994 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16995 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16996 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16997 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16998 df_get_artificial_defs, df_get_artificial_uses,
16999 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17000 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17001 df_refs_delete, df_reorganize_refs, df_set_state,
17002 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17003 df_def_record_1, df_defs_record, df_uses_record,
17004 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17005 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17006 df_record_exit_block_uses, df_hard_reg_init): New functions.
17008 * df-problems.c: Seven concrete dataflow problems that use the
17009 scanning in df-scan.c and are solved by the engine in df-core.c.
17010 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17011 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17012 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17013 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17014 df_ru_free_bb_info, df_ru_alloc,
17015 df_ru_bb_local_compute_process_def,
17016 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17017 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17018 df_ru_transfer_function, df_ru_free, df_ru_dump,
17019 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17020 df_rd_free_bb_info, df_rd_alloc,
17021 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17022 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17023 df_rd_transfer_function, df_rd_free, df_rd_dump,
17024 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17025 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17026 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17027 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17028 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17029 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17030 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17031 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17032 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17033 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17034 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17035 df_urec_mark_reg_use_for_earlyclobber,
17036 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17037 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17038 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17039 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17040 df_chain_create_bb_process_use, df_chain_create_bb,
17041 df_chain_finalize, df_chain_free, df_chains_dump,
17042 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17043 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17044 df_reg_lifetime): New functions.
17045 * df.c: Deleted file.
17046 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17047 consistent with new df api.
17048 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17049 rest_of_handle_sms): Ditto.
17050 * web.c (unionfind_union, union_defs, entry_register, web_main):
17052 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17053 invariant_expr_equal_p, find_defs, check_dependencies,
17054 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17055 free_inv_motion_data, move_loop_invariants): Ditto.
17056 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17057 Update dependencies.
17058 (odf.c): Added defective entry that was deleted later in day.
17059 * sched-deps.c (sched_analyze_1): Ditto.
17061 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17063 * tree-ssa-operands.c (get_expr_operands): Record addressable
17064 variables directly. Do not call add_stmt_operands for CONST_DECLs
17066 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17067 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17069 2006-01-11 Ben Elliston <bje@au.ibm.com>
17071 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17072 function returns true in the positive case.
17074 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17077 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17078 for SI, DI, SF and DF modes. Add alternatives to copy between
17079 general and floating point registers to the 32-bit patterns.
17080 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17081 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17082 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17083 generating 64-bit code.
17084 * config/pa/pa.c (output_move_double): Handle copies between general
17085 and floating registers.
17087 2006-01-10 Stuart Hastings <stuart@apple.com>
17089 * config/i386/i386.md (set_got): Update.
17090 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17091 (builtin_setjmp_receiver): Mach-O support.
17092 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17093 (GOT_SYMBOL_NAME): Define.
17094 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17095 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17096 * config/i386/i386.c (override_options): Revise for Darwin.
17097 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17098 support. (darwin_x86_file_end): New. (output_set_got): Add label
17099 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17100 * config/i386/i386-protos.h (output_set_got): Likewise.
17101 * config/darwin.c (machopic_legitimize_pic_address): Update
17104 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17106 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17107 when MODE isn't BLKmode.
17109 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17111 PR rtl-optimization/25367
17112 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17114 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17117 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17118 for a negative bound.
17120 2006-01-10 Richard Guenther <rguenther@suse.de>
17122 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17123 Never override with anything constraint.
17125 2006-01-10 Jan Beulich <jbeulich@novell.com>
17127 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17128 256 bits when optimize_size.
17130 2006-01-10 Jan Beulich <jbeulich@novell.com>
17132 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17134 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17135 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17138 2006-01-10 Ben Elliston <bje@au.ibm.com>
17140 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17142 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17143 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17144 (USE_FP_FOR_ARG): Reject decimal float modes.
17145 (function_arg_advance): Likewise.
17146 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17147 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17148 point types in AltiVec vectors.
17149 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17150 (rs6000_libcall_value): Likewise.
17152 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17154 * config/xtensa/ieee754-df.S: New file.
17155 * config/xtensa/ieee754-sf.S: New file.
17156 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17157 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17158 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17160 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17162 * config/sh/predicates.md (binary_float_operator,
17163 binary_logical_operator, commutative_float_operator,
17164 equality_comparison_operator, greater_comparison_operator,
17165 less_comparison_operator, logical_operator,
17166 noncommutative_float_operator, shift_operator,
17167 symbol_ref_operand, unary_float_operator): Remove redundant
17170 2006-01-09 Jeff Law <law@redhat.com>
17172 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17173 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17174 now unused arguments. Callers updated.
17175 (eliminate_redundant_computations): Remove now unused arguments,
17177 (local_fold): Remove, no longer used.
17178 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17180 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17181 (simplify_cond): New function.
17182 (forward_propagate_into_cond): Call simplify_cond.
17184 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17186 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17187 (*vec_extractv2di_1_sse): New.
17189 2006-01-09 Ben Elliston <bje@au.ibm.com>
17191 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17193 2006-01-08 Richard Guenther <rguenther@suse.de>
17195 * tree-ssa-structalias.c (get_constraint_for): Remove
17196 anyoffset argument.
17197 (get_constraint_for_component_ref): Likewise.
17198 (do_deref): Likewise.
17199 (get_constraint_for): Likewise.
17200 (do_structure_copy): Likewise.
17201 (handle_ptr_arith): Likewise.
17202 (find_func_aliases): Likewise. Remove unused need_anyoffset
17205 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17206 Kaz Kojima <kkojima@gcc.gnu.org>
17208 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17209 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17210 (EXTRA_CONSTRAINT_C16): Remove.
17211 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17212 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17213 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17214 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17215 constants of SHmedia. Handle nested constant expressions of
17217 (andcosts): Fix the costs for SHmedia constants.
17218 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17219 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17220 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17221 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17222 (movv4hi_i, movv2si_i): Likewise.
17223 (movsi_const): Adjust the second operand of ior so to match with
17224 the Csu constraint.
17225 (movdi_const, movdi_const_32bit): Likewise.
17226 (movdi_const_16bit+1): Don't sign-extend LOW.
17227 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17229 (*double_shori): Fix the split condition. Use GEN_INT instead
17230 of get_int_mode calls. Mask lower 16-bit of the argument of
17232 (sym2GOTPLT): Remove.
17233 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17235 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17236 instead of EXTRA_CONSTRAINT_C16.
17238 2006-01-07 Ian Lance Taylor <ian@airs.com>
17239 David Edelsohn <edelsohn@gnu.org>
17241 PR rtl-optimization/25662
17242 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17243 for constant operands instead of simplify_gen_binary.
17244 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17245 after trying simplify_binary_operation
17247 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17249 * tree.c (iterative_hash_expr): Hash decls based on UID.
17251 2006-01-06 Eric Christopher <echristo@apple.com>
17253 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17254 (TARGET_UNWIND_EMIT): Fix spelling.
17255 * target.h (gcc_target): Add except_table_label.
17256 * except.c (output_function_exception_table): Use.
17257 * varasm.c (default_emit_except_table_label): New.
17258 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17260 (asm_out): Add here.
17261 * output.h (default_emit_except_table_label): Prototype.
17262 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17263 * config/darwin.c (darwin_emit_except_table_label): Define.
17264 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17266 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17268 PR tree-optimization/18527
17269 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17270 number_of_iterations_special, number_of_iterations_exit):
17271 Move base and step of an iv to a single structure. Add
17272 no_overflow flag, and use it in # of iterations analysis.
17273 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17274 folded_casts argument.
17275 (simple_iv): Pass base and step in a structure. Set no_overflow
17277 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17278 Evaluate expensiveness of computing # of iterations instead of
17279 the final expression.
17280 * tree-scalar-evolution.h (affine_iv): New structure.
17281 (simple_iv): Declaration changed.
17282 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17283 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17284 find_givs_in_stmt): Changed due to simple_iv change.
17286 2006-01-06 Jeff Law <law@redhat.com>
17289 * tree-cfg.c (bsi_replace): Rename final argument from
17290 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17291 change (stmt -> orig_stmt).
17292 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17293 (bsi_remove): Add new argument. Remove EH information
17295 (verify_eh_throw_table_statements): New function.
17296 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17298 * tree-optimize.c (execute_free_cfg_annotations): Verify
17299 the EH throw statement table after removing annotations.
17300 * except.h (verify_eh_throw_table_statements): Prototype.
17301 * tree-flow.h (bsi_remove): Update prototype.
17302 * tree-vrp.c (remove_range_assertions): Add new argument to
17304 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17305 * tree-complex.c (expand_complex_div_wide): Likewise.
17306 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17307 * tree-tailcall.c (eliminate_tailcall): Likewise.
17308 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17309 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17310 * tree-nrv.c (tree_nrv): Likewise.
17311 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17312 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17313 (combine_blocks): Likewise.
17314 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17315 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17316 (cleanup_control_flow): Likewise.
17317 (remove_forwarder_block): Likewise.
17318 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17319 * tree-sra.c (sra_replace): Likewise.
17320 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17321 (forward_propagate_single_use_vars): Likewise.
17322 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17323 * tree-inline.c (expand_call_inline): Likewise.
17324 * tree-vect-transform.c (vect_transform_loop): Likewise.
17325 * tree-outof-ssa.c (rewrite_trees): Likewise.
17326 * tree-cfg.c (make_goto_expr_edges): Likewise.
17327 (cleanup_dead_labels): Likewise.
17328 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17329 (bsi_move_before, bsi_move_after): Likewise.
17330 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17331 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17333 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17336 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17338 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17339 on non gimple variables. Also add checks at the top for decls and
17341 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17343 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17344 and IMAGPART_EXPR for creating MUST_DEFs.
17345 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17346 and NAME_MEMORY_TAG separately from the DECLs.
17348 2006-01-06 Richard Guenther <rguenther@suse.de>
17350 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17351 annotation, if necessary.
17352 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17353 redundant calls to update_stmt.
17354 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17357 2006-01-05 Richard Henderson <rth@redhat.com>
17359 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17361 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17363 * c-typeck.c: Update copyright date.
17365 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17367 * c-typeck.c (build_c_cast): Always warn when casting
17368 from a pointer to an integer of different size, even if
17369 the node was constant.
17371 2006-01-05 Richard Guenther <rguenther@suse.de>
17373 PR tree-optimization/22555
17374 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17375 if one structure field is an array.
17376 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17377 operands even if we found a subvar, but ignore VOPs in this
17379 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17381 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17383 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17385 PR middle-end/24998
17386 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17388 2006-01-05 Richard Guenther <rguenther@suse.de>
17389 Diego Novillo <dnovillo@redhat.com>
17391 * tree-pass.h (TODO_remove_unused_locals): Define.
17392 * gimple-low.c (expand_var_p, remove_useless_vars,
17393 pass_remove_useless_vars): Remove. Update all users.
17394 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17395 (remove_unused_locals): New function.
17396 * tree-flow.h (remove_unused_locals): Declare.
17397 * passes.c (execute_todo): Call remove_unused_locals if
17398 TODO_remove_unused_locals is set.
17399 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17400 * tree-ssa-dce.c (pass_dce): Likewise.
17401 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17403 2006-01-05 Richard Guenther <rguenther@suse.de>
17405 * tree-flow.h (struct fieldoff): Decompose field to
17406 type, size and decl.
17407 * tree-ssa-alias.c (create_sft): Take type as parameter.
17408 (create_overlap_variables_for): Store type, size and decl
17409 in the fieldoff structure.
17410 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17411 of struct fieldoff.
17412 (push_fields_onto_fieldstack): Likewise.
17413 (create_variable_info_for): Likewise. Use offset for the
17414 SFT name if the decl is not available.
17416 2006-01-04 Paul Brook <paul@codesourcery.com>
17418 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17420 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17422 * lambda-code.c (can_put_in_inner_loop): Relax
17424 (can_put_after_inner_loop): New function.
17425 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17426 (perfect_nestify): Change to make copies and modify uses.
17428 2006-01-04 Richard Henderson <rth@redhat.com>
17430 Merge from gomp branch:
17431 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17432 via integer constant.
17433 (pragma_lex): Remove.
17434 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17435 rather than parsing it.
17436 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17437 handle_pragma_extern_prefix): Add %< %> quotes.
17438 (registered_pragmas): New.
17439 (c_register_pragma_1): New.
17440 (c_register_pragma): Use it.
17441 (c_register_pragma_with_expansion): Likewise.
17442 (c_invoke_pragma_handler): New.
17443 (init_pragma): Use cpp_register_deferred_pragma directly for
17445 * c-pragma.h (enum pragma_kind): New.
17446 (pragma_handler): New.
17447 (c_invoke_pragma_handler): Declare.
17448 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17450 * c-common.h (c_common_pch_pragma): Update decl.
17451 * Makefile.in (c-parser.o): Update dependencies.
17452 (GTFILES): Add c-pragma.h.
17453 * c-parser.c (struct c_token): Add pragma_kind.
17454 (struct c_parser): Add in_pragma.
17455 (c_lex_one_token): Always initialize keyword and pragma_kind.
17456 Extract data for CPP_PRAGMA.
17457 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17458 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17459 Don't allow CPP_PRAGMA_EOL if in_pragma.
17460 (c_parser_consume_pragma): New.
17461 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17462 (c_parser_skip_to_end_of_parameter): Likewise.
17463 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17464 (c_parser_skip_to_pragma_eol): New.
17465 (c_parser_external_declaration): Handle CPP_PRAGMA.
17466 (c_parser_compound_statement_nostart): Likewise.
17467 (c_parser_statement_after_labels): Likewise.
17468 (c_parser_pragma): New.
17469 (pragma_lex): Likewise.
17470 (c_parser_pragma_pch_preprocess): New.
17471 (c_parser_new): Merge into ...
17472 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17474 2006-01-04 Jeff Law <law@redhat.com>
17477 * tree-cfg.c (bsi_replace): Remove the original statement
17478 from the EH throw statement table.
17480 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17482 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17483 make the prototype extern "C" and add throw ().
17486 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17487 and pos non-negative and pos + len <= 32.
17488 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17489 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17490 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17493 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17494 as well as sizes not multiple of component size.
17497 * function.c (instantiate_expr): New function.
17498 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17499 walk its DECL_VALUE_EXPR with instantiate_expr.
17501 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17502 DW_OP_deref{,_size} if address isn't going to be added.
17504 2006-01-04 Ben Elliston <bje@au.ibm.com>
17506 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17507 * config/fp-bit.c: Likewise.
17509 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17511 * dominance.c: Add comment about why we use DFS numbering
17514 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17515 Richard Henderson <rth@redhat.com>
17517 Merge from gomp-branch:
17518 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17519 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17521 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17523 PR rtl-optimization/25578
17524 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17525 pass a parameter to simplify_shift_const if changing ASHIFTRT
17528 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17530 * builtins.c (get_builtin_sync_mem): New function.
17531 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17532 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17533 Call get_builtin_sync_mem to generate mem rtx.
17535 2006-01-03 Richard Guenther <rguenther@suse.de>
17538 * stmt.c (add_case_node): Make sure to clear overflow flags
17541 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17543 Merge from gomp-branch.
17544 * config/sparc/sync.md: New file.
17545 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17546 UNSPECV_LDSTUB): New constants.
17547 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17548 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17549 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17552 2006-01-03 Roger Sayle <roger@eyesopen.com>
17554 * combine.c (reg_subword_p): New predicate to test whether the
17555 destination of a set refers to a subword/piece of a register.
17556 (try_combine): Generalize the code to merge the setting of a
17557 pseudo to a constant followed by a set of a subword of that
17558 register to a constant.
17560 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17562 * basic-block.h (control_flow_graph): Change the type of
17563 x_label_to_block_map to VEC(basic_block,gc) *.
17564 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17565 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17567 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17568 VEC(basic_block,heap) *.
17569 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17570 ssa_prop_fini): Adjust the uses of cfg_blocks.
17572 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17574 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17576 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17577 hashing trees instead of a pointer hash.
17578 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17579 compare for MEM_EXPR.
17581 PR rtl-optimization/25130
17582 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17583 when comparing MEMs for GCSE
17585 2006-01-03 Ben Elliston <bje@au.ibm.com>
17587 * targhooks.h (default_decimal_float_supported_p): Declare.
17588 * targhooks.c (default_decimal_float_supported_p): Define.
17589 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17590 `default_decimal_float_supported_p'.
17591 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17593 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17595 * combine.c (apply_distributive_law <SUBREG>): Check
17596 TRULY_NOOP_TRUNCATION.
17598 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17600 * dwarf2out.c (have_switched_text_section): Delete.
17601 (have_multiple_function_sections): New.
17602 (have_location_lists): Make 'bool'.
17603 (add_AT_loc_list): Use 'true' not '1'.
17604 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17605 (output_loc_list): Use have_multiple_function_sections.
17606 (output_ranges): Likewise.
17607 (dwarf2out_begin_function): Set have_multiple_function_sections if
17609 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17610 Check function_section rather than DECL_SECTION_NAME.
17611 (dwarf2out_finish): Use have_multiple_function_sections.
17612 Don't clear have_location_lists.
17614 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17615 Jan Hubicka <jh@suse.cz>
17617 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17618 case of conditional jump jumping to the next instruction.
17619 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17620 cases of conditional jump jumping to the next instruction.
17622 2006-01-02 Jan Hubicka <jh@suse.cz>
17624 * i386.c (*_cost): Add COSTS_N_INSNS.
17625 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17627 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17630 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17632 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17634 * config/arm/arm.c (all_fpus): Fix comment typo.
17635 * config/darwin.c: Likewise.
17636 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17637 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17638 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17640 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17642 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17643 (rs6000_split_compare_and_swapqhi): New.
17644 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17645 (sync_compare_and_swapqhi_internal): New.
17646 * config/rs6000/rs6000-protos.h: Declare.