1 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
7 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
9 * configure.ac: Fixed typo in case statement: :: changed to ;;
11 2006-11-06 Bob Wilson <bob.wilson@acm.org>
13 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
14 count_leading_zeros, and count_trailing_zeros.
15 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
16 (TARGET_FOLD_BUILTIN): Define.
17 (TARGET_EXPAND_BUILTIN): Define.
18 (xtensa_init_builtins): New.
19 (xtensa_fold_builtin): New.
20 (xtensa_expand_builtin): New.
21 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
22 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
23 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
24 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
25 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
26 (any_extend): New code macro.
27 (u, su): New code attributes.
28 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
29 (nsau): Remove; replaced by clzsi2.
31 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
32 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
33 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
34 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
35 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
37 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
39 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
41 * config/arm/t-strongarm-elf: Likewise.
42 * config/arm/t-pe: Likewise.
43 * config/arm/t-arm-elf: Likewise.
44 * config/arm/t-xscale-elf: Likewise.
45 * config/arm/t-arm-coff: Likewise.
46 * config/arm/t-xscale-coff: Likewise.
47 * config/arm/t-wince-pe: Likewise.
49 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
51 * config/sh/lib1funcs-4-300.asm: Guard entire file with
54 2006-11-05 Jakub Jelinek <jakub@redhat.com>
57 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
60 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
63 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
64 as a valid 80387 constant.
65 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
66 * config/i386/i386.md (unnamed splitter): Split the load of
67 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
70 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
72 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
73 from the soft-frame, argument and virtual registers.
75 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
77 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
78 patterns for standard 80387 constants.
80 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
81 Steven Bosscher <steven@gcc.gnu.org>
84 * Makefile.in: Add fwprop.o.
85 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
86 * passes.c (init_optimization_passes): Schedule forward propagation.
87 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
89 * timevar.def (TV_FWPROP): New.
90 * common.opt (-fforward-propagate): New.
91 * opts.c (decode_options): Enable forward propagation at -O2.
92 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
93 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
94 canon_for_address, table_size): Remove.
95 (new_basic_block, insert, remove_from_table): Remove references to
97 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
98 simplification loop more straightforward by not calling fold_rtx
100 (equiv_constant): Move here a small part of fold_rtx_subreg,
101 do not call fold_rtx. Call avoid_constant_pool_reference
103 * recog.h (canonicalize_change_group): New.
105 * doc/invoke.texi (Optimization Options): Document fwprop.
106 * doc/passes.texi (RTL passes): Document fwprop.
108 2006-11-03 Geoffrey Keating <geoffk@apple.com>
110 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
111 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
112 (grokdeclarator): Likewise.
114 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
116 * tree-dump.c (dump_enable_all): Rename local variable
117 ir_type to avoid name conflicts.
118 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
119 instead of using ir_type().
120 * profile.c (tree_register_profile_hooks): Likewise.
121 * value-prof.c (tree_register_value_prof_hooks): Likewise.
122 * basic-block.h (struct edge_def): Likewise.
123 * config/arm/arm.c (legitimize_pic_address): Likewise.
124 * coretypes.h (ir_type): New enum of all intermediate languages
126 * cfghooks.c (ir_type): Rename to...
127 (current_ir_type): ...this. Distinguish between cfgrtl and
128 cfglayout mode when the current IR is RTL. Return enum ir_type.
129 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
131 2006-11-03 Paul Brook <paul@codesourcery.com>
133 * config/arm/arm.c (arm_file_start): New function.
134 (TARGET_ASM_FILE_START): Define.
135 (arm_default_cpu): New variable.
136 (arm_override_options): Set arm_default_cpu.
138 2006-11-03 David Ung <davidu@mips.com>
140 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
141 PROCESSOR_24KC and PROCESSOR_24KF.
142 * config/mips/mips.c (mips_cpu_info_table): Add processor names
143 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
144 (mips_rtx_cost_data): Add costs for the 24kc.
145 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
146 * config/mips/24k.md: Remove references to 24k and replace with
147 uses of 24kc/24kf in the appropriate reservations.
148 * doc/invoke.texi (MIPS Options): Updated.
150 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
152 * config/sh/crt1.asm: Fix #ifdef indent.
154 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
155 Merged from STMicroelectronics sources:
156 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
157 * config/sh/crt1.asm (vbr_600): Add missing #if.
158 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
159 * sh.opt (mfused-madd): New option.
160 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
161 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
162 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
163 Remove pointless handler at VBR+0.
164 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
165 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
166 fr7. Make sure the timer handler is called with the correct FPU
167 precision setting, according to the ABI.
168 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
169 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
170 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
171 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
172 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
173 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
174 zero as second operand.
175 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
176 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
177 Fixed some bugs related to negative values, in particular -0
178 and overflow at -0x80000000.
179 * config/sh/divcost-analysis: Added sh4-300 figures.
180 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
181 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
182 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
183 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
184 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
185 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
187 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
189 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
190 SH4-300 scheduling description & fixes to SH4-[12]00 description:
191 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
192 mac_mem, mem_mac, dfp_mul, fp_cmp.
193 (insn_class, dfp_comp, any_fp_comp): Update.
194 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
195 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
196 (muldf3_i): Likewise.
197 (movsi_i): Split rI08 alternative into two separate alternatives.
199 (movsi_ie, movsi_i_lowpart): Likewise.
200 (movqi_i): Split ri alternative into two separate alternatives.
202 * sh1.md (sh1_load_store, sh1_fp): Update.
203 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
204 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
205 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
206 (sh4a_fp_double_arith): Likewise.
207 * sh4-300.md: New file.
208 * sh.c (sh_handle_option): Handle m4-300* options.
209 (sh_adjust_cost): Fix latency of auto-increments.
210 Handle SH4-300 differently than other SH4s. Check for new insn types.
211 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
212 been set by an option.
213 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
214 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
215 (mbranch-cost=): Likewise.
216 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
218 * sh.md (mulsf3): Remove special expansion code.
219 (mulsf3_ie): Now a define_insn_and_split.
220 (macsf3): Allow for TARGET_SH4.
222 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
223 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
224 (expand_cbranchdi4): Likewise.
225 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
226 CONST_DOUBLE if the outer code is COMPARE.
227 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
228 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
229 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
230 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
231 Remove redundant fp_{zero,one}_operand checks.
232 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
233 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
234 (expand_cbranchdi4): Likewise.
235 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
236 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
238 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
240 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
243 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
245 * doc/invoke.texi: Fix mfp-trap-mode typo.
247 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
249 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
250 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
251 file_end_indicate_exec_stack.
252 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
254 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
255 for a non-executable stack.
256 * crti.asm: Likewise.
257 * crtn.asm: Likewise.
258 * libunwind.S: Likewise.
260 2006-11-02 Ben Elliston <bje@au.ibm.com>
262 * tree-ssa.c (warn_uninit): Use expand_location variables for
263 locus and declaration locus.
265 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
268 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
269 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
270 cmp{eq,gt,gtu}{si,di}_media.
271 (*cmpne0si_media): Remove.
272 (*movsicc_umin): Adjust gen_cmp*_media call.
273 (unordered): Change the mode of unordered and operands[1] to
275 (seq): Adjust gen_cmp*_media calls. Make the mode of
276 a temporary result of compare SImode if needed. If the mode
277 of operands[0] is DImode, extend the temporary result to DImode.
278 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
279 (sunorderd): Change the mode of match_operand and unorderd to
281 (cmpeq{sf,df}_media): Remove.
282 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
283 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
284 and compare operation to SImode.
286 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
288 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
290 (sparc64-sun-solaris2*): Likewise.
292 2006-11-02 Paul Brook <paul@codesourcery.com>
294 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
295 from priority argument. Use different section for non-default
297 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
299 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
302 * except.c (switch_to_exception_section): Do not cache the section
303 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
304 and flag_function_sections is set.
306 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
309 * builtins.c (do_mpfr_sincos): New.
310 (fold_builtin_1): Use it to fold builtin sincos.
312 2006-11-01 Roger Sayle <roger@eyesopen.com>
314 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
315 it into -D_REENTRANT.
317 2006-11-01 Roger Sayle <roger@eyesopen.com>
319 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
320 whether the assembler supports taking the difference of symbols in
321 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
322 * configure: Regenerate.
323 * config.in: Regenerate.
324 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
325 the assembler doesn't support taking the difference of symbols in
326 different sections, i.e. we're using the native solaris assembler.
328 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
329 Peter Bergner <bergner@vnet.ibm.com>
331 * doc/invoke.texi: Add cpu_type power6x
332 (RS/6000 and PowerPC Options): Add -mmfpgpr.
333 * config.gcc: Add cpu_type power6x.
334 * configure.ac: Add test for mf{t,f}gpr instructions.
335 (HAVE_AS_MFPGPR): New.
336 * config.in: Regenerate.
337 * configure: Regenerate.
338 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
339 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
340 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
341 and mftgpr attributes.
342 (define_attr "cpu"): Add power6.
343 Change instruction sequences to use new attributes.
344 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
345 (fix_truncdfsi2_mfpgpr): New.
346 (floatsidf_ppc64_mfpgpr): New.
347 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
348 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
349 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
350 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
351 (fix_truncdfsi2): Use gpc_reg_operand constraint.
352 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
353 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
354 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
355 cntlz,exts and var_delayed_compare.
356 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
357 _ARCH_PWR6X, if features enabled.
358 * config/rs6000/rs6000.opt (mmfpgpr): New.
359 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
360 (cached_can_issue_more): New variable.
361 (processor_costs): Add power6_cost.
362 (rs6000_sched_init): New function.
363 (is_dispatch_slot_restricted): Deleted.
364 (set_to_load_agen): New function.
365 (is_load_insn,is_store_insn): New functions.
366 (adjacent_mem_locations): New function.
367 (insn_must_be_first_in_group): New function.
368 (insn_must_be_last_in_group): New function.
369 (rs6000_sched_reorder): New function.
370 (rs6000_sched_reorder2): New function.
371 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
372 TARGET_SCHED_REORDER2): Define.
373 (processor_target_table): Use PROCESSOR_POWER6 for power6.
374 Add power6x. Add MASK_MFPGPR for power6x.
375 (POWERPC_MASKS): Add MASK_MFPGPR.
376 (rs6000_override_options): Set rs6000_always_hint to false
377 for power6. Set rs6000_align_branch_targets. Replace
378 rs6000_sched_groups check with rs6000_align_branch_targets.
379 Use PROCESSOR_POWER6.
380 (last_scheduled_insn): New variable.
381 (load_store_pendulum): New variable.
382 (rs6000_variable_issue): Set last_scheduled_insn and
383 cached_can_issue_more.
384 (rs6000_adjust_cost): Add power6 cost adjustments.
385 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
386 with insn_must_be_first_in_group. Add power6 priority adjustments.
387 (rs6000_issue_rate): Add CPU_POWER6.
388 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
389 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
390 (TARGET_MFPGPR): New.
391 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
392 (ASM_CPU_SPEC): Add power6x.
393 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
395 * config/rs6000/power6.md: New file.
397 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
399 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
400 HOST_WIDE_INT_PRINT to print high and low parts. Use
401 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
402 printing a hexadecimal number prefix it with 0x.
404 2006-11-01 Chris Johns <chris@contemporary.net.au>
407 * Makefile.in (install-driver): Use exeext when installing
408 $target-gcc-$version.
410 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
412 * c-common.c (flag_cpp0x): New.
413 * c-common.h (flag_cpp0x): New.
414 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
415 supported, define __GXX_EXPERIMENTAL_CPP0X__.
416 * c-opts.c (set_std_cxx0x): New.
417 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
418 * c.opt (std=c++0x): Document.
419 (std=gnu++0x): Ditto.
420 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
421 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
423 2006-11-01 Richard Guenther <rguenther@suse.de>
425 * config/i386/i386.c (ix86_expand_rint): Fix issues with
427 (ix86_expand_floorceildf_32): Likewise.
428 (ix86_expand_floorceil): Likewise.
429 (ix86_expand_trunc): Likewise.
431 2006-10-31 Andrew Pinski <pinskia@gmail.com>
433 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
436 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
438 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
440 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
442 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
444 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
445 * configure.ac (use_cxa_atexit): As a special case, don't test
446 for libc definition of __cxa_atexit on mingw32
447 * configure: Regenerate.
448 * config.gcc (i[34567]86-pc-mingw32): Default to
449 enable__cxa_atexit=yes.
451 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
453 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
455 2006-10-31 Geoffrey Keating <geoffk@apple.com>
458 * c-decl.c (start_struct): Don't create self-containing
460 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
462 * config/rs6000/rs6000-protos.h
463 (darwin_rs6000_special_round_type_align): New.
464 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
465 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
467 2006-10-31 Geoffrey Keating <geoffk@apple.com>
469 * toplev.c (compile_file): Call final_write_globals
470 even if there have been errors.
472 2006-10-31 Eric Christopher <echristo@apple.com>
473 Falk Hueffner <falk@debian.org>
475 * doc/extend.texi (__builtin_bswap32): Document.
476 (__builtin_bswap64): Ditto.
477 * doc/libgcc.texi (bswapsi2): Document.
479 * doc/rtl.texi (bswap): Document.
480 * optabs.c (expand_unop): Don't widen a bswap.
481 (init_optabs): Init bswap. Set libfuncs explicitly
482 for bswapsi2 and bswapdi2.
483 * optabs.h (OTI_bswap): New.
484 (bswap_optab): Ditto.
485 * genopinit.c (optabs): Handle bswap_optab.
486 * tree.h (tree_index): Add TI_UINT32_TYPE and
488 (uint32_type_node): New.
489 (uint64_type_node): Ditto.
490 * tree.c (build_common_tree_nodes_2): Initialize
491 uint32_type_node and uint64_type_node.
492 * builtins.c (expand_builtin_bswap): New.
493 (expand_builtin): Call.
494 (fold_builtin_bswap): New.
495 (fold_builtin_1): Call.
496 * fold-const.c (tree_expr_nonnegative_p): Return true
498 * builtin-types.def (BT_UINT32): New.
500 (BT_FN_UINT32_UINT32): Ditto.
501 (BT_FN_UINT64_UINT64): Ditto.
502 * builtins.def (BUILT_IN_BSWAP32): New.
503 (BUILT_IN_BSWAP64): Ditto.
504 * rtl.def (BSWAP): New.
505 * genattrtab.c (check_attr_value): New.
506 * libgcc2.c (__bswapSI2): New.
508 * libgcc2.h (__bswapSI2): Declare.
510 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
511 * simplify-rtx.c (simplify_const_unary_operation): Return
513 * libgcc-std.ver (__bwapsi2): Add.
515 * reload1.c (eliminate_regs_1): Add bswap.
516 (elimination_effects): Ditto.
517 * config/i386/i386.h (x86_bswap): New.
519 * config/i386/i386.c (x86_bswap): Set.
521 2006-10-31 Geoffrey Keating <geoffk@apple.com>
523 * coverage.c (coverage_checksum_string): Update comment.
524 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
525 of get_file_function_name.
526 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
527 of get_file_function_name_long.
528 * tree.c (get_file_function_name): Rename from
529 get_file_function_name_long; improve comment; handle 'I' and 'D'
530 specially when the target has ctor/dtor support; remove special
532 (get_file_function_name): Remove.
533 * tree.h (get_file_function_name): Rename from
534 get_file_function_name_long.
535 (get_file_function_name): Remove prototype.
537 2006-10-31 Geoffrey Keating <geoffk@apple.com>
539 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
540 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
542 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
543 Call dsymutil when compiling and linking one or more source files
546 2006-10-31 Geoffrey Keating <geoffk@apple.com>
549 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
551 2006-10-31 Geoffrey Keating <geoffk@apple.com>
553 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
554 inline static functions in c99 mode.
557 * doc/extend.texi (Inline): Update.
558 * c-tree.h (struct language_function): Remove field 'extern_inline'.
559 * c-decl.c (current_extern_inline): Delete.
560 (pop_scope): Adjust test for an undefined nested function.
561 Add warning about undeclared inline function.
562 (diagnose_mismatched_decls): Update comments. Disallow overriding
563 of inline functions in a translation unit in C99. Allow inline
564 declarations in C99 at any time.
565 (merge_decls): Boolize variables. Handle C99 'extern inline'
567 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
568 C99 inline semantics.
569 (start_function): Don't clear current_extern_inline. Don't set
571 (c_push_function_context): Don't push current_extern_inline.
572 (c_pop_function_context): Don't restore current_extern_inline.
575 * c-typeck.c (build_external_ref): Warn about static variables
576 used in extern inline functions.
577 * c-decl.c (start_decl): Warn about static variables declared
578 in extern inline functions.
580 2006-10-31 Roger Sayle <roger@eyesopen.com>
583 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
584 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
585 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
586 or y is an even integer.
588 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
591 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
592 * gthr-posix95.h (__gthread_active_p): Likewise.
594 2006-10-31 Richard Guenther <rguenther@suse.de>
596 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
597 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
598 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
599 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
600 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
601 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
602 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
603 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
606 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
608 * opts.c (decode_options): Disable CSE skip blocks.
610 2006-10-30 Dirk Mueller <dmueller@suse.de>
612 * c-common.h (strict_aliasing_warning): Fix whitespace.
613 * c-decl (start_function): Move code for main decl warning ..
614 * c-common.c (check_main_parameter_types): .. here.
615 * c-common.h (check_main_parameter_types): Declare.
617 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
620 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
622 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
624 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
625 be a PARALLEL containing sets. Return false when out_pat is not
628 2006-10-30 Richard Sandiford <richard@codesourcery.com>
630 * config/mips/mips.md (mul<mode>3): Split into...
631 (mulsi3, muldi3): ...these separate patterns.
633 2006-10-30 Richard Sandiford <richard@codesourcery.com>
635 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
636 but with each set of options separated by spaces.
638 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
640 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
641 dwarf_reg_size_table has been initialized.
643 2006-10-30 Roger Sayle <roger@eyesopen.com>
645 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
646 * ddg.c (print_ddg_edge): Likewise.
647 * dwarf2out.c (prune_unused_types_walk): Likewise.
648 * ifcvt.c (noce_try_cmove_arith): Likewise.
649 * langhooks.c (add_builtin_function): Likewise.
650 * reg-stack.c (subst_stack_regs_pat): Likewise.
651 * tree.c (expanded_location): Likewise.
652 * tree-dump.c (dequeue_and_dump): Likewise.
654 2006-10-30 David Daney <ddaney@avtrex.com>
656 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
658 2006-10-30 Jakub Jelinek <jakub@redhat.com>
660 PR tree-optimization/29637
661 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
662 of the innertype is the innertype itself.
664 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
666 * dwarf2out.c (file_name_acquire): Correct typo.
668 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
670 * tree.h (tree_value_handle): Remove struct value_set declaration.
671 Change value_set to bitmap_set.
672 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
673 * tree-vn.c (get_value_handle): Made inline and moved to
675 * tree-flow-inline.h: (has_stmt_ann): New function.
676 * tree-ssa-pre.c (expressions): New variable.
677 (next_expression_id): Ditto.
678 (alloc_expression_id): New function.
679 (struct value_set): Remove.
680 (get_expression_id): New function.
681 (get_or_alloc_expression_id): Ditto.
682 (expression_for_id): Ditto.
683 (clear_expression_ids): Ditto.
684 (FOR_EACH_EXPR_ID_IN_SET): New macro.
685 (bb_value_sets): Renamed to bb_bitmap_sets.
686 All value sets replaced with bitmap_sets.
688 (BB_VISITED): New macro.
689 (postorder): New variable.
690 (add_to_value): Removed.
691 (value_exists_in_set_bitmap): Ditto.
692 (value_insert_into_set_bitmap): Ditto.
696 (set_contains_value): Ditto.
697 (insert_into_set): Ditto.
699 (find_leader): Ditto.
700 (bitmap_set_subtract_from_value_set): Ditto.
701 (value_insert_into_set): Ditto.
702 (print_value_set): Ditto.
703 (debug_value_set): Ditto.
704 (constant_expr_p): New function.
705 (bitmap_remove_from_set): Ditto.
706 (bitmap_insert_into_set): Ditto.
707 (bitmap_set_free): Ditto.
709 (sorted_array_from_bitmap_set): Ditto.
710 (bitmap_set_subtract): Ditto.
711 (bitmap_set_equal): Ditto.
712 (debug_bitmap_set): Ditto.
713 (find_leader_in_sets): Ditto.
714 (bitmap_set_replace_value): Modify for bitmapped sets.
715 (phi_translate): Ditto.
716 (phi_translate_set): Ditto.
717 (bitmap_find_leader): Ditto.
718 (valid_in_sets): Ditto.
719 (union_contains_value): Ditto.
721 (compute_antic_aux): Ditto. Mark changed blocks.
722 (compute_antic): Ditto. Iterate in postorder and only over
724 (compute_rvuse_and_antic_safe): Reuse postorder.
725 (create_component_ref_by_pieces): Modify for bitmapped sets.
726 (find_or_generate_expression): Ditto.
727 (create_expression_by_pieces): Ditto.
728 (insert_into_preds_of_block): Ditto.
729 (changed_blocks): New variable.
730 (do_regular_insertion): Broken out from insert_aux.
731 (insert_aux): Modified for bitmapped sets.
732 (find_existing_value_expr): New function.
733 (create_value_expr_from): Use it.
734 (insert_extra_phis): Removed.
735 (print_bitmap_set): Renamed from bitmap_print_value_set.
736 (compute_avail): Handle RETURN_EXPR.
737 (init_pre): Modify for bitmapped sets.
738 * tree-flow.h (has_stmt_ann): New function.
740 2006-10-29 Roger Sayle <roger@eyesopen.com>
742 * builtins.c (fold_builtin_floor): Check for the availability of
743 the C99 trunc function before transforming floor into trunc.
745 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
747 * builtins.c (fold_builtin_hypot): Rearrange recursive
748 transformation before others, and also do ABS_EXPR. When
749 necessary, check flag_unsafe_math_optimizations. When necessary,
752 2006-10-29 Roger Sayle <roger@eyesopen.com>
754 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
755 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
756 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
757 Fold -X eq/ne -Y as X eq/ne Y.
759 2006-10-29 Richard Sandiford <richard@codesourcery.com>
761 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
762 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
763 rather than GENERATE_MULT3_SI in the various define_peephole2s.
764 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
765 Use an inclusive test for "mult" rather than "mul".
766 (rotr<mode>3): Depend on ISA_HAS_ROR.
767 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
769 (GENERATE_MULT3_DI): Delete.
770 (ISA_HAS_64BIT_REGS): Use consistent formatting.
771 (ISA_HAS_MUL3): New macro.
772 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
773 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
774 (ISA_HAS_CLZ_CLO): Likewise.
775 (ISA_HAS_DCLZ_DCLO): Delete.
776 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
777 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
778 the VR4120 and VR4130.
779 (ISA_HAS_MACCHI): Use consistent formatting.
780 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
781 (ISA_HAS_ROR): ...this new macro.
782 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
783 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
784 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
786 2006-10-29 Roger Sayle <roger@eyesopen.com>
788 PR tree-optimization/15458
789 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
792 2006-10-29 Richard Guenther <rguenther@suse.de>
794 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
795 (ix86_expand_truncdf_32): Likewise.
796 * config/i386/i386.c (ix86_expand_trunc): New function expanding
797 trunc inline for SSE math and -fno-trapping-math and if not
799 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
800 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
801 for expanding btrunc inline for SSE math.
803 2006-10-29 Joseph Myers <joseph@codesourcery.com>
805 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
806 Handle tuning for bi-arch i[34567]86-*-linux* like that for
807 i[34567]86-*-solaris2.1[0-9]*.
808 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
809 Define conditionally depending on TARGET_64BIT_DEFAULT.
810 (SPEC_32, SPEC_64): Define.
811 (LINK_SPEC): Use them.
812 * doc/install.texi (--enable-targets=all): Document for x86-linux.
814 2006-10-29 Richard Guenther <rguenther@suse.de>
816 * config/i386/i386-protos.h (ix86_expand_round): Declare.
817 (ix86_expand_rounddf_32): Likewise.
818 * config/i386/i386.c (ix86_expand_round): New function expanding
819 round inline for SSE math and -fno-trapping-math and if not
821 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
822 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
823 round via ix86_expand_round.
825 2006-10-29 Richard Guenther <rguenther@suse.de>
827 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
828 (ix86_expand_floorceildf_32): Likewise.
829 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
830 static helper function.
831 (ix86_expand_floorceil): Expander for floor and ceil to SSE
833 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
834 * config/i386/i386.md (floordf2): Adjust to enable floor
835 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
836 -fno-trapping-math is enabled and if not optimizing for size.
837 (floorsf2, ceildf2, ceilsf2): Likewise.
838 * config/i386/sse.md (sse_maskcmpsf3): New insn.
839 (sse2_maskcmpdf3): Likewise.
841 2006-10-29 Richard Guenther <rguenther@suse.de>
843 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
844 rint in case -fno-trapping-math is enabled.
845 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
846 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
847 (ix86_expand_sse_fabs): Likewise.
848 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
849 * config/i386/i386.md (rintdf2): Enable for SSE math if
850 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
853 2006-10-29 Richard Guenther <rguenther@suse.de>
855 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
856 to conversion optabs.
857 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
859 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
860 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
861 (lfloor_optab, lceil_optab): Adjust defines.
862 * builtins.c (expand_builtin_int_roundingfn): Adjust for
863 lfloor and lceil optabs now being conversion optabs.
864 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
865 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
866 New static helper function.
867 (ix86_expand_lfloorceil): New function to expand lfloor and
869 * config/i386/i386.md (lfloor<mode>2): Split into ...
870 (lfloorxf<mode>2): ... x87 variant
871 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
872 using ix86_expand_lfloorceil.
873 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
875 * doc/md.texi (lfloorMN, lceilMN): Document.
877 2006-10-29 Richard Sandiford <richard@codesourcery.com>
879 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
880 -mno-shared assembler option on mips targets.
881 * configure, config.in: Regenerate.
882 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
883 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
884 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
886 2006-10-29 Richard Sandiford <richard@codesourcery.com>
888 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
889 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
891 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
893 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
894 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
897 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
900 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
901 (fold_builtin_pow): Evaluate constant arguments at compile-time
903 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
904 (do_mpfr_ckconv): New helper function.
905 (do_mpfr_arg1): Use do_mpfr_ckconv.
908 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
911 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
912 (-fdump-rtl-sched): Rename to ..
913 (-fdump-rtl-sched1): here. Also fix file extension number.
915 2006-10-28 Richard Guenther <rguenther@suse.de>
917 * fold-const.c (maybe_canonicalize_comparison): Fix code
920 2006-10-28 Uros Bizjak <uros@kss-loka.si>
922 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
923 (NON_QI_REG_P): Use IN_RANGE.
924 (REX_INT_REGNO_P): Use IN_RANGE.
925 (FP_REGNO_P): Use IN_RANGE.
926 (SSE_REGNO_P): Use IN_RANGE.
927 (REX_SSE_REGNO_P): Use IN_RANGE.
928 (MMX_REGNO_P): Use IN_RANGE.
929 (STACK_REGNO_P): New macro.
930 (STACK_REG_P): Use STACK_REGNO_P.
931 (NON_STACK_REG_P): Use STACK_REGNO_P.
932 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
933 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
934 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
935 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
936 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
938 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
940 * except.h (output_function_exception_table): Add 'const char*' param.
941 * except.c (switch_to_exception_section): Add 'const char*' param.
942 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
943 and flag_function_sections is set, use a function-specific section.
944 (output_function_exception_table): Add 'const char*' param.
945 Adjust call to switch_to_exception_section.
946 * final.c (rest_of_handle_final): Adjust calls to
947 output_function_exception_table.
948 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
949 * config.in: Regenerate.
950 * configure: Likewise.
952 2006-10-28 Richard Guenther <rguenther@suse.de>
955 * fold-const.c (maybe_canonicalize_comparison_1): Helper
956 for maybe_canonicalize_comparison.
957 (maybe_canonicalize_comparison): New function for canonicalizing
959 (fold_comparison): Call it to canonicalize comparisons with
962 2006-10-28 Richard Guenther <rguenther@suse.de>
965 * builtins.c (expand_builtin_int_roundingfn_2): Expand
966 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
967 (expand_builtin): Adjust likewise.
968 * genopinit.c (optabs[]): Add lround optab.
969 * optabs.c (init_optabs): Initialize lround_optab.
970 * optabs.h (enum convert_optab_index): Add COI_lround.
971 (lround_optab): Define.
972 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
973 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
975 (ix86_expand_lround): New function.
976 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
978 * doc/md.texi (lroundMN2): Document.
980 2006-10-28 Uros Bizjak <uros@kss-loka.si>
983 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
984 argument to HOST_WIDE_INT. Update function prototype.
985 (round_frame_size): Change return type to HOST_WIDE_INT. Change
986 "size" argument to HOST_WIDE_INT. Update function prototype.
988 2006-10-28 Uros Bizjak <uros@kss-loka.si>
990 * config/i386/i386.c (output_387_ffreep): Create output from a
991 template string for !HAVE_AS_IX86_FFREEP.
993 2006-10-27 Eric Christopher <echristo@apple.com>
995 * config/darwin.c: Fix formatting and grammar.
997 2006-10-27 Jan Hubicka <jh@suse.cz>
999 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1000 to be thrown away soon when IGNORE is set.
1001 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1002 indicating when return value shall not be computed.
1003 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1005 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1007 * config/i386/i386.h (TARGET_GEODE):
1008 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1009 (TARGET_CPU_DEFAULT_geode): New macro.
1010 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1011 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1012 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1013 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1014 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1016 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1017 (processor_type): Add PROCESSOR_GEODE.
1019 * config/i386/i386.md: Include geode.md.
1022 * config/i386/i386.c (geode_cost): New initialized global
1024 (m_GEODE, m_K6_GEODE): New macros.
1025 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1026 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1027 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1028 x86_schedule): Use m_K6_GEODE instead of m_K6.
1029 (x86_movx, x86_cmove): Set up m_GEODE.
1030 (x86_integer_DFmode_moves): Clear m_GEODE.
1031 (processor_target_table): Add entry for geode.
1032 (processor_alias_table): Ditto.
1034 * config/i386/geode.md: New file.
1036 * doc/invoke.texi: Add entry about geode processor.
1038 2006-10-27 Mike Stump <mrs@apple.com>
1040 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1041 __DYNAMIC__ from here back to ...
1042 * config/darwin.h (CPP_SPEC): ... here.
1044 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1045 Nathan Sidwell <nathan@codesourcery.com>
1047 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1048 when choosing the minimum heapsize.
1050 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1052 * gcc/unwind-dw2.h: Move cfa-related variables into
1053 struct frame_state_reg_info to ensure that the CFA is properly
1054 handled when executing DW_CFA_{remember,restore}_state.
1055 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1056 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1057 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1058 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1059 gcc/config/rs6000/linux-unwind.h,
1060 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1061 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1062 Modify to use new cfa_* fields.
1064 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1066 * config/s390/s390.c (s390_init_frame_layout): Check positive
1069 2006-10-26 Ben Elliston <bje@au.ibm.com>
1071 * gimplify.c (get_name): Remove extraneous break.
1072 (gimplify_omp_for): Initialise ret with GS_OK.
1074 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1076 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1077 Add unix98.o to link line.
1079 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1082 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1083 Calculate compile-time constants using MPFR.
1084 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1085 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1087 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1089 * config/xtensa/lib2funcs.S: Use C-style comments.
1091 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1093 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1094 (file_table_relative_p): Likewise.
1095 (dwarf2out_finish): Likewise.
1096 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1098 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1100 * tree-ssa-structalias.c (intra_create_variable_infos):
1101 Don't recreate nonlocal_all if it already exists.
1103 2006-10-25 Richard Guenther <rguenther@suse.de>
1106 * optabs.h (enum optab_index): Remove OTI_lrint.
1107 (enum convert_optab_index): Add COI_lrint.
1108 (lrint_optab): Adjust.
1109 (expand_sfix_optab): Declare.
1110 * optabs.c (expand_sfix_optab): New function.
1111 (init_optabs): Init lrint_optab as conversion optab.
1112 * genopinit.c (lrint_optab): Change to a conversion optab.
1113 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1114 expansion via conversion optab.
1115 * config/i386/i386.md (*fistdi2_1): Remove
1116 flag_unsafe_math_optimizations guard.
1117 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1118 fist<mode>2_with_temp): Likewise.
1119 (lrint<mode>2): Split into...
1120 (lrintxf<mode>2): ... x87 part
1121 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1122 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1123 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1124 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1125 * doc/md.texi (lrintMN2): Document.
1127 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1130 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1131 Use inc and dec instructions for TARGET_USE_INCDEC.
1132 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1133 ("sync_double_compare_and_swap<mode>"): Likewise.
1134 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1135 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1136 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1137 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1138 ("sync_old_add<mode>"): Likewise.
1139 ("sync_lock_test_and_set<mode>"): Likewise.
1140 ("sync_lock_test_and_set<mode>"): Likewise.
1141 ("sync_add<mode>"): Likewise.
1142 ("sync_sub<mode>"): Likewise.
1143 ("sync_ior<mode>"): Likewise.
1144 ("sync_and<mode>"): Likewise.
1145 ("sync_xor<mode>"): Likewise.
1147 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1149 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1150 (remainder_optab): Define corresponding macro.
1151 (drem_optab): Remove.
1152 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1153 drem_optab initialization.
1154 * genopinit.c (optabs): Implement remainder_optab using
1155 remainder?f3 patterns. Remove drem_optab.
1156 * builtins.c (expand_builtin_mathfn_2): Handle
1157 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1158 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1159 expand_builtin_mathfn_2.
1161 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1162 depend on flag_unsafe_math_optimizations.
1164 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1165 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1166 Do not depend on flag_unsafe_math_optimizations. Use
1167 truncxf?f expander instead of truncxf?f_i387_noop.
1169 ("fpremxf4", "fprem1xf4"): Do not depend on
1170 flag_unsafe_math_optimizations.
1171 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1172 flag_unsafe_math_optimizations. Use truncxf?f expander
1173 instead of truncxf?f_i387_noop.
1175 * doc/md.texi (fmod, remainder): Document standard named pattern.
1177 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1178 David Daney <ddaney@avtrex.com>
1181 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1183 2006-10-25 Ben Elliston <bje@au.ibm.com>
1185 * doc/extend.texi (Variable Attributes): Typo fix.
1187 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1189 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1190 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1191 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1192 (FRAME_POINTER_REGNUM): Update register number to 21.
1193 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1194 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1196 * config/i386/i386.c (regclass_map): Add fpcr entry.
1197 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1199 (print_reg): Assert REGNO (x) != FPCR_REG.
1201 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1202 (DIRFLAG_REG): Renumber.
1203 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1204 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1205 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1206 hardcoded SSE register numbers.
1208 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1209 hardcoded MMX register numbers.
1211 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1214 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1215 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1217 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1218 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1219 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1220 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1222 2006-10-24 Richard Guenther <rguenther@suse.de>
1225 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1226 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1227 for deciding optimizations in consistency with fold-const.c
1228 (fold_builtin_unordered_cmp): Likewise.
1230 2006-10-24 Richard Guenther <rguenther@suse.de>
1232 * builtins.c (fold_builtin_floor): Fold floor (x) where
1233 x is nonnegative to trunc (x).
1234 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1235 nonnegative to FIX_TRUNC_EXPR.
1237 2006-10-24 Richard Guenther <rguenther@suse.de>
1239 PR tree-optimization/29567
1240 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1241 for TRUTH_NOT_EXPR. Clarify comments.
1243 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1246 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1247 at compile-time using MPFR. Change parameter VALUE to FUNC,
1249 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1250 for overflow and underflow at all times and avoid folding in
1253 2006-10-24 Ben Elliston <bje@au.ibm.com>
1255 * reload1.c: Formatting fixes.
1257 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1259 PR tree-optimization/14784
1260 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1261 * tree-ssa-structalias.c (get_constraint_for,
1262 intra_create_variable_infos): Set is_heapvar.
1263 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1264 non-heapvar pointer variables specially.
1266 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1269 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1270 fold_builtin_tan): Fold all constant arguments. Take a "type"
1271 argument as necessary.
1272 (do_mpfr_arg1): New.
1273 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1275 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1277 * config/xtensa/lib1funcs.asm: Use C-style comments.
1279 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1281 * tree.c (local_define_builtin): Replace calls to
1282 lang_hooks.builtin_function with add_builtin_function.
1283 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1285 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1287 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1288 common code to add_builtin_function.
1289 * langhooks.c (add_builtin_function): New function.
1290 (lhd_builtin_function): New function.
1291 * langhooks.h (struct lang_hooks): Change the signature of
1293 (add_builtin_function): New function.
1294 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1295 calls to lang_hooks.builtin_function with add_builtin_function.
1296 * c-common.c (decl_builtin_1): Replace calls to
1297 lang_hooks.builtin_function with add_builtin_function.
1298 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1299 lang_hooks.builtin_function with add_builtin_function.
1300 * config/frv/frv.c (def_builtin): Replace calls to
1301 lang_hooks.builtin_function with add_builtin_function.
1302 * config/s390/s390.c (s390_init_builtins): Replace calls to
1303 lang_hooks.builtin_function with add_builtin_function.
1304 * config/sparc/sparc.c (def_builtin): Replace calls to
1305 lang_hooks.builtin_function with add_builtin_function.
1306 * config/i386/i386.c (def_builtin): Replace calls to
1307 lang_hooks.builtin_function with add_builtin_function.
1308 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1309 lang_hooks.builtin_function with add_builtin_function.
1310 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1311 lang_hooks.builtin_function with add_builtin_function.
1312 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1313 Replace calls to lang_hooks.builtin_function with
1314 add_builtin_function.
1315 * config/iq2000/iq2000.c (def_builtin):
1316 Replace calls to lang_hooks.builtin_function with
1317 add_builtin_function.
1318 * config/ia64/ia64.c (def_builtin): Replace calls to
1319 lang_hooks.builtin_function with add_builtin_function.
1320 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1321 lang_hooks.builtin_function with add_builtin_function.
1322 (altivec_init_builtins): Replace calls to
1323 lang_hooks.builtin_function with add_builtin_function.
1324 * config/arm/arm.c (def_mbuiltin): Replace calls to
1325 lang_hooks.builtin_function with add_builtin_function.
1326 (arm_init_tls_builtins): Replace calls to
1327 lang_hooks.builtin_function with add_builtin_function.
1328 * config/mips/mips.c (mips_init_builtins): Replace calls to
1329 lang_hooks.builtin_function with add_builtin_function.
1330 * config/bfin/bfin.c (def_builtin): Replace calls to
1331 lang_hooks.builtin_function with add_builtin_function.
1332 * langhooks-def.h (lhd_builtin_function): New function.
1333 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1335 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1337 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1338 BUILT_IN_STRNCAT_CHK.
1340 2006-10-23 Jan Hubicka <jh@suse.cz>
1342 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1343 don't do conversion from memmove to memcpy here.
1344 (expand_builtin_bcopy, expand_builtin): Update call of
1345 expand_builtin_memmove.
1346 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1348 2006-10-23 Paul Brook <paul@codesourcery.com>
1350 * stor-layout.c (start_record_layout): maximum_field_alignment
1351 overrides STRUCTURE_SIZE_BOUNDARY.
1353 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1355 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1356 nonlocal function symbols if flag_pic.
1358 2006-10-23 Richard Guenther <rguenther@suse.de>
1362 * builtins.c (fold_binary): Remove checks for flag_wrapv
1363 and flag_trapv where negate_expr_p covers these cases.
1365 2006-10-23 Richard Guenther <rguenther@suse.de>
1368 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1369 of two on the absolute value.
1370 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1371 and negating -C does not overflow.
1373 2006-10-23 Richard Guenther <rguenther@suse.de>
1376 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1377 only if not flag_rounding_math.
1379 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1380 Kaz Kojima <kkojima@gcc.gnu.org>
1383 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1384 SImode memory reference for the source of a movua.
1385 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1386 (movua): Use an unspec instead of sign_extract. Expect the source
1387 to have mode BLKmode.
1388 (extv, insv): Use a BLKmode rather than SImode memory reference
1389 for the source of a movua.
1391 2006-10-22 Jeff Law <law@redhat.com>
1392 Richard Guenther <rguenther@suse.de>
1394 PR tree-optimization/15911
1395 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1396 (register_edge_assert_for_1): Likewise.
1397 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1398 (find_conditional_asserts): Adjust for new function signature.
1399 (find_assert_locations): Likewise.
1401 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1403 * config/i386/tmmintrin.h: Remove the duplicated content.
1405 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1407 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1408 (x86_64-*-*): Likewise.
1410 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1411 (override_options): Check SSSE3.
1412 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1413 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1414 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1415 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1416 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1417 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1418 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1419 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1420 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1421 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1422 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1423 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1424 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1425 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1426 IX86_BUILTIN_PABSD128.
1427 (bdesc_2arg): Add SSSE3.
1428 (bdesc_1arg): Likewise.
1429 (ix86_init_mmx_sse_builtins): Support SSSE3.
1430 (ix86_expand_builtin): Likewise.
1431 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1433 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1434 (UNSPEC_PSIGN): Likewise.
1435 (UNSPEC_PALIGNR): Likewise.
1436 Include mmx.md before sse.md.
1438 * config/i386/i386.opt: Add -mssse3.
1440 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1441 (ssse3_phaddwv4hi3): Likewise.
1442 (ssse3_phadddv4si3): Likewise.
1443 (ssse3_phadddv2si3): Likewise.
1444 (ssse3_phaddswv8hi3): Likewise.
1445 (ssse3_phaddswv4hi3): Likewise.
1446 (ssse3_phsubwv8hi3): Likewise.
1447 (ssse3_phsubwv4hi3): Likewise.
1448 (ssse3_phsubdv4si3): Likewise.
1449 (ssse3_phsubdv2si3): Likewise.
1450 (ssse3_phsubswv8hi3): Likewise.
1451 (ssse3_phsubswv4hi3): Likewise.
1452 (ssse3_pmaddubswv8hi3): Likewise.
1453 (ssse3_pmaddubswv4hi3): Likewise.
1454 (ssse3_pmulhrswv8hi3): Likewise.
1455 (ssse3_pmulhrswv4hi3): Likewise.
1456 (ssse3_pshufbv16qi3): Likewise.
1457 (ssse3_pshufbv8qi3): Likewise.
1458 (ssse3_psign<mode>3): Likewise.
1459 (ssse3_psign<mode>3): Likewise.
1460 (ssse3_palignrti): Likewise.
1461 (ssse3_palignrdi): Likewise.
1462 (abs<mode>2): Likewise.
1463 (abs<mode>2): Likewise.
1465 * config/i386/tmmintrin.h: New file.
1467 * doc/extend.texi: Document SSSE3 built-in functions.
1469 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1471 2006-10-22 Ira Rosen <irar@il.ibm.com>
1473 * tree-vect-transform.c (vectorizable_load): Use the type of the
1474 return value of the mask_for_load builtin to create realign_load
1477 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1479 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1482 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1484 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1485 (UNSPEC_LDDQU): This.
1486 * config/i386/sse.md (sse3_lddqu): Updated.
1488 2006-10-21 Richard Guenther <rguenther@suse.de>
1490 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1491 (expand_builtin): Use it to expand lrint instead of
1492 expand_builtin_mathfn.
1494 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1497 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1498 flag_unsafe_math_optimizations is set.
1500 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1503 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1504 patterns to use memory input operand in x87->mem->XMM
1505 reload sequences. Skip transformation for TARGET_K8.
1507 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1509 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1510 force operand1 to register if both operands are memory operands.
1511 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1512 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1513 if both operands are memory operands.
1514 (truncdfsf2): Do not force operand1 to register if both operands
1515 are memory operands.
1517 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1519 * Makefile.in (LIBS): Add $(GMPLIBS).
1520 * doc/install.texi: Update GMP and MPFR requirements.
1521 * doc/sourcebuild.texi (need_gmp): Delete.
1523 2006-10-21 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/3511
1526 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1527 got new invariant arguments during PHI translation.
1529 2006-10-21 Richard Guenther <rguenther@suse.de>
1532 * fold-const.c (fold_comparison): Fold signed comparisons
1533 of the form X +- C1 CMP Y +- C2.
1535 2006-10-21 Richard Guenther <rguenther@suse.de>
1538 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1539 if flag_unsafe_math_optimizations is specified. We have
1540 flag_finite_math_only for that.
1541 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1542 or flag_unsafe_math_optimizations.
1544 2006-10-21 Richard Guenther <rguenther@suse.de>
1546 * builtins.c (fold_builtin_classify): Fix typo.
1548 2006-10-21 Richard Guenther <rguenther@suse.de>
1551 * simplify-rtx.c (simplify_const_relational_operation):
1552 Do not constant-fold ORDERED and UNORDERED for
1553 flag_unsafe_math_optimizations but only we do not need to
1554 honor NaNs for the given mode.
1556 2006-10-21 Richard Guenther <rguenther@suse.de>
1559 * config/i386/i386.c (classify_argument): Remove redundant
1560 walking of the BINFOs.
1561 (contains_128bit_aligned_vector_p): Likewise.
1563 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1565 * BASE-VER: Set to 4.3.0.
1567 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1569 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1570 (tree_decl_with_vis): Remove artificial_pta_var flag.
1571 * tree-flow.h (referenced_var_check_and_insert): Expose.
1572 (nonlocal_all): New prototype.
1573 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1574 (nonlocal_all): Make global.
1575 (nonlocal_lookup): Remove.
1576 (nonlocal_insert): Ditto.
1577 (create_nonlocal_var): Do not call nonlocal_insert.
1578 (get_nonlocal_id_for_type): Remove.
1579 (find_global_initializers): Mark new vars we find for renaming.
1580 (intra_create_variable_infos): Only create one nonlocal.
1581 (expand_nonlocal_solutions): Remove.
1582 (compute_points_to_sets): Don't call it.
1583 (ipa_pta_execute): Ditto.
1584 (init_alias_heapvars): Don't create nonlocal_for_type.
1585 (delete_alias_heapvars): Don't remove it.
1586 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1589 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1591 * doc/install.texi (Downloading GCC): Clarify mention of
1592 Fortran in the "full distribution" description.
1594 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1596 Fix PR tree-optimization/28778
1597 Fix PR tree-optimization/29156
1598 Fix PR tree-optimization/29415
1599 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1600 (tree_decl_with_vis): Add artificial_pta_var flag.
1601 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1602 pushed into callers.
1603 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1604 (nonlocal_all): Ditto.
1605 (struct variable_info): Add directly_dereferenced member.
1606 (var_escaped_vars): New variable.
1607 (escaped_vars_tree): Ditto.
1608 (escaped_vars_id): Ditto.
1609 (nonlocal_vars_id): Ditto.
1610 (new_var_info): Set directly_dereferenced.
1611 (graph_size): New variable
1612 (build_constraint_graph): Use graph_size.
1613 (solve_graph): Don't process constraints that cannot change the
1614 solution, don't try to propagate an empty solution to our
1616 (process_constraint): Set directly_dereferenced.
1617 (could_have_pointers): New function.
1618 (get_constraint_for_component_ref): Don't process STRING_CST.
1619 (nonlocal_lookup): New function.
1620 (nonlocal_insert): Ditto.
1621 (create_nonlocal_var): Ditto.
1622 (get_nonlocal_id_for_type): Ditto.
1623 (get_constraint_for): Allow results vector to be empty in the case
1624 of string constants.
1625 Handle results of calls properly.
1626 (update_alias_info): Update alias info stats on number and type of
1628 (find_func_aliases): Use could_have_pointers.
1629 (make_constraint_from_escaped): Renamed from
1630 make_constraint_to_anything, and changed to make constraints from
1632 (make_constraint_to_escaped): New function.
1633 (find_global_initializers): Ditto.
1634 (create_variable_info_for): Make constraint from escaped to any
1635 global variable, and from any global variable to the set of
1637 (intra_create_variable_infos): Deal with escaped instead of
1638 pointing to anything.
1639 (set_uids_in_ptset): Do type pruning on directly dereferenced
1641 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1642 (init_base_vars): Fix comment, and initialize escaped_vars.
1643 (need_to_solve): Removed.
1644 (find_escape_constraints): New function.
1645 (expand_nonlocal_solutions): Ditto.
1646 (compute_points_to_sets): Call find_escape_constraints and
1647 expand_nonlocal_solutions.
1648 (delete_points_to_sets): Don't fall off the end of the graph.
1649 (init_alias_heapvars): Initialize nonlocal_for_type and
1651 (delete_alias_heapvars): Free nonlocal_for_type and null out
1654 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1656 * fold-const.c (add_double): Rename to add_double_with_sign.
1657 Add 'unsigned_p' parameter and take it into account for the overflow.
1658 (mul_double): Rename to mul_double_with_sign.
1659 Add 'unsigned_p' parameter and take it into account for the overflow.
1660 (fold_div_compare): Call add_double_with_sign instead of add_double
1661 and mul_double_with_sign instead of mul_double, passing them the
1662 unsignedness of the type.
1663 * tree.h (add_double): Macroize.
1664 (add_double_with_sign): New prototype.
1665 (mul_double): Macroize.
1666 (mul_double_with_sign): New prototype.
1668 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1670 * config/score/crti.asm: New file.
1671 * config/score/crtn.asm: New file.
1672 * config/score/elf.h: New file.
1673 * config/score/mac.md: New file.
1674 * config/score/misc.md: New file.
1675 * config/score/mul-div.S: New file.
1676 * config/score/predicates.md: New file.
1677 * config/score/score7.md: New file.
1678 * config/score/score.c: New file.
1679 * config/score/score-conv.h: New file.
1680 * config/score/score.h: New file.
1681 * config/score/score.md: New file.
1682 * config/score/score-mdaux.c: New file.
1683 * config/score/score-mdaux.h: New file.
1684 * config/score/score-modes.def: New file.
1685 * config/score/score.opt: New file.
1686 * config/score/score-protos.h: New file.
1687 * config/score/score-version.h: New file.
1688 * config/score/t-score-elf: New file.
1689 * config.gcc: Add score*-*-* configurations(Update before).
1690 * doc/invoke.texi (Score Options): New section.
1691 * doc/md.texi (Score family): New section to document constraints.
1693 2006-10-19 Nick Clifton <nickc@redhat.com>
1695 * config/arm/arm.c: Fix spelling typo.
1697 2006-10-18 Tom Tromey <tromey@redhat.com>
1699 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1701 2006-10-18 Jan Hubicka <jh@suse.cz>
1704 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1707 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1709 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1710 TSI_SAME_STMT, since that's the desired entity.
1712 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1714 * config/s390/contraints.md: New file.
1715 * config/s390/s390-protos.h (s390_mem_constraint,
1716 s390_O_constraint_str, s390_N_constraint_str,
1717 s390_float_const_zero_p): Function prototypes added.
1718 * config/s390/s390.c (s390_extra_constraint_str,
1719 s390_const_double_ok_for_constraint_p,
1720 s390_const_ok_for_constraint_p): Functions removed.
1721 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1722 s390_float_const_zero_p): New functions.
1723 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1724 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1725 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1726 Macro definitions removed.
1727 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1728 s390_extra_constraint_str): Functions removed.
1730 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1731 Richard Sandiford <richard@codesourcery.com>
1734 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1735 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1737 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1739 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1740 (DWARF2_FRAME_REG_OUT): Likewise.
1741 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1742 (DWARF2_FRAME_REG_OUT): Likewise.
1744 2006-10-17 Paul Brook <paul@codesourcery.com>
1746 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1748 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1750 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1751 Standardize on "GNU Fortran" as the official name of the Fortran
1754 2006-10-16 Mike Stump <mrs@apple.com>
1756 * doc/invoke.texi (Darwin Options): Document -mkernel.
1757 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1759 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1760 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1761 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1762 (OS_MISSING_ALTIVEC): Add.
1763 * config/i386/i386.c (override_options): Add
1764 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1765 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1766 -mkernel, -static or -mdynamic-no-pic is given.
1767 (C_COMMON_OVERRIDE_OPTIONS): Add.
1768 * config/darwin.opt (fapple-kext): Add.
1770 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1771 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1773 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1774 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1775 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1776 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1777 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1778 (flag_mkernel): Add.
1779 (flag_apple_kext): Add.
1780 (TARGET_KEXTABI): Add.
1781 * config/darwin.c (darwin_handle_kext_attribute): Add.
1782 (DARWIN_VTABLE_P): Add.
1783 (darwin_binds_local_p): Add partial support for rebinding vtables
1785 (darwin_kextabi_p): Add.
1786 (darwin_override_options): Add.
1787 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1788 (darwin_kextabi_p): Add.
1789 (darwin_override_options): Add.
1790 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1791 __DYNAMIC__ and __STATIC__ here.
1793 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1795 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1796 Added mention of "make pdf" target, and Texinfo requirements for
1799 2006-10-16 DJ Delorie <dj@redhat.com>
1801 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1802 into the GOT in case we need a subreg of the address.
1804 2006-10-16 Richard Guenther <rguenther@suse.de>
1807 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1808 SSE builtin documentation. Document SSE2 builtins.
1810 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1812 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1813 symbol in the output file for non-shared links when -nostdlib or
1814 -nodefaultlibs isn't specified.
1816 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1817 posix thread support.
1819 2006-10-15 Jan Hubicka <jh@suse.cz>
1822 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1823 declared always_inline even when not inlining.
1825 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1826 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1827 Andrew Pinski <pinskia@gmail.com>
1830 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1832 2006-10-15 Jan Hubicka <jh@suse.cz>
1833 Richard Guenther <rguenther@suse.de>
1836 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1837 process_function_and_variable_attributes on all variables, including
1838 those discovered during cgraph construction phase.
1840 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1842 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1844 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1846 * config/i386/athlon.md (athlon_fist): Add fisttp.
1848 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1849 Ian Lance Taylor <ian@airs.com>
1852 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1853 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1856 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1858 * config/score/score.c, config/score/score.h: Fix comment
1861 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1864 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1867 2006-10-13 Eric Christopher <echristo@apple.com>
1869 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1871 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1874 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1875 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1876 alignment supported by 32-bit ELF.
1878 2006-10-13 Eric Christopher <echristo@apple.com>
1880 * config/darwin.c (darwin_emit_unwind_label): Strip
1881 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1883 2006-10-13 Richard Guenther <rguenther@suse.de>
1885 PR tree-optimization/29446
1886 * tree-vrp.c (fix_equivalence_set): Remove.
1887 (extract_range_from_assert): Do not call fix_equivalence_set.
1888 (debug_value_range): Print a newline.
1889 (compare_name_with_value): For equivalence sets with
1890 inconsistent value ranges conservatively bail out.
1891 (compare_names): Likewise.
1893 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1895 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1896 and MPFR for gfortran.
1898 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1900 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1901 alignment supported by 32-bit ELF.
1903 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1907 * c-typeck.c (digest_init): Always allow initializing vectors
1908 that have static storage duration with compound literals.
1909 * tree.c (build_type_attribute_qual_variant): New, based on
1910 build_type_attribute_variant.
1911 (build_type_attribute_variant): Rewrite using the former.
1912 (make_vector_type): Use build_type_attribute_qual_variant to build
1913 type variants. Use type_hash_canon on the others.
1915 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1916 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1918 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1920 2006-10-12 Jan Hubicka <jh@suse.cz>
1923 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1924 current_function_decl is set but current_function_scope is not.
1926 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1928 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1929 emit_insn to emit eh_return_internal instruction.
1930 (eh_return_internal): Explicitly set pc.
1932 2006-10-11 Richard Guenther <rguenther@suse.de>
1934 PR tree-optimization/28230
1935 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1936 to the correct place.
1938 2006-10-11 Richard Guenther <rguenther@suse.de>
1941 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1944 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1946 * configure.ac: Added pdf to "Make-hooks"
1947 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1948 targets and *.pdf file patterns in cleanup targets.
1949 * configure: Regenerated.
1951 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1953 * config/avr/predicates.md: New file.
1954 * config/avr/avr.md: Include it.
1955 (REG_SP): New constant.
1956 (peepholes): Use predicates.
1957 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1958 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1959 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1961 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1963 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1966 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1969 * builtins.c (var_decl_component_p): New function.
1970 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1971 single entry optimization to variables and components thereof.
1973 2006-10-10 Richard Guenther <rguenther@suse.de>
1975 PR rtl-optimization/29323
1976 * except.c (set_nothrow_function_flags): For functions
1977 that do not bind local bail out early.
1979 2006-10-10 Ben Elliston <bje@au.ibm.com>
1981 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1984 2006-10-09 Richard Henderson <rth@redhat.com>
1986 Revert emutls patch.
1988 2006-10-09 Richard Guenther <rguenther@suse.de>
1991 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1994 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1997 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1998 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1999 * configure: Regenerate.
2000 * config.in: Regenerate.
2002 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2004 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2006 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2008 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2009 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2010 Remove stray newline.
2012 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2014 * config/mips/mips.c (mips_classify_symbol): Do not return
2015 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2016 (mips_in_small_data_p): Tweak comments.
2018 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2020 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2022 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2024 * gimplify.c, sched-int.h: Fix comment typos.
2026 * sched-int.h: Fix comment typos.
2028 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2030 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2032 * sched-ebb.c (begin_schedule_ready): Use them.
2033 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2034 add_to_speculative_block, create_check_block_twin, speculate_insn,
2035 fix_jump_move, move_block_after_check): Ditto.
2036 * sched-rgn.c (new_ready): Ditto.
2038 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2040 PR rtl-optimization/29128
2041 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2042 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2043 allow interblock movement of speculation checks.
2045 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2048 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2049 casted to integer type.
2050 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2051 if they are significantly more expensive than [reg + index] ones.
2053 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2055 PR tree-optimization/29330
2056 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2057 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2058 on newly allocated ddrs.
2059 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2060 to VEC (loop_p, heap) pointer.
2061 (compute_data_dependences_for_loop): Adjust caller.
2062 (free_dependence_relations): Free DDR_LOOP_NEST.
2064 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2065 free DEPENDENCE_RELATIONS and DATAREFS.
2068 * builtins.c (expand_builtin_sync_operation,
2069 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2070 Use convert_to_mode to handle promoted arguments.
2072 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2074 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2076 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2078 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2080 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2082 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2083 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2084 Use <modeconstraint> instead of "r" as operand 1 constraint.
2086 2006-10-06 Olivier Hainque <hainque@adacore.com>
2088 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2089 Don't recurse on the pointed-to type.
2090 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2091 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2092 types with components of variable size.
2094 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2096 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2098 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2100 PR tree-optimization/29290
2101 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2105 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2106 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2109 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2110 the number of vector elements fill the rest with zeros.
2112 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2114 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2115 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2118 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2120 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2121 unnamed pattern into subsi3. Use correct constraints/predicates.
2122 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2123 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2125 2006-10-05 Ira Rosen <irar@il.ibm.com>
2127 * doc/loop.texi: Add data references analysis description.
2129 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2131 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2133 2006-10-04 Richard Henderson <rth@redhat.com>
2134 Jakub Jelinek <jakub@redhat.com>
2136 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2137 * builtin-types.def (BT_WORD): Make unsigned.
2138 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2139 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2140 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2141 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2142 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2143 * cgraph.c (decide_is_variable_needed): Look at force_output.
2144 Recurse for emulated tls.
2145 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2146 checks redundant with decide_is_variable_needed.
2147 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2148 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2150 * expr.c (emutls_var_address): New.
2151 (expand_expr_real_1): Expand emulated tls.
2152 (expand_expr_addr_expr_1): Likewise.
2153 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2154 * output.h (emutls_finish): Declare.
2155 * toplev.c (compile_file): Call it.
2156 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2157 address before wrapping in CONST.
2158 * varasm.c (emutls_htab, emutls_object_type): New.
2159 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2160 (get_emutls_object_name, get_emutls_object_type): New.
2161 (get_emutls_init_templ_addr, emutls_decl): New.
2162 (emutls_common_1, emutls_finish): New.
2163 (assemble_variable): When emulating tls, swap decls; generate
2164 constructor for the emutls objects.
2165 (do_assemble_alias): When emulating tls, swap decl and target name.
2166 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2168 * emutls.c: New file.
2169 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2170 tls_object for real tls.
2172 2006-10-04 Zack Weinberg <zackw@panix.com>
2174 Fix bug in constraint-check generator, reported by Rask Ingemann
2176 * genpreds.c (add_constraint): Don't remove anything from the
2178 (write_tm_constrs_h): Detect whether "op" argument is used, and
2179 mark it ARG_UNUSED if it isn't.
2180 (write_insn_const_int_ok_for_constraint): Skip the part of the
2181 expression that would test whether "op" (which is not available
2182 here) is a CONST_INT.
2184 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2187 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2189 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2191 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2192 current Leopard versions.
2193 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2195 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2197 * doc/install.texi: Fix typos.
2199 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2201 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2202 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2203 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2205 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2207 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2208 arg to be struct mach_header_64* instead.
2210 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2213 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2214 side effects after the outer expression's post side effects.
2216 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2218 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2219 comments to reflect actual behavior and relationship between
2220 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2222 * doc/c-tree.texi (Working with declarations): Fix documentation
2223 of FIELD_DECL likewise.
2225 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2228 * doc/extend.texi: Add used variable attribute description.
2230 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2233 * c.opt (Woverride-init): New.
2234 * c-opts.c (c_common_post_options): Default warn_override_init to
2236 * c-typeck.c (add_pending_init, output_init_element): Warn for
2237 overriding initializers without side effects.
2238 * doc/invoke.texi (-Woverride-init): Document.
2241 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2243 PR rtl-optimization/28096
2244 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2245 assignment has already been used as a destination earlier in the block.
2247 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2249 * builtins.c (expand_builtin_setjmp): Delete.
2250 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2251 <BUILT_IN_SETJMP_SETUP>: New case.
2252 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2253 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2254 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2255 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2256 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2257 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2258 (lower_function_body): Initialize it to false. If it is set to true
2259 at the end of the processing, emit the setjmp dispatcher.
2260 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2261 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2262 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2263 on the rhs of the assignment.
2264 (lower_builtin_setjmp): New function.
2265 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2266 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2267 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2268 to detect calls that can go to non-local labels. Use specific
2269 helper to create the abnormal edges associated with them.
2270 <MODIFY_EXPR>: Likewise.
2271 (make_abnormal_goto_edges): New function extracted from...
2272 (make_goto_expr_edges): ...here. Call it for computed gotos.
2273 (simple_goto_p): Minor tweak.
2274 (tree_can_make_abnormal_goto): New predicate.
2275 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2276 (tree_purge_dead_abnormal_call_edges): New function.
2277 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2278 (tree_purge_dead_abnormal_call_edges): Likewise.
2279 (make_abnormal_goto_edges): Likewise.
2280 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2281 Purge all dead abnormal edges if the call was in the last statement.
2282 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2283 (execute_fixup_cfg): If there are non-local labels in the function,
2284 scan the basic blocks and split them at calls that can go to non-local
2285 labels or add missing abnormal call edges. Write down the CFG in the
2287 (pass_fixup_cfg): Remove TODO_dump_func flag.
2288 * unwind-sjlj.c: Poison setjmp.
2289 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2290 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2291 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2292 (DONT_USE_BUILTIN_SETJMP): Document it.
2294 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2297 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2298 to 1 when __ppc64__ is defined.
2299 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2301 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2303 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2305 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2306 * config/ia64/unwind-hpux.c: Delete.
2308 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2310 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2311 on the element before gimplifying it, instead of punting if it is of
2314 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2316 * doc/loop.texi: New file.
2317 * doc/gccint.texi: Reference loop.texi.
2318 * Makefile.in (loop.texi): Add.
2320 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2322 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2324 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2325 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2327 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2329 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2331 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2333 * doc/install.texi: Document required versions of GMP and MPFR.
2335 2006-09-27 Paul Brook <paul@codesourcery.com>
2338 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2340 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2342 * reload1.c (alter_reg): Require the alignment of the stack slot to
2343 be at least reg_max_ref_width bytes.
2344 (scan_paradoxical_subregs): Record the largest width in
2347 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2351 * tree-nested.c (struct nesting_info): Added static_chain_added.
2352 (convert_call_expr): Set static_chain_added when adding static
2353 chain. Handle OMP_PARALLEL and OMP_SECTION.
2355 2006-09-25 Matthias Klose <doko@debian.org>
2357 * doc/invoke.texi: Add missing full stop.
2359 2006-09-25 Richard Henderson <rth@redhat.com>
2361 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2362 before cgraph_function_flags_ready.
2364 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2365 Adam Nemet <anemet@caviumnetworks.com>
2367 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2368 determine_common_wider_type): New functions.
2369 (get_computation_aff): Use them to simplify arithmetic between
2370 UBASE and CBASE if they are shortened from the same type.
2372 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2375 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2376 -2147483647 - 1 instead of 0x80000000.
2378 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2380 * flags.h (HONOR_NANS): Fix typo in comment.
2382 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2384 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2386 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2390 * tree.c (merge_attributes, attribute_list_contained): If both
2391 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2393 * c-typeck.c (comptypes_internal): Don't consider aggregates
2394 in different TUs as compatible if there one set of attributes is
2395 not a subset of the other type's attributes.
2396 (composite_type): Try harder not to create a new aggregate type.
2398 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2400 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2401 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2402 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2403 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2404 than replicating condition above.
2405 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2407 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2408 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2409 the linker by default.
2411 2006-09-22 Mike Stump <mrs@apple.com>
2413 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2416 2006-09-22 Richard Guenther <rguenther@suse.de>
2419 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2420 sort of stack variables stable.
2422 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2425 * explow.c (force_reg): Set REG_POINTER flag according to
2428 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2430 PR tree-optimization/28888
2431 * tree-if-conv.c (combine_blocks): Rewritten.
2432 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2433 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2435 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2437 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2440 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2442 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2444 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2446 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2448 2006-09-21 Roger Sayle <roger@eyesopen.com>
2451 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2452 dw_fde_current_label, to be the start of the function, i.e. the same
2453 value as dw_fde_begin.
2455 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2457 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2458 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2459 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2460 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2461 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2462 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2463 (abs<mode>2, neg<mode>2): Likewise.
2464 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2465 (*mips_abs_ps): New define_insn.
2467 2006-09-20 Josh Conner <jconner@apple.com>
2470 * calls.c (expand_call): Allow reuse of structure return stack
2473 2006-09-20 Paul Brook <paul@codesourcery.com>
2475 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2478 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2480 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2481 clean up terminology.
2483 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2486 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2487 with tablejumps in them.
2489 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2492 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2493 wrap it into TARGET_EXPR.
2495 2006-09-20 Eric Christopher <echristo@apple.com>
2497 * config/i386/i386.c (x86_fisttp): Remove.
2498 * config/i386/i386.h (x86_fisttp): Ditto.
2499 (TARGET_FISTTP): Ditto.
2501 2006-09-19 Eric Christopher <echristo@apple.com>
2503 * doc/tm.texi (OBJC_JBLEN): Describe.
2504 * config/i386/darwin.h (OBJC_JBLEN): Define.
2505 * config/rs6000/darwin.h: Ditto.
2507 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2509 PR rtl-optimization/21299
2510 * reload1.c (reload): Purge invalid ASMs in the final pass.
2512 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2515 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2516 pointers as legitimate constants.
2518 2006-09-19 Paul Brook <paul@codesourcery.com>
2521 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2523 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2525 PR tree-optimization/28887
2526 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2527 component parts from the reference.
2528 (gather_memory_references_ref): Record the reference without the
2529 nonaddressable component parts.
2531 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2534 * c-opts.c (c_common_handle_option): Ignore the -std options
2535 if the input language is assembly.
2537 2006-09-17 Ira Rosen <irar@il.ibm.com>
2540 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2542 (ptr_ptr_may_alias_p): Likewise.
2543 (record_record_differ_p): New function.
2544 (base_object_differ_p): Call record_record_differ_p.
2546 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2549 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2550 away for the expr argument.
2552 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2555 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2556 before using it for dumping after vectorizing loops.
2558 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2559 Jack Howarth <howarth@bromo.med.uc.edu>
2562 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2563 skip on error_mark_node.
2564 (rs6000_darwin64_record_arg_recurse): Likewise.
2566 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2568 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2569 * doc/rtl.texi: Remove related documentation.
2571 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2573 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2576 2006-09-15 Jim Wilson <wilson@specifix.com>
2578 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2579 Handle symbol offsets same as they are handled in ia64_expand_move
2582 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2584 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2585 Add forgotten parameter to the fprintf call.
2587 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2589 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2591 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2593 * doc/contrib.texi: Add my entry.
2595 2006-09-15 Nick Clifton <nickc@redhat.com>
2597 * doc/md.texi (Processor pipeline description): Fix typo in
2598 example of how to use the absence_set directive and reword the
2599 description to make it slightly easier to read.
2601 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2603 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2604 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2605 expanding the number of iterations.
2606 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2608 * cfgrtl.c (emit_insn_at_entry): New function.
2609 * rtl.h (emit_insn_at_entry): Declare it.
2610 * integrate.c (emit_initial_value_sets): Use it.
2612 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2614 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2616 (struct loop_work and related VEC declarations): Delete.
2617 (bfin_dump_loops): Print out new member bad.
2618 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2619 (bfin_scan_loop): Don't recurse.
2620 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2621 loops. No longer need to update outer loops if the current one is
2622 found bad. Move some validitiy checks to bfin_discover_loop.
2623 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2624 but changed not to check for nesting. Also changed to use the new bad
2626 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2627 time. Use bitmap based test to discover loop nesting.
2629 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2631 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2634 2006-09-14 Richard Guenther <rguenther@suse.de>
2635 Kazu Hirata <kazu@codesourcery.com>
2637 PR middle-end/28884.
2638 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2639 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2640 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2641 with TARGET_FUNCTION_VALUE.
2643 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2646 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2648 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2650 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2653 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2656 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2659 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2661 * basic_block.h (bb_has_eh_pred): Fix comment.
2663 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2665 * flow.c (calculate_global_regs_live): Invalidate eh registers
2666 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2667 (propagate_block): Handle eh registers as if they were set at basic
2669 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2671 * global.c (global_conflicts): Make eh registers to conflict with
2672 pseudos live at basic block begin.
2673 * basic_block.h (bb_has_eh_pred): New function.
2675 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2677 PR rtl-optimization/28982
2678 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2679 index of a PRE_MODIFY or POST_MODIFY address.
2680 * reload1.c (inc_for_reload): Use find_replacement on the original
2681 base and index registers.
2683 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2685 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2686 for -Os. Update __m128 alignment requirement.
2688 2006-09-13 Jan Hubicka <jh@suse.cz>
2690 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2692 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2694 PR rtl-optimization/28243
2695 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2696 the insn to which the note was originally attached.
2698 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2699 Roger Sayle <roger@eyesopen.com>
2701 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2702 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2703 on platforms that don't use dwarf for debug info.
2705 2006-09-12 Jason Merrill <jason@redhat.com>
2708 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2709 hard_frame_pointer_rtx after using it to update the frame pointer.
2711 2006-09-12 Roger Sayle <roger@eyesopen.com>
2713 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2714 (TARGET_ASM_CLOSE_PAREN): Likewise.
2715 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2716 (TARGET_ASM_CLOSE_PAREN): Likewise.
2718 2006-09-12 Roger Sayle <roger@eyesopen.com>
2721 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2722 frame information for frames larger than 512 Kbytes on Tru64 when
2723 using the native assembler.
2725 2006-09-12 Roger Sayle <roger@eyesopen.com>
2729 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2730 and symbols. Instead use the implementation from cse.c's hash_rtx.
2732 2006-09-12 Jan Hubicka <jh@suse.cz>
2734 PR rtl-optimization/28071
2735 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2736 (vect_transform_loop): Likewise.
2737 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2738 (new_loop_vec_info): Likewise.
2739 (destroy_loop_vec_info): Likewise.
2740 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2741 (create_stmt_ann): Likewise.
2742 (create_tree_ann): Rename to ...
2743 (create_tree_common_ann): ... this one; allocate only the common part
2745 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2746 (get_value_handle): Likewise.
2747 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2748 get_tree_common_ann.
2749 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2750 (vinfo_for_stmt): Use stmt annotations.
2751 * tree-flow.h (tree_ann_common_t): New type.
2752 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2753 (tree_ann, get_tree_ann, create_tree_ann): New.
2754 * tree-flow-inline.h (get_function_ann): Do more type checking.
2755 (stmt_ann): Likewise.
2756 (tree_ann): Rename to ...
2757 (tree_common_ann): ... this one; return ony common_ann
2758 (get_tree_ann): Rename to ...
2759 (tree_common_ann): This one; return only common_ann.
2760 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2763 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2765 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2766 with_cpu by default.
2768 * dwarf2out.c (dwarf_file_data): New.
2769 (enum dw_val_class): Add dw_val_class_file.
2770 (struct dw_val_struct): Add val_file.
2771 (file_table): Change to a hash table.
2772 (file_table_emitted): Delete.
2773 (file_table_last_lookup_index): Delete.
2774 (emitcount): Delete.
2775 (last_emitted_file): New.
2776 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2777 (init_file_table): Delete.
2778 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2779 (AT_addr): Add comment.
2783 (print_die): Handle dw_val_class_file.
2784 (print_dwarf_line_table): Update for new file table structure.
2785 (attr_checksum): Do checksum a filename.
2786 (same_dw_val_p, same_attr_p): Do compare a filename.
2787 (size_of_die): Handle dw_val_class_file.
2788 (value_format): Likewise.
2789 (output_die): Likewise. Also, call maybe_emit_file here.
2790 (struct file_info): Constify filenames. Make file_idx a pointer
2791 to a struct dwarf_file_data.
2792 (struct dir_info): Constify directory names. Remove 'used' field.
2793 (struct file_name_acquire_data): New.
2794 (file_name_acquire): New.
2795 (output_file_names): Modify to handle new file data structures.
2796 (add_src_coords_attributes): Use add_AT_file.
2797 (add_call_src_coords_attributes): Likewise.
2798 (dwarf2out_imported_module_or_decl): Likewise.
2799 (gen_subprogram_die): Modify for new file data structures.
2800 (gen_variable_die): Likewise.
2801 (file_table_eq): New.
2802 (file_table_hash): New.
2803 (file_table_last_lookup): New.
2804 (lookup_filename): Rewrite to handle new file data structures.
2805 (maybe_emit_file): Rewrite to handle new file data structures.
2806 (dwarf2out_source_line): Always call lookup_filename and
2808 (dwarf2out_init): Create file_table here.
2809 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2810 (file_table_relative_p): New.
2811 (dwarf2out_finish): Change detection of relative filenames
2812 to work with new file data structures. Move output_line_info call
2813 after debug_info output.
2815 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2820 * config/i386/i386.c (override_options): Always default to 16
2821 byte stack boundary.
2823 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2826 * var-tracking.c (dump_dataflow_set): Start dumping at
2828 (clobber_variable_part): Kill only the variable part in
2829 registers holding it, leaving other variables alone.
2831 2006-09-11 Josh Triplett <josh@freedesktop.org>
2833 * doc/extend.texi (Other Builtins): Actually use the macro
2834 argument in the documentation example for
2835 __builtin_types_compatible_p.
2837 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2839 PR rtl-optimization/28726
2840 * sched-deps.c (sched_analyze_reg): New function extracted from...
2841 (sched_analyze_1): ...here. Call it to analyze references to
2842 registers. Treat again writes to a stack register as writing to the
2844 (sched_analyze_2): ...and here. Call it to analyze references to
2845 registers. Treat again reads of a stack register as reading the
2848 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2849 David Edelsohn <edelsohn@gnu.org>
2852 * config/rs6000/spe.md (frob_df_di): Remove %H.
2853 (frob_di_df): Remove %H. Change evmergelo to mr.
2854 (frob_di_df_2): Remove %H. Change evldd to two loads.
2856 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2858 * doc/cpp.texi: Fix names of charset options.
2860 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2863 * config/i386/i386.c (override_options): Use 128-bit
2864 stack boundary always for 64bits.
2866 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2868 PR rtl-optimization/28636
2869 * combine.c (force_to_mode): Test for side-effects before
2870 substituting by zero.
2871 (simplify_shift_const): Likewise for zero or other constants.
2873 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2876 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2879 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2882 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2883 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2884 returned by mode_for_size, rather than the mode of src itself,
2885 to choose between 32-bit and 64-bit patterns.
2886 (mips_mem_fits_mode_p): New function.
2887 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2888 that the size of the source matches the size of the destination.
2889 (mov_<store>l, mov_<store>r): Likewise.
2891 2006-09-10 Eric Christopher <echristo@apple.com>
2893 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2896 2006-09-09 Eric Christopher <echristo@apple.com>
2899 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2902 2006-09-09 Roger Sayle <roger@eyesopen.com>
2903 Nicolas Setton <setton@adacore.com>
2905 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2907 2006-09-10 Andreas Schwab <schwab@suse.de>
2909 * config/m68k/m68k.md (bungt_rev): New pattern.
2911 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2912 Dale Johannesen <dalej@apple.com>
2915 * regclass.c (struct reg_pref): Update documentation.
2916 (regclass): Set prefclass to NO_REGS if memory is the best option.
2917 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2919 2006-09-08 Eric Christopher <echristo@apple.com>
2921 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2922 * config/t-slibgcc-darwin: Support x86_64 multilib.
2923 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2924 Return 1 for x86_64-darwin.
2925 * config/i386/t-darwin: Add m64 multilib.
2926 (LIB2_SIDITI_CONV_FUNCS): Use.
2927 (LIB2FUNCS_EXTRA): Ditto.
2928 * config/i386/darwin.h: Support x86_64.
2929 * config/i386/i386.c (override_options): Turn on flag_pic
2930 for x86_64-darwin. Disable flag_omit_pointer.
2931 (get_pc_thunk_name): Assert !TARGET_64BIT.
2932 (legitimate_address_p): Disable machopic addressing for
2934 (legitimize_pic_address): Ditto.
2935 (ix86_expand_move): Ditto.
2936 (ix86_expand_call): Ditto.
2937 (machopic_output_stub): Ditto.
2938 * config/darwin.c (machopic_select_section): Support literal16.
2939 (machopic_select_rtx_section): Ditto.
2940 * config/darwin-sections.def: Ditto.
2941 * config/darwin-64.c: New.
2943 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2946 * c-tree.h (struct c_arg_info): Add pending_sizes.
2947 * c-parser.c (c_parser_parms_declarator,
2948 c_parser_parms_list_declarator): Initialize pending_sizes.
2949 * c-decl.c (get_parm_info): Initialize pending_sizes.
2950 (get_parm_info): Set pending_sizes.
2951 (grokdeclarator): Call put_pending_sizes for parameters for
2952 function definition only.
2954 2006-09-07 Jason Merrill <jason@redhat.com>
2957 * varasm.c (output_constant): Only strip actual no-op conversions.
2960 * config/i386/i386.c (override_options): Use 128-bit
2961 stack boundary if -msse.
2963 2006-09-07 Eric Christopher <echristo@apple.com>
2965 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2967 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2970 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2972 * dwarf2out.c: Remove strange characters from comment above
2973 dwarf2out_frame_debug_expr.
2975 2006-09-07 Eric Christopher <echristo@apple.com>
2977 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2978 * config/darwin.h: ... to here.
2980 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2982 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2984 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2985 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2987 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2988 TARGET_PARTIAL_FLAG_REG_STALL.
2989 (*ashldi3_cconly_rex64): Likewise.
2990 (*ashlsi3_cmp): Likewise.
2991 (*ashlsi3_cconly): Likewise.
2992 (*ashlsi3_cmp_zext): Likewise.
2993 (*ashlhi3_cmp): Likewise.
2994 (*ashlhi3_cconly): Likewise.
2995 (*ashlqi3_cmp): Likewise.
2996 (*ashlqi3_cconly): Likewise.
2997 (*ashrdi3_cmp_rex64): Likewise.
2998 (*ashrdi3_cconly_rex64): Likewise.
2999 (*ashrsi3_cmp): Likewise.
3000 (*ashrsi3_cconly): Likewise.
3001 (*ashrsi3_cmp_zext): Likewise.
3002 (*ashrhi3_cmp): Likewise.
3003 (*ashrhi3_cconly): Likewise.
3004 (*ashrqi3_cmp): Likewise.
3005 (*ashrqi3_cconly): Likewise.
3006 (*lshrdi3_cmp_rex64): Likewise.
3007 (*lshrdi3_cconly_rex64): Likewise.
3008 (*lshrsi3_cmp): Likewise.
3009 (*lshrsi3_cconly): Likewise.
3010 (*lshrsi3_cmp_zext): Likewise.
3011 (*lshrhi3_cmp): Likewise.
3012 (*lshrhi3_cconly): Likewise.
3013 (*lshrqi2_cmp): Likewise.
3014 (*lshrqi2_cconly): Likewise.
3016 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3019 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3020 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3021 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3022 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3023 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3024 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3025 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3026 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3027 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3028 implement only CC setting effects of shift instructions.
3030 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3032 * doc/contrib.texi: Add myself.
3034 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3037 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3038 was set by the user.
3040 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3043 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3044 (divsi_inv_m1): Use them.
3045 (UNSPEC_DIV_INV_TABLE): New constant.
3047 2006-09-06 James E Wilson <wilson@specifix.com>
3050 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3051 then call count_or_remove_death_notes.
3053 2006-09-06 Jason Merrill <jason@redhat.com>
3056 * tree-inline.c (copy_result_decl_to_var): New fn.
3057 (declare_return_variable): Use it. Call declare_inline_vars here.
3058 (expand_call_inline): Not here.
3060 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3062 * doc/contrib.texi: Update my entry.
3064 2006-09-06 Nick Clifton <nickc@redhat.com>
3066 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3068 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3071 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3072 (canonicalize_induction_variables): Likewise.
3073 (tree_unroll_loops_completely): Likewise.
3074 (tree_ssa_prefetch_arrays): Likewise.
3075 (remove_empty_loops): Likewise.
3076 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3077 TODO_cleanup_cfg instead of directly calling
3078 cleanup_tree_cfg_loop.
3079 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3081 (tree_unroll_loops_completely): Likewise.
3082 (remove_empty_loops): Likewise.
3083 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3084 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3085 of tree_ssa_unswitch_loops.
3086 (tree_ssa_loop_ivcanon): Use the return value of
3087 canonicalize_induction_variables.
3088 (tree_ssa_empty_loop): Use the return value of
3090 (tree_complete_unroll): Use the return value of
3091 tree_unroll_loops_completely.
3092 (tree_ssa_loop_prefetch): Use the return value of
3093 tree_ssa_prefetch_arrays.
3094 * passes.c (execute_todo): Before Cleanup CFG, set
3095 updating_used_alone and after cleanup CFG, call
3096 recalculate_used_alone.
3098 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3101 * tree-vect-transform.c (vectorizable_condition): Move the check
3102 for the type after the check for simple condition.
3104 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3105 Kaz Kojima <kkojima@gcc.gnu.org>
3108 * mode-switching.c (optimize_mode_switching): Make the destination
3109 block of an abnormal edge have no anticipatable mode. Don't
3110 insert mode switching code at the end of the source block of
3113 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3115 PR rtl-optimization/26847
3116 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3117 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3118 (simplify_plus_minus): Count n_constants while filling ops. Replace
3119 qsort with insertion sort. Before going through the array to simplify
3120 pairs, sort it. Delay early exit until after the first sort, exiting
3121 only if no swaps occurred. Simplify pairs in reversed order, without
3122 special-casing the first iteration. Pack ops after simplifying pairs.
3124 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3126 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3127 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3128 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3129 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3131 2006-09-05 Richard Guenther <rguenther@suse.de>
3133 PR tree-optimization/28900
3134 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3135 compound conditional before creating COND_EXPR condition.
3137 2006-09-05 Richard Guenther <rguenther@suse.de>
3139 PR tree-optimization/28905
3140 * tree-vrp.c (fix_equivalence_set): Manually implement
3141 !value_ranges_intersect_p to also handle symbolic ranges.
3143 2006-09-05 Richard Guenther <rguenther@suse.de>
3146 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3149 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3151 PR rtl-optimization/27616
3152 * cse.c (table_size): New static variable.
3153 (new_basic_block): Initialize it to 0.
3154 (remove_from_table): Decrement it.
3155 (insert): Increment it.
3156 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3157 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3158 fold_rtx_mem_1 if under the cap.
3159 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3160 the lookup of the equivalent expression and test for equality of the
3161 first operand of the equivalent expression before in turn looking up
3162 an equivalent constant for the second operand.
3164 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3167 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3168 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3169 pointer, instead of assuming it is possible to derive the
3170 correct args size from a call insn.
3172 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3175 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3176 (fold_builtin_mempcpy): Rename to...
3177 (fold_builtin_memory_op): ... this. Optimize one element copy
3179 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3181 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3182 (expand_builtin_memcpy, expand_builtin_mempcpy,
3183 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3184 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3185 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3186 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3188 2006-09-01 DJ Delorie <dj@redhat.com>
3190 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3191 (stzx_16): Likewise.
3192 ("stzx_24_<mode>"): Likewise.
3193 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3194 ("cmp<mode>_op"): New.
3195 (cmp<mode>): Change to expander; just save operands.
3197 (b<code>): Change to expander, emit compare here.
3198 (s<code>_op): Change to use split and expander.
3199 (s<code>_24_op): Likewise.
3200 (s<code>_<mode>): New.
3201 (s<code>_<mode>_24): New.
3202 (movqicc_<code>_<mode): New.
3203 (movhicc_<code>_<mode>): New.
3206 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3207 (m32c_pend_compare): New.
3208 (m32c_unpend_compare): New.
3209 (m32c_expand_scc): New.
3210 (m32c_expand_movcc): Emit the compare also.
3211 * config/m32c/predicates.md (mra_nopp_operand): New.
3213 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3214 Richard Guenther <rguenther@suse.de>
3215 Adam Nemet <anemet@caviumnetworks.com>
3218 * builtins.c (get_pointer_alignment): Handle more forms
3219 of base addresses that can be used to derive more precise
3220 information about alignment.
3222 2006-09-01 Jason Merrill <jason@redhat.com>
3225 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3228 * gimplify.c (voidify_wrapper_expr): Handle null type.
3230 2006-09-01 Josh Conner <jconner@apple.com>
3233 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3234 (execute_return_slot_opt): Use it.
3236 2006-08-31 Josh Conner <jconner@apple.com>
3239 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3240 returning aggregates.
3242 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3244 PR tree-optimization/28839
3245 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3246 blocks in that phi arguments appear.
3248 2006-08-31 Roger Sayle <roger@eyesopen.com>
3251 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3252 NULL, otherwise use an advance_loc4 to adjust relative to the
3254 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3255 (dwarf2out_switch_text_section): Reset the current label to avoid
3256 using advance_loc4 over section boundaries.
3258 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3261 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3262 r12 + SYMBOLIC_CONST.
3264 2006-08-30 Richard Guenther <rguenther@suse.de>
3266 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3268 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3270 PR rtl-optimization/27735
3271 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3272 Add new argument to keep track of whether an irreducible region
3273 was affected. All callers changed.
3274 (fix_irreducible_loops): Removed.
3275 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3276 flags were invalidated.
3278 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3280 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3281 instead of SF operands.
3282 (*fop_df_comm_sse): Likewise.
3283 (*fop_df_comm_i387): Likewise.
3284 (*fop_df_1_mixed): Likewise.
3285 (*fop_df_1_sse): Likewise.
3287 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3288 J"orn Rennecke <joern.rennecke@st.com>
3290 PR tree-optimization/17506
3291 * tree-ssa.c (warn_uninit): If warning about a location outside of
3292 the current function, note where the variable was declared.
3294 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3296 PR tree-optimization/28411
3297 * double-int.c (double_int_div): Use double_int_divmod.
3298 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3299 double_int_mod, double_int_smod, double_int_umod): New functions.
3300 * double-int.h (double_int_divmod, double_int_sdivmod,
3301 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3303 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3305 (get_computation_aff, get_computation_cost_at): Handle double_int
3306 return type of constant_multiple_of.
3308 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3311 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3312 an implicit conversion.
3314 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3316 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3318 2006-08-27 Roger Sayle <roger@eyesopen.com>
3320 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3323 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3325 * config/i386/crtfastmath.c: Fix a comment typo.
3327 2006-08-26 Roger Sayle <roger@eyesopen.com>
3329 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3330 temporary visit flags on CASE_LABEL_EXPRs.
3331 * c-common.c (match_case_to_enum): Add function comment. Avoid
3332 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3333 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3334 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3335 a constant, only warn if that constant value isn't handled.
3337 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3340 * input.h (restore_input_file_stack): Declare.
3341 (INPUT_FILE_STACK_BITS): Define.
3342 * toplev.c (fs_p, input_file_stack_history,
3343 input_file_stack_restored, restore_input_file_stack): New.
3344 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3345 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3346 (pop_srcloc): Don't free old state of stack.
3348 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3351 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3352 (PowerPC Type Attributes): New.
3354 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3356 * config/xtensa/xtensa.c (function_arg_boundary): New.
3357 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3359 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3360 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3362 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3365 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3368 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3370 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3371 (verify_local_live_at_start): Likewise.
3373 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3376 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3377 omp_add_variable): Treat sizes as variable whenever not
3380 2006-08-26 Richard Guenther <rguenther@suse.de>
3383 * fold-const.c (fold_binary): Fold temporary to correct
3384 type before constructing new comparison.
3386 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3389 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3390 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3392 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3395 * c-decl.c (start_function): Don't try to process prototype
3396 information from old declaration that isn't a function.
3398 2006-08-25 Jan Hubicka <jh@suse.cz>
3401 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3403 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3406 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3409 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3411 PR tree-optimization/16876
3412 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3413 exit if PARM doesn't match VALUE.
3415 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3417 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3418 literal_prefix directive.
3419 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3420 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3421 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3423 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3426 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3427 predicate to general_operand. Add 0->y and I->r alternatives.
3429 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3431 * doc/tm.texi: Fix a typo.
3432 * predict.c: Fix comment typos.
3434 2006-08-25 Nick Clifton <nickc@redhat.com>
3436 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3437 assertions of "cpu" and "machine".
3439 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3442 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3443 the access through a base which has an alias set of 0 cannot
3446 2006-08-24 Bill Wendling <wendling@apple.com>
3448 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3450 2006-08-24 Jan Hubicka <jh@suse.cz>
3452 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3454 2006-08-24 Jan Hubicka <jh@suse.cz>
3457 * cgraph.c: Fix comments.
3458 (cgraph_varpool_mark_needed_node): Mark only variables not already
3460 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3461 (cgraph_varpool_assembled_nodes_queue): New static variable.
3462 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3463 (cgraph_varpool_output_debug_info): New function.
3464 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3465 * Makefile.in: Add gt-cgraphunit.h
3467 2006-08-24 Jan Hubicka <jh@suse.cz>
3469 * predict.c (probability_reliable_p): New predicate.
3470 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3471 (predict_loops): Do not predict loop exit with less than 2%
3473 * basic-block.h (edge_probability_reliable_p,
3474 br_prob_note_reliable_p): Declare.
3475 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3476 prediction when static predictor is not reliable.
3477 * rs6000.c (output_cbranch): Likewise.
3479 2006-08-23 Stuart Hastings <stuart@apple.com>
3482 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3483 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3485 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3488 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3489 complex values, nor for generic vector values.
3491 2006-08-22 Richard Guenther <rguenther@suse.de>
3494 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3495 parameter. Convert arguments to arithmetic expression to the
3497 (analyze_scalar_evolution_1): Adjust caller.
3499 2006-08-22 Jan Hubicka <jh@suse.cz>
3501 Patch by Paolo Bonzini
3502 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3505 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3507 PR tree-optimization/28003
3508 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3509 before grouping aliases.
3511 2006-08-22 Roger Sayle <roger@eyesopen.com>
3513 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3514 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3516 2006-08-21 Jason Merrill <jason@redhat.com>
3519 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3520 wrapper. Loop to handle nested wrappers.
3521 (gimplify_bind_expr): Remove temp parameter.
3522 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3523 and STATEMENT_LIST on the rhs.
3524 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3525 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3526 (gimplify_target_expr): Remove special BIND_EXPR handling.
3528 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3530 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3533 2006-08-21 Olivier Hainque <hainque@adacore.com>
3535 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3536 Arrange for the temporary captures of components overlapping the lhs
3537 to happen before the lhs is possibly cleared.
3539 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3541 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3542 necessary places to pass the correct "number of registers" values
3545 2006-08-20 Jan Hubicka <jh@suse.cz>
3547 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3548 (create_name_tags): Instead of quadratic checking use hashtable.
3549 * bitmap.h: Include hashtab.h.
3550 (bitmap_hash): Declare.
3551 * bitmap.c (bitmap_hash): New function.
3553 2006-08-20 Jan Hubicka <jh@suse.cz>
3555 PR rtl-optimization/28071
3556 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3558 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3559 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3560 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3561 cgraph_decide_inlining_incrementally): Update use of
3562 cgraph_check_inline_limits.
3563 * cgraph.c (edge_hash, edge_eq): New function.
3564 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3565 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3566 cgraph_remove_node): Maintain call site hash.
3567 * cgraph.h (struct cgraph_node): Add call_site_hash.
3568 (cgraph_set_call_stmt): New function.
3570 2006-08-20 Jan Hubicka <jh@suse.cz>
3572 PR rtl-optimization/28071
3573 * reload1.c (reg_has_output_reload): Turn into regset.
3574 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3575 choose_reload_regs, emit_reload_insns): Update to new
3576 reg_has_output_reload.
3578 2006-08-20 Jan Hubicka <jh@suse.cz>
3581 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3582 function body sizes.
3583 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3585 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3588 * tree.c (handle_dll_attribute): Return early if not a
3589 var or function decl.
3591 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3594 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3595 alignment of SPE vector types.
3597 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3599 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3601 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3604 * cgraph.h (struct cgraph_node): Remove externally_visible
3606 * cgraphunit.c (process_function_and_variable_attributes): Set
3607 local.externally_visible rather than externally_visible.
3610 * c-common.c (handle_externally_visible_attribute): First look
3611 at TREE_CODE and only if it is function or var decl, check for
3612 non-public objects. Don't warn for DECL_EXTERNAL.
3613 * cgraphunit.c (process_function_and_variable_attributes): Warn
3614 if externally_visible attribute is used on non-public object.
3616 2006-08-17 Jan Hubicka <jh@suse.cz>
3618 PR tree-optimization/27865
3619 * reload1.c (forget_marked_reloads): New function.
3620 (forget_old_reloads_1): When data are passed, just mark the registers
3622 (reload_as_needed): Use the new mechanizm.
3624 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3627 * reload.h (reg_equiv_alt_mem_list): New declaration.
3628 * reload1.c (reg_equiv_alt_mem_list): New definition.
3629 (reload): Initialize it and release it.
3630 (delete_output_reload): Use it.
3631 * reload.c (push_reg_equiv_alt_mem): New function.
3632 (find_reloads_toplev): Call it.
3633 (find_reloads_address, find_reloads_address_1): Likewise.
3634 (find_reloads_subreg_address): Likewise.
3636 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3638 PR rtl-optimization/28489
3639 * sched-ebb.c (begin_schedule_ready): Create basic block
3641 (advance_target_bb): Skip empty blocks.
3642 * haifa-sched.c (bb_note): Make global.
3643 * sched-int.h (bb_note): Add prototype.
3645 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3647 PR tree-optimization/27865
3648 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3650 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3651 fold_used_pointer, pointer_used_p): New functions.
3652 (analyze_scalar_evolution_1): Use fold_used_pointer.
3653 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3654 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3657 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3660 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3661 or the INTEGER_CST. Fail on a CALL_EXPR.
3662 (fold_offsetof): Pass new argument to fold_offsetof_1.
3663 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3664 operand into an INDIRECT_REF.
3665 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3667 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3669 PR gcov/profile/26570
3670 * value-prof.c (static_values): Removed.
3671 (tree_find_values_to_profile): Do not set static_values.
3672 (find_values_to_profile): Do not free static_values.
3673 * profile.c (instrument_values): Do not free the values.
3674 (branch_prob): Free the values.
3676 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3678 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3680 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3683 * c-typeck.c (build_component_ref): Combine qualifiers of
3684 structure or union and field.
3686 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3688 PR rtl-optimization/28071
3689 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3690 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3691 * tree-into-ssa.c (struct dom_dfsnum): New.
3692 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3694 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3695 compute_global_livein.
3696 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3697 in phi nodes in the correct blocks.
3699 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3701 PR tree-optimization/28364
3702 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3704 (fold_affine_expr): New function.
3705 (may_eliminate_iv): Use fold_affine_expr.
3707 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3710 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3713 2006-08-16 Mike Stump <mrs@apple.com>
3715 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3716 * doc/cppopts.texi (-MD): Likewise.
3718 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3721 * c-common.c (handle_weak_attribute): Ignore and warn if
3722 not a FUNCTION_ or VAR_DECL.
3724 2006-07-15 Mike Stump <mrs@apple.com>
3727 * c-parser.c (c_parser_typeof_specifier): Don't use
3728 c_finish_expr_stmt, open code desired semantics instead.
3730 2006-08-15 Nick Clifton <nickc@redhat.com>
3732 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3733 fragment to tmake_file only if threads are enabled.
3734 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3735 * config/i386/t-gthr-win32: New file. ... here.
3737 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3740 * c-parser.c (c_parser_compound_statement_nostart): Reset
3741 parser->error after each statement.
3743 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3746 * omp-low.c (lower_omp_parallel): Convert t to
3747 receiver_decl's type.
3748 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3749 source before comparison.
3752 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3753 to itype in assignment to oldival2.
3755 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3759 * c-typeck.c (build_compound_expr): If the second expression
3760 is an error mark, then just return an error mark instead of
3761 creating a COMPOUND_EXPR.
3763 2006-07-14 Mike Stump <mrs@apple.com>
3765 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3767 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3769 * c-decl.c, var-tracking.c: Fix comment typos.
3771 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3773 PR rtl-optimization/28634
3774 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3775 for floating-point modes unless flag_unsafe_math_optimizations.
3777 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3778 Andrew Pinski <pinskia@physics.uc.edu>
3781 * tree.c (build_array_type): Unify array types with
3782 unspecified index_type.
3783 * c-decl.c (grokdeclarator): Make sure we do not modify a
3784 unified incomplete array type.
3785 * c-typeck.c (store_init_value): Create distinct type before
3786 filling in the index type in an initializer from a compound
3789 * c-decl.c (grokdeclarator): Remove code where we copy the
3792 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3794 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3795 into account for TODO_dump_cgraph.
3796 (TODO_update_ssa_no_phi): Likewise.
3797 (TODO_update_ssa_full_phi): Likewise.
3798 (TODO_update_ssa_only_virtuals): Likewise.
3799 (TODO_remove_unused_locals): Likewise.
3800 (TODO_set_props): Likewise.
3801 (TODO_update_stmt_usage): Likewise.
3803 2006-08-13 Dirk Mueller <dmueller@suse.de>
3805 * c-common.c (strict_aliasing_warning): Fix formatting.
3807 2006-08-13 Matthias Klose <doko@debian.org>
3809 * doc/invoke.texi: Fix spelling errors.
3811 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3813 PR rtl-optimization/23454
3814 * reorg.c (relax_delay_slots): Update comment.
3816 2006-08-11 Richard Guenther <rguenther@suse.de>
3819 * simplify-rtx.c (simplify_const_relational_operation):
3820 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3823 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3825 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3826 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3828 2006-08-10 Paul Brook <paul@codesourcery.com>
3830 * final.c (final_scan_insn): Clear current_insn_predicate before
3831 outputting inline asm.
3833 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3835 PR tree-optimization/26197
3836 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3837 get_ref_base_and_extent and overlap_subvar to add only relevant
3838 subvars as may-aliases.
3839 (add_may_alias_for_new_tag): New function, factored out of
3841 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3842 with additional argument.
3843 * tree-flow.h (new_type_alias): Takes additional argument.
3845 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3847 * gcov.c (no_data_file): New flag.
3848 (read_count_file): Set it if data file not present. Assume counts
3850 (output_lines): Don't name the data file, if there wasn't one.
3852 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3854 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3855 (rs6000_generate_compare): Tweak comments.
3856 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3858 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3860 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3861 (var_debug_decl): New function.
3862 (var_reg_set): Follow debug decl link. Add location even if
3863 reg is already known to hold some other variable.
3864 (var_mem_set): Follow debug decl link.
3865 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3866 decl link. Delete other known locations of the variable part
3868 (var_reg_delete, var_mem_delete): Delete other known locations
3869 of the variable part if requested.
3870 (same_variable_part_p): New function.
3871 (add_stores): Select MO_COPY when appropriate.
3872 (vt_initialize): Handle it.
3873 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3874 known locations for MO_SET and MO_CLOBBER.
3875 (find_variable_location_part): New function.
3876 (set_variable_part, delete_variable_part): Use it.
3877 (clobber_variable_part): New function.
3878 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3881 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3883 PR tree-optimization/26969
3884 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3885 with an empty list of PHIs.
3887 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3891 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3894 2006-08-06 Andreas Schwab <schwab@suse.de>
3896 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3897 string. Whitespace and comment fixup.
3899 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3902 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3906 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3909 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3911 2006-08-04 Jan Hubicka <jh@suse.cz>
3915 * reload.c (push_reload): Patch out the mismatching instruction;
3917 (find_reload): Bail out if the instruction was patched out.
3919 2006-08-04 Jan Hubicka <jh@suse.cz>
3921 PR tree-optimization/24888
3922 * tree-inline.c (expand_call_inline): Do not re-record variables.
3923 (declare_inline_vars): Add variable to unexpanded_var_list.
3925 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3926 Roger Sayle <roger@eyesopen.com>
3928 PR rtl-optimization/26244
3929 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3930 inner_const are negative or greater than or equal to the bitsize of
3931 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3932 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3933 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3934 CONST0_RTX (mode) when the new shift count is greater than or equal to
3935 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3938 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3940 * tree-cfg.c: Fix a comment typo.
3942 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3945 * varasm.c (output_constant): Give the front end another chance to
3946 expand constants, after stripping NOPs.
3948 2006-08-03 Jan Hubicka <jh@suse.cz>
3950 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3953 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3955 PR tree-optimization/27770
3956 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3957 declaration removed (moved to tree-flow.h).
3958 (vect_can_force_dr_alignment_p): Likewise.
3959 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3960 (moved from tree-vectorizer.h).
3961 (vect_can_force_dr_alignment_p): Likewise.
3962 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3963 from outside the vectorizer - in particular from cgraph stage.
3964 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3965 the alignment of global arrays when -fsection-anchors is enabled.
3966 * cgraphunit.c (cgraph_increase_alignment): New function.
3967 (cgraph_optimize): Call cgraph_increase_alignment.
3969 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3972 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3973 not reload a SPE symbol_ref into a lo_sum address.
3975 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3978 * dwarf2out.c (prune_unused_types_prune): Move call to
3979 prune_unused_types_update_strings to cover the parent DIE also.
3981 2006-08-02 Jan Hubicka <jh@suse.cz>
3983 PR gcov/profile/28480
3984 * tree-cfg.c (change_bb_for_stmt): New function.
3985 (tree_merge_blocks, tree_split_blocks): Use it.
3987 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3993 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3994 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3995 (cgraph_optimize): Likewise.
3997 2006-08-01 Stuart Hastings <stuart@apple.com>
3999 * rtl.h (UINTVAL) New.
4000 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4001 * testsuite/gcc.dg/20060801-1.c: New.
4003 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4006 * c-typeck.c (build_external_type): Mark used enum types.
4007 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4009 (gen_subprogram_die): Whitespace fix.
4011 2006-08-01 Jan Hubicka <jh@suse.cz>
4013 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4014 bitmap when not needed.
4015 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4018 2006-08-01 Dirk Mueller <dmueller@suse.de>
4020 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4022 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4024 * Makefile.in: Revert part of previous patch:
4025 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4028 2006-07-30 Eric Christopher <echristo@apple.com>
4031 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4032 (PowerPC Variable Attributes): New section.
4034 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4036 PR target/28126 (partial fix)
4037 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4039 2006-07-28 Jan Hubicka <jh@suse.cz>
4041 PR rtl-optimization/28071
4042 * cfgrtl.c (rtl_delete_block): Free regsets.
4043 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4045 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4047 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4048 and variables used in dependencies.
4050 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4052 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4053 %fs for -mcmodel=kernel.
4054 (stack_tls_protect_test_di): Likewise.
4056 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4058 * Makefile.in: Use mkinstalldirs.
4060 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4063 * opts-common.c (prune_options): Skip joined switches.
4065 2006-07-27 Jan Hubicka <jh@suse.cz>
4067 PR rtl-optimization/28071
4068 * cselib.c (cselib_process_insn): Don't remove useless values too
4069 often for very large hashtables.
4071 2006-07-27 Jan Hubicka <jh@suse.cz>
4073 PR rtl-optimization/28071
4074 * global.c (greg_obstack): New obstack.
4075 (allocate_bb_info): Use it.
4076 (free_bb_info): Likewise.
4077 (modify_reg_pav): Likewise.
4079 2006-07-27 Roger Sayle <roger@eyesopen.com>
4081 * builtins.c (fold_fixed_mathfn): When long and long long are the
4082 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4083 functions to their lceil*, lfloor*, lround* and lrint* forms.
4085 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4088 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4090 (rev_branch_insn): Likewise.
4092 2006-07-27 Jan Hubicka <jh@suse.cz>
4094 PR rtl-optimization/28071
4095 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4096 (reg_set_in_bb, max_reg_computed): New static variables.
4097 (regmove_optimize): Free the new array.
4098 (fixup_match_1): Update call of reg_is_remote_constant_p.
4100 2006-07-26 Jan Hubicka <jh@suse.cz>
4102 PR tree-optimization/27882
4103 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4105 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4107 (cgraph_analyze_compilation_unit): Likewise.
4108 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4109 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4110 (cgraph_early_inlinine): Make order garbage collected.
4111 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4113 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4115 * dbxout.c (output_types_sort): Add a comment.
4116 (output_used_types): Free the VEC.
4118 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4120 * function.c (reorder_fix_fragments): Delete.
4121 (reorder_blocks): Don't call it.
4122 (reorder_blocks_1): Put all subblocks under the origin block.
4124 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4126 PR rtl-optimization/27907
4127 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4130 2006-07-25 Roger Sayle <roger@eyesopen.com>
4133 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4134 bar(x) check that bar's result type can represent all the values of T.
4136 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4138 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4140 2006-07-25 Nick Clifton <nickc@redhat.com>
4142 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4143 size_lookup[] array.
4144 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4145 (ggc_pch_count_object): Likewise.
4146 (ggc_pch_alloc_object): Likewise.
4147 (ggc_pch_write_object): Likewise.
4148 (init_ggc): Do not attempt to initialize entries in the
4149 size_lookup[] array for objects whose size is greater than than
4150 the length of the array.
4152 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4154 * dbxout.c (output_used_types_helper): Push queued types
4156 (output_types_sort): New.
4157 (output_used_types): Collect used types on a VEC and sort them
4160 2006-07-24 Richard Guenther <rguenther@suse.de>
4163 * cgraph.c (cgraph_remove_node): Do not check if dumps
4165 * cgraphunit.c (cgraph_optimize): Likewise.
4167 2006-07-24 Jan Hubicka <jh@suse.cz>
4169 PR rtl-optimization/28071
4170 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4171 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4172 splitting before first stmt.
4174 2006-07-24 Jan Hubicka <jh@suse.cz>
4176 PR rtl-optimization/28071
4177 * ipa-inline.c (update_caller_keys): Remove edges that
4178 are no longer inline candidates.
4180 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4183 * dbxout.c (output_used_types_helper, output_used_types): New.
4184 (dbxout_symbol): Call output_used_types.
4186 2006-07-23 Jan Hubicka <jh@suse.cz>
4190 * cgraph.c (cgraph_varpool_nodes): Export.
4191 (decide_is_variable_needed): Ignored "used" attribute in
4192 unit-at-a-time mode.
4193 * cgraph.h (cgraph_varpool_nodes): Declare.
4194 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4195 unit-at-a-time mode.
4197 2006-07-23 Roger Sayle <roger@eyesopen.com>
4200 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4201 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4202 the __gthrw form of thr_keycreate.
4203 (__gthread_key_delete): Silence the unused argument warning.
4205 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4208 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4209 Cache the last found '\0' marker to avoid quadratic behavior.
4211 2006-07-23 Jan Hubicka <jh@suse.cz>
4213 * i386.md (subsi_3_zext): Fix output template.
4215 2006-07-21 Mike Stump <mrs@apple.com>
4217 * doc/invoke.texi (C++ Dialect Options): Note that
4218 -fvisibility-inlines-hidden doesn't affect explicitly
4219 instantiationed inline methods.
4221 2006-07-20 Roger Sayle <roger@eyesopen.com>
4223 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4224 if the target assembler is GNU binutils' gas.
4225 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4226 whether to pass GNU gas or native as command line options.
4228 2006-07-20 Jason Merrill <jason@redhat.com>
4230 * tree.c (remove_attribute): New fn.
4231 * tree.h: Declare it.
4233 2006-07-20 Paul Brook <paul@codesourcery.com>
4236 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4237 they are invalidated by this instruction.
4239 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4242 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4244 2006-07-20 Eric Christopher <echristo@apple.com>
4247 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4249 2006-07-19 Eric Christopher <echristo@apple.com>
4251 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4252 Rewrite dependencies for libgcc_s.1.dylib.
4254 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4256 * except.c (duplicate_eh_regions_1): Clear next_peer.
4258 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4260 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4261 -mlongcall does not guarantee all calls will be long.
4262 * doc/extend.texi (long_call/short_call): Document that longcall
4263 does not guarantee a long call will be used.
4264 (longcall/shortcall): Likewise.
4266 2006-07-18 Roger Sayle <roger@eyesopen.com>
4269 * expmed.c (expand_shift): Additionally check that the shift_cost
4270 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4271 before implementing a LSHIFT_EXPR as a sequence of additions.
4272 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4273 middle-end that DImode shifts need to be synthesized by expand.
4275 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4278 * tree-ssa-operands.c (access_can_touch_variable): Update
4280 Return true if ALIAS is .GLOBAL_VAR.
4282 2006-07-18 David Daney <ddaney@avtrex.com>
4284 * gcc.c (display_help): Fix typo in help text.
4286 2006-07-18 Olivier Hainque <hainque@adacore.com>
4288 * tree.h (categorize_ctor_elements): Adjust prototype and add
4289 descriptive comment, both in accordance with the interface change
4291 * varasm.c (constructor_static_from_elts_p): New function.
4292 Whether a constructor node is a valid static constant initializer
4293 if all its elements are.
4294 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4295 * output.h: Declare it.
4296 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4297 is a valid constant initializer instead of computing the number of
4298 non-constant elements. Use constructor_static_from_elts_p for this
4299 purpose. Replace the head comment with an indication that this is a
4300 helper for categorize_ctor_elements.
4301 (categorize_ctor_elements): Same interface change as for the _1
4302 helper. Former head comment from this helper moved here, adjusted to
4303 account for the interface changes.
4304 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4305 (all_zeros_p): Likewise.
4306 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4307 static versions of the constructor from the categorize_ctor_elements
4308 return value instead of the formerly computed number of non-constant
4311 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4313 * configure: Regenerate.
4314 * Makefile.in (build_libsubdir): New configure substitution
4315 (build_libobjdir): New variable.
4316 (BUILD_LIBIBERTY): Use it.
4318 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4321 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4323 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4326 * c-common.c (handle_weakref_attribute): Ignore attribute in
4327 the same conditions the alias attribute is ignored.
4329 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4331 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4332 (dbxout_begin_prologue): Increment scope_labelno.
4334 2006-07-17 Richard Henderson <rth@redhat.com>
4337 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4340 2006-07-17 Roger Sayle <roger@eyesopen.com>
4341 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4343 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4344 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4345 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4346 functions such as sbrk, write, etc.. Add function prototypes.
4347 Convert function declarations from K&R to ISO C. Cast pointers
4348 to "long" and "unsigned long" instead of "int" and "unsigned int".
4349 Convert tokens following #endif into comments.
4351 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4353 * invoke.texi: Remove mention of f77; Reformat table for
4354 inline parameter options correctly; mention that -malign-double
4355 is default on x86-64 targets.
4357 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4359 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4360 (convert_affine_scev, chrec_convert_aggressive): Use
4361 avoid_arithmetics_in_type_p. Do not check for the subtypes
4364 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4367 * optabs.c (expand_doubleword_shift): Wrap the call to
4368 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4370 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4373 * optabs.c (expand_binop): Pass next_methods rather than methods
4374 to expand_doubleword_shift.
4376 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4379 * tree.h (dump_addr): Declare.
4380 * print-tree.c (dump_addr): New function.
4381 (print_node_brief, print_node): Use it.
4382 * print-rtl.c (print_rtx): Likewise.
4383 * common.opt (-fdump-noaddr): New option.
4384 * doc/invoke.texi (-fdump-noaddr): Document.
4385 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4386 (ve_info_hash): Likewise.
4388 2006-07-13 Andrew Haley <aph@redhat.com>
4390 PR tree-optimization/19505
4391 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4392 edge leaving this block, make sure that the destination of this
4393 block has only one predecessor.
4395 2006-07-17 Richard Guenther <rguenther@suse.de>
4397 PR tree-optimization/28238
4398 * tree-inline.c (copy_bb): Check if we produced valid
4399 gimple copying and substituting a stmt. If not, gimplify
4402 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4404 * optabs.c (maybe_encapsulate_block): New function extracted from...
4405 (emit_libcall_block): ...here. Invoke it on the block of insns to
4406 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4407 (emit_no_conflict_block): Likewise.
4409 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4411 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4413 2006-07-15 Roger Sayle <roger@eyesopen.com>
4415 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4416 a new NOP_EXPR case of the switch statement.
4418 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4421 * stor-layout.c (place_field): Take the bit field with
4422 an excessive size into account in the ms-bitfiled case.
4425 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4426 the previous bit field.
4428 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4431 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4433 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4435 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4436 signal frames correctly even when the signal was installed with
4439 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4441 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4442 (dbxout_function_end): Use local label LFBB. Remove hook
4444 (dbxout_source_line): Use local label LFBB.
4445 (dbxout_block): Likewise.
4446 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4447 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4448 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4449 and DBX_OUTPUT_NFUN.
4451 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4453 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4455 2006-07-13 Jan Hubicka <jh@suse.cz>
4457 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4459 * output.h (align_variable): Declare.
4460 * varasm.c (align_variable): Export.
4461 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4462 when basic block changed.
4464 2006-07-13 Nick Clifton <nickc@redhat.com>
4466 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4467 walking the LOG_LINKS chain.
4469 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4471 * doc/invoke.texi (C++ Dialect Options): Explain difference
4472 between -fvisibility-inlines-hidden and setting hidden
4473 visibility explicitly.
4475 2006-07-12 Eric Christopher <echristo@apple.com>
4477 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4478 (stmp-lipo): Depend on libgcc.a.
4480 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4482 * tree.c: Fix a comment typo.
4484 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4486 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4488 (umulhisi3_r): Likewise.
4490 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4493 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4494 x < 19, vs wchar_t support.
4496 2006-07-12 Nick Clifton <nickc@redhat.com>
4498 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4499 instead of -isa=sh4.
4501 2006-07-12 Mike Stump <mrs@apple.com>
4503 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4505 2006-07-10 Eric Christopher <echristo@apple.com>
4507 * config/t-slibgcc-darwin: Rewrite.
4509 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4512 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4515 2006-07-08 Matthias Klose <doko@debian.org>
4517 * doc/sourcebuild.texi: Fix typo.
4519 2006-07-07 Mike Stump <mrs@apple.com>
4521 * toplev.c (process_options): Don't give -ffunction-sections may
4522 affect debugging warning for Mach-O.
4524 2006-07-07 James E Wilson <wilson@specifix.com>
4526 * config/mips/mips.md (cpu): Add sb1a.
4527 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4528 addition to sb1. Adjust comments to clarify SB-1A differences from
4530 (ir_sb1a_load): New. Modify bypasses to use it.
4531 (ir_sb1a_simple_alu): Likewise.
4532 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4533 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4534 (mips_issue_rate): Add PROCESSOR_SB1A.
4535 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4536 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4537 (TARGET_SB1): Add PROCESSOR_SB1A check.
4538 (TUNE_SB1): Likewise.
4540 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4541 * config/mips/mips.c (mips_store_data_bypass_p): New.
4542 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4543 store_data_bypass_p.
4545 2006-07-08 Paul Brook <paul@codesourcery.com>
4548 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4550 2006-07-07 Richard Guenther <rguenther@suse.de>
4553 * tree.h (build_one_cst): Declare.
4554 * tree.c (build_one_cst): New function.
4555 * tree-ssa-math-opts.c (get_constant_one): Remove.
4556 (insert_reciprocals): Use build_one_cst.
4557 * fold-const.c (fold_plusminus_mult): Likewise.
4559 2006-07-07 Roger Sayle <roger@eyesopen.com>
4561 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4562 * cfgloopanal.c (dump_graph): Likewise.
4563 * dojump.c (discard_pending_stack_adjust): Likewise.
4564 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4566 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4567 * function.c (finalize_block_changes): Likewise.
4568 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4569 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4570 * rtl.c (dump_rtx_statistics): Likewise.
4571 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4573 * varray.c (dump_varray_statistics): Likewise.
4574 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4575 decode_decimal64, encode_decimal128, decode_decimal128,
4576 decimal_real_to_decimal): Likewise.
4578 2006-07-07 Richard Guenther <rguenther@suse.de>
4580 PR tree-optimization/28187
4581 * tree-vrp.c (vrp_operand_equal_p): New function.
4582 (vrp_bitmap_equal_p): Likewise.
4583 (update_value_range): Use them to compare old and new
4586 2006-07-06 Roger Sayle <roger@eyesopen.com>
4588 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4589 a default case to switch statement to silence compiler warnings.
4591 2006-07-06 Roger Sayle <roger@eyesopen.com>
4594 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4595 the configured assembler supports the x87's ffreep mnemonic.
4596 * configure: Regenerate.
4597 * config.in: Regenerate.
4599 * config/i386/i386.c (output_387_ffreep): New function.
4600 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4601 (output_387_reg_move): Likewise.
4603 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4605 Port to hosts whose 'sort' and 'tail' implementations
4606 treat operands with leading '+' as file names, as POSIX
4607 has required since 2001. However, make sure the code still
4608 works on pre-POSIX hosts.
4609 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4610 which says you should use "tail -c +N" rather than "tail +Nc".
4611 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4613 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4615 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4618 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4621 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4622 PRE_{INC,DEC} of TFmode.
4624 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4625 Alan Modra <amodra@bigpond.net.au>
4628 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4631 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4634 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4635 Remove duplicate gtu.
4637 2006-07-05 Jason Merrill <jason@redhat.com>
4641 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4642 * c-common.c (handle_packed_attribute): So don't copy it here.
4643 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4645 2006-07-05 Mike Stump <mrs@apple.com>
4647 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4649 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4652 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4654 2006-07-05 Richard Guenther <rguenther@suse.de>
4657 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4658 TARGET_SSE2 targets if using SSE math.
4659 (*absdf2_1): Likewise.
4661 2006-07-05 Richard Guenther <rguenther@suse.de>
4663 PR tree-optimization/28162
4664 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4665 make sure to convert the operands to the correct type.
4667 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4669 PR tree-optimization/28218
4671 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4672 to calculate and free the dominator information.
4674 2006-07-04 Peter O'Gorman <peter@pogma.com>
4676 * mklibgcc.in: chmod 644 before ranlib during install.
4678 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4679 J"orn Rennecke <joern.rennecke@st.com>
4681 * configure.ac (.eh_frame data check): Use diff -b.
4683 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4686 * Makefile.in (BUILD_RTL): Add build/vec.o.
4687 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4688 (build/genextract): Delete.
4689 (build/genautomata): Likewise.
4691 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4694 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4695 128-bit IBM long doubles for ABI_V4.
4697 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4699 * tree.c (range_in_array_bounds_p): New predicate.
4700 * tree.h (range_in_array_bounds_p): Declare it.
4701 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4702 return a less conservative answer.
4703 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4704 and flag 'is_group'.
4705 (IS_ELEMENT_FOR_GROUP): New macro.
4706 (FOR_EACH_ACTUAL_CHILD): Likewise.
4707 (next_child_for_group): New helper function.
4708 (can_completely_scalarize_p): Take into account groups.
4709 (sra_hash_tree): Handle RANGE_EXPR.
4710 (sra_elt_eq): Likewise.
4711 (lookup_element): Be prepared for handling groups.
4712 (is_valid_const_index): Delete.
4713 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4714 instead of is_valid_const_index.
4715 <ARRAY_RANGE_REF>: New case.
4716 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4717 is_valid_const_index.
4718 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4719 (scan_dump): Dump info for groups too.
4720 (decide_instantiation_1): Likewise.
4721 (decide_block_copy): Assert that the element is not a group.
4722 Propagate decision to groups.
4723 (generate_one_element_ref): Handle RANGE_EXPR.
4724 (mark_no_warning): Iterate over actual childs.
4725 (generate_copy_inout): Likewise.
4726 (generate_element_copy): Likewise.
4727 (generate_element_zero): Likewise.
4728 (generate_element_init_1): Likewise.
4729 (dump_sra_elt_name): Handle RANGE_EXPR.
4731 2006-07-03 Roger Sayle <roger@eyesopen.com>
4733 PR tree-optimization/26251
4734 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4735 (thread_block): When optimizing for size refuse to thread jumps
4736 that would require duplication of blocks other than redirection
4739 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4741 * configure.ac: Fix thinko in previous check-in.
4742 * configure: Regenerate.
4744 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4747 * configure.ac (for lang...): Simplify nesting of conditionals.
4748 Test subdir_requires for non-enabled languages. Move processing
4749 of lang_opt_files and lang_tree_fiels below that test.
4750 * configure: Regenerate.
4751 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4753 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4755 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4757 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4759 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4762 2006-06-29 Jason Merrill <jason@redhat.com>
4769 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4770 * c-common.c (c_determine_visibility): Handle it here.
4771 * c-decl.c (finish_decl): Call c_determine_visibility for
4773 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4775 * varasm.c (default_assemble_visibility): Likewise.
4776 * c-common.c (handle_visibility_attribute): Complain about trying
4777 to give visibility to an already defined class, or trying to change
4778 declared visibility. Always attach the attribute.
4783 * attribs.c (decl_attributes): Ignore type-in-place attributes
4784 once the type has been defined.
4786 2006-06-29 Roger Sayle <roger@eyesopen.com>
4789 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4790 to indicate the cpplib has issued an error message for us.
4792 2006-06-29 Asher Langton <langton2@llnl.gov>
4795 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4796 insert a label at the end of an function under Mach-O.
4798 2006-06-29 Eric Christopher <echristo@apple.com>
4799 Evan Cheng <evan.cheng@apple.com>
4801 * predicates.md (vector_all_ones_operand): New.
4802 (nonimmediate_or_sse_const_operand): Ditto.
4803 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4804 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4805 (standard_sse_mode_p): Ditto.
4806 (standard_sse_constant_p): Add case for -1 vector.
4807 (ix86_expand_vector_move): Try to use.
4808 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4809 Call standard_sse_constant_opcode.
4810 (*movv4sf_internal): Ditto.
4811 (*movv2df_internal): Ditto.
4813 2006-06-29 Roger Sayle <roger@eyesopen.com>
4815 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4816 of XEXP to extract the operands of a MATCH_CODE rtx.
4818 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4820 * tree.c (tree_size): Do not waste tail padding in
4821 struct tree_string and make the size be the same as
4822 build_string will generate.
4824 2006-06-28 Jason Merrill <jason@redhat.com>
4827 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4828 may_aliases already in the tag's annotations to the bitmap.
4830 2006-06-28 Roger Sayle <roger@eyesopen.com>
4832 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4834 2006-06-28 Roger Sayle <roger@eyesopen.com>
4836 * genpreds.c (generate_switch_p): New function.
4837 (add_mode_tests): Push the new mode test down inside an AND expr
4838 if this allows the switch-suitable MATCH_CODE to be near the root.
4839 (write_match_code_switch): New function to write a MATCH_CODE as
4841 (write_predicate_stmts): New function to write a predicate RTX
4842 expression as a sequence of statements.
4843 (write_one_predicate_function): Use write_predicate_stmts.
4844 (write_tm_constrs_h): Likewise.
4846 2006-06-26 Fred Fish <fnf@specifix.com>
4848 * config/mips/t-sb1: New file.
4849 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4852 2006-06-26 DJ Delorie <dj@redhat.com>
4854 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4856 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4857 Jayant Sonar <jayants@kpitcummins.com>
4858 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4860 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4861 (subsi3, subsi3_1, subsi3_2): New.
4862 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4863 * config/m32c/mov.md (SI mov peephole): New.
4864 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4865 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4867 2006-06-26 Olivier Hainque <hainque@adacore.com>
4869 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4870 a CALL_EXPR target function declaration.
4872 2006-06-26 Richard Guenther <rguenther@suse.de>
4874 * tree.c (build_string): Do not waste tail padding in
4877 2006-06-26 Richard Guenther <rguenther@suse.de>
4879 * ggc-page.c (init_ggc): Add missing element to size_lookup
4883 2006-06-23 Richard Guenther <rguenther@suse.de>
4885 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4886 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4887 alignment requests instead. Add verification code.
4888 Add struct tree_function_decl and struct tree_binfo size to
4889 extra_order_size_table. Add missing element to size_lookup
4892 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4895 * fold-const.c (const_binop): Be prepared for self returning zero.
4896 Simplify code handling complex values.
4898 2006-06-24 Olivier Hainque <hainque@adacore.com>
4900 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4901 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4904 2006-06-24 Olivier Hainque <hainque@adacore.com>
4906 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4907 ARRAY_REF, so have the callback called for the low bound expression.
4909 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4911 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4912 * c-typeck.c (c_common_type): Disallow operations on decimal float
4913 types and other float types.
4914 * convert.c (convert_to_real): Don't ignore conversions involving
4915 decimal float types.
4917 2006-06-23 Olivier Hainque <hainque@adacore.com>
4919 * tree.c (max_int_size_in_bytes): New function, inspired from
4920 code in function.c:assign_temp.
4921 * tree.h (max_int_size_in_bytes): Declare.
4922 * function.c (assign_temp): Use it.
4923 * gimplify.c (create_tmp_var): Relax the assertions on the type
4924 properties, not mandating constant size any more.
4925 (force_constant_size): New static function.
4926 (gimple_add_tmp_var): Use it, forcing variable size to a
4927 constant upper bound if it is not constant on entry.
4929 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4932 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4933 for initialization and setting of one_only flag to ...
4934 (i386_pe_encode_section_info): ...here.
4935 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4936 Recheck that the symbol has not been defined.
4938 2006-06-23 Richard Guenther <rguenther@suse.de>
4940 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4941 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4942 alignment requests instead. Add verification code.
4943 Add struct tree_function_decl and struct tree_binfo size to
4944 extra_order_size_table. Add missing element to size_lookup
4947 2006-06-22 Roger Sayle <roger@eyesopen.com>
4948 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4951 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4952 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4954 2006-06-23 Ben Elliston <bje@au.ibm.com>
4956 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4957 negate dn -- manipulate it directly.
4959 2006-06-22 Roger Sayle <roger@eyesopen.com>
4960 Steven Bosscher <stevenb.gcc@gmail.com>
4963 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4964 generated by gen_move_insn to add REG_LABEL notes if necessary.
4966 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4968 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4969 (leaf_entry): Remove use of MIN_ESA.
4971 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4973 PR rtl-optimization/28121
4974 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4977 2006-06-21 DJ Delorie <dj@redhat.com>
4979 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4981 (mulhisi3_r): Likewise.
4983 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4986 * coverage.c (coverage_counter_alloc): Leave the index type
4988 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4991 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4993 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4994 section from the "Options for Code Generation Conventions".
4996 2006-06-21 Richard Henderson <rth@redhat.com>
5000 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5002 (global_symbolic_operand): Allow weak symbols, even if local_p.
5004 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5006 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5007 (find_interesting_uses_address): Punt if above function returns true.
5009 2006-06-21 Richard Guenther <rguenther@suse.de>
5011 * configure: Regenerated.
5013 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5015 * config/mips/mips.c (function_arg): Where one part of a
5016 complex argument is in registers and the other part in the stack,
5017 return a REG not a PARALLEL.
5019 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5021 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5022 when cross-compiling. Do not substitute libstdcxx_incdir.
5023 * configure: Regenerated.
5025 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5027 * varasm.c (mergeable_string_section): Check for embedded NULs and
5028 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5029 rather than TREE_STRING_LENGTH bytes.
5031 2006-06-21 Richard Guenther <rguenther@suse.de>
5033 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5034 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5037 2006-06-21 Richrad Guenther <rguenther@suse.de>
5039 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5040 Limit iteration over the dominators.
5042 2006-06-20 Roger Sayle <roger@eyesopen.com>
5044 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5045 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5047 2006-06-20 Richard Guenther <rguenther@suse.de>
5048 Michael Matz <matz@suse.de>
5050 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5052 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5053 * et-forest.h (et_free_pools): Prototype new function.
5054 * et-forest.c (et_free_tree_force): Free parent occurrence.
5055 (et_free_pools): New function.
5056 * dominance.c (free_dominance_info): Free et-forest alloc
5059 2006-06-20 Roger Sayle <roger@eyesopen.com>
5061 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5062 integer modes, attempt to directly construct an integer constant.
5064 * fold-const.c (native_encode_vector): Determine the size of each
5065 element from the vector type instead of the first vector element.
5067 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5068 if all of its elements/components are constant.
5069 (build_constructor_from_list): Likewise.
5071 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5073 PR tree-optimization/27331
5074 * tree-data-ref.c (free_data_ref): New function.
5075 (create_data_ref): Fail if the data reference has unknown access
5077 (free_data_refs): Use free_data_ref.
5079 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5082 * tree-inline.c (setup_one_parameter): Strip useless
5083 type conversion before adding it to the IR.
5084 (declare_return_variable): Likewise.
5086 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5089 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5091 2006-06-19 Mike Stump <mrs@apple.com>
5093 * tree.c (variably_modified_type_p): VM arguments don't make the
5096 2006-06-19 Richard Guenther <rguenther@suse.de>
5098 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5099 type conversions after folding.
5101 2006-06-19 Richard Guenther <rguenther@suse.de>
5103 * ggc-page.c (extra_order_size_tab): Add entries with
5104 size of struct function and basic_block.
5105 (size_lookup): Extend to cover sizes up to 511.
5106 (ggc_alloc_stat): Adjust user.
5107 (ggc_pch_count_object): Likewise.
5108 (ggc_pch_alloc_object): Likewise.
5109 (ggc_pch_write_object): Likewise.
5111 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5113 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5114 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5117 2006-06-19 Denis Chertykov <denisc@overta.ru>
5119 * config/avr/libgcc.S : Correct my wrong previous commit.
5121 2006-06-19 Roger Sayle <roger@eyesopen.com>
5124 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5125 have stripped a SUBREG from the shift count, so we may need to
5126 convert_to_mode back to the type's mode before calling make_tree.
5127 Use new_amount instead of amount to avoid expanding a tree twice.
5129 2006-06-19 Richard Guenther <rguenther@suse.de>
5132 * fold-const.c (operand_equal_p): Check if the argument types
5133 have the same precision before stripping NOPs.
5135 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5137 Fix PR tree-optimization/27341
5138 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5140 * tree-complex.c (pass_lower_complex): Update SMT usage.
5142 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5144 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5145 Add a new alternative to the constraint strings. Add move of
5146 operand 1 to 3 to the splitter definition.
5147 ("doloop_si_long"): Second contraint alternative removed.
5149 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5151 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5152 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5154 (AVR_HAVE_MOVW) Define.
5155 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5156 (ASM_SPEC): Add avr25.
5157 (LINK_SPEC): Add avr25.
5158 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5159 (base_arch_s): Add new member 'have_movw_lpmx'.
5160 (avr_arch_types): Init 'have_movw_lpmx'.
5161 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5162 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5163 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5164 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5165 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5167 (avr_file_start): Do not output '.arh' derective.
5168 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5169 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5170 * config/avr/avr.md (mcu_enhanced): Delete.
5171 (mcu_have_movw): Define.
5172 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5173 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5174 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5175 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5176 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5177 attiny861 and at86rf401 devices.
5179 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5181 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5184 2006-06-17 Karl Berry <karl@gnu.org>
5186 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5187 doc/gccint.texi, doc/install.texi (@dircategory): Use
5188 "Software development" instead of "Programming", following
5189 the Free Software Directory.
5191 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5193 * config/i386/i386.c (legitimate_tls_address)
5194 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5195 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5196 (*tls_dynamic_gnu2_combine_64): Likewise.
5198 2006-06-16 Richard Guenther <rguenther@suse.de>
5201 * fold-const.c (negate_expr_p): Do not introduce undefined
5202 overflow in negating INTEGER_CSTs.
5203 (fold_negate_expr): Rename from negate_expr. Revert last
5204 change for folding BIT_NOT_EXPR. Change semantics to
5205 return NULL_TREE for non-simplified negations. Do not
5206 strip type conversions and unify type handling.
5207 (negate_expr): New function, wrap around fold_negate_expr
5208 but ensure building a tree always. Strip type conversions
5209 here, fold to result type.
5210 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5212 2006-06-16 Roger Sayle <roger@eyesopen.com>
5215 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5216 that (would) return their results in stack registers.
5218 2006-06-16 Michael Matz <matz@suse.de>
5219 Richard Guenther <rguenther@suse.de>
5221 * fold-const.c (fold_truthop): Only return new tree node if
5222 we canonicalized something.
5224 2006-06-16 Richard Guenther <rguenther@suse.de>
5226 * function.h (enum function_frequency): Move declaration
5227 out of struct function.
5228 (struct function): Move bool fields and the enum to the bitfield
5229 section. Reorder elements to avoid padding. Remove unused
5230 fields left over from the RTL inliner removal.
5231 * function.c (free_after_compilation): Do not zero removed fields.
5232 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5233 (ipa-type-escape.o): Likewise.
5235 2006-06-16 Richard Guenther <rguenther@suse.de>
5237 * cgraph.h (struct cgraph_local_info): Turn bool elements
5239 (struct cgraph_node): Likewise.
5240 (struct cgraph_varpool_node): Likewise.
5242 2006-06-15 Richard Guenther <rguenther@suse.de>
5244 * fold-const.c (fold_truth_not_expr): Rename from
5245 invert_truthvalue. Give it fold_* semantics to avoid
5247 (invert_truthvalue): New function. Wrapper around
5248 fold_truth_not_expr.
5249 (optimize_minmax_comparison): Avoid creating garbage.
5250 (fold_unary): Use fold_truth_not_expr for folding
5252 (fold_ternary): Replace uses of invert_truthvalue with
5253 fold_truth_not_expr where applicable.
5254 * tree.h (fold_truth_not_expr): Prototype.
5256 2006-06-16 Richard Guenther <rguenther@suse.de>
5258 PR tree-optimization/27781
5259 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5260 * ipa-pure-const.c (target.h): Include.
5261 (analyze_function): Do not analyze functions that do not
5264 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5267 * tree-dfa.c (referenced_vars_dup_list): Remove.
5268 (find_referenced_vars): Remove assert.
5269 (referenced_var_check_and_insert): Replace dup list with assert.
5270 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5271 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5273 2006-06-15 Richard Guenther <rguenther@suse.de>
5275 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5276 extra unused identifiers if not dumping.
5277 (create_variable_info_for): Likewise.
5279 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5281 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5282 (derive_constant_upper_bound): Derive more precise upper bound in
5283 common cases. Return type changed to double_int.
5284 (record_estimate): Reflect the changed return type of
5285 derive_constant_upper_bound.
5286 * double-int.c (double_int_zext, double_int_sext): Fix.
5288 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5290 * configure.ac (CFLAGS): Get them from the toplevel or from the
5291 configure invocation.
5292 * configure: Regenerate.
5293 * Makefile.in (CFLAGS): Substitute value provided by configure.
5295 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5298 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5299 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5300 rather than calling add_stmt on it.
5301 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5303 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5306 * reload1.c (reload): Remove registers returned by update_eliminables
5307 from used_spill_regs.
5309 2006-06-13 DJ Delorie <dj@redhat.com>
5311 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5313 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5315 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5316 html__strip_dir, html__mkdir_p. Enhance install-html target.
5317 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5318 * configure: Regenerate.
5320 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5322 * fold-const.c (fold_cond_expr_with_comparison): Check for
5323 Objective-C++ as language in deciding COND_EXPR transformation.
5325 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5328 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5329 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5330 * config/sh/lib1funcs.h (SL, SL1): Define.
5331 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5332 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5333 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5334 (OBJS_Os_4_200): New variable.
5335 ($(T)libgcc-Os-4-200.a): Use it.
5336 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5337 when dividing 1 and/or by 0.
5339 2006-06-13 Roger Sayle <roger@eyesopen.com>
5341 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5342 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5343 * configure: Regenerate.
5345 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5347 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5348 for real instruction.
5350 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5353 * haifa-sched.c (check_cfg): Handle special case.
5355 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5358 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5359 Add debug_info parameter. Chain the vars to the BLOCK instead
5360 of the BIND_EXPR if debug info are requested for them.
5361 (pop_gimplify_context): Adjust for above change.
5362 (gimple_add_tmp_var): Likewise.
5363 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5365 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5366 (convert_local_reference): Likewise.
5367 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5368 (finalize_nesting_tree_1): Request that debug info be emitted
5369 for debug_var_chain.
5371 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5373 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5374 for PR target/27863.
5376 2006-06-13 Richard Guenther <rguenther@suse.de>
5379 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5381 2006-06-13 Richard Guenther <rguenther@suse.de>
5383 PR tree-optimization/27830
5384 * tree-inline.c (copy_body_r): For copying the operand
5385 of an ADDR_EXPR make sure to fold &* afterwards.
5387 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5389 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5390 lvalues in the fb_none case with side-effects.
5392 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5394 * tree-flow.h: Remove the prototype for
5395 compute_phi_arg_on_exit.
5396 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5397 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5400 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5402 * builtins.c (expand_builtin_return_addr): Only use
5403 frame_pointer_rtx when count == 0 and we are expanding
5404 __builtin_return_address.
5406 2006-06-12 Fred Fish <fnf@specifix.com>
5408 * config/mips/mips.c (mips_file_start): Create special section
5409 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5411 2006-06-11 Eric Christopher <echristo@apple.com>
5414 * stor-layout.c (place_field): Remove check for
5415 remaining_in_alignment when aligning at the end of a run.
5417 2006-06-11 Eric Christopher <echristo@apple.com>
5420 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5423 2006-06-11 Roger Sayle <roger@eyesopen.com>
5426 Revert incorrect fix for PR target/27158
5427 2006-05-08 Roger Sayle <roger@eyesopen.com>
5428 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5429 of a reg_equiv_constant if the result is a legitimate constant.
5431 2006-06-11 Roger Sayle <roger@eyesopen.com>
5434 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5435 extract a CONST_VECTOR element and interpret it as an integer.
5436 (vspltis_constant): Use const_vector_elt_as_int instead of the
5437 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5438 * config/rs6000/predicates.md (easy_vector_const): Consider
5439 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5441 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5444 * stor-layout.c (update_alignment_for_field): Don't add extra
5445 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5448 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5450 * config/mips/t-rtems: Add EL/EB multilib variants.
5452 2006-06-09 Mike Stump <mrs@apple.com>
5454 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5456 2006-06-09 David Daney <ddaney@avtrex.com>
5458 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5460 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5462 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5464 2006-06-09 Richard Guenther <rguenther@suse.de>
5466 PR tree-optimization/26998
5467 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5468 of signed types, only TYPE_MIN_VALUE is special, but for both,
5469 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5470 in this case, as is -fwrapv.
5472 2006-06-08 Mike Stump <mrs@apple.com>
5475 * config/darwin.c (darwin_asm_output_anchor): Disable
5476 -fsection-anchors on darwin for now.
5477 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5478 * rs6000/rs6000.c (optimization_options): Likewise.
5480 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5483 * config/i386/i386.c (classify_argument): Skip fields with invalid
5486 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5488 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5489 (cse_insn): Likewise for the stack_pointer_rtx.
5491 2006-06-08 Roger Sayle <roger@eyesopen.com>
5493 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5494 conditions from floating point comparisons.
5496 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5499 * expmed.c (struct alg_hash_entry): Fix type of field T
5500 to match synth_mult argument.
5501 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5503 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5506 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5509 2006-06-08 Richard Guenther <rguenther@suse.de>
5512 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5513 only, if overflow is defined and not trapping.
5514 (negate_expr): Likewise.
5516 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5518 PR tree-optimization/27872
5519 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5520 flag on the new exit edge of the unrolled loop.
5522 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5524 PR rtl-optimization/26449
5525 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5527 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5530 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5531 referenced_variables with matching DECL_UID's.
5532 (find_referenced_vars): Make sure duplicate list is empty to start.
5533 (referenced_var_p): Remove.
5534 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5535 Check if var is in the list, and add if needed. Update the duplicate
5536 list if a different var is in the list with the same DECL_UID.
5537 (add_referenced_var): Call routine to check and insert.
5538 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5539 * tree-flow.h (referenced_vars_dup_list): External declaration.
5541 2006-06-07 Fred Fish <fnf@specifix.com>
5543 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5546 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5549 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5550 the imaginary and real parts of a clobbered register.
5551 Emit insn to set the imaginary part.
5553 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5555 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5556 in lieu of unwind-dw2-fde.c.
5558 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5560 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5562 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5565 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5566 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5567 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5568 V4SImode temporaries and operations instead.
5570 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5572 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5575 2006-06-06 Mike Stump <mrs@apple.com>
5577 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5578 installing during build.
5580 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5582 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5584 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5585 * config/ia64/ia64.c (params.h): New header.
5586 (ia64_optimization_options): New function to adjust parameters.
5587 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5588 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5589 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5591 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5593 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5595 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5598 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5600 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5601 Victor Kaplansky <victork@il.ibm.com>
5603 PR tree-optimization/26360
5604 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5607 2006-06-04 Roger Sayle <roger@eyesopen.com>
5608 Andrew Pinski <pinskia@physics.uc.edu>
5611 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5612 for LABEL_DECL before calling DECL_WEAK.
5615 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5616 LABEL_DECL and PARM_DECL.
5618 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5622 * c-decl.c (grokdeclarator): Disallow variably modified types at
5623 file scope. Avoid marking shared array type of constant size as
5626 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5629 * c-common.c (fold_offsetof_1): Handle static members.
5631 2006-06-04 Eric Christopher <echristo@apple.com>
5633 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5634 (debug_rli): Output value for remaining_in_alignment.
5635 (update_alignment_for_field): Unconditionalize
5636 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5637 extra alignment code.
5638 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5639 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5640 * tree.h (record_layout_info_s): Remove prev_packed.
5641 * doc/extend.texi (ms_struct): Add documentation of format.
5643 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5645 * tree.h: Declare folding_initializer.
5646 * builtins.c (fold_builtin_constant_p): Give definite answer
5647 if folding inside an initializer.
5648 * fold-const.c: Define folding_initializer.
5649 (START_FOLD_INIT): Save and then set folding_initializer.
5650 (END_FOLD_INIT): Restore folding_initializer.
5652 2006-06-04 Richard Guenther <rguenther@suse.de>
5654 PR tree-optimization/27039
5655 * fold-const.c (fold_comparison): Handle pointer comparison
5656 again for all comparison codes. Compare offsets in signed
5658 (fold_binary): Move code from here.
5660 2006-06-03 Roger Sayle <roger@eyesopen.com>
5663 * config/i386/i386.c (construct_container): Split static issued_error
5664 flag into issued_sse_arg_error, issued_sse_ret_error and
5665 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5666 requires the use of x87 registers and the user explicitly
5667 specified the -mno-80387 command line option.
5669 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5671 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5672 HAVE_DECL_SIGALTSTACK.
5674 (segv_handler): Use MC_FLD.
5675 * configure.ac: Check for a sigaltstack declaration.
5676 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5677 * configure: Regenerate.
5678 * config.in: Regenerate.
5680 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5683 * Makefile.in (stmp-fixinc): Fix typo.
5685 2006-06-02 Roger Sayle <roger@eyesopen.com>
5687 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5688 are type correct. Clean-up.
5689 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5690 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5692 2006-06-01 DJ Delorie <dj@redhat.com>
5694 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5695 shift, as we've disabled the "switch" insn that needs it.
5697 2006-06-01 Per Bothner <bothner@bothner.com>
5699 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5700 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5701 * c-ppoutput.c (cb_define): Don't increment line 0.
5703 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5705 * doc/invoke.texi: Add cpu_type power6.
5706 * config.gcc: Add cpu_type power6.
5707 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5708 to power5+ with Altivec.
5709 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5710 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5712 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5714 * config/avr/avr.h (SET_ASM_OP): Define.
5716 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5718 * config/bfin/bfin.c: Fix comment typos.
5720 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5723 * doc/install.texi: Document --enable-bootstrap and
5724 --disable-bootstrap.
5726 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5728 * doc/install.texi: Document that InfoZIP can replace jar.
5730 2006-05-31 Roger Sayle <roger@eyesopen.com>
5732 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5733 isn't available, directly generate the simpler x87 patterns without
5734 the (use (const_int 0)).
5735 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5736 implementation isn't available.
5737 (*negdf2_1): Likewise.
5738 (*negxf2_1): XF mode negation is always done using the x87.
5739 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5741 2006-05-31 Roger Sayle <roger@eyesopen.com>
5743 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5744 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5746 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5748 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5750 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5751 * config/bfin/bfin.c (basic-block.h): Include.
5752 (struct machine_function): New.
5753 (bfin_init_machine_status): New.
5754 (override_options): Initialize init_machine_status.
5755 (bfin_hardware_loop): New.
5756 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5757 (DEF_VEC_P (loop_info)): New.
5758 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5759 (struct loop_info): New.
5760 (loop_info): New typedef.
5761 (struct loop_work): New.
5762 (loop_work): New typedef.
5763 (DEF_VEC_O (loop_work)): New.
5764 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5765 (bfin_dump_loops): New.
5766 (bfin_bb_in_loop): New.
5767 (bfin_scan_loop): New.
5768 (bfin_optimize_loop): New.
5769 (bfin_reorg_loops): New.
5770 (bfin_reorg): Use bfin_reorg_loops.
5771 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5773 (I_REGNO_P): Simplify.
5774 (DP_REGNO_P, DPREG_P): New macros.
5775 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5776 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5777 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5778 Add LT_REGS, LC_REGS, LB_REGS.
5779 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5781 (REGNO_REG_CLASS): Deal with loop registers.
5782 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5784 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5785 New constants for loop registers.
5786 (UNSPEC_LSETUP_END): New.
5787 (seq_insns): New define_attr. Set it for appropriate insns.
5788 (movsi_insn): Add alternatives for move from/to
5789 loop count registers.
5790 (doloop_end): New define_expand.
5791 (loop_end): New define_insn.
5792 (define_split for bad doloop_end): New.
5793 (lsetup_with_autoinit): New define_insn.
5794 (lsetup_without_autoinit): New define_insn.
5795 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5796 * config/bfin/predicates.md (lc_register_operand): New.
5797 (lt_register_operand): New.
5798 (lb_register_operand): New.
5799 (nondp_register_operand): New.
5800 (nondp_reg_or_memory_operand): New.
5801 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5803 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5805 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5806 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5808 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5810 * Makefile.in (CATALOGS): Add po/ prefix.
5811 * configure: Regenerated.
5813 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5816 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5817 a shift operand before calling shift_op. Avoid redundant call of
5820 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5821 DJ Delorie <dj@redhat.com>
5823 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5824 we're inserting is a singlt-bit constant.
5826 2006-05-30 Roger Sayle <roger@eyesopen.com>
5828 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5829 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5831 2006-05-30 Roger Sayle <roger@eyesopen.com>
5833 PR tree-optimization/23452
5834 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5835 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5836 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5837 complex values and with -ffast-math for FP complex values.
5839 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5841 * c-common.h: Remove the prototype for yyparse.
5842 * rtl.h: Remove the prototype for init_loop.
5844 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5846 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5849 2006-05-30 Roger Sayle <roger@eyesopen.com>
5851 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5853 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5854 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5856 2006-05-30 Dirk Mueller <dmueller@suse.de>
5859 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5860 for CONSTANT_CLASS_P expresisons.
5862 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5865 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5867 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5869 PR tree-optimization/27779
5870 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5871 initial_condition instead of CHREC_LEFT.
5873 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5875 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5876 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5877 Make prototypes ISO C90.
5879 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5880 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5882 * see.c (see_analyze_one_def): Correct check.
5883 (see_get_extension_data): Check if extension is parallel.
5884 (see_get_extension_reg): Likewise.
5886 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5889 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5890 into register for (code == GTU).
5892 2006-05-29 Roger Sayle <roger@eyesopen.com>
5894 PR tree-optimization/24964
5895 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5896 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5897 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5898 abs(x)*abs(x) as x*x for scalar floating point modes.
5900 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5903 * lambda-code.c (perfect_nestify): Don't copy statements
5904 in the inner loop: move them to the inner loop header.
5906 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5909 * c-tree.texi: Document OpenMP directives and clauses.
5911 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5913 * varasm.c (globalize_decl): Fix indentation.
5915 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5918 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5919 pass_fre, pass_store_ccp, pass_copy_prop,
5920 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5921 pass_return_slot, pass_object_size, pass_lim,
5922 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5923 pass_loop_prefetch and pass_stdarg.
5925 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5927 * config/bfin/bfin.opt (mfdpic): New option.
5928 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5929 (EXTRA_MULTILIB_PARTS): Likewise.
5930 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5931 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5933 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5934 (CRT_CALL_STATIC_FUNCTION): New.
5935 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5937 (CRT_CALL_STATIC_FUNCTION): New.
5938 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5940 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5941 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5942 (initialize_trampoline): Changed to handle FD-PIC code generation.
5943 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5944 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5945 (override_options): Disallow -mid-shared-library -mfdpic combination.
5946 Can't do unaligned ops if FD-PIC.
5947 Turn off flag_pic if trying to generate non-id-shared-library
5948 non-fdpic code, since it's not supported.
5949 (bfin_assemble_integer): New function.
5950 (TARGET_ASM_INTEGER): Define.
5951 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5953 * config/bfin/crtn.s: Restore them.
5954 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5956 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5957 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5958 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5959 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5960 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5962 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5963 FDPIC_REGS and FDPIC_FPTR_REGS.
5964 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5965 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5966 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5967 (load_funcdescsi): New pattern.
5968 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5969 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5970 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5972 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5974 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5977 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5979 * tree-flow.h: Remove the prototype for add_type_alias.
5980 * tree-ssa-alias.c (add_type_alias): Remove.
5982 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5984 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5985 config/fr30/fr30.md, config/i386/i386-interix.h,
5986 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5987 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5988 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5989 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5990 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5991 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5992 Follow spelling conventions.
5993 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5994 Follow spelling conventions.
5996 2006-05-27 Richard Guenther <rguenther@suse.de>
5999 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6000 to produce a constant of value 1 of generic type.
6002 2006-05-27 Dirk Mueller <dmueller@suse.de>
6004 * cgraphunit.c (decide_is_function_needed): Fix wrong
6007 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6009 PR rtl-optimization/27661
6010 * reload.c (find_reloads): When reloading a VOIDmode constant
6011 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6012 use Pmode as mode of the reload register.
6014 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6016 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6017 is enabled at -O and above.
6019 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6022 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6025 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6028 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6029 for anonymous variables explicitly declared by front ends.
6031 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6033 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6034 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6035 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6036 ref-all pointers, run a finalization pass for them.
6037 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6038 (finalize_ref_all_pointers): New function.
6039 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6040 regular pointer type to a ref-all pointer type.
6041 (get_tmt_for): Return the special memory tag for ref-all pointers.
6043 2006-05-25 Richard Guenther <rguenther@suse.de>
6046 * fold-const.c (fold_binary): Do not look at the stripped
6047 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6049 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6051 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6052 for LT and GT if the computed range is effectively empty.
6054 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6057 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6058 mips_quad_format formats instead of ieee_single_format,
6059 ieee_double_format and ieee_quad_format formats, respectively.
6061 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6063 PR tree-optimization/27639
6064 PR tree-optimization/26719
6065 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6066 call to scev_probably_wraps_p.
6067 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6068 used_in_pointer_arithmetic_p, convert_step): Removed.
6069 (nowrap_type_p): New function.
6070 (scev_probably_wraps_p): Rewritten.
6071 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6072 chrec_convert if chrec_convert_aggressive might have been used.
6073 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6074 scev_direction): New functions.
6075 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6076 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6077 instead of convert_step.
6078 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6079 (convert_step): Declaration removed.
6080 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6082 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6084 * df-core.c: Added to header comments.
6085 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6086 df_ur_bb_info, df_urec_bb_info): Added comments.
6087 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6088 urec, ri problems): Fixed header comments.
6089 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6090 code from df_rd_transfer_function.
6092 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6094 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6095 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6096 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6098 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6100 * expr.c (undefined_operand_subword_p): New.
6101 (emit_move_multi_word): Do not generate move from undefined bits
6102 of a paradoxical subreg.
6104 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6106 PR rtl-optimization/27736
6107 * combine.c (replaced_rhs_value): New variable.
6108 (combine_instructions): Set it.
6109 (distribute_notes): When distributing a note in replaced_rhs_insn,
6110 check whether the value was used in replaced_rhs_value.
6112 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6115 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6116 add_referenced_var instead of add_referenced_tmp_var.
6117 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6118 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6120 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6121 tree_optimize_tail_calls_1): Use add_referenced_var.
6122 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6123 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6124 Use add_referenced_var.
6125 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6126 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6127 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6128 Use add_referenced_var.
6129 * tree-dfa.c (struct walk_state): Remove.
6130 (find_referenced_vars): Remove walk state and vars_found hash table.
6131 (make_rename_temp): Use add_referenced_var.
6132 (find_vars_r): Pass less parameters to add_referenced_var.
6133 (referenced_var_p): New. Is var in referenced_var hash table.
6134 (referenced_var_insert): Assert var isn't already in hash table.
6135 (add_referenced_var): Don't need walk_state parameter. Add var if it
6136 isn't already in the hash table.
6137 (add_referenced_tmp_var): Remove.
6138 (find_new_referenced_vars_1): Use add_referenced_var.
6139 * tree-ssa-pre.c (create_expression_by_pieces,
6140 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6141 Use add_referenced_var.
6142 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6143 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6144 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6146 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6147 vect_create_data_ref_ptr, vect_create_destination_var,
6148 vect_init_vector, vect_build_loop_niters,
6149 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6150 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6151 Use add_referenced_var.
6152 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6153 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6154 (add_referenced_var): Add prototype.
6155 * tree-ssa-structalias.c (get_constraint_for,
6156 intra_create_variable_infos): Use add_referenced_var.
6158 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6160 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6161 big-endian paradoxical subregs.
6162 * var-tracking.c (struct micro_operation_def): Document that,
6163 for modify micro operations, insn is the subsequent instruction.
6164 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6165 (var_reg_set, var_mem_set): ... new functions.
6166 (add_stores): Record subsequent insn.
6167 (compute_bb_dataflow): Use new functions for MO_USE.
6168 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6169 notes after the insn, and modify notes before the insn known
6170 to be the subsequent one.
6171 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6173 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6176 * config/i386/i386.c (ix86_expand_builtin): Use
6177 gen_sse3_monitor64 for TARGET_64BIT.
6179 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6181 PR rtl-optimization/26375
6182 PR rtl-optimization/26855
6183 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6185 (df_ru_bb_local_compute): Reversed statements and removed bogus
6186 comment explaining why they should be in wrong order.
6187 (df_ru_dump, df_rd_dump): Enhanced debug info.
6188 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6190 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6191 reaching uses and fixed space problem.
6193 2006-05-23 Jan Hubicka <jh@suse.cz>
6195 * cgraphunit.c (decide_is_function_needed): Also nested functions
6196 and functions declared inline can be optimized out at -O0.
6198 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6200 * doc/install.texi (Configuration): Remove reference to CrossGCC
6204 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6207 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6208 ix86_compare_emitted is non-NULL.
6210 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6213 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6216 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6218 PR rtl-optimization/25514
6219 * combine.c (replaced_rhs_insn): New variable.
6220 (combine_instructions): Set replaced_rhs_insn when trying to replace
6221 a SET_SRC with a REG_EQUAL note.
6222 (distribute_notes): Use replaced_rhs_insn when determining the live
6223 range of a REG_DEAD register.
6225 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6226 Anatoly Sokolov <aesok@post.ru>
6228 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6229 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6230 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6231 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6232 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6233 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6234 at90usb647, at90usb1286 and at90usb1287 devices.
6235 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6236 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6238 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6240 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6242 2006-05-22 Richard Guenther <rguenther@suse.de>
6245 2006-01-31 Richard Guenther <rguenther@suse.de>
6246 Paolo Bonzini <bonzini@gnu.org>
6248 * doc/install.texi (--disable-libgcc-math): Document.
6250 2006-05-22 Richard Guenther <rguenther@suse.de>
6253 2006-01-31 Richard Guenther <rguenther@suse.de>
6255 * doc/invoke.texi (-msselibm): Document.
6256 * target.h (expand_library_builtin): New target hook.
6257 * builtins.c (expand_builtin): Use expand_library_builtin.
6258 (default_expand_library_builtin): New function.
6259 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6260 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6261 (link_gcc_math_spec): Declare.
6262 (static_specs): Add link_gcc_math_spec.
6263 * expr.h (default_expand_library_builtin): Declare.
6264 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6265 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6266 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6267 * config/i386/i386.opt (msselibm): New target option.
6268 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6269 (ix86_init_sse_abi_builtins): New function.
6270 (ix86_expand_library_builtin): Likewise.
6271 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6272 (override_options): Handle error conditions wrt -msselibm.
6273 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6274 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6275 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6278 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6281 * c-common.c (self_promoting_args_p): Skip erroneous args.
6284 * c-decl.c (finish_struct): Skip erroneous fields.
6286 2006-05-22 Nick Clifton <nickc@redhat.com>
6288 * config/cris/cris.opt (march): Remove VarExists attribute.
6289 (max-stackframe=): Likewise.
6291 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6293 * doc/rtl.texi: Fix a typo.
6294 * see.c: Fix comment typos.
6296 * tree-ssa-structalias.h (alias_info): Remove num_references.
6298 2006-05-21 Mike Stump <mrs@apple.com>
6300 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6302 (darwin_pragma_options): Use BAD instead.
6303 (darwin_pragma_unused): Likewise.
6304 (darwin_pragma_ms_struct): Likewise.
6306 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6308 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6310 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6312 PR rtl-optimization/27671
6313 * simplify-rtx.c (simplify_relational_operation_1): Fix
6314 simplifications of (eq/ne (xor x y) y) and
6315 (eq/ne (xor x y) x).
6317 PR tree-optimization/26622.
6318 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6321 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6323 * tree-cfg.c: Prune whitespace.
6324 (debug_tree_cfg): Point to correct header containing the
6327 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6330 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6332 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6335 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6336 or sorry count is non zero.
6338 2006-05-20 Andreas Schwab <schwab@suse.de>
6340 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6342 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6343 Kenneth Zadeck <zadeck@naturalbridge.com>
6345 PR rtl-optimization/26855
6347 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6349 (df_scan_alloc): Added code to properly handle multiword hard
6350 registers and add all_blocks parameter.
6351 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6352 code to properly handle multiword hard registers.
6353 (df_rescan_blocks): Added code to remove deleted blocks from
6355 (df_ref_create_structure, df_ref_record): Added code to properly
6357 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6358 and set DF_REF_PARTIAL.
6359 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6360 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6361 (df_scan_add_problem): Added flags parameter.
6362 (df_ref_create_structure): Changed switching structure.
6363 (df_bb_refs_record): Fixed case where duplicate artificial refs
6364 were created. Changed location of flags.
6365 (df_record_entry_block_defs): Added code to make stack pointer
6366 live in entry block. Refined cases where frame pointer is needed.
6367 Changed location of flags.
6368 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6369 (df_set_state): Removed function.
6370 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6371 df_insn_create_insn_record, df_insn_refs_delete,
6372 df_ref_create_structure): Formatting changes.
6373 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6374 df_delete_basic_block): New function.
6375 (df_init): Changed location of flags.
6376 (df_add_problem): Added flags parameter and the way flags are
6378 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6379 debug_df_chain): Improved debugging output.
6380 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6381 (df_refs_chain_dump): Removed df parameter.
6382 (df_iterative_dataflow): Added consistency check.
6383 (df_prune_to_subcfg): Made public.
6384 (df_analyze_problem): Added blocks_to_init parameter and made
6386 (df_ref_record, df_bb_refs_record, df_mark_reg,
6387 df_record_exit_block_uses): Whitespace changes.
6388 (df_dump): Whitespace changes.
6389 * df.h: Some reordering to remove forward references.
6390 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6391 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6392 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6393 (dataflow.flags): New field.
6394 (df.flag): Deleted field.
6395 (df_alloc_function): Added additional bitmap parameter.
6396 (df_dependent_problem_function): New type.
6397 (df_problem.changeable_flags): New field.
6398 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6399 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6400 (df_mw_hardreg): New struct.
6401 (DF_INSN_UID_MWS): New macro.
6402 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6404 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6405 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6406 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6407 (df_set_state): Removed function.
6408 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6409 * df-problems.c (df_chain_dump): Removed df parameter.
6410 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6411 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6413 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6414 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6415 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6416 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6417 DF_REF_MUST_CLOBBER cases.
6418 (df_ru_bb_local_compute_process_def,
6419 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6420 df_lr_bb_local_compute, df_ur_bb_local_compute,
6421 df_chain_create_bb): Made subreg aware.
6422 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6423 df_lr_bb_local_compute, df_lr_bb_local_compute,
6424 df_chain_create_bb): Cleanup to use proper macros.
6425 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6426 code to fixup bitvectors.
6427 (df_ri_alloc): Cleared lifetime.
6428 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6429 df_create_unused_note): New function.
6430 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6431 REG_DEAD and REG_UNUSED notes as well as register information.
6432 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6433 df_chains_dump): Fixed crash if problem was never run.
6434 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6435 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6436 df_ri_add_problem): Processes flags in uniform manner.
6437 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6438 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6439 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6440 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6441 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6442 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6443 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6444 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6445 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6446 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6447 * see.c (see_initialize_data): Ditto.
6448 * final.c (rest_of_clean_state) Added regstack_completed.
6449 * rtl.h (regstack_completed): Ditto.
6450 * reg-stack.c (regstack_completed): Ditto.
6452 2006-05-19 Mike Stump <mrs@apple.com>
6454 * c-tree.h (default_conversion): Remove.
6455 * c-common.h (default_conversion): Add.
6457 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6459 * tree-vrp.c (valid_value_p): New function.
6460 (adjust_range_with_scev): Fail if the value of bound is not
6463 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6465 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6466 (mips_fallback_frame_state): Use syscall numbers to determine
6467 the appropriate li instruction for the current ABI. Only use
6468 __NR_sigreturn for o32.
6470 2006-05-19 Nicolas Setton <setton@adacore.com>
6472 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6473 * langhooks.c (lhd_dwarf_name): New function.
6474 * langhooks-def.h (lhd_dwarf_name): Declare.
6475 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6476 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6477 * ada/misc.c (gnat_dwarf_name): New function.
6478 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6480 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6482 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6484 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6485 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6486 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6487 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6488 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6489 determine the size of Wtype, etc.
6490 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6491 (swfloatfuncs): New variable.
6492 (dwfloatfuncs): Likewise.
6493 (lib2funcs): Remove floating-point conversion functions from
6494 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6495 the set of conversion routines needed. Allow entries to specify
6496 an object name, filename and word size. Update users accordingly.
6497 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6498 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6502 2006-02-08 Roger Sayle <roger@eyesopen.com>
6505 * config/fixtfdi.c: New libgcc source file.
6506 * config/fixunstfdi.c: New source file.
6507 * config/floatditf.c: New source file.
6508 * config/floatunditf.c: New souce file.
6509 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6510 files above instead of config/mips/_tilib.c.
6511 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6513 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6515 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6516 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6518 2006-05-18 Mike Stump <mrs@apple.com>
6520 Fix up vla, vm and [*] sematics.
6526 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6527 (c_vla_unspec_p): Add.
6528 (c_vla_type_p): Add.
6529 * c-decl.c (struct c_scope): Add had_vla_unspec.
6530 (build_array_declarator): Add support for [*].
6531 (grokdeclarator): Likewise.
6532 (grokparms): Likewise.
6533 (get_parm_info): Likewise.
6534 * c-objc-common.c (c_vla_unspec_p): Likewise.
6535 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6536 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6537 typeof when argument is a variably modified type not inside sizeof or alignof.
6538 (c_parser_direct_declarator_inner): Propagate errors.
6539 (c_parser_sizeof_expression): Add support for [*].
6540 (c_parser_parms_declarator): Initialize had_vla_unspec.
6541 (c_parser_parms_list_declarator): Likewise.
6542 * c-typeck.c (c_vla_type_p): Add.
6543 (composite_type): Add support for vla compositing.
6544 (comptypes_internal): Add support for vla compatibility.
6545 (c_expr_sizeof_expr): Evaluate vla arguments.
6546 * tree.c (variably_modified_type_p): Update comment for [*].
6548 2006-05-18 Michael Matz <matz@suse.de>
6551 * config.host: Make assignments to host_xmake_file cumulative.
6552 * config.host (*-darwin*): Test $host, not $target.
6554 2006-05-12 Stuart Hastings <stuart@apple.com>
6556 * config/i386/i386.opt (-mstackrealign): New flag.
6557 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6558 (ix86_handle_cconv_attribute): Emit error when
6559 force_align_arg_pointer attribute collides with too many regparms.
6560 (ix86_function_regparm): Limit regparms when used with
6561 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6562 Support stack-realigning prologue in non-main functions. Emit
6563 warning for nested functions under -mstackrealign, emit error for
6564 nested functions with force_align_arg_pointer attribute.
6565 * doc/extend.texi (force_align_arg_pointer): Document it.
6566 * doc/invoke.texi (-mstackrealign): Document it.
6568 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6570 PR rtl-optimization/27477
6571 * combine.c (try_combine): Don't split a parallel consisting
6572 of two sets into two individual sets if both sets reference
6575 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6577 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6578 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6580 * doc/options.texi (VarExists): Updated.
6582 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6584 * unwind-dw2.c: Add declarations for uw_update_context and
6586 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6587 detected, advance frame state and context once to skip over stub.
6589 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6593 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6594 Call rewrite_into_loop_closed_ssa only when something changed.
6595 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6596 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6597 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6598 Test for perfect_nest_p here. Fix formating.
6599 (replace_uses_equiv_to_x_with_y): Fix formating.
6600 (stmt_uses_op): Removed.
6601 (can_convert_to_perfect_nest): Removed loopivs parameter.
6602 Complete the test by checking the scalar dependences.
6603 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6606 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6609 From Dan Kegel <dank@kegel.com>:
6610 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6612 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6614 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6615 if the element type is variably modified without recursing.
6617 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6620 * tree-loop-linear.c (try_interchange_loops): Test for
6621 no data dependences.
6623 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6625 PR tree-optimization/27548
6626 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6627 range of ssa names that appear on abnormal edges.
6628 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6629 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6631 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6634 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6636 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6639 * tree.h (OMP_PARALLEL_COMBINED): Define.
6640 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6641 (new_omp_context): Add is_combined_parallel argument.
6642 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6643 new_omp_context caller.
6644 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6645 Adjust gimplify_scan_omp_clauses callers.
6646 (omp_is_private): Issue errors if iteration variable is firstprivate
6647 or reduction in the current context.
6648 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6649 on combined parallel workshare constructs.
6651 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6653 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6654 (gcc-options.o): New rule.
6656 * optc-gen.awk: Protect variables for gcc-options.o with
6657 #ifdef GCC_DRIVER/#endif.
6659 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6661 Fix PR tree-optimization/27373
6662 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6663 (forward_propagate_addr_expr): Update call.
6665 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6667 * doc/options.texi: Move the Negative option.
6669 2006-05-16 Richard Guenther <rguenther@suse.de>
6671 PR tree-optimization/22303
6672 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6674 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6675 ccp_fold did not simplify the statement.
6677 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6680 * Makefile.in (GCC_OBJS): New.
6681 (OBJS-common): Add opts-common.o.
6682 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6683 (cpp$(exeext)): Likewise.
6684 (gcc.o): Also depend on opts.h.
6685 (opts-common.o): New.
6687 * common.opt (gcoff): Add Negative(gdwarf-2).
6688 (gdwarf-2): Add Negative(gstabs).
6689 (gstabs): Add Negative(gstabs+).
6690 (gstabs+): Add Negative(gvms).
6691 (gvms): Add Negative(gxcoff).
6692 (gxcoff): Add Negative(gxcoff+).
6693 (gxcoff+): Add Negative(gcoff).
6694 * config/i386/i386.opt (m32): Add Negative(m64).
6695 (m64): Add Negative(m32).
6697 * doc/options.texi: Document the Negative option.
6699 * gcc.c: Include "opts.h".
6700 (main): Call prune_options after expandargv.
6702 * optc-gen.awk: Generate common declarations for all flag
6703 variables in options.c. Output the neg_index field.
6705 * opts.c (find_opt): Moved to ...
6706 * opts-common.c: Here. New file.
6708 * opts.h (cl_option): Add a neg_index field.
6710 (prune_options): Likewise.
6712 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6715 * omp-low.c (expand_omp_parallel): Don't assert
6716 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6717 instead search for it.
6720 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6723 2006-05-16 Andreas Schwab <schwab@suse.de>
6725 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6728 2006-05-15 Roger Sayle <roger@eyesopen.com>
6731 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6732 integer constants other than zero are only legitimate on TARGET_64BIT.
6733 <CONST_VECTOR> Only zero vectors are legitimate.
6734 (ix86_cannot_force_const_mem): Integral and vector constants can
6735 always be put in the constant pool.
6737 2006-05-16 DJ Delorie <dj@redhat.com>
6739 * crtstuff.c (__dso_handle): Set section from
6740 TARGET_LBIGCC_SDATA_SECTION if defined.
6741 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6742 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6744 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6747 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6750 2006-05-16 Ben Elliston <bje@au.ibm.com>
6752 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6754 2006-05-15 Per Bothner <per@bothner.com>
6756 * tree.c: (last_annotated_node): Use source_locus typedef.
6757 This permits bootstrapping with --enable-mapped-location.
6759 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6761 PR tree-optimization/26830
6762 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6763 (info_for_ssa_name, current_info_for_ssa_name_age,
6764 blocks_to_update): New variables.
6765 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6766 (clear_ssa_name_info, initialize_flags_in_bb,
6767 mark_block_for_update): New functions.
6768 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6769 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6770 prepare_def_site_for): Use mark_block_for_update.
6771 (mark_def_interesting): Assert that the processed block is marked in
6772 blocks_to_update. Do not take blocks argument.
6773 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6775 (rewrite_update_init_block, rewrite_update_stmt): Only process
6776 blocks with statements to rewrite.
6777 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6778 (update_ssa): Initialize and free blocks_to_update. Do not
6779 clear flags on statements. Do not use blocks bitmap.
6780 * tree.h (SSA_NAME_AUX): Removed.
6781 (struct tree_ssa_name): Removed aux field.
6782 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6784 2006-05-15 Richard Guenther <rguenther@suse.de>
6786 PR tree-optimization/27603
6787 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6788 Do computations in original type.
6790 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6792 * see.c: Code style changes such as redundant paranthesis,
6793 redundant intialization of local variables etc.
6794 (see_main): Declared now as static.
6795 * doc/invoke.texi: Update that -fsee is not enabled by
6798 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6800 * omp-low.c (check_omp_nesting_restrictions): New function.
6801 (scan_omp_1): Call it.
6804 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6805 construct, return *VAR.
6807 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6809 PR rtl-optimization/27406
6810 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6813 2006-05-14 Roger Sayle <roger@eyesopen.com>
6815 PR rtl-optimization/27538
6816 * combine.c (expand_compound_operation): Call gen_lowpart
6817 before calling simplify_shift_const.
6819 2006-05-14 Roger Sayle <roger@eyesopen.com>
6821 PR rtl-optimization/22563
6822 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6823 a fixed width bitfield, always force the intermediates into psuedos.
6825 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6828 * mkconfig.sh: Use operator = instead of == for test.
6830 2006-05-13 Nick Clifton <nickc@redhat.com>
6832 * dwarf2out.c (dbx_reg_number): Check return value from
6833 LEAF_REG_REMAP and only use it if it is valid.
6834 (multiple_reg_loc_descriptor): Likewise.
6836 2006-05-13 Richard Guenther <rguenther@suse.de>
6838 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6841 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6843 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6844 information attached to non-INSNs such as NOTEs.
6845 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6847 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6849 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6851 * config/s390/s390.md: Adjust comment describing On constraint.
6853 2006-05-11 Jan Hubicka <jh@suse.cz>
6855 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6856 to be output at -O0.
6858 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6861 * fold-const.c (size_binop): Move sanity check for arguments to
6862 the beginning of the function.
6865 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6868 2006-05-11 Richard Guenther <rguenther@suse.de>
6871 * fold-const.c (fold_unary): Handle intermediate conversion
6872 to a pointer type like intermediate conversion to an integer
6873 type in folding of (T1)(T2)var to var.
6874 Match the code to the comment in the final conversion for
6875 (T1)(T2)var to (T1)var regarding to type precision. Rather
6876 than disallow T1 being of pointer type, assert that both T1
6877 and var are of pointer type or not. Make sure not to fall
6878 over the frontends lazyness wrt array to pointer decay though.
6880 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6882 * arm.c (arm_struct_value_rtx): Delete.
6883 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6884 (arm_init_cumulative_args): Always initialize nregs to zero.
6886 2006-05-10 Richard Guenther <rguenther@suse.de>
6888 PR tree-optimization/27532
6889 * tree-object-size.c (plus_expr_object_size): Fix typo.
6891 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6894 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6895 ashrdi_const, ashrdi3): Use a scratch register.
6897 2006-05-10 Richard Guenther <rguenther@suse.de>
6899 PR tree-optimization/27302
6900 * fold-const.c (operand_equal_p): For two comparisons,
6901 try comparison of one comparison code swapped if that yields
6904 2006-05-10 Ben Elliston <bje@au.ibm.com>
6906 * tree-pretty-print.c (pretty_print_string): No need to handle
6907 '\0' as a special character.
6909 * tree.h: Include "hashtab.h".
6910 (iterative_hash_expr): Use hashval_t in its prototype.
6911 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6913 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6916 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6917 (hppa*64*-*-hpux11*): Ditto.
6918 (hppa[12]*-*-hpux11*): Ditto.
6920 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6923 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6925 2006-05-09 Michael Matz <matz@suse.de>
6927 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6928 host_extra_gcc_objs and host_xmake_file.
6929 (<*-*-linux*>): Don't overwrite host_xmake_file.
6930 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6931 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6932 (host_detect_local_cpu): Declare.
6933 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6934 * config/i386/i386.c (override_options): Handle -mtune=native
6936 * config/i386/x-i386: New file.
6937 * config/i386/driver-i386.c: New file.
6938 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6941 2006-05-09 Dirk Mueller <dmueller@suse.de>
6942 Richard Guenther <rguenther@suse.de>
6945 * fold-const.c (fold_read_from_constant_string): Relax check
6946 for matching types to matching modes.
6948 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6950 PR rtl-optimization/27335
6951 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6954 2006-05-08 Chao-ying Fu <fu@mips.com>
6955 Richard Sandiford <richard@codesourcery.com>
6957 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6958 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6959 * config/mips/mips.md (UNSPEC_SCC): New constant.
6960 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6961 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6962 (mips_emit_compare): Use it.
6963 (mips_expand_vcondv2sf): New function.
6965 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6967 Fix PR tree-optimization/27093
6968 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6969 renaming when they become not-used_alone.
6971 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6973 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6974 relocation and relocation stubs.
6976 2006-05-08 Eric Christopher <echristo@apple.com>
6978 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6981 2006-05-08 Jan Hubicka <jh@suse.cz>
6984 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6985 unused static functions are needed.
6987 2006-05-08 Roger Sayle <roger@eyesopen.com>
6990 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6991 of a reg_equiv_constant if the result is a legitimate constant.
6993 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6996 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6997 standard 80387 constants, raise the cost to prevent
6998 compress_float_constant() to generate load from memory.
7000 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7002 * config/arm/constraints.md (c): Fix a typo.
7004 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7007 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7010 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7012 (_mm_mwait): Likewise.
7014 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7016 (sse3_monitor): Make it 32bit only.
7017 (sse3_monitor64): New. 64bit monitor.
7019 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7022 * config/i386/i386.c (classify_argument): Skip fields with invalid
7025 2006-05-07 Richard Guenther <rguenther@suse.de>
7027 PR tree-optimization/27409
7028 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7029 Do not try to find zero-sized subvars.
7031 2006-05-07 Richard Guenther <rguenther@suse.de>
7033 PR tree-optimization/27136
7034 * tree-ssa-loop-niter.c (get_val_for): Correct function
7035 comment, assert requirements.
7036 (loop_niter_by_eval): Stop processing if the iterated
7037 value did not simplify.
7039 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7041 * opts.c (flag_see): remove its setting at -O3.
7043 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7045 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7046 * arm/constraints.md: New file.
7047 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7048 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7049 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7050 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7051 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7052 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7053 * arm.md: Include constraints.md.
7054 (thumb_movsi_insn): Use satisfies_constraint_J.
7055 (movhi, movqi): Use satisfies_constraint_I.
7057 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7059 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7060 for atmeg a645 device.
7062 2006-05-06 Richard Guenther <rguenther@suse.de>
7064 PR tree-optimization/27151
7065 * tree-vect-transform.c (vectorizable_condition): Punt on
7066 values that have a different type than the condition.
7068 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7071 * c-parser.c (c_parser_cast_expression): Only insert casts into
7072 hash table if pointer.
7073 * function.c (used_types_insert_helper): Rename from
7075 (used_types_insert): Call used_types_insert_helper.
7076 * function.h (used_types_insert): Accept only one argument.
7078 2006-05-05 David Edelsohn <edesohn@gnu.org>
7080 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7081 scratch with output modifier.
7083 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7086 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7087 with output modifier.
7089 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7092 * config/mips/mips.c (mips_symbolic_address_p): Return true
7093 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7094 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7096 2006-05-04 Richard Guenther <rguenther@suse.de>
7098 PR tree-optimization/14287
7099 PR tree-optimization/14844
7100 PR tree-optimization/19792
7101 PR tree-optimization/21608
7102 PR tree-optimization/27090
7103 * tree-ssa-pre.c (try_combine_conversion): New function.
7104 (compute_avail): After constructing the value-handle
7105 expression, use try_combine_conversion to combine NOP_EXPRs
7106 with previous value-handle expressions and use the result if it
7109 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7111 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7113 2006-05-04 Jan Hubicka <jh@suse.cz>
7116 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7118 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7120 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7121 that this only matches CONST_INTs. All users changed to VOIDmode
7124 * config/bfin/bfin.c: Include "optabs.h".
7125 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7127 (enum bfin_builtins): Add a number of fractional and vector builtins.
7128 (bfin_init_builtins): Likewise.
7129 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7130 (safe_vector_operand, bfin_expand_binop_builtin,
7131 bfin_expand_unop_builtin): New functions.
7132 (bfin_expand_builtin): Handle the new builtins.
7133 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7136 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7139 * Makefile.in (OBJS-common): Add see.o.
7140 (see.o): Add dependencies.
7141 * common.opt (fsee): New flag for the see optimization was added.
7142 * opts.c (flag_see): Initialized.
7143 * passes.c (init_optimization_passes, pass_see): New pass.
7144 * rtl.h (see_main): Declaration as extern.
7145 * timevar.def (TV_SEE): New.
7146 * tree-pass.h (pass_see): Declaration as extern.
7147 * invoke.texi (-fsee): Document.
7148 * recog.c (validate_simplify_insn): New function.
7149 * recog.h (validate_simplify_insn): Declaration as extern.
7150 * df-problems.c (df_chain_dump): Check for NULL.
7152 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7153 Daniel Berlin <dberlin@dberlin.org>
7155 * cfgrtl.c (insert_insn_bb_end_new): New function.
7156 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7158 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7160 * df.h (struct web_entry): Moved from web.c.
7161 (union_defs): Declaration as extern.
7162 (unionfind_root): Likewise.
7163 (unionfind_union): Likewise.
7164 * web.c (struct web_entry): Moved to df.h.
7165 (unionfind_root): Remove static declaration.
7166 (unionfind_union): Likewise.
7167 (union_defs): Likewise and generalize to use callback function.
7168 (web_main): Update arguments for union_defs function call.
7170 2006-05-04 Richard Guenther <rguenther@suse.de>
7172 PR tree-optimization/26447
7173 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7174 produce SSA_NAME copies before the store stmt to avoid
7175 breaking exception handling.
7177 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7180 * gimplify.c (omp_is_private): If var is shared in some outer context,
7181 return false instead of true. Stop searching on parallel context
7184 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7187 * coverage.c: Use get_gcov_unsigned_t() instead of
7188 unsigned_type_node all over.
7190 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7192 PR tree-optimization/27381
7193 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7194 maintain the same immediate_use links.
7195 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7196 node rather than segfaulting.
7198 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7201 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7202 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7203 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7205 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7207 Fix PR tree-optimization/26626
7208 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7210 * tree-ssa-operands.c (access_can_touch_variable): Allow
7211 typecasting through union pointers.
7213 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7216 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7217 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7218 to find if var will be a global variable even in the nested context.
7219 (omp_copy_decl): Only check for global variable at the end, it might
7220 be overridden in outer contexts.
7221 (scan_sharing_clauses): For global variables don't create a field.
7222 (lower_rec_input_clauses): Do nothing for global shared variables.
7223 Emit a barrier at the end of ILIST if there were any decls in both
7224 firstprivate and lastprivate clauses.
7225 (lower_send_clauses): Do nothing for global variables except for
7228 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7230 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7231 of the correct signedness is returned.
7233 2006-05-02 Jeff Law <law@redhat.com>
7235 PR tree-optimization/27364
7236 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7237 multiply expressions.
7239 2006-05-02 Tom Tromey <tromey@redhat.com>
7241 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7243 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7246 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7247 -mthumb -fPIC are used.
7249 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7250 Joshua Kinard <kumba@gentoo.org>
7253 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7254 with 64-bit pointers.
7256 2006-05-02 Paul Brook <paul@codesourcery.com>
7258 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7260 (create_fix_barrier): Check that a suitable barrier location is
7262 (arm_reorg): Include ftmp->address in allowable range of addresses.
7264 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7267 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7270 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7273 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7274 around RESULT_DECL for result passed by reference.
7275 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7276 * omp-low.c (use_pointer_for_field): Don't look at
7277 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7278 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7279 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7280 time or var for passing by reference for
7281 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7282 TREE_ADDRESSABLE variables when passing by reference.
7284 * omp-low.c (dump_omp_region): Fix output formatting.
7287 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7288 (expand_omp_parallel): Likewise.
7289 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7292 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7293 on statement list containing also constructors and destructors.
7294 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7297 * except.c (duplicate_eh_regions): Fix clearing of
7298 cfun->eh->region_array entries.
7300 2006-05-01 DJ Delorie <dj@redhat.com>
7302 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7304 (gcc_cv_objdump): Likewise.
7305 * configure: Regenerated.
7307 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7310 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7311 templates for case 3 and 4.
7313 2006-05-01 DJ Delorie <dj@redhat.com>
7315 * vec.c: Include bconfig.h when appropriate.
7316 * Makefile.in (build/vec.o): Adjust dependencies.
7317 * mkconfig.sh: Make sure config.h isn't used for build machine
7320 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7322 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7324 (mark_phi_for_rewrite): New function.
7325 (insert_phi_nodes_for, mark_use_interesting): Call
7326 mark_phi_for_rewrite.
7327 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7328 (update_ssa): Initialize and free phis_to_rewrite.
7330 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7332 PR rtl-optimization/27291
7333 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7334 folded to a constant.
7336 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7338 PR tree-optimization/27283
7339 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7340 not whole # of iteration descriptions.
7341 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7342 uses abnormal ssa name.
7343 (niter_for_single_dom_exit): Ditto.
7344 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7345 return just the number of iterations.
7347 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7349 PR tree-optimization/27144
7350 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7351 (record_estimate): Only record constant upper bound.
7352 (infer_loop_bounds_from_undefined): Call
7353 compute_estimated_nb_iterations just once.
7354 (proved_non_wrapping_p): Renamed to ...
7355 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7356 (convert_step_widening, scev_probably_wraps_p): Call
7357 n_of_executions_at_most instead of proved_non_wrapping_p.
7358 (substitute_in_loop_info): Do not replace values in bounds.
7359 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7362 2006-05-01 Richard Henderson <rth@redhat.com>
7365 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7366 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7369 2006-05-01 Roger Sayle <roger@eyesopen.com>
7371 * c-typeck.c (parser_build_binary_op): Don't call the function
7372 unsigned_conversion_warning to spot operand/result type overflow.
7373 (build_binary_op): Instead, call convert_and_check instead of
7374 convert to report the problem when the operands are promoted.
7375 * c-common.c (unsigned_conversion_warning): Make static.
7376 * c-common.h (unsigned_conversion_warning): Delete prototype.
7378 2006-05-01 Richard Guenther <rguenther@suse.de>
7380 PR tree-optimization/26726
7381 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7383 (find_interesting_uses_address): ... we work around here
7384 by folding INDIRECT_REFs in the substituted base.
7386 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7388 * omp-low.c (dump_omp_region): Add newlines.
7390 2006-04-30 Roger Sayle <roger@eyesopen.com>
7392 * common.opt (Woverflow): New command line option.
7393 * c-common.c (constant_expression_warning): Check warn_overflow.
7394 (overflow_waring): Pass OPT_Woverflow to warning.
7395 (unsigned_conversion_warning): Likewise.
7396 (convert_and_check): Likewise.
7397 * doc/invoke.texi: Document new command line option.
7399 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7401 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7402 TARGET_NO_FP_IN_TOC for section anchors.
7403 (optimization_options): Enable section anchors for all
7404 non-"Objective" languages.
7406 2006-04-28 Eric Christopher <echristo@apple.com>
7408 * config/darwin-c.c (darwin_ms_struct): Move this
7409 (darwin_set_default_type_attributes): and this...
7410 * config/darwin.c: ... here.
7411 * config/darwin.h (darwin_ms_struct): Declare.
7413 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7415 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7417 2006-04-28 Roger Sayle <roger@eyesopen.com>
7420 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7421 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7422 an unsigned HOST_WIDE_INT.
7423 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7425 (really_start_incremental_init): No need to call convert because
7426 bitsize_zero_node is already of type bitsizetype.
7427 (push_init_level): Extract the value of constructor_index as an
7428 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7429 (process_init_element): Likewise.
7431 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7433 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7434 value before passing to make_relative_prefix.
7436 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7439 * builtins.c (expand_builtin_memset): Expand val in original mode.
7441 2006-04-27 Eric Christopher <echristo@apple.com>
7443 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7444 with #ifndef/#endif.
7445 * config/darwin-c.c (darwin_ms_struct): New.
7446 (darwin_pragma_ms_struct): Ditto.
7447 (darwin_set_default_type_attributes): Ditto.
7448 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7449 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7450 Register ms_struct pragma.
7451 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7452 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7453 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7454 darwin_set_default_type_attributes if TARGET_MACHO.
7456 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7458 PR tree-optimization/26854
7459 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7460 * doc/tree-ssa.texi: Update immuse iterator documentation.
7461 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7462 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7463 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7464 first_safe_imm_use, next_safe_imm_use): Remove.
7465 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7466 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7467 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7468 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7469 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7470 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7471 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7472 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7473 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7474 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7475 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7476 (perfect_nestify): Use new iterator.
7477 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7479 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7480 (next_imm_name): New field in struct immediate_use_iterator_d.
7481 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7482 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7483 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7484 * tree-cfg.c (replace_uses_by): Use new iterator.
7485 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7486 * tree-ssa-operands.c (correct_use_link): Remove.
7487 (finalize_ssa_use_ops): No longer call correct_use_link.
7489 2006-04-27 Stuart Hastings <stuart@apple.com>
7491 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7492 * config/t-darwin (crt3.o): Use it.
7493 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7494 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7495 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7496 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7497 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7500 2006-04-27 Roger Sayle <roger@eyesopen.com>
7502 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7503 size, force the intermediate into a new pseudo rather instead of
7504 performing both a bitwise AND and a bitwise IOR in memory.
7506 2006-04-27 Richard Guenther <rguenther@suse.de>
7508 PR rtl-optimization/26685
7509 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7510 this one "max-flow-memory-locations".
7512 2006-04-27 Richard Guenther <rguenther@suse.de>
7514 PR tree-optimization/25148
7515 * tree-vrp.c (compare_values): Remove code dealing with
7516 comparisons against type min/max value. Honour overflow
7517 and negative constants in code dealing with comparisons
7518 of plus and minus expressions.
7519 (value_inside_range): Use fold_binary with LE_EXPR and
7520 GE_EXPR rather than compare_values.
7522 2006-04-27 Dirk Mueller <dmueller@suse.de>
7524 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7527 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7529 * basic-block.h (safe_insert_insn_on_edge): Removed.
7530 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7532 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7533 Paolo Bonzini <bonzini@gnu.org>
7536 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7537 (simplify_and_const_int): Same.
7539 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7541 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7543 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7546 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7547 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7548 cgraph_global_info_ready.
7551 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7554 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7555 either decl or init is error_mark_node.
7558 * tree-flow.h (struct omp_region): Add sched_kind.
7559 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7560 instead of extracting omp for data.
7561 (expand_omp_for): Save extracted sched_kind.
7563 2006-04-25 Roger Sayle <roger@eyesopen.com>
7565 * expmed.c (store_bit_field): Also check whether the bitsize is
7566 valid for the machine's "insv" instruction before moving the
7567 target into a pseudo for use with the insv.
7568 * config/i386/predicates.md (const8_operand): New predicate.
7569 * config/i386/i386.md (extv, extzv, insv): Use the new
7570 const8_operand predicate where appropriate.
7572 2006-04-25 DJ Delorie <dj@redhat.com>
7574 * doc/install.texi (Specific): Clarify that this is not a list of
7575 supported hosts or targets.
7577 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7579 PR rtl-optimization/26725
7580 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7581 block's BB_DIRTY flag.
7583 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7585 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7588 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7589 to print an integer.
7591 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7593 * varasm.c (align_variable): New function.
7594 (get_block_for_decl): Apply align_variable to DECL before
7595 calculating section information.
7596 (assemble_variable): Split out alignment computation.
7598 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7600 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7603 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7605 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7606 MODE_PARTIAL_INT mode.
7607 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7608 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7610 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7611 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7613 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7615 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7617 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7618 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7619 MACFLAG_IH): Likewise.
7620 (movstricthi_1): Renamed from "*movstricthi".
7621 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7622 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7623 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7624 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7625 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7626 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7627 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7628 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7629 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7630 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7631 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7632 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7633 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7634 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7635 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7637 * doc/rtl.texi (ss_ashift): Improve wording.
7639 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7641 * dwarf2out.c (verify_marks_clear): New.
7642 (prune_unused_types): Call verify_marks_clear initially, not
7645 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7647 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7648 * doc/rtl.texi: Document them.
7649 * simplify-rtx.c (simplify_unary_operation,
7650 simplify_binary_operation_1): Don't abort when we see them.
7652 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7655 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7656 * configure.ac: Completely disregard languages that are not
7658 * configure: Regenerated.
7660 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7661 Richard Guenther <rguenther@suse.de>
7663 PR tree-optimization/27236
7664 * tree-inline.c (copy_body_r): Make sure to copy
7665 TREE_THIS_VOLATILE flag.
7667 2006-04-24 Richard Guenther <rguenther@suse.de>
7670 * tree-complex.c (update_parameter_components): Don't handle
7671 unused parameters which have no default def.
7673 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7674 Richard Guenther <rguenther@suse.de>
7676 PR tree-optimization/27218
7677 * tree-inline.c (expand_call_inline): Strip useless type
7678 conversions for the return slot address.
7680 2006-04-24 Richard Guenther <rguenther@suse.de>
7682 * cfgloop.h (struct loops): Remove unused field array. Reorder
7684 (LOOP_PREFETCH): Remove.
7686 2006-04-24 Richard Guenther <rguenther@suse.de>
7688 PR tree-optimization/22525
7689 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7690 variable, adjust types of generated expressions.
7692 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7694 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7695 (tree-vect-patterns.o): Likewise.
7697 (cselib.o): Likewise.
7698 (loop-doloop.o): Likewise.
7699 (regclass.o): Likewise.
7700 (reload1.o): Likewise.
7701 (explow.o): Replace target.h with $(TARGET_H).
7702 (ipa-prop.o): Likewise.
7703 (ipa-cp.o): Likewise.
7704 (ipa-inline.o): Likewise.
7705 (reorg.o): Likewise.
7706 (reg-stack.o): Likewise.
7708 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7710 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7712 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7714 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7716 * configure.ac: Completely disregard languages that are not
7718 * configure: Regenerated.
7721 * c-common.h (c_build_bitfield_integer_type): Declare.
7722 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7723 * c-common.c (c_build_bitfield_integer_type): ... here.
7725 2006-04-23 Roger Sayle <roger@eyesopen.com>
7728 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7729 a SImode SUBREG of a floating point register after no_new_pseudos.
7731 2006-04-23 Roger Sayle <roger@eyesopen.com>
7733 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7734 identify potentially eliminable registers to additionally catch
7735 VIRTUAL_INCOMING_ARGS_REGNUM.
7736 (addsi3): Update the conditions on when to use addsi_small_int.
7738 2006-04-23 Roger Sayle <roger@eyesopen.com>
7741 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7742 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7743 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7745 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7747 * fold-const.c (range_predecessor): Use operand_equal_p
7748 as the predicate for equality.
7749 (range_successor): Likewise.
7751 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7754 * config/soft-fp/op-common.h: Fix a typo.
7756 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7759 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7760 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7762 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7764 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7766 * doc/tm.texi: Fix a typo.
7768 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7770 * dwarf2out.c (struct die_struct): Document that die_sib makes
7771 a circular linked list.
7772 (FOR_EACH_CHILD): New.
7773 (reverse_die_lists): Delete.
7774 (reverse_all_dies): Delete.
7775 (add_dwarf_attr): Correct documentation.
7776 (remove_child_with_prev): New.
7777 (remove_child_TAG): Update for change to die_struct, use
7778 remove_child_with_prev.
7779 (add_child_die): Update for change to die_struct.
7780 (splice_child_die): Use remove_child_with_prev and add_child_die.
7781 (print_die): Use FOR_EACH_CHILD.
7782 (die_checksum): Likewise.
7783 (assign_symbol_names): Likewise.
7784 (output_location_lists): Likewise.
7785 (build_abbrev_table): Likewise.
7786 (calc_die_sizes): Likewise.
7787 (mark_dies): Likewise.
7788 (unmark_dies): Likewise.
7789 (unmark_all_dies): Likewise.
7790 (output_die): Likewise.
7791 (prune_unused_types_mark): Likewise.
7792 (prune_unused_types_walk): Likewise.
7793 (same_die_p): Update for change to die_struct.
7794 (break_out_includes): Likewise.
7795 (prune_unused_types_prune): Likewise.
7796 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7797 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7799 (dwarf2out_finish): Don't call reverse_all_dies.
7801 2006-04-21 Eric Christopher <echristo@apple.com>
7803 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7804 in comments and function names.
7806 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7809 * c-typeck.c (digest_init): Robustify.
7811 * c-typeck.c (pop_init_level): Simplify.
7813 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7815 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7817 2006-04-21 Paul Brook <paul@codesourcery.com>
7819 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7820 hardware floating point.
7822 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7824 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7827 2006-04-21 Nick Clifton <nickc@redhat.com>
7829 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7832 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7835 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7836 C++ lang type in traceback table for Objective-C++.
7838 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7840 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7842 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7844 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7847 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7848 were errors. Remove check for erroneous objects.
7850 2006-04-20 Jeff Law <law@redhat.com>
7852 PR tree-optimization/26854
7853 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7854 checking for zero or one use.
7855 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7856 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7857 * tree-ssa-reassoc.c (negate_value): Similarly.
7858 (reassociate_bb): Similarly.
7860 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7862 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7863 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7864 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7866 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7868 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7869 fp regs if the last fp arg doesn't fit in regs.
7871 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7874 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7875 that the last insn has the REG_INC note.
7877 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7878 Nathan Sidwell <nathan@codesourcery.com>
7881 * stor-layout.c (update_alignment_for_field): Do not align
7883 (place_union_field): Place union field at the start of the union.
7884 (place_field): Move ERROR_MARK check later, and use the current
7885 allocation position to maintain monotonicity.
7887 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7889 * dominance.c: Include timevar.h.
7890 (calculate_dominance_info): Use TV_DOMINANCE.
7891 * timevar.def (TV_DOMINANCE): New timevar.
7892 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7894 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7896 PR rtl-optimization/14261
7897 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7898 move would be an INSV insn.
7899 (noce_process_if_block): Don't optimize if the destination is a
7900 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7902 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7904 * config/s390/s390.md: Add comments with the instructions emitted
7905 by an insn pattern if macros are used.
7907 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7909 PR rtl-optimization/26026
7910 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7911 is a known power of two shifted left a variable amount.
7913 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7915 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7916 to hash table twice when the debug_str section has SECTION_MERGE.
7918 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7920 * config/soft-fp: New directory. From glibc.
7921 * config/soft-fp/t-softfp: New.
7922 * config/soft-fp/README: New.
7923 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7924 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7925 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7926 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7927 * config.gcc: Use rs6000/t-fprules-fpbit or
7928 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7930 * config/rs6000/sfp-machine.h: New. Based on glibc.
7931 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7933 * config/rs6000/t-fprules: Remove fp-bit rules.
7934 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7935 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7936 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7937 (softfp_wrap_start, softfp_wrap_end): New.
7939 2006-04-18 DJ Delorie <dj@redhat.com>
7941 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7943 2006-04-18 Devang Patel <dpatel@apple.com>
7945 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7947 2006-04-18 Nick Clifton <nickc@redhat.com>
7949 * config/sh/t-symbian: Add rule to build sh-c.o
7950 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7951 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7952 (sh_symbian_encode_section_info): Likewise.
7954 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7956 * builtins.c (expand_builtin_strcmp): Cover label definition of
7957 do_libcall with HAVE_cmpstrnsi.
7959 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7961 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7963 * function.h (temp_slot_p): New.
7964 (function): Change the type of x_used_temp_slots to
7965 VEC(temp_slot_p,gc) *.
7967 2006-04-18 Nick Clifton <nickc@redhat.com>
7969 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7970 flag_strength_reduce.
7972 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7974 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7978 Partial revert of revision 112637
7979 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7980 Dale Johannesen <dalej@apple.com>
7983 * regclass.c (struct reg_pref): Update documentation.
7984 (regclass): Set prefclass to NO_REGS if memory is the best option.
7985 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7987 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7989 PR tree-optimization/26821
7990 * tree-ssa-math-opts.c (get_constant_one): New.
7991 (insert_reciprocals): Use it.
7993 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7995 * dwarf2out.c (free_AT): Delete.
7996 (remove_AT): Update string ref counts.
7997 (remove_child_TAG): Don't call free_die.
7999 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8000 or DW_TAG_GNU_EINCL.
8001 (prune_unused_types_walk_attribs): Reset string refcounts.
8002 (prune_unused_types_update_strings): New.
8003 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8004 call free_die. Do call prune_unused_types_update_strings.
8005 (prune_unused_types): Empty debug_str_hash.
8007 2006-04-17 Roger Sayle <roger@eyesopen.com>
8009 * expr.c (expand_assignment): Optimize away no-op moves where the
8010 source and destination are equal and have no side-effects.
8012 2006-04-17 Richard Guenther <rguenther@suse.de>
8015 * reload.c (push_reload): Guard calls to get_secondary_mem
8018 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8020 * alias.c (reg_base_value, old_reg_base_value): Change the
8021 type to VEC(rtx,gc) *.
8022 (REG_BASE_VALUE, find_base_value, record_set,
8023 init_alias_analysis): Use VEC instead of VARRAY.
8025 * alias.c (alias_sets): Change the type to
8026 VEC(alias_set_entry,gc) *.
8027 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8028 VEC instead of VARRAY.
8029 (last_alias_set): Remove.
8031 * cgraph.h (cgraph_edge_p): New.
8032 Update the prototype of cgraph_function_versioning.
8033 * cgraphunit.c (cgraph_copy_node_for_versioning,
8034 cgraph_function_versioning): Use VEC instead of VARRAY.
8035 * ipa-cp.c (ipcp_insert_stage): Likewise.
8037 2006-04-16 Roger Sayle <roger@eyesopen.com>
8040 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8041 "A op B" or "A op C", we may need to convert A to the type of B and C.
8043 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8045 * target.h (struct gcc_target): Add mode_rep_extended.
8046 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8047 (init_num_sign_bit_copies_in_rep): Initialize it using
8049 (truncate_to_mode): Use it.
8050 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8051 * targhooks.h (default_mode_rep_extended): Declare it.
8052 * targhooks.c (default_mode_rep_extended): Define it.
8053 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8054 default_mode_rep_extended.
8055 (TARGET_INITIALIZER): Include it.
8056 * doc/tm.texi (Misc): Document it.
8057 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8058 (mips_truncated_to_mode): New function.
8060 2006-04-16 Roger Sayle <roger@eyesopen.com>
8063 * expr.c (compress_float_constant): Copy the narrow constant into
8064 a new pseudo before extending it to its final width.
8066 2006-04-16 Roger Sayle <roger@eyesopen.com>
8067 Andrew Pinski <pinskia@gcc.gnu.org>
8068 Dale Johannesen <dalej@apple.com>
8071 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8072 special case code to implement V8HImode and V16QImode with SSE2.
8074 2006-04-15 Roger Sayle <roger@eyesopen.com>
8076 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8077 trees are constructed with a suitable tree type.
8079 2006-04-15 Roger Sayle <roger@eyesopen.com>
8081 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8082 (integer_onep): Likewise.
8083 (integer_all_onesp): Likewise.
8084 (integer_pow2p): Likewise.
8085 (integer_nonzerop): Likewise.
8086 (real_zerop): Likewise.
8087 (real_onep): Likewise.
8088 (real_twop): Likewise.
8089 (real_minus_onep): Likewise.
8090 (int_size_in_bytes): Likewise.
8091 (host_integerp): Likewise.
8093 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8095 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8096 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8097 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8099 * tree-ssa-structalias.h (alias_info): Remove num_references.
8101 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8103 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8104 (output_bvb patterns): Likewise.
8105 * pa.c (output_bb): Use 'bb' insn for long branch case.
8106 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8107 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8108 1. Correct length operand for alternatives 1 and 2.
8109 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8110 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8112 2006-04-14 Roger Sayle <roger@eyesopen.com>
8114 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8115 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8116 were accidentally reverted by r112959.
8118 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8121 * except.h (eh_region_outermost): New prototype.
8122 * except.c (eh_region_outermost): New function.
8123 * tree-cfg.c (find_outermost_region_in_block): Use it.
8125 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8127 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8129 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8130 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8131 (init_reload, reload): Use VEC instead of VARRAY.
8132 * reload.h: Update the prototype for
8133 reg_equiv_memory_loc_varray.
8135 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8136 Eric Botcazou <ebotcazou@libertysurf.fr>
8138 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8141 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8144 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8145 to expand fallback builtin function call.
8147 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8150 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8151 and emit libcall here in case the builtin fails.
8152 (expand_builtin_strcmp): Always emit the libcall here on failure.
8154 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8156 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8157 * flow.c (reg_n_info): Change the type to
8158 VEC(reg_info_p,heap) *.
8159 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8161 * regs.h (reg_info_p): New.
8162 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8163 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8164 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8167 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8169 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8171 * params.h (MAX_SCHED_READY_INSNS): New macro.
8172 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8173 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8174 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8175 the ready list for 1 cycle during the first scheduling pass.
8176 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8178 2006-04-13 Richard Henderson <rth@redhat.com>
8181 * gimple-low.c (lower_omp_directive): Remove dead code.
8182 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8183 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8184 * omp-low.c (struct omp_region): Move to tree-flow.h.
8185 (root_omp_region): Export.
8186 (omp_regions, lookup_omp_region): Remove.
8187 (determine_parallel_type): Update for struct omp_region changes.
8188 (dump_omp_region): Dump regions with block numbers.
8189 (new_omp_region): Take type and block instead of stmt; malloc
8191 (free_omp_region_1, free_omp_regions): New.
8192 (expand_parallel_call): Take entry_stmt as argument; update for
8193 changes to omp_region.
8194 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8195 (remove_exit_barriers): New.
8196 (expand_omp_parallel): Update for struct omp_region changes.
8197 (expand_omp_synch): Likewise.
8198 (expand_omp): Likewise.
8199 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8200 (expand_omp_for_static_chunk): Likewise.
8201 (expand_omp_for): Likewise.
8202 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8203 (expand_omp_sections): Similarly, with GOMP_sections_end.
8204 (expand_omp_single): New.
8205 (build_omp_regions_1): Update for OMP_CONTINUE.
8206 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8207 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8208 OMP_SECTIONS_SECTIONS.
8209 (lower_omp_single_simple): Don't emit barrier here.
8210 (lower_omp_single_copy): Likewise.
8211 (lower_omp_single): Fix bindings, and lower to straightline now.
8212 (lower_omp_master, lower_omp_ordered): Likewise.
8213 (lower_omp_critical): Likewise.
8214 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8215 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8216 omp edges, free it afterward.
8217 (make_omp_sections_edges): Remove.
8218 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8219 (move_stmt_r): Handle OMP_CONTINUE.
8220 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8221 statement pointers to basic blocks. Add type member.
8222 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8223 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8224 * tree-inline.c (estimate_num_insns_1): Likewise.
8225 * tree-pretty-print.c (dump_generic_node): Likewise.
8226 * tree-ssa-operands.c (get_expr_operands): Likewise.
8227 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8228 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8229 (OMP_CONTINUE): New.
8230 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8231 (OMP_SECTIONS_SECTIONS): Remove.
8232 (OMP_SECTION_LAST): New.
8233 (OMP_RETURN_NOWAIT): New.
8235 2006-04-13 Roger Sayle <roger@eyesopen.com>
8237 * fold-const.c (native_encode_vector, native_interpret_real):
8238 Correct obvious mistakes in the previous check-in.
8240 2006-04-13 Roger Sayle <roger@eyesopen.com>
8242 * fold-const.c (native_encode_expr): New function to encode
8243 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8244 or VECTOR_CST into a specified buffer.
8245 (native_encode_int): New function.
8246 (native_encode_real): New function.
8247 (native_encode_complex): New function.
8248 (native_encode_vector): New function.
8249 (native_interpret_expr): Inverse of native_encode_expr to convert
8250 a target representation into an INTEGER_CST, REAL_CST etc...
8251 (native_interpret_int): New function.
8252 (native_interpret_real): New function.
8253 (native_interpret_complex): New function.
8254 (native_interpret_vector): New function.
8255 (fold_view_convert_expr): New function to constant fold/evaluate
8256 a VIEW_CONVERT_EXPR of a suitable constant expression.
8257 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8258 Change call of build1 to fold_build1 when constructing a
8261 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8262 Ulrich Weigand <uweigand@de.ibm.com>
8265 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8268 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8271 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8272 optimize to lo_sum for DFmode if !TARGET_FPRS.
8274 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8276 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8277 delete_alias_info, compute_flow_sensitive_aliasing,
8278 group_aliases): Use VEC instead of VARRAY.
8279 * tree-ssa-structalias.c (update_alias_info): Likewise.
8280 * tree-ssa-structalias.h (alias_info): Change the type of
8281 processed_ptrs to VEC(tree,heap) *.
8283 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8286 * config/sh/lib1funcs.h: New file, broken out of:
8287 * config/sh/lib1funcs.asm.
8288 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8290 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8291 * config/sh/lib1funcs-Os-4-200.asm: New file.
8292 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8293 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8294 (EXTRA_MULTILIB_PARTS): Include it.
8295 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8296 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8297 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8298 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8301 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8303 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8304 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8305 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8307 * tree-ssa-live.h: Include vecprim.h.
8308 (tree_partition_associator_d): Change the type of
8309 first_partition to VEC(int,heap) *.
8310 (tpa_first_partition): Use VEC instead of VARRAY.
8312 * Makefile.in (GTFILES): Move functions.h after tree.h.
8313 * function.c (reset_block_changes, record_block_change,
8314 check_block_change, free_block_changes): Use VEC instead of
8316 * function.h (function): Change the type of
8317 ib_boundaries_block to VEC(tree,gc) *.
8318 * tree-inline.c (copy_cfg_body): Initialize
8319 ib_boundaries_block to NULL instead of (varray_type) 0.
8321 2006-04-12 Roger Sayle <roger@eyesopen.com>
8323 * expr.c (emit_group_store): Correct operand order in call to
8324 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8325 a SUBREG_BYTE of zero.
8327 2006-04-12 Richard Guenther <rguenther@suse.de>
8329 * profile.c (compute_branch_probabilities): Remove code
8330 encapsulated in !ir_type (), which are remanents of the
8331 removed RTL profiling code.
8332 * rtl-profile.c: Remove.
8334 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8336 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8337 magic NULL_RTX comment.
8338 (function_arg): Store entire fp arg to mem if any part should go
8340 (rs6000_arg_partial_bytes): Adjust for above change.
8342 2006-04-11 Roger Sayle <roger@eyesopen.com>
8344 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8345 if it hasn't been initialized by dwarf2out_init.
8347 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8349 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8350 symbolic constants in branch patterns.
8352 2006-04-11 Roger Sayle <roger@eyesopen.com>
8354 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8356 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8358 PR rtl-optimization/27073
8359 * gcse.c (try_replace_reg): Revert last change. Continue to search
8360 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8363 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8365 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8366 aggregate types other than record and union types.
8367 (function_arg): Likewise.
8368 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8370 (function_value): In 64-bit mode, return objects that require it
8373 2006-04-11 Roger Sayle <roger@eyesopen.com>
8375 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8377 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8379 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8381 2006-04-03 Jeff Law <law@redhat.com>
8384 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8385 alias information too.
8387 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8389 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8391 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8394 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8395 (premark_used_types_helper): New.
8396 (premark_used_types): New.
8397 (gen_subprogram_die): Call premark_used_types.
8398 (prune_unused_types_walk): Do not prune perennial dies.
8399 * function.c (used_types_insert): New.
8400 * function.h (struct function): Add used_types_hash field.
8401 (used_types_insert): Add prototype.
8402 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8403 * c-parser.c (c_parser_cast_expression): Save casted types in used
8406 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8409 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8410 rs6000_explicit_options.float_gprs.
8412 2006-04-10 Roger Sayle <roger@eyesopen.com>
8414 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8415 from ix86_expand_vector_init_low_nonzero. Take an additional
8416 one_var argument indicating which element is non-zero. Support
8417 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8418 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8419 with one_var instead of ix86_expand_vector_init_low_nonzero.
8421 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8423 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8424 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8425 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8426 build/genextract.o): Depend on vecprim.h.
8427 * cfglayout.c, df-problems.c, function.c, genextract.c,
8428 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8429 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8433 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8435 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8436 Declare VECs of this type.
8437 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8438 (remove_children): Delete.
8439 (add_dwarf_attr): Use VEC routines.
8440 (add_AT_flag): Update for changes to add_dwarf_attr.
8441 (add_AT_int): Likewise.
8442 (add_AT_unsigned): Likewise.
8443 (add_AT_long_long): Likewise.
8444 (add_AT_vec): Likewise.
8445 (add_AT_string): Likewise.
8446 (add_AT_die_ref): Likewise.
8447 (add_AT_fde_ref): Likewise.
8448 (add_AT_loc): Likewise.
8449 (add_AT_loc_list): Likewise.
8450 (add_AT_addr): Likewise.
8451 (add_AT_lbl_id): Likewise.
8452 (add_AT_lineptr): Likewise.
8453 (add_AT_macptr): Likewise.
8454 (add_AT_offset): Likewise.
8455 (add_AT_range_list): Likewise.
8456 (get_AT): Use VEC_iterate.
8457 (remove_AT): Use VEC_ordered_remove.
8458 (free_die): Fold remove_children into here; have it use VEC_iterate.
8459 (print_die): Use VEC_iterate on attrs.
8460 (reverse_die_lists): Don't reverse attr lists.
8461 (die_checksum): Use VEC_iterate on attrs.
8462 (same_die_p): Likewise.
8463 (output_location_lists): Likewise.
8464 (build_abbrev_table): Likewise.
8465 (size_of_die): Likewise.
8466 (unmark_all_dies): Likewise.
8467 (output_abbrev_section): Likewise.
8468 (output_die): Likewise.
8469 (prune_unused_types_walk_attribs): Likewise.
8471 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8473 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8475 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8478 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8480 2006-04-09 Roger Sayle <roger@eyesopen.com>
8482 * expr.c (store_constructor): Don't bother clearing target if
8483 we're about to assign a vector to it using vec_init_optab.
8485 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8487 * tree-ssa-alias.c (lhs_may_store_to): New function.
8488 (recalculate_used_alone): Handle LHS of calls.
8490 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8494 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8495 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8496 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8497 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8498 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8499 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8500 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8501 stubs. Add ".align 8" directives before all ".dword" directives.
8502 (GTHREAD_USE_WEAK): Revise comment.
8503 (TARGET_ATTRIBUTE_WEAK): Define.
8504 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8505 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8506 * stublib.c: New file.
8511 * pa.md (cbranch patterns): Revise arguments used in calls to
8512 output_cbranch, output_bb and output_bvd. Add long branch length
8514 (fbranch patterns): Handle long branches.
8515 (jump): Revise length check. Revise arguments for output_lbranch call.
8516 Add long branch length attributes.
8517 (decrement_and_branch_until_zero): Add long branch length attributes.
8518 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8519 Likewise. Revise arguments for output_parallel_addb and
8520 output_parallel_movb calls.
8521 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8522 output_parallel_movb and output_parallel_addb): Update prototypes.
8523 * pa.c (output_cbranch): Revise arguments. Correct handling of
8524 nullification in long branches.
8525 (output_lbranch): Add new argument to control extraction of delay
8527 (output_bb): Handle long branches.
8528 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8529 output_parallel_addb): Likewise.
8531 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8533 PR rtl-optimization/27073
8534 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8537 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8539 * tree.h (tree_memory_tag): Add old_used_alone.
8540 (SMT_OLD_USED_ALONE): New macro.
8541 * tree-ssa-alias.c (recalculate_used_alone): Stop
8542 marking things for renaming unnecessarily.
8544 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8546 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8547 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8548 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8549 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8550 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8551 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8552 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8553 spelling convensions.
8554 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8555 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8556 typos. Follow spelling conventions.
8558 2006-04-07 DJ Delorie <dj@redhat.com>
8560 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8561 passed on the stack.
8562 (m32c_init_cumulative_args): When a function returns a structure,
8563 always pass the pointer to that return area on the stack.
8564 (m32c_function_arg_advance): Don't increment the parameter number
8565 if we're processing the returned structure pointer.
8566 (pushm_info): Reverse order of registers.
8568 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8570 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8571 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8572 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8573 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8575 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8576 chrec_fold_multiply): Same.
8577 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8578 force_expr_to_var_cost): Same.
8579 * tree-mudflap.c (mf_xform_derefs_1): Same.
8580 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8582 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8584 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8585 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8588 2006-04-07 Jan Hubicka <jh@suse.cz>
8590 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8592 2006-04-07 Richard Guenther <rguenther@suse.de>
8594 PR tree-optimization/26135
8595 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8596 loads for store copy-prop.
8597 (copy_prop_visit_stmt): Likewise.
8599 2006-04-05 Robert Millan <robertmh@gnu.org>
8601 * config/i386/linux.h: Add a comment to mark macros that are
8602 being overriden in config/k*bsd-gnu.h.
8603 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8605 * config/knetbsd-gnu.h: Ditto.
8607 2006-04-06 Jan Hubicka <jh@suse.cz>
8611 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8614 2006-04-06 Mike Stump <mrs@apple.com>
8616 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8617 for HAVE_nonlocal_goto to be consistent.
8618 (expand_builtin_nonlocal_goto): Likewise.
8619 (expand_builtin_strcmp): Use #ifdef instead of #if
8620 for HAVE_cmpstrnsi to be consistent.
8622 2006-04-05 DJ Delorie <dj@redhat.com>
8624 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8627 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8629 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8630 got-relative addressing for anything but SImode.
8632 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8633 even if the calling function doesn't modify them.
8635 2006-04-05 Richard Guenther <rguenther@suse.de>
8637 PR tree-optimization/26919
8638 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8639 to cgraph_estimate_size_after_inlining.
8641 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8643 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8645 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8647 PR tree-optimization/26996
8648 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8649 VECTOR_TYPE variables.
8651 2006-04-05 Richard Guenther <rguenther@suse.de>
8653 PR tree-optimization/26763
8654 * fold-const.c (fold_comparison): Move folding of
8655 PTR + CST CMP PTR + CST ...
8656 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8658 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8660 * doc/install.texi (Prerequisites): Refine some wording on
8661 bootstrapping and ksh.
8662 Move the version numbers of DejaGnu here from the testing section
8663 and fix casing of names.
8664 Fix markup and clarify wording for autogen requirements.
8665 Refer to GCJ instead of just java.
8666 Refer to SVN instead of CVS.
8667 Describe diffutils as useful instead of necessary.
8668 (Downloading the source): Refer to SVN instead of CVS.
8669 Adjust a link to our web site accordingly.
8670 (Configuration): Fix casing of Bison.
8671 (Building): Refer to SVN instead of CVS.
8672 Fix a sentence on the use of Bison and remove duplicate (and
8673 incorrect) version number of Bison requirement.
8674 Remove one redundant list of packages needed for building.
8675 (Specific): Avoid reference to CVS.
8677 2006-04-04 Eric Christopher <echristo@apple.com>
8679 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8680 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8681 (rs6000_handle_struct_attribute): New.
8682 (rs6000_ms_bitfield_layout_p): Ditto.
8684 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8686 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8687 NULL for dso parameter to atexit_common.
8689 2006-04-04 Eric Christopher <echristo@apple.com>
8691 * config/i386/i386.c (machopic_output_stub): Output \t
8692 between instructions and operands.
8694 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8696 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8697 satisfies_constraint_[IL] to explicit tests on value.
8699 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8701 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8702 set_nb_iterations_in_loop): Use build_int_cst instead of
8704 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8705 build_int_cst instead of convert.
8707 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8709 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8710 new value 2 for incoming.
8711 * function.c (expand_function_start): Call struct_value_rtx
8713 * config/sparc/sparc.md: Comment updated_return.
8714 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8715 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8716 struct return if sparc_std_struct_return and incoming is 2.
8717 (print_operand): Do not adjust return if
8718 sparc_std_struct_return.
8720 2006-04-04 Roger Sayle <roger@eyesopen.com>
8722 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8723 convert in the middle-end.
8724 * expr.c (store_expr, store_constructor, get_inner_reference,
8725 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8727 * tree.c (build_range_type): Likewise.
8729 2006-04-04 Tom Tromey <tromey@redhat.com>
8731 * doc/install.texi (Prerequisites): Mention jar.
8733 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8735 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8738 2006-04-04 Matthias Klose <doko@debian.org>
8740 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8744 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8747 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8749 * doc/extend.texi (Function Attributes): Rewrite visibility
8750 attribute documentation.
8751 * doc/invoke.texi (C++ Dialect Options): Rewrite
8752 -fvisibility-inlines-hidden documentation to describe something
8753 entirely different, although in practise compatible.
8754 (Code Gen Options): Warn about system headers in -fvisibility=
8757 * doc/extend.texi (Other Builtins): Document that
8758 __builtin_nan is a compile-time constant only when its argument
8761 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8763 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8764 trying to remove TRUNCATE check if all bits outside the new mode
8765 are identical to the sign bit.
8767 2006-04-03 Jeff Law <law@redhat.com>
8769 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8770 and operand scanning in some common cases.
8772 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8773 Dale Johannesen <dalej@apple.com>
8776 * regclass.c (struct reg_pref): Update documentation.
8777 (regclass): Set prefclass to NO_REGS if memory is the best option.
8778 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8779 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8780 into account. For non-registers, equate an empty preferred
8781 reload class to a `!' in the constraint; move the if clause to
8782 do so after those that reject the insn.
8783 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8785 (find_dummy_reload): Likewise.
8786 * doc/tm.texi (Register Classes): Document what it means
8787 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8788 * config/i386/i386.c (ix86_preferred_reload_class): Force
8789 using SSE registers (and return NO_REGS for floating-point
8790 constants) if math is done with SSE.
8791 (ix86_preferred_output_reload_class): New.
8792 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8793 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8794 * config/i386/i386.md: Remove # register preferences.
8796 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8799 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8800 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8801 the type of nb_iter.
8802 (instantiate_parameters_1): Convert the operands before calling
8803 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8804 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8806 2006-04-02 Roger Sayle <roger@eyesopen.com>
8808 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8809 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8811 * dojump.c (do_jump): Likewise.
8812 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8813 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8814 gimplify_boolean_expr): Likewise.
8815 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8816 * varasm.c (array_size_for_constructor): Likewise.
8817 * tree-object-size.c (compute_object_offset): Likewise.
8819 2006-04-02 Roger Sayle <roger@eyesopen.com>
8822 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8823 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8825 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8827 PR tree-optimization/26939
8828 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8830 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8832 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8833 at_stmt. Convert the type of operands before calling
8834 build_polynomial_chrec.
8835 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8837 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8838 (instantiate_parameters_1): Convert the type of operands before calling
8839 build_polynomial_chrec.
8840 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8841 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8842 reset_evolution_in_loop): Insert asserts to check the types of the
8844 (chrec_type): Moved...
8845 (eq_evolutions_p): Use operand_equal_p.
8846 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8847 the types of the operands.
8848 (chrec_type): ...here.
8849 * tree-data-ref.c (create_data_ref): Convert the operands before
8850 calling chrec_replace_initial_condition.
8851 (same_access_functions, analyze_subscript_affine_affine,
8852 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8853 (compute_subscript_distance, analyze_ziv_subscript,
8854 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8855 analyze_miv_subscript): Convert the operands before calling
8856 chrec_fold_minus or chrec_fold_plus.
8858 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8860 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8861 the dependence_relations vector.
8862 (compute_data_dependences_for_loop): Adjust call to
8863 compute_all_dependences.
8865 2006-04-01 Roger Sayle <roger@eyesopen.com>
8866 Richard Henderson <rth@redhat.com>
8868 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8869 gimple_boolify on the condition before calling gimplify_expr.
8871 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8873 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8874 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8875 the frame size. Update to use the new macros.
8876 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8877 * config/xtensa/ieee754-df.S: Likewise.
8879 2006-03-31 Richard Henderson <rth@redhat.com>
8881 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8882 (make_edges): ... here. Control fallthru creation with a local
8883 variable. Do not play with fake edges.
8884 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8885 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8888 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8890 * dwarf2.h (DW64_CIE_ID): Define.
8891 * dwarf2out.c (DWARF_CIE_ID): Define.
8892 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8893 length header. Use DWARF_CIE_ID.
8894 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8895 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8897 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8899 * config/sh/linux-atomic.asm: New file.
8900 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8902 2006-03-31 DJ Delorie <dj@redhat.com>
8904 * config/m32c/cond.md: Set condition flags properly throughout.
8905 * config/m32c/minmax.md: Likewise.
8906 * config/m32c/prologue.md: Likewise.
8907 * config/m32c/bitops.md: Likewise.
8908 * config/m32c/muldiv.md: Likewise.
8909 * config/m32c/mov.md: Likewise.
8910 * config/m32c/addsub.md: Likewise.
8911 * config/m32c/m32c.md: Likewise.
8912 * config/m32c/jump.md: Likewise.
8913 * config/m32c/shift.md: Likewise.
8915 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8916 conditionally output the pattern for this.
8917 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8918 (m32c_compare_redundant): New.
8919 (m32c_output_compare): New.
8920 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8922 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8923 dest, not src. Allow other 4-byte modes.
8925 2006-03-30 Denis Chertykov <denisc@overta.ru>
8927 * doc/md.texi: Refer to avr/constraints.md instead of
8930 2006-03-30 Roger Sayle <roger@eyesopen.com>
8932 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8933 signed vs. unsigned comparison failures on some hosts.
8935 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8938 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8939 change to FLOAT_REGS.
8941 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8942 (rs6000_override_options): Use it.
8943 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8944 only for -mabi=spe/no-spe and -mabi=altivec.
8946 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8948 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8951 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8953 * Makefile.in: Rename docdir to gcc_docdir.
8955 2006-03-30 Roger Sayle <roger@eyesopen.com>
8958 * expr.c (emit_group_store): Optimize group stores into a pseudo
8959 register by using a paradoxical subreg to initialize the destination
8960 if the first or last member of the group specifies a "low part".
8962 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8965 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8966 * target.h (struct gcc_target.speculate_insn): Change type of the
8967 second parameter to 'int'.
8968 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8969 the second operand of the DEPS_LIST.
8970 (copy_DEPS_LIST_list): Update reference to the second operand of the
8972 * rtl.h (alloc_DEPS_LIST): Update signature.
8973 * sched-int.h (ds_t): Change typedef to 'int'.
8974 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8976 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8978 * haifa-sched.c (try_ready): Change condition to restore
8979 non-speculative pattern of the instruction.
8980 (process_insn_depend_be_in_spec): Code to keep probability of the
8981 speculative dependence non-decreasing.
8983 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8985 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8986 (single_move_for_movmem): ... this. Also change all uses.
8987 (bfin_expand_strmov): Renamed to...
8988 (bfin_expand_movmem): ... this. Also change all uses.
8989 * config/bfin/bfin.md (movstrsi): Renamed to...
8990 (movstrsi): ...this.
8992 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8994 PR tree-optimization/26830
8996 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8997 (copy_prop_visit_stmt): Remove write-only variable ann.
8998 (init_copy_prop): Check variable loop depth here. Do not simulate
8999 memory-tag and virtual operand PHIs except for store copy prop.
9001 2006-03-30 Richard Guenther <rguenther@suse.de>
9003 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9004 variants with double arguments.
9006 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9008 * genpreds.c (write_tm_constrs_h): Delete variable p.
9009 * genconditions.c (write_header): Add tm-constrs.h to included
9011 * genpeep.c (main): Add toplev.h to included headers.
9012 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9013 (build/genpeep.o): Add toplev.h dependency.
9014 * config/rs6000/constraints.md: Add "W" constraint.
9016 2006-03-29 Roger Sayle <roger@eyesopen.com>
9018 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9019 sizes by correctly testing whether the size fits a host integer.
9020 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9021 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9022 SImode range for the default sizetype and bitsizetype.
9024 2006-03-29 Roger Sayle <roger@eyesopen.com>
9026 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9027 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9028 quickly if the argument is already of the correct type.
9029 Call fold_build1 instead of build1. Tidy up blank lines.
9031 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9033 * genemit.c (main): Add tm-constrs.h to included headers.
9034 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9035 * genpeep.c (main): Add tm-constrs.h to included headers.
9036 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9037 (write_tm_constrs_h): this and write complete file.
9038 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9039 (write_insn_preds_c): Add tm-constrs.h to included headers.
9040 (gen_constrs): New variable.
9041 (parse_option): Parse "-c".
9042 (main): Invoke write_tm_constrs_h.
9043 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9044 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9045 (object_out_file): Add tm-constrs.h dependency.
9046 (insn-emit.o): Same.
9047 (insn-output.o): Same.
9048 (insn-peep.o): Same.
9049 (insn-preds.o): Same.
9050 (insn-recog.o): Same.
9051 (tm-constsr.h): New target.
9052 (s-constrs-h): New target.
9054 * config/rs6000/constraints.md: New file.
9055 * config/rs6000/rs6000.c: Include tm-constrs.h.
9056 (num_insn_constant_wide): Convert to satisfies_constraint.
9057 (rs6000_rtx_costs): Convert to satisfies_constraint.
9058 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9059 (CONST_OK_FOR_LETTER_P): Delete.
9060 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9061 (EXTRA_CONSTRAINT): Delete.
9062 (EXTRA_MEMORY_CONSTRAINT): Delete.
9063 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9064 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9065 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9066 satisfies_constraint.
9068 * config/i386/i386.c: Include tm-constrs.h.
9070 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9072 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9073 * tree-data-ref.c (find_data_references_in_loop,
9074 compute_data_dependences_for_loop): Use pointers to VEC.
9075 (analyze_all_data_dependences): Adjust calls.
9076 * tree-data-ref.h (find_data_references_in_loop,
9077 compute_data_dependences_for_loop): Adjust declarations.
9078 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9079 compute_data_dependences_for_loop.
9081 2006-03-29 Paul Brook <paul@codesourcery.com>
9083 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9086 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9088 PR tree-optimization/26859
9089 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9091 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9092 for the step after fold_convert.
9094 2006-03-29 Paul Brook <paul@codesourcery.com>
9096 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9097 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9099 2006-03-29 Paul Brook <paul@codesourcery.com>
9102 * targhooks.c (default_narrow_bitfield): New fuction.
9103 * targhooks.h (default_narrow_bitfield): add prototype.
9104 * target.h (gcc_target): Add narrow_volatile_bitfield.
9105 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9106 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9107 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9108 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9110 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9112 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9114 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9115 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9116 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9117 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9118 (s390_function_arg_float): Allow SDmode and DDmode values to be
9119 passed in floating point registers.
9120 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9121 check with SCALAR_FLOAT_MODE_P.
9122 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9124 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9126 PR tree-optimization/25985
9127 * tree-ssa-loop-niter.c (number_of_iterations_le,
9128 number_of_iterations_ne): Make comments more precise.
9129 (number_of_iterations_cond): Add only_exit argument. Use the
9130 fact that signed variables do not overflow only when only_exit
9132 (loop_only_exit_p): New.
9133 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9134 number_of_iterations_cond.
9136 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9138 PR tree-optimization/26643
9139 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9142 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9144 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9145 (divsi3_i4_int): Likewise.
9147 2006-03-28 Roger Sayle <roger@eyesopen.com>
9149 * expr.c (emit_group_store): Only create a new pseudo reg if the
9150 quantity it needs to hold isn't already a suitable pseudo.
9152 2006-03-28 Jeff Law <law@redhat.com>
9154 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9155 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9157 2006-03-28 Roger Sayle <roger@eyesopen.com>
9159 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9160 the equivalent ~X & Y, and the symmetry related transformations.
9161 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9162 ~X & Y, and symmetry related transforms.
9164 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9166 Revert my 2006-03-27 patches.
9168 2006-03-28 Roger Sayle <roger@eyesopen.com>
9170 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9171 ~(T1)X, when T1 and T2 are integer types of the same precision
9172 and (T2)X isn't an extension.
9174 2006-03-28 Jeff Law <law@redhat.com>
9176 PR tree-optimization/26796
9177 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9178 need EH edge cleanups rather than purging them immediately.
9179 (eliminate_degenerate_phis): Handle queued EH cleanups.
9181 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9183 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9186 2006-03-27 Roger Sayle <roger@eyesopen.com>
9189 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9190 cast BIT_NOT_EXPR operand to the correct type.
9192 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9194 * tree-loop-linear.c: Don't include varray.h.
9195 (gather_interchange_stats, try_interchange_loops,
9196 linear_transform_loops): Use VEC instead of VARRAY.
9197 * lambda-mat.c: Don't include varray.h.
9198 * tree-chrec.c: Same.
9199 * lambda-trans.c: Same.
9200 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9201 VEC instead of VARRAY.
9202 * tree-vectorizer.h: Idem.
9203 * tree-data-ref.c (dump_data_references,
9204 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9205 initialize_data_dependence_relation, finalize_ddr_dependent,
9206 compute_all_dependences, find_data_references_in_loop,
9207 compute_data_dependences_for_loop, analyze_all_data_dependences,
9208 free_dependence_relation, free_dependence_relations,
9209 free_data_refs): Idem.
9210 * tree-data-ref.h (data_reference_p, subscript_p): New.
9211 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9212 VEC instead of VARRAY.
9213 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9214 (find_data_references_in_loop, compute_data_dependences_for_loop,
9215 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9216 dump_data_dependence_relations, free_dependence_relations,
9217 free_data_refs): Adjust declaration.
9218 (lambda_transform_legal_p): Move declaration here...
9219 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9220 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9221 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9222 vect_analyze_data_refs): Use VEC instead of VARRAY.
9223 * lambda.h (lambda_transform_legal_p): ...from here.
9224 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9225 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9226 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9227 tree-chrec.o): Don't depend on VARRAY_H.
9229 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9231 * rtl.def (Copyright): Update date.
9232 (DEPS_LIST): Change type of the second operand to 'int'.
9233 * target.h (Copyright): Update date.
9234 (struct gcc_target.speculate_insn): Change type of the second parameter
9236 * lists.c (Copyright): Update date.
9237 (alloc_DEPS_LIST): Change signature. Update reference to the second
9238 operand of the DEPS_LIST.
9239 (copy_DEPS_LIST_list): Update reference to the second operand of the
9241 * rtl.h (Copyright): Update date.
9242 (alloc_DEPS_LIST): Update signature.
9243 * sched-int.h (Copyright): Update date.
9244 (ds_t): Change typedef to 'int'.
9245 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9247 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9249 * haifa-sched.c (Copyright): Update date.
9250 (try_ready): Change condition to restore non-speculative pattern
9252 (process_insn_depend_be_in_spec): Code to keep probability of the
9253 speculative dependence non-decreasing.
9255 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9257 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9258 shut up the compiler.
9260 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9262 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9263 to use lib prefix for target.
9264 ($(T)libic_invalidate_array_4-200.a): Likewise.
9265 ($(T)libic_invalidate_array_4a.a): Likewise.
9267 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9268 J"orn Rennecke <joern.rennecke@st.com>
9270 * superh.opt: New file.
9271 * sh.c (boardtype, osruntime): Remove.
9272 * superh.h (SUBTARGET_OPTIONS): Remove.
9273 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9275 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9276 arguments with ^ and/or [].
9278 * config.gcc (sh-*-*): Add quoting to account for quirk of
9280 Replace == with = in enable_incomplete_targets test.
9282 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9283 with MASK_LITTLE_ENDIAN.
9285 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9286 * config/sh/sh.opt: Added to some comments.
9287 * config/sh/superh.h: Removed some chaff.
9289 * config/sh/sh.opt: Add m4-[1234]00* options.
9290 * config/sh/sh.c (sh_handle_option): Likewise.
9291 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9292 (ic_invalidate_array_4-100.o): New rule.
9293 ($(T)libic_invalidate_array_4-100.a): Likewise.
9294 (ic_invalidate_array_4-200.o): Likewise.
9295 ($(T)libic_invalidate_array_4-200.a): Likewise.
9296 (ic_invalidate_array_4a.o): Likewise.
9297 ($(T)libic_invalidate_array_4a.a): Likewise.
9298 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9299 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9301 * config/sh/crt1.asm: Merged in profiling code.
9302 * config/sh/superh.h (STARTFILE_SPEC): Override.
9303 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9304 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9305 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9307 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9308 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9309 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9311 * sh.opt (mpretend-cmove): New option.
9312 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9313 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9314 (movsicc): Add TARGET_PRETEND_CMOVE code.
9316 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9318 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9319 s390_class_max_nregs): New function prototypes.
9320 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9321 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9322 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9323 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9325 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9327 * dwarf2out.c (add_location_or_const_value_attribute): Call
9328 tree_add_const_value_attribute if nothing else works.
9329 (reference_to_unused): New.
9330 (rtl_for_decl_init): Use reference_to_unused to decide whether
9331 to output an initializer.
9333 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9336 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9337 peephole removing spe frob_di_df_2.
9339 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9341 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9342 (subscript_dependence_tester_1): Declared.
9343 (print_dir_vectors, print_dist_vectors): New.
9344 (debug_data_dependence_relation): New.
9345 (dump_data_dependence_relation): Print more details.
9346 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9347 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9348 (save_dist_v, save_dir_v, add_outer_distances,
9349 build_classic_dist_vector_1): New.
9350 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9351 Don't test for lambda_vector_lexico_pos.
9352 (same_access_functions, add_multivariate_self_dist,
9353 add_other_self_distances, dir_from_dist): New.
9354 (build_classic_dir_vector): Replace implementation almost identical to
9355 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9357 (subscript_dependence_tester_1): New.
9358 (subscript_dependence_tester): Handle the lexicographically negative
9359 distance vectors by recomputing the dependence relation.
9360 (compute_affine_dependence): Remove parameter loop_nest_depth.
9361 (compute_self_dependence): Don't call compute_subscript_distance.
9362 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9363 Add a parameter for the loop_nest.
9364 (find_loop_nest_1, find_loop_nest): New.
9365 (compute_data_dependences_for_loop): Compute the loop nest, and give
9366 up if the nest is not well formed.
9367 * tree-data-ref.h (loop_p): New.
9368 (struct data_dependence_relation): Replace size_vect field with
9369 loop_nest, a vec of loops.
9370 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9371 (DDR_LOOP_NEST): New.
9372 (print_dir_vectors, print_dist_vectors,
9373 debug_data_dependence_relation): Declared.
9374 (index_in_loop_nest): New.
9375 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9376 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9379 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9381 * simplify-rtx.c (simplify_relational_operation): Call
9382 simplify_relational_operation_1 even if mode is VOIDmode.
9384 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9386 PR tree-optimization/26804
9387 * tree.h (DECL_CALL_CLOBBERED): New macro.
9388 (tree_decl_common): Add call_clobbered_flag.
9389 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9390 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9391 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9392 (mark_non_addressable): Ditto.
9393 * tree-ssa.c (verify_call_clobbered): New function.
9394 (verify_alias_info): Use it.
9395 * tree-pass.h (pass_reset_cc_flags): New prototype.
9396 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9397 (reset_cc_flags): New function.
9398 * passes.c (init_optimization_passes): Call reset_cc_flags after
9399 initializing referenced_vars.
9401 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9402 Roger Sayle <roger@eyesopen.com>
9405 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9406 to 1.0 for non-real operands. Implement A / A optimization for
9409 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9411 * config/i386/i386.c (size_cost): Correct the comment for
9412 cost of storing fp registers.
9413 (i386_cost): Likewise.
9414 (i486_cost): Likewise.
9415 (pentium_cost): Likewise.
9416 (pentiumpro_cost): Likewise.
9417 (k6_cost): Likewise.
9418 (athlon_cost): Likewise.
9419 (k8_cost): Likewise.
9420 (pentium4_cost): Likewise.
9421 (nocona_cost): Likewise.
9422 (generic64_cost): Likewise.
9423 (generic32_cost): Likewise.
9425 2006-03-24 Denis Chertykov <denisc@overta.ru>
9427 * config/avr/avr-protos.h (extra_constraint): Delete.
9428 (extra_constraint_Q): New declaration.
9429 * config/avr/constraints.md: New file.
9430 * config/avr/avr.md: Include it.
9431 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9432 (TMP_REGNO, ZERO_REGNO): Likewise.
9433 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9434 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9435 (extra_constraint): Delete.
9436 (extra_constraint_Q): Test for memory constraint 'Q'.
9437 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9438 (REG_CLASS_FROM_LETTER): Delete.
9439 (CONST_OK_FOR_LETTER_P): Delete.
9440 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9441 (EXTRA_CONSTRAINT): Delete.
9442 (TMP_REGNO): Delete.
9443 (ZERO_REGNO): Delete.
9445 2006-03-24 Jeff Law <law@redhat.com>
9447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9448 directly. Call mark_new_vars_to_rename slightly earlier.
9450 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9452 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9454 (gen_compile_unit_die): Use new language types for Objective-C and
9456 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9457 DW_LANG_C_plus_plus.
9460 * config/t-darwin (crt3.o): Work around bug 26840.
9461 * config/darwin-crt3.c: Rewrite.
9462 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9464 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9466 * doc/invoke.texi: Document -femit-class-debug-always
9467 * common.opt: Add -femit-class-debug-always.
9469 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9471 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9472 index and base register.
9473 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9474 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9475 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9476 REGNO_OK_FOR_INDEX_P.
9477 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9479 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9480 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9481 REG_OK_FOR_BASE_P): Definitions removed.
9483 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9486 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9487 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9488 set yet or weren't marked as local yet.
9490 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9492 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9495 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9497 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9498 (rs6000_legitimate_small_data_p): Delete.
9499 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9500 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9501 and make static. Add forward declaration. Update uses.
9502 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9503 of offsettable_memref_p.
9504 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9505 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9507 2006-03-24 Jeff Law <law@redhat.com>
9509 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9510 around bug in immediate-use iterator.
9512 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9515 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9516 or __LITTLE_ENDIAN__.
9518 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9520 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9521 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9522 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9523 * config/sh/sh.opt (mdiv=): Amend description.
9524 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9525 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9526 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9527 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9528 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9529 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9530 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9531 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9532 TARGET_DIVIDE_CALL_FP.
9534 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9536 * haifa-sched.c (choose_ready): Fix type of the local variable.
9537 Move local variables. Add comment.
9538 (check_reg_live): Change signature. Make callable from debugger.
9539 * sched-int.h (check_reg_live): Update signature.
9540 * sched-ebb.c (check_reg_live): Update parameters.
9541 * sched-rgn.c (check_reg_live): Ditto.
9542 (region_head_or_leaf_p): Check pointer before dereferencing.
9543 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9544 before reload on optimization levels below 1.
9546 2006-03-23 Richard Henderson <rth@redhat.com>
9548 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9552 * config/alpha/predicates.md (local_symbolic_operand): Reject
9555 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9558 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9559 expressions which have overflowed constants.
9561 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9563 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9565 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9567 * cfgloopmanip.c (create_loop_notes): Removed.
9568 * final.c (final_scan_insn): Do not handle loop notes.
9569 * jump.c (squeeze_notes): Ditto.
9570 * cfglayout.c (skip_insns_after_block,
9571 duplicate_insn_chain): Ditto.
9572 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9574 * cfgloop.h (create_loop_notes): Declaration removed.
9576 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9578 * varasm.c (output_constant_pool): Restore fnname and fndecl
9580 (assemble_start_function): Adjust call accordingly.
9581 (assemble_end_function): Likewise.
9583 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9586 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9589 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9591 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9594 * system.h (ICE_EXIT_CODE): New macro.
9595 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9596 (diagnostic_action_after_output): Likewise.
9597 * gcc.c (fatal_ice): New function.
9598 (execute): Use it instead of fatal.
9599 (fancy_abort): Likewise.
9600 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9602 2006-03-22 Jeff Law <law@redhat.com>
9604 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9605 iv_analyze_result returning false.
9607 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9609 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9611 2006-03-22 Richard Henderson <rth@redhat.com>
9614 * except.c (duplicate_eh_regions_0): New.
9615 (duplicate_eh_region_1): Duplicate the children of the node as
9616 well as the node itself. Link them up properly.
9617 (duplicate_eh_region_2): Merge into ...
9618 (duplicate_eh_regions): ... here. Take copy_region argument, and
9619 copy only a sub-tree if asked. Simplify copying and fixup.
9620 (eh_region_outer_p): New.
9621 * except.h (duplicate_eh_regions): Update decl.
9622 (eh_region_outer_p): Declare.
9623 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9624 (lower_omp_master): Likewise.
9625 (lower_omp_ordered): Likewise.
9626 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9627 (move_stmt_r): Use it to remap labels. Handle recursion vs
9628 remap_decls_p properly.
9629 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9630 (find_outermost_region_in_block): New.
9631 (new_label_mapper): New.
9632 (move_sese_region_to_fn): Copy eh information to the new function
9634 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9636 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9639 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9641 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9642 into shared libraries.
9644 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9646 * doc/md.texi: Refer to i386/constraints.md instead of
9648 * config/i386/constraints.md: New file, extracted from...
9649 * config/i386/predicates.md: ...here.
9650 * config/i386/i386.md: Include constraints.md.
9652 2006-03-21 Jason Merrill <jason@redhat.com>
9654 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9657 * expr.c (init_block_move_fn): Force default visibility.
9658 (init_block_clear_fn): Likewise.
9659 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9660 * targhooks.c (default_external_stack_protect_fail): Likewise.
9662 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9664 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9665 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9666 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9667 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9668 (loadgp): Use mips_current_loadgp_style.
9669 (loadgp_noshared): New pattern.
9670 (sibcall_internal): Use MIPS_CALL.
9671 (sibcall_value_internal): Likewise.
9672 (sibcall_value_multiple_internal): Likewise.
9673 (call_internal): Likewise.
9674 (call_value_internal): Likewise.
9675 (call_value_multiple_internal): Likewise.
9676 (call_split): Use MIPS_CALL and add an 'S' constraint.
9677 (call_value_split): Likewise.
9678 (call_value_multiple_split): Likewise.
9679 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9680 (-mshared): New option.
9681 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9682 (mips_current_loadgp_style): Declare.
9683 * config/mips/mips.c (mips_classify_symbol): Avoid using
9684 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9685 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9686 TARGET_ABSOLUTE_ABICALLS.
9687 (override_options): Adjust comments. Improve the warning that is
9688 issued when -mabicalls and -G are used together.
9689 (mips_file_start): Remove comment.
9690 (mips_current_loadgp_style): New function.
9691 (mips_gnu_local_gp): New variable.
9692 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9694 (mips_output_function_prologue): Use mips_current_laodgp_style.
9695 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9696 the cprestore instruction.
9697 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9698 live for TARGET_ABSOLUTE_ABICALLS.
9699 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9700 (ASM_SPEC): Pass down -mshared and -mno-shared.
9701 (MIPS_CALL): New macro.
9702 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9704 * doc/invoke.texi (-mabicalls): Update documentation.
9705 (-mshared): Document.
9707 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9709 * config/ia64/unwind-hpux.c: New file.
9710 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9712 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9715 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9717 2006-03-21 Jeff Law <law@redhat.com>
9719 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9720 type conversions of a VR_VARYING source to a wider type.
9722 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9724 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9725 tm_file on Solaris 10 and later.
9726 (sparc64-*-solaris2*): Likewise.
9727 (sparc-*-solaris2*): Likewise.
9728 * config/sol26.h: Rename to config/sol2-6.h.
9729 * config/sol2-10.h: New file.
9731 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9734 * tree-ssa-pre.c (create_component_ref_by_pieces):
9737 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9740 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9741 return it immediately.
9743 2006-03-21 Michael Matz <matz@suse.de>
9745 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9747 (remove_arc, add_arc): Update num_out_arcs member.
9748 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9750 (cache_presence): New function.
9751 (compare_states_for_equiv): New function.
9752 (state_is_differed): Don't take number of outargs, adjust callers.
9753 Use new invariant for speeding up.
9754 (init_equiv_class): Create initial classes based on sorted
9756 (partition_equiv_class): Don't track out_arcs_num.
9757 (evaluate_equiv_classes): Call cache_presence on all states and
9760 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9762 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9763 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9764 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9765 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9767 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9768 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9769 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9770 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9771 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9773 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9774 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9775 (REGNO_REG_CLASS): ARGP is in PREGS.
9776 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9778 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9779 to deal with those addresses.
9780 * addresses.h: New file.
9781 * caller-save.c: Include "addresses.h".
9782 (init_caller_save): Use new base_reg_class function.
9783 * rtl-factoring.c: Include "addresses.h".
9784 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9785 * recog.c: Include "addresses.h".
9786 (preprocess_constraints): Use new base_reg_class function.
9787 * regrename.c: Include "addresses.h".
9788 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9789 functions. Keep track of a new var INDEX_CODE to compute valid
9791 (replace_oldest_value_addr): Likewise.
9792 (replace_oldest_value_mem): Use base_reg_class.
9793 * reload.c: Include "addresses.h".
9794 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9795 (find_reloads): Use new base_reg_class function.
9796 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9797 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9798 all callers and prototype changed.
9799 * reload1.c: Include "addresses.h".
9800 (maybe_fix_stack_asms): Use base_reg_class.
9801 * regclass.c: Include "addresses.h".
9802 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9803 (init_reg_autoinc): Use new base_reg_class function.
9804 (record_reg_classes): Likewise.
9805 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9806 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9807 Use new args to compute necessary class.
9809 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9810 regrename.o, rtl-factoring.o): Update dependencies.
9811 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9812 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9813 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9814 REG_OK_FOR_INDEX_P): Delete documentation.
9816 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9818 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9819 from V7 to V9 for Solaris 7 and above.
9821 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9823 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9824 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9825 argument pointers may not alias any other storage.
9826 * common.opt: Define option -fargument-noalias-anything.
9827 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9828 alias semantics is specified by flag_argument_noalias > 2.
9830 2006-03-20 Jeff Law <law@redhat.com>
9832 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9833 (pass_phi_only_cprop): Declare.
9834 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9836 * tree-ssa-dom.c (degenerate_phi_result): New function.
9837 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9838 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9839 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9840 (eliminate_degenerate_phis): Likewise.
9841 (pass_phi_only_cprop): New pass descriptor.
9842 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9843 support code. Callers updated.
9844 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9845 (store_copy_prop): Likewise.
9846 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9848 2006-03-20 Jason Merrill <jason@redhat.com>
9851 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9852 (push_visibility, pop_visibility): Likewise.
9853 * c-pragma.h: Declare them.
9855 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9857 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9859 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9860 parameter and use get_ebb_head_tail.
9861 (sh_md_init_global): Adjust uses of find_regmode_weight.
9863 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9865 * function.h (struct function) <x_tail_recursion_reentry>:
9866 Rename to x_stack_check_probe_note.
9867 (tail_recursion_reentry): Rename to stack_check_probe_note.
9868 * function.c: Replace tail_recursion_reentry with
9869 stack_check_probe_note everywhere.
9870 (expand_function_start): Only emit a note for
9871 stack_check_probe_note with -fstack-protect.
9872 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9874 * emit-rtl.c (remove_unnecessary_notes): Remove.
9875 (pass_remove_unnecessary_notes): Remove.
9876 * rtl.h (remove_unnecessary_notes): Remove prototype.
9877 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9878 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9879 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9881 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9884 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9885 (valid_in_set): Handle ARRAY_REF.
9886 Change "if min_variant or VH" to asserts.
9887 (create_component_ref_by_pieces): Handle ARRAY_REF.
9888 (create_expression_by_pieces): Likewise.
9889 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9891 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9893 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9894 is operand of switch, not str[0].
9896 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9898 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9899 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9901 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9903 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9904 end of insn_extra_address_constraint declaration.
9906 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9908 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9909 (no-sum-in-toc): Same.
9910 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9912 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9913 NO_FP_IN_TOC for -fPIC instead of mask.
9915 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9916 (BOOT_LDFLAGS): Delete.
9918 * config/rs6000/t-aix52: Same.
9920 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9921 (stmsi[345678]_power): New.
9923 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9925 * config/ia64/ia64.opt: Add empty line to end of file.
9927 2006-03-17 Richard Guenther <rguenther@suse.de>
9930 * builtins.c (get_pointer_alignment): For component style references
9931 adjust alignment to the component type alignment. Make sure
9932 to adjust alignment for component access of constants.
9934 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9936 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9939 2006-03-17 Paul Brook <paul@codesourcery.com>
9941 * doc/install.texi: Docuemnt --with-mode.
9942 * config.gcc: Add --with-mode for arm*-*-*.
9943 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9945 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9947 * sh.c (max_labelno_before_reorg): New variable.
9948 (sh_reorg): Initialize it.
9949 (find_barrier): Check max_labelno_before_reorg before using
9950 label_to_alignment. Take length of explicit alignment insns
9951 into account. When seeing a UNSPECV_CONST_END, return it.
9953 * sh.c (fixup_mova): Set mode of affected label to QImode.
9954 (untangle_mova): New function.
9955 (find_barrier): Use it. Check mode of label before decrementing
9957 (sh_reorg): Likewise.
9958 Set mode of all insns back to VOIDmode.
9960 * sh.c (MOVA_LABELREF): New macro.
9961 (mova_p, fixup_mova, sh_reorg): Use it.
9962 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9963 ADDR_DIFF_VEC matches mova.
9965 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9967 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9968 with ATTRIBUTE_UNUSED.
9970 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9972 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9973 pointer, instead of assuming it is possible to derive the
9974 correct args size from a call insn.
9976 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9978 * rtl.h (CONST_INT_P): Define.
9979 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9980 instead of GET_CODE(x) == CONST_INT.
9981 (vax_rtx_costs): Likewise.
9982 (vax_output_int_move): Likewise.
9983 (vax_output_int_add): Likewise.
9984 (legitimate_constant_address_p): Likewise.
9985 (index_term_p): Likewise.
9986 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9987 * config/vax/vax.md (and<mode>3): Likewise.
9988 (ashrsi3): Likewise.
9990 (movstricthi): Likewise.
9991 (movstrictqi): Likewise.
9992 (rotrsi3): Likewise.
9993 (five unnamed insns): Likewise.
9995 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9997 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9998 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9999 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10000 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10001 Pass to ASM_OUTPUT_DWARF_OFFSET.
10002 * dwarf2out.c (debug_frame_section): New.
10003 (output_call_frame_info): Use debug_frame_section. Pass it to
10004 dw2_asm_output_offset.
10005 (output_die): Pass appropriate section to dw2_asm_output_offset.
10006 (output_compilation_unit_header): Likewise.
10007 (output_pubnames): Likewise.
10008 (output_aranges): Likewise.
10009 (enum dw_val_class): Break dw_val_class_lbl_offset into
10010 dw_val_class_lineptr and dw_val_class_macptr.
10011 (add_AT_lbl_offset): Delete.
10012 (add_AT_lineptr): New.
10013 (add_AT_macptr): New.
10014 (AT_lbl): Expect a lineptr or macptr.
10015 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10016 (attr_checksum): Likewise.
10017 (same_dw_val_p): Likewise.
10018 (size_of_die): Likewise.
10019 (value_format): Likewise.
10020 (output_die): Likewise.
10021 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10023 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10024 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10025 * config/darwin-protos.h (darwin_file_start): New.
10026 (darwin_asm_output_dwarf_offset): New.
10027 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10028 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10030 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10031 if not EH section; simplify.
10032 (darwin_file_start): New.
10033 (darwin_asm_output_dwarf_offset): New.
10034 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10036 (DEBUG_INFO_SECTION): Likewise.
10037 (DEBUG_ABBREV_SECTION): Likewise.
10038 (DEBUG_ARANGES_SECTION): Likewise.
10039 (DEBUG_MACINFO_SECTION): Likewise.
10040 (DEBUG_LINE_SECTION): Likewise.
10041 (DEBUG_LOC_SECTION): Likewise.
10042 (DEBUG_PUBNAMES_SECTION): Likewise.
10043 (DEBUG_STR_SECTION): Likewise.
10044 (DEBUG_RANGES_SECTION): Likewise.
10045 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10046 (ASM_OUTPUT_DWARF_OFFSET): New.
10048 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10050 * config.gcc (tm_defines): Always add to previous value rather
10053 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10055 * config/mips/predicates.md (splittable_const_int_operand): New,
10056 split from move_operand.
10057 (splittable_symbolic_operand): New.
10058 (move_operand): Add commentary. Use splittable_const_int_operand.
10059 Inline mips_atomic_symbolic_constant_p.
10060 * config/mips/mips.md: Add combine splitters for handling moves
10061 of splittable_const_int_operands and splittable_symbolic_operands.
10062 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10063 (mips_split_symbol): Declare.
10064 (mips_move_integer): Declare.
10065 * config/mips/mips.c (mips_split_p): Make global.
10066 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10067 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10068 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10069 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10070 (mips_offset_within_object_p): Handle block symbols.
10071 (mips_atomic_symbolic_constant_p): Delete.
10072 (mips_cannot_force_const_mem): Return false for constants that
10073 mips_legitimize_move can handle.
10074 (mips_use_blocks_for_constant_p): New function.
10075 (mips_split_symbol): Make global.
10076 (mips_move_integer): Likewise. Add a temporary register argument.
10077 (mips_legitimize_const_move): Use splittable_const_int_operand and
10078 splittable_symbolic_operand.
10079 (mips_use_anchors_for_symbol_p): New function.
10080 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10081 (mips_split_p): Declare.
10083 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10085 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10086 (mips*-*-linux*): Likewise.
10088 2006-03-16 Roger Sayle <roger@eyesopen.com>
10089 Daniel Speyer <dspeyer@wam.umd.edu>
10091 PR middle-end/18259
10092 * tree-dump.c (dump_real): New function.
10093 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10094 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10095 (tree-dump.o): Add $(REAL_H) to the dependencies.
10097 2006-03-16 Roger Sayle <roger@eyesopen.com>
10099 PR middle-end/21781
10100 * real.c (real_from_string): If the mantissa is zero, don't bother
10101 parsing the exponent as the result should always be zero.
10103 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10105 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10107 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10109 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10110 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10111 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10112 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10113 ia64_sched_finish_global): New static functions to implement
10114 hooks from gcc_target.sched.
10115 (spec_check_no, max_uid, pending_data_specs): New static variables.
10116 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10117 ia64_spec_check_src_p): New static functions.
10118 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10119 (TARGET_SCHED_ADJUST_COST): Removed.
10120 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10121 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10122 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10123 TARGET_SCHED_GEN_CHECK,
10124 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10125 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10126 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10127 Fixed to handle speculation checks.
10128 (rtx_needs_barrier): Fixed to handle speculative loads and
10130 (ia64_variable_issue): Added code to count speculative loads and their
10132 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10134 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10136 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10138 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10139 (ia64_reorg): Reset stops_p to NULL after it is freed.
10140 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10141 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10142 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10144 (data_speculative, control_speculative, check_load): New attributes.
10145 (mov<mode>_advanced, mov<mode>_speculative,
10146 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10147 zero_extend<mode>di2_speculative,
10148 zero_extend<mode>di2_speculative_advanced): New patterns for
10149 data and control speculative loads.
10150 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10152 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10153 New pattern for data and control speculation checks.
10154 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10155 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10156 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10157 Auxiliary definitions for the patterns.
10158 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10159 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10161 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10163 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10164 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10165 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10166 New resource constraints.
10167 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10169 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10170 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10171 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10172 msched-in-control-spec, msched-ldc, msched-control-ldc,
10173 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10174 msched-prefer-non-control-spec-insns,
10175 msched-count-spec-in-critical-path): New flags to tune speculative
10177 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10178 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10179 msched-in-control-spec, msched-ldc, msched-control-ldc,
10180 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10181 msched-prefer-non-control-spec-insns,
10182 msched-count-spec-in-critical-path): Document new flags.
10184 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10186 * target.h (struct spec_info_def): New opaque declaration.
10187 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10188 speculate_insn, needs_block_p, gen_check,
10189 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10190 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10191 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10192 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10193 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10194 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10196 (TARGET_SCHED): Use new macros.
10197 * rtl.h (copy_DEPS_LIST_list): New prototype.
10198 * sched-int.h (struct sched_info): Change signature of new_ready field,
10199 adjust all initializations. New fields: add_remove_insn,
10200 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10201 region_head_or_leaf_p.
10202 (struct spec_info_def): New structure declaration.
10203 (spec_info_t): New typedef.
10204 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10205 recovery_block, orig_pat.
10206 (glat_start, glat_end): New variables declaraions.
10207 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10209 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10210 DETACH_LIFE_INFO, USE_GLAT.
10211 (enum SPEC_SCHED_FLAGS): New enumeration.
10212 (NOTE_NOTE_BB_P): New macro.
10213 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10214 attach_life_info, debug_spec_status, check_reg_live): New functions.
10215 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10216 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10218 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10219 * ddg.c (get_block_head_tail): Adjust all uses.
10220 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10221 (sms_sched_info): Initialize new fields.
10222 (contributes_to_priority): Removed.
10223 * haifa-sched.c (params.h): New include.
10224 (get_block_head_tail): Adjust all uses.
10225 (ISSUE_POINTS): New macro.
10226 (glat_start, glat_end): New global variables.
10227 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10228 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10229 old_last_basic_block, before_recovery, current_sched_info_var,
10230 rgn_n_insns, luid): New static variables.
10231 (insn_cost1): New function. Move logic from insn_cost to here.
10232 (find_insn_reg_weight1): New function. Move logic from
10233 find_insn_reg_weight to here.
10234 (reemit_notes, move_insn, max_issue): Change signature.
10235 (move_insn1): Removed.
10236 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10237 extend_bb): New static functions to support extension of scheduler's
10239 (generate_recovery_code, process_insn_depend_be_in_spec,
10240 begin_speculative_block, add_to_speculative_block,
10241 init_before_recovery, create_recovery_block, create_check_block_twin,
10242 fix_recovery_deps): New static functions to support
10243 generation of recovery code.
10244 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10245 restore_bb_notes, move_block_after_check, move_succs): New static
10246 functions to support ebb scheduling.
10247 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10248 functions to support handling of register live information.
10249 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10250 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10251 add_jump_dependencies): New static functions.
10252 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10253 consistancy checking.
10254 (debug_spec_status): New function to call from debugger.
10255 (priority): Added code to handle speculation checks.
10256 (rank_for_schedule): Added code to distinguish speculative instructions.
10257 (schedule_insn): Added code to handle speculation checks.
10258 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10259 Fixed to handle ebbs.
10260 (move_insn): Added code to handle ebb scheduling.
10261 (max_issue): Added code to use ISSUE_POINTS of instructions.
10262 (choose_ready): Added code to choose between speculative and
10263 non-speculative instructions.
10264 (schedule_block): Added code to handle ebb scheduling and scheduling of
10265 speculative instructions.
10266 (sched_init): Initialize new variables.
10267 (sched_finish): Free new variables. Print statistics.
10268 (try_ready): Added code to handle speculative instructions.
10269 * lists.c (copy_DEPS_LIST_list): New function.
10270 * sched-deps.c (extend_dependency_caches): New function. Move logic
10271 from create_dependency_caches to here.
10272 (get_dep_weak, ds_merge): Make global.
10273 * genattr.c (main): Code to output prototype for
10274 dfa_clear_single_insn_cache.
10275 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10276 (output_dfa_clean_insn_cache_func): Code to output
10277 dfa_clear_single_insn_cache function.
10278 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10280 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10282 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10283 New static variables.
10284 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10285 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10287 (ebb_sched_info): Initialize new fields.
10288 (get_block_head_tail): Adjust all uses.
10289 (compute_jump_reg_dependencies): Fixed to use glat_start.
10290 (schedule_ebb): Code to remove unreachable last block.
10291 (schedule_ebbs): Added code to update register live information.
10292 * sched-rgn.c (region_sched_info): Initialize new fields.
10293 (get_block_head_tail): Adjust all uses.
10294 (last_was_jump): Removed. Adjust users.
10295 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10296 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10297 Implement new hooks.
10298 (check_dead_notes1): New static function.
10299 (struct region): New fields: dont_calc_deps, has_real_ebb.
10300 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10301 (BB_TO_BLOCK): Fixed to handle EBBs.
10302 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10303 (ebb_head): New static variable.
10304 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10305 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10307 (compute_dom_prob_ps): New assertion.
10308 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10309 global_live_at_start.
10310 (init_ready_list): New assertions.
10311 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10312 (new_ready): Add support for BEGIN_CONTROL speculation.
10313 (schedule_insns): Fixed code that updates register live information
10315 (schedule_region): Fixed to handle EBBs.
10316 (init_regions): Use extend_regions and check_dead_notes1.
10317 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10318 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10319 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10320 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10321 TARGET_SCHED_GEN_CHECK,
10322 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10323 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10324 * doc/invoke.texi (max-sched-insn-conflict-delay,
10325 sched-spec-prob-cutoff): Document.
10327 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10329 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10330 inter_tick, queue_index.
10331 (struct sched_info): Change signature of init_ready_list field.
10332 Adjust all initializations.
10333 (RESOLVED_DEPS): New access macro.
10334 (ready_add): Remove prototype.
10335 (try_ready): Add prototype.
10336 * sched-rgn.c (init_ready_list): Use try_ready.
10337 (schedule_region): Initialize
10338 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10339 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10340 (init_ready_list): Use try_ready.
10341 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10342 * lists.c (remove_list_elem): Remove `static'.
10343 (remove_free_INSN_LIST_elem): New function.
10344 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10345 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10346 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10348 (readyp): New variable.
10349 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10350 change_queue_index, resolve_dep): New static functions.
10351 (try_ready): New function. Adjust callers in sched-rgn.c and
10352 sched-ebb.c to use it instead of ready_add.
10353 (clock_var): Move at the begining of file.
10354 (rank_for_schedule): Fix typo.
10355 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10356 (ready_lastpos): Enforce assertion.
10357 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10358 update all callers.
10359 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10360 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10361 (queue_to_ready): Use free_INSN_LIST_list.
10362 (early_queue_to_ready): Fix typo.
10363 (schedule_block): Init readyp. Move init_ready_list call after the
10364 initialization of clock_var. Fix error in rejecting insn by
10365 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10366 that previously corrected INSN_TICKs. Add code for handling
10368 (set_priorities): Fix typo.
10369 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10370 Clarify comment and code that keeps current_sched_info->next_tail
10373 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10375 * sched-rgn.c (extend_rgns): New static function.
10376 (find_rgns): Use it.
10377 (gather_region_statistics, print_region_statistics): New static
10379 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10380 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10382 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10383 Andrey Belevantsev <abel@ispras.ru>
10385 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10386 * lists.c (unused_deps_list): New variable.
10387 (free_list): Add assertions to verify the proper distinguishing
10388 between INSN_LISTs and DEPS_LISTs.
10389 (find_list_elem, remove_list_elem, remove_list_node): New static
10391 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10392 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10393 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10394 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10396 (free_INSN_LIST_node): Likewise.
10397 * modulo-sched.c (current_sched_info): Initialize flags field.
10398 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10399 * rtl.def (DEPS_LIST): Define.
10400 * rtl.h: Declare new functions from lists.c.
10401 * sched-deps.c (spec_dependency_cache): New static variable.
10402 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10403 (add_dependence): Change return type to void. Move the logic to ...
10404 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10405 (delete_all_dependences): Add comment about forward_dependency_cache.
10406 Handle spec_dependency_cache. Handle DEPS_LISTs.
10407 (fixup_sched_groups): Clarify the change of priority of output
10408 and anti dependencies.
10409 (sched_analyze_2): Adjust add_dependence calls to create data
10410 speculative dependence.
10411 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10412 Adjust all callers. Handle DEPS_LISTS.
10413 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10414 presence of speculation.
10415 (init_dependency_caches, free_dependency_caches):
10416 Handle spec_dependency_cache.
10417 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10418 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10419 New static functions.
10420 (add_or_update_back_dep, add_or_update_back_forw_dep,
10421 add_back_forw_dep, delete_back_forw_dep): New functions.
10422 * sched-int.h (ds_t, dw_t): New typedefs.
10423 (struct sched_info): Add new field flags.
10424 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10425 Prototype new sched-deps.c functions.
10426 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10427 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10428 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10429 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10430 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10431 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10433 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10435 * sched-rgn.c (current_sched_info): Initialize flags field.
10436 (schedule_insns): Initialize current_sched_info before the sched_init
10438 * sched-ebb.c (current_sched_info): Initialize flags field.
10439 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10440 Call add_or_update_back_dep instead of add_dependence.
10441 Create control speculative dependencies.
10442 (schedule_insns): Initialize current_sched_info before the sched_init
10445 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10447 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10449 (sh_fallback_frame_state): Likewise.
10451 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10453 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10454 Do switch on default_use_cxa_atexit.
10455 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10456 * config/darwin-crt3.o: New.
10457 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10458 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10459 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10461 * config/rs6000/t-darwin: Move crt2.o building to here.
10462 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10463 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10466 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10468 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10469 from '! xxx' to '!xxx' for coding-style conformance.
10470 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10471 (EXTRA_CONSTRAINT): Likewise.
10472 * config/vax/vax.md (four unnamed insns): Likewise.
10474 2006-03-15 Paul Brook <paul@codesourcery.com>
10476 * config/arm/arm.c (minipool_pad): New.
10477 (add_minipool_forward_ref): Include pool alignment padding in address
10479 (push_minipool_fix): Set minipool_pad.
10480 (minipool_pad): Ditto.
10482 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10484 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10485 instead of GET_CODE() == MEM and REG_P() instead of
10487 (print_operand_address): Likewise.
10488 (vax_address_cost): Likewise.
10489 (vax_rtx_costs): Likewise.
10490 (vax_notice_update_cc): Likewise.
10491 (vax_output_int_add): Likewise.
10492 (INDEX_REGISTER_P): Likewise.
10493 (BASE_REGISTER_P): Likewise.
10494 (nonindexed_address_p): Likewise.
10495 (vax_mode_dependent_address_p): Likewise.
10496 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10497 (PRINT_OPERAND): Likewise.
10498 * config/vax/vax.md (ashlsi3): Likewise.
10499 (ashlsi3): Likewise.
10500 (some more unnamed insns): Likewise.
10502 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10504 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10505 iterator-style macro.
10506 (mark_control_dependent_edges_necessary): Update the use of
10507 EXECUTE_IF_CONTROL_DEPENDENT.
10509 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10511 * config/sh/predicates.md (cache_address_operand): Special.
10512 (ua_address_operand): Likewise.
10514 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10516 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10518 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10520 2006-03-15 Andreas Schwab <schwab@suse.de>
10522 * gensupport.c (identify_predicable_attribute): Don't free p_false
10523 when it is still in use.
10525 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10527 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10528 the default setting here.
10530 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10532 * tree-pass.h (pass_cfg): Remove.
10533 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10534 * passes.c (pass_cfg): Don't run it.
10536 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10538 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10539 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10541 (stack_regs_mentioned): Update the uses of
10542 stack_regs_mentioned_data. Don't access the array beyond its
10544 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10545 Don't include gt-reg-stack.h.
10547 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10548 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10550 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10552 PR middle-end/26684
10553 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10556 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10558 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10560 2006-03-14 Richard Guenther <rguenther@suse.de>
10562 PR tree-optimization/26672
10563 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10566 2006-03-14 Richard Guenther <rguenther@suse.de>
10568 PR tree-optimization/26667
10569 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10570 node for the callees. Always allow inlining if it will shrink
10573 2006-03-14 Richard Guenther <rguenther@suse.de>
10575 PR middle-end/26659
10576 * builtins.c (get_pointer_alignment): Prefer alignment
10577 information from decls over that from types.
10579 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10582 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10584 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10586 * config/rs6000/rs6000.opt (mdlmzb): New option.
10587 (msched-prolog, msched-epilog): Use Var not Mask.
10588 * doc/invoke.texi (-mdlmzb): Document.
10589 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10591 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10592 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10594 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10596 PR rtl-optimization/25739
10597 * bt-load.c (augment_live_range): Free tos pointer.
10599 * gensupport.c (identify_predicable_attribute): Free
10601 * gcov.c (create_file_names): Free name pointer.
10603 2006-03-13 Roger Sayle <roger@eyesopen.com>
10605 PR middle-end/26557
10606 * stmt.c (emit_case_nodes): Handle the case where the index is a
10607 CONST_INT, where the comparison mode is specified by the index type.
10609 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10611 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10614 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10616 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10617 (*branch_fp_inverted): Likewise.
10619 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10621 PR middle-end/25989
10622 * omp-low.c (expand_omp_for_generic): Mark istart0
10623 and iend0 as addressable.
10625 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10627 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10629 2006-03-13 Jeff Law <law@redhat.com>
10631 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10632 virtual operands are interesting.
10633 (vrp_visit_stmt): Corresponding changes.
10635 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10637 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10639 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10640 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10641 * config/bfin/crti.S: Use it instead of __PIC__.
10642 * config/bfin/crtn.S: Likewise.
10644 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10645 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10647 Lose 'G' modifier for call operand.
10648 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10649 recognize 'G' modifier.
10651 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10653 PR middle-end/18859
10654 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10655 * stmt.c (expand_case): Likewise.
10657 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10659 PR rtl-optimization/26254
10660 * loop-invariant.c (seq_insns_valid_p): New function.
10661 (move_invariant_reg): Only emit new code if it is valid.
10663 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10665 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10667 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10668 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10669 (commit_one_edge_insertion): Do not look for loop notes.
10671 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10673 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10674 flag_test_coverage out of loop.
10676 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10678 * final.c (shorten_branches): Remove outdated comment, and turn
10679 the if branch that guards it to continue.
10681 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10683 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10684 * cfgloop.h (struct loop): Remove unused fields.
10686 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10688 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10689 (-dL, -fdump-rtl-loop2): Update the dump file names
10691 * doc/invoke.texi: Update dump file names.
10693 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10695 * predict.c (estimate_probability): Remove.
10696 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10697 * basic-block.h (estimate_probability): Remove prototype.
10698 * passes.c (finish_optimization_passes): Dump branch prediction or
10699 profiling heuristics to the .profile tree dump.
10700 (init_optimization_passes): Unqueue pass_branch_prob.
10702 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10704 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10706 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10707 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10709 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10711 * function.h (frame_offset_overflow): Declare.
10712 * function.c (frame_offset_overflow): New function.
10713 (assign_stack_local_1): Call it to detect that the offset overflows.
10714 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10716 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10718 * config/sh/sh.c: Include alloc-pool.h.
10719 (label_ref_list_pool): New alloc pool.
10720 (label_ref_list_t): New type for lists of labels.
10721 (struct pool_node): Make wend a label_ref_list_t.
10722 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10724 (dump_table): Likewise.
10725 (sh_reorg): Set up the alloc pool before using add_constant and
10726 dump_table, and destroy it when finishing.
10728 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10730 * config/mips/mips.c: Remove redundant comment.
10732 2006-03-10 Jason Merrill <jason@redhat.com>
10735 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10736 the target was declared 'register'.
10738 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10740 * genpreds.c (write_insn_constraint_len): Change definition of
10741 insn_constraint_len to return size_t to match the declaration.
10743 2006-03-10 DJ Delorie <dj@redhat.com>
10745 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10747 (m32c_expand_insv): Fix test for an AND mask.
10749 2006-03-10 Richard Guenther <rguenther@suse.de>
10751 PR middle-end/26565
10752 * builtins.c (get_pointer_alignment): Handle component
10753 references for field alignment.
10755 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10757 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10758 when building with libgloss.
10759 (sh*elf): Implement --without-fp option.
10760 (sh64-superh-linux*): Don't multilib.
10762 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10764 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10766 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10768 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10769 Set it when one of the replacement functions returned true.
10770 Return TODO_cleanup_cfg if cfgchanged is true.
10771 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10773 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10775 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10776 instead of gen_lowpart.
10778 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10780 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10782 (mips_output_order_conditional_branch): Declare.
10783 * config/mips/mips.h (MIPS_BRANCH): New macro.
10784 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10785 for the comparison. Use gen_condjump.
10786 (mips_output_conditional_branch): Rework interface to take the
10787 asm templates for a direct branch and the inverse of a direct branch.
10788 (mips_output_order_conditional_branch): New function.
10789 (mips_builtin_branch_and_move): New function.
10790 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10791 branch condition. Use gen_single_cc as the condition for
10792 __builtin_mips_upper_* or __builtin_mips_lower_*.
10793 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10794 Use VOIDmode for the branch condition.
10795 * config/mips/predicates.md (order_operator): New predicate.
10796 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10797 (branch_fp): Rename to...
10798 (*branch_fp): ...this. Remove mode from comparison operator.
10799 Use new mips_output_conditional_branch interface.
10800 (branch_fp_inverted): Rename to...
10801 (*branch_fp_inverted): ...this and update as for *branch_fp.
10802 (*branch_zero<mode>): Rename to...
10803 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10804 Use mips_output_order_conditional_branch. Only accept ordered
10806 (*branch_zero<mode>_inverted): Rename to...
10807 (*branch_order<mode>_inverted): ...this and update as for
10808 *branch_order<mode>.
10809 (*branch_equality<mode>): Accept zero as the second operand to
10810 the equality operator. Use the new mips_output_conditional_branch
10812 (*branch_equality<mode>_inverted): Likewise.
10813 (condjump): New expander.
10814 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10816 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10817 (bc1any2t, bc1any2f): Likewise.
10818 (single_cc): New expander.
10819 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10821 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10823 * doc/md.texi: Update documentation of MIPS constraints.
10824 * config/mips/constraints.md: New file.
10825 * config/mips/mips.md: Include it.
10826 * config/mips/mips.c (mips_char_to_class): Delete.
10827 (override_options): Don't initialize mips_char_to_class.
10828 * config/mips/mips.h (mips_char_to_class): Delete.
10829 (REG_CLASS_FROM_LETTER): Delete.
10830 (CONST_OK_FOR_LETTER_P): Delete.
10831 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10832 (EXTRA_CONSTRAINT_Y): Delete.
10833 (EXTRA_CONSTRAINT_STR): Delete.
10834 (CONSTRAINT_LEN): Delete.
10835 (EXTRA_MEMORY_CONSTRAINT): Delete.
10837 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10839 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10840 original fn's eh regions.
10842 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10844 * fold-const.c (build_range_check): Make sure to use a valid type to
10845 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10848 (range_predecessor): New static function.
10849 (range_successor): Likewise.
10850 (merge_ranges): Use them to compute predecessors and successors of
10853 2006-03-09 Roger Sayle <roger@eyesopen.com>
10855 PR middle-end/26561
10856 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10857 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10859 2006-03-08 DJ Delorie <dj@redhat.com>
10861 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10862 (addpsi3): Expand to include memory operands. Remove
10863 reload-specific splits.
10864 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10865 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10866 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10867 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10868 (shift1_qi, shift1_hi, insv): New.
10869 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10870 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10871 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10873 * config/m32c/m32c-protos.h: Update as needed.
10874 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10875 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10876 Fail for unrecognized R* constraints.
10877 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10878 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10879 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10881 (m32c_init_libfuncs): New.
10882 (m32c_legitimate_address_p): Add debug wrapper.
10883 (m32c_rtx_costs): New.
10884 (m32c_address_cost): New.
10885 (conversions): Add 'B' prefix.
10886 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10887 operands, or word regnames for QI operands. 'B' prints bit
10889 (m32c_expand_setmemhi): New.
10890 (m32c_expand_movmemhi): New.
10891 (m32c_expand_movstr): New.
10892 (m32c_expand_cmpstr): New.
10893 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10894 (m32c_expand_neg_mulpsi3): Handle non-ints.
10895 (m32c_cmp_flg_0): New.
10896 (m32c_expand_movcc): New.
10897 (m32c_expand_insv): New.
10898 (m32c_scc_pattern): New.
10899 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10900 a0/a1 out of SIregs.
10901 (STORE_FLAG_VALUE): New.
10902 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10905 * config/m32c/mov.md: Make constraints more liberal.
10906 (zero_extendqihi2): Optimize r0/r1 case.
10907 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10908 * config/m32c/predicates.md (m32c_any_operand): New.
10909 (m32c_nonimmediate_operand): New.
10910 (m32c_hl_operand): New.
10911 (m32c_r3_operand): New.
10914 (memsym_operand): New.
10915 (memimmed_operand): New.
10916 (a_qi_operand): New.
10917 (m32c_eqne_operator): New.
10918 (m32c_1bit8_operand): New.
10919 (m32c_1bit16_operand): New.
10920 (m32c_1mask8_operand): New.
10921 (m32c_1mask16_operand): New.
10922 * config/m32c/blkmov.md: New file.
10923 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10925 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10927 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10928 unsigned to fix signed/unsigned comparison issue in
10929 DWARF2_FRAME_REG_OUT.
10930 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10931 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10933 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10934 of ptr into the ENABLE_CHECKING section.
10936 2006-03-08 Jeff Law <law@redhat.com>
10938 * tree-vrp.c (infer_value_range): Only count pointer uses
10939 and dereferences if -fdelete-null-pointer-checks is enabled.
10941 * tree-vrp.c (find_assert_locations): Infer value ranges for
10942 single use pointers, but do not create ASSERT_EXPRs for them.
10943 When a non-null range is inferred for a pointer, backwards
10944 propagate that range to other equivalent pointers through the
10947 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10950 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10951 language hook targets.
10952 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10953 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10954 if language hook targets were missing.
10956 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10958 * tree-ssa-opfinalize.h: Removed.
10959 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10961 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10962 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10963 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10964 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10965 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10966 finalize_ssa_v_must_def_ops): New.
10968 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10970 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10971 block as parameter.
10973 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10975 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10977 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10978 addresses with offsets; reorganize.
10980 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10981 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10982 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10984 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10987 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10989 2006-03-08 Ben Elliston <bje@au.ibm.com>
10991 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10993 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10996 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10999 2006-03-07 Richard Guenther <rguenther@suse.de>
11001 PR tree-optimization/26587
11002 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11004 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11006 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11008 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11010 * hooks.c (hook_bool_mode_rtx_true): New function.
11011 * hooks.h (hook_bool_mode_rtx_true): Declare.
11012 * toplev.c (compile_file): Call output_shared_constant_pool.
11013 * varasm.c (shared_constant_pool): New variable.
11014 (assemble_start_function, assemble_end_function): Remove arguments
11015 from call to output_constant_pool.
11016 (create_constant_pool): New function, split out from...
11017 (init_varasm_status): ...here.
11018 (force_const_mem): Choose between the shared and per-function constant
11019 pools. Set current_function_uses_const_pool when reusing old entries
11020 as well as when creating new ones.
11021 (mark_constant): Ignore data argument.
11022 (mark_constants): Remove pool argument.
11023 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11024 to decide whether the function uses a constant pool.
11025 (output_constant_pool_contents): New function, split out from...
11026 (output_constant_pool): ...here.
11027 (output_shared_constant_pool): New function.
11028 (init_varasm_once): Initialize shared_constant_pool.
11029 * output.h (output_constant_pool): Delete.
11030 (output_shared_constant_pool): Declare.
11031 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11032 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11034 2006-03-06 Nick Clifton <nickc@redhat.com>
11036 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11037 flag_strength_reduce.
11039 2006-03-06 Ben Elliston <bje@au.ibm.com>
11041 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11042 x86_64-*-linux* configurations.
11044 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11045 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11047 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11049 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11051 * basic-block.h: Remove the extern for
11052 rediscover_loops_after_threading.
11054 * cfgloop.c (cancel_loop): Make it static.
11055 * cfgloop.h: Remove the prototype for cancel_loop.
11057 * flow.c (recompute_reg_usage): Make it static.
11058 * rtl.h: Remove the prototype for recompute_reg_usage.
11060 * function.c (use_return_register): Make it static.
11061 * function.h: Remove the prototype.
11063 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11065 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11067 * recog.h: Remove the prototype for
11068 validate_change_maybe_volatile.
11070 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11072 * rtlanal.c (replace_reg): Remove.
11073 * rtl.h: Remove the prototype for replace_reg.
11075 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11077 * regclass.c (reg_scan_update): Remove.
11078 (reg_scan_mark_refs): Remove the last argument.
11079 * rtl.h: Remove the prototype for reg_scan_update.
11081 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11083 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11084 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11085 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11086 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11087 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11088 loop-invariant.c, omp-low.c, opts.c, passes.c,
11089 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11090 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11091 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11092 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11093 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11094 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11096 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11098 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11099 * dwarf2out.h: Remove the prototype for
11100 dwarf2out_add_library_unit_info.
11102 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11104 * tree.c (add_var_to_bind_expr): Remove.
11105 * tree.h: Remove the prototype for add_var_to_bind_expr.
11107 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11109 * regclass.c (n_non_fixed_regs): Remove.
11110 (init_reg_sets_1, globalize_reg): Remove all uses of
11112 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11114 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11116 * rtlanal.c (insns_safe_to_move_p): Remove.
11117 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11121 * expmed.c (expand_mult_add): Remove.
11122 * expr.h: Remove the prototype for expand_mult_add.
11124 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11126 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11127 and REG_SAVED_VAL_EXP constants.
11128 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11129 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11130 Handle regs stored by value.
11131 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11132 (execute_cfa_program): Handle DW_CFA_val_offset,
11133 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11134 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11135 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11136 (uw_install_context_1): Handle target regs stored by value.
11138 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11140 * tree-sra.c (tree_sra): Return todoflags;
11141 (generate_one_element): Set TODO_update_smt_usage if needed.
11142 (pass_sra): Remove TODO_update_smt_usage.
11143 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11145 (tree_ssa_forward_propagate_single_use_vars): Return
11146 TODO_update_smt_usage if we need to update SMT usage.
11147 (pass_forwprop): Remove TODO_update_smt_usage.
11149 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11151 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11152 (correct_use_link): Remove reference to get_stmt_operands.
11153 (update_stmt_operands): Likewise.
11154 (get_modify_expr_operands): New function factored out of
11155 parse_ssa_operands and get_expr_operands.
11156 Try to create V_MUST_DEFs for LHS by default.
11157 (get_expr_operands) <case MODIFY_EXPR>: Call
11158 get_modify_expr_operands.
11159 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11160 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11161 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11162 get_modify_expr_operands.
11164 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11166 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11167 * tree-flow.h: Remove the prototype for
11168 referenced_var_lookup_if_exists.
11170 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11172 PR rtl-optimization/26345
11174 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11176 2006-03-03 Roger Sayle <roger@eyesopen.com>
11178 PR tree-optimization/26524
11179 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11180 fold_convert to create a constant of the appropriate type.
11182 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11184 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11185 SYMBOL_REF_IN_BLOCK_P.
11186 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11187 of SYMBOL_FLAG_IN_BLOCK.
11188 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11189 instead of SYMBOL_REF_IN_BLOCK_P.
11190 * explow.c (use_anchored_address): Likewise.
11191 * rtl.c (rtx_size): Likewise.
11192 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11193 instead of SYMBOL_FLAG_IN_BLOCK.
11194 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11195 SYMBOL_REF_IN_BLOCK_P.
11196 (assemble_variable): Likewise.
11197 (output_constant_def_contents): Likewise.
11198 (output_constant_pool): Likewise.
11199 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11200 instead of SYMBOL_FLAG_IN_BLOCK.
11201 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11202 SYMBOL_REF_IN_BLOCK_P.
11203 (SYMBOL_REF_BLOCK): Likewise.
11204 (SYMBOL_REF_OFFSET): Likewise.
11205 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11206 SYMBOL_REF_IN_BLOCK_P.
11207 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11208 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11209 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11210 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11212 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11214 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11216 2006-03-02 Roger Sayle <roger@eyesopen.com>
11218 * simplify-rtx.c (simplify_unary_operation): When simplifying
11219 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11220 that we perform the right shift in the appropriate mode, and
11221 then extend or truncate the result to requested mode.
11223 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11225 * gengtype.c (main): Handle double_int type.
11226 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11227 * double-int.c: New file.
11228 * double-int.h: New file.
11229 * system.h: Include doubleint.h.
11230 * Makefile.in (SYSTEM_H): Include double-int.h.
11231 (double-int.o): Add.
11233 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11236 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11239 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11241 * tree-vrp.c (remove_range_assertions): Do not update statements
11244 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11246 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11248 * gcse.c (rest_of_handle_gcse): Ditto.
11249 * except.c (gate_handle_eh): Ditto.
11250 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11251 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11253 2006-03-02 Eric Christopher <echristo@apple.com>
11255 * config/i386/i386.c (machopic_output_stub): Add indirection to
11258 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11262 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11264 Sun Niagara specific optimizations.
11265 * config.gcc: Recognize niagara as target.
11266 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11267 (TARGET_CPU_niagara): Define.
11268 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11269 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11270 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11271 (ASM_CPU_SPEC): Likewise.
11272 (PROCESSOR_NIAGARA): New enum entry.
11273 (REGISTER_MOVE_COST): Handle Niagara.
11274 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11275 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11276 (sparc_override_options): Recognize "niagara", set appropriate
11277 default MASK_* values for it, and align functions to 32-bytes
11278 by default just like ULTRASPARC/ULTRASPARC3.
11279 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11280 (sparc64_initialize_trampoline): Likewise.
11281 (sparc_use_sched_lookahead): Use zero for niagara.
11282 (sparc_issue_rate): Use one for niagara.
11283 * config/sparc/niagara.md: New file.
11284 * config/sparc/sparc.md: Include it.
11285 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11286 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11287 when default cpu is niagara.
11288 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11289 (ASM_CPU_SPEC): Likewise.
11290 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11291 when default cpu is niagara.
11292 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11293 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11294 just like v9/ultrasparc/ultrasparc3.
11295 * doc/invoke.texi: Add documentation for "niagara" and improve
11296 existing documentation for ultrasparc variants.
11298 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11300 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11302 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11304 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11305 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11306 and say that only one is needed.
11307 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11308 * target.h (have_switchable_bss_sections): New hook.
11309 * explow.c (use_anchored_address): Check that the symbol is in a block.
11310 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11311 (bss_noswitch_section): New variables.
11312 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11313 (get_noswitch_section): New function.
11314 (get_block_for_section): Allow SECT to be null.
11315 (unlikely_text_section_p): Use SECTION_STYLE.
11316 (bss_initializer_p): New function.
11317 (get_variable_section): Move earlier in file. Take a new argument,
11318 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11319 Return one of the new *_sections in such cases.
11320 (get_block_for_decl): New function, extracting some logic from
11321 use_blocks_for_decl_p.
11322 (change_symbol_section): Remove in favor of...
11323 (change_symbol_block): ...this new function.
11324 (use_blocks_for_decl_p): Remove checks now performed by
11325 get_block_for_decl.
11326 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11327 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11328 (emit_local, emit_bss, emit_common): ...these new functions.
11329 Return true if the alignment was honored.
11330 (emit_tls_common): New function.
11331 (asm_emit_uninitialised): Delete.
11332 (assemble_variable_noswitch): New function, split out from...
11333 (assemble_variable): ...here. Don't make decisions about common
11334 variables here. Globalize all public decls that go into non-common
11335 sections. Check whether SYMBOL_REF_BLOCK is null.
11336 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11337 (output_constant_pool): Likewise.
11338 (init_varasm_once): Initialize the new section variables.
11339 (have_global_bss_p): New function.
11340 (categorize_decl_for_section): Use bss_initializer_p.
11341 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11342 (place_block_symbol): Assert that the symbol must be in a block.
11343 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11344 (TARGET_INITIALIZER): Include it.
11345 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11346 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11347 (SECTION_MACH_DEP): Bump by two.
11348 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11349 (unnamed_section): Mention SECTION_UNNAMED in comment.
11350 (named_section): Likewise SECTION_NAMED.
11351 (noswitch_section_callback): New type.
11352 (noswitch_section): New structure.
11353 (section): Add a noswitch_section alternative.
11354 (SECTION_STYLE): New macro.
11355 (tls_comm_section, comm_section, lcomm_section): Declare.
11356 (bss_noswitch_section, have_global_bss_p): Declare.
11357 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11358 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11360 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11361 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11364 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11366 * tree-vrp.c (execute_vrp): Return value.
11367 * regrename.c (rest_of_handle_regrename): Ditto.
11368 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11369 * tree-complex.c (tree_lower_complex): Ditto.
11370 (tree_lower_complex_O0): Ditto.
11371 * tracer.c (rest_of_handle_tracer): Ditto.
11372 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11373 * postreload.c (rest_of_handle_postreload): Ditto.
11374 * tree-tailcall.c (execute_tail_recursion): Ditto.
11375 (execute_tail_calls): Ditto.
11376 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11377 * tree.h (init_function_for_compilation): Ditto.
11378 * ipa-cp.c (ipcp_driver): Ditto.
11379 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11380 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11381 * final.c (compute_alignments): Ditto.
11382 (rest_of_handle_final): Ditto.
11383 (rest_of_handle_shorten_branches): Ditto.
11384 (rest_of_clean_state): Ditto.
11385 * omp-low.c (execute_expand_omp): Ditto.
11386 (execute_lower_omp): Ditto.
11387 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11388 * ipa-reference.c (static_execute): Ditto.
11389 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11390 * reorg.c (rest_of_handle_delay_slots): Ditto.
11391 (rest_of_handle_machine_reorg): Ditto.
11392 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11393 * flow.c (recompute_reg_usage): Ditto.
11394 (rest_of_handle_remove_death_notes): Ditto.
11395 (rest_of_handle_life): Ditto.
11396 (rest_of_handle_flow2): Ditto.
11397 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11398 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11399 (do_ssa_store_ccp): Ditto.
11400 (execute_fold_all_builtins): Ditto.
11401 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11402 * modulo-sched.c (rest_of_handle_sms): Ditto.
11403 * ipa-pure-const.c (static_execute): Ditto.
11404 * cse.c (rest_of_handle_cse): Ditto.
11405 (rest_of_handle_cse2): Ditto.
11406 * web.c (rest_of_handle_web): Ditto.
11407 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11408 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11409 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11410 * tree-nrv.c (tree_nrv): Ditto.
11411 (execute_return_slot_opt): Ditto.
11412 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11413 (create_structure_vars): Ditto.
11414 * loop-init.c (rtl_loop_init): Ditto.
11415 (rtl_loop_done): Ditto.
11416 (rtl_move_loop_invariants): Ditto.
11417 (rtl_unswitch): Ditto.
11418 (rtl_unroll_and_peel_loops): Ditto.
11419 (rtl_doloop): Ditto.
11420 * gimple-low.c (lower_function_body): Ditto.
11421 (mark_used_blocks): Ditto.
11422 * tree-ssa-sink.c (execute_sink_code): Ditto.
11423 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11424 (cgraph_early_inlining): Ditto.
11425 * global.c (rest_of_handle_global_alloc): Ditto.
11426 * jump.c (cleanup_barriers): Ditto.
11427 (purge_line_number_notes): Ditto.
11428 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11429 (rest_of_handle_if_after_reload): Ditto.
11430 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11431 (tree_ssa_loop_im): Ditto.
11432 (tree_ssa_loop_unswitch): Ditto.
11433 (tree_vectorize): Ditto.
11434 (tree_linear_transform): Ditto.
11435 (tree_ssa_loop_ivcanon): Ditto.
11436 (tree_ssa_empty_loop): Ditto.
11437 (tree_ssa_loop_bounds): Ditto.
11438 (tree_complete_unroll): Ditto.
11439 (tree_ssa_loop_prefetch): Ditto.
11440 (tree_ssa_loop_ivopts): Ditto.
11441 (tree_ssa_loop_done): Ditto.
11442 * predict.c (tree_estimate_probability): Ditto.
11443 * recog.c (split_all_insns_noflow): Ditto.
11444 (rest_of_handle_peephole2): Ditto.
11445 (rest_of_handle_split_all_insns): Ditto.
11446 * tree-eh.c (lower_eh_constructs): Ditto.
11447 * regmove.c (rest_of_handle_regmove): Ditto.
11448 (rest_of_handle_stack_adjustments): Ditto.
11449 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11450 * function.c (instantiate_virtual_regs): Ditto.
11451 (init_function_for_compilation): Ditto.
11452 (rest_of_handle_check_leaf_regs): Ditto.
11453 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11454 (rest_of_handle_gcse): Ditto.
11455 * ipa-type-escape.c (type_escape_execute): Ditto.
11456 * alias.c (rest_of_handle_cfg): Ditto.
11457 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11458 * profile.c (rest_of_handle_branch_prob): Ditto.
11459 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11460 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11461 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11462 * tree-dfa.c (find_referenced_vars): Ditto.
11463 * except.c (set_nothrow_function_flags): Ditto.
11464 (convert_to_eh_region_ranges): Ditto.
11465 (rest_of_handle_eh): Ditto.
11466 * emit-rtl.c (unshare_all_rtl): Ditto.
11467 (remove_unnecessary_notes): Ditto.
11468 * except.h (set_nothrow_function_flags): Ditto.
11469 (convert_to_eh_region_ranges): Ditto.
11470 * cfgexpand.c (tree_expand_cfg): Ditto.
11471 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11472 * tree-ssa-pre.c (do_pre): Ditto.
11473 (execute_fre): Ditto.
11474 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11475 (rest_of_handle_jump2): Ditto.
11476 * tree-sra.c (tree_sra): Ditto.
11477 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11478 (execute_mudflap_function_decls): Ditto.
11479 * tree-ssa-copy.c (do_copy_prop): Ditto.
11480 (do_store_copy_prop): Ditto.
11481 * ipa-prop.h (ipcp_driver): Ditto.
11482 * cfglayout.c (insn_locators_initialize): Ditto.
11483 * tree-ssa-forwprop.c
11484 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11485 * cfglayout.h (insn_locators_initialize): Ditto.
11486 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11487 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11488 (execute_late_warn_uninitialized): Ditto.
11489 * rtl.h (cleanup_barriers): Ditto.
11490 (split_all_insns_noflow): Ditto.
11491 (purge_line_number_notes): Ditto.
11492 (unshare_all_rtl): Ditto.
11493 (remove_unnecessary_notes): Ditto.
11494 (recompute_reg_usage): Ditto.
11495 (variable_tracking_main): Ditto.
11496 * integrate.c (emit_initial_value_sets): Ditto.
11497 * integrate.h (emit_initial_value_sets): Ditto.
11498 * tree-optimize.c (execute_free_datastructures): Ditto
11499 (execute_free_cfg_annotations): Ditto.
11500 (execute_fixup_cfg): Ditto.
11501 (execute_cleanup_cfg_pre_ipa): Ditto.
11502 (execute_cleanup_cfg_post_optimizing): Ditto.
11503 (execute_init_datastructures): Ditto.
11504 * tree-object-size.c (compute_object_sizes): Ditto.
11505 * combine.c (rest_of_handle_combine): Ditto.
11506 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11507 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11508 (rest_of_handle_reorder_blocks): Ditto.
11509 (rest_of_handle_partition_blocks): Ditto.
11510 * var-tracking.c (variable_tracking_main): Ditto.
11511 * tree-profile.c (tree_profiling): Ditto.
11512 * tree-vect-generic.c (expand_vector_operations): Ditto.
11513 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11514 * sched-rgn.c (rest_of_handle_sched): Ditto.
11515 (rest_of_handle_sched2): Ditto.
11516 * basic-block.h (free_bb_insn): Ditto.
11517 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11518 * tree-cfg.c (execute_build_cfg): Ditto.
11519 (remove_useless_stmts): Ditto.
11520 (split_critical_edges): Ditto.
11521 (execute_warn_function_return): Ditto.
11522 (execute_warn_function_noreturn): Ditto.
11523 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11524 * cfgrtl.c (free_bb_for_insn): Ditto.
11525 * passes.c (execute_one_pass): Run additional
11526 todos returned by execute function.
11527 * tree-pass.h (struct tree_opt_pass): Make execute
11530 2006-03-02 Richard Guenther <rguenther@suse.de>
11532 * tree-ssa-alias.c (find_used_portions): Consider taking
11533 the address as making the variable not write-only.
11535 2006-03-02 Nick Clifton <nickc@redhat.com>
11537 * config.gcc (default_use_cxa_atexit): Extend the description of
11538 this configure variable. Set its default value to "yes" for
11539 Linux, NetBSD and ELF targets on the assumption that they will
11540 use C libraries with the __cxa_atexit function.
11542 2006-03-02 Ben Elliston <bje@au.ibm.com>
11544 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11545 parameter as unused to suppress a build warning.
11547 2006-03-02 Ben Elliston <bje@au.ibm.com>
11549 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11552 2006-03-01 Roger Sayle <roger@eyesopen.com>
11555 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11556 declared name, the weak reference name, and the typeof name.
11557 (__gthrw): Avoid expanding the declared name suffix.
11558 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11560 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11562 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11564 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11565 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11566 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11567 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11568 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11569 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11570 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11571 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11572 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11573 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11574 (DW_END_default, DW_END_big, DW_END_little): New.
11575 (DW_END_lo_user, DW_END_hi_user): Define.
11576 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11577 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11578 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11581 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11583 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11585 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11587 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11589 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11591 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11592 to 'symbol_mem_tag'.
11594 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11597 2006-03-01 Roger Sayle <roger@eyesopen.com>
11599 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11601 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11604 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11605 MACHO_DYNAMIC_NO_PIC_P.
11606 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11608 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11611 * config/darwin-protos.h (darwin_asm_output_anchor):
11613 * config/darwin-sections.def (cstring_section):
11614 Add SECTION_MERGE to the flags.
11615 (literal4_section): Likewise.
11616 (literal8_section): Likewise.
11617 (objc_selector_refs_section): Likewise.
11618 (objc_cls_refs_section): Likewise.
11619 * config/darwin.c (darwin_asm_output_anchor): New
11621 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11623 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11625 Fix PR tree-optimization/26443
11626 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11627 to todo and PROP_tmt_usage to properties_destroyed.
11628 * tree-ssa-ccp.c (pass_ccp): Ditto.
11629 (pass_store_ccp): Ditto.
11630 * tree-ssa-dom.c (pass_dominator): Ditto.
11632 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11634 * tree-ssa-operands.c: Cleanup whitespace.
11635 (get_asm_expr_operands): Move before first invocation.
11636 (get_indirect_ref_operands): Likewise.
11637 (get_tmr_operands): Likewise.
11638 (get_call_expr_operands): Likewise.
11639 (append_def): Likewise.
11640 (append_use): Likewise.
11641 (append_v_may_def): Likewise.
11642 (append_v_must_def): Likewise.
11643 (add_call_clobber_ops): Likewise.
11644 (add_call_read_ops): Likewise.
11645 (add_stmt_operand): Likewise.
11646 (add_virtual_operand): Likewise.
11647 (build_ssa_operands): Likewise.
11649 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11651 PR middle-end/26022
11653 PR middle-end/24437
11654 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11655 with a call expr to ...
11656 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11658 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11660 * tree-vrp.c (extract_range_from_assert): Remove special
11661 handling for types with super-types.
11663 2006-03-01 Ben Elliston <bje@au.ibm.com>
11665 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11666 and powerpc64-*-linux* configurations.
11667 * config/t-dfprules: New file.
11669 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11670 Compile dfp-bit.c from the source directory using -DWIDTH and
11671 $DFP_CFLAGS to control the compilation of that file, rather than
11672 generating width-specific versions in the build directory.
11673 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11674 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11676 2006-02-28 Zack Weinberg <zackw@panix.com>
11678 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11681 2006-02-28 Eric Christopher <echristo@apple.com>
11683 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11684 Set up IN_LIBGCC definition of TARGET_64BIT.
11685 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11687 2006-02-28 Roger Sayle <roger@eyesopen.com>
11689 PR middle-end/14752
11690 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11691 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11692 cases via the construction of "expr != 0".
11694 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11696 * alias.c (alias_invariant, alias_invariant_size): Remove.
11697 (record_base_value): Remove.
11698 (memrefs_conflict_p): Don't look at alias_invariant.
11699 (end_alias_analysis): Don't free it.
11700 * alias.h (record_base_value): Remove prototype.
11702 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11703 Adam Nemet <anemet@caviumnetworks.com>
11705 * rtl.h (truncated_to_mode): Declare it.
11706 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11707 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11708 (RTL_HOOKS_INITIALIZER): Include it.
11709 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11710 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11711 reg_truncated_to_mode.
11712 * rtlanal.c (truncated_to_mode): Define it.
11713 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11715 2006-02-28 Jeff Law <law@redhat.com>
11717 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11718 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11719 the range allowed by TYPE_PRECISION.
11721 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11723 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11725 PR tree-optimization/26419
11726 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11729 2006-02-27 Zack Weinberg <zackw@panix.com>
11731 * doc/md.texi: Fix typo in previous change.
11733 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11737 2006-02-27 Zack Weinberg <zackw@panix.com>
11739 * rtl.def (define_constraint, define_register_constraint)
11740 (define_memory_constraint, define_address_constraint): New MD forms.
11741 * gensupport.c (process_rtx): Put define_constraint etc on the
11743 * genpreds.c (process_define_predicate): Adjust comment. Validate
11744 the name, and call validate_exp to validate the expression.
11745 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11746 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11747 all callers changed.
11748 (validate_exp, needs_variable, struct constraint_data)
11749 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11750 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11751 (const_dbl_constraints, constraint_max_namelen)
11752 (have_register_constraints, have_memory_constraints)
11753 (have_address_constraints, have_address_constraints)
11754 (have_extra_constraints, have_const_int_constraints)
11755 (have_const_dbl_constraints, mangle, add_constraint)
11756 (process_define_constraint, process_define_register_constraint)
11757 (write_enum_constraint_num, write_lookup_constraint)
11758 (write_insn_constraint_len, write_regclass_for_constraint)
11759 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11760 (write_insn_extra_memory_constraint)
11761 (write_insn_extra_address_constraint)
11762 (write_satisfies_constraint_fns): New.
11763 (write_tm_preds_h): If we have new-style constraint definitions,
11764 prototype the functions generated from them, and define the
11765 old constraint interface (still used by generic code) in terms of
11767 (write_insn_preds_c): If we have new-style constraint definitions,
11768 generate all relevant functions from those definitions.
11769 (main): Handle define_constraint etc.
11770 * genoutput.c (struct constraint_data, indep_constraints)
11771 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11772 (mdep_constraint_len): New data structures and functions, defined
11773 #ifdef USE_MD_CONSTRAINTS.
11774 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11775 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11776 use new logic to validate operand constraints against constraint
11778 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11780 * defaults.h: If none of the old-style constraint macros are
11781 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11782 old-style macros; and poison REG_CLASS_FROM_LETTER,
11783 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11785 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11786 * doc/md.texi: Document new constraint-definition mechanism and the
11787 C interface it provides. Remove references to old mechanism
11788 elsewhere in the document.
11789 (Machine Constraints): Use pathnames relative to gcc directory,
11790 i.e. config/ARCH/FILE. Change i386 section to refer to
11791 config/i386/predicates.md; update that section to match docstrings.
11792 * doc/tm.texi: Move all documentation of the old constraint-
11793 definition macros to their own section, clearly mark as obsolete.
11795 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11796 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11798 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11799 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11800 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11801 constraint strings.
11802 (splits and peepholes): Use satisfies_constraint_*.
11803 * config/i386/i386.c (memory_address_length)
11804 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11806 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11808 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11809 scalar operation to be put back into the loop.
11811 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11814 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11815 (extract_cie_info): Handle S flag in augmentation string.
11816 (execute_cfa_program): If context->signal_frame, execute also
11817 fs->pc == context->ra instructions.
11818 (uw_frame_state_for): If context->signal_frame, don't subtract one
11819 from context->ra to find FDE.
11820 (uw_update_context_1): Set context->signal_frame to
11822 (_Unwind_GetIPInfo): New function.
11823 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11824 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11826 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11827 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11828 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11829 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11830 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11831 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11832 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11833 x86_64_fallback_frame_state): Set fs->signal_frame.
11834 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11835 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11836 (frob_update_context): Likewise. Workaround missing S flag in
11837 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11838 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11839 Remove the psw_addr + 1 hack.
11841 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11843 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11844 with aggregates here.
11845 (find_func_aliases): Remove code for &<aggregate> from here.
11847 2006-02-26 Roger Sayle <roger@eyesopen.com>
11849 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11850 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11851 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11852 as (X & C) ne/eq 0.
11854 2006-02-26 Roger Sayle <roger@eyesopen.com>
11856 PR middle-end/19983
11857 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11859 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11861 * opts.c (decode_options): Do not handle flag_strength_reduce.
11862 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11863 and OPT_fstrength_reduce.
11864 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11865 flag_prefetch_loop_arrays for being nonzero.
11866 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11868 (fprefetch-loop-arrays-rtl): Removed.
11869 (flag_prefetch_loop_arrays): Do not specify the value.
11871 * doc/passes.texi: Update documentation of loop optimizer
11873 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11874 -frerun-loop-opt): Remove.
11876 2006-02-26 Richard Guenther <rguenther@suse.de>
11878 PR tree-optimization/26421
11879 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11880 in function calls that are ADDR_EXPRs as using the whole structure.
11882 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11884 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11885 * tree-pass.h (pass_loop_optimize): Remove.
11886 * passes.c (pass_loop_optimize): Never run it.
11887 * toplev.c (backend_init): Don't call init_loop.
11888 * opts.c (flag_loop_optimize_set): Remove.
11889 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11890 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11891 the old RTL loop optimizer when profiling enabled.
11892 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11893 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11894 pre-headers for the sake of the old RTL loop optimizer.
11895 * Makefile.in: Remove all references to loop.o.
11897 * doc/invoke.texi: Remove all references to -floop-optimize
11898 and -frerun-loop-opt.
11900 2006-02-26 Zack Weinberg <zackw@panix.com>
11902 * doc/md.texi (Machine Constraints): Refer to all files with paths
11903 relative to gcc directory (i.e. config/CPU/file). Add missing
11904 @table @code ... @end table to M32C subsection.
11906 2006-02-26 Roger Sayle <roger@eyesopen.com>
11908 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11910 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11912 2006-02-26 Roger Sayle <roger@eyesopen.com>
11913 James A. Morrison <phython@gcc.gnu.org>
11915 PR middle-end/21137
11916 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11917 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11918 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11919 signedness of the shift operation.
11921 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11923 PR tree-optimization/26359
11924 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11926 2006-02-25 Roger Sayle <roger@eyesopen.com>
11928 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11929 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11930 as X == 0, and some symmetry related transformations.
11931 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11933 2006-02-25 Roger Sayle <roger@eyesopen.com>
11935 PR middle-end/23673
11936 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11937 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11938 symmetry related transformations. Fold (X^C1) == C2 as
11941 2006-02-25 Juergen Weigert <jw@suse.de>
11942 Richard Guenther <rguenther@suse.de>
11944 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11946 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11948 * combine.c (gen_lowpart_or_truncate): Call
11949 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11951 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11953 * doc/invoke.texi: Move -fopenmp description to "Options for
11955 Remove reference to -lgomp.
11957 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11959 * doc/install.texi: Require GNU tar version 1.14.
11961 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11963 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11964 * doc/invoke.texi (C++ Dialect Options): Document
11965 -fno-use-cxa-get-exception-ptr.
11966 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11967 * configure: Regenerate.
11968 * c.opt (fuse-cxa-get-exception-ptr): New.
11969 * c-opts.c (c_common_handle_option): Handle
11970 OPT_fuse_cxa_get_exception_ptr.
11971 * c-common.c (flag_use_cxa_atexit): Update documentation.
11972 (flag_use_cxa_get_exception_ptr): New.
11973 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11974 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11976 (C_COMMON_OVERRIDE_OPTIONS): New.
11978 2006-02-24 Roger Sayle <roger@eyesopen.com>
11980 PR middle-end/24952
11981 * combine.c (try_combine): Explicitly check whether GET_CODE is
11982 a SET or a CLOBBER, instead on checking that it isn't a USE.
11984 2006-02-24 Roger Sayle <roger@eyesopen.com>
11986 * fold-const.c (fold_comparison): New subroutine of fold_binary
11987 containing transformations common to both the equality and
11988 ordering relational operators, factored out of fold_binary.
11989 (fold_binary): Separate out the equality operators (EQ_EXPR
11990 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11991 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11992 transformations common to both.
11993 (fold_div_compare): Fix latent bugs in the previously unreachable
11994 LT_EXPR and GE_EXPR cases.
11996 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11998 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11999 decl libname for clog to __clog on AIX.
12001 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12003 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12006 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12007 output traceback table for thunks. Localise rs6000_stack_info call.
12009 2006-02-23 Roger Sayle <roger@eyesopen.com>
12010 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12012 * gthr-posix.h (__gthrw): Fix typo in comment.
12014 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12016 * doc/cpp.texi (Character sets): Document that we do support
12017 input files to be in any character set.
12019 2006-02-23 Jeff Law <law@redhat.com>
12021 * tree.h (PHI_ARG_NONZERO): Remove.
12022 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12023 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12024 node to the new node.
12026 PR tree-optimization/26425
12027 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12028 min/max, then assume its varying.
12030 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12032 PR rtl-optimization/26316
12033 * rtlanal.c (enum may_trap_p_flags): New.
12034 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12035 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12036 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12037 (may_trap_after_code_motion_p): New function.
12038 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12039 (find_invariant_insn): Use may_trap_after_code_motion_p.
12040 * rtl.h (may_trap_after_code_motion_p): Declare.
12042 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12044 * emit-rtl.c (immed_double_const): Cleanup.
12046 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12048 Fix PR tree-optimization/26376
12049 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12052 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12054 PR middle-end/26412
12055 * gimplify.c (omp_add_variable): Guard variable size decl test with
12056 DECL_SIZE (decl) check.
12058 2006-02-23 Richard Guenther <rguenther@suse.de>
12060 PR middle-end/26439
12061 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12062 like aggregate types.
12064 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12066 * configure.ac: Add --with{,out}-long-double-128 configure option.
12067 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12068 * configure: Rebuilt.
12069 * config.in: Rebuilt.
12070 * doc/install.texi (Options specification): Document
12071 --with-long-double-128.
12073 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12074 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12075 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12076 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12078 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12080 * config/s390/s390.c (override_options): Handle
12081 TARGET_DEFAULT_LONG_DOUBLE_128.
12083 * config/alpha/alpha.c (override_options): Handle
12084 TARGET_DEFAULT_LONG_DOUBLE_128.
12086 * config/sparc/sparc.c (sparc_override_options): Handle
12087 TARGET_DEFAULT_LONG_DOUBLE_128.
12089 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12091 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12092 (real-install-headers-tar, real-install-headers-cpio)
12093 (real-install-headers-cp): New targets.
12095 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12097 * tree.h (variable_section): Delete.
12098 * varasm.c (variable_section): Delete.
12100 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12102 * install.texi: Add notes on install.texi2html.
12103 (Building in parallel): Do not use footnotes.
12105 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12108 * doc/install.texi (Configuration): Document --disable-libgomp.
12110 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12112 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12114 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12116 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12117 (vec_extractv2df_0_sse): New.
12119 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12121 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12122 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12123 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12124 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12125 to the result of the expression.
12126 (def_cfa_1): Adjust.
12127 (frame_pointer_cfa_offset): Rename to...
12128 (frame_pointer_fb_offset): ... this. Adjust all uses.
12129 (convert_cfa_to_loc_list): Rename to...
12130 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12131 Pass it on to build_cfa_loc.
12132 (compute_frame_pointer_to_cfa_displacement): Rename to...
12133 (compute_frame_pointer_to_fb_displacement): ... this. New
12134 offset parameter. Use it in computation.
12135 (gen_subprogram_die): Compute cfa_fb_offset with the new
12136 macro, and use it to compute the fb loc list and the
12139 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12141 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12142 replaced with register_operand.
12143 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12144 non-DREG is expensive.
12145 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12146 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12149 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12151 * doc/install.texi2html: Use set -e.
12153 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12155 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12156 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12157 * doc/invoke.texi (-fshared-data): Delete.
12158 * common.opt (fshared-data): Delete.
12159 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12160 (assemble_static_space): Remove #if 0 code.
12161 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12162 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12163 * config/cris/cris.h: Remove FIXME.
12165 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12167 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12170 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12172 PR middle-end/26379
12173 * combine.c (simplify_shift_const_1): Disable nested shifts
12174 optimization for vector shifts.
12176 2006-02-20 Roger Sayle <roger@eyesopen.com>
12178 PR tree-optimization/26361
12179 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12180 of unsigned integer types.
12182 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12184 * tree-chrec.c (eq_evolutions_p): New.
12185 * tree-chrec.h (eq_evolutions_p): Declared.
12186 * tree-data-ref.c: Fix formatting.
12187 (datadep_stats, dependence_stats): New.
12189 (print_direction_vector): New.
12190 (dump_data_dependence_relation): Use print_direction_vector.
12191 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12192 (compute_subscript_distance): Static.
12193 (initialize_data_dependence_relation): Static. Get the number
12194 of loops surrounding the references from the callers, and initialize
12195 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12196 base_object_differ_p analyzers.
12197 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12198 compute_overlap_steps_for_affine_1_2,
12199 analyze_subscript_affine_affine): Count the classified dependences.
12200 Print a message when a test failed.
12201 (can_use_analyze_subscript_affine_affine): New.
12202 (analyze_siv_subscript): Compute the data dependences on symbolic
12203 scevs that verify can_use_analyze_subscript_affine_affine.
12204 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12205 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12206 Handle symbolic scevs.
12207 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12209 (subscript_dependence_tester): Moved...
12210 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12211 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12212 DDR_SIZE_VECT instead of getting it in parameter.
12213 (subscript_dependence_tester): ... here. Take as a parameter
12214 loop_nest_depth. Call build_classic_dist_vector and
12215 build_classic_dir_vector.
12216 (compute_affine_dependence): Update subscript_dependence_tester
12217 parameters. Update datadep_stats counters. Call
12218 compute_subscript_distance.
12219 (compute_self_dependence): Save the dist and dir vectors. Call
12220 compute_subscript_distance.
12221 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12222 (compute_all_dependences): Reorder parameters as they were before
12223 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12224 compute_subscript_distance. Update the use of
12225 compute_affine_dependence and initialize_data_dependence_relation.
12226 (find_data_references_in_loop): Handle COMPONENT_REF.
12227 (compute_data_dependences_for_loop): Initialize dependence_stats.
12228 Don't call build_classic_dist_vector and build_classic_dir_vector.
12229 Update the parameters of initialize_data_dependence_relation and
12230 compute_all_dependences. Print the statistics from datadep_stats.
12231 (analyze_all_data_dependences): Static. Not used until the pass for
12232 checking the data dependences is contributed.
12233 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12234 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12235 (initialize_data_dependence_relation, compute_affine_dependence,
12236 analyze_all_data_dependences, compute_subscript_distance): Removed.
12237 (print_direction_vector): New.
12238 * lambda.h (gcd): ... here.
12239 (lambda_vector_gcd): Moved here from gcd_vector.
12240 * lambda-code.c (gcd, gcd_vector): Removed.
12241 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12242 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12244 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12246 * ipa-type-escape.c: Tidy some comments and white space.
12247 * tree-ssa-operands.c: Likewise.
12249 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12252 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12253 (dump_decl_name): Do not walk the decl tree chains.
12254 * tree-pass.h (TDF_CHAIN): Remove.
12256 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12258 * Makefile.in (C): Remove
12260 (.PHONY): Remove C and PROTO
12262 2006-02-20 Roger Sayle <roger@eyesopen.com>
12264 PR middle-end/26236
12265 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12266 deprecated CHAR_TYPE tree code.
12268 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12270 * configure.ac (target_list): Add install-info, dvi, html.
12271 * configure: Regenerate.
12273 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12274 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12275 treelang/Make-lang.in: Do not use double-colon rules.
12277 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12279 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12280 (TMT_USED_ALONE): New macro.
12281 * tree-pass.h (PROP_tmt_usage): New property.
12282 (TODO_update_tmt_usage): New todo.
12283 * tree-ssa-alias.c (updating_used_alone): New variable.
12284 (recalculate_used_alone): New function.
12285 (compute_may_aliases): Set updating_used_alone, call
12286 recalculate_used_alone.
12287 * tree-sra.c (pass_sra): Note that this pass destroys
12288 PROP_tmt_usage, and add TODO_update_tmt_usage.
12289 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12290 * tree-flow.h (updating_used_alone): Prototype.
12291 (recalculate_used_alone): Ditto.
12292 * passes.c (execute_todo): Add code to set updating_used_alone,
12293 and call recalculate.
12294 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12295 for clobber if used alone, and add assert to verify used_alone
12298 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12300 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12301 for non tls symbols added.
12302 (legitimize_address): Do nothing for PLUS expressions if one of the
12303 addends is a tls symbol reference.
12305 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12309 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12311 * Makefile.in (BOOTSTRAPPING): New.
12312 (quickstrap): New definition if BOOTSTRAPPING=yes.
12314 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12315 * configure.ac: Substitute all_selected_languages with the languages
12316 that were configured. For all the other variables except
12317 lang_specs_files, include all the languages in the tree.
12318 * configure: Regenerate.
12320 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12321 if there is one. Run the commands to run fixincludes in the same
12324 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12325 * doc/install.texi: Document exact conventions for searching target tools.
12326 Document --with-build-time-tools. Document toplevel bootstrap. Document
12327 something more about building an Ada cross-compiler. Don't list GNU Make
12328 requirements which affect all platforms.
12330 2006-02-19 Roger Sayle <roger@eyesopen.com>
12332 PR middle-end/19543
12333 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12334 only equivalent if the have both the same mode and precision.
12336 2006-02-20 Ben Elliston <bje@au.ibm.com>
12338 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12340 2006-02-19 Roger Sayle <roger@eyesopen.com>
12341 Steven Bosscher <stevenb.gcc@gmail.com>
12343 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12344 constant pool references to identify stack mode constants.
12345 * rtlanal.c (constant_pool_constant_p): New predicate to check
12346 whether operand is a floating point constant in the pool.
12347 * rtl.h (constant_pool_constant_p): Prototype here.
12348 * loop.c (scan_loop): Avoid hoisting constants from the constant
12349 pool on STACK_REGS targets.
12350 (load_mems): Likewise.
12351 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12352 loads into x87 registers expensive in terms of register pressure.
12354 2006-02-19 Roger Sayle <roger@eyesopen.com>
12356 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12357 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12359 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12361 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12362 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12364 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12366 * doc/invoke.texi: Document -fipa-pta.
12367 * common.opt: Add ipa-pta option.
12368 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12369 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12370 (do_ds_constraint): Ditto.
12371 (get_constraint_for): Only add to referenced_vars if
12372 referenced_vars exists.
12373 (insert_into_field_list): Rewrite to do this unsorted.
12374 (insert_into_field_list_sorted): Rename old insert_into_field_list
12376 (create_function_info_for): Use insert_into_field_list_sorted.
12377 (create_variable_info_for): Rewrite so it uses unsorted version,
12378 since the field list is sorted.
12379 (intra_create_variable_infos): Only add to referenced_vars if
12380 referenced_vars exists.
12381 (ipa_pta_execute): Init heapvars, and delete when done.
12382 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12384 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12386 * doc/install.texi: Add missing `@samp'.
12388 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12390 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12393 2006-02-18 Mark Wielaard <mark@klomp.org>
12395 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12396 who added new 4.1 features, bug fixes and integration support.
12398 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12401 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12402 MEM for ABI_V4 pic.
12404 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12406 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12407 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12408 (copy_insn_1): Likewise. Don't copy each field individually.
12410 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12412 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12413 * rtl.c (rtx_size): Rename variable to...
12414 (rtx_code_size): ...this.
12415 (rtx_size): New function.
12416 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12417 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12419 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12420 * rtl.h (rtx_code_size): New variable.
12421 (rtx_size): Change from a variable to a function.
12422 (RTX_SIZE): Rename to...
12423 (RTX_CODE_SIZE): ...this.
12426 PR tree-optimization/17106
12427 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12428 (Anchored Addresses): New section.
12429 * doc/invoke.texi (-fsection-anchors): Document.
12430 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12431 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12432 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12433 * hooks.c (hook_bool_mode_rtx_false): New function.
12434 * hooks.h (hook_bool_mode_rtx_false): Declare.
12435 * gengtype.c (create_optional_field): New function.
12436 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12437 SYMBOL_REF_IN_BLOCK_P is true.
12438 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12439 (min_anchor_offset, max_anchor_offset): Likewise.
12440 (use_anchors_for_symbol_p): New hook.
12441 * toplev.c (compile_file): Call output_object_blocks.
12442 (target_supports_section_anchors_p): New function.
12443 (process_options): Check that -fsection-anchors is only used on
12444 targets that support it and when -funit-at-a-time is in effect.
12445 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12446 if the decl doesn't have one.
12447 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12448 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12449 of force_const_mem through use_anchored_address.
12450 (expand_expr_constant): New function.
12451 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12452 calling expand_expr for INDIRECT_REF.
12453 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12454 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12455 * expr.h (use_anchored_address): Declare.
12456 * loop-unroll.c: Don't declare rtx vectors here.
12457 * explow.c: Include output.h.
12458 (validize_mem): Call use_anchored_address.
12459 (use_anchored_address): New function.
12460 * common.opt (-fsection-anchors): New switch.
12461 * varasm.c (object_block_htab, anchor_labelno): New variables.
12462 (hash_section, object_block_entry_eq, object_block_entry_hash)
12463 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12464 (use_blocks_for_decl_p, change_symbol_section): New functions.
12465 (get_variable_section): New function, split out from assemble_variable.
12466 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12467 use_blocks_for_decl_p say so. Use change_symbol_section if the
12468 symbol has already been created.
12469 (assemble_variable_contents): New function, split out from...
12470 (assemble_variable): ...here. Don't output any code for
12471 block symbols; just pass them to place_block_symbol.
12472 Use get_variable_section and assemble_variable_contents.
12473 (get_constant_alignment, get_constant_section, get_constant_size): New
12474 functions, split from output_constant_def_contents.
12475 (build_constant_desc): Create a block symbol if use_object_blocks_p
12476 says so. Or into SYMBOL_REF_FLAGS.
12477 (assemble_constant_contents): New function, split from...
12478 (output_constant_def_contents): ...here. Don't output any code
12479 for block symbols; just pass them to place_section_symbol.
12480 Use get_constant_section and get_constant_alignment.
12481 (force_const_mem): Create a block symbol if use_object_blocks_p and
12482 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12483 (output_constant_pool_1): Add an explicit alignment argument.
12484 Don't switch sections here.
12485 (output_constant_pool): Adjust call to output_constant_pool_1.
12486 Switch sections here instead. Don't output anything for block symbols;
12487 just pass them to place_block_symbol.
12488 (init_varasm_once): Initialize object_block_htab.
12489 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12490 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12491 (place_block_symbol, get_section_anchor, output_object_block)
12492 (output_object_block_htab, output_object_blocks): New functions.
12493 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12494 (TARGET_ASM_OUT): Include it.
12495 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12496 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12497 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12498 (TARGET_INITIALIZER): Include them.
12499 * rtl.c (rtl_check_failed_block_symbol): New function.
12500 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12501 (block_symbol, object_block): New structures.
12502 (rtx_def): Add a block_symbol field to the union.
12503 (BLOCK_SYMBOL_CHECK): New macro.
12504 (rtl_check_failed_block_symbol): Declare.
12505 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12506 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12507 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12508 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12509 * output.h (output_section_symbols): Declare.
12510 (object_block): Name structure.
12511 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12512 (default_use_anchors_for_symbol_p): Declare.
12513 * Makefile.in (RTL_BASE_H): Add vec.h.
12514 (explow.o): Depend on output.h.
12515 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12516 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12517 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12518 (rs6000_use_blocks_for_constant_p): New function.
12520 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12522 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12524 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12527 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12530 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12532 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12536 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12538 PR middle-end/26334
12539 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12540 instead of DECL_REGISTER.
12542 2006-02-18 Olivier Hainque <hainque@adacore.com>
12545 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12547 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12550 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12551 * opth-gen.awk: Handle Var and InverseMask together.
12552 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12553 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12554 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12555 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12557 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12558 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12559 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12560 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12561 LINUX_DYNAMIC_LINKER): Define.
12562 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12563 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12565 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12566 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12567 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12568 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12569 (TARGET_C99_FUNCTIONS): Don't define.
12570 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12571 GLIBC_DYNAMIC_LINKER.
12572 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12573 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12574 GLIBC_DYNAMIC_LINKER64): Define.
12575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12576 LINUX_DYNAMIC_LINKER64.
12577 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12579 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12581 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12583 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12584 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12585 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12587 and LINUX_DYNAMIC_LINKER32.
12588 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12589 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12590 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12592 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12594 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12595 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12596 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12597 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12598 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12599 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12600 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12601 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12602 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12603 LINUX_DYNAMIC_LINKER): Define.
12604 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12605 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12606 GLIBC_DYNAMIC_LINKER64): Define.
12607 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12608 LINUX_DYNAMIC_LINKER64.
12609 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12610 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12611 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12612 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12613 LINUX_DYNAMIC_LINKER): Define.
12614 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12615 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12616 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12617 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12618 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12619 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12620 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12621 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12622 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12623 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12624 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12625 * doc/invoke.texi (-muclibc): Remove caveat about supported
12628 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12630 * doc/cpp.texi (__TIMESTAMP__): Document.
12632 2006-02-17 Roger Sayle <roger@eyesopen.com>
12634 PR middle-end/25600
12635 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12636 C is one less than the width of X (and related transformations).
12637 * simplify-rtx.c (simplify_unary_operation_1): Transform
12638 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12639 depending on STORE_FLAG_VALUE, were C is one less then the
12642 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12644 Fix PR tree-optimization/26341
12645 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12646 about NAME_MEMORY_TAG's.
12648 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12651 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12652 with hardware float support, and software float support. Add fcpy
12653 alternative to hardware patterns. Add alternatives to copy between
12654 general and floating-point registers to the 32-bit pattern.
12655 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12656 secondary reload to load a QI or HI mode constant into a floating
12658 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12659 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12661 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12664 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12666 (load_macho_picbase_di): Likewise.
12668 2006-02-16 Jeff Law <law@redhat.com>
12670 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12671 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12672 (ssa_name_nonzero_p): Likewise.
12673 (get_value_range): Return NULL if VRP is not running.
12674 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12675 VRP routines do not discover a range.
12676 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12677 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12678 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12679 (tree_expr_nonnegative_p): Similarly.
12680 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12681 (restore_nonzero_vars_to_original_value): Remove.
12682 (unsafe_associative_fp_binop): Remove.
12683 (tree_ssa_dominator_optimize): Remove initialization and
12684 finalization of nonzero_vars and nonzero_vars_stack.
12685 (dom_opt_initialize_block): No longer push marker on
12686 nonzero_vars_stack.
12687 (dom_opt_finalize_block): No longer call
12688 restore_nonzero_vars_to_original_value.
12689 (record_equivalences_from_phis): No longer look for
12690 nonzero PHI arguments.
12691 (cprop_into_successor_phis): No longer propagate nonzero
12692 property into PHI arguments. Lose unused argument. Caller
12694 (record_equivalences_from_stmt): No longer record nonzero
12695 values for SSA_NAMEs.
12696 (lookup_avail_expr): No longer use nonzero_vars.
12698 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12699 for sizetype when sizetype is unsigned.
12701 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12703 PR rtl-optimization/25603
12704 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12705 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12706 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12707 with new meaning of SETS.
12709 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12714 * config/linux.opt: New file.
12715 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12716 LINUX_DYNAMIC_LINKER): Define.
12717 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12718 * config.gcc (*-*-linux*): Define extra_options.
12719 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12720 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12721 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12722 GLIBC_DYNAMIC_LINKER.
12723 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12724 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12725 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12727 * doc/invoke.texi (GNU/Linux Options): New section.
12729 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12731 * config/sparc/sparc.md (setjmp): Rewrite.
12732 (setjmp_32): Delete.
12733 (setjmp_64): Likewise.
12735 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12737 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12740 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12742 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12745 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12747 PR rtl-optimization/26296
12748 * Makefile.in (loop-invariant.c): Add except.h dependency.
12749 * loop-invariant.c: Include except.h.
12750 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12752 2005-02-16 Paul Brook <paul@codesourcery.com>
12754 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12757 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12759 PR rtl-optimization/25636
12760 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12761 when deciding whether an insn is an initializing insn.
12763 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12765 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12766 (tree_code_size): Ditto.
12767 * tree.h (struct tree_memory_tag): Remove parent_var.
12768 (struct tree_struct_field_tag): New.
12771 (union tree_node): Add sft member.
12772 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12774 (create_sft): Add size and offset argument, set SFT_OFFSET and
12776 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12777 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12778 * tree-flow-inline.h (get_subvar_at): Update for
12779 SFT_OFFSET/SFT_SIZE.
12780 (var_can_have_subvars): Ditto.
12781 (overlap_subvar): Ditto.
12782 * print-tree.c (print_node): Print out interesting things for
12784 * tree-flow.h (struct subvar): Remove offset and size members.
12785 * tree-ssa-operands.c (get_expr_operands): Update for
12786 get_indirect_ref_operands changes.
12787 (get_indirect_ref_operands): Call add_virtual_operand instead of
12788 add_stmt_operand. Only recurse on base var if requested.
12789 (access_can_touch_variable): New function.
12790 (add_stmt_operand): Split virtual operand handling into ...
12791 (add_virtual_operand): Here. Add offset, size, and for_clobber
12792 arguments. Prune alias sets.
12793 (add_call_clobber_ops): Call add_virtual_operand.
12795 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12797 PR middle-end/26300
12798 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12800 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12801 than TREE_CODE as index into omp_clause_num_ops array.
12803 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12805 PR rtl-optimization/26184
12806 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12808 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12809 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12810 must_precede, must_follow and tobe_scheduled.
12813 * opts.c (common_handle_option): Free new_option pointer.
12814 * df-core.c (df_analyze): Free postorder pointer.
12816 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12818 * Makefile.in: Fix the examples about the use of stamps
12820 2006-02-15 Michael Matz <matz@suse.de>
12822 PR middle-end/22275
12824 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12825 influenced by maximum_field_alignment or DECL_PACKED.
12826 (update_alignment_for_field): Ditto.
12827 (place_field): Ditto.
12828 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12831 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12833 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12834 (debug_flow_info): Pass it.
12835 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12836 * bb-reorder.c (reorder_basic_blocks): Likewise.
12837 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12838 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12839 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12840 * gcse.c (gcse_main, bypass_jumps): Likewise.
12841 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12842 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12843 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12844 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12845 * rtl.h (dump_flow_info): Adjust prototype.
12846 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12847 * var-tracking.c (variable_tracking_main): Likewise.
12848 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12849 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12852 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12854 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12857 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12859 PR tree-optimization/26209
12860 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12861 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12863 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12865 2006-02-14 Roger Sayle <roger@eyesopen.com>
12867 PR middle-end/23670
12868 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12869 (X,Y) and the corresponding symmetry related transformations.
12870 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12871 (X,Y) and its symmetry related transformations.
12873 2006-02-14 Roger Sayle <roger@eyesopen.com>
12875 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12878 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12880 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12882 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12885 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12886 support COMDAT group.
12887 * configure: Regenerate.
12889 2006-02-14 Roger Sayle <roger@eyesopen.com>
12891 PR middle-end/26279
12892 PR middle-end/26280
12893 PR middle-end/26283
12894 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12896 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12898 Fix PR tree-optimization/26260
12900 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12902 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12903 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12904 * tree-ssa-structalias.c (create_variable_info_for): Use
12905 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12907 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12909 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12911 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12912 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12913 of the ending condition.
12914 * tree-ssa-loop-manip.c: Include params.h.
12915 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12916 tree_unroll_loop): New functions.
12917 * tree-pass.h (pass_loop_prefetch): Declare.
12918 * loop.c (rest_of_handle_loop_optimize): Test for
12919 -fprefetch-loop-arrays-rtl.
12920 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12921 * timevar.def (TV_TREE_PREFETCH): New timevar.
12922 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12923 pass_loop_prefetch): New.
12924 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12925 (cleanup_tree_cfg_loop): Call scev_reset.
12926 * common.opt (fprefetch-loop-arrays-rtl): Add.
12927 * tree-ssa-loop-prefetch.c: New file.
12928 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12929 (new_temp_expr_table): Initialize expr_vars.
12930 (free_temp_expr_table): Cleanup expr_vars.
12931 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12932 expressions from being merged into one.
12933 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12934 (struct tree_niter_desc): Add control, bound and cmp fields.
12935 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12937 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12938 (tree-cfgcleanup.o): Add SCEV_H dependency.
12939 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12940 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12942 2006-02-14 Richard Guenther <rguenther@suse.de>
12944 PR tree-optimization/26258
12945 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12946 in PHI argument processing.
12948 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12950 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12951 new expression in the requested machine mode.
12953 2006-02-13 Roger Sayle <roger@eyesopen.com>
12955 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12956 directly, instead let do_compare_rtx_and_jump handle this for us.
12957 * expr.c (expand_expr_real_1): Likewise.
12958 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12959 before do_jump_by_parts_greater.
12960 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12961 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12963 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12965 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12967 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12969 PR rtl-optimization/26235
12970 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12971 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12974 2006-02-13 Jeff Law <law@redhat.com>
12976 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12979 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12981 PR middle-end/26092
12982 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12983 twice if decl is a builtin. When trying again, call get_callee_fndecl
12984 first to verify it is still a builtin.
12986 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12988 * dwarf2out.c (base_type_die): Don't add AT_name here.
12989 (subrange_type_die): Don't add AT_name here.
12990 (modified_type_die): Rearrange code flow. Do add AT_name here.
12992 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12994 PR rtl-optimization/26247
12995 PR rtl-optimization/26248
12996 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12998 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13000 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13001 * config/fixtfdi.c: Likewise.
13002 * config/fixunstfdi.c: Likewise.
13003 * config/floatditf.c: Likewise.
13005 2006-02-13 Roger Sayle <roger@eyesopen.com>
13007 PR middle-end/24427
13008 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13009 into (X,C2) if C1 is a subset of the bits of C2. Transform
13010 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13012 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13014 2006-02-13 Josh Conner <jconner@apple.com>
13017 * varasm.c (function_section): Check for section name before
13018 calling select_section on targets that define
13019 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13020 unlikely_text_section instead of hot_function_section if
13021 first_function_block_is_cold.
13023 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13025 PR middle-end/25335
13026 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13028 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13030 PR rtl-optimization/26222
13031 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13032 after tree->rtl expansion.
13033 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13034 before passing it to emit_move_insn.
13036 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13038 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13040 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13041 Clarify documentation.
13042 * c-common.h (warn_write_strings): Remove.
13043 * c-common.c (warn_write_strings): Likewise.
13044 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13047 2006-02-12 Roger Sayle <roger@eyesopen.com>
13049 PR middle-end/25724
13050 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13051 (do_jump_parts_zero_rtx): New function renamed from
13052 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13053 (do_jump_parts_equality_rtx): New function split out from
13054 do_jump_parts_equality. Old implementation renamed as above.
13055 Call do_jump_parts_zero_rtx if either operand is zero.
13056 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13057 do all of the heavy lifting.
13058 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13059 calling either do_jump_by_parts_greater_rtx or
13060 do_jump_by_parts_equality_rtx.
13061 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13062 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13063 moved to do_compare_rtx_and_jump, call it directly.
13064 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13065 mode argument. Call do_compare_rtx_and_jump.
13066 (emit_case_nodes): Update calls to do_jump_if_equal.
13068 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13070 PR rtl-optimization/26225
13071 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13073 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13075 PR rtl-optimization/26232
13076 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13078 2006-02-11 Jason Merrill <jason@redhat.com>
13081 * tree-inline.c (declare_return_variable): Just don't use the
13082 modify target if it's a gimple complex reg and the return slot
13085 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13087 * doc/contrib.texi: Update my entry.
13089 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13091 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13093 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13095 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13098 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13100 * doc/invoke.texi (-floop-optimize2): Removed.
13101 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13102 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13103 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13104 * common.opt (floop-optimize2): Removed.
13105 (fmove-loop-invariants): Enabled by default.
13107 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13109 * tree-if-conv.c (combine_blocks): Free the result of
13110 get_loop_exit_edges.
13112 2006-02-10 Jeff Law <law@redhat.com>
13114 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13116 PR tree-optimization/26213
13117 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13118 loop trying to follow SSA_NAME_VALUE chains.
13120 2006-02-10 Richard Guenther <rguenther@suse.de>
13122 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13123 deal with structures that end in implicitly variable sized arrays.
13125 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13127 PR rtl-optimization/24762
13128 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13131 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13133 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13134 (struct ivopts_data): Add regs_used field.
13135 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13136 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13137 instead of loop_data->regs_used;
13138 (free_loop_data): Do not free aux fields for loops.
13139 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13140 and tree_ssa_iv_optimize_finalize.
13142 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13144 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13146 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13149 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13150 computing the effective result type.
13152 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13154 PR inline-asm/16194
13155 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13156 (tree_overlaps_hard_reg_set): Declare.
13157 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13158 type and signature to match function type expected by walk_tree.
13159 (tree_overlaps_hard_reg_set): New function.
13160 (decl_conflicts_with_clobbers_p): Rename to:
13161 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13162 Use tree_overlaps_hard_reg_set. Changed caller.
13163 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13164 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13165 * cris.c (cris_md_asm_clobbers): Likewise.
13167 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13169 * reload1.c (emit_input_reload_insns): Delete code that tries to
13170 inherit using find_equiv_reg.
13172 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13174 * c-common.h (flag_const_strings): Don't declare.
13175 * c-common.c (flag_const_strings): Remove.
13176 * c.opt (fconst_strings): Remove.
13177 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13178 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13179 (c_common_init_options): Don't set flag_const_strings.
13180 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13182 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13184 * arm.md (tlobits_cbranch): New pattern.
13185 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13186 testing a single bit.
13188 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13191 * tree-ssa-pre.c (create_component_ref_by_pieces):
13192 Handle RETURN_DECL like VAR_DECL.
13194 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13196 PR middle-end/26134
13197 * fold-const.c (fold_indirect_ref_1): Fold
13198 "*(foo *)&complexfoo" to "__real__ complexfoo"
13199 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13201 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13203 * tree-flow-inline.h (var_can_have_subvars):
13204 Volatile variables should not have subvariables.
13206 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13209 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13210 multiplying unsigned values.
13213 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13215 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13217 2006-02-08 Jason Merrill <jason@redhat.com>
13220 * tree.def: Elaborate on difference from MODIFY_EXPR.
13221 * doc/c-tree.texi (INIT_EXPR): Likewise.
13222 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13223 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13224 (gimplify_target_expr): Likewise.
13225 (gimplify_cond_expr): Remove target handling.
13226 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13227 (gimplify_expr): Clobber it here.
13228 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13229 Do return slot optimization if we have an INIT_EXPR.
13232 * tree-inline.c (declare_return_variable): Also clear
13233 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13236 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13238 PR middle-end/22439
13239 * gimplify.c (gimplify_one_sizepos): Fix typo.
13241 2006-02-08 Jeff Law <law@redhat.com>
13243 PR tree-optimization/21417
13244 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13245 across a backedge if the control statement at the end of the
13246 block is data dependent on other statements in the same block.
13247 (record_temporary_equivalences_from_stmts): Remove over-conservative
13248 test for threading across backedges.
13250 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13251 control statement, handle all three special cases in the same
13252 manner as they all have the same desired solution. No longer
13253 special case edge flag updating when the post dominator is
13256 2006-02-08 Roger Sayle <roger@eyesopen.com>
13258 * tree.def (CHAR_TYPE): Remove.
13259 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13260 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13261 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13262 (gen_string_type_die): Delete unreachable function.
13264 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13265 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13266 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13267 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13268 * builtins.c (type_to_class): Likewise.
13269 * fold-const.c (fold_convert, build_range_check,
13270 merge_ranges): Likewise.
13271 * expr.c (count_type_elements): Likewise.
13272 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13273 * stor-layout.c (layout_type): Likewise.
13274 * ipa-type-escape.c (type_to_consider): Likewise.
13275 * gimplify.c (omp_firstprivatize_type_sizes,
13276 gimplify_type_sizes): Likewise.
13277 * explow.c (promote_mode): Likewise.
13278 * tree-sra.c (is_sra_scalar_type): Likewise.
13279 * varasm.c (output_constant): Likewise.
13280 * tree-inline.c (remap_type_1): Likewise.
13281 * convert.c (convert_to_pointer, convert_to_real,
13282 convert_to_integer, convert_to_complex): Likewise.
13284 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13286 * df-scan.c (df_def_record_1): A set destination may
13287 be a parallel regardless of mode.
13289 2006-02-08 Roger Sayle <roger@eyesopen.com>
13292 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13293 * config/mips/_tilib.c: Remove.
13294 * config/fixtfdi.c: New libgcc source file.
13295 * config/fixunstfdi.c: New source file.
13296 * config/floatditf.c: New source file.
13297 * config/floatunditf.c: New souce file.
13298 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13299 files above instead of config/mips/_tilib.c.
13300 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13302 2006-02-08 Jeff Law <law@redhat.com>
13304 PR tree-optimization/26169
13305 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13308 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13310 * df.h (DF_REG_SIZE): Return the length of the initialized
13313 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13315 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13316 __muldf3): Return a correctly signed zero.
13318 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13320 * passes.c (register_one_dump_file): Accept the current properties
13321 instead of pass number. Adjust call to dump_register. Remove
13323 (register_dump_files): Now a wrapper around...
13324 (register_dump_files_1): ... this one. Do not modify the pass
13326 (next_pass_1): Cosmetic fix.
13327 (execute_todo): Keep second parameter only. Use curr_properties
13328 instead of fetching it from the pass structure. Check and set
13330 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13331 instead of fetching it from the pass structure. Fix calls to
13332 execute_todo. Update curr_properties and initialize .vcg RTL dump
13333 after running the pass. Reset last_verified.
13334 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13336 (FIRST_AUTO_NUMBERED_DUMP): New.
13337 (dump_register): Remove "num" parameter, assign it within the
13339 (get_dump_file_name): Modify template for dumps.
13340 * tree-dump.h (dump_register): Adjust prototype.
13341 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13342 (PROP_trees): Add PROP_gimple_lomp.
13343 (TODO_set_props): New.
13344 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13345 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13346 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13348 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13350 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13351 (sparc64-*-linux*): Likewise.
13352 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13353 * config/sparc/t-linux: New file.
13354 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13355 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13356 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13357 -m32 -mlong-double-128.
13359 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13360 * config/alpha/t-linux: New file.
13361 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13363 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13364 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13365 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13366 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13367 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13368 (CPP_ARCH32_SPEC): Remove.
13370 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13372 PR tree-optimization/26145
13373 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13376 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13379 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13380 >= 240000 when generating code for SOM runtime.
13381 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13382 to $$dyncall when generating code for SOM runtime..
13384 2006-02-07 Dirk Mueller <dmueller@suse.com>
13387 * doc/invoke.texi (-Wsequence-point): Update documentation
13388 that -Wsequence-point is implemented for C++ as well.
13390 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13392 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13393 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13394 (LIB_SPEC): Likewise.
13395 * doc/invoke.texi (SPARC options): Document -pthread.
13397 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13399 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13402 2006-02-07 Roger Sayle <roger@eyesopen.com>
13404 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13405 Correct comment describing BOOLEAN_TYPE.
13407 2006-02-07 Dirk Mueller <dmueller@suse.com>
13409 * c.opt: C++ frontend supports -Wdiv-by-zero.
13410 * c-opts.c (c_common_handle_option): Remove dead case.
13412 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13414 * configure.ac (TLS assembler check): Do not enable TLS by
13415 default on SPARC/Solaris before version 10.
13416 * configure: Regenerate.
13418 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13420 * doc/invoke.texi (xl-compat): Document conversion and support
13423 2006-02-07 Jeff Law <law@redhat.com>
13425 * tree-vrp.c (find_conditional_asserts): Update comments.
13426 (simplify_stmt_for_jump_threading): New.
13427 (identify_jump_threads, finalize_jump_threads): New.
13428 (vrp_finalize): Call identify_jump_threads.
13429 (execute_vrp): Call finalize_jump_threads.
13430 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13431 (vrp_element, vrp_data, vrp_element_p): Remove.
13432 (vrp_hash_elt, vrp_variables_stack): Remove.
13433 (vrp_hash, vrp_eq, record_range): Remove.
13434 (simplify_cond_and_lookup_avail_expr): Remove.
13435 (extract_range_from_cond): Remove.
13436 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13437 (simplify_stmt_for_jump_threading): New.
13438 (dom_thread_across_edge): New wrapper.
13439 (tree_ssa_dominator_optimize): No longer initialize or
13440 finalize any of the VRP datastructures. Remove iteration
13441 step and simplify as a result of removal of iteration step.
13442 (pass_dominator): Perform a cfg cleanup after DOM.
13443 (dom_opt_finalize_block): Use the new common routines
13444 for threading jumps. Simplify stack management slightly.
13445 No longer need to unwind VRP state.
13446 (record_equivalences_from_incoming_edge): No longer record
13448 (eliminate_redundant_computations): No longer call
13449 simplify_cond_and_lookup_avail_expr.
13450 * tree-flow.h (potentially_threadable_block): Prototype.
13451 (thread_across_edge): Likewise.
13452 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13453 (tree-ssa-threadedge.o): Add dependencies.
13454 * tree-ssa-threadedge.c: New file.
13455 * passes.c (init_optimization_passes): Merge PHIs before
13456 calling VRP. Run VRP again late in the SSA optimization pipeline.
13458 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13460 * df-core.c (df_set_blocks): Do not dereference function pointers.
13461 (df_finish1): Likewise.
13462 (df_hybrid_search_forward): Likewise.
13463 (df_hybrid_search_backward): Likewise.
13464 (df_iterative_dataflow): Likewise.
13465 (df_analyze_problem): Likewise.
13466 (df_compact_blocks): Likewise.
13467 (df_dump): Likewise.
13468 * df-scan.c (df_rescan_blocks): Likewise.
13469 (df_record_entry_block_defs): Likewise.
13471 * genconditions.c (write_conditions): Guard the definition of
13472 'insn_conditions' with the check on GCC version.
13473 (write_writer): Guard the traversal 'insn_conditions' with
13474 the check on GCC version.
13476 2006-02-07 Richard Guenther <rguenther@suse.de>
13480 2006-01-30 Richard Guenther <rguenther@suse.de>
13482 * gimplify.c (gimplify_target_expr): Handle easy cases
13483 without creating a temporary.
13485 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13487 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13488 use of float in probability computations. Use edge probabilities
13489 in place of statically computed probabilities.
13490 (min_spec_prob): New static variable.
13491 (schedule_insns): Initialize it.
13492 (GET_SRC_PROB): Removed.
13493 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13495 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13498 * config/ia64/unwind-ia64.c: Revert last change.
13499 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13500 (INCOMING_FRAME_SP_OFFSET): Define.
13502 2006-02-06 Roger Sayle <roger@eyesopen.com>
13504 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13506 2006-02-07 Ben Elliston <bje@au.ibm.com>
13508 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13509 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13510 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13511 (ix86_return_in_memory): Handle TDmode.
13512 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13513 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13515 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13517 * reorg.c (dbr_schedule): Use dump_file instead of file.
13519 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13522 * config/ia64/predicates.md (extr_len_operand): New predicate.
13523 * config/ia64/ia64.md (extv): Tighten constraints.
13525 (*tbit_and_2): Ditto.
13526 (*tbit_and_3): Ditto.
13527 (*tbit_or_2): Ditto.
13528 (*tbit_or_3): Ditto.
13529 (*bit_zero): Ditto.
13532 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13535 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13537 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13539 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13540 loop_optimizer_init and loop_optimizer_finalize
13541 * tree-ssa-sink.c (execute_sink_code): Ditto.
13542 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13543 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13544 tree_ssa_loop_done): Ditto.
13545 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13546 * sched-ebb.c: Include output.h.
13547 (schedule_ebbs): Do not use dump argument.
13548 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13549 * loop.c (loop_dump_stream): Removed.
13550 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13552 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13553 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13554 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13555 loop_iterations, strength_reduce, record_biv, record_giv,
13556 final_giv_value, check_final_value, check_ext_dependent_givs,
13557 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13558 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13559 dump_file instead of loop_dump_stream.
13560 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13561 argument dump_file.
13562 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13564 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13565 * haifa-sched.c: Include output.h
13566 (schedule_insns, sched_init): Do not use dump argument.
13567 * mode-switching.c (optimize_mode_switching): Ditto.
13568 * modulo-sched.c (stats_file): Removed.
13569 (print_node_sched_params): Do not call argument dump_file.
13570 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13571 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13573 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13575 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13576 rtl_loop_init, rtl_loop_done): Ditto.
13577 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13578 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13580 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13581 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13582 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13583 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13584 * emit-rtl.c (renumber_insns): Ditto.
13585 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13586 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13587 * regclass.c (regclass): Ditto.
13588 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13589 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13590 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13591 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13593 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13594 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13596 * gcse.c (gcse_file, debug_stderr): Removed.
13597 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13598 rest_of_handle_gcse): Do not use dump argument.
13599 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13600 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13601 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13602 compute_code_hoist_vbeinout, compute_code_hoist_data,
13603 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13604 compute_store_table, build_store_vectors, insert_insn_start_bb,
13605 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13606 store_motion): Use dump_file instead of gcse_file.
13607 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13608 * profile.c (profile_dump_file): Removed.
13609 (branch_prob): Use dump_file instead of profile_dump_file.
13610 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13612 * tree-ssa-copy.c (dump_copy_of): Ditto.
13613 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13614 dump file to life_analysis.
13615 * bt-load.c (branch_target_load_optimize): Ditto.
13616 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13618 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13619 regclass, dbr_schedule): Declaration changed.
13620 * sched-int.h (sched_init): Declaration changed.
13621 * tree-profile.c (tree_profile_dump_file): Removed.
13622 (tree_profile_hooks): Removed profile_dump_file hook.
13623 * rtl-profile (rtl_profile_dump_file): Removed.
13624 (rtl_profile_hooks): emoved profile_dump_file hook.
13625 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13627 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13628 * tree-cfg.c (build_tree_cfg): Ditto.
13629 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13630 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13631 Declaration changed.
13632 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13633 life_analysis and schedule_insns.
13634 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13636 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13638 * config/mips/mips.c (mips_reorg): Ditto.
13639 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13642 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13644 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13645 (s390_mangle_fundamental_type): New.
13646 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13649 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13650 (alpha_mangle_fundamental_type): New.
13651 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13654 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13656 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13658 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13659 (sparc_mangle_fundamental_type): New.
13661 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13663 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13664 (s390x-*-linux*): Likewise.
13665 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13666 * config/s390/t-linux: New file.
13668 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13670 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13671 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13673 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13675 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13676 (ANTIC_SAFE_LOADS): New macro.
13677 (find_or_generate_expression): Add prototype.
13678 (set_contains_value): Allow null set for sake of not always having
13679 to allocate ANTIC_SAFE_LOADS.
13680 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13681 Allow COMPONENT_REF too.
13682 (valid_in_set): Allow COMPONENT_REF.
13683 Check ANTIC_SAFE_LOADS too.
13684 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13685 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13687 (can_PRE_operation): Add COMPONENT_REF.
13688 (create_component_ref_by_pieces): New function.
13689 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13690 (insert_aux): Move AGGREGATE_TYPE_P check here.
13691 (compute_avail): Set bb local stmt uids.
13692 (pass_pre): Use TODO_update_ssa_only_virtuals.
13694 2006-02-06 Ben Elliston <bje@au.ibm.com>
13696 * configure.ac: Unconditionally disable decimal float by default.
13697 * configure: Regenerate.
13699 2006-02-06 Ben Elliston <bje@au.ibm.com>
13701 * read-rtl.c (read_name): Terminate reading on EOF.
13703 2006-02-06 Ben Elliston <bje@au.ibm.com>
13705 * dfp.c (decimal_real_arithmetic): Change second argument type
13706 from int to enum tree_code. Do not always return true, but now
13707 return result of any call to decimal_do helper functions.
13708 * dfp.h (decimal_real_arithmetic): Update prototype.
13710 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13712 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13714 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13717 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13720 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13722 * tree-vrp.c (cfg_loops): Removed.
13723 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13724 Use current_loops instead of cfg_loops. Pass flags to
13725 loop_optimizer_init.
13726 * cfgloopmanip.c (fix_loop_structure): Update only available
13728 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13729 loop_optimizer_init.
13730 * modulo-sched.c (build_loops_structure): Removed.
13731 (sms_schedule): Use loop_optimizer_init.
13732 * loop-init.c (loop_optimizer_init): Use flags to determine
13733 which properties of loops to prepare.
13734 (rtl_loop_init): Pass flags to loop_optimizer_init.
13735 * tree-ssa-sink.c (execute_sink_code): Ditto.
13736 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13737 * tree-ssa-pre.c (init_pre): Ditto.
13738 * cfgloop.h (LOOPS_NORMAL): New.
13739 (loop_optimizer_init): Declaration changed.
13741 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13743 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13744 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13746 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13748 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13750 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13751 * pa/t-pa64: Delete quadlib.c rule.
13752 * pa/x-ada: Revert last change.
13753 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13755 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13757 PR rtl-optimization/26087
13758 * rtlanal.c (canonicalize_condition): Do not cross basic block
13761 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13764 * config/ia64/ia64.c: Include debug.h.
13765 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13766 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13767 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13768 (process_epilogue, process_set, process_for_unwind_directive):
13769 Output unwind info only if requested. Add CFA info if requested.
13770 Add new arguments as needed. Adjust callers.
13771 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13773 (DWARF2_FRAME_INFO): Define to zero.
13774 * config/ia64/unwind-ia64.c: Remove code that compensated for
13775 the CFA offset error fixed above.
13776 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13777 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13778 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13779 -funwind-tables and -fexceptions to enable frame info.
13780 (dwarf2out_frame_init): Define initial CFA even if
13781 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13782 DWARF2_UNWIND_INFO is nonzero, not just defined.
13783 (dwarf2out_frame_finish): Output non-EH call frame info only
13784 if DWARF2_FRAME_INFO is nonzero.
13785 (convert_cfa_to_loc_list,
13786 compute_frame_pointer_to_cfa_displacement): Define even if
13787 unwind info is not supported.
13788 (gen_subprogram_die): Use the above unconditionally. Remove
13789 legacy alternate code.
13790 * toplev.c (compile_file): Compile in call to
13791 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13792 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13794 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13795 Jakub Jelinek <jakub@redhat.com>
13797 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13798 IBM extended float format long double as "g" on powerpc*-linux.
13800 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13803 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13804 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13806 2006-02-03 Jason Merrill <jason@redhat.com>
13809 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13811 PR middle-end/25977
13812 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13813 on the return slot if it's an NRV.
13815 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13817 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13818 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13819 rewrite_use): Do not handle USE_OUTER.
13820 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13821 add_iv_outer_candidates, may_replace_final_value,
13822 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13823 (find_interesting_uses_op): Functionality of
13824 find_interesting_uses_outer_or_nonlin moved here.
13825 (find_interesting_uses_outside): Use find_interesting_uses_op.
13827 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13830 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13832 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13833 Ulrich Weigand <uweigand@de.ibm.com>
13836 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13837 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13838 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13839 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13841 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13842 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13843 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13844 Define secondary reloads for TFmode moves.
13845 (constant_modes): Add TFmode.
13846 (NR_C_MODES): Set to 8.
13847 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13849 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13850 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13851 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13852 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13853 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13854 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13855 (FPR mode macro): Add TFmode.
13856 (DSF mode macro): New.
13857 (<de>, <dee> mode attributes): Removed.
13858 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13859 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13860 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13861 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13862 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13863 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13864 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13865 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13866 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13867 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13868 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13869 "*negabs<mode>2", "sqrt<mode>2"):
13870 Changed <de> to <xde>. R constraint replaced by <Rf>.
13871 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13873 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13874 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13875 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13877 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13878 "extenddftf2", "extendsftf2"): New expanders.
13879 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13880 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13881 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13882 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13884 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13885 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13886 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13887 __floatditf): Add a GCC_4.1.0 symbol version tag.
13888 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13891 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13894 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13895 Use targetm.binds_local_p instead of TREE_PUBLIC.
13897 2006-02-02 Roger Sayle <roger@eyesopen.com>
13899 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13900 on INTEGER_TYPEs to indicate that it denotes a character type.
13901 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13902 signed_char_type_node, unsigned_char_type_node and char_type_node.
13903 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13904 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13905 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13907 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13908 Daniel Berlin <dberlin@dberlin.org>
13910 * tree-tailcall.c (arg_needs_copy_p): New function.
13911 (eliminate_tail_call): Use arg_needs_copy_p.
13912 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13913 (add_virtual_phis): New function.
13915 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13917 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13918 #ignore instead of #scratch for %g7 .register directive.
13920 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13922 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13925 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13927 * flow.c (calculate_global_regs_live): Assert that there aren't any
13930 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13932 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13933 what its name says.
13934 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13935 bsi_after_labels iterator.
13936 * tree-if-conv.c (find_phi_replacement_condition,
13937 replace_phi_with_cond_modify_expr): Likewise.
13938 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13939 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13941 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13943 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13945 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13948 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13949 array after growing it.
13951 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13953 PR middle-end/24901
13954 * fold-const.c (fold_checksum_tree): Change type of buf.
13956 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13958 * reload.c (push_secondary_reload): Initialize t_icode.
13960 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13962 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13963 -msoft-float -mlong-double-128 only issue a warning, but don't
13964 swich to DFmode long double.
13966 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13968 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13969 has a constant equivalent, iterate over equivalents for arg0,
13970 calling simplify_relational_operation and if there's a result
13971 cheaper than X, apply fold_rtx and return the result.
13973 2006-02-01 Jan Hubicka <jh@suse.cz>
13975 * opts.c (no_unit_at_a_time_default): New global variable.
13976 (decode_options): Use it.
13977 * opts.h (no_unit_at_a_time_default): Declare.
13979 2006-02-01 Paul Brook <paul@codesourcery.com>
13981 * function.c (assign_parm_setup_reg): Use function argument promotion
13983 * expr.c (expand_expr_real_1): Use function argument promotion rules
13986 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13988 * gcc.c (process_command): Change j to 'unsigned int'.
13990 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13992 PR middle-end/26001
13993 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13994 Use the corrected index for the character
13995 out of the string constant.
13997 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13999 * mode-switching.c (optimize_mode_switching): Fix size
14000 allocated for bb_info[n_entities].
14002 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14004 * gcc.c (main): Correct type that is allocated for
14005 explicit_link_files.
14007 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14009 * config/s390/s390.c (init_alignment_context): Set
14010 ALIAS_SET_MEMORY_BARRIER on the MEM.
14011 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14013 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14015 PR middle-end/25933
14016 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14018 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14021 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14023 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14024 * regrename.c: Ditto.
14025 * tree-ssa-loop-im.c: Ditto.
14026 * tree-dump.c: Ditto.
14027 * tree-complex.c: Ditto.
14028 * genrecog.c: Ditto.
14029 * tree-ssa-threadupdate.c: Ditto.
14031 * java/class.c: Ditto.
14032 * java/jcf-parse.c: Ditto.
14033 * java/resource.c: Ditto.
14034 * java/except.c: Ditto.
14035 * java/jvspec.c: Ditto.
14036 * java/jcf-write.c: Ditto.
14037 * java/jcf-path.c: Ditto.
14038 * java/gjavah.c: Ditto.
14039 * java/zextract.c: Ditto.
14040 * java/jcf-io.c: Ditto.
14041 * java/jcf.h: Ditto.
14042 * java/buffer.c: Ditto.
14043 * java/lang.c: Ditto.
14044 * java/parse-scan.y: Ditto.
14045 * java/lex.c: Ditto.
14046 * java/lex.h: Ditto.
14047 * cfgloopmanip.c: Ditto.
14048 * postreload-gcse.c: Ditto.
14049 * tree-ssa-loop-manip.c: Ditto.
14050 * postreload.c: Ditto.
14051 * tree-ssa-loop-ch.c: Ditto.
14054 * cppspec.c: Ditto.
14055 * diagnostic.c: Ditto.
14057 * genoutput.c: Ditto.
14059 * cfghooks.c: Ditto.
14060 * cfgloopanal.c: Ditto.
14061 * objc/objc-act.c: Ditto.
14063 * genextract.c: Ditto.
14064 * genautomata.c: Ditto.
14065 * pretty-print.c: Ditto.
14066 * genemit.c: Ditto.
14067 * cgraphunit.c: Ditto.
14069 * df-scan.c: Ditto.
14070 * haifa-sched.c: Ditto.
14071 * dominance.c: Ditto.
14073 * tree-ssa-loop-ivopts.c: Ditto.
14074 * df-core.c: Ditto.
14075 * mode-switching.c: Ditto.
14076 * modulo-sched.c: Ditto.
14078 * ipa-pure-const.c: Ditto.
14080 * fix-header.c: Ditto.
14082 * tree-stdarg.c: Ditto.
14083 * ipa-utils.c: Ditto.
14084 * loop-init.c: Ditto.
14085 * ipa-inline.c: Ditto.
14086 * cfganal.c: Ditto.
14088 * alloc-pool.c: Ditto.
14089 * dwarf2out.c: Ditto.
14091 * genattrtab.c: Ditto.
14092 * tree-ssa-loop-ivcanon.c: Ditto.
14093 * predict.c: Ditto.
14094 * timevar.c: Ditto.
14096 * fortran/gfortranspec.c: Ditto.
14097 * regmove.c: Ditto.
14098 * local-alloc.c: Ditto.
14099 * langhooks.c: Ditto.
14100 * function.c: Ditto.
14101 * tree-vectorizer.c: Ditto.
14103 * ipa-type-escape.c: Ditto.
14105 * tree-if-conv.c: Ditto.
14106 * profile.c: Ditto.
14108 * tree-data-ref.c: Ditto.
14109 * loop-unroll.c: Ditto.
14110 * treelang/treetree.c: Ditto.
14112 * bt-load.c: Ditto.
14113 * ggc-common.c: Ditto.
14115 * coverage.c: Ditto.
14117 * tree-cfgcleanup.c: Ditto.
14118 * tree-ssa-pre.c: Ditto.
14119 * cfgcleanup.c: Ditto.
14120 * loop-invariant.c: Ditto.
14121 * loop-iv.c: Ditto.
14122 * ipa-prop.c: Ditto.
14123 * print-tree.c: Ditto.
14124 * conflict.c: Ditto.
14125 * ggc-page.c: Ditto.
14126 * sched-deps.c: Ditto.
14127 * regclass.c: Ditto.
14128 * tree-object-size.c: Ditto.
14129 * combine.c: Ditto.
14130 * bb-reorder.c: Ditto.
14131 * resource.c: Ditto.
14132 * var-tracking.c: Ditto.
14133 * cfgloop.c: Ditto.
14134 * df-problems.c: Ditto.
14135 * reg-stack.c: Ditto.
14137 * gccspec.c: Ditto.
14138 * sched-rgn.c: Ditto.
14139 * tree-ssa-structalias.c: Ditto.
14140 * tree-ssa-reassoc.c: Ditto.
14141 * config/darwin-c.c: Ditto.
14142 * config/darwin.c: Ditto.
14143 * config/arm/arm.c: Ditto.
14145 * collect2.c: Ditto.
14146 * reload1.c: Ditto.
14148 2006-01-31 Nicolas Pitre <nico@cam.org>
14150 * arm.md (smaxsi3): Make aware of smax_m1.
14153 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14155 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14157 2006-01-31 Richard Guenther <rguenther@suse.de>
14159 * doc/invoke.texi (-msselibm): Document.
14160 * target.h (expand_library_builtin): New target hook.
14161 * builtins.c (expand_builtin): Use expand_library_builtin.
14162 (default_expand_library_builtin): New function.
14163 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14164 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14165 (link_gcc_math_spec): Declare.
14166 (static_specs): Add link_gcc_math_spec.
14167 * expr.h (default_expand_library_builtin): Declare.
14168 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14169 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14170 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14171 * config/i386/i386.opt (msselibm): New target option.
14172 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14173 (ix86_init_sse_abi_builtins): New function.
14174 (ix86_expand_library_builtin): Likewise.
14175 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14176 (override_options): Handle error conditions wrt -msselibm.
14177 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14178 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14179 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14182 2006-01-31 Richard Guenther <rguenther@suse.de>
14183 Paolo Bonzini <bonzini@gnu.org>
14185 * doc/install.texi (--disable-libgcc-math): Document.
14187 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14189 * expr.h (expand_normal): new inline function.
14190 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14191 * dojump.c: use it.
14192 * dwarf2out.c: use it.
14195 * expmed.c: use it.
14196 * except.c: use it.
14197 * config/sparc/sparc.c: use it.
14198 * config/i386/i386.c: use it.
14199 * config/rs6000/rs6000.c: use it.
14200 * config/arm/arm.c: use it.
14201 * config/mips/mips.c: use it.
14202 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14204 2006-01-30 Roger Sayle <roger@eyesopen.com>
14206 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14207 argv to the appropriate type.
14209 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14211 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14214 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14217 * config/s390/s390.c (struct machine_function): New flag
14218 decomposed_literal_pool_addresses_ok_p.
14219 (s390_reorg): Set it before final stage of literal pool transforms.
14220 (s390_decompose_address): Only accept displacements of the form
14221 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14223 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14225 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14226 the comparison routine return.
14228 2006-01-30 Michael Matz <matz@suse.de>
14230 * global.c (find_reg): Only evict for global regs.
14231 Take n_refs into account and dump more info.
14233 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14236 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14237 (pragma_trap, pragma_nosave_low_regs): Likewise.
14238 (current_function_anonymous_args): Likewise.
14239 (sh_deferred_function_attributes): New variable.
14240 (sh_deferred_function_attributes_tail): Likewise.
14241 (print_operand): For '@', look up trap_exit attribute.
14242 (calc_live_regs): Look up trapa_handler attribute. For trapa
14243 handlers, save/restore fpscr, but don't do any other
14244 interrupt-specific saves.
14245 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14246 Fix check for partially saved registers to check for SHmedia.
14247 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14248 (sh_output_function_epilogue): Don't clear any of the removed
14250 (sh_insert_attributes): Don't check pragma_interrupt.
14251 Insert deferred attributes. Check that interrupt attribute is
14252 present for other attributes that require its presence.
14253 (sh_attribute_table): Add new attributes trapa_handler and
14255 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14256 Don't check for pragma_interrupt. Don't store argument.
14257 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14258 (sh_deferred_function_attributes): Declare.
14259 (sh_deferred_function_attributes_tail): Likewise.
14260 * sh.md (sp_switch_1): Add operand. Change generator caller.
14261 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14262 (*return_i): Don't use when trap_exit attribute is in effect.
14263 (*return_trapa): New insn pattern.
14264 * sh-c.c: New file.
14265 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14266 setting c_target_objs and cxx_target_objs.
14267 * t-sh: Add rule for sh-c.o.
14269 2006-01-30 Richard Guenther <rguenther@suse.de>
14272 * gimplify.c (gimplify_target_expr): Handle easy cases
14273 without creating a temporary.
14275 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14277 * vec.h (safe_grow): Remove duplicated line.
14279 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14282 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14283 (expand_omp): ... here.
14284 (expand_omp_parallel): Only remove barriers for combined
14285 parallel+workshare constructs.
14287 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14291 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14292 * tree.c (build_qualified_type): Chain the new type to the original
14293 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14294 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14295 (build_pointer_type_for_mode): Only return unqualified types.
14296 (build_reference_type_for_mode): Likewise.
14298 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14300 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14301 * Makefile.in (CXX_COMPAT_WARN): Define.
14302 * configure: Regenerate.
14304 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14307 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14310 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14312 * toplev.c: Fix thinko.
14314 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14315 Marcin Dalecki <martin@dalecki.de>
14317 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14318 (push_srcloc): Use XNEW.
14319 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14321 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14323 * df-core.c (df_set_blocks): Deleted all variable.
14325 2006-01-28 Ian Lance Taylor <ian@airs.com>
14327 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14328 cgraph_output_pending_asms.
14330 2006-01-28 Zack Weinberg <zackw@panix.com>
14332 * c.opt: Add -W(no-)overlength-strings.
14333 * doc/invoke.texi: Document it.
14334 * c-opts.c (c_common_handle_option): -pedantic implies
14335 -Woverlength-strings, if not explicitly disabled already.
14336 (c_common_post_options): -Woverlength-strings defaults to off, and
14337 is always off for C++.
14338 * c-common.c (fix_string_type): Issue warning about strings longer
14339 than is portable only if warn_overlength_strings. Rearrange code
14340 a little for clarity.
14341 * configure.in: Check for -Wno-overlength-strings as well before
14342 enabling -pedantic in stage 1.
14343 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14344 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14346 * genconditions.c (write_header, write_one_condition)
14347 (write_conditions, write_writer): Consolidate very long strings
14348 that were broken up to fit in C89 portable limit. Don't use
14349 printf when fputs will do.
14351 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14353 * combine.c (simplify_comparison <AND>): Check
14354 TRULY_NOOP_TRUNCATION before start using a subreg.
14356 * config/mips/mips.md (*branch_zero<mode>,
14357 *branch_zero<mode>_inverted, *branch_equality<mode>,
14358 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14359 Remove mode check from comparisons.
14361 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14363 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14365 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14367 * expmed.c (const_mult_add_overflow_p): Remove.
14368 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14370 * recog.c (validate_replace_rtx_subexp): Remove.
14371 * recog.h: Remove the prototype for
14372 validate_replace_rtx_subexp.
14374 * integrate.h: Remove the prototype for
14375 copy_decl_for_inlining.
14376 * rtl.h: Remove the prototype for mark_constant_function.
14377 * tree-vectorizer.h: Remove the prototype for
14378 vect_strip_conversion.
14380 * modulo-sched.c (create_partial_schedule,
14381 free_partial_schedule, reset_partial_schedule): Make them
14384 * hooks.c (hook_bool_rtx_int_false): Remove.
14385 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14387 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14389 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14390 and -mlong-double-128 are incompatible.
14391 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14392 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14393 (TARGET_LIBGCC2_CFLAGS): Define.
14394 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14395 (TARGET_LIBGCC2_CFLAGS): Same.
14396 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14398 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14401 * c-typeck.c (build_binary_op): Perform implicit casts of
14402 operands before shortening them.
14404 * cfgloopmanip.c (split_loop_bb): Remove.
14405 * cfgloop.h: Remove the prototype for split_loop_bb.
14407 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14408 * cfgloop.h: Remove the prototype for
14409 flow_loop_outside_edge_p.
14411 * emit-rtl.c (init_virtual_regs): Make it static.
14412 * function.h: Remove the prototype for init_virtual_regs.
14414 * recog.c (peephole2_optimize): Make it static.
14415 * recog.h: Remove the prototype for peephole2_optimize.
14417 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14419 * df-scan.c (df_record_entry_block_defs): Check if
14420 INCOMING_RETURN_ADDR_RTX is defined.
14422 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14423 Kenneth Zadeck <zadeck@naturalbridge.com>
14425 PR rtl-optimization/24762
14426 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14427 * targhooks.c (hook_void_bitmap): New hook prototype.
14428 * targhoohs.h (hook_void_bitmap): Ditto.
14429 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14430 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14431 * target.h (live_on_entry): New function pointer.
14432 * df-scan.c (df_all_hard_regs): Removed.
14433 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14434 (df_scan_free_internal): Added df->entry_block_defs.
14435 (df_scan_alloc): Ditto.
14436 (df_scan_dump): Ditto.
14437 (df_uses_record): Plumbed flag field properly thru calls.
14438 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14439 This part fixes PR24762.
14440 (df_bb_refs_record): Added code to make the frame and arg
14441 pointers live in EH blocks.
14442 (df_refs_record): Added call to df_record_entry_block_defs.
14443 (df_record_entry_block_defs): New function.
14444 * df-core.c: Added comments to describe new artifical defs.
14445 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14446 (entry_block_defs): New field in struct df.
14447 (df_all_hard_regs): Deleted.
14448 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14449 * df-problems.c (df_ru_bb_local_compute_process_def):
14450 Added code to handle artifical defs in the entry to a function.
14451 (df_ru_bb_local_compute): Ditto.
14452 (df_rd_bb_local_compute_process_def): Ditto.
14453 (df_rd_bb_local_compute): Ditto.
14454 (df_lr_bb_local_compute): Ditto.
14455 (df_ur_bb_local_compute): Ditto.
14456 (df_urec_bb_local_compute): Ditto.
14457 (df_chain_create_bb): Ditto.
14458 (df_ur_local_finalize): Removed entry.
14459 (df_urec_init): Ditto.
14460 (df_urec_local_finalize): Ditto.
14461 (df_ri_bb_compute): Added detection of last use of pseudos.
14462 * Makefile.in (df-scan.o): Updated dependencies.
14463 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14464 * config/mips/mips.c (mips_set_live_on_entry): Added.
14465 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14467 * dce.c (marked_insn_p): Added code to handle artifical defs.
14469 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14471 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14473 (_mm_cvtsi128_si64): Likewise.
14474 (_mm_cvtsd_si64): Likewise.
14475 (_mm_cvttsd_si64): Likewise.
14476 (_mm_cvtsi64_sd): Likewise.
14477 (_mm_cvtsi64_si128): Likewise.
14478 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14479 (_mm_cvtsi64_m64): Likewise.
14480 (_m_to_int64): Likewise.
14481 (_mm_cvtm64_si64): Likewise.
14482 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14483 (_mm_cvttss_si64): Likewise.
14484 (_mm_cvtsi64_ss): Likewise.
14485 (_mm_cvtss_f32): Likewise.
14487 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14489 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14490 for pragma redefine_extname.
14492 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14495 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14496 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14497 -mno-minimal-toc to previous content.
14498 (bispecs): Remove goal.
14499 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14500 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14501 compatibility aliases on powerpc-*-*gnu*.
14502 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14503 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14504 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14505 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14506 (ldblspecs): New goal.
14507 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14508 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14510 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14511 L_sf_to_tf or L_df_to_tf is defined.
14513 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14514 Alan Modra <amodra@bigpond.net.au>
14517 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14518 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14519 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14520 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14521 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14522 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14523 (rs6000_override_options): Initialize rs6000_ieeequad.
14524 Initialize TFmode format to ibm_extended_format if not
14526 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14528 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14529 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14530 (function_arg_advance): IBM long double passed in two FPRs, not
14532 (function_arg): IBM long double passed in FPRs.
14533 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14534 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14535 Only multireg GPR aligned.
14536 (rs6000_init_libfuncs): Enable IBM long double functions if not
14538 (rs6000_generate_compare): Use IBM long double compare if not
14540 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14541 (TARGET_IEEEQUAD): Define.
14542 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14543 not TARGET_IEEEQUAD.
14544 * config/rs6000/rs6000.md: Enable TFmode patterns if
14546 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14547 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14548 and -mlong-double-128 are incompatible.
14549 * doc/invoke.texi (-mabi): Collect options together. Add
14550 ibmlongdouble and ieeelongdouble.
14552 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14554 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14556 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14557 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14558 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14559 * rtl.h (rtunion_def): Remove rt_ptr.
14561 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14562 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14563 * config/i386/winnt.c (i386_pe_mark_dllexport)
14564 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14566 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14568 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14570 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14574 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14575 pthread_key_delete. From John David Anglin. gthrw-ify
14576 pthread_getunique_np only if it it's not a macro. Delete
14578 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14579 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14580 __gthread_objc_condition_signal, __gthread_key_delete): Add
14581 "__attribute__ ((__unused__))" to unused arguments.
14582 (__gthread_recursive_mutex_init_function): Add missing return.
14583 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14584 gthr-posix95.h: Use macro-based approach for name redirection
14585 on targets missing weakref.
14587 2006-01-26 Zack Weinberg <zackw@panix.com>
14589 * genconditions.c (write_header): In generated code, #ifdef out
14590 all includes and fake declarations, except includes of bconfig.h
14591 and system.h, unless GCC_VERSION >= 3001. Do not include
14592 gensupport.h in any case.
14593 (write_conditions): Generate a definition of struct c_test. Add
14594 a comment to the generated #endif.
14595 (write_one_condition): Escape backslashes in string too.
14596 (write_writer): Generated code must escape backslashes and quote
14597 marks (but not newlines) in the strings it writes.
14598 * Makefile.in (build/gencondmd.o): Update dependencies.
14600 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14603 * Makefile.in (insn-automata.o): Add header file dependencies.
14604 * genautomata.c: Add includes.
14606 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14609 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14611 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14613 * configure.ac: Expect target tools paths to be passed from the toplevel
14614 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14616 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14618 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14621 * c.opt (Wpointer-sign): Init to -1.
14622 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14623 OPT_pedantic, to 0 otherwise.
14624 * doc/invoke.texi: Update.
14626 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14628 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14629 constants provided by 80387 instructions in the destination mode.
14631 2006-01-26 Richard Guenther <rguenther@suse.de>
14632 Andrew Pinski <pinskia@physics.uc.edu>
14635 partial PR tree-opt/17064
14636 * tree-ssa-structalias.c (intra_create_variable_infos):
14637 Create heap variables for incoming parameters if
14638 flag_argument_noalias > 1.
14639 (find_what_p_points_to): Look through default defs of
14642 2006-01-26 Jeff Law <law@redhat.com>
14645 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14646 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14647 within the VR_RANGE, use the VR_RANGE as the result, not the
14649 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14650 bounds for the type.
14652 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14654 * tree-ssa-alias.c (maybe_create_global_var): Change
14655 subvar walking to an assertion that we don't have subvar'd variables.
14657 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14660 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14661 Use a new variable, inner. PARM_DECLs are always non-weak.
14663 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14665 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14666 --disable-checking.
14668 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14670 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14672 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14674 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14675 (smax_insn, smin_insn, smax_0, smin_0): New.
14677 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14680 * config/cris/cris.c (cris_order_for_addsi3): New function.
14681 * config/cris/cris-protos.h: Prototype it.
14682 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14683 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14684 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14685 (split for "op.S1 [rx=rx+i],ry (swapped)")
14686 (split for "op(s|u).S1 [rx=rx+i],ry")
14687 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14688 Apply cris_order_for_addsi3 when generating addsi3 insns.
14690 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14692 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14693 (TREE_BLOCK): Add call to EXPR_CHECK.
14695 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14698 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14699 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14700 (dump_omp_clauses): ... here.
14701 (dump_generic_node): Handle OMP_CLAUSE.
14702 * tree.c (omp_clause_num_ops): New.
14703 (omp_clause_code_name): New.
14704 (tree_code_size): Handle OMP_CLAUSE.
14705 (tree_size): Likewise.
14706 (make_node): Document handling of OMP_CLAUSE.
14707 (tree_node_structure): Handle OMP_CLAUSE.
14708 (omp_clause_check_failed): New.
14709 (omp_clause_range_check_failed): New.
14710 (omp_clause_operand_check_failed): New.
14711 (build_omp_clause): New.
14712 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14713 * tree.h (enum omp_clause_code): Declare.
14714 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14715 (OMP_CLAUSE_RANGE_CHECK): Define.
14716 (OMP_CLAUSE_ELT_CHECK): Define.
14717 (omp_clause_check_failed): Declare.
14718 (omp_clause_operand_check_failed): Declare.
14719 (omp_clause_range_check_failed): Declare.
14720 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14721 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14722 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14723 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14724 (OMP_CLAUSE_IF_EXPR): Likewise.
14725 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14726 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14727 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14728 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14729 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14730 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14731 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14732 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14733 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14734 (OMP_CLAUSE_CODE): Define.
14735 (OMP_CLAUSE_SET_CODE): Define.
14736 (OMP_CLAUSE_CODE): Define.
14737 (OMP_CLAUSE_OPERAND): Define.
14738 (struct tree_omp_clause): Declare.
14739 (union tree_node): Add field 'omp_clause'.
14740 * treestruct.def (TS_OMP_CLAUSE): Define.
14741 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14742 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14743 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14744 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14745 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14746 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14747 (OMP_CLAUSE): Define.
14748 * print-tree.c (print_node): Handle OMP_CLAUSE.
14749 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14750 * c-typeck.c: Likewise.
14751 * gimplify.c: Likewise.
14752 * c-omp.c: Likewise.
14753 * tree-nested.c: Likewise.
14754 * tree-inline.c: Likewise.
14755 * c-parser.c: Likewise.
14756 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14759 2006-01-25 Roger Sayle <roger@eyesopen.com>
14761 PR rtl-optimization/25703
14762 * combine.c (try_combine): Handle zero_extract and strict_low_part
14763 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14765 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14767 * global.c: Fix comment typos.
14769 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14772 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14773 Use output_addr_const instead of assemble_name.
14775 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14777 * Makefile.in (sched-vis.o): Update dependencies.
14778 * haifa-sched.c (sched_finish): Clear current_sched_info.
14779 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14780 (dump_flow_info): Call it.
14781 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14783 * basic-block.h (dump_bb_info): Declare.
14784 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14785 option, and apply options only for dump files whose TDF_RTL,
14786 TDF_TREE, or TDF_IPA bits match.
14787 * rtl.h: Declare new functions exported from sched-vis.c.
14788 * sched-vis.c: Enable also if scheduling is not used.
14789 (print_value): Print the mode of registers if not inside scheduling.
14790 (print_insn): Make it work outside the scheduler. Beautify the output
14792 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14794 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14796 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14797 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14798 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14799 depending on the value of CONSTANT_POOL_ADDRESS_P.
14800 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14802 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14803 rather than SYMBOL_REF_DECL.
14804 (rtx_constant_pool): Remove const_rtx_sym_htab.
14805 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14806 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14807 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14808 Remove handling of const_rtx_sym_htab.
14809 (find_pool_constant): Delete.
14810 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14811 rather than find_pool_constant.
14812 (get_pool_constant_for_function): Delete.
14813 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14814 find_pool_constant.
14815 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14816 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14817 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14818 (SYMBOL_REF_CONSTANT): New macro.
14819 (get_pool_constant_for_function): Delete.
14820 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14821 rather than SYMBOL_REF_DECL.
14822 (i386_pe_mark_dllimport): Likewise.
14823 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14824 rather than SYMBOL_REF_DECL.
14825 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14826 (machopic_indirect_call_target): Likewise.
14828 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14830 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14832 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14834 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14836 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14838 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14840 2006-01-24 David Daney <ddaney@avtrex.com>
14843 * configure.ac (enable_tls): New enable option.
14844 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14845 * configure: Regenerate.
14846 * doc/install.texi (--enable-tls): Document new option.
14847 (--disable-tls): Ditto.
14849 2006-01-24 Richard Henderson <rth@redehat.com>
14851 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14852 * alias.c (true_dependence): Respect it.
14853 (canon_true_dependence, write_dependence_p): Likewise.
14854 * builtins.c (get_builtin_sync_mem): Set it.
14856 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14858 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14861 2006-01-24 DJ Delorie <dj@redhat.com>
14863 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14864 for storing constants in single-bit bitfields.
14866 2006-01-25 Ben Elliston <bje@au.ibm.com>
14868 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14870 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14873 * tree-ssa-pre.c (phi_translate): Return NULL
14874 for AGGREGATE_TYPE's.
14876 2006-01-24 Zack Weinberg <zackw@panix.com>
14878 * genautomata.c (process_state_for_insn_equiv_partition):
14879 Use xcalloc for insn_arcs_array.
14880 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14881 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14883 2006-01-24 Richard Henderson <rth@redhat.com>
14885 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14886 update all callers.
14888 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14890 PR rtl-optimization/25890
14891 PR rtl-optimization/25905
14892 * combine.c (expand_compound_operation, expand_field_assignment):
14893 Fail if the bitfield's final position is out of bounds.
14895 2006-01-24 Ian Lance Taylor <ian@airs.com>
14897 PR middle-end/25930
14898 * cgraphunit.c (cgraph_output_in_order): Don't clear
14899 cgraph_asm_nodes until after asm strings have been output.
14901 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14903 * fix-header.c (read_scan_file): Add new parameter imultilib when
14904 calling register_include_chains.
14906 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14908 * omp-low.c: Update documentation.
14910 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14911 Daniel Berlin <dberlin@dberlin.org>
14915 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14916 return from the function.
14918 2006-01-22 Zack Weinberg <zackw@panix.com>
14920 * rtl.def (match_code): Add second argument.
14921 * genpreds.c (write_extract_subexp): New function.
14922 (write_match_code): Add path argument. Use write_extract_subexp.
14923 (write_predicate_expr): Pass path to write_match_code.
14924 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14925 not perform a mode test.
14926 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14927 a subexpression does not constrain the top-level code set.
14928 * read-rtl.c (read_rtx_variadic): New function.
14929 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14930 * doc/md.texi: Document new notation.
14931 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14932 (cmpsi_operand): ... here, using new notation.
14934 2006-01-22 Zack Weinberg <zackw@panix.com>
14936 * varray.c: Remove GENERATOR_FILE #ifdefs.
14938 2006-01-22 Zack Weinberg <zackw@panix.com>
14940 * genautomata.c (output_reserved_units_table): Emit nothing if
14941 description->query_units_num is zero. Remove extra blank line.
14942 (output_cpu_unit_reservation_p): Short circuit
14943 if description->query_units_num is zero.
14945 2006-01-22 Zack Weinberg <zackw@panix.com>
14947 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14948 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14949 nor any of the random handful of variables that used to be necessary
14950 when this program was linked with rtlanal.o. Prune set of forward
14951 function declarations.
14952 (struct attr_desc): Remove static_p field.
14953 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14954 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14955 (attr_string): Do not read the character one past the length of
14957 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14958 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14959 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14960 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14961 (make_automaton_attrs): New.
14962 (main): Do not call into genautomata. Call local gen_bypass
14963 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14964 Remove special case for insn_alts.
14965 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14966 varray.h (leftover from previous change). Prune set of forward
14967 function declarations. Remove state_alts fields from all
14968 structures. Remove state_alts_table from struct automaton.
14969 Make everything except main static. Do not maintain num_dfa_decls.
14970 Do not maintain state_alts fields of various structures.
14971 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14972 (add_arc): Remove state_alts argument. All callers updated.
14973 (output_reserved_units_table): Emit #ifdef here...
14974 (output_tables): ...not here. Don't generate state_alts tables.
14975 (expand_automata): Don't generate attributes.
14976 (write_automata): Don't generate state_alts functions.
14977 (main): New function.
14978 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14979 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14980 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14981 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14982 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14983 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14984 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14985 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14987 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14988 * genattrtab.h: Delete file.
14989 * Makefile.in (OBJS-common): Add insn-automata.o.
14990 (insn-automata.o): New rule.
14991 (simple_generated_c): Add insn-automata.c.
14992 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14993 (genprogmd): Add automata.
14994 (build/genattrtab): Needs no extra objects nor libraries.
14995 (build/genautomata): Needs build/vec.o and -lm.
14997 2006-01-22 Zack Weinberg <zackw@panix.com>
14999 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15000 (output_dfa_max_issue_rate, locked_states_num): Delete.
15001 (struct automaton): Add locked_states field.
15002 (output_dead_lock_vect): Save number of locked states in
15003 automaton->locked_states. If it is zero, don't print anything.
15004 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15005 (output_internal_dead_lock_func): Only test the dead_lock_vect
15006 for automata that have locked states.
15007 (output_statistics): Always print the number of locked states for
15008 each automaton. Calculate total number of locked states here.
15009 (write_automata): Don't call output_dfa_max_issue_rate.
15010 * genattrtab.c: Define length_unit_log as a const variable.
15011 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15012 max_insn_queue_index const.
15013 * final.c (length_unit_log): Declare const.
15014 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15016 2006-01-22 Zack Weinberg <zackw@panix.com>
15018 * genautomata.c: Include vec.h, not varray.h.
15019 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15020 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15021 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15022 VEC_* macros operating on appropriately typed vectors, or to
15023 malloced arrays when the size is known in advance. Const-ify
15024 many char* variables and function arguments. No functional changes.
15025 * Makefile.in (build/varray.o): Delete rule.
15026 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15027 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15029 2006-01-22 Zack Weinberg <zackw@panix.com>
15031 * gensupport.c: Define get_insn_name and record_insn_name here.
15032 (read_md_rtx): Call record_insn_name as appropriate.
15033 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15034 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15035 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15037 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15038 (BUILD_VARRAY): Delete.
15039 (genprognormal): Rename genprogmd. Fold in all programs from
15040 genprognoprint; also attrtab.
15041 (build/genattrtab): Just mention genautomata.o and varray.o.
15042 Reorganize a bit, add comments to make the categories clearer.
15044 2006-01-22 Zack Weinberg <zackw@panix.com>
15046 * genconditions.c (condition_table, add_condition): Delete.
15047 (write_conditions): Don't emit n_insn_conditions nor
15048 insn_elision_unavailable. Issue the gcc version #ifdef here,
15049 inside the table, with no #else clause ...
15050 (write_header): ...not here.
15051 (write_writer): New function.
15052 (main): Don't initialize condition_table. Use add_c_test.
15054 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15055 files on the command line.
15056 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15057 Return -1 if there is no entry in the table, don't abort.
15058 (add_c_test, traverse_c_tests): New functions.
15059 * gensupport.h (insn_elision_unavailable, insn_conditions)
15060 (n_insn_conditions): Delete declarations.
15061 (add_c_test, traverse_c_tests): Declare.
15062 * read-rtl.c: Include gensupport.h.
15063 (read_conditions): New function.
15064 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15065 (read_rtx_1): If we get EOF when we were looking for an initial
15066 open paren, return 0. Call read_conditions when appropriate.
15067 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15068 dummy-conditions.o. Eliminate references to insn-conditions.o,
15069 or change them to build/gencondmd.o, as appropriate. Remove
15070 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15071 from $(simple_generated_c). For all files remaining in those
15072 two lists, add insn-conditions.md to the generator command line.
15073 Give insn-constants.h/s-constants their own rules. Add rules
15074 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15075 (build/read-rtl.o): Depend on gensupport.h.
15076 (genprognormal): Include preds.
15077 (genprogearly): Rename genprognoprint; only difference is now that
15078 they don't link with $(BUILD_PRINT).
15079 * dummy-conditions.c: Delete.
15081 2006-01-22 Zack Weinberg <zackw@panix.com>
15083 * genextract.c: Don't include insn-config.h. Do include vec.h.
15084 Declare vectors of int, char, and locstr.
15085 (locstr): New typedef.
15086 (struct extraction): Make all array fields into bare pointers.
15087 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15088 (insn_code_number): Delete.
15089 (accum_extract): New struct.
15090 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15091 (gen_insn): Take insn_code_number as an argument. Use an
15092 accum_extract structure instead of loading data directly into
15093 a struct extraction, and having to know how big it might get.
15094 (walk_rtx): Operate entirely on an accum_extract structure.
15095 (print_path): Avoid unnecessary use of printf.
15096 (print_header): New function, split out of main. Distinguish
15097 more carefully between an unrecognizable insn and an insn that
15098 has the code number of a define_expand.
15099 (main): Pass insn_code_number to gen_insn. Call print_header
15100 only after parsing. Avoid unnecessary use of printf.
15101 * Makefile.in (build/vec.o): New rule.
15102 (build/genextract): Depend on build/vec.o.
15103 (build/genextract.o): Don't depend on insn-config.h.
15105 2006-01-22 Zack Weinberg <zackw@panix.com>
15107 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15108 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15109 practical. Eliminate per-generator-program link rules.
15111 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15113 PR middle-end/24437
15114 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15115 with a call expr to ...
15116 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15118 2006-01-23 Richard Guenther <rguenther@suse.de>
15120 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15121 before make_edge with conditional EDGE_TRUE_VALUE.
15123 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15124 Jan Hubicka <jh@suse.cz>
15125 Richard Guenther <rguenther@suse.de>
15127 PR rtl-optimization/25654
15128 * cfgexpand.c (aggregate_contains_union_type): New function.
15129 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15130 for structure variables that contain a union type.
15132 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15134 * gengtype.c (new_structure): Return the structure.
15135 (create_option): Add an extra "next" argument.
15136 (create_field): New function.
15137 (adjust_field_rtx_def): Use create_option and create_field.
15138 Remove a now-unnecessary call to find_structure.
15139 (adjust_field_tree_def): Likewise.
15140 (note_yacc_type): Remove an unnecessary call to find_structure.
15141 * gengtype.h (new_structure): Return the structure.
15142 (create_option): Add an extra argument.
15143 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15144 (option): Adjust calls to create_option.
15146 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15148 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15150 2006-01-22 Paul Brook <paul@codesourcery.com>
15151 Peter Barada <peter@the-baradas.com>
15153 * config/m68k/m68k.md: Add Coldfire FPU support.
15154 Define FP mode macro and associated attributes.
15155 Use it for float mode patterns.
15156 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15157 (LIBCALL_VALUE): Use m68k_libcall_value.
15158 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15159 (m68k_function_value): Ditto.
15160 (emit_move_sequence): Ditto.
15161 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15162 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15163 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15164 (MULTILIB_EXCEPTIONS): Ditto.
15165 * config/m68k/m68k.opt: Add mcfv4e.
15166 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15167 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15168 (m68k_output_function_prologue): Save ColdFire FPU registers.
15169 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15170 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15171 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15172 ColdFire FPU registers.
15173 (m68k_libcall_value, m68k_function_value): New functions.
15174 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15175 (LIBCALL_VALUE): Use m68k_libcall_value.
15176 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15177 (MASK_COLDFIRE): Add MASK_CFV4E.
15178 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15179 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15180 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15181 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15182 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15183 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15184 * doc/invoke.tex: Document -mcfv4e on m68k.
15186 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15188 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15191 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15194 * c-opts.c (c_common_handle_option): Don't include
15195 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15196 * doc/invoke.texi (C++ Dialect Options): Document that
15197 -Wnon-virtual-dtor is no longer included in -Wall.
15199 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15201 * gcov.c (print_version), gcov-dump.c (print_version),
15202 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15205 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15207 * df-scan.c (problem_SCAN): Added NULL reset function.
15208 (df_scan_reset_blocks): Added code to call reset block function
15209 (df_bb_refs_delete) Fixed comment.
15210 (df_insn_refs_delete): Made tolerant of deleting non existent info
15211 for dataflow problems that need to be reset.
15212 * df-core.c (df_set_blocks): Ditto.
15213 * df.h (struct df_problem): Added reset_fun.
15214 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15215 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15216 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15217 functions to clear out all references to def-use or use-def chains.
15219 2006-01-21 Ben Elliston <bje@au.ibm.com>
15221 * varasm.c (assemble_real): Initialise data array.
15223 2006-01-20 Paul Brook <paul@codesourcery.com>
15225 Merge from csl-arm-branch.
15226 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15227 * config/arm/arm.md (movdi): Force operands[1] to a register
15228 if we have a non-register source.
15229 (*arm_movdi, *movdf_soft_insn): Require that one of the
15230 operands be a register.
15231 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15232 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15234 2006-01-20 DJ Delorie <dj@redhat.com>
15236 * varasm.c (initializer_constant_valid_p): Allow pointers
15237 initialized from integer constants of lesser precision.
15238 (output_constant): Allow non-int-sized pointer modes to be
15239 initialized from integer constants.
15241 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15244 * cppdefault.h (struct default_include): Add multilib flag.
15245 * cppdefault.c (cpp_include_defaults): Set it.
15246 * c.opt (-imultilib): New option.
15247 * c-opts.c (imultilib): New.
15248 (c_common_handle_option): Handle -imultilib.
15249 (c_common_post_options): Likewise.
15250 * c-incpath.c (add_standard_paths, register_include_chains):
15252 * c-incpath.h (register_include_chains): Add extra parameter.
15253 * gcc.c (do_spec_1): Generate -imultilib option.
15254 (The Specs Language): Update %I description.
15255 (process_command): Update copyright notice.
15256 * doc/cppopts.texi (-imultilib): Document.
15257 * doc/invoke.texi (-imultilib): Include in option summary.
15258 (%I): Update specs documentation.
15260 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15262 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15264 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15266 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15269 2006-01-20 Richard Guenther <rguenther@suse.de>
15270 Steven Bosscher <stevenb.gcc@gmail.com>
15272 PR rtl-optimization/24626
15273 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15274 EDGE_TRUE_VALUE if in RTL mode.
15277 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15278 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15280 2006-01-20 Dirk Mueller <dmueller@suse.com>
15283 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15284 instead of a special NOP marker.
15285 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15286 NOP marker handling.
15287 * c-common.h (empty_body_warning): Add forward declaration.
15288 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15289 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15291 2006-01-20 Paul Brook <paul@codesourcery.com>
15293 * Makefile.in (lang_checks): Keep going if mkdir fails.
15295 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15297 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15298 be able to clean out basic block when not necessary.
15299 (df_scan_free): Fixed to properly delete information if df is
15300 unused before calling df_finish.
15301 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15302 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15304 (df_bb_refs_delete): New function.
15305 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15306 * df-core.c (df_set_blocks): Added code to properly clean out
15307 unused blocks if they are not part of the blocks to consider.
15308 Added additional null check.
15309 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15310 be able to clean out basic block when not necessary
15311 * df.h (df_free_bb_function): Ditto.
15312 (df_bb_refs_delete): New function.
15313 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15314 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15315 basic block parameter to be able to clean out basic block when not
15317 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15318 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15319 Fixed to properly delete information if df is unused before
15322 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15324 PR rtl-optimization/25799
15325 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15326 Corrected confluence operator to remove bits from op2 before oring
15327 with op1 rather than removing bits from op1.
15328 (df_ru_transfer_function): Corrected test on wrong bitmap which
15329 caused infinite loop. Both of these problems were introduced in
15330 the dataflow rewrite.
15332 2006-01-19 DJ Delorie <dj@redhat.com>
15334 * reload1.c (find_reload_regs): Note the details of reload
15335 failures in the dump file.
15336 (spill_failure): Likewise.
15338 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15340 * loop-iv.c: Include df.h and hashtab.h.
15341 (enum iv_grd_result): New enum.
15342 (DF_REF_IV, DF_REF_IV_SET): New macros.
15343 (struct biv_entry): New.
15344 (df, bivs): New global variables.
15345 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15346 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15348 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15349 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15350 analyzed_for_bivness_p, record_biv): New functions.
15351 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15352 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15353 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15355 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15357 (iv_number_of_iterations): Use new interface to iv analysis.
15358 * loop-unroll.c: Do not include varray.h.
15359 (analyze_iv_to_split_insn): Use new interface to iv
15361 * loop-unswitch.c (may_unswitch_on): Ditto.
15362 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15364 (df_bb_modify): Realloc tables to the new index.
15365 (df_find_use): New function.
15366 * df.h (df_find_use): Declare.
15367 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15369 * cfgloop.h (struct rtx_iv): Remove analysed field.
15370 (iv_get_reaching_def): Removed.
15371 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15372 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15373 (loop-iv.o): Add df.h and hashtab.h dependency.
15374 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15376 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15379 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15381 (__floatundisf, __floatundidf): Likewise.
15382 * libgcc2.h (IS_IBM_EXTENDED): Define.
15384 2006-01-19 DJ Delorie <dj@redhat.com>
15386 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15388 2006-01-19 Paul Brook <paul@codesourcery.com>
15390 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15391 as nothrow when unwinding tables are disabled.
15393 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15396 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15397 of bit-field" when in system header.
15399 2006-01-19 DJ Delorie <dj@redhat.com>
15401 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15402 the 16 bit shift limit of the m16c.
15404 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15407 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15408 * config/i386/i386.c (output_set_got): Output the label if we have one
15409 for the TARGET_DEEP_BRANCH_PREDICTION case.
15411 2006-01-19 Jan Hubicka <jh@suse.cz>
15412 H.J. Lu <hongjiu.lu@intel.com>
15413 Evandro Menezes <evandro.menezes@amd.com>
15415 * invoke.texi (generic): Document
15417 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15418 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15419 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15420 (x86_use_incdec, x86_pad_returns): New variables
15421 (TARGET_CPU_DEFAULT_generic): New constant
15422 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15423 (enum processor_type): Add generic32 and generic64.
15424 * i386.md (cpu attribute): Add generic32/generic64
15425 (movhi splitter): Behave sanely when both partial_reg_dependency and
15426 partial_reg_stall are set.
15427 (K8 splitters): Enable for generic as well.
15428 * predicates.md (incdec_operand): Use TARGET_INCDEC
15429 (aligned_operand): Avoid memory mismatch stalls.
15430 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15431 * ppro.md: Enable for generic32
15432 * i386.c (generic64_cost, generic32_cost): New.
15433 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15434 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15435 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15436 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15437 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15438 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15439 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15440 x86_accumulate_outgoing_args, x86_prologue_using_move,
15441 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15442 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15443 Enable for generic.
15444 (x86_use_incdec, x86_pad_returns): New.
15445 (override_options): Add generic32 and generic64, translate "generic"
15446 to generic32/generic64 and "i686" to "generic32", refuse
15447 "generic32"/"generic64" as arch target.
15448 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15449 (ix86_reorg): Honor PAD_RETURNS.
15451 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15453 * tree-pretty-print.c (dump_generic_node): Handle
15454 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15455 * cgraph.c (cgraph_expand_queue): Rename from
15456 cgraph_analyze_queue. Update all users.
15457 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15458 cgraph_expand_queue.
15459 (cgraph_expand_all_functions): Likewise.
15460 (cgraph_finalize_pending_functions): Remove. Update callers.
15462 * tree.h (OMP_DIRECTIVE_P): Define.
15463 (OMP_PARALLEL_FN): Define.
15464 (OMP_PARALLEL_DATA_ARG): Define.
15465 (OMP_SECTIONS_SECTIONS): Define.
15466 * tree-pass.h (pass_expand_omp): Declare.
15467 * omp-low.c (struct omp_region): Declare.
15468 (struct omp_context): Remove fields 'parallel_type',
15469 'parallel_start_ix' and 'parallel_start_additional_args'.
15471 (struct omp_for_data): Rename from struct expand_omp_for_data.
15472 (omp_regions): New static variable.
15473 (root_omp_region): New static variable.
15474 (find_omp_clause): Make static.
15475 (is_in_combined_parallel_ctx): Remove.
15476 (is_combined_parallel): New.
15477 (extract_omp_for_data): Move earlier in the file.
15478 (workshare_safe_to_combine_p): New.
15479 (get_ws_args_for): New.
15480 (determine_parallel_type): Move earlier in the file.
15481 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15483 (omp_copy_decl): Likewise.
15484 (create_omp_child_function): Likewise.
15485 (lookup_omp_region): New.
15486 (dump_omp_region): New.
15487 (debug_omp_region): New.
15488 (debug_all_omp_regions): New.
15489 (new_omp_region): New.
15490 (scan_omp_parallel): If parallel_nesting_level > 1, the
15491 directive is nested within another parallel directive.
15492 Set OMP_PARALLEL_FN.
15493 (scan_omp_for): Do not try to handle combined parallel+for
15495 Remove FIXME comment.
15496 (scan_omp_nested): Remove.
15497 (scan_omp_1): Do not call scan_omp_nested when
15498 parallel_nesting_level is > 1.
15499 Do not change the DECL_CONTEXT of local variables found.
15500 (lookup_decl_in_outer_ctx): New.
15501 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15502 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15503 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15504 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15505 If CTX is nested, lookup VAR in the outer context when
15506 building copy assignment.
15507 (lower_send_clauses): Rename from expand_send_clauses.
15508 If CTX is nested, lookup VAR in the outer context when
15509 building copy assignments.
15510 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15511 If CTX is nested, lookup VAR in the outer context when
15512 building copy assignments.
15513 (expand_parallel_call): Rename from build_parallel_call.
15514 Handle combined parallel+workshare cases.
15515 Re-implement to emit code into the CFG.
15517 (expand_omp_parallel): Re-implement to emit code into the CFG.
15518 Call move_sese_region_to_fn to outline the sub-graph
15519 containing the parallel region.
15520 (expand_omp_for_1): Remove.
15521 (expand_omp_for_generic): Re-implement to emit code into the
15523 (expand_omp_for_static_nochunk): Likewise.
15524 (expand_omp_for_static_chunk): Likewise.
15525 (expand_omp_for): Likewise.
15526 (expand_omp_sections): Likewise.
15527 (remove_exit_barriers): New.
15528 (expand_omp_synch): New.
15530 (build_omp_regions_1): New.
15531 (build_omp_regions): New.
15532 (execute_expand_omp): New.
15533 (gate_expand_omp): New.
15534 (pass_expand_omp): Define.
15535 (lower_omp_sections): Rename from expand_omp_sections.
15536 Set OMP_SECTIONS_SECTIONS.
15537 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15538 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15539 (lower_omp_single): Rename from expand_omp_simple.
15540 (lower_omp_master): Rename from expand_omp_master.
15541 (lower_omp_ordered): Rename from expand_omp_ordered.
15542 (lower_omp_critical): Rename from expand_omp_critical.
15543 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15544 (lower_omp_for): Re-implement.
15545 (lower_omp_parallel): Re-implement.
15546 (lower_regimplify): Rename from expand_regimplify.
15547 (lower_omp_1): Rename from expand_omp_1.
15548 If there are syntax errors in the program, replace every
15549 OpenMP directive with NOP.
15550 Call lower_omp_* instead of expand_omp_*.
15551 (lower_omp): Rename from expand_omp.
15553 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15554 * tree-gimple.h (enum omp_parallel_type): Remove.
15555 (gimple_boolify): Declare extern.
15556 (find_omp_clause, determine_parallel_type): Remove.
15558 * gimple-low.c (lower_omp_directive): New.
15559 (lower_stmt): Call it.
15560 (record_vars_into): Move from ...
15561 (record_vars): ... here.
15562 Call record_vars_into with current_function_decl.
15564 * gimplify.c (struct gimplify_ctx): Remove fields
15565 combined_pre_p and combined_ctxp. Update users.
15566 (get_formal_tmp_var): Add documentation.
15567 (gimple_boolify): Make extern.
15568 (gimplify_expr_in_ctx): Remove. Update callers.
15569 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15570 will always be a BIND_EXPR.
15571 (gimplify_expr): Handle OMP_RETURN_EXPR.
15572 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15573 (OMP_PARALLEL): Add 3 operands.
15574 (OMP_SECTIONS): Add 1 operand.
15575 (OMP_RETURN_EXPR): Define.
15577 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15578 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15579 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15580 creating a circular free list.
15581 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15583 * tree-flow.h (move_sese_region_to_fn): Declare.
15584 (record_vars_into): Declare.
15585 * tree-cfg.c (make_omp_sections_edges): New.
15586 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15587 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15588 OMP_SECTIONS and OMP_SECTION.
15589 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15590 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15591 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15592 (gather_blocks_in_sese_region): New.
15593 (struct move_stmt_d): Declare.
15594 (move_stmt_r): New.
15595 (move_block_to_fn): New.
15596 (move_sese_region_to_fn): New.
15598 * passes.c (init_optimization_passes): Schedule
15599 pass_expand_omp after pass_init_datastructures.
15601 * tree-ssa-operands.c (get_expr_operands): Handle
15602 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15603 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15605 2006-01-19 Jeff Law <law@redhat.com>
15607 * tree-vrp.c (extract_range_from_assert): Refine the result range
15608 if the variable referenced by the ASSERT_EXPR has a range and
15609 either the tentative result range or the previous range is a
15612 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15614 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15616 2006-01-19 Jan Hubicka <jh@suse.cz>
15618 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15620 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15622 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15623 (expand_compound_operation, expand_field_assignment): Fail if the
15624 bit lengths of an extract operation are out of range.
15625 (make_extraction): Compute wanted_inner_mode based on the position
15626 and length of the extraction. Make it extraction_mode for non-constant
15627 positions, and do not modify offset in that case. When generating a
15628 new MEM, use a mode that can hold the extraction while keeping correct
15629 alignment. Remove code that supported MEMs wrapped by USEs.
15630 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15632 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15634 * config/s390/s390.md ("Y", "y"): New mode attribute.
15635 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15636 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15637 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15638 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15639 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15640 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15641 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15642 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15643 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15644 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15645 "addsi3", "subsi3"): Insn patterns removed.
15646 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15647 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15648 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15649 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15650 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15651 "*sub<mode>3_cconly2"): New insn patterns.
15652 ("addsi3", "subsi3"): New expanders.
15654 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15656 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15657 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15658 existing STMT_VINFO_VECTYPE if available.
15659 (vect_mark_relevant): Add special handling for stmts that are
15660 marked as STMT_VINFO_IN_PATTERN_P.
15661 (vect_analyze_loop): Call vect_pattern_recog.
15662 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15663 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15665 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15666 (vect_recog_func_ptr): New function-pointer type.
15667 * tree-vect-patterns.c: New file.
15668 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15669 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15670 (vect_pattern_recog_1): New functions.
15671 (vect_pattern_recog_funcs): New array of function pointers.
15673 * tree-vectorizer.h (ternary_op): New enum value.
15674 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15675 declaration. Revised documentation. Removed redundant dump prints.
15676 Removed redundant argument. Added support for reduction patterns.
15677 (vectorizable_reduction): Added support for reduction patterns.
15678 (vect_transform_stmt): Added support for patterns.
15680 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15681 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15682 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15683 (expand_widen_pattern_expr): New function.
15684 (init_optabs): Initialize new optabs udot_prod_optab,
15686 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15687 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15688 (expand_widen_pattern_expr): New function declaration.
15689 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15691 * tree-inline.c (estimate_num_insns_1): Added cases for new
15692 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15693 * tree-pretty-print.c (dump_generic_node): Likewise.
15694 (op_prio): Likewise.
15695 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15696 * tree-ssa-operands.c (get_expr_operands): Added case for
15698 * tree-vect-patterns.c (widened_name_p): New function.
15699 (vect_recog_dot_prod_pattern): Added function implementation.
15700 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15701 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15702 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15703 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15705 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15706 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15707 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15708 (init_optabs): Initialize new optabs widen_ssum_optab,
15710 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15711 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15712 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15713 use instead of type of def.
15714 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15715 function implementation.
15716 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15717 widen_ssumv8hi): New.
15719 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15722 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15725 * c-decl.c (add_flexible_array_elts_to_size): New function.
15726 (finish_decl): Use it.
15728 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15730 * diagnostic.h: Include options.h.
15731 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15732 dependancies for diagnostic.h.
15733 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15735 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15737 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15738 (ssa_ro_call_cache_valid): Ditto.
15739 * tree-ssa-alias.c (sort_tags_by_id): New function.
15740 (init_transitive_clobber_worklist): Ditto.
15741 (add_to_worklist): Ditto.
15742 (mark_aliases_call_clobbered): Ditto.
15743 (compute_tag_properties): Ditto.
15744 (set_initial_properties): Ditto.
15745 (compute_call_clobbered): Ditto.
15746 (compute_may_aliases): Call compute_call_clobbered and grouping.
15747 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15748 (compute_flow_insensitive_aliasing): Grouping now happens in our
15750 (setup_pointers_and_addressables): Remove clobbering related code.
15751 (add_may_alias): Ditto.
15752 (replace_may_alias): Ditto.
15753 (get_nmt_for): Ditto.
15754 (create_global_var):
15755 (is_escape_site): Return an escape_type enumeration.
15756 * tree-flow-inline.h (is_call_clobbered): Global var does not
15757 imply call clobbered.
15758 (mark_call_clobbered): Take a reason for marking this. Remove
15759 marking of globalness, and cache invalidation.
15760 (clear_call_clobbered): Remove cache invalidation code.
15761 * tree-dfa.c (dump_variable): If details is on, dump the reason
15763 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15765 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15766 (struct var_ann_d): Ditto.
15767 (enum escape_type): New.
15768 (mark_call_clobbered): Adjust prototype.
15769 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15770 are never call clobbered.
15771 Record reasons for escaping.
15772 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15773 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15774 (ssa_ro_call_cache_valid): Ditto.
15775 (clobbered_v_may_defs): Ditto.
15776 (clobbered_vuses): Ditto.
15777 (ro_call_vuses): Ditto.
15778 (clobber_stats): New.
15779 (init_ssa_operands): Zero out clobber stats.
15780 (fini_ssa_operands): Print out clobber stats.
15781 (get_call_expr_operands): Pass callee fndecl to
15782 add_call_read_ops).
15783 (add_call_clobber_ops): Remove use of cache.
15784 Add use of PURE_CONST information.
15785 (add_call_read_ops): Remove use of cache.
15786 Add use of static not_read information.
15788 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15790 Introduce TLS descriptors for i386 and x86_64.
15791 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15792 (TARGET_ANY_GNU_TLS): New macro.
15793 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15794 (struct machine_function): Add tls_descriptor_call_expanded_p.
15795 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15796 (ix86_current_function_calls_tls_descriptor): Likewise.
15797 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15798 (override_options): Introduce gnu2 tls dialect.
15799 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15801 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15803 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15804 (ix86_init_machine_status): Initialize new field.
15805 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15806 (ix86_tls_module_base): New.
15807 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15808 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15809 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15810 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15811 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15812 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15813 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15814 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15815 * config/i386/predicates.md (tls_modbase_operand): New.
15816 (tp_or_register_operand): New.
15818 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15820 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15821 (look_for_address_of): Ditto.
15822 (ipa_init): Walk the function decls.
15823 (static_execute): Don't set readonly on FUNCTION_DECL's.
15825 2006-01-18 Roger Sayle <roger@eyesopen.com>
15827 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15828 for shifts where the source and destination registers are different.
15830 2006-01-18 Paul Brook <paul@codesourcery.com>
15832 Merge from csl-arm-branch.
15833 2005-03-14 Julian Brown <julian@codesourcery.com>
15834 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15835 (aeabi_llsl): Likewise.
15836 (ashrdi3): Likewise.
15837 (aeabi_lasr): Likewise.
15838 (lshrdi3): Likewise.
15839 (aeabi_llsr): Likewise.
15840 2005-03-10 Julian Brown <julian@codesourcery.com>
15841 * config.gcc: Disable shared libgcc for SymbianOS.
15842 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15844 2006-01-18 DJ Delorie <dj@redhat.com>
15846 * c-pragma.c (handle_pragma_diagnostic): New.
15847 (init_pragma): Register it.
15848 * doc/extend.texi: Document it.
15850 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15851 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15852 (diagnostic_context): Add classify_diagnostic[].
15853 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15854 as errors if they're overridden to DK_WARNING.
15855 (diagnostic_initialize): Initialize classify_diagnostic[].
15856 (diagnostic_set_kind_override): New.
15857 (diagnostic_report_diagnostic): Check for kind changes.
15858 * opts.c (common_handle_option): Take lang_mask. Update callers.
15859 Handle OPT_Werror_.
15860 * common.opt (Werror=): New.
15861 * doc/invoke.texi: Document -Werror=*
15863 2006-01-18 Jeff Law <law@redhat.com>
15865 * tree-vrp.c (test_for_singularity): Correct test for new
15866 min limit. Use operand_equal_p rather than pointer equality
15867 for testing if new min/max values are equal.
15869 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15870 using range information until after propagation and folding.
15872 2006-01-18 Richard Henderson <rth@redhat.com>
15873 Aldy Hernandez <aldyh@redhat.com>
15874 Jakub Jelinek <jakub@redhat.com>
15875 Diego Novillo <dnovillo@redhat.com>
15877 * omp-low.c: New file.
15878 * c-omp.c: New file.
15880 2006-01-18 Richard Henderson <rth@redhat.com>
15881 Jakub Jelinek <jakub@redhat.com>
15882 Diego Novillo <dnovillo@redhat.com>
15884 * doc/invoke.texi: Document -fopenmp.
15885 * tree-dump.h (debug_function): Declare.
15886 * hooks.c (hook_bool_tree_bool_false): New function.
15887 (hook_tree_tree_null): Remove.
15888 (hook_tree_tree_tree_null): New.
15889 * hooks.h: Update to match.
15890 * tree-pretty-print.c (debug_tree_chain): New.
15891 (print_generic_expr): Handle TDF_CHAIN.
15892 (dump_generic_node): Handle BLOCK.
15893 Do not abort with incomplete SWITCH_EXPRs.
15894 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15895 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15896 print space after directive name.
15897 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15898 Handle OMP_MASTER and OMP_ORDERED.
15899 Handle printing of OMP_BODY just in one place, goto
15900 dump_omp_body in the rest of OMP_* nodes that have
15902 Don't handle clause nodes here. Update omp statements to
15903 use dump_omp_clauses.
15904 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15905 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15906 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15907 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15908 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15909 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15910 Adjust output for GOMP_PARALLEL.
15911 (dump_omp_clauses): New.
15912 (print_declaration): Dump DECL_VALUE_EXPR.
15913 (op_symbol_1): Split out of op_symbol.
15914 (dumping_stmts): Remove. Update all users.
15915 * cgraph.c (cgraph_analyze_queue): New.
15916 (cgraph_add_new_function): New.
15917 * cgraph.h (cgraph_analyze_queue): Declare.
15918 (cgraph_add_new_function): Declare.
15919 (cgraph_lower_function): Remove.
15920 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15921 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15922 and TYPE_P nodes in its default clause.
15923 (empty_body_p): New.
15924 (tree_range_check_failed): New.
15925 (build5_stat): New.
15926 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15927 OMP_CLAUSE_REDUCTION_MERGE,
15928 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15929 OMP_CLAUSE_PRIVATE_DEBUG,
15930 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15931 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15932 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15933 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15934 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15935 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15936 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15937 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15938 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15939 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15940 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15941 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15942 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15943 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15944 (TREE_RANGE_CHECK): New.
15945 (empty_body_p): Declare.
15946 (enum omp_clause_default_kind): New.
15947 (build_string_literal): Declare.
15948 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15949 (build5_stat, build5): Declare.
15950 * tree-pass.h (TDF_CHAIN): Define.
15951 * tree-pass.h (PROP_gimple_lomp): Define.
15952 (pass_lower_omp): Declare.
15953 * diagnostic.h (debug_tree_chain): Declare.
15954 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15956 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15957 * builtins.c (build_string_literal): Make extern.
15958 * gcc.c (include_spec_function): New.
15959 (static_spec_functions): Add it.
15960 (main): Move load of libgomp.spec ...
15961 (LINK_COMMAND_SPEC): ... here.
15962 (link_gomp_spec): New.
15963 (static_specs): Include it.
15964 (LINK_COMMAND_SPEC): Add link_gomp.
15965 (GOMP_SELF_SPECS): New.
15966 (driver_self_specs): Include it.
15967 (switch_matches): Don't mark inline.
15968 (main): Load libgomp.spec.
15969 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15970 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15971 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15972 * tree-gimple.h (enum omp_parallel): Declare.
15973 (determine_parallel_type): Declare.
15974 (omp_firstprivatize_variable): Declare.
15975 (omp_reduction_init): Declare.
15976 (diagnose_omp_structured_block_errors): Declare.
15977 (struct walk_stmt_info): Add want_return_expr.
15978 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15979 (find_omp_clause): Declare.
15980 (insert_field_into_struct): Declare.
15981 (struct walk_stmt_info): Move from tree-nested.c
15982 (walk_stmts): Declare.
15983 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15985 * cgraphunit.c (cgraph_lower_function): Make static.
15986 (cgraph_finalize_pending_functions): New.
15987 (cgraph_finalize_function): Call it.
15988 (cgraph_finalize_compilation_unit): Likewise.
15989 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15990 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15991 (BT_FN_UINT_UINT): New.
15992 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15993 DEF_FUNCTION_TYPE_VAR_4): Document.
15994 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15995 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15996 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15997 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15998 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15999 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16000 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16001 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16002 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16003 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16004 into separate files.
16005 (DEF_GOMP_BUILTIN): New.
16006 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16007 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16008 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16009 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16010 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16011 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16012 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16013 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16014 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16015 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16016 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16017 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16018 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16019 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16020 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16021 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16022 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16023 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16024 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16025 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16026 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16027 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16028 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16029 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16030 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16031 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16032 * sync-builtins.def: New file, moved from builtins.def.
16033 * omp-builtins.def: New file, moved from builtins.def.
16034 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16035 * gimple-low.c (lower_function_body): Clear data.
16036 (lower_stmt): Do not handle COMPOUND_EXPR.
16037 Remove call to print_node_brief.
16038 * c-tree.h (c_finish_omp_clauses): New prototype.
16039 (C_DECL_THREADPRIVATE_P): Define.
16040 (lookup_name_no_remap, c_omp_remap_private): Remove
16041 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16042 (check_for_loop_decls): Update decl.
16043 (lookup_name_no_remap, c_omp_remap_private): Declare.
16044 (build_indirect_ref, build_modify_expr, pushdecl,
16045 pushdecl_top_level): Move to c-common.h.
16046 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16047 before the switch, but just in the 2 places that need it.
16048 * c-decl.c (diagnose_mismatched_decls): Do not check for
16049 mismatched thread-local attributes when OLDDECL is marked
16050 threadprivate and NEWDECL has no thread-local attributes.
16051 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16052 (c_gimple_diagnostics_recursively): Rename from
16053 c_warn_unused_result_recursively. Invoke
16054 diagnose_omp_structured_block_errors.
16055 (check_for_loop_decls): Return a singular decl found.
16056 * langhooks.c (lhd_omp_predetermined_sharing): Return
16057 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16058 (lhd_omp_firstprivatize_type_sizes): New.
16059 (lhd_omp_assignment): New.
16060 (lhd_omp_predetermined_sharing): New.
16061 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16062 (struct lang_hooks_for_types): Add
16063 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16064 omp_predetermined_sharing, omp_disregard_value_expr,
16065 omp_private_debug_clause, omp_clause_default_ctor,
16066 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16067 (c_finish_omp_clauses): New.
16068 (c_finish_bc_stmt): Diagnose break within omp for.
16069 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16070 (build_unary_op): Return error_mark after reporting
16072 (build_modify_expr): Likewise.
16073 * gimplify.c: Include optabs.h and pointer-set.h.
16074 (enum gimplify_omp_var_data): Declare.
16075 (struct gimplify_omp_ctx): Declare.
16076 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16078 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16079 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16080 (splay_tree_compare_decl_uid): New.
16081 (new_omp_context): New.
16082 (delete_omp_context): New.
16083 (gimple_add_tmp_var): Call omp_add_variable.
16084 (gimplify_bind_expr): Likewise.
16085 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16086 true, disregard DECL_VALUE_EXPR on the decl if any.
16087 (gimplify_expr_in_ctx): New.
16088 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16089 omp_add_variable, omp_notice_variable, omp_is_private
16090 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16091 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16092 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16093 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16094 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16095 gimplify_omp_atomic): New.
16096 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16097 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16098 OMP_CRITICAL and OMP_ATOMIC.
16099 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16100 * c-pragma.h (enum pragma_kind): Add
16101 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16102 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16103 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16104 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16105 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16106 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16107 PRAGMA_OMP_THREADPRIVATE.
16108 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16109 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16110 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16111 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16112 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16113 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16114 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16115 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16116 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16117 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16118 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16119 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16120 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16122 (struct nesting_info): Add field_map,
16123 suppress_expansion, debug_var_chain.
16124 (create_nesting_tree): Initialize them.
16125 (lookup_field_for_decl): Use field_map.
16126 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16127 (convert_local_omp_clauses): New.
16128 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16129 (walk_body): Split out of walk_function.
16130 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16131 (convert_nonlocal_reference): Handle omp statements.
16132 (convert_local_reference): Likewise.
16133 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16134 (unnest_nesting_tree): New.
16135 (lower_nested_functions): Call it.
16136 (insert_field_into_struct): Make extern.
16137 (struct walk_stmt_info): Move to tree-gimple.h.
16138 (walk_stmts): Make extern.
16139 * omp-builtins.def: New file.
16140 * tree-iterator.c (expr_only): Clarify comment.
16141 * c-common.h (pushdecl_top_level, pushdecl,
16142 build_modify_expr, build_indirect_ref,
16143 c_finish_omp_master, c_finish_omp_critical,
16144 c_finish_omp_ordered, c_finish_omp_barrier,
16145 c_finish_omp_atomic, c_finish_omp_flush,
16146 c_finish_omp_for, c_split_parallel_clauses,
16147 omp_clause_default_kind, c_omp_sharing_predetermined,
16148 c_omp_remap_decl): Declare.
16149 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16150 (OBJS-common): Add omp-low.o.
16151 (c-omp.o, omp-low.o): Add.
16152 (gimplify.o): Add dependency on $(OPTABS_H).
16153 (GTFILES): Add omp-low.c.
16154 (gt-stringpool.h): Add.
16155 * tree-cfg.c (set_bb_for_stmt): Do not update the
16156 block-to-labels map if we are currently expanding to RTL.
16157 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16159 Handle IDENTIFIER_NODE.
16160 (tree_verify_flow_info): Do not ICE when emitting error
16161 messages about invalid labels.
16162 (dump_function_to_file): Reset CFUN before emitting the body
16164 (debug_function): New.
16165 * passes.c (init_optimization_passes): Schedule
16167 * langhooks-def.h (lhd_omp_predetermined_sharing,
16168 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16170 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16171 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16172 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16173 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16174 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16175 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16176 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16177 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16178 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16179 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16180 (LANG_HOOK_DECLS): Use them.
16182 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16183 Richard Henderson <rth@redhat.com>
16184 Jakub Jelinek <jakub@redhat.com>
16185 Diego Novillo <dnovillo@redhat.com>
16187 * c-parser.c (pragma_omp_clause): Define.
16188 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16189 (c_parser_compound_statement): Likewise.
16190 (c_parser_statement): Likewise.
16191 (c_parser_pragma): Handle omp pragmas.
16192 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16193 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16194 (c_parser_omp_clause_name, check_no_duplicate_clause,
16195 c_parser_omp_variable_list,
16196 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16197 c_parser_omp_clause_copyprivate,
16198 c_parser_omp_clause_default,
16199 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16200 c_parser_omp_clause_lastprivate,
16201 c_parser_omp_clause_nowait,
16202 c_parser_omp_clause_num_threads,
16203 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16204 c_parser_omp_clause_reduction,
16205 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16206 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16207 c_parser_omp_atomic, c_parser_omp_barrier,
16208 c_parser_omp_critical, c_parser_omp_flush,
16209 c_parser_omp_for_loop, c_parser_omp_for,
16210 c_parser_omp_master, c_parser_omp_ordered,
16211 c_parser_omp_sections_scope, c_parser_omp_sections,
16212 c_parser_omp_parallel, c_parser_omp_single,
16213 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16214 * c-pragma.c (init_pragma): Do omp pragma registration here.
16215 * c.opt (fopenmp): New flag.
16217 2006-01-18 Eric Christopher <echristo@apple.com>
16219 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16220 * config/darwin.h (GOMP_SELF_SPECS): Define.
16222 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16224 * rtl.h: Remove the prototype for reg_alloc.
16226 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16229 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16230 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16231 sjlj and dwarf2 exception handling.
16232 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16233 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16234 * pa/pa.c (function_value): Treat complex and vector types as
16236 (function_arg): Likewise. Only pass scalar floats in the floating
16237 point argument registers.
16238 * pa/t-slibgcc-dwarf-ver: New file.
16239 * pa/t-slibgcc-sjlj-ver: New file.
16240 * pa/t-slibgcc-elf-ver: Delete file.
16242 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16244 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16245 unlikely_test_section_p test.
16247 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16249 * mode-switching.c (optimize_mode_switching): Make it static.
16250 * basic-block.h: Remove the prototype for
16251 optimize_mode_switching.
16253 * modulo-sched.c (sms_schedule): Make it static.
16254 * rtl.h: Remove the prototype for sms_schedule.
16256 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16257 * rtl.h: Remove the prototype for gcse_after_reload_main.
16259 * reg-stack.c (reg_to_stack): Make it static.
16260 * rtl.h: Remove the prototype for reg_to_stack.
16262 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16264 * rtl.h: Remove the prototypes for regrename_optimize and
16265 copyprop_hardreg_forward.
16267 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16269 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16270 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16271 Test against the appropriate null constant for the mode.
16272 If 'fixup_overlap' is true, swap the operands if they overlap.
16273 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16274 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16275 alpha_split_tmode_pair and adjust for above change.
16276 * config/alpha/alpha.md (movtf_internal): Adjust call to
16277 alpha_split_tfmode_pair and rely on it to swap the operands.
16278 (movti_internal): New insn and post-reload splitter.
16279 (movti): New expander.
16281 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16283 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16286 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16288 * rtlanal.c (global_reg_mentioned_p_1,
16289 global_reg_mentioned_p): Remove.
16290 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16292 * flow.c (initialize_uninitialized_subregs): Make it static.
16293 * rtl.h: Remove the prototype for
16294 initialize_uninitialized_subregs.
16296 * function.c (instantiate_virtual_regs): Make it static.
16297 * function.h: Remove the prototype for
16298 instantiate_virtual_regs.
16300 * regmove.c (regmove_optimize, combine_stack_adjustments):
16302 * rtl.h: Remove the prototypes for regmove_optimize and
16303 combine_stack_adjustments.
16305 2006-01-17 Roger Sayle <roger@eyesopen.com>
16307 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16308 (size_cost): Encode costs in bytes so that a reg-reg addition is
16309 equivalent to COSTS_N_INSNS(1).
16310 (override_options): Use the size_cost.branch_cost as the default
16311 ix86_branch_cost when optimizing for size.
16313 2006-01-18 Ben Elliston <bje@au.ibm.com>
16315 * Makefile.in (D32PBIT_FUNCS): New.
16316 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16317 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16318 D64PBIT_FUNCS and D128PBIT_FUNCS.
16319 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16320 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16322 (decnumber_dep): Define.
16323 * doc/libgcc.texi (Decimal float library routines): New node.
16324 * config/dfp-bit.h, config/dfp-bit.c: New files.
16326 2006-01-18 Ben Elliston <bje@au.ibm.com>
16328 * expr.c (emit_move_change_mode): Always adjust addresses, not
16329 just during reload. Copy replacements only during reload.
16330 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16331 emit_move_via_integer.
16333 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16335 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16336 instead of $(srcdir) and ${srcdir}.
16338 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16341 PR middle-end/11135
16342 * arm.h (struct machine_function): Add pic_reg.
16343 * arm.c (arm_pic_register): Make unsigned.
16344 (arm_override_options): Only set arm_pic_register if
16345 TARGET_SINGLE_PIC_BASE.
16346 (use_return_insn): Only test for a pic register if it is fixed.
16347 (arm_compute_save_reg0_reg12_mask): Likewise.
16348 (thumb_compute_save_reg_mask): Likewise.
16349 (legitimate_pic_operand): Factor out some known invariants.
16350 (legitimize_pic_address): If we don't have a fixed pic register,
16351 then set up a pseudo in the function entry sequence. Handle the
16352 pic base being in a pseudo.
16353 (arm_load_pic_register): Handle the pic register being in a pseudo.
16354 (arm_expand_prologue): Only set up the pic register if it is fixed.
16355 (thumb_expand_prologue): Likewise.
16356 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16357 (pic_load_addr_based_insn): Likewise.
16358 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16361 2006-01-18 Ben Elliston <bje@au.ibm.com>
16363 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16364 decimal float modes for all floating point registers.
16366 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16367 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16369 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16372 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16373 even when the pointer is not NULL.
16375 2006-01-16 Ian Lance Taylor <ian@airs.com>
16377 * common.opt (ftoplevel-reorder): New option.
16378 * cgraph.c (cgraph_asm_nodes): New global variable.
16379 (cgraph_asm_last_node): New static variable.
16380 (cgraph_order): New global variable.
16381 (cgraph_create_node): Set new order field.
16382 (cgraph_varpool_node): Likewise.
16383 (decide_is_variable_needed): Return true if not
16384 flag_toplevel_reorder.
16385 (cgraph_add_asm_node): New function.
16386 * cgraph.h (struct cgraph_node): Add order field.
16387 (struct cgraph_varpool_node): Add order field.
16388 (struct cgraph_asm_node): Define.
16389 (cgraph_asm_nodes, cgraph_order): Declare.
16390 (cgraph_add_asm_node): Declare.
16391 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16393 (cgraph_varpool_assemble_pending_decls): Call it.
16394 (cgraph_output_pending_asms): New static function.
16395 (cgraph_finalize_compilation_unit): Call it.
16396 (struct cgraph_order_sort): Define.
16397 (cgraph_output_in_order): New static function.
16398 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16399 !flag_toplevel_reorder case.
16400 * c-parser.c: Include "cgraph.h".
16401 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16403 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16404 than -fno-unit-at-a-time.
16405 * doc/invoke.texi (Option Summary): Mention
16406 -fno-toplevel-reorder.
16407 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16408 -funit-at-a-time documentation.
16410 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16411 Kazu Hirata <kazu@codesourcery.com>
16413 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16415 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16417 * Makefile.in (FUNCTION_H): New. Use it instead of
16418 function.h throughout the file.
16419 * function.h: Include tree.h.
16421 2006-01-17 Ben Elliston <bje@au.ibm.com>
16423 * recog.c: Separate some functions with whitespace.
16425 2006-01-16 Richard Henderson <rth@redhat.com>
16427 Merge from gomp branch:
16428 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16429 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16430 and rename from struct inline_data. Rename callee* to dst*;
16431 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16432 transform_new_cfg, transform_return_to_modify, and
16433 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16435 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16436 (copy_decl_for_dup): Remove.
16437 * tree-inline.c (struct inline_data): Move to header.
16438 (insert_decl_map): Export.
16439 (remap_decl): Update for member name changes. Use copy_decl hook.
16440 Allow for replacement to be a non-decl. Remove dead code.
16441 (remap_type_1): Check for existing mapping.
16442 (remap_type): Export.
16443 (remap_decls): Update for member name changes.
16444 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16445 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16446 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16447 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16448 (tree_function_versioning, build_duplicate_type): Likewise.
16449 (copy_body_r): Likewise. Export.
16450 (copy_decl_for_dup): Split into ...
16451 (copy_decl_for_dup_finish, copy_decl_to_var,
16452 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16453 (replace_ref_tree, inlining_p): Remove.
16455 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16457 * ifcvt.c (if_convert): Make it static.
16458 * rtl.h: Remove the prototype for if_convert.
16460 * local-alloc.c (local_alloc): Make it static.
16461 * rtl.h: Remove the prototype for local_alloc.
16463 * loop.c (loop_optimize): Make it static.
16464 * cfgloop.h: Remove the prototype for loop_optimize.
16467 2006-01-16 DJ Delorie <dj@redhat.com>
16469 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16472 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16474 * pa.md: Disparage copies between general and floating-point registers
16475 in 32-bit move patterns.
16477 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16480 * Makefile.in (check-%): Depend on site.exp instead of
16481 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16484 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16486 * global.c (global_alloc): Make it static.
16487 * rtl.h: Remove the prototype for global_alloc.
16489 2006-01-16 Richard Guenther <rguenther@suse.de>
16491 * tree-ssa-alias.c (struct used_part): Add write_only field.
16492 (get_or_create_used_part_for): Initialize it to true.
16493 (create_overlap_variables_for): Don't create structure variables
16494 for structures that only are written to.
16495 (find_used_portions): Handle MODIFY_EXPR to track whether a
16496 structure is only written to.
16498 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16500 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16502 * basic-block.h: Remove the prototype for
16503 partition_hot_cold_basic_blocks.
16505 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16507 * cppspec.c (lang_specific_spec_functions): Remove.
16508 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16509 * gcc.h (lang_specific_spec_functions): Remove.
16510 * gccspec.c (lang_specific_spec_functions): Remove.
16512 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16514 * combine.c (record_value_for_reg): Invalidate registers
16516 (record_dead_and_set_regs_1): Likewise, by passing them to
16517 record_value_for_reg.
16518 (record_dead_and_set_regs): Invalidate stores made by a
16519 call. We do not combine across a call, but we still
16520 relied on equivalences.
16522 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16524 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16525 vrp_int_const_binop returning non-constant nodes.
16527 2006-01-16 Paul Brook <paul@codesourcery.com>
16529 * config/m68k/m68k.c (output_move_const_into_data_reg):
16530 Output correct mnemonic for mvz and mvs.
16532 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16534 * rtl-factoring.c: Add sequence abstraction algorithm.
16535 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16536 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16538 (block_has_preserve_label): New function.
16539 * common.opt: Register new pass.
16540 * Makefile.in: Ditto.
16542 * timevar.def: Ditto.
16543 * tree-pass.h: Ditto.
16544 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16545 * rtl.h (make_jump_insn_raw): Add forward decl.
16546 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16548 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16549 Roger Sayle <roger@eyesopen.com>
16551 * fold-const.c (fold_minmax): New static function.
16552 (fold_binary) <MIN_EXPR>: Call it.
16553 <MAX_EXPR>: Likewise.
16554 * stor-layout.c (place_field): Use DECL_SIZE consistently
16555 in the computation of the new record size.
16557 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16559 * cse.c (cse_condition_code_reg): Make it static.
16560 * rtl.h: Remove the prototype for cse_condition_code_reg.
16562 * combine.c (combine_instructions): Make it static.
16563 * rtl.h: Remove the prototype for combine_instructions.
16565 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16568 * tree.c (get_file_function_name_long): Concatenate the first global
16569 object name with a string derived from the input filename of the object
16572 2006-01-16 Ben Elliston <bje@au.ibm.com>
16574 * config/i386/winnt-stubs.c: Update FSF address.
16575 * config/xtensa/ieee754-df.S: Ditto.
16576 * config/xtensa/ieee754-sf.S: Ditto.
16578 2006-01-14 Ian Lance Taylor <ian@airs.com>
16580 * ifcvt.c (noce_init_if_info): New static function, broken out of
16581 noce_process_if_block.
16582 (noce_process_if_block): Call noce_init_if_info.
16583 (check_cond_move_block): New static function.
16584 (cond_move_process_if_block): New static function.
16585 (process_if_block): Call cond_move_process_if_block.
16587 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16589 * cselib.c (hash_table): Rename to cselib_hash_table.
16590 (cselib_clear_table, discard_useless_values,
16591 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16592 cselib_init, cselib_finish): Adjust uses of hash_table.
16594 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16596 PR tree-optimization/25485
16597 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16598 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16599 is known to be false and true, respectively.
16601 2006-01-14 Richard Guenther <rguenther@suse.de>
16603 PR tree-optimization/22548
16604 PR tree-optimization/22555
16605 PR tree-optimization/22501
16606 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16607 * params.def (salias-max-array-elements): New parameter.
16608 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16609 * doc/invoke.texi (salias-max-array-elements): Document.
16610 * tree-flow-inline.h (var_can_have_subvars): We also handle
16612 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16614 * tree-ssa-structalias.c (params.h): Include.
16615 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16616 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16617 (get_constraint_for): For ADDR_EXPR operating on something
16618 containing an ARRAY_REF, add all subvars to the solution.
16619 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16620 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16621 for creating MUST_DEFs.
16622 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16624 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16626 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16628 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16629 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16630 number_of_iterations_le): New functions.
16631 (number_of_iterations_special): Removed.
16632 (number_of_iterations_exit): Do not use number_of_iterations_special.
16633 * tree.c (unsigned_type_for): Always return integer type.
16635 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16636 Richard Guenther <rguenther@suse.de>
16638 PR rtl-optimization/24257
16639 * gcse.c (find_moveable_store): Only consider a store movable
16640 when the SET_SRC of the insn can be assigned to a register.
16642 2006-01-14 Ian Lance Taylor <ian@airs.com>
16644 * tree.c (tree_not_class_check_failed): New function.
16645 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16646 (tree_not_class_check_failed): Declare.
16648 2006-01-13 Ian Lance Taylor <ian@airs.com>
16650 * reload1.c (do_output_reload): Add assertion rejecting a
16653 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16655 * combine.c (struct reg_stat): Add new fields truncation_label and
16657 (record_value_for_reg): Reset truncated_to_mode.
16658 (record_truncated_value): New function.
16659 (check_promoted_subreg): Call it. Rename to check_conversions.
16660 (combine_instructions): Rename check_promoted_subreg to
16662 (reg_truncated_to_mode): New function.
16663 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16664 (gen_lowpart_or_truncate): New function.
16665 (force_to_mode): Use it instead of gen_lowpart.
16667 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16669 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16670 VAR is a tag, not its type tag.
16672 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16674 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16675 alternatives to match style of other entries.
16676 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16678 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16680 PR tree-optimization/25771
16681 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16684 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16687 * tree-inline.c (declare_return_variable): If the return variable
16688 was marked as a non gimple complex, set the return slot variable
16689 to be a non gimple comple variable.
16691 2006-01-13 Richard Guenther <rguenther@suse.de>
16693 * builtins.c (expand_builtin_sincos): New function.
16694 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16696 (expand_builtin): Expand sincos using expand_builtin_sincos.
16698 2006-01-12 DJ Delorie <dj@redhat.com>
16700 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16701 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16702 so that constant shifts can be split.
16703 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16704 (m32c_valid_pointer_mode): Make static.
16705 (shift_gen_func_for): New.
16706 (m32c_prepare_shift): Use it. Split large const shifts into
16708 * config/m32c/predicates.md (shiftcount_operand): Allow more
16710 (longshiftcount_operand): New.
16711 * doc/md.texi (Machine Constraints): Document In6.
16713 2006-01-13 Ben Elliston <bje@au.ibm.com>
16715 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16716 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16719 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16721 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16722 to try to avoid clobbering pieces of structures when we know
16723 something about the whole structure.
16724 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16726 2006-01-13 Ben Elliston <bje@au.ibm.com>
16728 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16729 return in memory, as this is no limitation is no longer present.
16731 2006-01-12 DJ Delorie <dj@redhat.com>
16733 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16734 mova with fb, and for fb+0 -> An.
16736 * config/m32c/mov.md (peephole2): Fix enabling logic.
16738 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16739 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16740 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16741 FINI_ARRAY_SECTION_ASM_OP): Define.
16743 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16745 (m32c_legitimize_reload_address): New logic to reload FB to An.
16746 (m32c_output_reg_push): Add newline.
16747 (m32c_output_reg_pop): Likewise.
16749 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16751 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16753 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16755 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16757 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16759 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16762 2006-01-11 Ben Elliston <bje@au.ibm.com>
16764 * rtlanal.c (find_reg_note): Assert insn is not null.
16766 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16768 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16771 2006-01-11 Jeff Law <law@redhat.com>
16773 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16775 (mark_threaded_blocks, register_jump_thread): New functions.
16776 (thread_through_all_blocks): Remove unwanted argument. No
16777 longer rely on e->aux to communicate thread target info.
16778 Call mark_threaded_blocks. Release the threaded_blocks
16779 bitmap and threaded_edges vector when complete.
16780 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16781 (threaded_blocks): Remove.
16782 (tree_ssa_dominator_optimize): Remove initialization and
16783 finalization of threaded_blocks. Simplify call to
16784 thread_through_all_blocks.
16785 (thread_across_edge): Call register_jump_thread rather than
16786 storing thread information into e->aux.
16787 (free_all_edge_infos): Simplify now that e->aux is no longer
16788 used to communicate with thread_through_all_blocks.
16789 * tree-flow.h (thread_through_all_blocks): Update prototype.
16790 (register_jump_thread): Prototype.
16792 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16794 * df-core.c (df_compact_blocks, df_bb_replace): Use
16795 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16797 2006-01-11 Richard Guenther <rguenther@suse.de>
16799 PR tree-optimization/25734
16800 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16801 stop propagation after successful propagation to the LHS.
16803 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16805 * basic-block.h (control_flow_graph): Change the type of
16806 x_basic_block_info to VEC(basic_block,gc) *.
16807 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16809 (SET_BASIC_BLOCK): New.
16810 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16811 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16812 * cfgbuild.c (find_basic_blocks): Likewise.
16813 * cfglayout.c (fixup_reorder_chain): Likewise.
16814 * cfgrtl.c (create_basic_block_structure,
16815 rtl_create_basic_block): Likewise.
16816 * ifcvt.c (find_if_case_1): Likewise.
16817 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16820 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16822 * Makefile.in: Removed rotted odf.c entry.
16824 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16827 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16828 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16829 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16830 output pattern modifier, not %e.
16831 * config/cris/cris.c (cris_op_str): Update comment about pattern
16833 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16834 before falling through into...
16835 <case 'E'>: Redefined from old 'e' case.
16837 2006-01-11 Jan Hubicka <jh@suse.cz>
16840 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16842 2006-01-11 Jan Hubicka <jh@suse.cz>
16844 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16845 * i386.c (x86_decompose_lea): Kill.
16846 (ix86_rtx_costs): Kill.
16848 2006-01-11 Jan Hubicka <jh@suse.cz>
16850 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16851 * cgraph.h (cgraph_node): Add inline_decl.
16852 (cgraph_insert_node_to_hashtable): Declare.
16853 (save_inline_function_body): Declare.
16854 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16856 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16857 (cgraph_function_versioning): Update call of tree_function_versioning.
16858 (save_inline_function_body): New function.
16859 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16860 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16861 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16862 (cgraph_default_inline_p): Likewise.
16863 (cgraph_decide_inlining_incrementally): Likewise.
16864 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16865 (copy_bb): Kill saving; do updating of clones.
16866 (copy_cfg_body): Kill saving.
16867 (initialize_inlined-parameters): Likewise.
16868 (expand_call_inline): Likewise.
16870 (tree_function_versioning): New parameter "update_clones".
16871 (inlining_p): Kill saving.
16872 * tree-inline.h (tree_function_versioning): Update prototype.
16873 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16876 2006-01-11 Ian Lance Taylor <ian@airs.com>
16878 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16879 Allow undoing set of machine mode.
16880 (do_SUBST): Use enums instead of is_int.
16881 (do_SUBST_MODE): New function.
16882 (SUBST_MODE): New macro.
16883 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16884 reg and trying to replace reg_regno_rtx with a new register.
16885 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16886 (simplify_set): Use SUBST_MODE.
16887 (distribute_notes): Remove code that tried to update reg notes
16888 for regno_reg_rtx changes.
16890 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16892 PR tree-optimization/23109
16893 PR tree-optimization/23948
16894 PR tree-optimization/24123
16896 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16897 * tree-cfg.c (single_noncomplex_succ): New.
16898 * tree-flow.h (single_noncomplex_succ): Declare it.
16899 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16900 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16901 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16902 insert_bb, register_division_in, insert_reciprocals,
16903 replace_reciprocal, free_bb): New.
16904 (execute_cse_reciprocals_1): Rewritten.
16905 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16906 Do not commit any edge insertion. Always compute dominators and
16907 create the allocation pool.
16908 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16909 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16910 * targhooks.c (default_min_divistions_for_recip_mul): New.
16911 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16912 * passes.c (init_optimization_passes): Run recip after tree loop
16914 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16916 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16917 Kenneth Zadeck <zadeck@naturalbridge.com>
16919 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16920 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16921 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16922 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16923 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16924 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16925 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16926 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16927 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16928 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16929 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16930 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16931 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16932 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16933 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16934 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16935 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16936 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16937 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16938 DF_SCAN_POST_ALLOC): New macros.
16939 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16940 df_free_bb_function, df_local_compute_function, df_init_function,
16941 df_dataflow_function, df_confluence_function_0,
16942 df_confluence_function_n, df_transfer_function,
16943 df_finalizer_function, df_free_function, df_dump_problem_function,
16944 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16945 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16946 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16947 df_urec_bb_info, ) New types.
16948 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16950 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16951 df_analyze_simple_change_some_blocks,
16952 df_analyze_simple_change_one_block, df_compact_blocks,
16953 df_bb_replace, df_bb_regno_last_use_find,
16954 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16955 df_insn_regno_def_p, df_find_def, df_find_use,
16956 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16957 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16958 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16959 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16960 debug_df_chain, df_get_dependent_problem, df_chain_create,
16961 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16962 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16963 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16964 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16965 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16966 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16967 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16968 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16969 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16970 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16971 df_reorganize_refs, df_set_state, df_hard_reg_init,
16972 df_read_modify_subreg_p) New public functions.
16973 * df-core.c: The core dataflow solver and glue routines for rtl
16975 (df_init, df_add_problem, df_set_blocks, df_finish,
16976 df_hybrid_search_forward, df_hybrid_search_backward,
16977 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16978 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16979 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16980 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16981 df_reg_defined, df_find_use, df_reg_used, df_dump,
16982 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16983 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16984 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16985 debug_df_useno, reset_df_after_reload): New functions.
16986 * df-scan.c: The scanning fuctions, once in df.c, completely
16987 rewritten so that they now fully model the functionality of
16988 register usage at the backend.
16989 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16990 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16991 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16992 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16993 df_get_artificial_defs, df_get_artificial_uses,
16994 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16995 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16996 df_refs_delete, df_reorganize_refs, df_set_state,
16997 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16998 df_def_record_1, df_defs_record, df_uses_record,
16999 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17000 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17001 df_record_exit_block_uses, df_hard_reg_init): New functions.
17003 * df-problems.c: Seven concrete dataflow problems that use the
17004 scanning in df-scan.c and are solved by the engine in df-core.c.
17005 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17006 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17007 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17008 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17009 df_ru_free_bb_info, df_ru_alloc,
17010 df_ru_bb_local_compute_process_def,
17011 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17012 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17013 df_ru_transfer_function, df_ru_free, df_ru_dump,
17014 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17015 df_rd_free_bb_info, df_rd_alloc,
17016 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17017 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17018 df_rd_transfer_function, df_rd_free, df_rd_dump,
17019 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17020 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17021 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17022 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17023 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17024 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17025 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17026 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17027 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17028 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17029 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17030 df_urec_mark_reg_use_for_earlyclobber,
17031 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17032 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17033 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17034 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17035 df_chain_create_bb_process_use, df_chain_create_bb,
17036 df_chain_finalize, df_chain_free, df_chains_dump,
17037 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17038 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17039 df_reg_lifetime): New functions.
17040 * df.c: Deleted file.
17041 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17042 consistent with new df api.
17043 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17044 rest_of_handle_sms): Ditto.
17045 * web.c (unionfind_union, union_defs, entry_register, web_main):
17047 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17048 invariant_expr_equal_p, find_defs, check_dependencies,
17049 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17050 free_inv_motion_data, move_loop_invariants): Ditto.
17051 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17052 Update dependencies.
17053 (odf.c): Added defective entry that was deleted later in day.
17054 * sched-deps.c (sched_analyze_1): Ditto.
17056 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17058 * tree-ssa-operands.c (get_expr_operands): Record addressable
17059 variables directly. Do not call add_stmt_operands for CONST_DECLs
17061 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17062 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17064 2006-01-11 Ben Elliston <bje@au.ibm.com>
17066 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17067 function returns true in the positive case.
17069 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17072 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17073 for SI, DI, SF and DF modes. Add alternatives to copy between
17074 general and floating point registers to the 32-bit patterns.
17075 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17076 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17077 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17078 generating 64-bit code.
17079 * config/pa/pa.c (output_move_double): Handle copies between general
17080 and floating registers.
17082 2006-01-10 Stuart Hastings <stuart@apple.com>
17084 * config/i386/i386.md (set_got): Update.
17085 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17086 (builtin_setjmp_receiver): Mach-O support.
17087 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17088 (GOT_SYMBOL_NAME): Define.
17089 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17090 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17091 * config/i386/i386.c (override_options): Revise for Darwin.
17092 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17093 support. (darwin_x86_file_end): New. (output_set_got): Add label
17094 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17095 * config/i386/i386-protos.h (output_set_got): Likewise.
17096 * config/darwin.c (machopic_legitimize_pic_address): Update
17099 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17101 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17102 when MODE isn't BLKmode.
17104 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17106 PR rtl-optimization/25367
17107 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17109 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17112 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17113 for a negative bound.
17115 2006-01-10 Richard Guenther <rguenther@suse.de>
17117 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17118 Never override with anything constraint.
17120 2006-01-10 Jan Beulich <jbeulich@novell.com>
17122 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17123 256 bits when optimize_size.
17125 2006-01-10 Jan Beulich <jbeulich@novell.com>
17127 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17129 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17130 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17133 2006-01-10 Ben Elliston <bje@au.ibm.com>
17135 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17137 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17138 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17139 (USE_FP_FOR_ARG): Reject decimal float modes.
17140 (function_arg_advance): Likewise.
17141 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17142 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17143 point types in AltiVec vectors.
17144 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17145 (rs6000_libcall_value): Likewise.
17147 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17149 * config/xtensa/ieee754-df.S: New file.
17150 * config/xtensa/ieee754-sf.S: New file.
17151 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17152 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17153 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17155 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17157 * config/sh/predicates.md (binary_float_operator,
17158 binary_logical_operator, commutative_float_operator,
17159 equality_comparison_operator, greater_comparison_operator,
17160 less_comparison_operator, logical_operator,
17161 noncommutative_float_operator, shift_operator,
17162 symbol_ref_operand, unary_float_operator): Remove redundant
17165 2006-01-09 Jeff Law <law@redhat.com>
17167 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17168 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17169 now unused arguments. Callers updated.
17170 (eliminate_redundant_computations): Remove now unused arguments,
17172 (local_fold): Remove, no longer used.
17173 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17175 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17176 (simplify_cond): New function.
17177 (forward_propagate_into_cond): Call simplify_cond.
17179 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17181 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17182 (*vec_extractv2di_1_sse): New.
17184 2006-01-09 Ben Elliston <bje@au.ibm.com>
17186 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17188 2006-01-08 Richard Guenther <rguenther@suse.de>
17190 * tree-ssa-structalias.c (get_constraint_for): Remove
17191 anyoffset argument.
17192 (get_constraint_for_component_ref): Likewise.
17193 (do_deref): Likewise.
17194 (get_constraint_for): Likewise.
17195 (do_structure_copy): Likewise.
17196 (handle_ptr_arith): Likewise.
17197 (find_func_aliases): Likewise. Remove unused need_anyoffset
17200 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17201 Kaz Kojima <kkojima@gcc.gnu.org>
17203 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17204 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17205 (EXTRA_CONSTRAINT_C16): Remove.
17206 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17207 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17208 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17209 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17210 constants of SHmedia. Handle nested constant expressions of
17212 (andcosts): Fix the costs for SHmedia constants.
17213 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17214 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17215 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17216 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17217 (movv4hi_i, movv2si_i): Likewise.
17218 (movsi_const): Adjust the second operand of ior so to match with
17219 the Csu constraint.
17220 (movdi_const, movdi_const_32bit): Likewise.
17221 (movdi_const_16bit+1): Don't sign-extend LOW.
17222 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17224 (*double_shori): Fix the split condition. Use GEN_INT instead
17225 of get_int_mode calls. Mask lower 16-bit of the argument of
17227 (sym2GOTPLT): Remove.
17228 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17230 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17231 instead of EXTRA_CONSTRAINT_C16.
17233 2006-01-07 Ian Lance Taylor <ian@airs.com>
17234 David Edelsohn <edelsohn@gnu.org>
17236 PR rtl-optimization/25662
17237 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17238 for constant operands instead of simplify_gen_binary.
17239 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17240 after trying simplify_binary_operation
17242 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17244 * tree.c (iterative_hash_expr): Hash decls based on UID.
17246 2006-01-06 Eric Christopher <echristo@apple.com>
17248 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17249 (TARGET_UNWIND_EMIT): Fix spelling.
17250 * target.h (gcc_target): Add except_table_label.
17251 * except.c (output_function_exception_table): Use.
17252 * varasm.c (default_emit_except_table_label): New.
17253 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17255 (asm_out): Add here.
17256 * output.h (default_emit_except_table_label): Prototype.
17257 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17258 * config/darwin.c (darwin_emit_except_table_label): Define.
17259 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17261 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17263 PR tree-optimization/18527
17264 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17265 number_of_iterations_special, number_of_iterations_exit):
17266 Move base and step of an iv to a single structure. Add
17267 no_overflow flag, and use it in # of iterations analysis.
17268 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17269 folded_casts argument.
17270 (simple_iv): Pass base and step in a structure. Set no_overflow
17272 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17273 Evaluate expensiveness of computing # of iterations instead of
17274 the final expression.
17275 * tree-scalar-evolution.h (affine_iv): New structure.
17276 (simple_iv): Declaration changed.
17277 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17278 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17279 find_givs_in_stmt): Changed due to simple_iv change.
17281 2006-01-06 Jeff Law <law@redhat.com>
17284 * tree-cfg.c (bsi_replace): Rename final argument from
17285 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17286 change (stmt -> orig_stmt).
17287 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17288 (bsi_remove): Add new argument. Remove EH information
17290 (verify_eh_throw_table_statements): New function.
17291 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17293 * tree-optimize.c (execute_free_cfg_annotations): Verify
17294 the EH throw statement table after removing annotations.
17295 * except.h (verify_eh_throw_table_statements): Prototype.
17296 * tree-flow.h (bsi_remove): Update prototype.
17297 * tree-vrp.c (remove_range_assertions): Add new argument to
17299 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17300 * tree-complex.c (expand_complex_div_wide): Likewise.
17301 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17302 * tree-tailcall.c (eliminate_tailcall): Likewise.
17303 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17304 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17305 * tree-nrv.c (tree_nrv): Likewise.
17306 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17307 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17308 (combine_blocks): Likewise.
17309 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17310 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17311 (cleanup_control_flow): Likewise.
17312 (remove_forwarder_block): Likewise.
17313 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17314 * tree-sra.c (sra_replace): Likewise.
17315 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17316 (forward_propagate_single_use_vars): Likewise.
17317 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17318 * tree-inline.c (expand_call_inline): Likewise.
17319 * tree-vect-transform.c (vect_transform_loop): Likewise.
17320 * tree-outof-ssa.c (rewrite_trees): Likewise.
17321 * tree-cfg.c (make_goto_expr_edges): Likewise.
17322 (cleanup_dead_labels): Likewise.
17323 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17324 (bsi_move_before, bsi_move_after): Likewise.
17325 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17326 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17328 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17331 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17333 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17334 on non gimple variables. Also add checks at the top for decls and
17336 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17338 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17339 and IMAGPART_EXPR for creating MUST_DEFs.
17340 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17341 and NAME_MEMORY_TAG separately from the DECLs.
17343 2006-01-06 Richard Guenther <rguenther@suse.de>
17345 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17346 annotation, if necessary.
17347 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17348 redundant calls to update_stmt.
17349 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17352 2006-01-05 Richard Henderson <rth@redhat.com>
17354 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17356 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17358 * c-typeck.c: Update copyright date.
17360 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17362 * c-typeck.c (build_c_cast): Always warn when casting
17363 from a pointer to an integer of different size, even if
17364 the node was constant.
17366 2006-01-05 Richard Guenther <rguenther@suse.de>
17368 PR tree-optimization/22555
17369 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17370 if one structure field is an array.
17371 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17372 operands even if we found a subvar, but ignore VOPs in this
17374 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17376 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17378 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17380 PR middle-end/24998
17381 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17383 2006-01-05 Richard Guenther <rguenther@suse.de>
17384 Diego Novillo <dnovillo@redhat.com>
17386 * tree-pass.h (TODO_remove_unused_locals): Define.
17387 * gimple-low.c (expand_var_p, remove_useless_vars,
17388 pass_remove_useless_vars): Remove. Update all users.
17389 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17390 (remove_unused_locals): New function.
17391 * tree-flow.h (remove_unused_locals): Declare.
17392 * passes.c (execute_todo): Call remove_unused_locals if
17393 TODO_remove_unused_locals is set.
17394 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17395 * tree-ssa-dce.c (pass_dce): Likewise.
17396 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17398 2006-01-05 Richard Guenther <rguenther@suse.de>
17400 * tree-flow.h (struct fieldoff): Decompose field to
17401 type, size and decl.
17402 * tree-ssa-alias.c (create_sft): Take type as parameter.
17403 (create_overlap_variables_for): Store type, size and decl
17404 in the fieldoff structure.
17405 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17406 of struct fieldoff.
17407 (push_fields_onto_fieldstack): Likewise.
17408 (create_variable_info_for): Likewise. Use offset for the
17409 SFT name if the decl is not available.
17411 2006-01-04 Paul Brook <paul@codesourcery.com>
17413 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17415 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17417 * lambda-code.c (can_put_in_inner_loop): Relax
17419 (can_put_after_inner_loop): New function.
17420 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17421 (perfect_nestify): Change to make copies and modify uses.
17423 2006-01-04 Richard Henderson <rth@redhat.com>
17425 Merge from gomp branch:
17426 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17427 via integer constant.
17428 (pragma_lex): Remove.
17429 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17430 rather than parsing it.
17431 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17432 handle_pragma_extern_prefix): Add %< %> quotes.
17433 (registered_pragmas): New.
17434 (c_register_pragma_1): New.
17435 (c_register_pragma): Use it.
17436 (c_register_pragma_with_expansion): Likewise.
17437 (c_invoke_pragma_handler): New.
17438 (init_pragma): Use cpp_register_deferred_pragma directly for
17440 * c-pragma.h (enum pragma_kind): New.
17441 (pragma_handler): New.
17442 (c_invoke_pragma_handler): Declare.
17443 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17445 * c-common.h (c_common_pch_pragma): Update decl.
17446 * Makefile.in (c-parser.o): Update dependencies.
17447 (GTFILES): Add c-pragma.h.
17448 * c-parser.c (struct c_token): Add pragma_kind.
17449 (struct c_parser): Add in_pragma.
17450 (c_lex_one_token): Always initialize keyword and pragma_kind.
17451 Extract data for CPP_PRAGMA.
17452 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17453 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17454 Don't allow CPP_PRAGMA_EOL if in_pragma.
17455 (c_parser_consume_pragma): New.
17456 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17457 (c_parser_skip_to_end_of_parameter): Likewise.
17458 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17459 (c_parser_skip_to_pragma_eol): New.
17460 (c_parser_external_declaration): Handle CPP_PRAGMA.
17461 (c_parser_compound_statement_nostart): Likewise.
17462 (c_parser_statement_after_labels): Likewise.
17463 (c_parser_pragma): New.
17464 (pragma_lex): Likewise.
17465 (c_parser_pragma_pch_preprocess): New.
17466 (c_parser_new): Merge into ...
17467 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17469 2006-01-04 Jeff Law <law@redhat.com>
17472 * tree-cfg.c (bsi_replace): Remove the original statement
17473 from the EH throw statement table.
17475 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17477 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17478 make the prototype extern "C" and add throw ().
17481 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17482 and pos non-negative and pos + len <= 32.
17483 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17484 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17485 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17488 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17489 as well as sizes not multiple of component size.
17492 * function.c (instantiate_expr): New function.
17493 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17494 walk its DECL_VALUE_EXPR with instantiate_expr.
17496 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17497 DW_OP_deref{,_size} if address isn't going to be added.
17499 2006-01-04 Ben Elliston <bje@au.ibm.com>
17501 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17502 * config/fp-bit.c: Likewise.
17504 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17506 * dominance.c: Add comment about why we use DFS numbering
17509 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17510 Richard Henderson <rth@redhat.com>
17512 Merge from gomp-branch:
17513 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17514 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17516 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17518 PR rtl-optimization/25578
17519 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17520 pass a parameter to simplify_shift_const if changing ASHIFTRT
17523 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17525 * builtins.c (get_builtin_sync_mem): New function.
17526 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17527 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17528 Call get_builtin_sync_mem to generate mem rtx.
17530 2006-01-03 Richard Guenther <rguenther@suse.de>
17533 * stmt.c (add_case_node): Make sure to clear overflow flags
17536 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17538 Merge from gomp-branch.
17539 * config/sparc/sync.md: New file.
17540 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17541 UNSPECV_LDSTUB): New constants.
17542 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17543 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17544 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17547 2006-01-03 Roger Sayle <roger@eyesopen.com>
17549 * combine.c (reg_subword_p): New predicate to test whether the
17550 destination of a set refers to a subword/piece of a register.
17551 (try_combine): Generalize the code to merge the setting of a
17552 pseudo to a constant followed by a set of a subword of that
17553 register to a constant.
17555 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17557 * basic-block.h (control_flow_graph): Change the type of
17558 x_label_to_block_map to VEC(basic_block,gc) *.
17559 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17560 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17562 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17563 VEC(basic_block,heap) *.
17564 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17565 ssa_prop_fini): Adjust the uses of cfg_blocks.
17567 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17569 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17571 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17572 hashing trees instead of a pointer hash.
17573 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17574 compare for MEM_EXPR.
17576 PR rtl-optimization/25130
17577 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17578 when comparing MEMs for GCSE
17580 2006-01-03 Ben Elliston <bje@au.ibm.com>
17582 * targhooks.h (default_decimal_float_supported_p): Declare.
17583 * targhooks.c (default_decimal_float_supported_p): Define.
17584 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17585 `default_decimal_float_supported_p'.
17586 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17588 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17590 * combine.c (apply_distributive_law <SUBREG>): Check
17591 TRULY_NOOP_TRUNCATION.
17593 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17595 * dwarf2out.c (have_switched_text_section): Delete.
17596 (have_multiple_function_sections): New.
17597 (have_location_lists): Make 'bool'.
17598 (add_AT_loc_list): Use 'true' not '1'.
17599 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17600 (output_loc_list): Use have_multiple_function_sections.
17601 (output_ranges): Likewise.
17602 (dwarf2out_begin_function): Set have_multiple_function_sections if
17604 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17605 Check function_section rather than DECL_SECTION_NAME.
17606 (dwarf2out_finish): Use have_multiple_function_sections.
17607 Don't clear have_location_lists.
17609 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17610 Jan Hubicka <jh@suse.cz>
17612 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17613 case of conditional jump jumping to the next instruction.
17614 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17615 cases of conditional jump jumping to the next instruction.
17617 2006-01-02 Jan Hubicka <jh@suse.cz>
17619 * i386.c (*_cost): Add COSTS_N_INSNS.
17620 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17622 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17625 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17627 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17629 * config/arm/arm.c (all_fpus): Fix comment typo.
17630 * config/darwin.c: Likewise.
17631 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17632 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17633 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17635 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17637 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17638 (rs6000_split_compare_and_swapqhi): New.
17639 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17640 (sync_compare_and_swapqhi_internal): New.
17641 * config/rs6000/rs6000-protos.h: Declare.