1 2006-10-29 Richard Guenther <rguenther@suse.de>
3 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4 rint in case -fno-trapping-math is enabled.
5 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
7 (ix86_expand_sse_fabs): Likewise.
8 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
9 * config/i386/i386.md (rintdf2): Enable for SSE math if
10 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
13 2006-10-29 Richard Guenther <rguenther@suse.de>
15 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
17 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
19 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
20 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
21 (lfloor_optab, lceil_optab): Adjust defines.
22 * builtins.c (expand_builtin_int_roundingfn): Adjust for
23 lfloor and lceil optabs now being conversion optabs.
24 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
25 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
26 New static helper function.
27 (ix86_expand_lfloorceil): New function to expand lfloor and
29 * config/i386/i386.md (lfloor<mode>2): Split into ...
30 (lfloorxf<mode>2): ... x87 variant
31 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
32 using ix86_expand_lfloorceil.
33 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
35 * doc/md.texi (lfloorMN, lceilMN): Document.
37 2006-10-29 Richard Sandiford <richard@codesourcery.com>
39 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
40 -mno-shared assembler option on mips targets.
41 * configure, config.in: Regenerate.
42 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
43 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
44 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
46 2006-10-29 Richard Sandiford <richard@codesourcery.com>
48 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
49 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
51 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
53 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
54 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
57 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
60 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
61 (fold_builtin_pow): Evaluate constant arguments at compile-time
63 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
64 (do_mpfr_ckconv): New helper function.
65 (do_mpfr_arg1): Use do_mpfr_ckconv.
68 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
71 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
72 (-fdump-rtl-sched): Rename to ..
73 (-fdump-rtl-sched1): here. Also fix file extension number.
75 2006-10-28 Richard Guenther <rguenther@suse.de>
77 * fold-const.c (maybe_canonicalize_comparison): Fix code
80 2006-10-28 Uros Bizjak <uros@kss-loka.si>
82 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
83 (NON_QI_REG_P): Use IN_RANGE.
84 (REX_INT_REGNO_P): Use IN_RANGE.
85 (FP_REGNO_P): Use IN_RANGE.
86 (SSE_REGNO_P): Use IN_RANGE.
87 (REX_SSE_REGNO_P): Use IN_RANGE.
88 (MMX_REGNO_P): Use IN_RANGE.
89 (STACK_REGNO_P): New macro.
90 (STACK_REG_P): Use STACK_REGNO_P.
91 (NON_STACK_REG_P): Use STACK_REGNO_P.
92 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
93 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
94 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
95 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
96 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
98 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
100 * except.h (output_function_exception_table): Add 'const char*' param.
101 * except.c (switch_to_exception_section): Add 'const char*' param.
102 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
103 and flag_function_sections is set, use a function-specific section.
104 (output_function_exception_table): Add 'const char*' param.
105 Adjust call to switch_to_exception_section.
106 * final.c (rest_of_handle_final): Adjust calls to
107 output_function_exception_table.
108 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
109 * config.in: Regenerate.
110 * configure: Likewise.
112 2006-10-28 Richard Guenther <rguenther@suse.de>
115 * fold-const.c (maybe_canonicalize_comparison_1): Helper
116 for maybe_canonicalize_comparison.
117 (maybe_canonicalize_comparison): New function for canonicalizing
119 (fold_comparison): Call it to canonicalize comparisons with
122 2006-10-28 Richard Guenther <rguenther@suse.de>
125 * builtins.c (expand_builtin_int_roundingfn_2): Expand
126 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
127 (expand_builtin): Adjust likewise.
128 * genopinit.c (optabs[]): Add lround optab.
129 * optabs.c (init_optabs): Initialize lround_optab.
130 * optabs.h (enum convert_optab_index): Add COI_lround.
131 (lround_optab): Define.
132 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
133 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
135 (ix86_expand_lround): New function.
136 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
138 * doc/md.texi (lroundMN2): Document.
140 2006-10-28 Uros Bizjak <uros@kss-loka.si>
143 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
144 argument to HOST_WIDE_INT. Update function prototype.
145 (round_frame_size): Change return type to HOST_WIDE_INT. Change
146 "size" argument to HOST_WIDE_INT. Update function prototype.
148 2006-10-28 Uros Bizjak <uros@kss-loka.si>
150 * config/i386/i386.c (output_387_ffreep): Create output from a
151 template string for !HAVE_AS_IX86_FFREEP.
153 2006-10-27 Eric Christopher <echristo@apple.com>
155 * config/darwin.c: Fix formatting and grammar.
157 2006-10-27 Jan Hubicka <jh@suse.cz>
159 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
160 to be thrown away soon when IGNORE is set.
161 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
162 indicating when return value shall not be computed.
163 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
165 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
167 * config/i386/i386.h (TARGET_GEODE):
168 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
169 (TARGET_CPU_DEFAULT_geode): New macro.
170 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
171 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
172 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
173 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
174 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
176 (TARGET_CPU_DEFAULT_NAMES): Add geode.
177 (processor_type): Add PROCESSOR_GEODE.
179 * config/i386/i386.md: Include geode.md.
182 * config/i386/i386.c (geode_cost): New initialized global
184 (m_GEODE, m_K6_GEODE): New macros.
185 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
186 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
187 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
188 x86_schedule): Use m_K6_GEODE instead of m_K6.
189 (x86_movx, x86_cmove): Set up m_GEODE.
190 (x86_integer_DFmode_moves): Clear m_GEODE.
191 (processor_target_table): Add entry for geode.
192 (processor_alias_table): Ditto.
194 * config/i386/geode.md: New file.
196 * doc/invoke.texi: Add entry about geode processor.
198 2006-10-27 Mike Stump <mrs@apple.com>
200 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
201 __DYNAMIC__ from here back to ...
202 * config/darwin.h (CPP_SPEC): ... here.
204 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
205 Nathan Sidwell <nathan@codesourcery.com>
207 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
208 when choosing the minimum heapsize.
210 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
212 * gcc/unwind-dw2.h: Move cfa-related variables into
213 struct frame_state_reg_info to ensure that the CFA is properly
214 handled when executing DW_CFA_{remember,restore}_state.
215 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
216 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
217 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
218 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
219 gcc/config/rs6000/linux-unwind.h,
220 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
221 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
222 Modify to use new cfa_* fields.
224 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
226 * config/s390/s390.c (s390_init_frame_layout): Check positive
229 2006-10-26 Ben Elliston <bje@au.ibm.com>
231 * gimplify.c (get_name): Remove extraneous break.
232 (gimplify_omp_for): Initialise ret with GS_OK.
234 2006-10-25 Steve Ellcey <sje@cup.hp.com>
236 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
237 Add unix98.o to link line.
239 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
242 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
243 Calculate compile-time constants using MPFR.
244 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
245 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
247 2006-10-25 Bob Wilson <bob.wilson@acm.org>
249 * config/xtensa/lib2funcs.S: Use C-style comments.
251 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
253 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
254 (file_table_relative_p): Likewise.
255 (dwarf2out_finish): Likewise.
256 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
258 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
260 * tree-ssa-structalias.c (intra_create_variable_infos):
261 Don't recreate nonlocal_all if it already exists.
263 2006-10-25 Richard Guenther <rguenther@suse.de>
266 * optabs.h (enum optab_index): Remove OTI_lrint.
267 (enum convert_optab_index): Add COI_lrint.
268 (lrint_optab): Adjust.
269 (expand_sfix_optab): Declare.
270 * optabs.c (expand_sfix_optab): New function.
271 (init_optabs): Init lrint_optab as conversion optab.
272 * genopinit.c (lrint_optab): Change to a conversion optab.
273 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
274 expansion via conversion optab.
275 * config/i386/i386.md (*fistdi2_1): Remove
276 flag_unsafe_math_optimizations guard.
277 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
278 fist<mode>2_with_temp): Likewise.
279 (lrint<mode>2): Split into...
280 (lrintxf<mode>2): ... x87 part
281 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
282 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
283 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
284 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
285 * doc/md.texi (lrintMN2): Document.
287 2006-10-25 Uros Bizjak <uros@kss-loka.si>
290 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
291 Use inc and dec instructions for TARGET_USE_INCDEC.
292 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
293 ("sync_double_compare_and_swap<mode>"): Likewise.
294 ("*sync_double_compare_and_swapdi_pic"): Likewise.
295 ("*sync_compare_and_swap_cc<mode>"): Likewise.
296 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
297 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
298 ("sync_old_add<mode>"): Likewise.
299 ("sync_lock_test_and_set<mode>"): Likewise.
300 ("sync_lock_test_and_set<mode>"): Likewise.
301 ("sync_add<mode>"): Likewise.
302 ("sync_sub<mode>"): Likewise.
303 ("sync_ior<mode>"): Likewise.
304 ("sync_and<mode>"): Likewise.
305 ("sync_xor<mode>"): Likewise.
307 2006-10-25 Uros Bizjak <uros@kss-loka.si>
309 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
310 (remainder_optab): Define corresponding macro.
311 (drem_optab): Remove.
312 * optabs.c (init_optabs): Initialize remainder_optab. Remove
313 drem_optab initialization.
314 * genopinit.c (optabs): Implement remainder_optab using
315 remainder?f3 patterns. Remove drem_optab.
316 * builtins.c (expand_builtin_mathfn_2): Handle
317 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
318 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
319 expand_builtin_mathfn_2.
321 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
322 depend on flag_unsafe_math_optimizations.
324 * config/i386/i386.md ("remaindersf3", "remainderdf3")
325 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
326 Do not depend on flag_unsafe_math_optimizations. Use
327 truncxf?f expander instead of truncxf?f_i387_noop.
329 ("fpremxf4", "fprem1xf4"): Do not depend on
330 flag_unsafe_math_optimizations.
331 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
332 flag_unsafe_math_optimizations. Use truncxf?f expander
333 instead of truncxf?f_i387_noop.
335 * doc/md.texi (fmod, remainder): Document standard named pattern.
337 2006-10-24 Richard Sandiford <richard@codesourcery.com>
338 David Daney <ddaney@avtrex.com>
341 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
343 2006-10-25 Ben Elliston <bje@au.ibm.com>
345 * doc/extend.texi (Variable Attributes): Typo fix.
347 2006-10-24 Uros Bizjak <uros@kss-loka.si>
349 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
350 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
351 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
352 (FRAME_POINTER_REGNUM): Update register number to 21.
353 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
354 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
356 * config/i386/i386.c (regclass_map): Add fpcr entry.
357 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
359 (print_reg): Assert REGNO (x) != FPCR_REG.
361 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
362 (DIRFLAG_REG): Renumber.
363 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
364 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
365 (sse_prologue_save, *sse_prologue_save_insn): Renumber
366 hardcoded SSE register numbers.
368 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
369 hardcoded MMX register numbers.
371 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
374 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
375 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
377 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
378 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
379 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
380 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
382 2006-10-24 Richard Guenther <rguenther@suse.de>
385 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
386 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
387 for deciding optimizations in consistency with fold-const.c
388 (fold_builtin_unordered_cmp): Likewise.
390 2006-10-24 Richard Guenther <rguenther@suse.de>
392 * builtins.c (fold_builtin_floor): Fold floor (x) where
393 x is nonnegative to trunc (x).
394 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
395 nonnegative to FIX_TRUNC_EXPR.
397 2006-10-24 Richard Guenther <rguenther@suse.de>
399 PR tree-optimization/29567
400 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
401 for TRUTH_NOT_EXPR. Clarify comments.
403 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
406 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
407 at compile-time using MPFR. Change parameter VALUE to FUNC,
409 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
410 for overflow and underflow at all times and avoid folding in
413 2006-10-24 Ben Elliston <bje@au.ibm.com>
415 * reload1.c: Formatting fixes.
417 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
419 PR tree-optimization/14784
420 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
421 * tree-ssa-structalias.c (get_constraint_for,
422 intra_create_variable_infos): Set is_heapvar.
423 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
424 non-heapvar pointer variables specially.
426 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
429 * builtins.c (fold_builtin_sin, fold_builtin_cos,
430 fold_builtin_tan): Fold all constant arguments. Take a "type"
431 argument as necessary.
433 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
435 2006-10-23 Bob Wilson <bob.wilson@acm.org>
437 * config/xtensa/lib1funcs.asm: Use C-style comments.
439 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
441 * tree.c (local_define_builtin): Replace calls to
442 lang_hooks.builtin_function with add_builtin_function.
443 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
445 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
447 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
448 common code to add_builtin_function.
449 * langhooks.c (add_builtin_function): New function.
450 (lhd_builtin_function): New function.
451 * langhooks.h (struct lang_hooks): Change the signature of
453 (add_builtin_function): New function.
454 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
455 calls to lang_hooks.builtin_function with add_builtin_function.
456 * c-common.c (decl_builtin_1): Replace calls to
457 lang_hooks.builtin_function with add_builtin_function.
458 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
459 lang_hooks.builtin_function with add_builtin_function.
460 * config/frv/frv.c (def_builtin): Replace calls to
461 lang_hooks.builtin_function with add_builtin_function.
462 * config/s390/s390.c (s390_init_builtins): Replace calls to
463 lang_hooks.builtin_function with add_builtin_function.
464 * config/sparc/sparc.c (def_builtin): Replace calls to
465 lang_hooks.builtin_function with add_builtin_function.
466 * config/i386/i386.c (def_builtin): Replace calls to
467 lang_hooks.builtin_function with add_builtin_function.
468 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
469 lang_hooks.builtin_function with add_builtin_function.
470 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
471 lang_hooks.builtin_function with add_builtin_function.
472 * config/stormy16/stormy16.c (xstormy16_init_builtins):
473 Replace calls to lang_hooks.builtin_function with
474 add_builtin_function.
475 * config/iq2000/iq2000.c (def_builtin):
476 Replace calls to lang_hooks.builtin_function with
477 add_builtin_function.
478 * config/ia64/ia64.c (def_builtin): Replace calls to
479 lang_hooks.builtin_function with add_builtin_function.
480 * config/rs6000/rs6000.c (def_builtin): Replace calls to
481 lang_hooks.builtin_function with add_builtin_function.
482 (altivec_init_builtins): Replace calls to
483 lang_hooks.builtin_function with add_builtin_function.
484 * config/arm/arm.c (def_mbuiltin): Replace calls to
485 lang_hooks.builtin_function with add_builtin_function.
486 (arm_init_tls_builtins): Replace calls to
487 lang_hooks.builtin_function with add_builtin_function.
488 * config/mips/mips.c (mips_init_builtins): Replace calls to
489 lang_hooks.builtin_function with add_builtin_function.
490 * config/bfin/bfin.c (def_builtin): Replace calls to
491 lang_hooks.builtin_function with add_builtin_function.
492 * langhooks-def.h (lhd_builtin_function): New function.
493 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
495 2006-10-23 Jakub Jelinek <jakub@redhat.com>
497 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
498 BUILT_IN_STRNCAT_CHK.
500 2006-10-23 Jan Hubicka <jh@suse.cz>
502 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
503 don't do conversion from memmove to memcpy here.
504 (expand_builtin_bcopy, expand_builtin): Update call of
505 expand_builtin_memmove.
506 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
508 2006-10-23 Paul Brook <paul@codesourcery.com>
510 * stor-layout.c (start_record_layout): maximum_field_alignment
511 overrides STRUCTURE_SIZE_BOUNDARY.
513 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
515 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
516 nonlocal function symbols if flag_pic.
518 2006-10-23 Richard Guenther <rguenther@suse.de>
522 * builtins.c (fold_binary): Remove checks for flag_wrapv
523 and flag_trapv where negate_expr_p covers these cases.
525 2006-10-23 Richard Guenther <rguenther@suse.de>
528 * fold-const.c (fold_plusminus_mult_expr): Check exact power
529 of two on the absolute value.
530 (fold_binary): Fold x * -C to -x * C if x is easily negatable
531 and negating -C does not overflow.
533 2006-10-23 Richard Guenther <rguenther@suse.de>
536 * convert.c (convert_to_real): Fold (float)-x to -(float)x
537 only if not flag_rounding_math.
539 2006-10-22 Richard Sandiford <richard@codesourcery.com>
540 Kaz Kojima <kkojima@gcc.gnu.org>
543 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
544 SImode memory reference for the source of a movua.
545 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
546 (movua): Use an unspec instead of sign_extract. Expect the source
547 to have mode BLKmode.
548 (extv, insv): Use a BLKmode rather than SImode memory reference
549 for the source of a movua.
551 2006-10-22 Jeff Law <law@redhat.com>
552 Richard Guenther <rguenther@suse.de>
554 PR tree-optimization/15911
555 * tree-vrp.c (extract_code_and_val_from_cond): New function.
556 (register_edge_assert_for_1): Likewise.
557 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
558 (find_conditional_asserts): Adjust for new function signature.
559 (find_assert_locations): Likewise.
561 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
563 * config/i386/tmmintrin.h: Remove the duplicated content.
565 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
567 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
568 (x86_64-*-*): Likewise.
570 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
571 (override_options): Check SSSE3.
572 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
573 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
574 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
575 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
576 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
577 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
578 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
579 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
580 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
581 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
582 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
583 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
584 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
585 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
586 IX86_BUILTIN_PABSD128.
587 (bdesc_2arg): Add SSSE3.
588 (bdesc_1arg): Likewise.
589 (ix86_init_mmx_sse_builtins): Support SSSE3.
590 (ix86_expand_builtin): Likewise.
591 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
593 * config/i386/i386.md (UNSPEC_PSHUFB): New.
594 (UNSPEC_PSIGN): Likewise.
595 (UNSPEC_PALIGNR): Likewise.
596 Include mmx.md before sse.md.
598 * config/i386/i386.opt: Add -mssse3.
600 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
601 (ssse3_phaddwv4hi3): Likewise.
602 (ssse3_phadddv4si3): Likewise.
603 (ssse3_phadddv2si3): Likewise.
604 (ssse3_phaddswv8hi3): Likewise.
605 (ssse3_phaddswv4hi3): Likewise.
606 (ssse3_phsubwv8hi3): Likewise.
607 (ssse3_phsubwv4hi3): Likewise.
608 (ssse3_phsubdv4si3): Likewise.
609 (ssse3_phsubdv2si3): Likewise.
610 (ssse3_phsubswv8hi3): Likewise.
611 (ssse3_phsubswv4hi3): Likewise.
612 (ssse3_pmaddubswv8hi3): Likewise.
613 (ssse3_pmaddubswv4hi3): Likewise.
614 (ssse3_pmulhrswv8hi3): Likewise.
615 (ssse3_pmulhrswv4hi3): Likewise.
616 (ssse3_pshufbv16qi3): Likewise.
617 (ssse3_pshufbv8qi3): Likewise.
618 (ssse3_psign<mode>3): Likewise.
619 (ssse3_psign<mode>3): Likewise.
620 (ssse3_palignrti): Likewise.
621 (ssse3_palignrdi): Likewise.
622 (abs<mode>2): Likewise.
623 (abs<mode>2): Likewise.
625 * config/i386/tmmintrin.h: New file.
627 * doc/extend.texi: Document SSSE3 built-in functions.
629 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
631 2006-10-22 Ira Rosen <irar@il.ibm.com>
633 * tree-vect-transform.c (vectorizable_load): Use the type of the
634 return value of the mask_for_load builtin to create realign_load
637 2006-10-22 Richard Sandiford <richard@codesourcery.com>
639 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
642 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
644 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
645 (UNSPEC_LDDQU): This.
646 * config/i386/sse.md (sse3_lddqu): Updated.
648 2006-10-21 Richard Guenther <rguenther@suse.de>
650 * builtins.c (expand_builtin_int_roundingfn_2): New function.
651 (expand_builtin): Use it to expand lrint instead of
652 expand_builtin_mathfn.
654 2006-10-21 Uros Bizjak <uros@kss-loka.si>
657 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
658 flag_unsafe_math_optimizations is set.
660 2006-10-21 Uros Bizjak <uros@kss-loka.si>
663 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
664 patterns to use memory input operand in x87->mem->XMM
665 reload sequences. Skip transformation for TARGET_K8.
667 2006-10-21 Uros Bizjak <uros@kss-loka.si>
669 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
670 force operand1 to register if both operands are memory operands.
671 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
672 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
673 if both operands are memory operands.
674 (truncdfsf2): Do not force operand1 to register if both operands
677 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
679 * Makefile.in (LIBS): Add $(GMPLIBS).
680 * doc/install.texi: Update GMP and MPFR requirements.
681 * doc/sourcebuild.texi (need_gmp): Delete.
683 2006-10-21 Richard Guenther <rguenther@suse.de>
685 PR tree-optimization/3511
686 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
687 got new invariant arguments during PHI translation.
689 2006-10-21 Richard Guenther <rguenther@suse.de>
692 * fold-const.c (fold_comparison): Fold signed comparisons
693 of the form X +- C1 CMP Y +- C2.
695 2006-10-21 Richard Guenther <rguenther@suse.de>
698 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
699 if flag_unsafe_math_optimizations is specified. We have
700 flag_finite_math_only for that.
701 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
702 or flag_unsafe_math_optimizations.
704 2006-10-21 Richard Guenther <rguenther@suse.de>
706 * builtins.c (fold_builtin_classify): Fix typo.
708 2006-10-21 Richard Guenther <rguenther@suse.de>
711 * simplify-rtx.c (simplify_const_relational_operation):
712 Do not constant-fold ORDERED and UNORDERED for
713 flag_unsafe_math_optimizations but only we do not need to
714 honor NaNs for the given mode.
716 2006-10-21 Richard Guenther <rguenther@suse.de>
719 * config/i386/i386.c (classify_argument): Remove redundant
720 walking of the BINFOs.
721 (contains_128bit_aligned_vector_p): Likewise.
723 2006-10-20 Mark Mitchell <mark@codesourcery.com>
725 * BASE-VER: Set to 4.3.0.
727 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
729 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
730 (tree_decl_with_vis): Remove artificial_pta_var flag.
731 * tree-flow.h (referenced_var_check_and_insert): Expose.
732 (nonlocal_all): New prototype.
733 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
734 (nonlocal_all): Make global.
735 (nonlocal_lookup): Remove.
736 (nonlocal_insert): Ditto.
737 (create_nonlocal_var): Do not call nonlocal_insert.
738 (get_nonlocal_id_for_type): Remove.
739 (find_global_initializers): Mark new vars we find for renaming.
740 (intra_create_variable_infos): Only create one nonlocal.
741 (expand_nonlocal_solutions): Remove.
742 (compute_points_to_sets): Don't call it.
743 (ipa_pta_execute): Ditto.
744 (init_alias_heapvars): Don't create nonlocal_for_type.
745 (delete_alias_heapvars): Don't remove it.
746 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
749 2006-10-19 Brooks Moses <bmoses@stanford.edu>
751 * doc/install.texi (Downloading GCC): Clarify mention of
752 Fortran in the "full distribution" description.
754 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
756 Fix PR tree-optimization/28778
757 Fix PR tree-optimization/29156
758 Fix PR tree-optimization/29415
759 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
760 (tree_decl_with_vis): Add artificial_pta_var flag.
761 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
763 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
764 (nonlocal_all): Ditto.
765 (struct variable_info): Add directly_dereferenced member.
766 (var_escaped_vars): New variable.
767 (escaped_vars_tree): Ditto.
768 (escaped_vars_id): Ditto.
769 (nonlocal_vars_id): Ditto.
770 (new_var_info): Set directly_dereferenced.
771 (graph_size): New variable
772 (build_constraint_graph): Use graph_size.
773 (solve_graph): Don't process constraints that cannot change the
774 solution, don't try to propagate an empty solution to our
776 (process_constraint): Set directly_dereferenced.
777 (could_have_pointers): New function.
778 (get_constraint_for_component_ref): Don't process STRING_CST.
779 (nonlocal_lookup): New function.
780 (nonlocal_insert): Ditto.
781 (create_nonlocal_var): Ditto.
782 (get_nonlocal_id_for_type): Ditto.
783 (get_constraint_for): Allow results vector to be empty in the case
785 Handle results of calls properly.
786 (update_alias_info): Update alias info stats on number and type of
788 (find_func_aliases): Use could_have_pointers.
789 (make_constraint_from_escaped): Renamed from
790 make_constraint_to_anything, and changed to make constraints from
792 (make_constraint_to_escaped): New function.
793 (find_global_initializers): Ditto.
794 (create_variable_info_for): Make constraint from escaped to any
795 global variable, and from any global variable to the set of
797 (intra_create_variable_infos): Deal with escaped instead of
798 pointing to anything.
799 (set_uids_in_ptset): Do type pruning on directly dereferenced
801 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
802 (init_base_vars): Fix comment, and initialize escaped_vars.
803 (need_to_solve): Removed.
804 (find_escape_constraints): New function.
805 (expand_nonlocal_solutions): Ditto.
806 (compute_points_to_sets): Call find_escape_constraints and
807 expand_nonlocal_solutions.
808 (delete_points_to_sets): Don't fall off the end of the graph.
809 (init_alias_heapvars): Initialize nonlocal_for_type and
811 (delete_alias_heapvars): Free nonlocal_for_type and null out
814 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
816 * fold-const.c (add_double): Rename to add_double_with_sign.
817 Add 'unsigned_p' parameter and take it into account for the overflow.
818 (mul_double): Rename to mul_double_with_sign.
819 Add 'unsigned_p' parameter and take it into account for the overflow.
820 (fold_div_compare): Call add_double_with_sign instead of add_double
821 and mul_double_with_sign instead of mul_double, passing them the
822 unsignedness of the type.
823 * tree.h (add_double): Macroize.
824 (add_double_with_sign): New prototype.
825 (mul_double): Macroize.
826 (mul_double_with_sign): New prototype.
828 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
830 * config/score/crti.asm: New file.
831 * config/score/crtn.asm: New file.
832 * config/score/elf.h: New file.
833 * config/score/mac.md: New file.
834 * config/score/misc.md: New file.
835 * config/score/mul-div.S: New file.
836 * config/score/predicates.md: New file.
837 * config/score/score7.md: New file.
838 * config/score/score.c: New file.
839 * config/score/score-conv.h: New file.
840 * config/score/score.h: New file.
841 * config/score/score.md: New file.
842 * config/score/score-mdaux.c: New file.
843 * config/score/score-mdaux.h: New file.
844 * config/score/score-modes.def: New file.
845 * config/score/score.opt: New file.
846 * config/score/score-protos.h: New file.
847 * config/score/score-version.h: New file.
848 * config/score/t-score-elf: New file.
849 * config.gcc: Add score*-*-* configurations(Update before).
850 * doc/invoke.texi (Score Options): New section.
851 * doc/md.texi (Score family): New section to document constraints.
853 2006-10-19 Nick Clifton <nickc@redhat.com>
855 * config/arm/arm.c: Fix spelling typo.
857 2006-10-18 Tom Tromey <tromey@redhat.com>
859 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
861 2006-10-18 Jan Hubicka <jh@suse.cz>
864 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
867 2006-10-18 Marcin Dalecki <martin@dalecki.de>
869 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
870 TSI_SAME_STMT, since that's the desired entity.
872 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
874 * config/s390/contraints.md: New file.
875 * config/s390/s390-protos.h (s390_mem_constraint,
876 s390_O_constraint_str, s390_N_constraint_str,
877 s390_float_const_zero_p): Function prototypes added.
878 * config/s390/s390.c (s390_extra_constraint_str,
879 s390_const_double_ok_for_constraint_p,
880 s390_const_ok_for_constraint_p): Functions removed.
881 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
882 s390_float_const_zero_p): New functions.
883 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
884 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
885 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
886 Macro definitions removed.
887 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
888 s390_extra_constraint_str): Functions removed.
890 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
891 Richard Sandiford <richard@codesourcery.com>
894 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
895 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
897 2006-10-16 Geoffrey Keating <geoffk@apple.com>
899 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
900 (DWARF2_FRAME_REG_OUT): Likewise.
901 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
902 (DWARF2_FRAME_REG_OUT): Likewise.
904 2006-10-17 Paul Brook <paul@codesourcery.com>
906 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
908 2006-10-16 Brooks Moses <bmoses@stanford.edu>
910 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
911 Standardize on "GNU Fortran" as the official name of the Fortran
914 2006-10-16 Mike Stump <mrs@apple.com>
916 * doc/invoke.texi (Darwin Options): Document -mkernel.
917 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
919 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
920 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
921 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
922 (OS_MISSING_ALTIVEC): Add.
923 * config/i386/i386.c (override_options): Add
924 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
925 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
926 -mkernel, -static or -mdynamic-no-pic is given.
927 (C_COMMON_OVERRIDE_OPTIONS): Add.
928 * config/darwin.opt (fapple-kext): Add.
930 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
931 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
933 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
934 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
935 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
936 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
937 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
939 (flag_apple_kext): Add.
940 (TARGET_KEXTABI): Add.
941 * config/darwin.c (darwin_handle_kext_attribute): Add.
942 (DARWIN_VTABLE_P): Add.
943 (darwin_binds_local_p): Add partial support for rebinding vtables
945 (darwin_kextabi_p): Add.
946 (darwin_override_options): Add.
947 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
948 (darwin_kextabi_p): Add.
949 (darwin_override_options): Add.
950 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
951 __DYNAMIC__ and __STATIC__ here.
953 2006-10-16 Brooks Moses <bmoses@stanford.edu>
955 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
956 Added mention of "make pdf" target, and Texinfo requirements for
959 2006-10-16 DJ Delorie <dj@redhat.com>
961 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
962 into the GOT in case we need a subreg of the address.
964 2006-10-16 Richard Guenther <rguenther@suse.de>
967 * doc/extend.texi (X86 Built-in Functions): Fix typos in
968 SSE builtin documentation. Document SSE2 builtins.
970 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
972 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
973 symbol in the output file for non-shared links when -nostdlib or
974 -nodefaultlibs isn't specified.
976 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
977 posix thread support.
979 2006-10-15 Jan Hubicka <jh@suse.cz>
982 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
983 declared always_inline even when not inlining.
985 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
986 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
987 Andrew Pinski <pinskia@gmail.com>
990 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
992 2006-10-15 Jan Hubicka <jh@suse.cz>
993 Richard Guenther <rguenther@suse.de>
996 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
997 process_function_and_variable_attributes on all variables, including
998 those discovered during cgraph construction phase.
1000 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1002 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1004 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1006 * config/i386/athlon.md (athlon_fist): Add fisttp.
1008 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1009 Ian Lance Taylor <ian@airs.com>
1012 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1013 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1016 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1018 * config/score/score.c, config/score/score.h: Fix comment
1021 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1024 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1027 2006-10-13 Eric Christopher <echristo@apple.com>
1029 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1031 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1034 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1035 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1036 alignment supported by 32-bit ELF.
1038 2006-10-13 Eric Christopher <echristo@apple.com>
1040 * config/darwin.c (darwin_emit_unwind_label): Strip
1041 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1043 2006-10-13 Richard Guenther <rguenther@suse.de>
1045 PR tree-optimization/29446
1046 * tree-vrp.c (fix_equivalence_set): Remove.
1047 (extract_range_from_assert): Do not call fix_equivalence_set.
1048 (debug_value_range): Print a newline.
1049 (compare_name_with_value): For equivalence sets with
1050 inconsistent value ranges conservatively bail out.
1051 (compare_names): Likewise.
1053 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1055 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1056 and MPFR for gfortran.
1058 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1060 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1061 alignment supported by 32-bit ELF.
1063 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1067 * c-typeck.c (digest_init): Always allow initializing vectors
1068 that have static storage duration with compound literals.
1069 * tree.c (build_type_attribute_qual_variant): New, based on
1070 build_type_attribute_variant.
1071 (build_type_attribute_variant): Rewrite using the former.
1072 (make_vector_type): Use build_type_attribute_qual_variant to build
1073 type variants. Use type_hash_canon on the others.
1075 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1076 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1078 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1080 2006-10-12 Jan Hubicka <jh@suse.cz>
1083 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1084 current_function_decl is set but current_function_scope is not.
1086 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1088 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1089 emit_insn to emit eh_return_internal instruction.
1090 (eh_return_internal): Explicitly set pc.
1092 2006-10-11 Richard Guenther <rguenther@suse.de>
1094 PR tree-optimization/28230
1095 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1096 to the correct place.
1098 2006-10-11 Richard Guenther <rguenther@suse.de>
1101 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1104 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1106 * configure.ac: Added pdf to "Make-hooks"
1107 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1108 targets and *.pdf file patterns in cleanup targets.
1109 * configure: Regenerated.
1111 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1113 * config/avr/predicates.md: New file.
1114 * config/avr/avr.md: Include it.
1115 (REG_SP): New constant.
1116 (peepholes): Use predicates.
1117 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1118 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1119 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1121 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1123 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1126 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1129 * builtins.c (var_decl_component_p): New function.
1130 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1131 single entry optimization to variables and components thereof.
1133 2006-10-10 Richard Guenther <rguenther@suse.de>
1135 PR rtl-optimization/29323
1136 * except.c (set_nothrow_function_flags): For functions
1137 that do not bind local bail out early.
1139 2006-10-10 Ben Elliston <bje@au.ibm.com>
1141 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1144 2006-10-09 Richard Henderson <rth@redhat.com>
1146 Revert emutls patch.
1148 2006-10-09 Richard Guenther <rguenther@suse.de>
1151 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1154 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1157 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1158 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1159 * configure: Regenerate.
1160 * config.in: Regenerate.
1162 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1164 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1166 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1168 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1169 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1170 Remove stray newline.
1172 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1174 * config/mips/mips.c (mips_classify_symbol): Do not return
1175 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1176 (mips_in_small_data_p): Tweak comments.
1178 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1180 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1182 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1184 * gimplify.c, sched-int.h: Fix comment typos.
1186 * sched-int.h: Fix comment typos.
1188 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1190 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1192 * sched-ebb.c (begin_schedule_ready): Use them.
1193 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1194 add_to_speculative_block, create_check_block_twin, speculate_insn,
1195 fix_jump_move, move_block_after_check): Ditto.
1196 * sched-rgn.c (new_ready): Ditto.
1198 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1200 PR rtl-optimization/29128
1201 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1202 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1203 allow interblock movement of speculation checks.
1205 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1208 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1209 casted to integer type.
1210 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1211 if they are significantly more expensive than [reg + index] ones.
1213 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1215 PR tree-optimization/29330
1216 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1217 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1218 on newly allocated ddrs.
1219 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1220 to VEC (loop_p, heap) pointer.
1221 (compute_data_dependences_for_loop): Adjust caller.
1222 (free_dependence_relations): Free DDR_LOOP_NEST.
1224 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1225 free DEPENDENCE_RELATIONS and DATAREFS.
1228 * builtins.c (expand_builtin_sync_operation,
1229 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1230 Use convert_to_mode to handle promoted arguments.
1232 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1234 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1236 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1238 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1240 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1242 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1243 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1244 Use <modeconstraint> instead of "r" as operand 1 constraint.
1246 2006-10-06 Olivier Hainque <hainque@adacore.com>
1248 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1249 Don't recurse on the pointed-to type.
1250 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1251 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1252 types with components of variable size.
1254 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1256 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1258 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1260 PR tree-optimization/29290
1261 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1265 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1266 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1269 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1270 the number of vector elements fill the rest with zeros.
1272 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1274 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1275 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1278 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1280 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1281 unnamed pattern into subsi3. Use correct constraints/predicates.
1282 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1283 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1285 2006-10-05 Ira Rosen <irar@il.ibm.com>
1287 * doc/loop.texi: Add data references analysis description.
1289 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1291 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1293 2006-10-04 Richard Henderson <rth@redhat.com>
1294 Jakub Jelinek <jakub@redhat.com>
1296 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1297 * builtin-types.def (BT_WORD): Make unsigned.
1298 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1299 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1300 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1301 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1302 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1303 * cgraph.c (decide_is_variable_needed): Look at force_output.
1304 Recurse for emulated tls.
1305 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1306 checks redundant with decide_is_variable_needed.
1307 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1308 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1310 * expr.c (emutls_var_address): New.
1311 (expand_expr_real_1): Expand emulated tls.
1312 (expand_expr_addr_expr_1): Likewise.
1313 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1314 * output.h (emutls_finish): Declare.
1315 * toplev.c (compile_file): Call it.
1316 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1317 address before wrapping in CONST.
1318 * varasm.c (emutls_htab, emutls_object_type): New.
1319 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1320 (get_emutls_object_name, get_emutls_object_type): New.
1321 (get_emutls_init_templ_addr, emutls_decl): New.
1322 (emutls_common_1, emutls_finish): New.
1323 (assemble_variable): When emulating tls, swap decls; generate
1324 constructor for the emutls objects.
1325 (do_assemble_alias): When emulating tls, swap decl and target name.
1326 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1328 * emutls.c: New file.
1329 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1330 tls_object for real tls.
1332 2006-10-04 Zack Weinberg <zackw@panix.com>
1334 Fix bug in constraint-check generator, reported by Rask Ingemann
1336 * genpreds.c (add_constraint): Don't remove anything from the
1338 (write_tm_constrs_h): Detect whether "op" argument is used, and
1339 mark it ARG_UNUSED if it isn't.
1340 (write_insn_const_int_ok_for_constraint): Skip the part of the
1341 expression that would test whether "op" (which is not available
1342 here) is a CONST_INT.
1344 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1347 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1349 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1351 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1352 current Leopard versions.
1353 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1355 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1357 * doc/install.texi: Fix typos.
1359 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1361 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1362 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1363 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1365 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1367 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1368 arg to be struct mach_header_64* instead.
1370 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1373 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1374 side effects after the outer expression's post side effects.
1376 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1378 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1379 comments to reflect actual behavior and relationship between
1380 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1382 * doc/c-tree.texi (Working with declarations): Fix documentation
1383 of FIELD_DECL likewise.
1385 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1388 * doc/extend.texi: Add used variable attribute description.
1390 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1393 * c.opt (Woverride-init): New.
1394 * c-opts.c (c_common_post_options): Default warn_override_init to
1396 * c-typeck.c (add_pending_init, output_init_element): Warn for
1397 overriding initializers without side effects.
1398 * doc/invoke.texi (-Woverride-init): Document.
1401 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1403 PR rtl-optimization/28096
1404 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1405 assignment has already been used as a destination earlier in the block.
1407 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1409 * builtins.c (expand_builtin_setjmp): Delete.
1410 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1411 <BUILT_IN_SETJMP_SETUP>: New case.
1412 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1413 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1414 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1415 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1416 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1417 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1418 (lower_function_body): Initialize it to false. If it is set to true
1419 at the end of the processing, emit the setjmp dispatcher.
1420 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1421 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1422 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1423 on the rhs of the assignment.
1424 (lower_builtin_setjmp): New function.
1425 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1426 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1427 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1428 to detect calls that can go to non-local labels. Use specific
1429 helper to create the abnormal edges associated with them.
1430 <MODIFY_EXPR>: Likewise.
1431 (make_abnormal_goto_edges): New function extracted from...
1432 (make_goto_expr_edges): ...here. Call it for computed gotos.
1433 (simple_goto_p): Minor tweak.
1434 (tree_can_make_abnormal_goto): New predicate.
1435 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1436 (tree_purge_dead_abnormal_call_edges): New function.
1437 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1438 (tree_purge_dead_abnormal_call_edges): Likewise.
1439 (make_abnormal_goto_edges): Likewise.
1440 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1441 Purge all dead abnormal edges if the call was in the last statement.
1442 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1443 (execute_fixup_cfg): If there are non-local labels in the function,
1444 scan the basic blocks and split them at calls that can go to non-local
1445 labels or add missing abnormal call edges. Write down the CFG in the
1447 (pass_fixup_cfg): Remove TODO_dump_func flag.
1448 * unwind-sjlj.c: Poison setjmp.
1449 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1450 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1451 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1452 (DONT_USE_BUILTIN_SETJMP): Document it.
1454 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1457 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1458 to 1 when __ppc64__ is defined.
1459 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1461 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1463 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1465 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1466 * config/ia64/unwind-hpux.c: Delete.
1468 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1470 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1471 on the element before gimplifying it, instead of punting if it is of
1474 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1476 * doc/loop.texi: New file.
1477 * doc/gccint.texi: Reference loop.texi.
1478 * Makefile.in (loop.texi): Add.
1480 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1482 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1484 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1485 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1487 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1489 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1491 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1493 * doc/install.texi: Document required versions of GMP and MPFR.
1495 2006-09-27 Paul Brook <paul@codesourcery.com>
1498 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1500 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1502 * reload1.c (alter_reg): Require the alignment of the stack slot to
1503 be at least reg_max_ref_width bytes.
1504 (scan_paradoxical_subregs): Record the largest width in
1507 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1511 * tree-nested.c (struct nesting_info): Added static_chain_added.
1512 (convert_call_expr): Set static_chain_added when adding static
1513 chain. Handle OMP_PARALLEL and OMP_SECTION.
1515 2006-09-25 Matthias Klose <doko@debian.org>
1517 * doc/invoke.texi: Add missing full stop.
1519 2006-09-25 Richard Henderson <rth@redhat.com>
1521 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1522 before cgraph_function_flags_ready.
1524 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1525 Adam Nemet <anemet@caviumnetworks.com>
1527 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1528 determine_common_wider_type): New functions.
1529 (get_computation_aff): Use them to simplify arithmetic between
1530 UBASE and CBASE if they are shortened from the same type.
1532 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1535 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1536 -2147483647 - 1 instead of 0x80000000.
1538 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1540 * flags.h (HONOR_NANS): Fix typo in comment.
1542 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1544 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1546 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1550 * tree.c (merge_attributes, attribute_list_contained): If both
1551 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1553 * c-typeck.c (comptypes_internal): Don't consider aggregates
1554 in different TUs as compatible if there one set of attributes is
1555 not a subset of the other type's attributes.
1556 (composite_type): Try harder not to create a new aggregate type.
1558 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1560 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1561 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1562 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1563 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1564 than replicating condition above.
1565 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1567 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1568 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1569 the linker by default.
1571 2006-09-22 Mike Stump <mrs@apple.com>
1573 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1576 2006-09-22 Richard Guenther <rguenther@suse.de>
1579 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1580 sort of stack variables stable.
1582 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1585 * explow.c (force_reg): Set REG_POINTER flag according to
1588 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1590 PR tree-optimization/28888
1591 * tree-if-conv.c (combine_blocks): Rewritten.
1592 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1593 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1595 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1597 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1600 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1602 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1604 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1606 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1608 2006-09-21 Roger Sayle <roger@eyesopen.com>
1611 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1612 dw_fde_current_label, to be the start of the function, i.e. the same
1613 value as dw_fde_begin.
1615 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1617 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1618 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1619 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1620 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1621 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1622 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1623 (abs<mode>2, neg<mode>2): Likewise.
1624 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1625 (*mips_abs_ps): New define_insn.
1627 2006-09-20 Josh Conner <jconner@apple.com>
1630 * calls.c (expand_call): Allow reuse of structure return stack
1633 2006-09-20 Paul Brook <paul@codesourcery.com>
1635 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1638 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1640 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1641 clean up terminology.
1643 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1646 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1647 with tablejumps in them.
1649 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1652 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1653 wrap it into TARGET_EXPR.
1655 2006-09-20 Eric Christopher <echristo@apple.com>
1657 * config/i386/i386.c (x86_fisttp): Remove.
1658 * config/i386/i386.h (x86_fisttp): Ditto.
1659 (TARGET_FISTTP): Ditto.
1661 2006-09-19 Eric Christopher <echristo@apple.com>
1663 * doc/tm.texi (OBJC_JBLEN): Describe.
1664 * config/i386/darwin.h (OBJC_JBLEN): Define.
1665 * config/rs6000/darwin.h: Ditto.
1667 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1669 PR rtl-optimization/21299
1670 * reload1.c (reload): Purge invalid ASMs in the final pass.
1672 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1675 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1676 pointers as legitimate constants.
1678 2006-09-19 Paul Brook <paul@codesourcery.com>
1681 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1683 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1685 PR tree-optimization/28887
1686 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1687 component parts from the reference.
1688 (gather_memory_references_ref): Record the reference without the
1689 nonaddressable component parts.
1691 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1694 * c-opts.c (c_common_handle_option): Ignore the -std options
1695 if the input language is assembly.
1697 2006-09-17 Ira Rosen <irar@il.ibm.com>
1700 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1702 (ptr_ptr_may_alias_p): Likewise.
1703 (record_record_differ_p): New function.
1704 (base_object_differ_p): Call record_record_differ_p.
1706 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1709 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1710 away for the expr argument.
1712 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1715 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1716 before using it for dumping after vectorizing loops.
1718 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1719 Jack Howarth <howarth@bromo.med.uc.edu>
1722 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1723 skip on error_mark_node.
1724 (rs6000_darwin64_record_arg_recurse): Likewise.
1726 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1728 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1729 * doc/rtl.texi: Remove related documentation.
1731 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1733 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1736 2006-09-15 Jim Wilson <wilson@specifix.com>
1738 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1739 Handle symbol offsets same as they are handled in ia64_expand_move
1742 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1744 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1745 Add forgotten parameter to the fprintf call.
1747 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1749 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1751 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1753 * doc/contrib.texi: Add my entry.
1755 2006-09-15 Nick Clifton <nickc@redhat.com>
1757 * doc/md.texi (Processor pipeline description): Fix typo in
1758 example of how to use the absence_set directive and reword the
1759 description to make it slightly easier to read.
1761 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1763 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1764 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1765 expanding the number of iterations.
1766 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1768 * cfgrtl.c (emit_insn_at_entry): New function.
1769 * rtl.h (emit_insn_at_entry): Declare it.
1770 * integrate.c (emit_initial_value_sets): Use it.
1772 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1774 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1776 (struct loop_work and related VEC declarations): Delete.
1777 (bfin_dump_loops): Print out new member bad.
1778 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1779 (bfin_scan_loop): Don't recurse.
1780 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1781 loops. No longer need to update outer loops if the current one is
1782 found bad. Move some validitiy checks to bfin_discover_loop.
1783 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1784 but changed not to check for nesting. Also changed to use the new bad
1786 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1787 time. Use bitmap based test to discover loop nesting.
1789 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1791 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1794 2006-09-14 Richard Guenther <rguenther@suse.de>
1795 Kazu Hirata <kazu@codesourcery.com>
1797 PR middle-end/28884.
1798 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1799 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1800 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1801 with TARGET_FUNCTION_VALUE.
1803 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1806 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1808 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1810 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1813 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1816 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1819 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1821 * basic_block.h (bb_has_eh_pred): Fix comment.
1823 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1825 * flow.c (calculate_global_regs_live): Invalidate eh registers
1826 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1827 (propagate_block): Handle eh registers as if they were set at basic
1829 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1831 * global.c (global_conflicts): Make eh registers to conflict with
1832 pseudos live at basic block begin.
1833 * basic_block.h (bb_has_eh_pred): New function.
1835 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1837 PR rtl-optimization/28982
1838 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1839 index of a PRE_MODIFY or POST_MODIFY address.
1840 * reload1.c (inc_for_reload): Use find_replacement on the original
1841 base and index registers.
1843 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1845 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1846 for -Os. Update __m128 alignment requirement.
1848 2006-09-13 Jan Hubicka <jh@suse.cz>
1850 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1852 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1854 PR rtl-optimization/28243
1855 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1856 the insn to which the note was originally attached.
1858 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1859 Roger Sayle <roger@eyesopen.com>
1861 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1862 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1863 on platforms that don't use dwarf for debug info.
1865 2006-09-12 Jason Merrill <jason@redhat.com>
1868 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1869 hard_frame_pointer_rtx after using it to update the frame pointer.
1871 2006-09-12 Roger Sayle <roger@eyesopen.com>
1873 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1874 (TARGET_ASM_CLOSE_PAREN): Likewise.
1875 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1876 (TARGET_ASM_CLOSE_PAREN): Likewise.
1878 2006-09-12 Roger Sayle <roger@eyesopen.com>
1881 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1882 frame information for frames larger than 512 Kbytes on Tru64 when
1883 using the native assembler.
1885 2006-09-12 Roger Sayle <roger@eyesopen.com>
1889 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1890 and symbols. Instead use the implementation from cse.c's hash_rtx.
1892 2006-09-12 Jan Hubicka <jh@suse.cz>
1894 PR rtl-optimization/28071
1895 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1896 (vect_transform_loop): Likewise.
1897 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1898 (new_loop_vec_info): Likewise.
1899 (destroy_loop_vec_info): Likewise.
1900 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1901 (create_stmt_ann): Likewise.
1902 (create_tree_ann): Rename to ...
1903 (create_tree_common_ann): ... this one; allocate only the common part
1905 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1906 (get_value_handle): Likewise.
1907 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1908 get_tree_common_ann.
1909 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1910 (vinfo_for_stmt): Use stmt annotations.
1911 * tree-flow.h (tree_ann_common_t): New type.
1912 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1913 (tree_ann, get_tree_ann, create_tree_ann): New.
1914 * tree-flow-inline.h (get_function_ann): Do more type checking.
1915 (stmt_ann): Likewise.
1916 (tree_ann): Rename to ...
1917 (tree_common_ann): ... this one; return ony common_ann
1918 (get_tree_ann): Rename to ...
1919 (tree_common_ann): This one; return only common_ann.
1920 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1923 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1925 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1926 with_cpu by default.
1928 * dwarf2out.c (dwarf_file_data): New.
1929 (enum dw_val_class): Add dw_val_class_file.
1930 (struct dw_val_struct): Add val_file.
1931 (file_table): Change to a hash table.
1932 (file_table_emitted): Delete.
1933 (file_table_last_lookup_index): Delete.
1934 (emitcount): Delete.
1935 (last_emitted_file): New.
1936 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1937 (init_file_table): Delete.
1938 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1939 (AT_addr): Add comment.
1943 (print_die): Handle dw_val_class_file.
1944 (print_dwarf_line_table): Update for new file table structure.
1945 (attr_checksum): Do checksum a filename.
1946 (same_dw_val_p, same_attr_p): Do compare a filename.
1947 (size_of_die): Handle dw_val_class_file.
1948 (value_format): Likewise.
1949 (output_die): Likewise. Also, call maybe_emit_file here.
1950 (struct file_info): Constify filenames. Make file_idx a pointer
1951 to a struct dwarf_file_data.
1952 (struct dir_info): Constify directory names. Remove 'used' field.
1953 (struct file_name_acquire_data): New.
1954 (file_name_acquire): New.
1955 (output_file_names): Modify to handle new file data structures.
1956 (add_src_coords_attributes): Use add_AT_file.
1957 (add_call_src_coords_attributes): Likewise.
1958 (dwarf2out_imported_module_or_decl): Likewise.
1959 (gen_subprogram_die): Modify for new file data structures.
1960 (gen_variable_die): Likewise.
1961 (file_table_eq): New.
1962 (file_table_hash): New.
1963 (file_table_last_lookup): New.
1964 (lookup_filename): Rewrite to handle new file data structures.
1965 (maybe_emit_file): Rewrite to handle new file data structures.
1966 (dwarf2out_source_line): Always call lookup_filename and
1968 (dwarf2out_init): Create file_table here.
1969 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1970 (file_table_relative_p): New.
1971 (dwarf2out_finish): Change detection of relative filenames
1972 to work with new file data structures. Move output_line_info call
1973 after debug_info output.
1975 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1980 * config/i386/i386.c (override_options): Always default to 16
1981 byte stack boundary.
1983 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1986 * var-tracking.c (dump_dataflow_set): Start dumping at
1988 (clobber_variable_part): Kill only the variable part in
1989 registers holding it, leaving other variables alone.
1991 2006-09-11 Josh Triplett <josh@freedesktop.org>
1993 * doc/extend.texi (Other Builtins): Actually use the macro
1994 argument in the documentation example for
1995 __builtin_types_compatible_p.
1997 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1999 PR rtl-optimization/28726
2000 * sched-deps.c (sched_analyze_reg): New function extracted from...
2001 (sched_analyze_1): ...here. Call it to analyze references to
2002 registers. Treat again writes to a stack register as writing to the
2004 (sched_analyze_2): ...and here. Call it to analyze references to
2005 registers. Treat again reads of a stack register as reading the
2008 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2009 David Edelsohn <edelsohn@gnu.org>
2012 * config/rs6000/spe.md (frob_df_di): Remove %H.
2013 (frob_di_df): Remove %H. Change evmergelo to mr.
2014 (frob_di_df_2): Remove %H. Change evldd to two loads.
2016 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2018 * doc/cpp.texi: Fix names of charset options.
2020 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2023 * config/i386/i386.c (override_options): Use 128-bit
2024 stack boundary always for 64bits.
2026 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2028 PR rtl-optimization/28636
2029 * combine.c (force_to_mode): Test for side-effects before
2030 substituting by zero.
2031 (simplify_shift_const): Likewise for zero or other constants.
2033 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2036 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2039 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2042 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2043 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2044 returned by mode_for_size, rather than the mode of src itself,
2045 to choose between 32-bit and 64-bit patterns.
2046 (mips_mem_fits_mode_p): New function.
2047 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2048 that the size of the source matches the size of the destination.
2049 (mov_<store>l, mov_<store>r): Likewise.
2051 2006-09-10 Eric Christopher <echristo@apple.com>
2053 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2056 2006-09-09 Eric Christopher <echristo@apple.com>
2059 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2062 2006-09-09 Roger Sayle <roger@eyesopen.com>
2063 Nicolas Setton <setton@adacore.com>
2065 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2067 2006-09-10 Andreas Schwab <schwab@suse.de>
2069 * config/m68k/m68k.md (bungt_rev): New pattern.
2071 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2072 Dale Johannesen <dalej@apple.com>
2075 * regclass.c (struct reg_pref): Update documentation.
2076 (regclass): Set prefclass to NO_REGS if memory is the best option.
2077 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2079 2006-09-08 Eric Christopher <echristo@apple.com>
2081 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2082 * config/t-slibgcc-darwin: Support x86_64 multilib.
2083 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2084 Return 1 for x86_64-darwin.
2085 * config/i386/t-darwin: Add m64 multilib.
2086 (LIB2_SIDITI_CONV_FUNCS): Use.
2087 (LIB2FUNCS_EXTRA): Ditto.
2088 * config/i386/darwin.h: Support x86_64.
2089 * config/i386/i386.c (override_options): Turn on flag_pic
2090 for x86_64-darwin. Disable flag_omit_pointer.
2091 (get_pc_thunk_name): Assert !TARGET_64BIT.
2092 (legitimate_address_p): Disable machopic addressing for
2094 (legitimize_pic_address): Ditto.
2095 (ix86_expand_move): Ditto.
2096 (ix86_expand_call): Ditto.
2097 (machopic_output_stub): Ditto.
2098 * config/darwin.c (machopic_select_section): Support literal16.
2099 (machopic_select_rtx_section): Ditto.
2100 * config/darwin-sections.def: Ditto.
2101 * config/darwin-64.c: New.
2103 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2106 * c-tree.h (struct c_arg_info): Add pending_sizes.
2107 * c-parser.c (c_parser_parms_declarator,
2108 c_parser_parms_list_declarator): Initialize pending_sizes.
2109 * c-decl.c (get_parm_info): Initialize pending_sizes.
2110 (get_parm_info): Set pending_sizes.
2111 (grokdeclarator): Call put_pending_sizes for parameters for
2112 function definition only.
2114 2006-09-07 Jason Merrill <jason@redhat.com>
2117 * varasm.c (output_constant): Only strip actual no-op conversions.
2120 * config/i386/i386.c (override_options): Use 128-bit
2121 stack boundary if -msse.
2123 2006-09-07 Eric Christopher <echristo@apple.com>
2125 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2127 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2130 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2132 * dwarf2out.c: Remove strange characters from comment above
2133 dwarf2out_frame_debug_expr.
2135 2006-09-07 Eric Christopher <echristo@apple.com>
2137 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2138 * config/darwin.h: ... to here.
2140 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2142 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2144 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2145 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2147 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2148 TARGET_PARTIAL_FLAG_REG_STALL.
2149 (*ashldi3_cconly_rex64): Likewise.
2150 (*ashlsi3_cmp): Likewise.
2151 (*ashlsi3_cconly): Likewise.
2152 (*ashlsi3_cmp_zext): Likewise.
2153 (*ashlhi3_cmp): Likewise.
2154 (*ashlhi3_cconly): Likewise.
2155 (*ashlqi3_cmp): Likewise.
2156 (*ashlqi3_cconly): Likewise.
2157 (*ashrdi3_cmp_rex64): Likewise.
2158 (*ashrdi3_cconly_rex64): Likewise.
2159 (*ashrsi3_cmp): Likewise.
2160 (*ashrsi3_cconly): Likewise.
2161 (*ashrsi3_cmp_zext): Likewise.
2162 (*ashrhi3_cmp): Likewise.
2163 (*ashrhi3_cconly): Likewise.
2164 (*ashrqi3_cmp): Likewise.
2165 (*ashrqi3_cconly): Likewise.
2166 (*lshrdi3_cmp_rex64): Likewise.
2167 (*lshrdi3_cconly_rex64): Likewise.
2168 (*lshrsi3_cmp): Likewise.
2169 (*lshrsi3_cconly): Likewise.
2170 (*lshrsi3_cmp_zext): Likewise.
2171 (*lshrhi3_cmp): Likewise.
2172 (*lshrhi3_cconly): Likewise.
2173 (*lshrqi2_cmp): Likewise.
2174 (*lshrqi2_cconly): Likewise.
2176 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2179 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2180 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2181 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2182 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2183 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2184 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2185 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2186 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2187 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2188 implement only CC setting effects of shift instructions.
2190 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2192 * doc/contrib.texi: Add myself.
2194 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2197 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2198 was set by the user.
2200 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2203 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2204 (divsi_inv_m1): Use them.
2205 (UNSPEC_DIV_INV_TABLE): New constant.
2207 2006-09-06 James E Wilson <wilson@specifix.com>
2210 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2211 then call count_or_remove_death_notes.
2213 2006-09-06 Jason Merrill <jason@redhat.com>
2216 * tree-inline.c (copy_result_decl_to_var): New fn.
2217 (declare_return_variable): Use it. Call declare_inline_vars here.
2218 (expand_call_inline): Not here.
2220 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2222 * doc/contrib.texi: Update my entry.
2224 2006-09-06 Nick Clifton <nickc@redhat.com>
2226 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2228 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2231 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2232 (canonicalize_induction_variables): Likewise.
2233 (tree_unroll_loops_completely): Likewise.
2234 (tree_ssa_prefetch_arrays): Likewise.
2235 (remove_empty_loops): Likewise.
2236 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2237 TODO_cleanup_cfg instead of directly calling
2238 cleanup_tree_cfg_loop.
2239 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2241 (tree_unroll_loops_completely): Likewise.
2242 (remove_empty_loops): Likewise.
2243 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2244 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2245 of tree_ssa_unswitch_loops.
2246 (tree_ssa_loop_ivcanon): Use the return value of
2247 canonicalize_induction_variables.
2248 (tree_ssa_empty_loop): Use the return value of
2250 (tree_complete_unroll): Use the return value of
2251 tree_unroll_loops_completely.
2252 (tree_ssa_loop_prefetch): Use the return value of
2253 tree_ssa_prefetch_arrays.
2254 * passes.c (execute_todo): Before Cleanup CFG, set
2255 updating_used_alone and after cleanup CFG, call
2256 recalculate_used_alone.
2258 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2261 * tree-vect-transform.c (vectorizable_condition): Move the check
2262 for the type after the check for simple condition.
2264 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2265 Kaz Kojima <kkojima@gcc.gnu.org>
2268 * mode-switching.c (optimize_mode_switching): Make the destination
2269 block of an abnormal edge have no anticipatable mode. Don't
2270 insert mode switching code at the end of the source block of
2273 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2275 PR rtl-optimization/26847
2276 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2277 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2278 (simplify_plus_minus): Count n_constants while filling ops. Replace
2279 qsort with insertion sort. Before going through the array to simplify
2280 pairs, sort it. Delay early exit until after the first sort, exiting
2281 only if no swaps occurred. Simplify pairs in reversed order, without
2282 special-casing the first iteration. Pack ops after simplifying pairs.
2284 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2286 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2287 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2288 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2289 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2291 2006-09-05 Richard Guenther <rguenther@suse.de>
2293 PR tree-optimization/28900
2294 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2295 compound conditional before creating COND_EXPR condition.
2297 2006-09-05 Richard Guenther <rguenther@suse.de>
2299 PR tree-optimization/28905
2300 * tree-vrp.c (fix_equivalence_set): Manually implement
2301 !value_ranges_intersect_p to also handle symbolic ranges.
2303 2006-09-05 Richard Guenther <rguenther@suse.de>
2306 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2309 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2311 PR rtl-optimization/27616
2312 * cse.c (table_size): New static variable.
2313 (new_basic_block): Initialize it to 0.
2314 (remove_from_table): Decrement it.
2315 (insert): Increment it.
2316 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2317 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2318 fold_rtx_mem_1 if under the cap.
2319 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2320 the lookup of the equivalent expression and test for equality of the
2321 first operand of the equivalent expression before in turn looking up
2322 an equivalent constant for the second operand.
2324 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2327 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2328 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2329 pointer, instead of assuming it is possible to derive the
2330 correct args size from a call insn.
2332 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2335 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2336 (fold_builtin_mempcpy): Rename to...
2337 (fold_builtin_memory_op): ... this. Optimize one element copy
2339 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2341 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2342 (expand_builtin_memcpy, expand_builtin_mempcpy,
2343 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2344 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2345 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2346 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2348 2006-09-01 DJ Delorie <dj@redhat.com>
2350 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2351 (stzx_16): Likewise.
2352 ("stzx_24_<mode>"): Likewise.
2353 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2354 ("cmp<mode>_op"): New.
2355 (cmp<mode>): Change to expander; just save operands.
2357 (b<code>): Change to expander, emit compare here.
2358 (s<code>_op): Change to use split and expander.
2359 (s<code>_24_op): Likewise.
2360 (s<code>_<mode>): New.
2361 (s<code>_<mode>_24): New.
2362 (movqicc_<code>_<mode): New.
2363 (movhicc_<code>_<mode>): New.
2366 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2367 (m32c_pend_compare): New.
2368 (m32c_unpend_compare): New.
2369 (m32c_expand_scc): New.
2370 (m32c_expand_movcc): Emit the compare also.
2371 * config/m32c/predicates.md (mra_nopp_operand): New.
2373 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2374 Richard Guenther <rguenther@suse.de>
2375 Adam Nemet <anemet@caviumnetworks.com>
2378 * builtins.c (get_pointer_alignment): Handle more forms
2379 of base addresses that can be used to derive more precise
2380 information about alignment.
2382 2006-09-01 Jason Merrill <jason@redhat.com>
2385 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2388 * gimplify.c (voidify_wrapper_expr): Handle null type.
2390 2006-09-01 Josh Conner <jconner@apple.com>
2393 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2394 (execute_return_slot_opt): Use it.
2396 2006-08-31 Josh Conner <jconner@apple.com>
2399 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2400 returning aggregates.
2402 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2404 PR tree-optimization/28839
2405 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2406 blocks in that phi arguments appear.
2408 2006-08-31 Roger Sayle <roger@eyesopen.com>
2411 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2412 NULL, otherwise use an advance_loc4 to adjust relative to the
2414 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2415 (dwarf2out_switch_text_section): Reset the current label to avoid
2416 using advance_loc4 over section boundaries.
2418 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2421 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2422 r12 + SYMBOLIC_CONST.
2424 2006-08-30 Richard Guenther <rguenther@suse.de>
2426 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2428 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2430 PR rtl-optimization/27735
2431 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2432 Add new argument to keep track of whether an irreducible region
2433 was affected. All callers changed.
2434 (fix_irreducible_loops): Removed.
2435 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2436 flags were invalidated.
2438 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2440 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2441 instead of SF operands.
2442 (*fop_df_comm_sse): Likewise.
2443 (*fop_df_comm_i387): Likewise.
2444 (*fop_df_1_mixed): Likewise.
2445 (*fop_df_1_sse): Likewise.
2447 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2448 J"orn Rennecke <joern.rennecke@st.com>
2450 PR tree-optimization/17506
2451 * tree-ssa.c (warn_uninit): If warning about a location outside of
2452 the current function, note where the variable was declared.
2454 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2456 PR tree-optimization/28411
2457 * double-int.c (double_int_div): Use double_int_divmod.
2458 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2459 double_int_mod, double_int_smod, double_int_umod): New functions.
2460 * double-int.h (double_int_divmod, double_int_sdivmod,
2461 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2463 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2465 (get_computation_aff, get_computation_cost_at): Handle double_int
2466 return type of constant_multiple_of.
2468 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2471 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2472 an implicit conversion.
2474 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2476 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2478 2006-08-27 Roger Sayle <roger@eyesopen.com>
2480 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2483 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2485 * config/i386/crtfastmath.c: Fix a comment typo.
2487 2006-08-26 Roger Sayle <roger@eyesopen.com>
2489 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2490 temporary visit flags on CASE_LABEL_EXPRs.
2491 * c-common.c (match_case_to_enum): Add function comment. Avoid
2492 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2493 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2494 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2495 a constant, only warn if that constant value isn't handled.
2497 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2500 * input.h (restore_input_file_stack): Declare.
2501 (INPUT_FILE_STACK_BITS): Define.
2502 * toplev.c (fs_p, input_file_stack_history,
2503 input_file_stack_restored, restore_input_file_stack): New.
2504 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2505 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2506 (pop_srcloc): Don't free old state of stack.
2508 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2511 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2512 (PowerPC Type Attributes): New.
2514 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2516 * config/xtensa/xtensa.c (function_arg_boundary): New.
2517 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2519 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2520 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2522 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2525 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2528 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2530 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2531 (verify_local_live_at_start): Likewise.
2533 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2536 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2537 omp_add_variable): Treat sizes as variable whenever not
2540 2006-08-26 Richard Guenther <rguenther@suse.de>
2543 * fold-const.c (fold_binary): Fold temporary to correct
2544 type before constructing new comparison.
2546 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2549 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2550 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2552 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2555 * c-decl.c (start_function): Don't try to process prototype
2556 information from old declaration that isn't a function.
2558 2006-08-25 Jan Hubicka <jh@suse.cz>
2561 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2563 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2566 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2569 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2571 PR tree-optimization/16876
2572 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2573 exit if PARM doesn't match VALUE.
2575 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2577 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2578 literal_prefix directive.
2579 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2580 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2581 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2583 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2586 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2587 predicate to general_operand. Add 0->y and I->r alternatives.
2589 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2591 * doc/tm.texi: Fix a typo.
2592 * predict.c: Fix comment typos.
2594 2006-08-25 Nick Clifton <nickc@redhat.com>
2596 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2597 assertions of "cpu" and "machine".
2599 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2602 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2603 the access through a base which has an alias set of 0 cannot
2606 2006-08-24 Bill Wendling <wendling@apple.com>
2608 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2610 2006-08-24 Jan Hubicka <jh@suse.cz>
2612 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2614 2006-08-24 Jan Hubicka <jh@suse.cz>
2617 * cgraph.c: Fix comments.
2618 (cgraph_varpool_mark_needed_node): Mark only variables not already
2620 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2621 (cgraph_varpool_assembled_nodes_queue): New static variable.
2622 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2623 (cgraph_varpool_output_debug_info): New function.
2624 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2625 * Makefile.in: Add gt-cgraphunit.h
2627 2006-08-24 Jan Hubicka <jh@suse.cz>
2629 * predict.c (probability_reliable_p): New predicate.
2630 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2631 (predict_loops): Do not predict loop exit with less than 2%
2633 * basic-block.h (edge_probability_reliable_p,
2634 br_prob_note_reliable_p): Declare.
2635 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2636 prediction when static predictor is not reliable.
2637 * rs6000.c (output_cbranch): Likewise.
2639 2006-08-23 Stuart Hastings <stuart@apple.com>
2642 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2643 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2645 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2648 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2649 complex values, nor for generic vector values.
2651 2006-08-22 Richard Guenther <rguenther@suse.de>
2654 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2655 parameter. Convert arguments to arithmetic expression to the
2657 (analyze_scalar_evolution_1): Adjust caller.
2659 2006-08-22 Jan Hubicka <jh@suse.cz>
2661 Patch by Paolo Bonzini
2662 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2665 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2667 PR tree-optimization/28003
2668 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2669 before grouping aliases.
2671 2006-08-22 Roger Sayle <roger@eyesopen.com>
2673 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2674 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2676 2006-08-21 Jason Merrill <jason@redhat.com>
2679 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2680 wrapper. Loop to handle nested wrappers.
2681 (gimplify_bind_expr): Remove temp parameter.
2682 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2683 and STATEMENT_LIST on the rhs.
2684 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2685 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2686 (gimplify_target_expr): Remove special BIND_EXPR handling.
2688 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2690 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2693 2006-08-21 Olivier Hainque <hainque@adacore.com>
2695 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2696 Arrange for the temporary captures of components overlapping the lhs
2697 to happen before the lhs is possibly cleared.
2699 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2701 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2702 necessary places to pass the correct "number of registers" values
2705 2006-08-20 Jan Hubicka <jh@suse.cz>
2707 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2708 (create_name_tags): Instead of quadratic checking use hashtable.
2709 * bitmap.h: Include hashtab.h.
2710 (bitmap_hash): Declare.
2711 * bitmap.c (bitmap_hash): New function.
2713 2006-08-20 Jan Hubicka <jh@suse.cz>
2715 PR rtl-optimization/28071
2716 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2718 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2719 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2720 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2721 cgraph_decide_inlining_incrementally): Update use of
2722 cgraph_check_inline_limits.
2723 * cgraph.c (edge_hash, edge_eq): New function.
2724 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2725 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2726 cgraph_remove_node): Maintain call site hash.
2727 * cgraph.h (struct cgraph_node): Add call_site_hash.
2728 (cgraph_set_call_stmt): New function.
2730 2006-08-20 Jan Hubicka <jh@suse.cz>
2732 PR rtl-optimization/28071
2733 * reload1.c (reg_has_output_reload): Turn into regset.
2734 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2735 choose_reload_regs, emit_reload_insns): Update to new
2736 reg_has_output_reload.
2738 2006-08-20 Jan Hubicka <jh@suse.cz>
2741 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2742 function body sizes.
2743 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2745 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2748 * tree.c (handle_dll_attribute): Return early if not a
2749 var or function decl.
2751 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2754 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2755 alignment of SPE vector types.
2757 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2759 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2761 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2764 * cgraph.h (struct cgraph_node): Remove externally_visible
2766 * cgraphunit.c (process_function_and_variable_attributes): Set
2767 local.externally_visible rather than externally_visible.
2770 * c-common.c (handle_externally_visible_attribute): First look
2771 at TREE_CODE and only if it is function or var decl, check for
2772 non-public objects. Don't warn for DECL_EXTERNAL.
2773 * cgraphunit.c (process_function_and_variable_attributes): Warn
2774 if externally_visible attribute is used on non-public object.
2776 2006-08-17 Jan Hubicka <jh@suse.cz>
2778 PR tree-optimization/27865
2779 * reload1.c (forget_marked_reloads): New function.
2780 (forget_old_reloads_1): When data are passed, just mark the registers
2782 (reload_as_needed): Use the new mechanizm.
2784 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2787 * reload.h (reg_equiv_alt_mem_list): New declaration.
2788 * reload1.c (reg_equiv_alt_mem_list): New definition.
2789 (reload): Initialize it and release it.
2790 (delete_output_reload): Use it.
2791 * reload.c (push_reg_equiv_alt_mem): New function.
2792 (find_reloads_toplev): Call it.
2793 (find_reloads_address, find_reloads_address_1): Likewise.
2794 (find_reloads_subreg_address): Likewise.
2796 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2798 PR rtl-optimization/28489
2799 * sched-ebb.c (begin_schedule_ready): Create basic block
2801 (advance_target_bb): Skip empty blocks.
2802 * haifa-sched.c (bb_note): Make global.
2803 * sched-int.h (bb_note): Add prototype.
2805 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2807 PR tree-optimization/27865
2808 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2810 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2811 fold_used_pointer, pointer_used_p): New functions.
2812 (analyze_scalar_evolution_1): Use fold_used_pointer.
2813 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2814 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2817 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2820 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2821 or the INTEGER_CST. Fail on a CALL_EXPR.
2822 (fold_offsetof): Pass new argument to fold_offsetof_1.
2823 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2824 operand into an INDIRECT_REF.
2825 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2827 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2829 PR gcov/profile/26570
2830 * value-prof.c (static_values): Removed.
2831 (tree_find_values_to_profile): Do not set static_values.
2832 (find_values_to_profile): Do not free static_values.
2833 * profile.c (instrument_values): Do not free the values.
2834 (branch_prob): Free the values.
2836 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2838 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2840 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2843 * c-typeck.c (build_component_ref): Combine qualifiers of
2844 structure or union and field.
2846 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2848 PR rtl-optimization/28071
2849 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2850 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2851 * tree-into-ssa.c (struct dom_dfsnum): New.
2852 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2854 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2855 compute_global_livein.
2856 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2857 in phi nodes in the correct blocks.
2859 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2861 PR tree-optimization/28364
2862 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2864 (fold_affine_expr): New function.
2865 (may_eliminate_iv): Use fold_affine_expr.
2867 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2870 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2873 2006-08-16 Mike Stump <mrs@apple.com>
2875 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2876 * doc/cppopts.texi (-MD): Likewise.
2878 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2881 * c-common.c (handle_weak_attribute): Ignore and warn if
2882 not a FUNCTION_ or VAR_DECL.
2884 2006-07-15 Mike Stump <mrs@apple.com>
2887 * c-parser.c (c_parser_typeof_specifier): Don't use
2888 c_finish_expr_stmt, open code desired semantics instead.
2890 2006-08-15 Nick Clifton <nickc@redhat.com>
2892 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2893 fragment to tmake_file only if threads are enabled.
2894 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2895 * config/i386/t-gthr-win32: New file. ... here.
2897 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2900 * c-parser.c (c_parser_compound_statement_nostart): Reset
2901 parser->error after each statement.
2903 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2906 * omp-low.c (lower_omp_parallel): Convert t to
2907 receiver_decl's type.
2908 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2909 source before comparison.
2912 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2913 to itype in assignment to oldival2.
2915 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2919 * c-typeck.c (build_compound_expr): If the second expression
2920 is an error mark, then just return an error mark instead of
2921 creating a COMPOUND_EXPR.
2923 2006-07-14 Mike Stump <mrs@apple.com>
2925 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2927 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2929 * c-decl.c, var-tracking.c: Fix comment typos.
2931 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2933 PR rtl-optimization/28634
2934 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2935 for floating-point modes unless flag_unsafe_math_optimizations.
2937 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2938 Andrew Pinski <pinskia@physics.uc.edu>
2941 * tree.c (build_array_type): Unify array types with
2942 unspecified index_type.
2943 * c-decl.c (grokdeclarator): Make sure we do not modify a
2944 unified incomplete array type.
2945 * c-typeck.c (store_init_value): Create distinct type before
2946 filling in the index type in an initializer from a compound
2949 * c-decl.c (grokdeclarator): Remove code where we copy the
2952 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2954 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2955 into account for TODO_dump_cgraph.
2956 (TODO_update_ssa_no_phi): Likewise.
2957 (TODO_update_ssa_full_phi): Likewise.
2958 (TODO_update_ssa_only_virtuals): Likewise.
2959 (TODO_remove_unused_locals): Likewise.
2960 (TODO_set_props): Likewise.
2961 (TODO_update_stmt_usage): Likewise.
2963 2006-08-13 Dirk Mueller <dmueller@suse.de>
2965 * c-common.c (strict_aliasing_warning): Fix formatting.
2967 2006-08-13 Matthias Klose <doko@debian.org>
2969 * doc/invoke.texi: Fix spelling errors.
2971 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2973 PR rtl-optimization/23454
2974 * reorg.c (relax_delay_slots): Update comment.
2976 2006-08-11 Richard Guenther <rguenther@suse.de>
2979 * simplify-rtx.c (simplify_const_relational_operation):
2980 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2983 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2985 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2986 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2988 2006-08-10 Paul Brook <paul@codesourcery.com>
2990 * final.c (final_scan_insn): Clear current_insn_predicate before
2991 outputting inline asm.
2993 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2995 PR tree-optimization/26197
2996 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2997 get_ref_base_and_extent and overlap_subvar to add only relevant
2998 subvars as may-aliases.
2999 (add_may_alias_for_new_tag): New function, factored out of
3001 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3002 with additional argument.
3003 * tree-flow.h (new_type_alias): Takes additional argument.
3005 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3007 * gcov.c (no_data_file): New flag.
3008 (read_count_file): Set it if data file not present. Assume counts
3010 (output_lines): Don't name the data file, if there wasn't one.
3012 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3014 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3015 (rs6000_generate_compare): Tweak comments.
3016 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3018 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3020 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3021 (var_debug_decl): New function.
3022 (var_reg_set): Follow debug decl link. Add location even if
3023 reg is already known to hold some other variable.
3024 (var_mem_set): Follow debug decl link.
3025 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3026 decl link. Delete other known locations of the variable part
3028 (var_reg_delete, var_mem_delete): Delete other known locations
3029 of the variable part if requested.
3030 (same_variable_part_p): New function.
3031 (add_stores): Select MO_COPY when appropriate.
3032 (vt_initialize): Handle it.
3033 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3034 known locations for MO_SET and MO_CLOBBER.
3035 (find_variable_location_part): New function.
3036 (set_variable_part, delete_variable_part): Use it.
3037 (clobber_variable_part): New function.
3038 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3041 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3043 PR tree-optimization/26969
3044 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3045 with an empty list of PHIs.
3047 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3051 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3054 2006-08-06 Andreas Schwab <schwab@suse.de>
3056 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3057 string. Whitespace and comment fixup.
3059 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3062 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3066 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3069 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3071 2006-08-04 Jan Hubicka <jh@suse.cz>
3075 * reload.c (push_reload): Patch out the mismatching instruction;
3077 (find_reload): Bail out if the instruction was patched out.
3079 2006-08-04 Jan Hubicka <jh@suse.cz>
3081 PR tree-optimization/24888
3082 * tree-inline.c (expand_call_inline): Do not re-record variables.
3083 (declare_inline_vars): Add variable to unexpanded_var_list.
3085 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3086 Roger Sayle <roger@eyesopen.com>
3088 PR rtl-optimization/26244
3089 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3090 inner_const are negative or greater than or equal to the bitsize of
3091 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3092 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3093 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3094 CONST0_RTX (mode) when the new shift count is greater than or equal to
3095 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3098 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3100 * tree-cfg.c: Fix a comment typo.
3102 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3105 * varasm.c (output_constant): Give the front end another chance to
3106 expand constants, after stripping NOPs.
3108 2006-08-03 Jan Hubicka <jh@suse.cz>
3110 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3113 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3115 PR tree-optimization/27770
3116 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3117 declaration removed (moved to tree-flow.h).
3118 (vect_can_force_dr_alignment_p): Likewise.
3119 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3120 (moved from tree-vectorizer.h).
3121 (vect_can_force_dr_alignment_p): Likewise.
3122 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3123 from outside the vectorizer - in particular from cgraph stage.
3124 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3125 the alignment of global arrays when -fsection-anchors is enabled.
3126 * cgraphunit.c (cgraph_increase_alignment): New function.
3127 (cgraph_optimize): Call cgraph_increase_alignment.
3129 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3132 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3133 not reload a SPE symbol_ref into a lo_sum address.
3135 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3138 * dwarf2out.c (prune_unused_types_prune): Move call to
3139 prune_unused_types_update_strings to cover the parent DIE also.
3141 2006-08-02 Jan Hubicka <jh@suse.cz>
3143 PR gcov/profile/28480
3144 * tree-cfg.c (change_bb_for_stmt): New function.
3145 (tree_merge_blocks, tree_split_blocks): Use it.
3147 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3153 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3154 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3155 (cgraph_optimize): Likewise.
3157 2006-08-01 Stuart Hastings <stuart@apple.com>
3159 * rtl.h (UINTVAL) New.
3160 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3161 * testsuite/gcc.dg/20060801-1.c: New.
3163 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3166 * c-typeck.c (build_external_type): Mark used enum types.
3167 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3169 (gen_subprogram_die): Whitespace fix.
3171 2006-08-01 Jan Hubicka <jh@suse.cz>
3173 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3174 bitmap when not needed.
3175 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3178 2006-08-01 Dirk Mueller <dmueller@suse.de>
3180 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3182 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3184 * Makefile.in: Revert part of previous patch:
3185 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3188 2006-07-30 Eric Christopher <echristo@apple.com>
3191 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3192 (PowerPC Variable Attributes): New section.
3194 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3196 PR target/28126 (partial fix)
3197 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3199 2006-07-28 Jan Hubicka <jh@suse.cz>
3201 PR rtl-optimization/28071
3202 * cfgrtl.c (rtl_delete_block): Free regsets.
3203 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3205 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3207 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3208 and variables used in dependencies.
3210 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3212 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3213 %fs for -mcmodel=kernel.
3214 (stack_tls_protect_test_di): Likewise.
3216 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3218 * Makefile.in: Use mkinstalldirs.
3220 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3223 * opts-common.c (prune_options): Skip joined switches.
3225 2006-07-27 Jan Hubicka <jh@suse.cz>
3227 PR rtl-optimization/28071
3228 * cselib.c (cselib_process_insn): Don't remove useless values too
3229 often for very large hashtables.
3231 2006-07-27 Jan Hubicka <jh@suse.cz>
3233 PR rtl-optimization/28071
3234 * global.c (greg_obstack): New obstack.
3235 (allocate_bb_info): Use it.
3236 (free_bb_info): Likewise.
3237 (modify_reg_pav): Likewise.
3239 2006-07-27 Roger Sayle <roger@eyesopen.com>
3241 * builtins.c (fold_fixed_mathfn): When long and long long are the
3242 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3243 functions to their lceil*, lfloor*, lround* and lrint* forms.
3245 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3248 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3250 (rev_branch_insn): Likewise.
3252 2006-07-27 Jan Hubicka <jh@suse.cz>
3254 PR rtl-optimization/28071
3255 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3256 (reg_set_in_bb, max_reg_computed): New static variables.
3257 (regmove_optimize): Free the new array.
3258 (fixup_match_1): Update call of reg_is_remote_constant_p.
3260 2006-07-26 Jan Hubicka <jh@suse.cz>
3262 PR tree-optimization/27882
3263 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3265 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3267 (cgraph_analyze_compilation_unit): Likewise.
3268 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3269 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3270 (cgraph_early_inlinine): Make order garbage collected.
3271 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3273 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3275 * dbxout.c (output_types_sort): Add a comment.
3276 (output_used_types): Free the VEC.
3278 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3280 * function.c (reorder_fix_fragments): Delete.
3281 (reorder_blocks): Don't call it.
3282 (reorder_blocks_1): Put all subblocks under the origin block.
3284 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3286 PR rtl-optimization/27907
3287 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3290 2006-07-25 Roger Sayle <roger@eyesopen.com>
3293 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3294 bar(x) check that bar's result type can represent all the values of T.
3296 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3298 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3300 2006-07-25 Nick Clifton <nickc@redhat.com>
3302 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3303 size_lookup[] array.
3304 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3305 (ggc_pch_count_object): Likewise.
3306 (ggc_pch_alloc_object): Likewise.
3307 (ggc_pch_write_object): Likewise.
3308 (init_ggc): Do not attempt to initialize entries in the
3309 size_lookup[] array for objects whose size is greater than than
3310 the length of the array.
3312 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3314 * dbxout.c (output_used_types_helper): Push queued types
3316 (output_types_sort): New.
3317 (output_used_types): Collect used types on a VEC and sort them
3320 2006-07-24 Richard Guenther <rguenther@suse.de>
3323 * cgraph.c (cgraph_remove_node): Do not check if dumps
3325 * cgraphunit.c (cgraph_optimize): Likewise.
3327 2006-07-24 Jan Hubicka <jh@suse.cz>
3329 PR rtl-optimization/28071
3330 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3331 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3332 splitting before first stmt.
3334 2006-07-24 Jan Hubicka <jh@suse.cz>
3336 PR rtl-optimization/28071
3337 * ipa-inline.c (update_caller_keys): Remove edges that
3338 are no longer inline candidates.
3340 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3343 * dbxout.c (output_used_types_helper, output_used_types): New.
3344 (dbxout_symbol): Call output_used_types.
3346 2006-07-23 Jan Hubicka <jh@suse.cz>
3350 * cgraph.c (cgraph_varpool_nodes): Export.
3351 (decide_is_variable_needed): Ignored "used" attribute in
3352 unit-at-a-time mode.
3353 * cgraph.h (cgraph_varpool_nodes): Declare.
3354 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3355 unit-at-a-time mode.
3357 2006-07-23 Roger Sayle <roger@eyesopen.com>
3360 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3361 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3362 the __gthrw form of thr_keycreate.
3363 (__gthread_key_delete): Silence the unused argument warning.
3365 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3368 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3369 Cache the last found '\0' marker to avoid quadratic behavior.
3371 2006-07-23 Jan Hubicka <jh@suse.cz>
3373 * i386.md (subsi_3_zext): Fix output template.
3375 2006-07-21 Mike Stump <mrs@apple.com>
3377 * doc/invoke.texi (C++ Dialect Options): Note that
3378 -fvisibility-inlines-hidden doesn't affect explicitly
3379 instantiationed inline methods.
3381 2006-07-20 Roger Sayle <roger@eyesopen.com>
3383 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3384 if the target assembler is GNU binutils' gas.
3385 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3386 whether to pass GNU gas or native as command line options.
3388 2006-07-20 Jason Merrill <jason@redhat.com>
3390 * tree.c (remove_attribute): New fn.
3391 * tree.h: Declare it.
3393 2006-07-20 Paul Brook <paul@codesourcery.com>
3396 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3397 they are invalidated by this instruction.
3399 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3402 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3404 2006-07-20 Eric Christopher <echristo@apple.com>
3407 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3409 2006-07-19 Eric Christopher <echristo@apple.com>
3411 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3412 Rewrite dependencies for libgcc_s.1.dylib.
3414 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3416 * except.c (duplicate_eh_regions_1): Clear next_peer.
3418 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3420 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3421 -mlongcall does not guarantee all calls will be long.
3422 * doc/extend.texi (long_call/short_call): Document that longcall
3423 does not guarantee a long call will be used.
3424 (longcall/shortcall): Likewise.
3426 2006-07-18 Roger Sayle <roger@eyesopen.com>
3429 * expmed.c (expand_shift): Additionally check that the shift_cost
3430 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3431 before implementing a LSHIFT_EXPR as a sequence of additions.
3432 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3433 middle-end that DImode shifts need to be synthesized by expand.
3435 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3438 * tree-ssa-operands.c (access_can_touch_variable): Update
3440 Return true if ALIAS is .GLOBAL_VAR.
3442 2006-07-18 David Daney <ddaney@avtrex.com>
3444 * gcc.c (display_help): Fix typo in help text.
3446 2006-07-18 Olivier Hainque <hainque@adacore.com>
3448 * tree.h (categorize_ctor_elements): Adjust prototype and add
3449 descriptive comment, both in accordance with the interface change
3451 * varasm.c (constructor_static_from_elts_p): New function.
3452 Whether a constructor node is a valid static constant initializer
3453 if all its elements are.
3454 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3455 * output.h: Declare it.
3456 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3457 is a valid constant initializer instead of computing the number of
3458 non-constant elements. Use constructor_static_from_elts_p for this
3459 purpose. Replace the head comment with an indication that this is a
3460 helper for categorize_ctor_elements.
3461 (categorize_ctor_elements): Same interface change as for the _1
3462 helper. Former head comment from this helper moved here, adjusted to
3463 account for the interface changes.
3464 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3465 (all_zeros_p): Likewise.
3466 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3467 static versions of the constructor from the categorize_ctor_elements
3468 return value instead of the formerly computed number of non-constant
3471 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3473 * configure: Regenerate.
3474 * Makefile.in (build_libsubdir): New configure substitution
3475 (build_libobjdir): New variable.
3476 (BUILD_LIBIBERTY): Use it.
3478 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3481 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3483 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3486 * c-common.c (handle_weakref_attribute): Ignore attribute in
3487 the same conditions the alias attribute is ignored.
3489 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3491 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3492 (dbxout_begin_prologue): Increment scope_labelno.
3494 2006-07-17 Richard Henderson <rth@redhat.com>
3497 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3500 2006-07-17 Roger Sayle <roger@eyesopen.com>
3501 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3503 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3504 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3505 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3506 functions such as sbrk, write, etc.. Add function prototypes.
3507 Convert function declarations from K&R to ISO C. Cast pointers
3508 to "long" and "unsigned long" instead of "int" and "unsigned int".
3509 Convert tokens following #endif into comments.
3511 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3513 * invoke.texi: Remove mention of f77; Reformat table for
3514 inline parameter options correctly; mention that -malign-double
3515 is default on x86-64 targets.
3517 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3519 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3520 (convert_affine_scev, chrec_convert_aggressive): Use
3521 avoid_arithmetics_in_type_p. Do not check for the subtypes
3524 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3527 * optabs.c (expand_doubleword_shift): Wrap the call to
3528 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3530 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3533 * optabs.c (expand_binop): Pass next_methods rather than methods
3534 to expand_doubleword_shift.
3536 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3539 * tree.h (dump_addr): Declare.
3540 * print-tree.c (dump_addr): New function.
3541 (print_node_brief, print_node): Use it.
3542 * print-rtl.c (print_rtx): Likewise.
3543 * common.opt (-fdump-noaddr): New option.
3544 * doc/invoke.texi (-fdump-noaddr): Document.
3545 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3546 (ve_info_hash): Likewise.
3548 2006-07-13 Andrew Haley <aph@redhat.com>
3550 PR tree-optimization/19505
3551 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3552 edge leaving this block, make sure that the destination of this
3553 block has only one predecessor.
3555 2006-07-17 Richard Guenther <rguenther@suse.de>
3557 PR tree-optimization/28238
3558 * tree-inline.c (copy_bb): Check if we produced valid
3559 gimple copying and substituting a stmt. If not, gimplify
3562 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3564 * optabs.c (maybe_encapsulate_block): New function extracted from...
3565 (emit_libcall_block): ...here. Invoke it on the block of insns to
3566 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3567 (emit_no_conflict_block): Likewise.
3569 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3571 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3573 2006-07-15 Roger Sayle <roger@eyesopen.com>
3575 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3576 a new NOP_EXPR case of the switch statement.
3578 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3581 * stor-layout.c (place_field): Take the bit field with
3582 an excessive size into account in the ms-bitfiled case.
3585 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3586 the previous bit field.
3588 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3591 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3593 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3595 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3596 signal frames correctly even when the signal was installed with
3599 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3601 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3602 (dbxout_function_end): Use local label LFBB. Remove hook
3604 (dbxout_source_line): Use local label LFBB.
3605 (dbxout_block): Likewise.
3606 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3607 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3608 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3609 and DBX_OUTPUT_NFUN.
3611 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3613 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3615 2006-07-13 Jan Hubicka <jh@suse.cz>
3617 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3619 * output.h (align_variable): Declare.
3620 * varasm.c (align_variable): Export.
3621 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3622 when basic block changed.
3624 2006-07-13 Nick Clifton <nickc@redhat.com>
3626 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3627 walking the LOG_LINKS chain.
3629 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3631 * doc/invoke.texi (C++ Dialect Options): Explain difference
3632 between -fvisibility-inlines-hidden and setting hidden
3633 visibility explicitly.
3635 2006-07-12 Eric Christopher <echristo@apple.com>
3637 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3638 (stmp-lipo): Depend on libgcc.a.
3640 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3642 * tree.c: Fix a comment typo.
3644 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3646 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3648 (umulhisi3_r): Likewise.
3650 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3653 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3654 x < 19, vs wchar_t support.
3656 2006-07-12 Nick Clifton <nickc@redhat.com>
3658 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3659 instead of -isa=sh4.
3661 2006-07-12 Mike Stump <mrs@apple.com>
3663 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3665 2006-07-10 Eric Christopher <echristo@apple.com>
3667 * config/t-slibgcc-darwin: Rewrite.
3669 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3672 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3675 2006-07-08 Matthias Klose <doko@debian.org>
3677 * doc/sourcebuild.texi: Fix typo.
3679 2006-07-07 Mike Stump <mrs@apple.com>
3681 * toplev.c (process_options): Don't give -ffunction-sections may
3682 affect debugging warning for Mach-O.
3684 2006-07-07 James E Wilson <wilson@specifix.com>
3686 * config/mips/mips.md (cpu): Add sb1a.
3687 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3688 addition to sb1. Adjust comments to clarify SB-1A differences from
3690 (ir_sb1a_load): New. Modify bypasses to use it.
3691 (ir_sb1a_simple_alu): Likewise.
3692 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3693 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3694 (mips_issue_rate): Add PROCESSOR_SB1A.
3695 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3696 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3697 (TARGET_SB1): Add PROCESSOR_SB1A check.
3698 (TUNE_SB1): Likewise.
3700 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3701 * config/mips/mips.c (mips_store_data_bypass_p): New.
3702 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3703 store_data_bypass_p.
3705 2006-07-08 Paul Brook <paul@codesourcery.com>
3708 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3710 2006-07-07 Richard Guenther <rguenther@suse.de>
3713 * tree.h (build_one_cst): Declare.
3714 * tree.c (build_one_cst): New function.
3715 * tree-ssa-math-opts.c (get_constant_one): Remove.
3716 (insert_reciprocals): Use build_one_cst.
3717 * fold-const.c (fold_plusminus_mult): Likewise.
3719 2006-07-07 Roger Sayle <roger@eyesopen.com>
3721 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3722 * cfgloopanal.c (dump_graph): Likewise.
3723 * dojump.c (discard_pending_stack_adjust): Likewise.
3724 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3726 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3727 * function.c (finalize_block_changes): Likewise.
3728 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3729 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3730 * rtl.c (dump_rtx_statistics): Likewise.
3731 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3733 * varray.c (dump_varray_statistics): Likewise.
3734 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3735 decode_decimal64, encode_decimal128, decode_decimal128,
3736 decimal_real_to_decimal): Likewise.
3738 2006-07-07 Richard Guenther <rguenther@suse.de>
3740 PR tree-optimization/28187
3741 * tree-vrp.c (vrp_operand_equal_p): New function.
3742 (vrp_bitmap_equal_p): Likewise.
3743 (update_value_range): Use them to compare old and new
3746 2006-07-06 Roger Sayle <roger@eyesopen.com>
3748 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3749 a default case to switch statement to silence compiler warnings.
3751 2006-07-06 Roger Sayle <roger@eyesopen.com>
3754 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3755 the configured assembler supports the x87's ffreep mnemonic.
3756 * configure: Regenerate.
3757 * config.in: Regenerate.
3759 * config/i386/i386.c (output_387_ffreep): New function.
3760 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3761 (output_387_reg_move): Likewise.
3763 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3765 Port to hosts whose 'sort' and 'tail' implementations
3766 treat operands with leading '+' as file names, as POSIX
3767 has required since 2001. However, make sure the code still
3768 works on pre-POSIX hosts.
3769 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3770 which says you should use "tail -c +N" rather than "tail +Nc".
3771 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3773 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3775 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3778 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3781 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3782 PRE_{INC,DEC} of TFmode.
3784 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3785 Alan Modra <amodra@bigpond.net.au>
3788 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3791 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3794 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3795 Remove duplicate gtu.
3797 2006-07-05 Jason Merrill <jason@redhat.com>
3801 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3802 * c-common.c (handle_packed_attribute): So don't copy it here.
3803 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3805 2006-07-05 Mike Stump <mrs@apple.com>
3807 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3809 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3812 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3814 2006-07-05 Richard Guenther <rguenther@suse.de>
3817 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3818 TARGET_SSE2 targets if using SSE math.
3819 (*absdf2_1): Likewise.
3821 2006-07-05 Richard Guenther <rguenther@suse.de>
3823 PR tree-optimization/28162
3824 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3825 make sure to convert the operands to the correct type.
3827 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3829 PR tree-optimization/28218
3831 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3832 to calculate and free the dominator information.
3834 2006-07-04 Peter O'Gorman <peter@pogma.com>
3836 * mklibgcc.in: chmod 644 before ranlib during install.
3838 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3839 J"orn Rennecke <joern.rennecke@st.com>
3841 * configure.ac (.eh_frame data check): Use diff -b.
3843 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3846 * Makefile.in (BUILD_RTL): Add build/vec.o.
3847 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3848 (build/genextract): Delete.
3849 (build/genautomata): Likewise.
3851 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3854 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3855 128-bit IBM long doubles for ABI_V4.
3857 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3859 * tree.c (range_in_array_bounds_p): New predicate.
3860 * tree.h (range_in_array_bounds_p): Declare it.
3861 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3862 return a less conservative answer.
3863 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3864 and flag 'is_group'.
3865 (IS_ELEMENT_FOR_GROUP): New macro.
3866 (FOR_EACH_ACTUAL_CHILD): Likewise.
3867 (next_child_for_group): New helper function.
3868 (can_completely_scalarize_p): Take into account groups.
3869 (sra_hash_tree): Handle RANGE_EXPR.
3870 (sra_elt_eq): Likewise.
3871 (lookup_element): Be prepared for handling groups.
3872 (is_valid_const_index): Delete.
3873 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3874 instead of is_valid_const_index.
3875 <ARRAY_RANGE_REF>: New case.
3876 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3877 is_valid_const_index.
3878 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3879 (scan_dump): Dump info for groups too.
3880 (decide_instantiation_1): Likewise.
3881 (decide_block_copy): Assert that the element is not a group.
3882 Propagate decision to groups.
3883 (generate_one_element_ref): Handle RANGE_EXPR.
3884 (mark_no_warning): Iterate over actual childs.
3885 (generate_copy_inout): Likewise.
3886 (generate_element_copy): Likewise.
3887 (generate_element_zero): Likewise.
3888 (generate_element_init_1): Likewise.
3889 (dump_sra_elt_name): Handle RANGE_EXPR.
3891 2006-07-03 Roger Sayle <roger@eyesopen.com>
3893 PR tree-optimization/26251
3894 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3895 (thread_block): When optimizing for size refuse to thread jumps
3896 that would require duplication of blocks other than redirection
3899 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3901 * configure.ac: Fix thinko in previous check-in.
3902 * configure: Regenerate.
3904 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3907 * configure.ac (for lang...): Simplify nesting of conditionals.
3908 Test subdir_requires for non-enabled languages. Move processing
3909 of lang_opt_files and lang_tree_fiels below that test.
3910 * configure: Regenerate.
3911 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3913 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3915 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3917 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3919 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3922 2006-06-29 Jason Merrill <jason@redhat.com>
3929 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3930 * c-common.c (c_determine_visibility): Handle it here.
3931 * c-decl.c (finish_decl): Call c_determine_visibility for
3933 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3935 * varasm.c (default_assemble_visibility): Likewise.
3936 * c-common.c (handle_visibility_attribute): Complain about trying
3937 to give visibility to an already defined class, or trying to change
3938 declared visibility. Always attach the attribute.
3943 * attribs.c (decl_attributes): Ignore type-in-place attributes
3944 once the type has been defined.
3946 2006-06-29 Roger Sayle <roger@eyesopen.com>
3949 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3950 to indicate the cpplib has issued an error message for us.
3952 2006-06-29 Asher Langton <langton2@llnl.gov>
3955 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3956 insert a label at the end of an function under Mach-O.
3958 2006-06-29 Eric Christopher <echristo@apple.com>
3959 Evan Cheng <evan.cheng@apple.com>
3961 * predicates.md (vector_all_ones_operand): New.
3962 (nonimmediate_or_sse_const_operand): Ditto.
3963 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3964 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3965 (standard_sse_mode_p): Ditto.
3966 (standard_sse_constant_p): Add case for -1 vector.
3967 (ix86_expand_vector_move): Try to use.
3968 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3969 Call standard_sse_constant_opcode.
3970 (*movv4sf_internal): Ditto.
3971 (*movv2df_internal): Ditto.
3973 2006-06-29 Roger Sayle <roger@eyesopen.com>
3975 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3976 of XEXP to extract the operands of a MATCH_CODE rtx.
3978 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3980 * tree.c (tree_size): Do not waste tail padding in
3981 struct tree_string and make the size be the same as
3982 build_string will generate.
3984 2006-06-28 Jason Merrill <jason@redhat.com>
3987 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3988 may_aliases already in the tag's annotations to the bitmap.
3990 2006-06-28 Roger Sayle <roger@eyesopen.com>
3992 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3994 2006-06-28 Roger Sayle <roger@eyesopen.com>
3996 * genpreds.c (generate_switch_p): New function.
3997 (add_mode_tests): Push the new mode test down inside an AND expr
3998 if this allows the switch-suitable MATCH_CODE to be near the root.
3999 (write_match_code_switch): New function to write a MATCH_CODE as
4001 (write_predicate_stmts): New function to write a predicate RTX
4002 expression as a sequence of statements.
4003 (write_one_predicate_function): Use write_predicate_stmts.
4004 (write_tm_constrs_h): Likewise.
4006 2006-06-26 Fred Fish <fnf@specifix.com>
4008 * config/mips/t-sb1: New file.
4009 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4012 2006-06-26 DJ Delorie <dj@redhat.com>
4014 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4016 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4017 Jayant Sonar <jayants@kpitcummins.com>
4018 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4020 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4021 (subsi3, subsi3_1, subsi3_2): New.
4022 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4023 * config/m32c/mov.md (SI mov peephole): New.
4024 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4025 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4027 2006-06-26 Olivier Hainque <hainque@adacore.com>
4029 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4030 a CALL_EXPR target function declaration.
4032 2006-06-26 Richard Guenther <rguenther@suse.de>
4034 * tree.c (build_string): Do not waste tail padding in
4037 2006-06-26 Richard Guenther <rguenther@suse.de>
4039 * ggc-page.c (init_ggc): Add missing element to size_lookup
4043 2006-06-23 Richard Guenther <rguenther@suse.de>
4045 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4046 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4047 alignment requests instead. Add verification code.
4048 Add struct tree_function_decl and struct tree_binfo size to
4049 extra_order_size_table. Add missing element to size_lookup
4052 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4055 * fold-const.c (const_binop): Be prepared for self returning zero.
4056 Simplify code handling complex values.
4058 2006-06-24 Olivier Hainque <hainque@adacore.com>
4060 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4061 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4064 2006-06-24 Olivier Hainque <hainque@adacore.com>
4066 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4067 ARRAY_REF, so have the callback called for the low bound expression.
4069 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4071 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4072 * c-typeck.c (c_common_type): Disallow operations on decimal float
4073 types and other float types.
4074 * convert.c (convert_to_real): Don't ignore conversions involving
4075 decimal float types.
4077 2006-06-23 Olivier Hainque <hainque@adacore.com>
4079 * tree.c (max_int_size_in_bytes): New function, inspired from
4080 code in function.c:assign_temp.
4081 * tree.h (max_int_size_in_bytes): Declare.
4082 * function.c (assign_temp): Use it.
4083 * gimplify.c (create_tmp_var): Relax the assertions on the type
4084 properties, not mandating constant size any more.
4085 (force_constant_size): New static function.
4086 (gimple_add_tmp_var): Use it, forcing variable size to a
4087 constant upper bound if it is not constant on entry.
4089 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4092 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4093 for initialization and setting of one_only flag to ...
4094 (i386_pe_encode_section_info): ...here.
4095 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4096 Recheck that the symbol has not been defined.
4098 2006-06-23 Richard Guenther <rguenther@suse.de>
4100 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4101 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4102 alignment requests instead. Add verification code.
4103 Add struct tree_function_decl and struct tree_binfo size to
4104 extra_order_size_table. Add missing element to size_lookup
4107 2006-06-22 Roger Sayle <roger@eyesopen.com>
4108 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4111 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4112 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4114 2006-06-23 Ben Elliston <bje@au.ibm.com>
4116 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4117 negate dn -- manipulate it directly.
4119 2006-06-22 Roger Sayle <roger@eyesopen.com>
4120 Steven Bosscher <stevenb.gcc@gmail.com>
4123 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4124 generated by gen_move_insn to add REG_LABEL notes if necessary.
4126 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4128 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4129 (leaf_entry): Remove use of MIN_ESA.
4131 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4133 PR rtl-optimization/28121
4134 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4137 2006-06-21 DJ Delorie <dj@redhat.com>
4139 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4141 (mulhisi3_r): Likewise.
4143 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4146 * coverage.c (coverage_counter_alloc): Leave the index type
4148 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4151 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4153 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4154 section from the "Options for Code Generation Conventions".
4156 2006-06-21 Richard Henderson <rth@redhat.com>
4160 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4162 (global_symbolic_operand): Allow weak symbols, even if local_p.
4164 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4166 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4167 (find_interesting_uses_address): Punt if above function returns true.
4169 2006-06-21 Richard Guenther <rguenther@suse.de>
4171 * configure: Regenerated.
4173 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4175 * config/mips/mips.c (function_arg): Where one part of a
4176 complex argument is in registers and the other part in the stack,
4177 return a REG not a PARALLEL.
4179 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4181 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4182 when cross-compiling. Do not substitute libstdcxx_incdir.
4183 * configure: Regenerated.
4185 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4187 * varasm.c (mergeable_string_section): Check for embedded NULs and
4188 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4189 rather than TREE_STRING_LENGTH bytes.
4191 2006-06-21 Richard Guenther <rguenther@suse.de>
4193 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4194 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4197 2006-06-21 Richrad Guenther <rguenther@suse.de>
4199 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4200 Limit iteration over the dominators.
4202 2006-06-20 Roger Sayle <roger@eyesopen.com>
4204 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4205 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4207 2006-06-20 Richard Guenther <rguenther@suse.de>
4208 Michael Matz <matz@suse.de>
4210 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4212 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4213 * et-forest.h (et_free_pools): Prototype new function.
4214 * et-forest.c (et_free_tree_force): Free parent occurrence.
4215 (et_free_pools): New function.
4216 * dominance.c (free_dominance_info): Free et-forest alloc
4219 2006-06-20 Roger Sayle <roger@eyesopen.com>
4221 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4222 integer modes, attempt to directly construct an integer constant.
4224 * fold-const.c (native_encode_vector): Determine the size of each
4225 element from the vector type instead of the first vector element.
4227 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4228 if all of its elements/components are constant.
4229 (build_constructor_from_list): Likewise.
4231 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4233 PR tree-optimization/27331
4234 * tree-data-ref.c (free_data_ref): New function.
4235 (create_data_ref): Fail if the data reference has unknown access
4237 (free_data_refs): Use free_data_ref.
4239 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4242 * tree-inline.c (setup_one_parameter): Strip useless
4243 type conversion before adding it to the IR.
4244 (declare_return_variable): Likewise.
4246 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4249 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4251 2006-06-19 Mike Stump <mrs@apple.com>
4253 * tree.c (variably_modified_type_p): VM arguments don't make the
4256 2006-06-19 Richard Guenther <rguenther@suse.de>
4258 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4259 type conversions after folding.
4261 2006-06-19 Richard Guenther <rguenther@suse.de>
4263 * ggc-page.c (extra_order_size_tab): Add entries with
4264 size of struct function and basic_block.
4265 (size_lookup): Extend to cover sizes up to 511.
4266 (ggc_alloc_stat): Adjust user.
4267 (ggc_pch_count_object): Likewise.
4268 (ggc_pch_alloc_object): Likewise.
4269 (ggc_pch_write_object): Likewise.
4271 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4273 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4274 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4277 2006-06-19 Denis Chertykov <denisc@overta.ru>
4279 * config/avr/libgcc.S : Correct my wrong previous commit.
4281 2006-06-19 Roger Sayle <roger@eyesopen.com>
4284 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4285 have stripped a SUBREG from the shift count, so we may need to
4286 convert_to_mode back to the type's mode before calling make_tree.
4287 Use new_amount instead of amount to avoid expanding a tree twice.
4289 2006-06-19 Richard Guenther <rguenther@suse.de>
4292 * fold-const.c (operand_equal_p): Check if the argument types
4293 have the same precision before stripping NOPs.
4295 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4297 Fix PR tree-optimization/27341
4298 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4300 * tree-complex.c (pass_lower_complex): Update SMT usage.
4302 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4304 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4305 Add a new alternative to the constraint strings. Add move of
4306 operand 1 to 3 to the splitter definition.
4307 ("doloop_si_long"): Second contraint alternative removed.
4309 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4311 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4312 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4314 (AVR_HAVE_MOVW) Define.
4315 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4316 (ASM_SPEC): Add avr25.
4317 (LINK_SPEC): Add avr25.
4318 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4319 (base_arch_s): Add new member 'have_movw_lpmx'.
4320 (avr_arch_types): Init 'have_movw_lpmx'.
4321 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4322 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4323 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4324 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4325 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4327 (avr_file_start): Do not output '.arh' derective.
4328 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4329 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4330 * config/avr/avr.md (mcu_enhanced): Delete.
4331 (mcu_have_movw): Define.
4332 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4333 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4334 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4335 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4336 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4337 attiny861 and at86rf401 devices.
4339 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4341 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4344 2006-06-17 Karl Berry <karl@gnu.org>
4346 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4347 doc/gccint.texi, doc/install.texi (@dircategory): Use
4348 "Software development" instead of "Programming", following
4349 the Free Software Directory.
4351 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4353 * config/i386/i386.c (legitimate_tls_address)
4354 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4355 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4356 (*tls_dynamic_gnu2_combine_64): Likewise.
4358 2006-06-16 Richard Guenther <rguenther@suse.de>
4361 * fold-const.c (negate_expr_p): Do not introduce undefined
4362 overflow in negating INTEGER_CSTs.
4363 (fold_negate_expr): Rename from negate_expr. Revert last
4364 change for folding BIT_NOT_EXPR. Change semantics to
4365 return NULL_TREE for non-simplified negations. Do not
4366 strip type conversions and unify type handling.
4367 (negate_expr): New function, wrap around fold_negate_expr
4368 but ensure building a tree always. Strip type conversions
4369 here, fold to result type.
4370 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4372 2006-06-16 Roger Sayle <roger@eyesopen.com>
4375 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4376 that (would) return their results in stack registers.
4378 2006-06-16 Michael Matz <matz@suse.de>
4379 Richard Guenther <rguenther@suse.de>
4381 * fold-const.c (fold_truthop): Only return new tree node if
4382 we canonicalized something.
4384 2006-06-16 Richard Guenther <rguenther@suse.de>
4386 * function.h (enum function_frequency): Move declaration
4387 out of struct function.
4388 (struct function): Move bool fields and the enum to the bitfield
4389 section. Reorder elements to avoid padding. Remove unused
4390 fields left over from the RTL inliner removal.
4391 * function.c (free_after_compilation): Do not zero removed fields.
4392 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4393 (ipa-type-escape.o): Likewise.
4395 2006-06-16 Richard Guenther <rguenther@suse.de>
4397 * cgraph.h (struct cgraph_local_info): Turn bool elements
4399 (struct cgraph_node): Likewise.
4400 (struct cgraph_varpool_node): Likewise.
4402 2006-06-15 Richard Guenther <rguenther@suse.de>
4404 * fold-const.c (fold_truth_not_expr): Rename from
4405 invert_truthvalue. Give it fold_* semantics to avoid
4407 (invert_truthvalue): New function. Wrapper around
4408 fold_truth_not_expr.
4409 (optimize_minmax_comparison): Avoid creating garbage.
4410 (fold_unary): Use fold_truth_not_expr for folding
4412 (fold_ternary): Replace uses of invert_truthvalue with
4413 fold_truth_not_expr where applicable.
4414 * tree.h (fold_truth_not_expr): Prototype.
4416 2006-06-16 Richard Guenther <rguenther@suse.de>
4418 PR tree-optimization/27781
4419 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4420 * ipa-pure-const.c (target.h): Include.
4421 (analyze_function): Do not analyze functions that do not
4424 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4427 * tree-dfa.c (referenced_vars_dup_list): Remove.
4428 (find_referenced_vars): Remove assert.
4429 (referenced_var_check_and_insert): Replace dup list with assert.
4430 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4431 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4433 2006-06-15 Richard Guenther <rguenther@suse.de>
4435 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4436 extra unused identifiers if not dumping.
4437 (create_variable_info_for): Likewise.
4439 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4441 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4442 (derive_constant_upper_bound): Derive more precise upper bound in
4443 common cases. Return type changed to double_int.
4444 (record_estimate): Reflect the changed return type of
4445 derive_constant_upper_bound.
4446 * double-int.c (double_int_zext, double_int_sext): Fix.
4448 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4450 * configure.ac (CFLAGS): Get them from the toplevel or from the
4451 configure invocation.
4452 * configure: Regenerate.
4453 * Makefile.in (CFLAGS): Substitute value provided by configure.
4455 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4458 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4459 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4460 rather than calling add_stmt on it.
4461 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4463 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4466 * reload1.c (reload): Remove registers returned by update_eliminables
4467 from used_spill_regs.
4469 2006-06-13 DJ Delorie <dj@redhat.com>
4471 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4473 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4475 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4476 html__strip_dir, html__mkdir_p. Enhance install-html target.
4477 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4478 * configure: Regenerate.
4480 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4482 * fold-const.c (fold_cond_expr_with_comparison): Check for
4483 Objective-C++ as language in deciding COND_EXPR transformation.
4485 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4488 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4489 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4490 * config/sh/lib1funcs.h (SL, SL1): Define.
4491 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4492 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4493 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4494 (OBJS_Os_4_200): New variable.
4495 ($(T)libgcc-Os-4-200.a): Use it.
4496 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4497 when dividing 1 and/or by 0.
4499 2006-06-13 Roger Sayle <roger@eyesopen.com>
4501 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4502 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4503 * configure: Regenerate.
4505 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4507 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4508 for real instruction.
4510 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4513 * haifa-sched.c (check_cfg): Handle special case.
4515 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4518 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4519 Add debug_info parameter. Chain the vars to the BLOCK instead
4520 of the BIND_EXPR if debug info are requested for them.
4521 (pop_gimplify_context): Adjust for above change.
4522 (gimple_add_tmp_var): Likewise.
4523 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4525 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4526 (convert_local_reference): Likewise.
4527 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4528 (finalize_nesting_tree_1): Request that debug info be emitted
4529 for debug_var_chain.
4531 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4533 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4534 for PR target/27863.
4536 2006-06-13 Richard Guenther <rguenther@suse.de>
4539 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4541 2006-06-13 Richard Guenther <rguenther@suse.de>
4543 PR tree-optimization/27830
4544 * tree-inline.c (copy_body_r): For copying the operand
4545 of an ADDR_EXPR make sure to fold &* afterwards.
4547 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4549 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4550 lvalues in the fb_none case with side-effects.
4552 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4554 * tree-flow.h: Remove the prototype for
4555 compute_phi_arg_on_exit.
4556 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4557 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4560 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4562 * builtins.c (expand_builtin_return_addr): Only use
4563 frame_pointer_rtx when count == 0 and we are expanding
4564 __builtin_return_address.
4566 2006-06-12 Fred Fish <fnf@specifix.com>
4568 * config/mips/mips.c (mips_file_start): Create special section
4569 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4571 2006-06-11 Eric Christopher <echristo@apple.com>
4574 * stor-layout.c (place_field): Remove check for
4575 remaining_in_alignment when aligning at the end of a run.
4577 2006-06-11 Eric Christopher <echristo@apple.com>
4580 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4583 2006-06-11 Roger Sayle <roger@eyesopen.com>
4586 Revert incorrect fix for PR target/27158
4587 2006-05-08 Roger Sayle <roger@eyesopen.com>
4588 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4589 of a reg_equiv_constant if the result is a legitimate constant.
4591 2006-06-11 Roger Sayle <roger@eyesopen.com>
4594 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4595 extract a CONST_VECTOR element and interpret it as an integer.
4596 (vspltis_constant): Use const_vector_elt_as_int instead of the
4597 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4598 * config/rs6000/predicates.md (easy_vector_const): Consider
4599 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4601 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4604 * stor-layout.c (update_alignment_for_field): Don't add extra
4605 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4608 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4610 * config/mips/t-rtems: Add EL/EB multilib variants.
4612 2006-06-09 Mike Stump <mrs@apple.com>
4614 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4616 2006-06-09 David Daney <ddaney@avtrex.com>
4618 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4620 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4622 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4624 2006-06-09 Richard Guenther <rguenther@suse.de>
4626 PR tree-optimization/26998
4627 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4628 of signed types, only TYPE_MIN_VALUE is special, but for both,
4629 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4630 in this case, as is -fwrapv.
4632 2006-06-08 Mike Stump <mrs@apple.com>
4635 * config/darwin.c (darwin_asm_output_anchor): Disable
4636 -fsection-anchors on darwin for now.
4637 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4638 * rs6000/rs6000.c (optimization_options): Likewise.
4640 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4643 * config/i386/i386.c (classify_argument): Skip fields with invalid
4646 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4648 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4649 (cse_insn): Likewise for the stack_pointer_rtx.
4651 2006-06-08 Roger Sayle <roger@eyesopen.com>
4653 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4654 conditions from floating point comparisons.
4656 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4659 * expmed.c (struct alg_hash_entry): Fix type of field T
4660 to match synth_mult argument.
4661 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4663 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4666 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4669 2006-06-08 Richard Guenther <rguenther@suse.de>
4672 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4673 only, if overflow is defined and not trapping.
4674 (negate_expr): Likewise.
4676 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4678 PR tree-optimization/27872
4679 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4680 flag on the new exit edge of the unrolled loop.
4682 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4684 PR rtl-optimization/26449
4685 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4687 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4690 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4691 referenced_variables with matching DECL_UID's.
4692 (find_referenced_vars): Make sure duplicate list is empty to start.
4693 (referenced_var_p): Remove.
4694 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4695 Check if var is in the list, and add if needed. Update the duplicate
4696 list if a different var is in the list with the same DECL_UID.
4697 (add_referenced_var): Call routine to check and insert.
4698 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4699 * tree-flow.h (referenced_vars_dup_list): External declaration.
4701 2006-06-07 Fred Fish <fnf@specifix.com>
4703 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4706 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4709 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4710 the imaginary and real parts of a clobbered register.
4711 Emit insn to set the imaginary part.
4713 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4715 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4716 in lieu of unwind-dw2-fde.c.
4718 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4720 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4722 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4725 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4726 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4727 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4728 V4SImode temporaries and operations instead.
4730 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4732 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4735 2006-06-06 Mike Stump <mrs@apple.com>
4737 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4738 installing during build.
4740 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4742 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4744 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4745 * config/ia64/ia64.c (params.h): New header.
4746 (ia64_optimization_options): New function to adjust parameters.
4747 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4748 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4749 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4751 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4753 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4755 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4758 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4760 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4761 Victor Kaplansky <victork@il.ibm.com>
4763 PR tree-optimization/26360
4764 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4767 2006-06-04 Roger Sayle <roger@eyesopen.com>
4768 Andrew Pinski <pinskia@physics.uc.edu>
4771 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4772 for LABEL_DECL before calling DECL_WEAK.
4775 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4776 LABEL_DECL and PARM_DECL.
4778 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4782 * c-decl.c (grokdeclarator): Disallow variably modified types at
4783 file scope. Avoid marking shared array type of constant size as
4786 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4789 * c-common.c (fold_offsetof_1): Handle static members.
4791 2006-06-04 Eric Christopher <echristo@apple.com>
4793 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4794 (debug_rli): Output value for remaining_in_alignment.
4795 (update_alignment_for_field): Unconditionalize
4796 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4797 extra alignment code.
4798 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4799 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4800 * tree.h (record_layout_info_s): Remove prev_packed.
4801 * doc/extend.texi (ms_struct): Add documentation of format.
4803 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4805 * tree.h: Declare folding_initializer.
4806 * builtins.c (fold_builtin_constant_p): Give definite answer
4807 if folding inside an initializer.
4808 * fold-const.c: Define folding_initializer.
4809 (START_FOLD_INIT): Save and then set folding_initializer.
4810 (END_FOLD_INIT): Restore folding_initializer.
4812 2006-06-04 Richard Guenther <rguenther@suse.de>
4814 PR tree-optimization/27039
4815 * fold-const.c (fold_comparison): Handle pointer comparison
4816 again for all comparison codes. Compare offsets in signed
4818 (fold_binary): Move code from here.
4820 2006-06-03 Roger Sayle <roger@eyesopen.com>
4823 * config/i386/i386.c (construct_container): Split static issued_error
4824 flag into issued_sse_arg_error, issued_sse_ret_error and
4825 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4826 requires the use of x87 registers and the user explicitly
4827 specified the -mno-80387 command line option.
4829 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4831 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4832 HAVE_DECL_SIGALTSTACK.
4834 (segv_handler): Use MC_FLD.
4835 * configure.ac: Check for a sigaltstack declaration.
4836 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4837 * configure: Regenerate.
4838 * config.in: Regenerate.
4840 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4843 * Makefile.in (stmp-fixinc): Fix typo.
4845 2006-06-02 Roger Sayle <roger@eyesopen.com>
4847 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4848 are type correct. Clean-up.
4849 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4850 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4852 2006-06-01 DJ Delorie <dj@redhat.com>
4854 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4855 shift, as we've disabled the "switch" insn that needs it.
4857 2006-06-01 Per Bothner <bothner@bothner.com>
4859 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4860 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4861 * c-ppoutput.c (cb_define): Don't increment line 0.
4863 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4865 * doc/invoke.texi: Add cpu_type power6.
4866 * config.gcc: Add cpu_type power6.
4867 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4868 to power5+ with Altivec.
4869 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4870 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4872 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4874 * config/avr/avr.h (SET_ASM_OP): Define.
4876 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4878 * config/bfin/bfin.c: Fix comment typos.
4880 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4883 * doc/install.texi: Document --enable-bootstrap and
4884 --disable-bootstrap.
4886 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4888 * doc/install.texi: Document that InfoZIP can replace jar.
4890 2006-05-31 Roger Sayle <roger@eyesopen.com>
4892 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4893 isn't available, directly generate the simpler x87 patterns without
4894 the (use (const_int 0)).
4895 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4896 implementation isn't available.
4897 (*negdf2_1): Likewise.
4898 (*negxf2_1): XF mode negation is always done using the x87.
4899 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4901 2006-05-31 Roger Sayle <roger@eyesopen.com>
4903 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4904 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4906 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4908 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4910 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4911 * config/bfin/bfin.c (basic-block.h): Include.
4912 (struct machine_function): New.
4913 (bfin_init_machine_status): New.
4914 (override_options): Initialize init_machine_status.
4915 (bfin_hardware_loop): New.
4916 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4917 (DEF_VEC_P (loop_info)): New.
4918 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4919 (struct loop_info): New.
4920 (loop_info): New typedef.
4921 (struct loop_work): New.
4922 (loop_work): New typedef.
4923 (DEF_VEC_O (loop_work)): New.
4924 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4925 (bfin_dump_loops): New.
4926 (bfin_bb_in_loop): New.
4927 (bfin_scan_loop): New.
4928 (bfin_optimize_loop): New.
4929 (bfin_reorg_loops): New.
4930 (bfin_reorg): Use bfin_reorg_loops.
4931 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4933 (I_REGNO_P): Simplify.
4934 (DP_REGNO_P, DPREG_P): New macros.
4935 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4936 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4937 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4938 Add LT_REGS, LC_REGS, LB_REGS.
4939 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4941 (REGNO_REG_CLASS): Deal with loop registers.
4942 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4944 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4945 New constants for loop registers.
4946 (UNSPEC_LSETUP_END): New.
4947 (seq_insns): New define_attr. Set it for appropriate insns.
4948 (movsi_insn): Add alternatives for move from/to
4949 loop count registers.
4950 (doloop_end): New define_expand.
4951 (loop_end): New define_insn.
4952 (define_split for bad doloop_end): New.
4953 (lsetup_with_autoinit): New define_insn.
4954 (lsetup_without_autoinit): New define_insn.
4955 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4956 * config/bfin/predicates.md (lc_register_operand): New.
4957 (lt_register_operand): New.
4958 (lb_register_operand): New.
4959 (nondp_register_operand): New.
4960 (nondp_reg_or_memory_operand): New.
4961 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4963 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4965 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4966 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4968 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4970 * Makefile.in (CATALOGS): Add po/ prefix.
4971 * configure: Regenerated.
4973 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4976 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4977 a shift operand before calling shift_op. Avoid redundant call of
4980 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4981 DJ Delorie <dj@redhat.com>
4983 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4984 we're inserting is a singlt-bit constant.
4986 2006-05-30 Roger Sayle <roger@eyesopen.com>
4988 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4989 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4991 2006-05-30 Roger Sayle <roger@eyesopen.com>
4993 PR tree-optimization/23452
4994 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4995 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4996 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4997 complex values and with -ffast-math for FP complex values.
4999 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5001 * c-common.h: Remove the prototype for yyparse.
5002 * rtl.h: Remove the prototype for init_loop.
5004 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5006 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5009 2006-05-30 Roger Sayle <roger@eyesopen.com>
5011 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5013 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5014 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5016 2006-05-30 Dirk Mueller <dmueller@suse.de>
5019 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5020 for CONSTANT_CLASS_P expresisons.
5022 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5025 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5027 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5029 PR tree-optimization/27779
5030 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5031 initial_condition instead of CHREC_LEFT.
5033 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5035 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5036 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5037 Make prototypes ISO C90.
5039 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5040 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5042 * see.c (see_analyze_one_def): Correct check.
5043 (see_get_extension_data): Check if extension is parallel.
5044 (see_get_extension_reg): Likewise.
5046 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5049 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5050 into register for (code == GTU).
5052 2006-05-29 Roger Sayle <roger@eyesopen.com>
5054 PR tree-optimization/24964
5055 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5056 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5057 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5058 abs(x)*abs(x) as x*x for scalar floating point modes.
5060 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5063 * lambda-code.c (perfect_nestify): Don't copy statements
5064 in the inner loop: move them to the inner loop header.
5066 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5069 * c-tree.texi: Document OpenMP directives and clauses.
5071 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5073 * varasm.c (globalize_decl): Fix indentation.
5075 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5078 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5079 pass_fre, pass_store_ccp, pass_copy_prop,
5080 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5081 pass_return_slot, pass_object_size, pass_lim,
5082 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5083 pass_loop_prefetch and pass_stdarg.
5085 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5087 * config/bfin/bfin.opt (mfdpic): New option.
5088 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5089 (EXTRA_MULTILIB_PARTS): Likewise.
5090 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5091 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5093 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5094 (CRT_CALL_STATIC_FUNCTION): New.
5095 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5097 (CRT_CALL_STATIC_FUNCTION): New.
5098 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5100 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5101 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5102 (initialize_trampoline): Changed to handle FD-PIC code generation.
5103 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5104 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5105 (override_options): Disallow -mid-shared-library -mfdpic combination.
5106 Can't do unaligned ops if FD-PIC.
5107 Turn off flag_pic if trying to generate non-id-shared-library
5108 non-fdpic code, since it's not supported.
5109 (bfin_assemble_integer): New function.
5110 (TARGET_ASM_INTEGER): Define.
5111 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5113 * config/bfin/crtn.s: Restore them.
5114 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5116 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5117 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5118 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5119 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5120 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5122 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5123 FDPIC_REGS and FDPIC_FPTR_REGS.
5124 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5125 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5126 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5127 (load_funcdescsi): New pattern.
5128 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5129 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5130 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5132 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5134 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5137 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5139 * tree-flow.h: Remove the prototype for add_type_alias.
5140 * tree-ssa-alias.c (add_type_alias): Remove.
5142 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5144 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5145 config/fr30/fr30.md, config/i386/i386-interix.h,
5146 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5147 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5148 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5149 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5150 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5151 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5152 Follow spelling conventions.
5153 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5154 Follow spelling conventions.
5156 2006-05-27 Richard Guenther <rguenther@suse.de>
5159 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5160 to produce a constant of value 1 of generic type.
5162 2006-05-27 Dirk Mueller <dmueller@suse.de>
5164 * cgraphunit.c (decide_is_function_needed): Fix wrong
5167 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5169 PR rtl-optimization/27661
5170 * reload.c (find_reloads): When reloading a VOIDmode constant
5171 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5172 use Pmode as mode of the reload register.
5174 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5176 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5177 is enabled at -O and above.
5179 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5182 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5185 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5188 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5189 for anonymous variables explicitly declared by front ends.
5191 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5193 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5194 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5195 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5196 ref-all pointers, run a finalization pass for them.
5197 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5198 (finalize_ref_all_pointers): New function.
5199 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5200 regular pointer type to a ref-all pointer type.
5201 (get_tmt_for): Return the special memory tag for ref-all pointers.
5203 2006-05-25 Richard Guenther <rguenther@suse.de>
5206 * fold-const.c (fold_binary): Do not look at the stripped
5207 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5209 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5211 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5212 for LT and GT if the computed range is effectively empty.
5214 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5217 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5218 mips_quad_format formats instead of ieee_single_format,
5219 ieee_double_format and ieee_quad_format formats, respectively.
5221 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5223 PR tree-optimization/27639
5224 PR tree-optimization/26719
5225 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5226 call to scev_probably_wraps_p.
5227 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5228 used_in_pointer_arithmetic_p, convert_step): Removed.
5229 (nowrap_type_p): New function.
5230 (scev_probably_wraps_p): Rewritten.
5231 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5232 chrec_convert if chrec_convert_aggressive might have been used.
5233 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5234 scev_direction): New functions.
5235 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5236 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5237 instead of convert_step.
5238 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5239 (convert_step): Declaration removed.
5240 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5242 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5244 * df-core.c: Added to header comments.
5245 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5246 df_ur_bb_info, df_urec_bb_info): Added comments.
5247 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5248 urec, ri problems): Fixed header comments.
5249 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5250 code from df_rd_transfer_function.
5252 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5254 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5255 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5256 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5258 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5260 * expr.c (undefined_operand_subword_p): New.
5261 (emit_move_multi_word): Do not generate move from undefined bits
5262 of a paradoxical subreg.
5264 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5266 PR rtl-optimization/27736
5267 * combine.c (replaced_rhs_value): New variable.
5268 (combine_instructions): Set it.
5269 (distribute_notes): When distributing a note in replaced_rhs_insn,
5270 check whether the value was used in replaced_rhs_value.
5272 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5275 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5276 add_referenced_var instead of add_referenced_tmp_var.
5277 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5278 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5280 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5281 tree_optimize_tail_calls_1): Use add_referenced_var.
5282 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5283 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5284 Use add_referenced_var.
5285 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5286 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5287 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5288 Use add_referenced_var.
5289 * tree-dfa.c (struct walk_state): Remove.
5290 (find_referenced_vars): Remove walk state and vars_found hash table.
5291 (make_rename_temp): Use add_referenced_var.
5292 (find_vars_r): Pass less parameters to add_referenced_var.
5293 (referenced_var_p): New. Is var in referenced_var hash table.
5294 (referenced_var_insert): Assert var isn't already in hash table.
5295 (add_referenced_var): Don't need walk_state parameter. Add var if it
5296 isn't already in the hash table.
5297 (add_referenced_tmp_var): Remove.
5298 (find_new_referenced_vars_1): Use add_referenced_var.
5299 * tree-ssa-pre.c (create_expression_by_pieces,
5300 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5301 Use add_referenced_var.
5302 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5303 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5304 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5306 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5307 vect_create_data_ref_ptr, vect_create_destination_var,
5308 vect_init_vector, vect_build_loop_niters,
5309 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5310 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5311 Use add_referenced_var.
5312 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5313 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5314 (add_referenced_var): Add prototype.
5315 * tree-ssa-structalias.c (get_constraint_for,
5316 intra_create_variable_infos): Use add_referenced_var.
5318 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5320 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5321 big-endian paradoxical subregs.
5322 * var-tracking.c (struct micro_operation_def): Document that,
5323 for modify micro operations, insn is the subsequent instruction.
5324 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5325 (var_reg_set, var_mem_set): ... new functions.
5326 (add_stores): Record subsequent insn.
5327 (compute_bb_dataflow): Use new functions for MO_USE.
5328 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5329 notes after the insn, and modify notes before the insn known
5330 to be the subsequent one.
5331 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5333 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5336 * config/i386/i386.c (ix86_expand_builtin): Use
5337 gen_sse3_monitor64 for TARGET_64BIT.
5339 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5341 PR rtl-optimization/26375
5342 PR rtl-optimization/26855
5343 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5345 (df_ru_bb_local_compute): Reversed statements and removed bogus
5346 comment explaining why they should be in wrong order.
5347 (df_ru_dump, df_rd_dump): Enhanced debug info.
5348 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5350 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5351 reaching uses and fixed space problem.
5353 2006-05-23 Jan Hubicka <jh@suse.cz>
5355 * cgraphunit.c (decide_is_function_needed): Also nested functions
5356 and functions declared inline can be optimized out at -O0.
5358 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5360 * doc/install.texi (Configuration): Remove reference to CrossGCC
5364 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5367 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5368 ix86_compare_emitted is non-NULL.
5370 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5373 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5376 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5378 PR rtl-optimization/25514
5379 * combine.c (replaced_rhs_insn): New variable.
5380 (combine_instructions): Set replaced_rhs_insn when trying to replace
5381 a SET_SRC with a REG_EQUAL note.
5382 (distribute_notes): Use replaced_rhs_insn when determining the live
5383 range of a REG_DEAD register.
5385 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5386 Anatoly Sokolov <aesok@post.ru>
5388 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5389 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5390 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5391 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5392 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5393 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5394 at90usb647, at90usb1286 and at90usb1287 devices.
5395 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5396 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5398 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5400 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5402 2006-05-22 Richard Guenther <rguenther@suse.de>
5405 2006-01-31 Richard Guenther <rguenther@suse.de>
5406 Paolo Bonzini <bonzini@gnu.org>
5408 * doc/install.texi (--disable-libgcc-math): Document.
5410 2006-05-22 Richard Guenther <rguenther@suse.de>
5413 2006-01-31 Richard Guenther <rguenther@suse.de>
5415 * doc/invoke.texi (-msselibm): Document.
5416 * target.h (expand_library_builtin): New target hook.
5417 * builtins.c (expand_builtin): Use expand_library_builtin.
5418 (default_expand_library_builtin): New function.
5419 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5420 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5421 (link_gcc_math_spec): Declare.
5422 (static_specs): Add link_gcc_math_spec.
5423 * expr.h (default_expand_library_builtin): Declare.
5424 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5425 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5426 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5427 * config/i386/i386.opt (msselibm): New target option.
5428 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5429 (ix86_init_sse_abi_builtins): New function.
5430 (ix86_expand_library_builtin): Likewise.
5431 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5432 (override_options): Handle error conditions wrt -msselibm.
5433 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5434 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5435 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5438 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5441 * c-common.c (self_promoting_args_p): Skip erroneous args.
5444 * c-decl.c (finish_struct): Skip erroneous fields.
5446 2006-05-22 Nick Clifton <nickc@redhat.com>
5448 * config/cris/cris.opt (march): Remove VarExists attribute.
5449 (max-stackframe=): Likewise.
5451 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5453 * doc/rtl.texi: Fix a typo.
5454 * see.c: Fix comment typos.
5456 * tree-ssa-structalias.h (alias_info): Remove num_references.
5458 2006-05-21 Mike Stump <mrs@apple.com>
5460 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5462 (darwin_pragma_options): Use BAD instead.
5463 (darwin_pragma_unused): Likewise.
5464 (darwin_pragma_ms_struct): Likewise.
5466 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5468 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5470 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5472 PR rtl-optimization/27671
5473 * simplify-rtx.c (simplify_relational_operation_1): Fix
5474 simplifications of (eq/ne (xor x y) y) and
5475 (eq/ne (xor x y) x).
5477 PR tree-optimization/26622.
5478 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5481 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5483 * tree-cfg.c: Prune whitespace.
5484 (debug_tree_cfg): Point to correct header containing the
5487 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5490 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5492 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5495 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5496 or sorry count is non zero.
5498 2006-05-20 Andreas Schwab <schwab@suse.de>
5500 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5502 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5503 Kenneth Zadeck <zadeck@naturalbridge.com>
5505 PR rtl-optimization/26855
5507 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5509 (df_scan_alloc): Added code to properly handle multiword hard
5510 registers and add all_blocks parameter.
5511 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5512 code to properly handle multiword hard registers.
5513 (df_rescan_blocks): Added code to remove deleted blocks from
5515 (df_ref_create_structure, df_ref_record): Added code to properly
5517 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5518 and set DF_REF_PARTIAL.
5519 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5520 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5521 (df_scan_add_problem): Added flags parameter.
5522 (df_ref_create_structure): Changed switching structure.
5523 (df_bb_refs_record): Fixed case where duplicate artificial refs
5524 were created. Changed location of flags.
5525 (df_record_entry_block_defs): Added code to make stack pointer
5526 live in entry block. Refined cases where frame pointer is needed.
5527 Changed location of flags.
5528 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5529 (df_set_state): Removed function.
5530 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5531 df_insn_create_insn_record, df_insn_refs_delete,
5532 df_ref_create_structure): Formatting changes.
5533 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5534 df_delete_basic_block): New function.
5535 (df_init): Changed location of flags.
5536 (df_add_problem): Added flags parameter and the way flags are
5538 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5539 debug_df_chain): Improved debugging output.
5540 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5541 (df_refs_chain_dump): Removed df parameter.
5542 (df_iterative_dataflow): Added consistency check.
5543 (df_prune_to_subcfg): Made public.
5544 (df_analyze_problem): Added blocks_to_init parameter and made
5546 (df_ref_record, df_bb_refs_record, df_mark_reg,
5547 df_record_exit_block_uses): Whitespace changes.
5548 (df_dump): Whitespace changes.
5549 * df.h: Some reordering to remove forward references.
5550 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5551 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5552 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5553 (dataflow.flags): New field.
5554 (df.flag): Deleted field.
5555 (df_alloc_function): Added additional bitmap parameter.
5556 (df_dependent_problem_function): New type.
5557 (df_problem.changeable_flags): New field.
5558 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5559 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5560 (df_mw_hardreg): New struct.
5561 (DF_INSN_UID_MWS): New macro.
5562 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5564 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5565 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5566 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5567 (df_set_state): Removed function.
5568 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5569 * df-problems.c (df_chain_dump): Removed df parameter.
5570 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5571 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5573 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5574 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5575 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5576 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5577 DF_REF_MUST_CLOBBER cases.
5578 (df_ru_bb_local_compute_process_def,
5579 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5580 df_lr_bb_local_compute, df_ur_bb_local_compute,
5581 df_chain_create_bb): Made subreg aware.
5582 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5583 df_lr_bb_local_compute, df_lr_bb_local_compute,
5584 df_chain_create_bb): Cleanup to use proper macros.
5585 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5586 code to fixup bitvectors.
5587 (df_ri_alloc): Cleared lifetime.
5588 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5589 df_create_unused_note): New function.
5590 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5591 REG_DEAD and REG_UNUSED notes as well as register information.
5592 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5593 df_chains_dump): Fixed crash if problem was never run.
5594 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5595 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5596 df_ri_add_problem): Processes flags in uniform manner.
5597 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5598 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5599 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5600 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5601 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5602 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5603 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5604 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5605 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5606 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5607 * see.c (see_initialize_data): Ditto.
5608 * final.c (rest_of_clean_state) Added regstack_completed.
5609 * rtl.h (regstack_completed): Ditto.
5610 * reg-stack.c (regstack_completed): Ditto.
5612 2006-05-19 Mike Stump <mrs@apple.com>
5614 * c-tree.h (default_conversion): Remove.
5615 * c-common.h (default_conversion): Add.
5617 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5619 * tree-vrp.c (valid_value_p): New function.
5620 (adjust_range_with_scev): Fail if the value of bound is not
5623 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5625 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5626 (mips_fallback_frame_state): Use syscall numbers to determine
5627 the appropriate li instruction for the current ABI. Only use
5628 __NR_sigreturn for o32.
5630 2006-05-19 Nicolas Setton <setton@adacore.com>
5632 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5633 * langhooks.c (lhd_dwarf_name): New function.
5634 * langhooks-def.h (lhd_dwarf_name): Declare.
5635 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5636 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5637 * ada/misc.c (gnat_dwarf_name): New function.
5638 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5640 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5642 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5644 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5645 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5646 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5647 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5648 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5649 determine the size of Wtype, etc.
5650 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5651 (swfloatfuncs): New variable.
5652 (dwfloatfuncs): Likewise.
5653 (lib2funcs): Remove floating-point conversion functions from
5654 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5655 the set of conversion routines needed. Allow entries to specify
5656 an object name, filename and word size. Update users accordingly.
5657 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5658 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5662 2006-02-08 Roger Sayle <roger@eyesopen.com>
5665 * config/fixtfdi.c: New libgcc source file.
5666 * config/fixunstfdi.c: New source file.
5667 * config/floatditf.c: New source file.
5668 * config/floatunditf.c: New souce file.
5669 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5670 files above instead of config/mips/_tilib.c.
5671 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5673 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5675 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5676 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5678 2006-05-18 Mike Stump <mrs@apple.com>
5680 Fix up vla, vm and [*] sematics.
5686 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5687 (c_vla_unspec_p): Add.
5688 (c_vla_type_p): Add.
5689 * c-decl.c (struct c_scope): Add had_vla_unspec.
5690 (build_array_declarator): Add support for [*].
5691 (grokdeclarator): Likewise.
5692 (grokparms): Likewise.
5693 (get_parm_info): Likewise.
5694 * c-objc-common.c (c_vla_unspec_p): Likewise.
5695 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5696 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5697 typeof when argument is a variably modified type not inside sizeof or alignof.
5698 (c_parser_direct_declarator_inner): Propagate errors.
5699 (c_parser_sizeof_expression): Add support for [*].
5700 (c_parser_parms_declarator): Initialize had_vla_unspec.
5701 (c_parser_parms_list_declarator): Likewise.
5702 * c-typeck.c (c_vla_type_p): Add.
5703 (composite_type): Add support for vla compositing.
5704 (comptypes_internal): Add support for vla compatibility.
5705 (c_expr_sizeof_expr): Evaluate vla arguments.
5706 * tree.c (variably_modified_type_p): Update comment for [*].
5708 2006-05-18 Michael Matz <matz@suse.de>
5711 * config.host: Make assignments to host_xmake_file cumulative.
5712 * config.host (*-darwin*): Test $host, not $target.
5714 2006-05-12 Stuart Hastings <stuart@apple.com>
5716 * config/i386/i386.opt (-mstackrealign): New flag.
5717 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5718 (ix86_handle_cconv_attribute): Emit error when
5719 force_align_arg_pointer attribute collides with too many regparms.
5720 (ix86_function_regparm): Limit regparms when used with
5721 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5722 Support stack-realigning prologue in non-main functions. Emit
5723 warning for nested functions under -mstackrealign, emit error for
5724 nested functions with force_align_arg_pointer attribute.
5725 * doc/extend.texi (force_align_arg_pointer): Document it.
5726 * doc/invoke.texi (-mstackrealign): Document it.
5728 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5730 PR rtl-optimization/27477
5731 * combine.c (try_combine): Don't split a parallel consisting
5732 of two sets into two individual sets if both sets reference
5735 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5737 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5738 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5740 * doc/options.texi (VarExists): Updated.
5742 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5744 * unwind-dw2.c: Add declarations for uw_update_context and
5746 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5747 detected, advance frame state and context once to skip over stub.
5749 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5753 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5754 Call rewrite_into_loop_closed_ssa only when something changed.
5755 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5756 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5757 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5758 Test for perfect_nest_p here. Fix formating.
5759 (replace_uses_equiv_to_x_with_y): Fix formating.
5760 (stmt_uses_op): Removed.
5761 (can_convert_to_perfect_nest): Removed loopivs parameter.
5762 Complete the test by checking the scalar dependences.
5763 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5766 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5769 From Dan Kegel <dank@kegel.com>:
5770 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5772 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5774 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5775 if the element type is variably modified without recursing.
5777 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5780 * tree-loop-linear.c (try_interchange_loops): Test for
5781 no data dependences.
5783 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5785 PR tree-optimization/27548
5786 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5787 range of ssa names that appear on abnormal edges.
5788 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5789 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5791 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5794 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5796 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5799 * tree.h (OMP_PARALLEL_COMBINED): Define.
5800 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5801 (new_omp_context): Add is_combined_parallel argument.
5802 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5803 new_omp_context caller.
5804 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5805 Adjust gimplify_scan_omp_clauses callers.
5806 (omp_is_private): Issue errors if iteration variable is firstprivate
5807 or reduction in the current context.
5808 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5809 on combined parallel workshare constructs.
5811 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5813 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5814 (gcc-options.o): New rule.
5816 * optc-gen.awk: Protect variables for gcc-options.o with
5817 #ifdef GCC_DRIVER/#endif.
5819 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5821 Fix PR tree-optimization/27373
5822 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5823 (forward_propagate_addr_expr): Update call.
5825 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5827 * doc/options.texi: Move the Negative option.
5829 2006-05-16 Richard Guenther <rguenther@suse.de>
5831 PR tree-optimization/22303
5832 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5834 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5835 ccp_fold did not simplify the statement.
5837 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5840 * Makefile.in (GCC_OBJS): New.
5841 (OBJS-common): Add opts-common.o.
5842 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5843 (cpp$(exeext)): Likewise.
5844 (gcc.o): Also depend on opts.h.
5845 (opts-common.o): New.
5847 * common.opt (gcoff): Add Negative(gdwarf-2).
5848 (gdwarf-2): Add Negative(gstabs).
5849 (gstabs): Add Negative(gstabs+).
5850 (gstabs+): Add Negative(gvms).
5851 (gvms): Add Negative(gxcoff).
5852 (gxcoff): Add Negative(gxcoff+).
5853 (gxcoff+): Add Negative(gcoff).
5854 * config/i386/i386.opt (m32): Add Negative(m64).
5855 (m64): Add Negative(m32).
5857 * doc/options.texi: Document the Negative option.
5859 * gcc.c: Include "opts.h".
5860 (main): Call prune_options after expandargv.
5862 * optc-gen.awk: Generate common declarations for all flag
5863 variables in options.c. Output the neg_index field.
5865 * opts.c (find_opt): Moved to ...
5866 * opts-common.c: Here. New file.
5868 * opts.h (cl_option): Add a neg_index field.
5870 (prune_options): Likewise.
5872 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5875 * omp-low.c (expand_omp_parallel): Don't assert
5876 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5877 instead search for it.
5880 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5883 2006-05-16 Andreas Schwab <schwab@suse.de>
5885 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5888 2006-05-15 Roger Sayle <roger@eyesopen.com>
5891 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5892 integer constants other than zero are only legitimate on TARGET_64BIT.
5893 <CONST_VECTOR> Only zero vectors are legitimate.
5894 (ix86_cannot_force_const_mem): Integral and vector constants can
5895 always be put in the constant pool.
5897 2006-05-16 DJ Delorie <dj@redhat.com>
5899 * crtstuff.c (__dso_handle): Set section from
5900 TARGET_LBIGCC_SDATA_SECTION if defined.
5901 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5902 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5904 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5907 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5910 2006-05-16 Ben Elliston <bje@au.ibm.com>
5912 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5914 2006-05-15 Per Bothner <per@bothner.com>
5916 * tree.c: (last_annotated_node): Use source_locus typedef.
5917 This permits bootstrapping with --enable-mapped-location.
5919 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5921 PR tree-optimization/26830
5922 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5923 (info_for_ssa_name, current_info_for_ssa_name_age,
5924 blocks_to_update): New variables.
5925 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5926 (clear_ssa_name_info, initialize_flags_in_bb,
5927 mark_block_for_update): New functions.
5928 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5929 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5930 prepare_def_site_for): Use mark_block_for_update.
5931 (mark_def_interesting): Assert that the processed block is marked in
5932 blocks_to_update. Do not take blocks argument.
5933 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5935 (rewrite_update_init_block, rewrite_update_stmt): Only process
5936 blocks with statements to rewrite.
5937 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5938 (update_ssa): Initialize and free blocks_to_update. Do not
5939 clear flags on statements. Do not use blocks bitmap.
5940 * tree.h (SSA_NAME_AUX): Removed.
5941 (struct tree_ssa_name): Removed aux field.
5942 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5944 2006-05-15 Richard Guenther <rguenther@suse.de>
5946 PR tree-optimization/27603
5947 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5948 Do computations in original type.
5950 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5952 * see.c: Code style changes such as redundant paranthesis,
5953 redundant intialization of local variables etc.
5954 (see_main): Declared now as static.
5955 * doc/invoke.texi: Update that -fsee is not enabled by
5958 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5960 * omp-low.c (check_omp_nesting_restrictions): New function.
5961 (scan_omp_1): Call it.
5964 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5965 construct, return *VAR.
5967 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5969 PR rtl-optimization/27406
5970 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5973 2006-05-14 Roger Sayle <roger@eyesopen.com>
5975 PR rtl-optimization/27538
5976 * combine.c (expand_compound_operation): Call gen_lowpart
5977 before calling simplify_shift_const.
5979 2006-05-14 Roger Sayle <roger@eyesopen.com>
5981 PR rtl-optimization/22563
5982 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5983 a fixed width bitfield, always force the intermediates into psuedos.
5985 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5988 * mkconfig.sh: Use operator = instead of == for test.
5990 2006-05-13 Nick Clifton <nickc@redhat.com>
5992 * dwarf2out.c (dbx_reg_number): Check return value from
5993 LEAF_REG_REMAP and only use it if it is valid.
5994 (multiple_reg_loc_descriptor): Likewise.
5996 2006-05-13 Richard Guenther <rguenther@suse.de>
5998 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6001 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6003 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6004 information attached to non-INSNs such as NOTEs.
6005 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6007 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6009 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6011 * config/s390/s390.md: Adjust comment describing On constraint.
6013 2006-05-11 Jan Hubicka <jh@suse.cz>
6015 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6016 to be output at -O0.
6018 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6021 * fold-const.c (size_binop): Move sanity check for arguments to
6022 the beginning of the function.
6025 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6028 2006-05-11 Richard Guenther <rguenther@suse.de>
6031 * fold-const.c (fold_unary): Handle intermediate conversion
6032 to a pointer type like intermediate conversion to an integer
6033 type in folding of (T1)(T2)var to var.
6034 Match the code to the comment in the final conversion for
6035 (T1)(T2)var to (T1)var regarding to type precision. Rather
6036 than disallow T1 being of pointer type, assert that both T1
6037 and var are of pointer type or not. Make sure not to fall
6038 over the frontends lazyness wrt array to pointer decay though.
6040 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6042 * arm.c (arm_struct_value_rtx): Delete.
6043 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6044 (arm_init_cumulative_args): Always initialize nregs to zero.
6046 2006-05-10 Richard Guenther <rguenther@suse.de>
6048 PR tree-optimization/27532
6049 * tree-object-size.c (plus_expr_object_size): Fix typo.
6051 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6054 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6055 ashrdi_const, ashrdi3): Use a scratch register.
6057 2006-05-10 Richard Guenther <rguenther@suse.de>
6059 PR tree-optimization/27302
6060 * fold-const.c (operand_equal_p): For two comparisons,
6061 try comparison of one comparison code swapped if that yields
6064 2006-05-10 Ben Elliston <bje@au.ibm.com>
6066 * tree-pretty-print.c (pretty_print_string): No need to handle
6067 '\0' as a special character.
6069 * tree.h: Include "hashtab.h".
6070 (iterative_hash_expr): Use hashval_t in its prototype.
6071 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6073 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6076 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6077 (hppa*64*-*-hpux11*): Ditto.
6078 (hppa[12]*-*-hpux11*): Ditto.
6080 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6083 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6085 2006-05-09 Michael Matz <matz@suse.de>
6087 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6088 host_extra_gcc_objs and host_xmake_file.
6089 (<*-*-linux*>): Don't overwrite host_xmake_file.
6090 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6091 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6092 (host_detect_local_cpu): Declare.
6093 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6094 * config/i386/i386.c (override_options): Handle -mtune=native
6096 * config/i386/x-i386: New file.
6097 * config/i386/driver-i386.c: New file.
6098 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6101 2006-05-09 Dirk Mueller <dmueller@suse.de>
6102 Richard Guenther <rguenther@suse.de>
6105 * fold-const.c (fold_read_from_constant_string): Relax check
6106 for matching types to matching modes.
6108 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6110 PR rtl-optimization/27335
6111 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6114 2006-05-08 Chao-ying Fu <fu@mips.com>
6115 Richard Sandiford <richard@codesourcery.com>
6117 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6118 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6119 * config/mips/mips.md (UNSPEC_SCC): New constant.
6120 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6121 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6122 (mips_emit_compare): Use it.
6123 (mips_expand_vcondv2sf): New function.
6125 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6127 Fix PR tree-optimization/27093
6128 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6129 renaming when they become not-used_alone.
6131 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6133 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6134 relocation and relocation stubs.
6136 2006-05-08 Eric Christopher <echristo@apple.com>
6138 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6141 2006-05-08 Jan Hubicka <jh@suse.cz>
6144 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6145 unused static functions are needed.
6147 2006-05-08 Roger Sayle <roger@eyesopen.com>
6150 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6151 of a reg_equiv_constant if the result is a legitimate constant.
6153 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6156 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6157 standard 80387 constants, raise the cost to prevent
6158 compress_float_constant() to generate load from memory.
6160 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6162 * config/arm/constraints.md (c): Fix a typo.
6164 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6167 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6170 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6172 (_mm_mwait): Likewise.
6174 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6176 (sse3_monitor): Make it 32bit only.
6177 (sse3_monitor64): New. 64bit monitor.
6179 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6182 * config/i386/i386.c (classify_argument): Skip fields with invalid
6185 2006-05-07 Richard Guenther <rguenther@suse.de>
6187 PR tree-optimization/27409
6188 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6189 Do not try to find zero-sized subvars.
6191 2006-05-07 Richard Guenther <rguenther@suse.de>
6193 PR tree-optimization/27136
6194 * tree-ssa-loop-niter.c (get_val_for): Correct function
6195 comment, assert requirements.
6196 (loop_niter_by_eval): Stop processing if the iterated
6197 value did not simplify.
6199 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6201 * opts.c (flag_see): remove its setting at -O3.
6203 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6205 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6206 * arm/constraints.md: New file.
6207 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6208 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6209 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6210 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6211 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6212 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6213 * arm.md: Include constraints.md.
6214 (thumb_movsi_insn): Use satisfies_constraint_J.
6215 (movhi, movqi): Use satisfies_constraint_I.
6217 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6219 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6220 for atmeg a645 device.
6222 2006-05-06 Richard Guenther <rguenther@suse.de>
6224 PR tree-optimization/27151
6225 * tree-vect-transform.c (vectorizable_condition): Punt on
6226 values that have a different type than the condition.
6228 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6231 * c-parser.c (c_parser_cast_expression): Only insert casts into
6232 hash table if pointer.
6233 * function.c (used_types_insert_helper): Rename from
6235 (used_types_insert): Call used_types_insert_helper.
6236 * function.h (used_types_insert): Accept only one argument.
6238 2006-05-05 David Edelsohn <edesohn@gnu.org>
6240 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6241 scratch with output modifier.
6243 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6246 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6247 with output modifier.
6249 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6252 * config/mips/mips.c (mips_symbolic_address_p): Return true
6253 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6254 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6256 2006-05-04 Richard Guenther <rguenther@suse.de>
6258 PR tree-optimization/14287
6259 PR tree-optimization/14844
6260 PR tree-optimization/19792
6261 PR tree-optimization/21608
6262 PR tree-optimization/27090
6263 * tree-ssa-pre.c (try_combine_conversion): New function.
6264 (compute_avail): After constructing the value-handle
6265 expression, use try_combine_conversion to combine NOP_EXPRs
6266 with previous value-handle expressions and use the result if it
6269 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6271 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6273 2006-05-04 Jan Hubicka <jh@suse.cz>
6276 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6278 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6280 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6281 that this only matches CONST_INTs. All users changed to VOIDmode
6284 * config/bfin/bfin.c: Include "optabs.h".
6285 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6287 (enum bfin_builtins): Add a number of fractional and vector builtins.
6288 (bfin_init_builtins): Likewise.
6289 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6290 (safe_vector_operand, bfin_expand_binop_builtin,
6291 bfin_expand_unop_builtin): New functions.
6292 (bfin_expand_builtin): Handle the new builtins.
6293 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6296 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6299 * Makefile.in (OBJS-common): Add see.o.
6300 (see.o): Add dependencies.
6301 * common.opt (fsee): New flag for the see optimization was added.
6302 * opts.c (flag_see): Initialized.
6303 * passes.c (init_optimization_passes, pass_see): New pass.
6304 * rtl.h (see_main): Declaration as extern.
6305 * timevar.def (TV_SEE): New.
6306 * tree-pass.h (pass_see): Declaration as extern.
6307 * invoke.texi (-fsee): Document.
6308 * recog.c (validate_simplify_insn): New function.
6309 * recog.h (validate_simplify_insn): Declaration as extern.
6310 * df-problems.c (df_chain_dump): Check for NULL.
6312 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6313 Daniel Berlin <dberlin@dberlin.org>
6315 * cfgrtl.c (insert_insn_bb_end_new): New function.
6316 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6318 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6320 * df.h (struct web_entry): Moved from web.c.
6321 (union_defs): Declaration as extern.
6322 (unionfind_root): Likewise.
6323 (unionfind_union): Likewise.
6324 * web.c (struct web_entry): Moved to df.h.
6325 (unionfind_root): Remove static declaration.
6326 (unionfind_union): Likewise.
6327 (union_defs): Likewise and generalize to use callback function.
6328 (web_main): Update arguments for union_defs function call.
6330 2006-05-04 Richard Guenther <rguenther@suse.de>
6332 PR tree-optimization/26447
6333 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6334 produce SSA_NAME copies before the store stmt to avoid
6335 breaking exception handling.
6337 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6340 * gimplify.c (omp_is_private): If var is shared in some outer context,
6341 return false instead of true. Stop searching on parallel context
6344 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6347 * coverage.c: Use get_gcov_unsigned_t() instead of
6348 unsigned_type_node all over.
6350 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6352 PR tree-optimization/27381
6353 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6354 maintain the same immediate_use links.
6355 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6356 node rather than segfaulting.
6358 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6361 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6362 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6363 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6365 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6367 Fix PR tree-optimization/26626
6368 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6370 * tree-ssa-operands.c (access_can_touch_variable): Allow
6371 typecasting through union pointers.
6373 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6376 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6377 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6378 to find if var will be a global variable even in the nested context.
6379 (omp_copy_decl): Only check for global variable at the end, it might
6380 be overridden in outer contexts.
6381 (scan_sharing_clauses): For global variables don't create a field.
6382 (lower_rec_input_clauses): Do nothing for global shared variables.
6383 Emit a barrier at the end of ILIST if there were any decls in both
6384 firstprivate and lastprivate clauses.
6385 (lower_send_clauses): Do nothing for global variables except for
6388 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6390 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6391 of the correct signedness is returned.
6393 2006-05-02 Jeff Law <law@redhat.com>
6395 PR tree-optimization/27364
6396 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6397 multiply expressions.
6399 2006-05-02 Tom Tromey <tromey@redhat.com>
6401 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6403 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6406 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6407 -mthumb -fPIC are used.
6409 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6410 Joshua Kinard <kumba@gentoo.org>
6413 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6414 with 64-bit pointers.
6416 2006-05-02 Paul Brook <paul@codesourcery.com>
6418 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6420 (create_fix_barrier): Check that a suitable barrier location is
6422 (arm_reorg): Include ftmp->address in allowable range of addresses.
6424 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6427 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6430 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6433 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6434 around RESULT_DECL for result passed by reference.
6435 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6436 * omp-low.c (use_pointer_for_field): Don't look at
6437 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6438 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6439 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6440 time or var for passing by reference for
6441 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6442 TREE_ADDRESSABLE variables when passing by reference.
6444 * omp-low.c (dump_omp_region): Fix output formatting.
6447 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6448 (expand_omp_parallel): Likewise.
6449 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6452 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6453 on statement list containing also constructors and destructors.
6454 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6457 * except.c (duplicate_eh_regions): Fix clearing of
6458 cfun->eh->region_array entries.
6460 2006-05-01 DJ Delorie <dj@redhat.com>
6462 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6464 (gcc_cv_objdump): Likewise.
6465 * configure: Regenerated.
6467 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6470 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6471 templates for case 3 and 4.
6473 2006-05-01 DJ Delorie <dj@redhat.com>
6475 * vec.c: Include bconfig.h when appropriate.
6476 * Makefile.in (build/vec.o): Adjust dependencies.
6477 * mkconfig.sh: Make sure config.h isn't used for build machine
6480 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6482 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6484 (mark_phi_for_rewrite): New function.
6485 (insert_phi_nodes_for, mark_use_interesting): Call
6486 mark_phi_for_rewrite.
6487 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6488 (update_ssa): Initialize and free phis_to_rewrite.
6490 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6492 PR rtl-optimization/27291
6493 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6494 folded to a constant.
6496 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6498 PR tree-optimization/27283
6499 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6500 not whole # of iteration descriptions.
6501 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6502 uses abnormal ssa name.
6503 (niter_for_single_dom_exit): Ditto.
6504 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6505 return just the number of iterations.
6507 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6509 PR tree-optimization/27144
6510 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6511 (record_estimate): Only record constant upper bound.
6512 (infer_loop_bounds_from_undefined): Call
6513 compute_estimated_nb_iterations just once.
6514 (proved_non_wrapping_p): Renamed to ...
6515 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6516 (convert_step_widening, scev_probably_wraps_p): Call
6517 n_of_executions_at_most instead of proved_non_wrapping_p.
6518 (substitute_in_loop_info): Do not replace values in bounds.
6519 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6522 2006-05-01 Richard Henderson <rth@redhat.com>
6525 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6526 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6529 2006-05-01 Roger Sayle <roger@eyesopen.com>
6531 * c-typeck.c (parser_build_binary_op): Don't call the function
6532 unsigned_conversion_warning to spot operand/result type overflow.
6533 (build_binary_op): Instead, call convert_and_check instead of
6534 convert to report the problem when the operands are promoted.
6535 * c-common.c (unsigned_conversion_warning): Make static.
6536 * c-common.h (unsigned_conversion_warning): Delete prototype.
6538 2006-05-01 Richard Guenther <rguenther@suse.de>
6540 PR tree-optimization/26726
6541 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6543 (find_interesting_uses_address): ... we work around here
6544 by folding INDIRECT_REFs in the substituted base.
6546 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6548 * omp-low.c (dump_omp_region): Add newlines.
6550 2006-04-30 Roger Sayle <roger@eyesopen.com>
6552 * common.opt (Woverflow): New command line option.
6553 * c-common.c (constant_expression_warning): Check warn_overflow.
6554 (overflow_waring): Pass OPT_Woverflow to warning.
6555 (unsigned_conversion_warning): Likewise.
6556 (convert_and_check): Likewise.
6557 * doc/invoke.texi: Document new command line option.
6559 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6561 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6562 TARGET_NO_FP_IN_TOC for section anchors.
6563 (optimization_options): Enable section anchors for all
6564 non-"Objective" languages.
6566 2006-04-28 Eric Christopher <echristo@apple.com>
6568 * config/darwin-c.c (darwin_ms_struct): Move this
6569 (darwin_set_default_type_attributes): and this...
6570 * config/darwin.c: ... here.
6571 * config/darwin.h (darwin_ms_struct): Declare.
6573 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6575 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6577 2006-04-28 Roger Sayle <roger@eyesopen.com>
6580 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6581 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6582 an unsigned HOST_WIDE_INT.
6583 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6585 (really_start_incremental_init): No need to call convert because
6586 bitsize_zero_node is already of type bitsizetype.
6587 (push_init_level): Extract the value of constructor_index as an
6588 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6589 (process_init_element): Likewise.
6591 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6593 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6594 value before passing to make_relative_prefix.
6596 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6599 * builtins.c (expand_builtin_memset): Expand val in original mode.
6601 2006-04-27 Eric Christopher <echristo@apple.com>
6603 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6604 with #ifndef/#endif.
6605 * config/darwin-c.c (darwin_ms_struct): New.
6606 (darwin_pragma_ms_struct): Ditto.
6607 (darwin_set_default_type_attributes): Ditto.
6608 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6609 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6610 Register ms_struct pragma.
6611 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6612 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6613 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6614 darwin_set_default_type_attributes if TARGET_MACHO.
6616 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6618 PR tree-optimization/26854
6619 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6620 * doc/tree-ssa.texi: Update immuse iterator documentation.
6621 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6622 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6623 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6624 first_safe_imm_use, next_safe_imm_use): Remove.
6625 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6626 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6627 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6628 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6629 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6630 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6631 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6632 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6633 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6634 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6635 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6636 (perfect_nestify): Use new iterator.
6637 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6639 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6640 (next_imm_name): New field in struct immediate_use_iterator_d.
6641 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6642 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6643 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6644 * tree-cfg.c (replace_uses_by): Use new iterator.
6645 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6646 * tree-ssa-operands.c (correct_use_link): Remove.
6647 (finalize_ssa_use_ops): No longer call correct_use_link.
6649 2006-04-27 Stuart Hastings <stuart@apple.com>
6651 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6652 * config/t-darwin (crt3.o): Use it.
6653 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6654 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6655 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6656 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6657 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6660 2006-04-27 Roger Sayle <roger@eyesopen.com>
6662 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6663 size, force the intermediate into a new pseudo rather instead of
6664 performing both a bitwise AND and a bitwise IOR in memory.
6666 2006-04-27 Richard Guenther <rguenther@suse.de>
6668 PR rtl-optimization/26685
6669 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6670 this one "max-flow-memory-locations".
6672 2006-04-27 Richard Guenther <rguenther@suse.de>
6674 PR tree-optimization/25148
6675 * tree-vrp.c (compare_values): Remove code dealing with
6676 comparisons against type min/max value. Honour overflow
6677 and negative constants in code dealing with comparisons
6678 of plus and minus expressions.
6679 (value_inside_range): Use fold_binary with LE_EXPR and
6680 GE_EXPR rather than compare_values.
6682 2006-04-27 Dirk Mueller <dmueller@suse.de>
6684 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6687 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6689 * basic-block.h (safe_insert_insn_on_edge): Removed.
6690 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6692 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6693 Paolo Bonzini <bonzini@gnu.org>
6696 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6697 (simplify_and_const_int): Same.
6699 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6701 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6703 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6706 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6707 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6708 cgraph_global_info_ready.
6711 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6714 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6715 either decl or init is error_mark_node.
6718 * tree-flow.h (struct omp_region): Add sched_kind.
6719 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6720 instead of extracting omp for data.
6721 (expand_omp_for): Save extracted sched_kind.
6723 2006-04-25 Roger Sayle <roger@eyesopen.com>
6725 * expmed.c (store_bit_field): Also check whether the bitsize is
6726 valid for the machine's "insv" instruction before moving the
6727 target into a pseudo for use with the insv.
6728 * config/i386/predicates.md (const8_operand): New predicate.
6729 * config/i386/i386.md (extv, extzv, insv): Use the new
6730 const8_operand predicate where appropriate.
6732 2006-04-25 DJ Delorie <dj@redhat.com>
6734 * doc/install.texi (Specific): Clarify that this is not a list of
6735 supported hosts or targets.
6737 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6739 PR rtl-optimization/26725
6740 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6741 block's BB_DIRTY flag.
6743 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6745 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6748 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6749 to print an integer.
6751 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6753 * varasm.c (align_variable): New function.
6754 (get_block_for_decl): Apply align_variable to DECL before
6755 calculating section information.
6756 (assemble_variable): Split out alignment computation.
6758 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6760 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6763 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6765 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6766 MODE_PARTIAL_INT mode.
6767 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6768 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6770 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6771 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6773 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6775 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6777 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6778 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6779 MACFLAG_IH): Likewise.
6780 (movstricthi_1): Renamed from "*movstricthi".
6781 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6782 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6783 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6784 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6785 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6786 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6787 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6788 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6789 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6790 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6791 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6792 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6793 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6794 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6795 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6797 * doc/rtl.texi (ss_ashift): Improve wording.
6799 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6801 * dwarf2out.c (verify_marks_clear): New.
6802 (prune_unused_types): Call verify_marks_clear initially, not
6805 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6807 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6808 * doc/rtl.texi: Document them.
6809 * simplify-rtx.c (simplify_unary_operation,
6810 simplify_binary_operation_1): Don't abort when we see them.
6812 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6815 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6816 * configure.ac: Completely disregard languages that are not
6818 * configure: Regenerated.
6820 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6821 Richard Guenther <rguenther@suse.de>
6823 PR tree-optimization/27236
6824 * tree-inline.c (copy_body_r): Make sure to copy
6825 TREE_THIS_VOLATILE flag.
6827 2006-04-24 Richard Guenther <rguenther@suse.de>
6830 * tree-complex.c (update_parameter_components): Don't handle
6831 unused parameters which have no default def.
6833 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6834 Richard Guenther <rguenther@suse.de>
6836 PR tree-optimization/27218
6837 * tree-inline.c (expand_call_inline): Strip useless type
6838 conversions for the return slot address.
6840 2006-04-24 Richard Guenther <rguenther@suse.de>
6842 * cfgloop.h (struct loops): Remove unused field array. Reorder
6844 (LOOP_PREFETCH): Remove.
6846 2006-04-24 Richard Guenther <rguenther@suse.de>
6848 PR tree-optimization/22525
6849 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6850 variable, adjust types of generated expressions.
6852 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6854 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6855 (tree-vect-patterns.o): Likewise.
6857 (cselib.o): Likewise.
6858 (loop-doloop.o): Likewise.
6859 (regclass.o): Likewise.
6860 (reload1.o): Likewise.
6861 (explow.o): Replace target.h with $(TARGET_H).
6862 (ipa-prop.o): Likewise.
6863 (ipa-cp.o): Likewise.
6864 (ipa-inline.o): Likewise.
6865 (reorg.o): Likewise.
6866 (reg-stack.o): Likewise.
6868 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6870 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6872 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6874 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6876 * configure.ac: Completely disregard languages that are not
6878 * configure: Regenerated.
6881 * c-common.h (c_build_bitfield_integer_type): Declare.
6882 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6883 * c-common.c (c_build_bitfield_integer_type): ... here.
6885 2006-04-23 Roger Sayle <roger@eyesopen.com>
6888 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6889 a SImode SUBREG of a floating point register after no_new_pseudos.
6891 2006-04-23 Roger Sayle <roger@eyesopen.com>
6893 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6894 identify potentially eliminable registers to additionally catch
6895 VIRTUAL_INCOMING_ARGS_REGNUM.
6896 (addsi3): Update the conditions on when to use addsi_small_int.
6898 2006-04-23 Roger Sayle <roger@eyesopen.com>
6901 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6902 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6903 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6905 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6907 * fold-const.c (range_predecessor): Use operand_equal_p
6908 as the predicate for equality.
6909 (range_successor): Likewise.
6911 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6914 * config/soft-fp/op-common.h: Fix a typo.
6916 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6919 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6920 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6922 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6924 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6926 * doc/tm.texi: Fix a typo.
6928 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6930 * dwarf2out.c (struct die_struct): Document that die_sib makes
6931 a circular linked list.
6932 (FOR_EACH_CHILD): New.
6933 (reverse_die_lists): Delete.
6934 (reverse_all_dies): Delete.
6935 (add_dwarf_attr): Correct documentation.
6936 (remove_child_with_prev): New.
6937 (remove_child_TAG): Update for change to die_struct, use
6938 remove_child_with_prev.
6939 (add_child_die): Update for change to die_struct.
6940 (splice_child_die): Use remove_child_with_prev and add_child_die.
6941 (print_die): Use FOR_EACH_CHILD.
6942 (die_checksum): Likewise.
6943 (assign_symbol_names): Likewise.
6944 (output_location_lists): Likewise.
6945 (build_abbrev_table): Likewise.
6946 (calc_die_sizes): Likewise.
6947 (mark_dies): Likewise.
6948 (unmark_dies): Likewise.
6949 (unmark_all_dies): Likewise.
6950 (output_die): Likewise.
6951 (prune_unused_types_mark): Likewise.
6952 (prune_unused_types_walk): Likewise.
6953 (same_die_p): Update for change to die_struct.
6954 (break_out_includes): Likewise.
6955 (prune_unused_types_prune): Likewise.
6956 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6957 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6959 (dwarf2out_finish): Don't call reverse_all_dies.
6961 2006-04-21 Eric Christopher <echristo@apple.com>
6963 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6964 in comments and function names.
6966 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6969 * c-typeck.c (digest_init): Robustify.
6971 * c-typeck.c (pop_init_level): Simplify.
6973 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6975 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6977 2006-04-21 Paul Brook <paul@codesourcery.com>
6979 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6980 hardware floating point.
6982 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6984 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6987 2006-04-21 Nick Clifton <nickc@redhat.com>
6989 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6992 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6995 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6996 C++ lang type in traceback table for Objective-C++.
6998 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7000 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7002 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7004 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7007 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7008 were errors. Remove check for erroneous objects.
7010 2006-04-20 Jeff Law <law@redhat.com>
7012 PR tree-optimization/26854
7013 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7014 checking for zero or one use.
7015 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7016 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7017 * tree-ssa-reassoc.c (negate_value): Similarly.
7018 (reassociate_bb): Similarly.
7020 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7022 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7023 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7024 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7026 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7028 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7029 fp regs if the last fp arg doesn't fit in regs.
7031 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7034 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7035 that the last insn has the REG_INC note.
7037 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7038 Nathan Sidwell <nathan@codesourcery.com>
7041 * stor-layout.c (update_alignment_for_field): Do not align
7043 (place_union_field): Place union field at the start of the union.
7044 (place_field): Move ERROR_MARK check later, and use the current
7045 allocation position to maintain monotonicity.
7047 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7049 * dominance.c: Include timevar.h.
7050 (calculate_dominance_info): Use TV_DOMINANCE.
7051 * timevar.def (TV_DOMINANCE): New timevar.
7052 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7054 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7056 PR rtl-optimization/14261
7057 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7058 move would be an INSV insn.
7059 (noce_process_if_block): Don't optimize if the destination is a
7060 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7062 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7064 * config/s390/s390.md: Add comments with the instructions emitted
7065 by an insn pattern if macros are used.
7067 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7069 PR rtl-optimization/26026
7070 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7071 is a known power of two shifted left a variable amount.
7073 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7075 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7076 to hash table twice when the debug_str section has SECTION_MERGE.
7078 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7080 * config/soft-fp: New directory. From glibc.
7081 * config/soft-fp/t-softfp: New.
7082 * config/soft-fp/README: New.
7083 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7084 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7085 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7086 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7087 * config.gcc: Use rs6000/t-fprules-fpbit or
7088 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7090 * config/rs6000/sfp-machine.h: New. Based on glibc.
7091 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7093 * config/rs6000/t-fprules: Remove fp-bit rules.
7094 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7095 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7096 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7097 (softfp_wrap_start, softfp_wrap_end): New.
7099 2006-04-18 DJ Delorie <dj@redhat.com>
7101 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7103 2006-04-18 Devang Patel <dpatel@apple.com>
7105 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7107 2006-04-18 Nick Clifton <nickc@redhat.com>
7109 * config/sh/t-symbian: Add rule to build sh-c.o
7110 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7111 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7112 (sh_symbian_encode_section_info): Likewise.
7114 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7116 * builtins.c (expand_builtin_strcmp): Cover label definition of
7117 do_libcall with HAVE_cmpstrnsi.
7119 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7121 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7123 * function.h (temp_slot_p): New.
7124 (function): Change the type of x_used_temp_slots to
7125 VEC(temp_slot_p,gc) *.
7127 2006-04-18 Nick Clifton <nickc@redhat.com>
7129 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7130 flag_strength_reduce.
7132 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7134 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7138 Partial revert of revision 112637
7139 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7140 Dale Johannesen <dalej@apple.com>
7143 * regclass.c (struct reg_pref): Update documentation.
7144 (regclass): Set prefclass to NO_REGS if memory is the best option.
7145 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7147 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7149 PR tree-optimization/26821
7150 * tree-ssa-math-opts.c (get_constant_one): New.
7151 (insert_reciprocals): Use it.
7153 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7155 * dwarf2out.c (free_AT): Delete.
7156 (remove_AT): Update string ref counts.
7157 (remove_child_TAG): Don't call free_die.
7159 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7160 or DW_TAG_GNU_EINCL.
7161 (prune_unused_types_walk_attribs): Reset string refcounts.
7162 (prune_unused_types_update_strings): New.
7163 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7164 call free_die. Do call prune_unused_types_update_strings.
7165 (prune_unused_types): Empty debug_str_hash.
7167 2006-04-17 Roger Sayle <roger@eyesopen.com>
7169 * expr.c (expand_assignment): Optimize away no-op moves where the
7170 source and destination are equal and have no side-effects.
7172 2006-04-17 Richard Guenther <rguenther@suse.de>
7175 * reload.c (push_reload): Guard calls to get_secondary_mem
7178 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7180 * alias.c (reg_base_value, old_reg_base_value): Change the
7181 type to VEC(rtx,gc) *.
7182 (REG_BASE_VALUE, find_base_value, record_set,
7183 init_alias_analysis): Use VEC instead of VARRAY.
7185 * alias.c (alias_sets): Change the type to
7186 VEC(alias_set_entry,gc) *.
7187 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7188 VEC instead of VARRAY.
7189 (last_alias_set): Remove.
7191 * cgraph.h (cgraph_edge_p): New.
7192 Update the prototype of cgraph_function_versioning.
7193 * cgraphunit.c (cgraph_copy_node_for_versioning,
7194 cgraph_function_versioning): Use VEC instead of VARRAY.
7195 * ipa-cp.c (ipcp_insert_stage): Likewise.
7197 2006-04-16 Roger Sayle <roger@eyesopen.com>
7200 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7201 "A op B" or "A op C", we may need to convert A to the type of B and C.
7203 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7205 * target.h (struct gcc_target): Add mode_rep_extended.
7206 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7207 (init_num_sign_bit_copies_in_rep): Initialize it using
7209 (truncate_to_mode): Use it.
7210 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7211 * targhooks.h (default_mode_rep_extended): Declare it.
7212 * targhooks.c (default_mode_rep_extended): Define it.
7213 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7214 default_mode_rep_extended.
7215 (TARGET_INITIALIZER): Include it.
7216 * doc/tm.texi (Misc): Document it.
7217 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7218 (mips_truncated_to_mode): New function.
7220 2006-04-16 Roger Sayle <roger@eyesopen.com>
7223 * expr.c (compress_float_constant): Copy the narrow constant into
7224 a new pseudo before extending it to its final width.
7226 2006-04-16 Roger Sayle <roger@eyesopen.com>
7227 Andrew Pinski <pinskia@gcc.gnu.org>
7228 Dale Johannesen <dalej@apple.com>
7231 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7232 special case code to implement V8HImode and V16QImode with SSE2.
7234 2006-04-15 Roger Sayle <roger@eyesopen.com>
7236 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7237 trees are constructed with a suitable tree type.
7239 2006-04-15 Roger Sayle <roger@eyesopen.com>
7241 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7242 (integer_onep): Likewise.
7243 (integer_all_onesp): Likewise.
7244 (integer_pow2p): Likewise.
7245 (integer_nonzerop): Likewise.
7246 (real_zerop): Likewise.
7247 (real_onep): Likewise.
7248 (real_twop): Likewise.
7249 (real_minus_onep): Likewise.
7250 (int_size_in_bytes): Likewise.
7251 (host_integerp): Likewise.
7253 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7255 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7256 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7257 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7259 * tree-ssa-structalias.h (alias_info): Remove num_references.
7261 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7263 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7264 (output_bvb patterns): Likewise.
7265 * pa.c (output_bb): Use 'bb' insn for long branch case.
7266 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7267 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7268 1. Correct length operand for alternatives 1 and 2.
7269 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7270 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7272 2006-04-14 Roger Sayle <roger@eyesopen.com>
7274 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7275 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7276 were accidentally reverted by r112959.
7278 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7281 * except.h (eh_region_outermost): New prototype.
7282 * except.c (eh_region_outermost): New function.
7283 * tree-cfg.c (find_outermost_region_in_block): Use it.
7285 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7287 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7289 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7290 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7291 (init_reload, reload): Use VEC instead of VARRAY.
7292 * reload.h: Update the prototype for
7293 reg_equiv_memory_loc_varray.
7295 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7296 Eric Botcazou <ebotcazou@libertysurf.fr>
7298 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7301 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7304 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7305 to expand fallback builtin function call.
7307 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7310 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7311 and emit libcall here in case the builtin fails.
7312 (expand_builtin_strcmp): Always emit the libcall here on failure.
7314 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7316 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7317 * flow.c (reg_n_info): Change the type to
7318 VEC(reg_info_p,heap) *.
7319 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7321 * regs.h (reg_info_p): New.
7322 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7323 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7324 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7327 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7329 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7331 * params.h (MAX_SCHED_READY_INSNS): New macro.
7332 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7333 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7334 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7335 the ready list for 1 cycle during the first scheduling pass.
7336 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7338 2006-04-13 Richard Henderson <rth@redhat.com>
7341 * gimple-low.c (lower_omp_directive): Remove dead code.
7342 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7343 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7344 * omp-low.c (struct omp_region): Move to tree-flow.h.
7345 (root_omp_region): Export.
7346 (omp_regions, lookup_omp_region): Remove.
7347 (determine_parallel_type): Update for struct omp_region changes.
7348 (dump_omp_region): Dump regions with block numbers.
7349 (new_omp_region): Take type and block instead of stmt; malloc
7351 (free_omp_region_1, free_omp_regions): New.
7352 (expand_parallel_call): Take entry_stmt as argument; update for
7353 changes to omp_region.
7354 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7355 (remove_exit_barriers): New.
7356 (expand_omp_parallel): Update for struct omp_region changes.
7357 (expand_omp_synch): Likewise.
7358 (expand_omp): Likewise.
7359 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7360 (expand_omp_for_static_chunk): Likewise.
7361 (expand_omp_for): Likewise.
7362 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7363 (expand_omp_sections): Similarly, with GOMP_sections_end.
7364 (expand_omp_single): New.
7365 (build_omp_regions_1): Update for OMP_CONTINUE.
7366 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7367 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7368 OMP_SECTIONS_SECTIONS.
7369 (lower_omp_single_simple): Don't emit barrier here.
7370 (lower_omp_single_copy): Likewise.
7371 (lower_omp_single): Fix bindings, and lower to straightline now.
7372 (lower_omp_master, lower_omp_ordered): Likewise.
7373 (lower_omp_critical): Likewise.
7374 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7375 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7376 omp edges, free it afterward.
7377 (make_omp_sections_edges): Remove.
7378 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7379 (move_stmt_r): Handle OMP_CONTINUE.
7380 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7381 statement pointers to basic blocks. Add type member.
7382 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7383 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7384 * tree-inline.c (estimate_num_insns_1): Likewise.
7385 * tree-pretty-print.c (dump_generic_node): Likewise.
7386 * tree-ssa-operands.c (get_expr_operands): Likewise.
7387 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7388 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7389 (OMP_CONTINUE): New.
7390 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7391 (OMP_SECTIONS_SECTIONS): Remove.
7392 (OMP_SECTION_LAST): New.
7393 (OMP_RETURN_NOWAIT): New.
7395 2006-04-13 Roger Sayle <roger@eyesopen.com>
7397 * fold-const.c (native_encode_vector, native_interpret_real):
7398 Correct obvious mistakes in the previous check-in.
7400 2006-04-13 Roger Sayle <roger@eyesopen.com>
7402 * fold-const.c (native_encode_expr): New function to encode
7403 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7404 or VECTOR_CST into a specified buffer.
7405 (native_encode_int): New function.
7406 (native_encode_real): New function.
7407 (native_encode_complex): New function.
7408 (native_encode_vector): New function.
7409 (native_interpret_expr): Inverse of native_encode_expr to convert
7410 a target representation into an INTEGER_CST, REAL_CST etc...
7411 (native_interpret_int): New function.
7412 (native_interpret_real): New function.
7413 (native_interpret_complex): New function.
7414 (native_interpret_vector): New function.
7415 (fold_view_convert_expr): New function to constant fold/evaluate
7416 a VIEW_CONVERT_EXPR of a suitable constant expression.
7417 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7418 Change call of build1 to fold_build1 when constructing a
7421 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7422 Ulrich Weigand <uweigand@de.ibm.com>
7425 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7428 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7431 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7432 optimize to lo_sum for DFmode if !TARGET_FPRS.
7434 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7436 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7437 delete_alias_info, compute_flow_sensitive_aliasing,
7438 group_aliases): Use VEC instead of VARRAY.
7439 * tree-ssa-structalias.c (update_alias_info): Likewise.
7440 * tree-ssa-structalias.h (alias_info): Change the type of
7441 processed_ptrs to VEC(tree,heap) *.
7443 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7446 * config/sh/lib1funcs.h: New file, broken out of:
7447 * config/sh/lib1funcs.asm.
7448 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7450 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7451 * config/sh/lib1funcs-Os-4-200.asm: New file.
7452 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7453 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7454 (EXTRA_MULTILIB_PARTS): Include it.
7455 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7456 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7457 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7458 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7461 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7463 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7464 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7465 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7467 * tree-ssa-live.h: Include vecprim.h.
7468 (tree_partition_associator_d): Change the type of
7469 first_partition to VEC(int,heap) *.
7470 (tpa_first_partition): Use VEC instead of VARRAY.
7472 * Makefile.in (GTFILES): Move functions.h after tree.h.
7473 * function.c (reset_block_changes, record_block_change,
7474 check_block_change, free_block_changes): Use VEC instead of
7476 * function.h (function): Change the type of
7477 ib_boundaries_block to VEC(tree,gc) *.
7478 * tree-inline.c (copy_cfg_body): Initialize
7479 ib_boundaries_block to NULL instead of (varray_type) 0.
7481 2006-04-12 Roger Sayle <roger@eyesopen.com>
7483 * expr.c (emit_group_store): Correct operand order in call to
7484 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7485 a SUBREG_BYTE of zero.
7487 2006-04-12 Richard Guenther <rguenther@suse.de>
7489 * profile.c (compute_branch_probabilities): Remove code
7490 encapsulated in !ir_type (), which are remanents of the
7491 removed RTL profiling code.
7492 * rtl-profile.c: Remove.
7494 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7496 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7497 magic NULL_RTX comment.
7498 (function_arg): Store entire fp arg to mem if any part should go
7500 (rs6000_arg_partial_bytes): Adjust for above change.
7502 2006-04-11 Roger Sayle <roger@eyesopen.com>
7504 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7505 if it hasn't been initialized by dwarf2out_init.
7507 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7509 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7510 symbolic constants in branch patterns.
7512 2006-04-11 Roger Sayle <roger@eyesopen.com>
7514 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7516 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7518 PR rtl-optimization/27073
7519 * gcse.c (try_replace_reg): Revert last change. Continue to search
7520 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7523 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7525 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7526 aggregate types other than record and union types.
7527 (function_arg): Likewise.
7528 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7530 (function_value): In 64-bit mode, return objects that require it
7533 2006-04-11 Roger Sayle <roger@eyesopen.com>
7535 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7537 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7539 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7541 2006-04-03 Jeff Law <law@redhat.com>
7544 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7545 alias information too.
7547 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7549 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7551 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7554 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7555 (premark_used_types_helper): New.
7556 (premark_used_types): New.
7557 (gen_subprogram_die): Call premark_used_types.
7558 (prune_unused_types_walk): Do not prune perennial dies.
7559 * function.c (used_types_insert): New.
7560 * function.h (struct function): Add used_types_hash field.
7561 (used_types_insert): Add prototype.
7562 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7563 * c-parser.c (c_parser_cast_expression): Save casted types in used
7566 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7569 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7570 rs6000_explicit_options.float_gprs.
7572 2006-04-10 Roger Sayle <roger@eyesopen.com>
7574 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7575 from ix86_expand_vector_init_low_nonzero. Take an additional
7576 one_var argument indicating which element is non-zero. Support
7577 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7578 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7579 with one_var instead of ix86_expand_vector_init_low_nonzero.
7581 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7583 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7584 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7585 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7586 build/genextract.o): Depend on vecprim.h.
7587 * cfglayout.c, df-problems.c, function.c, genextract.c,
7588 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7589 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7593 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7595 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7596 Declare VECs of this type.
7597 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7598 (remove_children): Delete.
7599 (add_dwarf_attr): Use VEC routines.
7600 (add_AT_flag): Update for changes to add_dwarf_attr.
7601 (add_AT_int): Likewise.
7602 (add_AT_unsigned): Likewise.
7603 (add_AT_long_long): Likewise.
7604 (add_AT_vec): Likewise.
7605 (add_AT_string): Likewise.
7606 (add_AT_die_ref): Likewise.
7607 (add_AT_fde_ref): Likewise.
7608 (add_AT_loc): Likewise.
7609 (add_AT_loc_list): Likewise.
7610 (add_AT_addr): Likewise.
7611 (add_AT_lbl_id): Likewise.
7612 (add_AT_lineptr): Likewise.
7613 (add_AT_macptr): Likewise.
7614 (add_AT_offset): Likewise.
7615 (add_AT_range_list): Likewise.
7616 (get_AT): Use VEC_iterate.
7617 (remove_AT): Use VEC_ordered_remove.
7618 (free_die): Fold remove_children into here; have it use VEC_iterate.
7619 (print_die): Use VEC_iterate on attrs.
7620 (reverse_die_lists): Don't reverse attr lists.
7621 (die_checksum): Use VEC_iterate on attrs.
7622 (same_die_p): Likewise.
7623 (output_location_lists): Likewise.
7624 (build_abbrev_table): Likewise.
7625 (size_of_die): Likewise.
7626 (unmark_all_dies): Likewise.
7627 (output_abbrev_section): Likewise.
7628 (output_die): Likewise.
7629 (prune_unused_types_walk_attribs): Likewise.
7631 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7633 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7635 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7638 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7640 2006-04-09 Roger Sayle <roger@eyesopen.com>
7642 * expr.c (store_constructor): Don't bother clearing target if
7643 we're about to assign a vector to it using vec_init_optab.
7645 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7647 * tree-ssa-alias.c (lhs_may_store_to): New function.
7648 (recalculate_used_alone): Handle LHS of calls.
7650 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7654 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7655 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7656 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7657 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7658 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7659 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7660 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7661 stubs. Add ".align 8" directives before all ".dword" directives.
7662 (GTHREAD_USE_WEAK): Revise comment.
7663 (TARGET_ATTRIBUTE_WEAK): Define.
7664 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7665 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7666 * stublib.c: New file.
7671 * pa.md (cbranch patterns): Revise arguments used in calls to
7672 output_cbranch, output_bb and output_bvd. Add long branch length
7674 (fbranch patterns): Handle long branches.
7675 (jump): Revise length check. Revise arguments for output_lbranch call.
7676 Add long branch length attributes.
7677 (decrement_and_branch_until_zero): Add long branch length attributes.
7678 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7679 Likewise. Revise arguments for output_parallel_addb and
7680 output_parallel_movb calls.
7681 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7682 output_parallel_movb and output_parallel_addb): Update prototypes.
7683 * pa.c (output_cbranch): Revise arguments. Correct handling of
7684 nullification in long branches.
7685 (output_lbranch): Add new argument to control extraction of delay
7687 (output_bb): Handle long branches.
7688 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7689 output_parallel_addb): Likewise.
7691 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7693 PR rtl-optimization/27073
7694 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7697 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7699 * tree.h (tree_memory_tag): Add old_used_alone.
7700 (SMT_OLD_USED_ALONE): New macro.
7701 * tree-ssa-alias.c (recalculate_used_alone): Stop
7702 marking things for renaming unnecessarily.
7704 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7706 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7707 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7708 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7709 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7710 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7711 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7712 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7713 spelling convensions.
7714 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7715 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7716 typos. Follow spelling conventions.
7718 2006-04-07 DJ Delorie <dj@redhat.com>
7720 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7721 passed on the stack.
7722 (m32c_init_cumulative_args): When a function returns a structure,
7723 always pass the pointer to that return area on the stack.
7724 (m32c_function_arg_advance): Don't increment the parameter number
7725 if we're processing the returned structure pointer.
7726 (pushm_info): Reverse order of registers.
7728 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7730 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7731 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7732 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7733 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7735 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7736 chrec_fold_multiply): Same.
7737 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7738 force_expr_to_var_cost): Same.
7739 * tree-mudflap.c (mf_xform_derefs_1): Same.
7740 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7742 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7744 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7745 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7748 2006-04-07 Jan Hubicka <jh@suse.cz>
7750 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7752 2006-04-07 Richard Guenther <rguenther@suse.de>
7754 PR tree-optimization/26135
7755 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7756 loads for store copy-prop.
7757 (copy_prop_visit_stmt): Likewise.
7759 2006-04-05 Robert Millan <robertmh@gnu.org>
7761 * config/i386/linux.h: Add a comment to mark macros that are
7762 being overriden in config/k*bsd-gnu.h.
7763 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7765 * config/knetbsd-gnu.h: Ditto.
7767 2006-04-06 Jan Hubicka <jh@suse.cz>
7771 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7774 2006-04-06 Mike Stump <mrs@apple.com>
7776 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7777 for HAVE_nonlocal_goto to be consistent.
7778 (expand_builtin_nonlocal_goto): Likewise.
7779 (expand_builtin_strcmp): Use #ifdef instead of #if
7780 for HAVE_cmpstrnsi to be consistent.
7782 2006-04-05 DJ Delorie <dj@redhat.com>
7784 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7787 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7789 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7790 got-relative addressing for anything but SImode.
7792 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7793 even if the calling function doesn't modify them.
7795 2006-04-05 Richard Guenther <rguenther@suse.de>
7797 PR tree-optimization/26919
7798 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7799 to cgraph_estimate_size_after_inlining.
7801 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7803 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7805 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7807 PR tree-optimization/26996
7808 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7809 VECTOR_TYPE variables.
7811 2006-04-05 Richard Guenther <rguenther@suse.de>
7813 PR tree-optimization/26763
7814 * fold-const.c (fold_comparison): Move folding of
7815 PTR + CST CMP PTR + CST ...
7816 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7818 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7820 * doc/install.texi (Prerequisites): Refine some wording on
7821 bootstrapping and ksh.
7822 Move the version numbers of DejaGnu here from the testing section
7823 and fix casing of names.
7824 Fix markup and clarify wording for autogen requirements.
7825 Refer to GCJ instead of just java.
7826 Refer to SVN instead of CVS.
7827 Describe diffutils as useful instead of necessary.
7828 (Downloading the source): Refer to SVN instead of CVS.
7829 Adjust a link to our web site accordingly.
7830 (Configuration): Fix casing of Bison.
7831 (Building): Refer to SVN instead of CVS.
7832 Fix a sentence on the use of Bison and remove duplicate (and
7833 incorrect) version number of Bison requirement.
7834 Remove one redundant list of packages needed for building.
7835 (Specific): Avoid reference to CVS.
7837 2006-04-04 Eric Christopher <echristo@apple.com>
7839 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7840 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7841 (rs6000_handle_struct_attribute): New.
7842 (rs6000_ms_bitfield_layout_p): Ditto.
7844 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7846 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7847 NULL for dso parameter to atexit_common.
7849 2006-04-04 Eric Christopher <echristo@apple.com>
7851 * config/i386/i386.c (machopic_output_stub): Output \t
7852 between instructions and operands.
7854 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7856 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7857 satisfies_constraint_[IL] to explicit tests on value.
7859 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7861 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7862 set_nb_iterations_in_loop): Use build_int_cst instead of
7864 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7865 build_int_cst instead of convert.
7867 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7869 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7870 new value 2 for incoming.
7871 * function.c (expand_function_start): Call struct_value_rtx
7873 * config/sparc/sparc.md: Comment updated_return.
7874 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7875 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7876 struct return if sparc_std_struct_return and incoming is 2.
7877 (print_operand): Do not adjust return if
7878 sparc_std_struct_return.
7880 2006-04-04 Roger Sayle <roger@eyesopen.com>
7882 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7883 convert in the middle-end.
7884 * expr.c (store_expr, store_constructor, get_inner_reference,
7885 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7887 * tree.c (build_range_type): Likewise.
7889 2006-04-04 Tom Tromey <tromey@redhat.com>
7891 * doc/install.texi (Prerequisites): Mention jar.
7893 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7895 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7898 2006-04-04 Matthias Klose <doko@debian.org>
7900 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7904 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7907 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7909 * doc/extend.texi (Function Attributes): Rewrite visibility
7910 attribute documentation.
7911 * doc/invoke.texi (C++ Dialect Options): Rewrite
7912 -fvisibility-inlines-hidden documentation to describe something
7913 entirely different, although in practise compatible.
7914 (Code Gen Options): Warn about system headers in -fvisibility=
7917 * doc/extend.texi (Other Builtins): Document that
7918 __builtin_nan is a compile-time constant only when its argument
7921 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7923 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7924 trying to remove TRUNCATE check if all bits outside the new mode
7925 are identical to the sign bit.
7927 2006-04-03 Jeff Law <law@redhat.com>
7929 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7930 and operand scanning in some common cases.
7932 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7933 Dale Johannesen <dalej@apple.com>
7936 * regclass.c (struct reg_pref): Update documentation.
7937 (regclass): Set prefclass to NO_REGS if memory is the best option.
7938 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7939 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7940 into account. For non-registers, equate an empty preferred
7941 reload class to a `!' in the constraint; move the if clause to
7942 do so after those that reject the insn.
7943 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7945 (find_dummy_reload): Likewise.
7946 * doc/tm.texi (Register Classes): Document what it means
7947 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7948 * config/i386/i386.c (ix86_preferred_reload_class): Force
7949 using SSE registers (and return NO_REGS for floating-point
7950 constants) if math is done with SSE.
7951 (ix86_preferred_output_reload_class): New.
7952 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7953 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7954 * config/i386/i386.md: Remove # register preferences.
7956 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7959 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7960 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7961 the type of nb_iter.
7962 (instantiate_parameters_1): Convert the operands before calling
7963 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7964 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7966 2006-04-02 Roger Sayle <roger@eyesopen.com>
7968 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7969 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7971 * dojump.c (do_jump): Likewise.
7972 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7973 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7974 gimplify_boolean_expr): Likewise.
7975 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7976 * varasm.c (array_size_for_constructor): Likewise.
7977 * tree-object-size.c (compute_object_offset): Likewise.
7979 2006-04-02 Roger Sayle <roger@eyesopen.com>
7982 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7983 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7985 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7987 PR tree-optimization/26939
7988 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7990 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7992 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7993 at_stmt. Convert the type of operands before calling
7994 build_polynomial_chrec.
7995 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7997 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7998 (instantiate_parameters_1): Convert the type of operands before calling
7999 build_polynomial_chrec.
8000 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8001 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8002 reset_evolution_in_loop): Insert asserts to check the types of the
8004 (chrec_type): Moved...
8005 (eq_evolutions_p): Use operand_equal_p.
8006 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8007 the types of the operands.
8008 (chrec_type): ...here.
8009 * tree-data-ref.c (create_data_ref): Convert the operands before
8010 calling chrec_replace_initial_condition.
8011 (same_access_functions, analyze_subscript_affine_affine,
8012 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8013 (compute_subscript_distance, analyze_ziv_subscript,
8014 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8015 analyze_miv_subscript): Convert the operands before calling
8016 chrec_fold_minus or chrec_fold_plus.
8018 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8020 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8021 the dependence_relations vector.
8022 (compute_data_dependences_for_loop): Adjust call to
8023 compute_all_dependences.
8025 2006-04-01 Roger Sayle <roger@eyesopen.com>
8026 Richard Henderson <rth@redhat.com>
8028 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8029 gimple_boolify on the condition before calling gimplify_expr.
8031 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8033 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8034 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8035 the frame size. Update to use the new macros.
8036 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8037 * config/xtensa/ieee754-df.S: Likewise.
8039 2006-03-31 Richard Henderson <rth@redhat.com>
8041 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8042 (make_edges): ... here. Control fallthru creation with a local
8043 variable. Do not play with fake edges.
8044 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8045 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8048 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8050 * dwarf2.h (DW64_CIE_ID): Define.
8051 * dwarf2out.c (DWARF_CIE_ID): Define.
8052 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8053 length header. Use DWARF_CIE_ID.
8054 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8055 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8057 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8059 * config/sh/linux-atomic.asm: New file.
8060 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8062 2006-03-31 DJ Delorie <dj@redhat.com>
8064 * config/m32c/cond.md: Set condition flags properly throughout.
8065 * config/m32c/minmax.md: Likewise.
8066 * config/m32c/prologue.md: Likewise.
8067 * config/m32c/bitops.md: Likewise.
8068 * config/m32c/muldiv.md: Likewise.
8069 * config/m32c/mov.md: Likewise.
8070 * config/m32c/addsub.md: Likewise.
8071 * config/m32c/m32c.md: Likewise.
8072 * config/m32c/jump.md: Likewise.
8073 * config/m32c/shift.md: Likewise.
8075 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8076 conditionally output the pattern for this.
8077 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8078 (m32c_compare_redundant): New.
8079 (m32c_output_compare): New.
8080 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8082 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8083 dest, not src. Allow other 4-byte modes.
8085 2006-03-30 Denis Chertykov <denisc@overta.ru>
8087 * doc/md.texi: Refer to avr/constraints.md instead of
8090 2006-03-30 Roger Sayle <roger@eyesopen.com>
8092 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8093 signed vs. unsigned comparison failures on some hosts.
8095 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8098 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8099 change to FLOAT_REGS.
8101 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8102 (rs6000_override_options): Use it.
8103 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8104 only for -mabi=spe/no-spe and -mabi=altivec.
8106 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8108 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8111 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8113 * Makefile.in: Rename docdir to gcc_docdir.
8115 2006-03-30 Roger Sayle <roger@eyesopen.com>
8118 * expr.c (emit_group_store): Optimize group stores into a pseudo
8119 register by using a paradoxical subreg to initialize the destination
8120 if the first or last member of the group specifies a "low part".
8122 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8125 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8126 * target.h (struct gcc_target.speculate_insn): Change type of the
8127 second parameter to 'int'.
8128 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8129 the second operand of the DEPS_LIST.
8130 (copy_DEPS_LIST_list): Update reference to the second operand of the
8132 * rtl.h (alloc_DEPS_LIST): Update signature.
8133 * sched-int.h (ds_t): Change typedef to 'int'.
8134 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8136 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8138 * haifa-sched.c (try_ready): Change condition to restore
8139 non-speculative pattern of the instruction.
8140 (process_insn_depend_be_in_spec): Code to keep probability of the
8141 speculative dependence non-decreasing.
8143 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8145 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8146 (single_move_for_movmem): ... this. Also change all uses.
8147 (bfin_expand_strmov): Renamed to...
8148 (bfin_expand_movmem): ... this. Also change all uses.
8149 * config/bfin/bfin.md (movstrsi): Renamed to...
8150 (movstrsi): ...this.
8152 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8154 PR tree-optimization/26830
8156 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8157 (copy_prop_visit_stmt): Remove write-only variable ann.
8158 (init_copy_prop): Check variable loop depth here. Do not simulate
8159 memory-tag and virtual operand PHIs except for store copy prop.
8161 2006-03-30 Richard Guenther <rguenther@suse.de>
8163 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8164 variants with double arguments.
8166 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8168 * genpreds.c (write_tm_constrs_h): Delete variable p.
8169 * genconditions.c (write_header): Add tm-constrs.h to included
8171 * genpeep.c (main): Add toplev.h to included headers.
8172 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8173 (build/genpeep.o): Add toplev.h dependency.
8174 * config/rs6000/constraints.md: Add "W" constraint.
8176 2006-03-29 Roger Sayle <roger@eyesopen.com>
8178 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8179 sizes by correctly testing whether the size fits a host integer.
8180 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8181 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8182 SImode range for the default sizetype and bitsizetype.
8184 2006-03-29 Roger Sayle <roger@eyesopen.com>
8186 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8187 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8188 quickly if the argument is already of the correct type.
8189 Call fold_build1 instead of build1. Tidy up blank lines.
8191 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8193 * genemit.c (main): Add tm-constrs.h to included headers.
8194 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8195 * genpeep.c (main): Add tm-constrs.h to included headers.
8196 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8197 (write_tm_constrs_h): this and write complete file.
8198 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8199 (write_insn_preds_c): Add tm-constrs.h to included headers.
8200 (gen_constrs): New variable.
8201 (parse_option): Parse "-c".
8202 (main): Invoke write_tm_constrs_h.
8203 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8204 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8205 (object_out_file): Add tm-constrs.h dependency.
8206 (insn-emit.o): Same.
8207 (insn-output.o): Same.
8208 (insn-peep.o): Same.
8209 (insn-preds.o): Same.
8210 (insn-recog.o): Same.
8211 (tm-constsr.h): New target.
8212 (s-constrs-h): New target.
8214 * config/rs6000/constraints.md: New file.
8215 * config/rs6000/rs6000.c: Include tm-constrs.h.
8216 (num_insn_constant_wide): Convert to satisfies_constraint.
8217 (rs6000_rtx_costs): Convert to satisfies_constraint.
8218 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8219 (CONST_OK_FOR_LETTER_P): Delete.
8220 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8221 (EXTRA_CONSTRAINT): Delete.
8222 (EXTRA_MEMORY_CONSTRAINT): Delete.
8223 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8224 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8225 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8226 satisfies_constraint.
8228 * config/i386/i386.c: Include tm-constrs.h.
8230 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8232 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8233 * tree-data-ref.c (find_data_references_in_loop,
8234 compute_data_dependences_for_loop): Use pointers to VEC.
8235 (analyze_all_data_dependences): Adjust calls.
8236 * tree-data-ref.h (find_data_references_in_loop,
8237 compute_data_dependences_for_loop): Adjust declarations.
8238 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8239 compute_data_dependences_for_loop.
8241 2006-03-29 Paul Brook <paul@codesourcery.com>
8243 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8246 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8248 PR tree-optimization/26859
8249 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8251 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8252 for the step after fold_convert.
8254 2006-03-29 Paul Brook <paul@codesourcery.com>
8256 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8257 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8259 2006-03-29 Paul Brook <paul@codesourcery.com>
8262 * targhooks.c (default_narrow_bitfield): New fuction.
8263 * targhooks.h (default_narrow_bitfield): add prototype.
8264 * target.h (gcc_target): Add narrow_volatile_bitfield.
8265 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8266 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8267 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8268 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8270 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8272 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8274 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8275 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8276 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8277 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8278 (s390_function_arg_float): Allow SDmode and DDmode values to be
8279 passed in floating point registers.
8280 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8281 check with SCALAR_FLOAT_MODE_P.
8282 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8284 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8286 PR tree-optimization/25985
8287 * tree-ssa-loop-niter.c (number_of_iterations_le,
8288 number_of_iterations_ne): Make comments more precise.
8289 (number_of_iterations_cond): Add only_exit argument. Use the
8290 fact that signed variables do not overflow only when only_exit
8292 (loop_only_exit_p): New.
8293 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8294 number_of_iterations_cond.
8296 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8298 PR tree-optimization/26643
8299 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8302 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8304 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8305 (divsi3_i4_int): Likewise.
8307 2006-03-28 Roger Sayle <roger@eyesopen.com>
8309 * expr.c (emit_group_store): Only create a new pseudo reg if the
8310 quantity it needs to hold isn't already a suitable pseudo.
8312 2006-03-28 Jeff Law <law@redhat.com>
8314 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8315 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8317 2006-03-28 Roger Sayle <roger@eyesopen.com>
8319 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8320 the equivalent ~X & Y, and the symmetry related transformations.
8321 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8322 ~X & Y, and symmetry related transforms.
8324 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8326 Revert my 2006-03-27 patches.
8328 2006-03-28 Roger Sayle <roger@eyesopen.com>
8330 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8331 ~(T1)X, when T1 and T2 are integer types of the same precision
8332 and (T2)X isn't an extension.
8334 2006-03-28 Jeff Law <law@redhat.com>
8336 PR tree-optimization/26796
8337 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8338 need EH edge cleanups rather than purging them immediately.
8339 (eliminate_degenerate_phis): Handle queued EH cleanups.
8341 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8343 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8346 2006-03-27 Roger Sayle <roger@eyesopen.com>
8349 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8350 cast BIT_NOT_EXPR operand to the correct type.
8352 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8354 * tree-loop-linear.c: Don't include varray.h.
8355 (gather_interchange_stats, try_interchange_loops,
8356 linear_transform_loops): Use VEC instead of VARRAY.
8357 * lambda-mat.c: Don't include varray.h.
8358 * tree-chrec.c: Same.
8359 * lambda-trans.c: Same.
8360 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8361 VEC instead of VARRAY.
8362 * tree-vectorizer.h: Idem.
8363 * tree-data-ref.c (dump_data_references,
8364 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8365 initialize_data_dependence_relation, finalize_ddr_dependent,
8366 compute_all_dependences, find_data_references_in_loop,
8367 compute_data_dependences_for_loop, analyze_all_data_dependences,
8368 free_dependence_relation, free_dependence_relations,
8369 free_data_refs): Idem.
8370 * tree-data-ref.h (data_reference_p, subscript_p): New.
8371 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8372 VEC instead of VARRAY.
8373 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8374 (find_data_references_in_loop, compute_data_dependences_for_loop,
8375 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8376 dump_data_dependence_relations, free_dependence_relations,
8377 free_data_refs): Adjust declaration.
8378 (lambda_transform_legal_p): Move declaration here...
8379 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8380 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8381 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8382 vect_analyze_data_refs): Use VEC instead of VARRAY.
8383 * lambda.h (lambda_transform_legal_p): ...from here.
8384 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8385 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8386 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8387 tree-chrec.o): Don't depend on VARRAY_H.
8389 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8391 * rtl.def (Copyright): Update date.
8392 (DEPS_LIST): Change type of the second operand to 'int'.
8393 * target.h (Copyright): Update date.
8394 (struct gcc_target.speculate_insn): Change type of the second parameter
8396 * lists.c (Copyright): Update date.
8397 (alloc_DEPS_LIST): Change signature. Update reference to the second
8398 operand of the DEPS_LIST.
8399 (copy_DEPS_LIST_list): Update reference to the second operand of the
8401 * rtl.h (Copyright): Update date.
8402 (alloc_DEPS_LIST): Update signature.
8403 * sched-int.h (Copyright): Update date.
8404 (ds_t): Change typedef to 'int'.
8405 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8407 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8409 * haifa-sched.c (Copyright): Update date.
8410 (try_ready): Change condition to restore non-speculative pattern
8412 (process_insn_depend_be_in_spec): Code to keep probability of the
8413 speculative dependence non-decreasing.
8415 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8417 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8418 shut up the compiler.
8420 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8422 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8423 to use lib prefix for target.
8424 ($(T)libic_invalidate_array_4-200.a): Likewise.
8425 ($(T)libic_invalidate_array_4a.a): Likewise.
8427 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8428 J"orn Rennecke <joern.rennecke@st.com>
8430 * superh.opt: New file.
8431 * sh.c (boardtype, osruntime): Remove.
8432 * superh.h (SUBTARGET_OPTIONS): Remove.
8433 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8435 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8436 arguments with ^ and/or [].
8438 * config.gcc (sh-*-*): Add quoting to account for quirk of
8440 Replace == with = in enable_incomplete_targets test.
8442 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8443 with MASK_LITTLE_ENDIAN.
8445 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8446 * config/sh/sh.opt: Added to some comments.
8447 * config/sh/superh.h: Removed some chaff.
8449 * config/sh/sh.opt: Add m4-[1234]00* options.
8450 * config/sh/sh.c (sh_handle_option): Likewise.
8451 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8452 (ic_invalidate_array_4-100.o): New rule.
8453 ($(T)libic_invalidate_array_4-100.a): Likewise.
8454 (ic_invalidate_array_4-200.o): Likewise.
8455 ($(T)libic_invalidate_array_4-200.a): Likewise.
8456 (ic_invalidate_array_4a.o): Likewise.
8457 ($(T)libic_invalidate_array_4a.a): Likewise.
8458 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8459 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8461 * config/sh/crt1.asm: Merged in profiling code.
8462 * config/sh/superh.h (STARTFILE_SPEC): Override.
8463 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8464 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8465 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8467 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8468 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8469 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8471 * sh.opt (mpretend-cmove): New option.
8472 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8473 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8474 (movsicc): Add TARGET_PRETEND_CMOVE code.
8476 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8478 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8479 s390_class_max_nregs): New function prototypes.
8480 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8481 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8482 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8483 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8485 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8487 * dwarf2out.c (add_location_or_const_value_attribute): Call
8488 tree_add_const_value_attribute if nothing else works.
8489 (reference_to_unused): New.
8490 (rtl_for_decl_init): Use reference_to_unused to decide whether
8491 to output an initializer.
8493 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8496 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8497 peephole removing spe frob_di_df_2.
8499 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8501 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8502 (subscript_dependence_tester_1): Declared.
8503 (print_dir_vectors, print_dist_vectors): New.
8504 (debug_data_dependence_relation): New.
8505 (dump_data_dependence_relation): Print more details.
8506 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8507 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8508 (save_dist_v, save_dir_v, add_outer_distances,
8509 build_classic_dist_vector_1): New.
8510 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8511 Don't test for lambda_vector_lexico_pos.
8512 (same_access_functions, add_multivariate_self_dist,
8513 add_other_self_distances, dir_from_dist): New.
8514 (build_classic_dir_vector): Replace implementation almost identical to
8515 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8517 (subscript_dependence_tester_1): New.
8518 (subscript_dependence_tester): Handle the lexicographically negative
8519 distance vectors by recomputing the dependence relation.
8520 (compute_affine_dependence): Remove parameter loop_nest_depth.
8521 (compute_self_dependence): Don't call compute_subscript_distance.
8522 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8523 Add a parameter for the loop_nest.
8524 (find_loop_nest_1, find_loop_nest): New.
8525 (compute_data_dependences_for_loop): Compute the loop nest, and give
8526 up if the nest is not well formed.
8527 * tree-data-ref.h (loop_p): New.
8528 (struct data_dependence_relation): Replace size_vect field with
8529 loop_nest, a vec of loops.
8530 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8531 (DDR_LOOP_NEST): New.
8532 (print_dir_vectors, print_dist_vectors,
8533 debug_data_dependence_relation): Declared.
8534 (index_in_loop_nest): New.
8535 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8536 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8539 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8541 * simplify-rtx.c (simplify_relational_operation): Call
8542 simplify_relational_operation_1 even if mode is VOIDmode.
8544 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8546 PR tree-optimization/26804
8547 * tree.h (DECL_CALL_CLOBBERED): New macro.
8548 (tree_decl_common): Add call_clobbered_flag.
8549 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8550 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8551 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8552 (mark_non_addressable): Ditto.
8553 * tree-ssa.c (verify_call_clobbered): New function.
8554 (verify_alias_info): Use it.
8555 * tree-pass.h (pass_reset_cc_flags): New prototype.
8556 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8557 (reset_cc_flags): New function.
8558 * passes.c (init_optimization_passes): Call reset_cc_flags after
8559 initializing referenced_vars.
8561 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8562 Roger Sayle <roger@eyesopen.com>
8565 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8566 to 1.0 for non-real operands. Implement A / A optimization for
8569 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8571 * config/i386/i386.c (size_cost): Correct the comment for
8572 cost of storing fp registers.
8573 (i386_cost): Likewise.
8574 (i486_cost): Likewise.
8575 (pentium_cost): Likewise.
8576 (pentiumpro_cost): Likewise.
8577 (k6_cost): Likewise.
8578 (athlon_cost): Likewise.
8579 (k8_cost): Likewise.
8580 (pentium4_cost): Likewise.
8581 (nocona_cost): Likewise.
8582 (generic64_cost): Likewise.
8583 (generic32_cost): Likewise.
8585 2006-03-24 Denis Chertykov <denisc@overta.ru>
8587 * config/avr/avr-protos.h (extra_constraint): Delete.
8588 (extra_constraint_Q): New declaration.
8589 * config/avr/constraints.md: New file.
8590 * config/avr/avr.md: Include it.
8591 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8592 (TMP_REGNO, ZERO_REGNO): Likewise.
8593 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8594 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8595 (extra_constraint): Delete.
8596 (extra_constraint_Q): Test for memory constraint 'Q'.
8597 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8598 (REG_CLASS_FROM_LETTER): Delete.
8599 (CONST_OK_FOR_LETTER_P): Delete.
8600 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8601 (EXTRA_CONSTRAINT): Delete.
8602 (TMP_REGNO): Delete.
8603 (ZERO_REGNO): Delete.
8605 2006-03-24 Jeff Law <law@redhat.com>
8607 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8608 directly. Call mark_new_vars_to_rename slightly earlier.
8610 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8612 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8614 (gen_compile_unit_die): Use new language types for Objective-C and
8616 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8617 DW_LANG_C_plus_plus.
8620 * config/t-darwin (crt3.o): Work around bug 26840.
8621 * config/darwin-crt3.c: Rewrite.
8622 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8624 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8626 * doc/invoke.texi: Document -femit-class-debug-always
8627 * common.opt: Add -femit-class-debug-always.
8629 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8631 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8632 index and base register.
8633 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8634 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8635 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8636 REGNO_OK_FOR_INDEX_P.
8637 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8639 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8640 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8641 REG_OK_FOR_BASE_P): Definitions removed.
8643 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8646 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8647 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8648 set yet or weren't marked as local yet.
8650 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8652 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8655 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8657 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8658 (rs6000_legitimate_small_data_p): Delete.
8659 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8660 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8661 and make static. Add forward declaration. Update uses.
8662 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8663 of offsettable_memref_p.
8664 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8665 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8667 2006-03-24 Jeff Law <law@redhat.com>
8669 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8670 around bug in immediate-use iterator.
8672 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8675 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8676 or __LITTLE_ENDIAN__.
8678 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8680 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8681 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8682 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8683 * config/sh/sh.opt (mdiv=): Amend description.
8684 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8685 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8686 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8687 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8688 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8689 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8690 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8691 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8692 TARGET_DIVIDE_CALL_FP.
8694 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8696 * haifa-sched.c (choose_ready): Fix type of the local variable.
8697 Move local variables. Add comment.
8698 (check_reg_live): Change signature. Make callable from debugger.
8699 * sched-int.h (check_reg_live): Update signature.
8700 * sched-ebb.c (check_reg_live): Update parameters.
8701 * sched-rgn.c (check_reg_live): Ditto.
8702 (region_head_or_leaf_p): Check pointer before dereferencing.
8703 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8704 before reload on optimization levels below 1.
8706 2006-03-23 Richard Henderson <rth@redhat.com>
8708 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8712 * config/alpha/predicates.md (local_symbolic_operand): Reject
8715 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8718 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8719 expressions which have overflowed constants.
8721 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8723 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8725 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8727 * cfgloopmanip.c (create_loop_notes): Removed.
8728 * final.c (final_scan_insn): Do not handle loop notes.
8729 * jump.c (squeeze_notes): Ditto.
8730 * cfglayout.c (skip_insns_after_block,
8731 duplicate_insn_chain): Ditto.
8732 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8734 * cfgloop.h (create_loop_notes): Declaration removed.
8736 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8738 * varasm.c (output_constant_pool): Restore fnname and fndecl
8740 (assemble_start_function): Adjust call accordingly.
8741 (assemble_end_function): Likewise.
8743 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8746 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8749 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8751 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8754 * system.h (ICE_EXIT_CODE): New macro.
8755 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8756 (diagnostic_action_after_output): Likewise.
8757 * gcc.c (fatal_ice): New function.
8758 (execute): Use it instead of fatal.
8759 (fancy_abort): Likewise.
8760 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8762 2006-03-22 Jeff Law <law@redhat.com>
8764 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8765 iv_analyze_result returning false.
8767 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8769 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8771 2006-03-22 Richard Henderson <rth@redhat.com>
8774 * except.c (duplicate_eh_regions_0): New.
8775 (duplicate_eh_region_1): Duplicate the children of the node as
8776 well as the node itself. Link them up properly.
8777 (duplicate_eh_region_2): Merge into ...
8778 (duplicate_eh_regions): ... here. Take copy_region argument, and
8779 copy only a sub-tree if asked. Simplify copying and fixup.
8780 (eh_region_outer_p): New.
8781 * except.h (duplicate_eh_regions): Update decl.
8782 (eh_region_outer_p): Declare.
8783 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8784 (lower_omp_master): Likewise.
8785 (lower_omp_ordered): Likewise.
8786 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8787 (move_stmt_r): Use it to remap labels. Handle recursion vs
8788 remap_decls_p properly.
8789 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8790 (find_outermost_region_in_block): New.
8791 (new_label_mapper): New.
8792 (move_sese_region_to_fn): Copy eh information to the new function
8794 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8796 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8799 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8801 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8802 into shared libraries.
8804 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8806 * doc/md.texi: Refer to i386/constraints.md instead of
8808 * config/i386/constraints.md: New file, extracted from...
8809 * config/i386/predicates.md: ...here.
8810 * config/i386/i386.md: Include constraints.md.
8812 2006-03-21 Jason Merrill <jason@redhat.com>
8814 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8817 * expr.c (init_block_move_fn): Force default visibility.
8818 (init_block_clear_fn): Likewise.
8819 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8820 * targhooks.c (default_external_stack_protect_fail): Likewise.
8822 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8824 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8825 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8826 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8827 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8828 (loadgp): Use mips_current_loadgp_style.
8829 (loadgp_noshared): New pattern.
8830 (sibcall_internal): Use MIPS_CALL.
8831 (sibcall_value_internal): Likewise.
8832 (sibcall_value_multiple_internal): Likewise.
8833 (call_internal): Likewise.
8834 (call_value_internal): Likewise.
8835 (call_value_multiple_internal): Likewise.
8836 (call_split): Use MIPS_CALL and add an 'S' constraint.
8837 (call_value_split): Likewise.
8838 (call_value_multiple_split): Likewise.
8839 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8840 (-mshared): New option.
8841 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8842 (mips_current_loadgp_style): Declare.
8843 * config/mips/mips.c (mips_classify_symbol): Avoid using
8844 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8845 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8846 TARGET_ABSOLUTE_ABICALLS.
8847 (override_options): Adjust comments. Improve the warning that is
8848 issued when -mabicalls and -G are used together.
8849 (mips_file_start): Remove comment.
8850 (mips_current_loadgp_style): New function.
8851 (mips_gnu_local_gp): New variable.
8852 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8854 (mips_output_function_prologue): Use mips_current_laodgp_style.
8855 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8856 the cprestore instruction.
8857 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8858 live for TARGET_ABSOLUTE_ABICALLS.
8859 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8860 (ASM_SPEC): Pass down -mshared and -mno-shared.
8861 (MIPS_CALL): New macro.
8862 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8864 * doc/invoke.texi (-mabicalls): Update documentation.
8865 (-mshared): Document.
8867 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8869 * config/ia64/unwind-hpux.c: New file.
8870 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8872 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8875 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8877 2006-03-21 Jeff Law <law@redhat.com>
8879 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8880 type conversions of a VR_VARYING source to a wider type.
8882 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8884 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8885 tm_file on Solaris 10 and later.
8886 (sparc64-*-solaris2*): Likewise.
8887 (sparc-*-solaris2*): Likewise.
8888 * config/sol26.h: Rename to config/sol2-6.h.
8889 * config/sol2-10.h: New file.
8891 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8894 * tree-ssa-pre.c (create_component_ref_by_pieces):
8897 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8900 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8901 return it immediately.
8903 2006-03-21 Michael Matz <matz@suse.de>
8905 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8907 (remove_arc, add_arc): Update num_out_arcs member.
8908 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8910 (cache_presence): New function.
8911 (compare_states_for_equiv): New function.
8912 (state_is_differed): Don't take number of outargs, adjust callers.
8913 Use new invariant for speeding up.
8914 (init_equiv_class): Create initial classes based on sorted
8916 (partition_equiv_class): Don't track out_arcs_num.
8917 (evaluate_equiv_classes): Call cache_presence on all states and
8920 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8922 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8923 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8924 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8925 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8927 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8928 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8929 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8930 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8931 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8933 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8934 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8935 (REGNO_REG_CLASS): ARGP is in PREGS.
8936 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8938 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8939 to deal with those addresses.
8940 * addresses.h: New file.
8941 * caller-save.c: Include "addresses.h".
8942 (init_caller_save): Use new base_reg_class function.
8943 * rtl-factoring.c: Include "addresses.h".
8944 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8945 * recog.c: Include "addresses.h".
8946 (preprocess_constraints): Use new base_reg_class function.
8947 * regrename.c: Include "addresses.h".
8948 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8949 functions. Keep track of a new var INDEX_CODE to compute valid
8951 (replace_oldest_value_addr): Likewise.
8952 (replace_oldest_value_mem): Use base_reg_class.
8953 * reload.c: Include "addresses.h".
8954 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8955 (find_reloads): Use new base_reg_class function.
8956 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8957 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8958 all callers and prototype changed.
8959 * reload1.c: Include "addresses.h".
8960 (maybe_fix_stack_asms): Use base_reg_class.
8961 * regclass.c: Include "addresses.h".
8962 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8963 (init_reg_autoinc): Use new base_reg_class function.
8964 (record_reg_classes): Likewise.
8965 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8966 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8967 Use new args to compute necessary class.
8969 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8970 regrename.o, rtl-factoring.o): Update dependencies.
8971 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8972 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8973 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8974 REG_OK_FOR_INDEX_P): Delete documentation.
8976 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8978 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8979 from V7 to V9 for Solaris 7 and above.
8981 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8983 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8984 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8985 argument pointers may not alias any other storage.
8986 * common.opt: Define option -fargument-noalias-anything.
8987 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8988 alias semantics is specified by flag_argument_noalias > 2.
8990 2006-03-20 Jeff Law <law@redhat.com>
8992 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8993 (pass_phi_only_cprop): Declare.
8994 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8996 * tree-ssa-dom.c (degenerate_phi_result): New function.
8997 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8998 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8999 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9000 (eliminate_degenerate_phis): Likewise.
9001 (pass_phi_only_cprop): New pass descriptor.
9002 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9003 support code. Callers updated.
9004 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9005 (store_copy_prop): Likewise.
9006 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9008 2006-03-20 Jason Merrill <jason@redhat.com>
9011 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9012 (push_visibility, pop_visibility): Likewise.
9013 * c-pragma.h: Declare them.
9015 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9017 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9019 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9020 parameter and use get_ebb_head_tail.
9021 (sh_md_init_global): Adjust uses of find_regmode_weight.
9023 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9025 * function.h (struct function) <x_tail_recursion_reentry>:
9026 Rename to x_stack_check_probe_note.
9027 (tail_recursion_reentry): Rename to stack_check_probe_note.
9028 * function.c: Replace tail_recursion_reentry with
9029 stack_check_probe_note everywhere.
9030 (expand_function_start): Only emit a note for
9031 stack_check_probe_note with -fstack-protect.
9032 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9034 * emit-rtl.c (remove_unnecessary_notes): Remove.
9035 (pass_remove_unnecessary_notes): Remove.
9036 * rtl.h (remove_unnecessary_notes): Remove prototype.
9037 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9038 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9039 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9041 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9044 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9045 (valid_in_set): Handle ARRAY_REF.
9046 Change "if min_variant or VH" to asserts.
9047 (create_component_ref_by_pieces): Handle ARRAY_REF.
9048 (create_expression_by_pieces): Likewise.
9049 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9051 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9053 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9054 is operand of switch, not str[0].
9056 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9058 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9059 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9061 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9063 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9064 end of insn_extra_address_constraint declaration.
9066 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9068 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9069 (no-sum-in-toc): Same.
9070 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9072 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9073 NO_FP_IN_TOC for -fPIC instead of mask.
9075 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9076 (BOOT_LDFLAGS): Delete.
9078 * config/rs6000/t-aix52: Same.
9080 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9081 (stmsi[345678]_power): New.
9083 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9085 * config/ia64/ia64.opt: Add empty line to end of file.
9087 2006-03-17 Richard Guenther <rguenther@suse.de>
9090 * builtins.c (get_pointer_alignment): For component style references
9091 adjust alignment to the component type alignment. Make sure
9092 to adjust alignment for component access of constants.
9094 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9096 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9099 2006-03-17 Paul Brook <paul@codesourcery.com>
9101 * doc/install.texi: Docuemnt --with-mode.
9102 * config.gcc: Add --with-mode for arm*-*-*.
9103 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9105 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9107 * sh.c (max_labelno_before_reorg): New variable.
9108 (sh_reorg): Initialize it.
9109 (find_barrier): Check max_labelno_before_reorg before using
9110 label_to_alignment. Take length of explicit alignment insns
9111 into account. When seeing a UNSPECV_CONST_END, return it.
9113 * sh.c (fixup_mova): Set mode of affected label to QImode.
9114 (untangle_mova): New function.
9115 (find_barrier): Use it. Check mode of label before decrementing
9117 (sh_reorg): Likewise.
9118 Set mode of all insns back to VOIDmode.
9120 * sh.c (MOVA_LABELREF): New macro.
9121 (mova_p, fixup_mova, sh_reorg): Use it.
9122 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9123 ADDR_DIFF_VEC matches mova.
9125 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9127 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9128 with ATTRIBUTE_UNUSED.
9130 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9132 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9133 pointer, instead of assuming it is possible to derive the
9134 correct args size from a call insn.
9136 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9138 * rtl.h (CONST_INT_P): Define.
9139 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9140 instead of GET_CODE(x) == CONST_INT.
9141 (vax_rtx_costs): Likewise.
9142 (vax_output_int_move): Likewise.
9143 (vax_output_int_add): Likewise.
9144 (legitimate_constant_address_p): Likewise.
9145 (index_term_p): Likewise.
9146 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9147 * config/vax/vax.md (and<mode>3): Likewise.
9148 (ashrsi3): Likewise.
9150 (movstricthi): Likewise.
9151 (movstrictqi): Likewise.
9152 (rotrsi3): Likewise.
9153 (five unnamed insns): Likewise.
9155 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9157 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9158 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9159 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9160 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9161 Pass to ASM_OUTPUT_DWARF_OFFSET.
9162 * dwarf2out.c (debug_frame_section): New.
9163 (output_call_frame_info): Use debug_frame_section. Pass it to
9164 dw2_asm_output_offset.
9165 (output_die): Pass appropriate section to dw2_asm_output_offset.
9166 (output_compilation_unit_header): Likewise.
9167 (output_pubnames): Likewise.
9168 (output_aranges): Likewise.
9169 (enum dw_val_class): Break dw_val_class_lbl_offset into
9170 dw_val_class_lineptr and dw_val_class_macptr.
9171 (add_AT_lbl_offset): Delete.
9172 (add_AT_lineptr): New.
9173 (add_AT_macptr): New.
9174 (AT_lbl): Expect a lineptr or macptr.
9175 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9176 (attr_checksum): Likewise.
9177 (same_dw_val_p): Likewise.
9178 (size_of_die): Likewise.
9179 (value_format): Likewise.
9180 (output_die): Likewise.
9181 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9183 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9184 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9185 * config/darwin-protos.h (darwin_file_start): New.
9186 (darwin_asm_output_dwarf_offset): New.
9187 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9188 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9190 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9191 if not EH section; simplify.
9192 (darwin_file_start): New.
9193 (darwin_asm_output_dwarf_offset): New.
9194 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9196 (DEBUG_INFO_SECTION): Likewise.
9197 (DEBUG_ABBREV_SECTION): Likewise.
9198 (DEBUG_ARANGES_SECTION): Likewise.
9199 (DEBUG_MACINFO_SECTION): Likewise.
9200 (DEBUG_LINE_SECTION): Likewise.
9201 (DEBUG_LOC_SECTION): Likewise.
9202 (DEBUG_PUBNAMES_SECTION): Likewise.
9203 (DEBUG_STR_SECTION): Likewise.
9204 (DEBUG_RANGES_SECTION): Likewise.
9205 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9206 (ASM_OUTPUT_DWARF_OFFSET): New.
9208 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9210 * config.gcc (tm_defines): Always add to previous value rather
9213 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9215 * config/mips/predicates.md (splittable_const_int_operand): New,
9216 split from move_operand.
9217 (splittable_symbolic_operand): New.
9218 (move_operand): Add commentary. Use splittable_const_int_operand.
9219 Inline mips_atomic_symbolic_constant_p.
9220 * config/mips/mips.md: Add combine splitters for handling moves
9221 of splittable_const_int_operands and splittable_symbolic_operands.
9222 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9223 (mips_split_symbol): Declare.
9224 (mips_move_integer): Declare.
9225 * config/mips/mips.c (mips_split_p): Make global.
9226 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9227 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9228 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9229 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9230 (mips_offset_within_object_p): Handle block symbols.
9231 (mips_atomic_symbolic_constant_p): Delete.
9232 (mips_cannot_force_const_mem): Return false for constants that
9233 mips_legitimize_move can handle.
9234 (mips_use_blocks_for_constant_p): New function.
9235 (mips_split_symbol): Make global.
9236 (mips_move_integer): Likewise. Add a temporary register argument.
9237 (mips_legitimize_const_move): Use splittable_const_int_operand and
9238 splittable_symbolic_operand.
9239 (mips_use_anchors_for_symbol_p): New function.
9240 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9241 (mips_split_p): Declare.
9243 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9245 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9246 (mips*-*-linux*): Likewise.
9248 2006-03-16 Roger Sayle <roger@eyesopen.com>
9249 Daniel Speyer <dspeyer@wam.umd.edu>
9252 * tree-dump.c (dump_real): New function.
9253 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9254 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9255 (tree-dump.o): Add $(REAL_H) to the dependencies.
9257 2006-03-16 Roger Sayle <roger@eyesopen.com>
9260 * real.c (real_from_string): If the mantissa is zero, don't bother
9261 parsing the exponent as the result should always be zero.
9263 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9265 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9267 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9269 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9270 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9271 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9272 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9273 ia64_sched_finish_global): New static functions to implement
9274 hooks from gcc_target.sched.
9275 (spec_check_no, max_uid, pending_data_specs): New static variables.
9276 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9277 ia64_spec_check_src_p): New static functions.
9278 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9279 (TARGET_SCHED_ADJUST_COST): Removed.
9280 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9281 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9282 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9283 TARGET_SCHED_GEN_CHECK,
9284 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9285 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9286 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9287 Fixed to handle speculation checks.
9288 (rtx_needs_barrier): Fixed to handle speculative loads and
9290 (ia64_variable_issue): Added code to count speculative loads and their
9292 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9294 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9296 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9298 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9299 (ia64_reorg): Reset stops_p to NULL after it is freed.
9300 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9301 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9302 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9304 (data_speculative, control_speculative, check_load): New attributes.
9305 (mov<mode>_advanced, mov<mode>_speculative,
9306 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9307 zero_extend<mode>di2_speculative,
9308 zero_extend<mode>di2_speculative_advanced): New patterns for
9309 data and control speculative loads.
9310 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9312 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9313 New pattern for data and control speculation checks.
9314 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9315 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9316 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9317 Auxiliary definitions for the patterns.
9318 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9319 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9321 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9323 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9324 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9325 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9326 New resource constraints.
9327 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9329 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9330 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9331 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9332 msched-in-control-spec, msched-ldc, msched-control-ldc,
9333 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9334 msched-prefer-non-control-spec-insns,
9335 msched-count-spec-in-critical-path): New flags to tune speculative
9337 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9338 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9339 msched-in-control-spec, msched-ldc, msched-control-ldc,
9340 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9341 msched-prefer-non-control-spec-insns,
9342 msched-count-spec-in-critical-path): Document new flags.
9344 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9346 * target.h (struct spec_info_def): New opaque declaration.
9347 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9348 speculate_insn, needs_block_p, gen_check,
9349 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9350 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9351 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9352 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9353 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9354 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9356 (TARGET_SCHED): Use new macros.
9357 * rtl.h (copy_DEPS_LIST_list): New prototype.
9358 * sched-int.h (struct sched_info): Change signature of new_ready field,
9359 adjust all initializations. New fields: add_remove_insn,
9360 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9361 region_head_or_leaf_p.
9362 (struct spec_info_def): New structure declaration.
9363 (spec_info_t): New typedef.
9364 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9365 recovery_block, orig_pat.
9366 (glat_start, glat_end): New variables declaraions.
9367 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9369 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9370 DETACH_LIFE_INFO, USE_GLAT.
9371 (enum SPEC_SCHED_FLAGS): New enumeration.
9372 (NOTE_NOTE_BB_P): New macro.
9373 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9374 attach_life_info, debug_spec_status, check_reg_live): New functions.
9375 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9376 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9378 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9379 * ddg.c (get_block_head_tail): Adjust all uses.
9380 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9381 (sms_sched_info): Initialize new fields.
9382 (contributes_to_priority): Removed.
9383 * haifa-sched.c (params.h): New include.
9384 (get_block_head_tail): Adjust all uses.
9385 (ISSUE_POINTS): New macro.
9386 (glat_start, glat_end): New global variables.
9387 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9388 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9389 old_last_basic_block, before_recovery, current_sched_info_var,
9390 rgn_n_insns, luid): New static variables.
9391 (insn_cost1): New function. Move logic from insn_cost to here.
9392 (find_insn_reg_weight1): New function. Move logic from
9393 find_insn_reg_weight to here.
9394 (reemit_notes, move_insn, max_issue): Change signature.
9395 (move_insn1): Removed.
9396 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9397 extend_bb): New static functions to support extension of scheduler's
9399 (generate_recovery_code, process_insn_depend_be_in_spec,
9400 begin_speculative_block, add_to_speculative_block,
9401 init_before_recovery, create_recovery_block, create_check_block_twin,
9402 fix_recovery_deps): New static functions to support
9403 generation of recovery code.
9404 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9405 restore_bb_notes, move_block_after_check, move_succs): New static
9406 functions to support ebb scheduling.
9407 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9408 functions to support handling of register live information.
9409 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9410 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9411 add_jump_dependencies): New static functions.
9412 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9413 consistancy checking.
9414 (debug_spec_status): New function to call from debugger.
9415 (priority): Added code to handle speculation checks.
9416 (rank_for_schedule): Added code to distinguish speculative instructions.
9417 (schedule_insn): Added code to handle speculation checks.
9418 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9419 Fixed to handle ebbs.
9420 (move_insn): Added code to handle ebb scheduling.
9421 (max_issue): Added code to use ISSUE_POINTS of instructions.
9422 (choose_ready): Added code to choose between speculative and
9423 non-speculative instructions.
9424 (schedule_block): Added code to handle ebb scheduling and scheduling of
9425 speculative instructions.
9426 (sched_init): Initialize new variables.
9427 (sched_finish): Free new variables. Print statistics.
9428 (try_ready): Added code to handle speculative instructions.
9429 * lists.c (copy_DEPS_LIST_list): New function.
9430 * sched-deps.c (extend_dependency_caches): New function. Move logic
9431 from create_dependency_caches to here.
9432 (get_dep_weak, ds_merge): Make global.
9433 * genattr.c (main): Code to output prototype for
9434 dfa_clear_single_insn_cache.
9435 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9436 (output_dfa_clean_insn_cache_func): Code to output
9437 dfa_clear_single_insn_cache function.
9438 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9440 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9442 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9443 New static variables.
9444 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9445 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9447 (ebb_sched_info): Initialize new fields.
9448 (get_block_head_tail): Adjust all uses.
9449 (compute_jump_reg_dependencies): Fixed to use glat_start.
9450 (schedule_ebb): Code to remove unreachable last block.
9451 (schedule_ebbs): Added code to update register live information.
9452 * sched-rgn.c (region_sched_info): Initialize new fields.
9453 (get_block_head_tail): Adjust all uses.
9454 (last_was_jump): Removed. Adjust users.
9455 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9456 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9457 Implement new hooks.
9458 (check_dead_notes1): New static function.
9459 (struct region): New fields: dont_calc_deps, has_real_ebb.
9460 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9461 (BB_TO_BLOCK): Fixed to handle EBBs.
9462 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9463 (ebb_head): New static variable.
9464 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9465 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9467 (compute_dom_prob_ps): New assertion.
9468 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9469 global_live_at_start.
9470 (init_ready_list): New assertions.
9471 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9472 (new_ready): Add support for BEGIN_CONTROL speculation.
9473 (schedule_insns): Fixed code that updates register live information
9475 (schedule_region): Fixed to handle EBBs.
9476 (init_regions): Use extend_regions and check_dead_notes1.
9477 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9478 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9479 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9480 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9481 TARGET_SCHED_GEN_CHECK,
9482 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9483 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9484 * doc/invoke.texi (max-sched-insn-conflict-delay,
9485 sched-spec-prob-cutoff): Document.
9487 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9489 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9490 inter_tick, queue_index.
9491 (struct sched_info): Change signature of init_ready_list field.
9492 Adjust all initializations.
9493 (RESOLVED_DEPS): New access macro.
9494 (ready_add): Remove prototype.
9495 (try_ready): Add prototype.
9496 * sched-rgn.c (init_ready_list): Use try_ready.
9497 (schedule_region): Initialize
9498 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9499 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9500 (init_ready_list): Use try_ready.
9501 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9502 * lists.c (remove_list_elem): Remove `static'.
9503 (remove_free_INSN_LIST_elem): New function.
9504 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9505 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9506 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9508 (readyp): New variable.
9509 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9510 change_queue_index, resolve_dep): New static functions.
9511 (try_ready): New function. Adjust callers in sched-rgn.c and
9512 sched-ebb.c to use it instead of ready_add.
9513 (clock_var): Move at the begining of file.
9514 (rank_for_schedule): Fix typo.
9515 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9516 (ready_lastpos): Enforce assertion.
9517 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9519 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9520 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9521 (queue_to_ready): Use free_INSN_LIST_list.
9522 (early_queue_to_ready): Fix typo.
9523 (schedule_block): Init readyp. Move init_ready_list call after the
9524 initialization of clock_var. Fix error in rejecting insn by
9525 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9526 that previously corrected INSN_TICKs. Add code for handling
9528 (set_priorities): Fix typo.
9529 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9530 Clarify comment and code that keeps current_sched_info->next_tail
9533 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9535 * sched-rgn.c (extend_rgns): New static function.
9536 (find_rgns): Use it.
9537 (gather_region_statistics, print_region_statistics): New static
9539 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9540 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9542 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9543 Andrey Belevantsev <abel@ispras.ru>
9545 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9546 * lists.c (unused_deps_list): New variable.
9547 (free_list): Add assertions to verify the proper distinguishing
9548 between INSN_LISTs and DEPS_LISTs.
9549 (find_list_elem, remove_list_elem, remove_list_node): New static
9551 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9552 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9553 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9554 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9556 (free_INSN_LIST_node): Likewise.
9557 * modulo-sched.c (current_sched_info): Initialize flags field.
9558 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9559 * rtl.def (DEPS_LIST): Define.
9560 * rtl.h: Declare new functions from lists.c.
9561 * sched-deps.c (spec_dependency_cache): New static variable.
9562 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9563 (add_dependence): Change return type to void. Move the logic to ...
9564 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9565 (delete_all_dependences): Add comment about forward_dependency_cache.
9566 Handle spec_dependency_cache. Handle DEPS_LISTs.
9567 (fixup_sched_groups): Clarify the change of priority of output
9568 and anti dependencies.
9569 (sched_analyze_2): Adjust add_dependence calls to create data
9570 speculative dependence.
9571 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9572 Adjust all callers. Handle DEPS_LISTS.
9573 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9574 presence of speculation.
9575 (init_dependency_caches, free_dependency_caches):
9576 Handle spec_dependency_cache.
9577 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9578 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9579 New static functions.
9580 (add_or_update_back_dep, add_or_update_back_forw_dep,
9581 add_back_forw_dep, delete_back_forw_dep): New functions.
9582 * sched-int.h (ds_t, dw_t): New typedefs.
9583 (struct sched_info): Add new field flags.
9584 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9585 Prototype new sched-deps.c functions.
9586 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9587 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9588 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9589 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9590 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9591 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9593 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9595 * sched-rgn.c (current_sched_info): Initialize flags field.
9596 (schedule_insns): Initialize current_sched_info before the sched_init
9598 * sched-ebb.c (current_sched_info): Initialize flags field.
9599 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9600 Call add_or_update_back_dep instead of add_dependence.
9601 Create control speculative dependencies.
9602 (schedule_insns): Initialize current_sched_info before the sched_init
9605 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9607 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9609 (sh_fallback_frame_state): Likewise.
9611 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9613 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9614 Do switch on default_use_cxa_atexit.
9615 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9616 * config/darwin-crt3.o: New.
9617 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9618 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9619 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9621 * config/rs6000/t-darwin: Move crt2.o building to here.
9622 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9623 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9626 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9628 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9629 from '! xxx' to '!xxx' for coding-style conformance.
9630 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9631 (EXTRA_CONSTRAINT): Likewise.
9632 * config/vax/vax.md (four unnamed insns): Likewise.
9634 2006-03-15 Paul Brook <paul@codesourcery.com>
9636 * config/arm/arm.c (minipool_pad): New.
9637 (add_minipool_forward_ref): Include pool alignment padding in address
9639 (push_minipool_fix): Set minipool_pad.
9640 (minipool_pad): Ditto.
9642 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9644 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9645 instead of GET_CODE() == MEM and REG_P() instead of
9647 (print_operand_address): Likewise.
9648 (vax_address_cost): Likewise.
9649 (vax_rtx_costs): Likewise.
9650 (vax_notice_update_cc): Likewise.
9651 (vax_output_int_add): Likewise.
9652 (INDEX_REGISTER_P): Likewise.
9653 (BASE_REGISTER_P): Likewise.
9654 (nonindexed_address_p): Likewise.
9655 (vax_mode_dependent_address_p): Likewise.
9656 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9657 (PRINT_OPERAND): Likewise.
9658 * config/vax/vax.md (ashlsi3): Likewise.
9659 (ashlsi3): Likewise.
9660 (some more unnamed insns): Likewise.
9662 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9664 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9665 iterator-style macro.
9666 (mark_control_dependent_edges_necessary): Update the use of
9667 EXECUTE_IF_CONTROL_DEPENDENT.
9669 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9671 * config/sh/predicates.md (cache_address_operand): Special.
9672 (ua_address_operand): Likewise.
9674 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9676 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9678 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9680 2006-03-15 Andreas Schwab <schwab@suse.de>
9682 * gensupport.c (identify_predicable_attribute): Don't free p_false
9683 when it is still in use.
9685 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9687 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9688 the default setting here.
9690 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9692 * tree-pass.h (pass_cfg): Remove.
9693 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9694 * passes.c (pass_cfg): Don't run it.
9696 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9698 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9699 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9701 (stack_regs_mentioned): Update the uses of
9702 stack_regs_mentioned_data. Don't access the array beyond its
9704 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9705 Don't include gt-reg-stack.h.
9707 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9708 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9710 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9713 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9716 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9718 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9720 2006-03-14 Richard Guenther <rguenther@suse.de>
9722 PR tree-optimization/26672
9723 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9726 2006-03-14 Richard Guenther <rguenther@suse.de>
9728 PR tree-optimization/26667
9729 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9730 node for the callees. Always allow inlining if it will shrink
9733 2006-03-14 Richard Guenther <rguenther@suse.de>
9736 * builtins.c (get_pointer_alignment): Prefer alignment
9737 information from decls over that from types.
9739 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9742 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9744 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9746 * config/rs6000/rs6000.opt (mdlmzb): New option.
9747 (msched-prolog, msched-epilog): Use Var not Mask.
9748 * doc/invoke.texi (-mdlmzb): Document.
9749 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9751 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9752 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9754 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9756 PR rtl-optimization/25739
9757 * bt-load.c (augment_live_range): Free tos pointer.
9759 * gensupport.c (identify_predicable_attribute): Free
9761 * gcov.c (create_file_names): Free name pointer.
9763 2006-03-13 Roger Sayle <roger@eyesopen.com>
9766 * stmt.c (emit_case_nodes): Handle the case where the index is a
9767 CONST_INT, where the comparison mode is specified by the index type.
9769 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9771 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9774 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9776 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9777 (*branch_fp_inverted): Likewise.
9779 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9782 * omp-low.c (expand_omp_for_generic): Mark istart0
9783 and iend0 as addressable.
9785 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9787 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9789 2006-03-13 Jeff Law <law@redhat.com>
9791 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9792 virtual operands are interesting.
9793 (vrp_visit_stmt): Corresponding changes.
9795 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9797 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9799 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9800 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9801 * config/bfin/crti.S: Use it instead of __PIC__.
9802 * config/bfin/crtn.S: Likewise.
9804 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9805 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9807 Lose 'G' modifier for call operand.
9808 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9809 recognize 'G' modifier.
9811 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9814 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9815 * stmt.c (expand_case): Likewise.
9817 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9819 PR rtl-optimization/26254
9820 * loop-invariant.c (seq_insns_valid_p): New function.
9821 (move_invariant_reg): Only emit new code if it is valid.
9823 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9825 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9827 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9828 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9829 (commit_one_edge_insertion): Do not look for loop notes.
9831 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9833 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9834 flag_test_coverage out of loop.
9836 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9838 * final.c (shorten_branches): Remove outdated comment, and turn
9839 the if branch that guards it to continue.
9841 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9843 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9844 * cfgloop.h (struct loop): Remove unused fields.
9846 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9848 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9849 (-dL, -fdump-rtl-loop2): Update the dump file names
9851 * doc/invoke.texi: Update dump file names.
9853 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9855 * predict.c (estimate_probability): Remove.
9856 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9857 * basic-block.h (estimate_probability): Remove prototype.
9858 * passes.c (finish_optimization_passes): Dump branch prediction or
9859 profiling heuristics to the .profile tree dump.
9860 (init_optimization_passes): Unqueue pass_branch_prob.
9862 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9864 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9866 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9867 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9869 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9871 * function.h (frame_offset_overflow): Declare.
9872 * function.c (frame_offset_overflow): New function.
9873 (assign_stack_local_1): Call it to detect that the offset overflows.
9874 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9876 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9878 * config/sh/sh.c: Include alloc-pool.h.
9879 (label_ref_list_pool): New alloc pool.
9880 (label_ref_list_t): New type for lists of labels.
9881 (struct pool_node): Make wend a label_ref_list_t.
9882 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9884 (dump_table): Likewise.
9885 (sh_reorg): Set up the alloc pool before using add_constant and
9886 dump_table, and destroy it when finishing.
9888 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9890 * config/mips/mips.c: Remove redundant comment.
9892 2006-03-10 Jason Merrill <jason@redhat.com>
9895 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9896 the target was declared 'register'.
9898 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9900 * genpreds.c (write_insn_constraint_len): Change definition of
9901 insn_constraint_len to return size_t to match the declaration.
9903 2006-03-10 DJ Delorie <dj@redhat.com>
9905 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9907 (m32c_expand_insv): Fix test for an AND mask.
9909 2006-03-10 Richard Guenther <rguenther@suse.de>
9912 * builtins.c (get_pointer_alignment): Handle component
9913 references for field alignment.
9915 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9917 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9918 when building with libgloss.
9919 (sh*elf): Implement --without-fp option.
9920 (sh64-superh-linux*): Don't multilib.
9922 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9924 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9926 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9928 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9929 Set it when one of the replacement functions returned true.
9930 Return TODO_cleanup_cfg if cfgchanged is true.
9931 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9933 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9935 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9936 instead of gen_lowpart.
9938 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9940 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9942 (mips_output_order_conditional_branch): Declare.
9943 * config/mips/mips.h (MIPS_BRANCH): New macro.
9944 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9945 for the comparison. Use gen_condjump.
9946 (mips_output_conditional_branch): Rework interface to take the
9947 asm templates for a direct branch and the inverse of a direct branch.
9948 (mips_output_order_conditional_branch): New function.
9949 (mips_builtin_branch_and_move): New function.
9950 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9951 branch condition. Use gen_single_cc as the condition for
9952 __builtin_mips_upper_* or __builtin_mips_lower_*.
9953 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9954 Use VOIDmode for the branch condition.
9955 * config/mips/predicates.md (order_operator): New predicate.
9956 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9957 (branch_fp): Rename to...
9958 (*branch_fp): ...this. Remove mode from comparison operator.
9959 Use new mips_output_conditional_branch interface.
9960 (branch_fp_inverted): Rename to...
9961 (*branch_fp_inverted): ...this and update as for *branch_fp.
9962 (*branch_zero<mode>): Rename to...
9963 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9964 Use mips_output_order_conditional_branch. Only accept ordered
9966 (*branch_zero<mode>_inverted): Rename to...
9967 (*branch_order<mode>_inverted): ...this and update as for
9968 *branch_order<mode>.
9969 (*branch_equality<mode>): Accept zero as the second operand to
9970 the equality operator. Use the new mips_output_conditional_branch
9972 (*branch_equality<mode>_inverted): Likewise.
9973 (condjump): New expander.
9974 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9976 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9977 (bc1any2t, bc1any2f): Likewise.
9978 (single_cc): New expander.
9979 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9981 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9983 * doc/md.texi: Update documentation of MIPS constraints.
9984 * config/mips/constraints.md: New file.
9985 * config/mips/mips.md: Include it.
9986 * config/mips/mips.c (mips_char_to_class): Delete.
9987 (override_options): Don't initialize mips_char_to_class.
9988 * config/mips/mips.h (mips_char_to_class): Delete.
9989 (REG_CLASS_FROM_LETTER): Delete.
9990 (CONST_OK_FOR_LETTER_P): Delete.
9991 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9992 (EXTRA_CONSTRAINT_Y): Delete.
9993 (EXTRA_CONSTRAINT_STR): Delete.
9994 (CONSTRAINT_LEN): Delete.
9995 (EXTRA_MEMORY_CONSTRAINT): Delete.
9997 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9999 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10000 original fn's eh regions.
10002 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10004 * fold-const.c (build_range_check): Make sure to use a valid type to
10005 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10008 (range_predecessor): New static function.
10009 (range_successor): Likewise.
10010 (merge_ranges): Use them to compute predecessors and successors of
10013 2006-03-09 Roger Sayle <roger@eyesopen.com>
10015 PR middle-end/26561
10016 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10017 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10019 2006-03-08 DJ Delorie <dj@redhat.com>
10021 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10022 (addpsi3): Expand to include memory operands. Remove
10023 reload-specific splits.
10024 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10025 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10026 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10027 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10028 (shift1_qi, shift1_hi, insv): New.
10029 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10030 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10031 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10033 * config/m32c/m32c-protos.h: Update as needed.
10034 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10035 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10036 Fail for unrecognized R* constraints.
10037 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10038 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10039 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10041 (m32c_init_libfuncs): New.
10042 (m32c_legitimate_address_p): Add debug wrapper.
10043 (m32c_rtx_costs): New.
10044 (m32c_address_cost): New.
10045 (conversions): Add 'B' prefix.
10046 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10047 operands, or word regnames for QI operands. 'B' prints bit
10049 (m32c_expand_setmemhi): New.
10050 (m32c_expand_movmemhi): New.
10051 (m32c_expand_movstr): New.
10052 (m32c_expand_cmpstr): New.
10053 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10054 (m32c_expand_neg_mulpsi3): Handle non-ints.
10055 (m32c_cmp_flg_0): New.
10056 (m32c_expand_movcc): New.
10057 (m32c_expand_insv): New.
10058 (m32c_scc_pattern): New.
10059 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10060 a0/a1 out of SIregs.
10061 (STORE_FLAG_VALUE): New.
10062 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10065 * config/m32c/mov.md: Make constraints more liberal.
10066 (zero_extendqihi2): Optimize r0/r1 case.
10067 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10068 * config/m32c/predicates.md (m32c_any_operand): New.
10069 (m32c_nonimmediate_operand): New.
10070 (m32c_hl_operand): New.
10071 (m32c_r3_operand): New.
10074 (memsym_operand): New.
10075 (memimmed_operand): New.
10076 (a_qi_operand): New.
10077 (m32c_eqne_operator): New.
10078 (m32c_1bit8_operand): New.
10079 (m32c_1bit16_operand): New.
10080 (m32c_1mask8_operand): New.
10081 (m32c_1mask16_operand): New.
10082 * config/m32c/blkmov.md: New file.
10083 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10085 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10087 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10088 unsigned to fix signed/unsigned comparison issue in
10089 DWARF2_FRAME_REG_OUT.
10090 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10091 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10093 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10094 of ptr into the ENABLE_CHECKING section.
10096 2006-03-08 Jeff Law <law@redhat.com>
10098 * tree-vrp.c (infer_value_range): Only count pointer uses
10099 and dereferences if -fdelete-null-pointer-checks is enabled.
10101 * tree-vrp.c (find_assert_locations): Infer value ranges for
10102 single use pointers, but do not create ASSERT_EXPRs for them.
10103 When a non-null range is inferred for a pointer, backwards
10104 propagate that range to other equivalent pointers through the
10107 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10110 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10111 language hook targets.
10112 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10113 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10114 if language hook targets were missing.
10116 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10118 * tree-ssa-opfinalize.h: Removed.
10119 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10121 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10122 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10123 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10124 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10125 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10126 finalize_ssa_v_must_def_ops): New.
10128 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10130 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10131 block as parameter.
10133 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10135 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10137 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10138 addresses with offsets; reorganize.
10140 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10141 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10142 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10144 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10147 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10149 2006-03-08 Ben Elliston <bje@au.ibm.com>
10151 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10153 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10156 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10159 2006-03-07 Richard Guenther <rguenther@suse.de>
10161 PR tree-optimization/26587
10162 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10164 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10166 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10168 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10170 * hooks.c (hook_bool_mode_rtx_true): New function.
10171 * hooks.h (hook_bool_mode_rtx_true): Declare.
10172 * toplev.c (compile_file): Call output_shared_constant_pool.
10173 * varasm.c (shared_constant_pool): New variable.
10174 (assemble_start_function, assemble_end_function): Remove arguments
10175 from call to output_constant_pool.
10176 (create_constant_pool): New function, split out from...
10177 (init_varasm_status): ...here.
10178 (force_const_mem): Choose between the shared and per-function constant
10179 pools. Set current_function_uses_const_pool when reusing old entries
10180 as well as when creating new ones.
10181 (mark_constant): Ignore data argument.
10182 (mark_constants): Remove pool argument.
10183 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10184 to decide whether the function uses a constant pool.
10185 (output_constant_pool_contents): New function, split out from...
10186 (output_constant_pool): ...here.
10187 (output_shared_constant_pool): New function.
10188 (init_varasm_once): Initialize shared_constant_pool.
10189 * output.h (output_constant_pool): Delete.
10190 (output_shared_constant_pool): Declare.
10191 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10192 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10194 2006-03-06 Nick Clifton <nickc@redhat.com>
10196 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10197 flag_strength_reduce.
10199 2006-03-06 Ben Elliston <bje@au.ibm.com>
10201 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10202 x86_64-*-linux* configurations.
10204 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10205 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10207 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10209 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10211 * basic-block.h: Remove the extern for
10212 rediscover_loops_after_threading.
10214 * cfgloop.c (cancel_loop): Make it static.
10215 * cfgloop.h: Remove the prototype for cancel_loop.
10217 * flow.c (recompute_reg_usage): Make it static.
10218 * rtl.h: Remove the prototype for recompute_reg_usage.
10220 * function.c (use_return_register): Make it static.
10221 * function.h: Remove the prototype.
10223 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10225 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10227 * recog.h: Remove the prototype for
10228 validate_change_maybe_volatile.
10230 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10232 * rtlanal.c (replace_reg): Remove.
10233 * rtl.h: Remove the prototype for replace_reg.
10235 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10237 * regclass.c (reg_scan_update): Remove.
10238 (reg_scan_mark_refs): Remove the last argument.
10239 * rtl.h: Remove the prototype for reg_scan_update.
10241 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10243 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10244 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10245 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10246 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10247 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10248 loop-invariant.c, omp-low.c, opts.c, passes.c,
10249 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10250 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10251 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10252 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10253 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10254 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10256 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10258 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10259 * dwarf2out.h: Remove the prototype for
10260 dwarf2out_add_library_unit_info.
10262 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10264 * tree.c (add_var_to_bind_expr): Remove.
10265 * tree.h: Remove the prototype for add_var_to_bind_expr.
10267 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10269 * regclass.c (n_non_fixed_regs): Remove.
10270 (init_reg_sets_1, globalize_reg): Remove all uses of
10272 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10274 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10276 * rtlanal.c (insns_safe_to_move_p): Remove.
10277 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10279 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10281 * expmed.c (expand_mult_add): Remove.
10282 * expr.h: Remove the prototype for expand_mult_add.
10284 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10286 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10287 and REG_SAVED_VAL_EXP constants.
10288 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10289 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10290 Handle regs stored by value.
10291 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10292 (execute_cfa_program): Handle DW_CFA_val_offset,
10293 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10294 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10295 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10296 (uw_install_context_1): Handle target regs stored by value.
10298 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10300 * tree-sra.c (tree_sra): Return todoflags;
10301 (generate_one_element): Set TODO_update_smt_usage if needed.
10302 (pass_sra): Remove TODO_update_smt_usage.
10303 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10305 (tree_ssa_forward_propagate_single_use_vars): Return
10306 TODO_update_smt_usage if we need to update SMT usage.
10307 (pass_forwprop): Remove TODO_update_smt_usage.
10309 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10311 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10312 (correct_use_link): Remove reference to get_stmt_operands.
10313 (update_stmt_operands): Likewise.
10314 (get_modify_expr_operands): New function factored out of
10315 parse_ssa_operands and get_expr_operands.
10316 Try to create V_MUST_DEFs for LHS by default.
10317 (get_expr_operands) <case MODIFY_EXPR>: Call
10318 get_modify_expr_operands.
10319 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10320 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10321 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10322 get_modify_expr_operands.
10324 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10326 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10327 * tree-flow.h: Remove the prototype for
10328 referenced_var_lookup_if_exists.
10330 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10332 PR rtl-optimization/26345
10334 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10336 2006-03-03 Roger Sayle <roger@eyesopen.com>
10338 PR tree-optimization/26524
10339 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10340 fold_convert to create a constant of the appropriate type.
10342 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10344 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10345 SYMBOL_REF_IN_BLOCK_P.
10346 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10347 of SYMBOL_FLAG_IN_BLOCK.
10348 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10349 instead of SYMBOL_REF_IN_BLOCK_P.
10350 * explow.c (use_anchored_address): Likewise.
10351 * rtl.c (rtx_size): Likewise.
10352 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10353 instead of SYMBOL_FLAG_IN_BLOCK.
10354 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10355 SYMBOL_REF_IN_BLOCK_P.
10356 (assemble_variable): Likewise.
10357 (output_constant_def_contents): Likewise.
10358 (output_constant_pool): Likewise.
10359 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10360 instead of SYMBOL_FLAG_IN_BLOCK.
10361 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10362 SYMBOL_REF_IN_BLOCK_P.
10363 (SYMBOL_REF_BLOCK): Likewise.
10364 (SYMBOL_REF_OFFSET): Likewise.
10365 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10366 SYMBOL_REF_IN_BLOCK_P.
10367 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10368 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10369 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10370 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10372 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10374 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10376 2006-03-02 Roger Sayle <roger@eyesopen.com>
10378 * simplify-rtx.c (simplify_unary_operation): When simplifying
10379 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10380 that we perform the right shift in the appropriate mode, and
10381 then extend or truncate the result to requested mode.
10383 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10385 * gengtype.c (main): Handle double_int type.
10386 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10387 * double-int.c: New file.
10388 * double-int.h: New file.
10389 * system.h: Include doubleint.h.
10390 * Makefile.in (SYSTEM_H): Include double-int.h.
10391 (double-int.o): Add.
10393 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10396 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10399 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10401 * tree-vrp.c (remove_range_assertions): Do not update statements
10404 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10406 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10408 * gcse.c (rest_of_handle_gcse): Ditto.
10409 * except.c (gate_handle_eh): Ditto.
10410 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10411 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10413 2006-03-02 Eric Christopher <echristo@apple.com>
10415 * config/i386/i386.c (machopic_output_stub): Add indirection to
10418 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10422 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10424 Sun Niagara specific optimizations.
10425 * config.gcc: Recognize niagara as target.
10426 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10427 (TARGET_CPU_niagara): Define.
10428 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10429 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10430 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10431 (ASM_CPU_SPEC): Likewise.
10432 (PROCESSOR_NIAGARA): New enum entry.
10433 (REGISTER_MOVE_COST): Handle Niagara.
10434 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10435 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10436 (sparc_override_options): Recognize "niagara", set appropriate
10437 default MASK_* values for it, and align functions to 32-bytes
10438 by default just like ULTRASPARC/ULTRASPARC3.
10439 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10440 (sparc64_initialize_trampoline): Likewise.
10441 (sparc_use_sched_lookahead): Use zero for niagara.
10442 (sparc_issue_rate): Use one for niagara.
10443 * config/sparc/niagara.md: New file.
10444 * config/sparc/sparc.md: Include it.
10445 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10446 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10447 when default cpu is niagara.
10448 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10449 (ASM_CPU_SPEC): Likewise.
10450 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10451 when default cpu is niagara.
10452 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10453 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10454 just like v9/ultrasparc/ultrasparc3.
10455 * doc/invoke.texi: Add documentation for "niagara" and improve
10456 existing documentation for ultrasparc variants.
10458 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10460 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10462 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10464 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10465 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10466 and say that only one is needed.
10467 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10468 * target.h (have_switchable_bss_sections): New hook.
10469 * explow.c (use_anchored_address): Check that the symbol is in a block.
10470 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10471 (bss_noswitch_section): New variables.
10472 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10473 (get_noswitch_section): New function.
10474 (get_block_for_section): Allow SECT to be null.
10475 (unlikely_text_section_p): Use SECTION_STYLE.
10476 (bss_initializer_p): New function.
10477 (get_variable_section): Move earlier in file. Take a new argument,
10478 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10479 Return one of the new *_sections in such cases.
10480 (get_block_for_decl): New function, extracting some logic from
10481 use_blocks_for_decl_p.
10482 (change_symbol_section): Remove in favor of...
10483 (change_symbol_block): ...this new function.
10484 (use_blocks_for_decl_p): Remove checks now performed by
10485 get_block_for_decl.
10486 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10487 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10488 (emit_local, emit_bss, emit_common): ...these new functions.
10489 Return true if the alignment was honored.
10490 (emit_tls_common): New function.
10491 (asm_emit_uninitialised): Delete.
10492 (assemble_variable_noswitch): New function, split out from...
10493 (assemble_variable): ...here. Don't make decisions about common
10494 variables here. Globalize all public decls that go into non-common
10495 sections. Check whether SYMBOL_REF_BLOCK is null.
10496 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10497 (output_constant_pool): Likewise.
10498 (init_varasm_once): Initialize the new section variables.
10499 (have_global_bss_p): New function.
10500 (categorize_decl_for_section): Use bss_initializer_p.
10501 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10502 (place_block_symbol): Assert that the symbol must be in a block.
10503 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10504 (TARGET_INITIALIZER): Include it.
10505 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10506 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10507 (SECTION_MACH_DEP): Bump by two.
10508 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10509 (unnamed_section): Mention SECTION_UNNAMED in comment.
10510 (named_section): Likewise SECTION_NAMED.
10511 (noswitch_section_callback): New type.
10512 (noswitch_section): New structure.
10513 (section): Add a noswitch_section alternative.
10514 (SECTION_STYLE): New macro.
10515 (tls_comm_section, comm_section, lcomm_section): Declare.
10516 (bss_noswitch_section, have_global_bss_p): Declare.
10517 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10518 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10520 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10521 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10524 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10526 * tree-vrp.c (execute_vrp): Return value.
10527 * regrename.c (rest_of_handle_regrename): Ditto.
10528 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10529 * tree-complex.c (tree_lower_complex): Ditto.
10530 (tree_lower_complex_O0): Ditto.
10531 * tracer.c (rest_of_handle_tracer): Ditto.
10532 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10533 * postreload.c (rest_of_handle_postreload): Ditto.
10534 * tree-tailcall.c (execute_tail_recursion): Ditto.
10535 (execute_tail_calls): Ditto.
10536 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10537 * tree.h (init_function_for_compilation): Ditto.
10538 * ipa-cp.c (ipcp_driver): Ditto.
10539 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10540 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10541 * final.c (compute_alignments): Ditto.
10542 (rest_of_handle_final): Ditto.
10543 (rest_of_handle_shorten_branches): Ditto.
10544 (rest_of_clean_state): Ditto.
10545 * omp-low.c (execute_expand_omp): Ditto.
10546 (execute_lower_omp): Ditto.
10547 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10548 * ipa-reference.c (static_execute): Ditto.
10549 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10550 * reorg.c (rest_of_handle_delay_slots): Ditto.
10551 (rest_of_handle_machine_reorg): Ditto.
10552 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10553 * flow.c (recompute_reg_usage): Ditto.
10554 (rest_of_handle_remove_death_notes): Ditto.
10555 (rest_of_handle_life): Ditto.
10556 (rest_of_handle_flow2): Ditto.
10557 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10558 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10559 (do_ssa_store_ccp): Ditto.
10560 (execute_fold_all_builtins): Ditto.
10561 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10562 * modulo-sched.c (rest_of_handle_sms): Ditto.
10563 * ipa-pure-const.c (static_execute): Ditto.
10564 * cse.c (rest_of_handle_cse): Ditto.
10565 (rest_of_handle_cse2): Ditto.
10566 * web.c (rest_of_handle_web): Ditto.
10567 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10568 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10569 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10570 * tree-nrv.c (tree_nrv): Ditto.
10571 (execute_return_slot_opt): Ditto.
10572 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10573 (create_structure_vars): Ditto.
10574 * loop-init.c (rtl_loop_init): Ditto.
10575 (rtl_loop_done): Ditto.
10576 (rtl_move_loop_invariants): Ditto.
10577 (rtl_unswitch): Ditto.
10578 (rtl_unroll_and_peel_loops): Ditto.
10579 (rtl_doloop): Ditto.
10580 * gimple-low.c (lower_function_body): Ditto.
10581 (mark_used_blocks): Ditto.
10582 * tree-ssa-sink.c (execute_sink_code): Ditto.
10583 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10584 (cgraph_early_inlining): Ditto.
10585 * global.c (rest_of_handle_global_alloc): Ditto.
10586 * jump.c (cleanup_barriers): Ditto.
10587 (purge_line_number_notes): Ditto.
10588 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10589 (rest_of_handle_if_after_reload): Ditto.
10590 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10591 (tree_ssa_loop_im): Ditto.
10592 (tree_ssa_loop_unswitch): Ditto.
10593 (tree_vectorize): Ditto.
10594 (tree_linear_transform): Ditto.
10595 (tree_ssa_loop_ivcanon): Ditto.
10596 (tree_ssa_empty_loop): Ditto.
10597 (tree_ssa_loop_bounds): Ditto.
10598 (tree_complete_unroll): Ditto.
10599 (tree_ssa_loop_prefetch): Ditto.
10600 (tree_ssa_loop_ivopts): Ditto.
10601 (tree_ssa_loop_done): Ditto.
10602 * predict.c (tree_estimate_probability): Ditto.
10603 * recog.c (split_all_insns_noflow): Ditto.
10604 (rest_of_handle_peephole2): Ditto.
10605 (rest_of_handle_split_all_insns): Ditto.
10606 * tree-eh.c (lower_eh_constructs): Ditto.
10607 * regmove.c (rest_of_handle_regmove): Ditto.
10608 (rest_of_handle_stack_adjustments): Ditto.
10609 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10610 * function.c (instantiate_virtual_regs): Ditto.
10611 (init_function_for_compilation): Ditto.
10612 (rest_of_handle_check_leaf_regs): Ditto.
10613 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10614 (rest_of_handle_gcse): Ditto.
10615 * ipa-type-escape.c (type_escape_execute): Ditto.
10616 * alias.c (rest_of_handle_cfg): Ditto.
10617 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10618 * profile.c (rest_of_handle_branch_prob): Ditto.
10619 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10620 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10621 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10622 * tree-dfa.c (find_referenced_vars): Ditto.
10623 * except.c (set_nothrow_function_flags): Ditto.
10624 (convert_to_eh_region_ranges): Ditto.
10625 (rest_of_handle_eh): Ditto.
10626 * emit-rtl.c (unshare_all_rtl): Ditto.
10627 (remove_unnecessary_notes): Ditto.
10628 * except.h (set_nothrow_function_flags): Ditto.
10629 (convert_to_eh_region_ranges): Ditto.
10630 * cfgexpand.c (tree_expand_cfg): Ditto.
10631 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10632 * tree-ssa-pre.c (do_pre): Ditto.
10633 (execute_fre): Ditto.
10634 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10635 (rest_of_handle_jump2): Ditto.
10636 * tree-sra.c (tree_sra): Ditto.
10637 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10638 (execute_mudflap_function_decls): Ditto.
10639 * tree-ssa-copy.c (do_copy_prop): Ditto.
10640 (do_store_copy_prop): Ditto.
10641 * ipa-prop.h (ipcp_driver): Ditto.
10642 * cfglayout.c (insn_locators_initialize): Ditto.
10643 * tree-ssa-forwprop.c
10644 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10645 * cfglayout.h (insn_locators_initialize): Ditto.
10646 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10647 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10648 (execute_late_warn_uninitialized): Ditto.
10649 * rtl.h (cleanup_barriers): Ditto.
10650 (split_all_insns_noflow): Ditto.
10651 (purge_line_number_notes): Ditto.
10652 (unshare_all_rtl): Ditto.
10653 (remove_unnecessary_notes): Ditto.
10654 (recompute_reg_usage): Ditto.
10655 (variable_tracking_main): Ditto.
10656 * integrate.c (emit_initial_value_sets): Ditto.
10657 * integrate.h (emit_initial_value_sets): Ditto.
10658 * tree-optimize.c (execute_free_datastructures): Ditto
10659 (execute_free_cfg_annotations): Ditto.
10660 (execute_fixup_cfg): Ditto.
10661 (execute_cleanup_cfg_pre_ipa): Ditto.
10662 (execute_cleanup_cfg_post_optimizing): Ditto.
10663 (execute_init_datastructures): Ditto.
10664 * tree-object-size.c (compute_object_sizes): Ditto.
10665 * combine.c (rest_of_handle_combine): Ditto.
10666 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10667 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10668 (rest_of_handle_reorder_blocks): Ditto.
10669 (rest_of_handle_partition_blocks): Ditto.
10670 * var-tracking.c (variable_tracking_main): Ditto.
10671 * tree-profile.c (tree_profiling): Ditto.
10672 * tree-vect-generic.c (expand_vector_operations): Ditto.
10673 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10674 * sched-rgn.c (rest_of_handle_sched): Ditto.
10675 (rest_of_handle_sched2): Ditto.
10676 * basic-block.h (free_bb_insn): Ditto.
10677 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10678 * tree-cfg.c (execute_build_cfg): Ditto.
10679 (remove_useless_stmts): Ditto.
10680 (split_critical_edges): Ditto.
10681 (execute_warn_function_return): Ditto.
10682 (execute_warn_function_noreturn): Ditto.
10683 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10684 * cfgrtl.c (free_bb_for_insn): Ditto.
10685 * passes.c (execute_one_pass): Run additional
10686 todos returned by execute function.
10687 * tree-pass.h (struct tree_opt_pass): Make execute
10690 2006-03-02 Richard Guenther <rguenther@suse.de>
10692 * tree-ssa-alias.c (find_used_portions): Consider taking
10693 the address as making the variable not write-only.
10695 2006-03-02 Nick Clifton <nickc@redhat.com>
10697 * config.gcc (default_use_cxa_atexit): Extend the description of
10698 this configure variable. Set its default value to "yes" for
10699 Linux, NetBSD and ELF targets on the assumption that they will
10700 use C libraries with the __cxa_atexit function.
10702 2006-03-02 Ben Elliston <bje@au.ibm.com>
10704 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10705 parameter as unused to suppress a build warning.
10707 2006-03-02 Ben Elliston <bje@au.ibm.com>
10709 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10712 2006-03-01 Roger Sayle <roger@eyesopen.com>
10715 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10716 declared name, the weak reference name, and the typeof name.
10717 (__gthrw): Avoid expanding the declared name suffix.
10718 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10720 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10722 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10724 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10725 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10726 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10727 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10728 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10729 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10730 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10731 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10732 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10733 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10734 (DW_END_default, DW_END_big, DW_END_little): New.
10735 (DW_END_lo_user, DW_END_hi_user): Define.
10736 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10737 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10738 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10741 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10743 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10745 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10747 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10749 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10751 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10752 to 'symbol_mem_tag'.
10754 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10757 2006-03-01 Roger Sayle <roger@eyesopen.com>
10759 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10761 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10764 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10765 MACHO_DYNAMIC_NO_PIC_P.
10766 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10768 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10771 * config/darwin-protos.h (darwin_asm_output_anchor):
10773 * config/darwin-sections.def (cstring_section):
10774 Add SECTION_MERGE to the flags.
10775 (literal4_section): Likewise.
10776 (literal8_section): Likewise.
10777 (objc_selector_refs_section): Likewise.
10778 (objc_cls_refs_section): Likewise.
10779 * config/darwin.c (darwin_asm_output_anchor): New
10781 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10783 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10785 Fix PR tree-optimization/26443
10786 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10787 to todo and PROP_tmt_usage to properties_destroyed.
10788 * tree-ssa-ccp.c (pass_ccp): Ditto.
10789 (pass_store_ccp): Ditto.
10790 * tree-ssa-dom.c (pass_dominator): Ditto.
10792 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10794 * tree-ssa-operands.c: Cleanup whitespace.
10795 (get_asm_expr_operands): Move before first invocation.
10796 (get_indirect_ref_operands): Likewise.
10797 (get_tmr_operands): Likewise.
10798 (get_call_expr_operands): Likewise.
10799 (append_def): Likewise.
10800 (append_use): Likewise.
10801 (append_v_may_def): Likewise.
10802 (append_v_must_def): Likewise.
10803 (add_call_clobber_ops): Likewise.
10804 (add_call_read_ops): Likewise.
10805 (add_stmt_operand): Likewise.
10806 (add_virtual_operand): Likewise.
10807 (build_ssa_operands): Likewise.
10809 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10811 PR middle-end/26022
10813 PR middle-end/24437
10814 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10815 with a call expr to ...
10816 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10818 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10820 * tree-vrp.c (extract_range_from_assert): Remove special
10821 handling for types with super-types.
10823 2006-03-01 Ben Elliston <bje@au.ibm.com>
10825 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10826 and powerpc64-*-linux* configurations.
10827 * config/t-dfprules: New file.
10829 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10830 Compile dfp-bit.c from the source directory using -DWIDTH and
10831 $DFP_CFLAGS to control the compilation of that file, rather than
10832 generating width-specific versions in the build directory.
10833 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10834 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10836 2006-02-28 Zack Weinberg <zackw@panix.com>
10838 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10841 2006-02-28 Eric Christopher <echristo@apple.com>
10843 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10844 Set up IN_LIBGCC definition of TARGET_64BIT.
10845 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10847 2006-02-28 Roger Sayle <roger@eyesopen.com>
10849 PR middle-end/14752
10850 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10851 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10852 cases via the construction of "expr != 0".
10854 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10856 * alias.c (alias_invariant, alias_invariant_size): Remove.
10857 (record_base_value): Remove.
10858 (memrefs_conflict_p): Don't look at alias_invariant.
10859 (end_alias_analysis): Don't free it.
10860 * alias.h (record_base_value): Remove prototype.
10862 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10863 Adam Nemet <anemet@caviumnetworks.com>
10865 * rtl.h (truncated_to_mode): Declare it.
10866 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10867 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10868 (RTL_HOOKS_INITIALIZER): Include it.
10869 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10870 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10871 reg_truncated_to_mode.
10872 * rtlanal.c (truncated_to_mode): Define it.
10873 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10875 2006-02-28 Jeff Law <law@redhat.com>
10877 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10878 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10879 the range allowed by TYPE_PRECISION.
10881 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10883 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10885 PR tree-optimization/26419
10886 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10889 2006-02-27 Zack Weinberg <zackw@panix.com>
10891 * doc/md.texi: Fix typo in previous change.
10893 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10897 2006-02-27 Zack Weinberg <zackw@panix.com>
10899 * rtl.def (define_constraint, define_register_constraint)
10900 (define_memory_constraint, define_address_constraint): New MD forms.
10901 * gensupport.c (process_rtx): Put define_constraint etc on the
10903 * genpreds.c (process_define_predicate): Adjust comment. Validate
10904 the name, and call validate_exp to validate the expression.
10905 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10906 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10907 all callers changed.
10908 (validate_exp, needs_variable, struct constraint_data)
10909 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10910 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10911 (const_dbl_constraints, constraint_max_namelen)
10912 (have_register_constraints, have_memory_constraints)
10913 (have_address_constraints, have_address_constraints)
10914 (have_extra_constraints, have_const_int_constraints)
10915 (have_const_dbl_constraints, mangle, add_constraint)
10916 (process_define_constraint, process_define_register_constraint)
10917 (write_enum_constraint_num, write_lookup_constraint)
10918 (write_insn_constraint_len, write_regclass_for_constraint)
10919 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10920 (write_insn_extra_memory_constraint)
10921 (write_insn_extra_address_constraint)
10922 (write_satisfies_constraint_fns): New.
10923 (write_tm_preds_h): If we have new-style constraint definitions,
10924 prototype the functions generated from them, and define the
10925 old constraint interface (still used by generic code) in terms of
10927 (write_insn_preds_c): If we have new-style constraint definitions,
10928 generate all relevant functions from those definitions.
10929 (main): Handle define_constraint etc.
10930 * genoutput.c (struct constraint_data, indep_constraints)
10931 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10932 (mdep_constraint_len): New data structures and functions, defined
10933 #ifdef USE_MD_CONSTRAINTS.
10934 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10935 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10936 use new logic to validate operand constraints against constraint
10938 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10940 * defaults.h: If none of the old-style constraint macros are
10941 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10942 old-style macros; and poison REG_CLASS_FROM_LETTER,
10943 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10945 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10946 * doc/md.texi: Document new constraint-definition mechanism and the
10947 C interface it provides. Remove references to old mechanism
10948 elsewhere in the document.
10949 (Machine Constraints): Use pathnames relative to gcc directory,
10950 i.e. config/ARCH/FILE. Change i386 section to refer to
10951 config/i386/predicates.md; update that section to match docstrings.
10952 * doc/tm.texi: Move all documentation of the old constraint-
10953 definition macros to their own section, clearly mark as obsolete.
10955 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10956 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10958 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10959 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10960 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10961 constraint strings.
10962 (splits and peepholes): Use satisfies_constraint_*.
10963 * config/i386/i386.c (memory_address_length)
10964 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10966 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10968 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10969 scalar operation to be put back into the loop.
10971 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10974 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10975 (extract_cie_info): Handle S flag in augmentation string.
10976 (execute_cfa_program): If context->signal_frame, execute also
10977 fs->pc == context->ra instructions.
10978 (uw_frame_state_for): If context->signal_frame, don't subtract one
10979 from context->ra to find FDE.
10980 (uw_update_context_1): Set context->signal_frame to
10982 (_Unwind_GetIPInfo): New function.
10983 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10984 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10986 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10987 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10988 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10989 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10990 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10991 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10992 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10993 x86_64_fallback_frame_state): Set fs->signal_frame.
10994 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10995 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10996 (frob_update_context): Likewise. Workaround missing S flag in
10997 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10998 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10999 Remove the psw_addr + 1 hack.
11001 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11003 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11004 with aggregates here.
11005 (find_func_aliases): Remove code for &<aggregate> from here.
11007 2006-02-26 Roger Sayle <roger@eyesopen.com>
11009 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11010 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11011 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11012 as (X & C) ne/eq 0.
11014 2006-02-26 Roger Sayle <roger@eyesopen.com>
11016 PR middle-end/19983
11017 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11019 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11021 * opts.c (decode_options): Do not handle flag_strength_reduce.
11022 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11023 and OPT_fstrength_reduce.
11024 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11025 flag_prefetch_loop_arrays for being nonzero.
11026 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11028 (fprefetch-loop-arrays-rtl): Removed.
11029 (flag_prefetch_loop_arrays): Do not specify the value.
11031 * doc/passes.texi: Update documentation of loop optimizer
11033 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11034 -frerun-loop-opt): Remove.
11036 2006-02-26 Richard Guenther <rguenther@suse.de>
11038 PR tree-optimization/26421
11039 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11040 in function calls that are ADDR_EXPRs as using the whole structure.
11042 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11044 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11045 * tree-pass.h (pass_loop_optimize): Remove.
11046 * passes.c (pass_loop_optimize): Never run it.
11047 * toplev.c (backend_init): Don't call init_loop.
11048 * opts.c (flag_loop_optimize_set): Remove.
11049 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11050 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11051 the old RTL loop optimizer when profiling enabled.
11052 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11053 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11054 pre-headers for the sake of the old RTL loop optimizer.
11055 * Makefile.in: Remove all references to loop.o.
11057 * doc/invoke.texi: Remove all references to -floop-optimize
11058 and -frerun-loop-opt.
11060 2006-02-26 Zack Weinberg <zackw@panix.com>
11062 * doc/md.texi (Machine Constraints): Refer to all files with paths
11063 relative to gcc directory (i.e. config/CPU/file). Add missing
11064 @table @code ... @end table to M32C subsection.
11066 2006-02-26 Roger Sayle <roger@eyesopen.com>
11068 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11070 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11072 2006-02-26 Roger Sayle <roger@eyesopen.com>
11073 James A. Morrison <phython@gcc.gnu.org>
11075 PR middle-end/21137
11076 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11077 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11078 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11079 signedness of the shift operation.
11081 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11083 PR tree-optimization/26359
11084 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11086 2006-02-25 Roger Sayle <roger@eyesopen.com>
11088 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11089 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11090 as X == 0, and some symmetry related transformations.
11091 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11093 2006-02-25 Roger Sayle <roger@eyesopen.com>
11095 PR middle-end/23673
11096 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11097 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11098 symmetry related transformations. Fold (X^C1) == C2 as
11101 2006-02-25 Juergen Weigert <jw@suse.de>
11102 Richard Guenther <rguenther@suse.de>
11104 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11106 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11108 * combine.c (gen_lowpart_or_truncate): Call
11109 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11111 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11113 * doc/invoke.texi: Move -fopenmp description to "Options for
11115 Remove reference to -lgomp.
11117 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11119 * doc/install.texi: Require GNU tar version 1.14.
11121 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11123 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11124 * doc/invoke.texi (C++ Dialect Options): Document
11125 -fno-use-cxa-get-exception-ptr.
11126 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11127 * configure: Regenerate.
11128 * c.opt (fuse-cxa-get-exception-ptr): New.
11129 * c-opts.c (c_common_handle_option): Handle
11130 OPT_fuse_cxa_get_exception_ptr.
11131 * c-common.c (flag_use_cxa_atexit): Update documentation.
11132 (flag_use_cxa_get_exception_ptr): New.
11133 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11134 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11136 (C_COMMON_OVERRIDE_OPTIONS): New.
11138 2006-02-24 Roger Sayle <roger@eyesopen.com>
11140 PR middle-end/24952
11141 * combine.c (try_combine): Explicitly check whether GET_CODE is
11142 a SET or a CLOBBER, instead on checking that it isn't a USE.
11144 2006-02-24 Roger Sayle <roger@eyesopen.com>
11146 * fold-const.c (fold_comparison): New subroutine of fold_binary
11147 containing transformations common to both the equality and
11148 ordering relational operators, factored out of fold_binary.
11149 (fold_binary): Separate out the equality operators (EQ_EXPR
11150 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11151 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11152 transformations common to both.
11153 (fold_div_compare): Fix latent bugs in the previously unreachable
11154 LT_EXPR and GE_EXPR cases.
11156 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11158 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11159 decl libname for clog to __clog on AIX.
11161 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11163 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11166 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11167 output traceback table for thunks. Localise rs6000_stack_info call.
11169 2006-02-23 Roger Sayle <roger@eyesopen.com>
11170 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11172 * gthr-posix.h (__gthrw): Fix typo in comment.
11174 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11176 * doc/cpp.texi (Character sets): Document that we do support
11177 input files to be in any character set.
11179 2006-02-23 Jeff Law <law@redhat.com>
11181 * tree.h (PHI_ARG_NONZERO): Remove.
11182 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11183 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11184 node to the new node.
11186 PR tree-optimization/26425
11187 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11188 min/max, then assume its varying.
11190 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11192 PR rtl-optimization/26316
11193 * rtlanal.c (enum may_trap_p_flags): New.
11194 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11195 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11196 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11197 (may_trap_after_code_motion_p): New function.
11198 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11199 (find_invariant_insn): Use may_trap_after_code_motion_p.
11200 * rtl.h (may_trap_after_code_motion_p): Declare.
11202 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11204 * emit-rtl.c (immed_double_const): Cleanup.
11206 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11208 Fix PR tree-optimization/26376
11209 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11212 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11214 PR middle-end/26412
11215 * gimplify.c (omp_add_variable): Guard variable size decl test with
11216 DECL_SIZE (decl) check.
11218 2006-02-23 Richard Guenther <rguenther@suse.de>
11220 PR middle-end/26439
11221 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11222 like aggregate types.
11224 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11226 * configure.ac: Add --with{,out}-long-double-128 configure option.
11227 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11228 * configure: Rebuilt.
11229 * config.in: Rebuilt.
11230 * doc/install.texi (Options specification): Document
11231 --with-long-double-128.
11233 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11234 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11235 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11236 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11238 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11240 * config/s390/s390.c (override_options): Handle
11241 TARGET_DEFAULT_LONG_DOUBLE_128.
11243 * config/alpha/alpha.c (override_options): Handle
11244 TARGET_DEFAULT_LONG_DOUBLE_128.
11246 * config/sparc/sparc.c (sparc_override_options): Handle
11247 TARGET_DEFAULT_LONG_DOUBLE_128.
11249 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11251 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11252 (real-install-headers-tar, real-install-headers-cpio)
11253 (real-install-headers-cp): New targets.
11255 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11257 * tree.h (variable_section): Delete.
11258 * varasm.c (variable_section): Delete.
11260 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11262 * install.texi: Add notes on install.texi2html.
11263 (Building in parallel): Do not use footnotes.
11265 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11268 * doc/install.texi (Configuration): Document --disable-libgomp.
11270 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11272 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11274 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11276 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11277 (vec_extractv2df_0_sse): New.
11279 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11281 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11282 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11283 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11284 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11285 to the result of the expression.
11286 (def_cfa_1): Adjust.
11287 (frame_pointer_cfa_offset): Rename to...
11288 (frame_pointer_fb_offset): ... this. Adjust all uses.
11289 (convert_cfa_to_loc_list): Rename to...
11290 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11291 Pass it on to build_cfa_loc.
11292 (compute_frame_pointer_to_cfa_displacement): Rename to...
11293 (compute_frame_pointer_to_fb_displacement): ... this. New
11294 offset parameter. Use it in computation.
11295 (gen_subprogram_die): Compute cfa_fb_offset with the new
11296 macro, and use it to compute the fb loc list and the
11299 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11301 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11302 replaced with register_operand.
11303 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11304 non-DREG is expensive.
11305 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11306 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11309 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11311 * doc/install.texi2html: Use set -e.
11313 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11315 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11316 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11317 * doc/invoke.texi (-fshared-data): Delete.
11318 * common.opt (fshared-data): Delete.
11319 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11320 (assemble_static_space): Remove #if 0 code.
11321 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11322 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11323 * config/cris/cris.h: Remove FIXME.
11325 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11327 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11330 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11332 PR middle-end/26379
11333 * combine.c (simplify_shift_const_1): Disable nested shifts
11334 optimization for vector shifts.
11336 2006-02-20 Roger Sayle <roger@eyesopen.com>
11338 PR tree-optimization/26361
11339 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11340 of unsigned integer types.
11342 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11344 * tree-chrec.c (eq_evolutions_p): New.
11345 * tree-chrec.h (eq_evolutions_p): Declared.
11346 * tree-data-ref.c: Fix formatting.
11347 (datadep_stats, dependence_stats): New.
11349 (print_direction_vector): New.
11350 (dump_data_dependence_relation): Use print_direction_vector.
11351 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11352 (compute_subscript_distance): Static.
11353 (initialize_data_dependence_relation): Static. Get the number
11354 of loops surrounding the references from the callers, and initialize
11355 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11356 base_object_differ_p analyzers.
11357 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11358 compute_overlap_steps_for_affine_1_2,
11359 analyze_subscript_affine_affine): Count the classified dependences.
11360 Print a message when a test failed.
11361 (can_use_analyze_subscript_affine_affine): New.
11362 (analyze_siv_subscript): Compute the data dependences on symbolic
11363 scevs that verify can_use_analyze_subscript_affine_affine.
11364 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11365 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11366 Handle symbolic scevs.
11367 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11369 (subscript_dependence_tester): Moved...
11370 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11371 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11372 DDR_SIZE_VECT instead of getting it in parameter.
11373 (subscript_dependence_tester): ... here. Take as a parameter
11374 loop_nest_depth. Call build_classic_dist_vector and
11375 build_classic_dir_vector.
11376 (compute_affine_dependence): Update subscript_dependence_tester
11377 parameters. Update datadep_stats counters. Call
11378 compute_subscript_distance.
11379 (compute_self_dependence): Save the dist and dir vectors. Call
11380 compute_subscript_distance.
11381 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11382 (compute_all_dependences): Reorder parameters as they were before
11383 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11384 compute_subscript_distance. Update the use of
11385 compute_affine_dependence and initialize_data_dependence_relation.
11386 (find_data_references_in_loop): Handle COMPONENT_REF.
11387 (compute_data_dependences_for_loop): Initialize dependence_stats.
11388 Don't call build_classic_dist_vector and build_classic_dir_vector.
11389 Update the parameters of initialize_data_dependence_relation and
11390 compute_all_dependences. Print the statistics from datadep_stats.
11391 (analyze_all_data_dependences): Static. Not used until the pass for
11392 checking the data dependences is contributed.
11393 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11394 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11395 (initialize_data_dependence_relation, compute_affine_dependence,
11396 analyze_all_data_dependences, compute_subscript_distance): Removed.
11397 (print_direction_vector): New.
11398 * lambda.h (gcd): ... here.
11399 (lambda_vector_gcd): Moved here from gcd_vector.
11400 * lambda-code.c (gcd, gcd_vector): Removed.
11401 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11402 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11404 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11406 * ipa-type-escape.c: Tidy some comments and white space.
11407 * tree-ssa-operands.c: Likewise.
11409 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11412 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11413 (dump_decl_name): Do not walk the decl tree chains.
11414 * tree-pass.h (TDF_CHAIN): Remove.
11416 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11418 * Makefile.in (C): Remove
11420 (.PHONY): Remove C and PROTO
11422 2006-02-20 Roger Sayle <roger@eyesopen.com>
11424 PR middle-end/26236
11425 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11426 deprecated CHAR_TYPE tree code.
11428 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11430 * configure.ac (target_list): Add install-info, dvi, html.
11431 * configure: Regenerate.
11433 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11434 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11435 treelang/Make-lang.in: Do not use double-colon rules.
11437 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11439 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11440 (TMT_USED_ALONE): New macro.
11441 * tree-pass.h (PROP_tmt_usage): New property.
11442 (TODO_update_tmt_usage): New todo.
11443 * tree-ssa-alias.c (updating_used_alone): New variable.
11444 (recalculate_used_alone): New function.
11445 (compute_may_aliases): Set updating_used_alone, call
11446 recalculate_used_alone.
11447 * tree-sra.c (pass_sra): Note that this pass destroys
11448 PROP_tmt_usage, and add TODO_update_tmt_usage.
11449 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11450 * tree-flow.h (updating_used_alone): Prototype.
11451 (recalculate_used_alone): Ditto.
11452 * passes.c (execute_todo): Add code to set updating_used_alone,
11453 and call recalculate.
11454 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11455 for clobber if used alone, and add assert to verify used_alone
11458 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11460 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11461 for non tls symbols added.
11462 (legitimize_address): Do nothing for PLUS expressions if one of the
11463 addends is a tls symbol reference.
11465 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11469 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11471 * Makefile.in (BOOTSTRAPPING): New.
11472 (quickstrap): New definition if BOOTSTRAPPING=yes.
11474 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11475 * configure.ac: Substitute all_selected_languages with the languages
11476 that were configured. For all the other variables except
11477 lang_specs_files, include all the languages in the tree.
11478 * configure: Regenerate.
11480 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11481 if there is one. Run the commands to run fixincludes in the same
11484 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11485 * doc/install.texi: Document exact conventions for searching target tools.
11486 Document --with-build-time-tools. Document toplevel bootstrap. Document
11487 something more about building an Ada cross-compiler. Don't list GNU Make
11488 requirements which affect all platforms.
11490 2006-02-19 Roger Sayle <roger@eyesopen.com>
11492 PR middle-end/19543
11493 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11494 only equivalent if the have both the same mode and precision.
11496 2006-02-20 Ben Elliston <bje@au.ibm.com>
11498 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11500 2006-02-19 Roger Sayle <roger@eyesopen.com>
11501 Steven Bosscher <stevenb.gcc@gmail.com>
11503 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11504 constant pool references to identify stack mode constants.
11505 * rtlanal.c (constant_pool_constant_p): New predicate to check
11506 whether operand is a floating point constant in the pool.
11507 * rtl.h (constant_pool_constant_p): Prototype here.
11508 * loop.c (scan_loop): Avoid hoisting constants from the constant
11509 pool on STACK_REGS targets.
11510 (load_mems): Likewise.
11511 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11512 loads into x87 registers expensive in terms of register pressure.
11514 2006-02-19 Roger Sayle <roger@eyesopen.com>
11516 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11517 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11519 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11521 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11522 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11524 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11526 * doc/invoke.texi: Document -fipa-pta.
11527 * common.opt: Add ipa-pta option.
11528 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11529 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11530 (do_ds_constraint): Ditto.
11531 (get_constraint_for): Only add to referenced_vars if
11532 referenced_vars exists.
11533 (insert_into_field_list): Rewrite to do this unsorted.
11534 (insert_into_field_list_sorted): Rename old insert_into_field_list
11536 (create_function_info_for): Use insert_into_field_list_sorted.
11537 (create_variable_info_for): Rewrite so it uses unsorted version,
11538 since the field list is sorted.
11539 (intra_create_variable_infos): Only add to referenced_vars if
11540 referenced_vars exists.
11541 (ipa_pta_execute): Init heapvars, and delete when done.
11542 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11544 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11546 * doc/install.texi: Add missing `@samp'.
11548 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11550 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11553 2006-02-18 Mark Wielaard <mark@klomp.org>
11555 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11556 who added new 4.1 features, bug fixes and integration support.
11558 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11561 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11562 MEM for ABI_V4 pic.
11564 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11566 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11567 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11568 (copy_insn_1): Likewise. Don't copy each field individually.
11570 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11572 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11573 * rtl.c (rtx_size): Rename variable to...
11574 (rtx_code_size): ...this.
11575 (rtx_size): New function.
11576 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11577 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11579 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11580 * rtl.h (rtx_code_size): New variable.
11581 (rtx_size): Change from a variable to a function.
11582 (RTX_SIZE): Rename to...
11583 (RTX_CODE_SIZE): ...this.
11586 PR tree-optimization/17106
11587 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11588 (Anchored Addresses): New section.
11589 * doc/invoke.texi (-fsection-anchors): Document.
11590 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11591 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11592 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11593 * hooks.c (hook_bool_mode_rtx_false): New function.
11594 * hooks.h (hook_bool_mode_rtx_false): Declare.
11595 * gengtype.c (create_optional_field): New function.
11596 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11597 SYMBOL_REF_IN_BLOCK_P is true.
11598 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11599 (min_anchor_offset, max_anchor_offset): Likewise.
11600 (use_anchors_for_symbol_p): New hook.
11601 * toplev.c (compile_file): Call output_object_blocks.
11602 (target_supports_section_anchors_p): New function.
11603 (process_options): Check that -fsection-anchors is only used on
11604 targets that support it and when -funit-at-a-time is in effect.
11605 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11606 if the decl doesn't have one.
11607 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11608 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11609 of force_const_mem through use_anchored_address.
11610 (expand_expr_constant): New function.
11611 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11612 calling expand_expr for INDIRECT_REF.
11613 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11614 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11615 * expr.h (use_anchored_address): Declare.
11616 * loop-unroll.c: Don't declare rtx vectors here.
11617 * explow.c: Include output.h.
11618 (validize_mem): Call use_anchored_address.
11619 (use_anchored_address): New function.
11620 * common.opt (-fsection-anchors): New switch.
11621 * varasm.c (object_block_htab, anchor_labelno): New variables.
11622 (hash_section, object_block_entry_eq, object_block_entry_hash)
11623 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11624 (use_blocks_for_decl_p, change_symbol_section): New functions.
11625 (get_variable_section): New function, split out from assemble_variable.
11626 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11627 use_blocks_for_decl_p say so. Use change_symbol_section if the
11628 symbol has already been created.
11629 (assemble_variable_contents): New function, split out from...
11630 (assemble_variable): ...here. Don't output any code for
11631 block symbols; just pass them to place_block_symbol.
11632 Use get_variable_section and assemble_variable_contents.
11633 (get_constant_alignment, get_constant_section, get_constant_size): New
11634 functions, split from output_constant_def_contents.
11635 (build_constant_desc): Create a block symbol if use_object_blocks_p
11636 says so. Or into SYMBOL_REF_FLAGS.
11637 (assemble_constant_contents): New function, split from...
11638 (output_constant_def_contents): ...here. Don't output any code
11639 for block symbols; just pass them to place_section_symbol.
11640 Use get_constant_section and get_constant_alignment.
11641 (force_const_mem): Create a block symbol if use_object_blocks_p and
11642 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11643 (output_constant_pool_1): Add an explicit alignment argument.
11644 Don't switch sections here.
11645 (output_constant_pool): Adjust call to output_constant_pool_1.
11646 Switch sections here instead. Don't output anything for block symbols;
11647 just pass them to place_block_symbol.
11648 (init_varasm_once): Initialize object_block_htab.
11649 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11650 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11651 (place_block_symbol, get_section_anchor, output_object_block)
11652 (output_object_block_htab, output_object_blocks): New functions.
11653 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11654 (TARGET_ASM_OUT): Include it.
11655 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11656 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11657 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11658 (TARGET_INITIALIZER): Include them.
11659 * rtl.c (rtl_check_failed_block_symbol): New function.
11660 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11661 (block_symbol, object_block): New structures.
11662 (rtx_def): Add a block_symbol field to the union.
11663 (BLOCK_SYMBOL_CHECK): New macro.
11664 (rtl_check_failed_block_symbol): Declare.
11665 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11666 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11667 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11668 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11669 * output.h (output_section_symbols): Declare.
11670 (object_block): Name structure.
11671 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11672 (default_use_anchors_for_symbol_p): Declare.
11673 * Makefile.in (RTL_BASE_H): Add vec.h.
11674 (explow.o): Depend on output.h.
11675 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11676 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11677 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11678 (rs6000_use_blocks_for_constant_p): New function.
11680 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11682 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11684 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11687 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11690 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11692 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11696 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11698 PR middle-end/26334
11699 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11700 instead of DECL_REGISTER.
11702 2006-02-18 Olivier Hainque <hainque@adacore.com>
11705 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11707 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11710 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11711 * opth-gen.awk: Handle Var and InverseMask together.
11712 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11713 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11714 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11715 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11717 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11718 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11719 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11720 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11721 LINUX_DYNAMIC_LINKER): Define.
11722 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11723 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11725 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11726 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11727 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11729 (TARGET_C99_FUNCTIONS): Don't define.
11730 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11731 GLIBC_DYNAMIC_LINKER.
11732 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11733 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11734 GLIBC_DYNAMIC_LINKER64): Define.
11735 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11736 LINUX_DYNAMIC_LINKER64.
11737 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11738 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11739 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11740 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11741 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11742 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11743 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11744 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11745 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11746 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11747 and LINUX_DYNAMIC_LINKER32.
11748 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11749 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11750 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11751 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11752 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11754 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11755 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11756 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11757 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11758 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11759 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11760 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11761 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11762 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11763 LINUX_DYNAMIC_LINKER): Define.
11764 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11765 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11766 GLIBC_DYNAMIC_LINKER64): Define.
11767 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11768 LINUX_DYNAMIC_LINKER64.
11769 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11770 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11771 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11772 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11773 LINUX_DYNAMIC_LINKER): Define.
11774 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11775 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11776 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11777 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11778 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11779 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11780 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11781 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11782 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11783 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11784 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11785 * doc/invoke.texi (-muclibc): Remove caveat about supported
11788 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11790 * doc/cpp.texi (__TIMESTAMP__): Document.
11792 2006-02-17 Roger Sayle <roger@eyesopen.com>
11794 PR middle-end/25600
11795 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11796 C is one less than the width of X (and related transformations).
11797 * simplify-rtx.c (simplify_unary_operation_1): Transform
11798 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11799 depending on STORE_FLAG_VALUE, were C is one less then the
11802 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11804 Fix PR tree-optimization/26341
11805 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11806 about NAME_MEMORY_TAG's.
11808 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11811 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11812 with hardware float support, and software float support. Add fcpy
11813 alternative to hardware patterns. Add alternatives to copy between
11814 general and floating-point registers to the 32-bit pattern.
11815 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11816 secondary reload to load a QI or HI mode constant into a floating
11818 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11819 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11821 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11824 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11826 (load_macho_picbase_di): Likewise.
11828 2006-02-16 Jeff Law <law@redhat.com>
11830 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11831 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11832 (ssa_name_nonzero_p): Likewise.
11833 (get_value_range): Return NULL if VRP is not running.
11834 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11835 VRP routines do not discover a range.
11836 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11837 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11838 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11839 (tree_expr_nonnegative_p): Similarly.
11840 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11841 (restore_nonzero_vars_to_original_value): Remove.
11842 (unsafe_associative_fp_binop): Remove.
11843 (tree_ssa_dominator_optimize): Remove initialization and
11844 finalization of nonzero_vars and nonzero_vars_stack.
11845 (dom_opt_initialize_block): No longer push marker on
11846 nonzero_vars_stack.
11847 (dom_opt_finalize_block): No longer call
11848 restore_nonzero_vars_to_original_value.
11849 (record_equivalences_from_phis): No longer look for
11850 nonzero PHI arguments.
11851 (cprop_into_successor_phis): No longer propagate nonzero
11852 property into PHI arguments. Lose unused argument. Caller
11854 (record_equivalences_from_stmt): No longer record nonzero
11855 values for SSA_NAMEs.
11856 (lookup_avail_expr): No longer use nonzero_vars.
11858 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11859 for sizetype when sizetype is unsigned.
11861 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11863 PR rtl-optimization/25603
11864 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11865 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11866 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11867 with new meaning of SETS.
11869 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11874 * config/linux.opt: New file.
11875 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11876 LINUX_DYNAMIC_LINKER): Define.
11877 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11878 * config.gcc (*-*-linux*): Define extra_options.
11879 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11880 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11881 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11882 GLIBC_DYNAMIC_LINKER.
11883 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11884 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11885 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11886 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11887 * doc/invoke.texi (GNU/Linux Options): New section.
11889 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11891 * config/sparc/sparc.md (setjmp): Rewrite.
11892 (setjmp_32): Delete.
11893 (setjmp_64): Likewise.
11895 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11897 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11900 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11902 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11905 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11907 PR rtl-optimization/26296
11908 * Makefile.in (loop-invariant.c): Add except.h dependency.
11909 * loop-invariant.c: Include except.h.
11910 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11912 2005-02-16 Paul Brook <paul@codesourcery.com>
11914 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11917 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11919 PR rtl-optimization/25636
11920 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11921 when deciding whether an insn is an initializing insn.
11923 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11925 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11926 (tree_code_size): Ditto.
11927 * tree.h (struct tree_memory_tag): Remove parent_var.
11928 (struct tree_struct_field_tag): New.
11931 (union tree_node): Add sft member.
11932 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11934 (create_sft): Add size and offset argument, set SFT_OFFSET and
11936 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11937 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11938 * tree-flow-inline.h (get_subvar_at): Update for
11939 SFT_OFFSET/SFT_SIZE.
11940 (var_can_have_subvars): Ditto.
11941 (overlap_subvar): Ditto.
11942 * print-tree.c (print_node): Print out interesting things for
11944 * tree-flow.h (struct subvar): Remove offset and size members.
11945 * tree-ssa-operands.c (get_expr_operands): Update for
11946 get_indirect_ref_operands changes.
11947 (get_indirect_ref_operands): Call add_virtual_operand instead of
11948 add_stmt_operand. Only recurse on base var if requested.
11949 (access_can_touch_variable): New function.
11950 (add_stmt_operand): Split virtual operand handling into ...
11951 (add_virtual_operand): Here. Add offset, size, and for_clobber
11952 arguments. Prune alias sets.
11953 (add_call_clobber_ops): Call add_virtual_operand.
11955 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11957 PR middle-end/26300
11958 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11960 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11961 than TREE_CODE as index into omp_clause_num_ops array.
11963 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11965 PR rtl-optimization/26184
11966 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11968 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11969 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11970 must_precede, must_follow and tobe_scheduled.
11973 * opts.c (common_handle_option): Free new_option pointer.
11974 * df-core.c (df_analyze): Free postorder pointer.
11976 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11978 * Makefile.in: Fix the examples about the use of stamps
11980 2006-02-15 Michael Matz <matz@suse.de>
11982 PR middle-end/22275
11984 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11985 influenced by maximum_field_alignment or DECL_PACKED.
11986 (update_alignment_for_field): Ditto.
11987 (place_field): Ditto.
11988 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11991 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11993 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11994 (debug_flow_info): Pass it.
11995 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11996 * bb-reorder.c (reorder_basic_blocks): Likewise.
11997 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11998 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11999 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12000 * gcse.c (gcse_main, bypass_jumps): Likewise.
12001 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12002 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12003 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12004 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12005 * rtl.h (dump_flow_info): Adjust prototype.
12006 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12007 * var-tracking.c (variable_tracking_main): Likewise.
12008 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12009 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12012 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12014 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12017 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12019 PR tree-optimization/26209
12020 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12021 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12023 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12025 2006-02-14 Roger Sayle <roger@eyesopen.com>
12027 PR middle-end/23670
12028 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12029 (X,Y) and the corresponding symmetry related transformations.
12030 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12031 (X,Y) and its symmetry related transformations.
12033 2006-02-14 Roger Sayle <roger@eyesopen.com>
12035 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12038 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12040 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12042 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12045 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12046 support COMDAT group.
12047 * configure: Regenerate.
12049 2006-02-14 Roger Sayle <roger@eyesopen.com>
12051 PR middle-end/26279
12052 PR middle-end/26280
12053 PR middle-end/26283
12054 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12056 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12058 Fix PR tree-optimization/26260
12060 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12062 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12063 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12064 * tree-ssa-structalias.c (create_variable_info_for): Use
12065 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12067 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12069 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12071 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12072 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12073 of the ending condition.
12074 * tree-ssa-loop-manip.c: Include params.h.
12075 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12076 tree_unroll_loop): New functions.
12077 * tree-pass.h (pass_loop_prefetch): Declare.
12078 * loop.c (rest_of_handle_loop_optimize): Test for
12079 -fprefetch-loop-arrays-rtl.
12080 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12081 * timevar.def (TV_TREE_PREFETCH): New timevar.
12082 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12083 pass_loop_prefetch): New.
12084 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12085 (cleanup_tree_cfg_loop): Call scev_reset.
12086 * common.opt (fprefetch-loop-arrays-rtl): Add.
12087 * tree-ssa-loop-prefetch.c: New file.
12088 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12089 (new_temp_expr_table): Initialize expr_vars.
12090 (free_temp_expr_table): Cleanup expr_vars.
12091 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12092 expressions from being merged into one.
12093 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12094 (struct tree_niter_desc): Add control, bound and cmp fields.
12095 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12097 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12098 (tree-cfgcleanup.o): Add SCEV_H dependency.
12099 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12100 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12102 2006-02-14 Richard Guenther <rguenther@suse.de>
12104 PR tree-optimization/26258
12105 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12106 in PHI argument processing.
12108 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12110 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12111 new expression in the requested machine mode.
12113 2006-02-13 Roger Sayle <roger@eyesopen.com>
12115 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12116 directly, instead let do_compare_rtx_and_jump handle this for us.
12117 * expr.c (expand_expr_real_1): Likewise.
12118 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12119 before do_jump_by_parts_greater.
12120 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12121 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12123 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12125 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12127 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12129 PR rtl-optimization/26235
12130 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12131 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12134 2006-02-13 Jeff Law <law@redhat.com>
12136 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12139 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12141 PR middle-end/26092
12142 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12143 twice if decl is a builtin. When trying again, call get_callee_fndecl
12144 first to verify it is still a builtin.
12146 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12148 * dwarf2out.c (base_type_die): Don't add AT_name here.
12149 (subrange_type_die): Don't add AT_name here.
12150 (modified_type_die): Rearrange code flow. Do add AT_name here.
12152 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12154 PR rtl-optimization/26247
12155 PR rtl-optimization/26248
12156 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12158 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12160 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12161 * config/fixtfdi.c: Likewise.
12162 * config/fixunstfdi.c: Likewise.
12163 * config/floatditf.c: Likewise.
12165 2006-02-13 Roger Sayle <roger@eyesopen.com>
12167 PR middle-end/24427
12168 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12169 into (X,C2) if C1 is a subset of the bits of C2. Transform
12170 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12172 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12174 2006-02-13 Josh Conner <jconner@apple.com>
12177 * varasm.c (function_section): Check for section name before
12178 calling select_section on targets that define
12179 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12180 unlikely_text_section instead of hot_function_section if
12181 first_function_block_is_cold.
12183 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12185 PR middle-end/25335
12186 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12188 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12190 PR rtl-optimization/26222
12191 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12192 after tree->rtl expansion.
12193 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12194 before passing it to emit_move_insn.
12196 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12198 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12200 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12201 Clarify documentation.
12202 * c-common.h (warn_write_strings): Remove.
12203 * c-common.c (warn_write_strings): Likewise.
12204 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12207 2006-02-12 Roger Sayle <roger@eyesopen.com>
12209 PR middle-end/25724
12210 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12211 (do_jump_parts_zero_rtx): New function renamed from
12212 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12213 (do_jump_parts_equality_rtx): New function split out from
12214 do_jump_parts_equality. Old implementation renamed as above.
12215 Call do_jump_parts_zero_rtx if either operand is zero.
12216 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12217 do all of the heavy lifting.
12218 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12219 calling either do_jump_by_parts_greater_rtx or
12220 do_jump_by_parts_equality_rtx.
12221 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12222 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12223 moved to do_compare_rtx_and_jump, call it directly.
12224 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12225 mode argument. Call do_compare_rtx_and_jump.
12226 (emit_case_nodes): Update calls to do_jump_if_equal.
12228 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12230 PR rtl-optimization/26225
12231 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12233 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12235 PR rtl-optimization/26232
12236 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12238 2006-02-11 Jason Merrill <jason@redhat.com>
12241 * tree-inline.c (declare_return_variable): Just don't use the
12242 modify target if it's a gimple complex reg and the return slot
12245 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12247 * doc/contrib.texi: Update my entry.
12249 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12251 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12253 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12255 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12258 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12260 * doc/invoke.texi (-floop-optimize2): Removed.
12261 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12262 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12263 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12264 * common.opt (floop-optimize2): Removed.
12265 (fmove-loop-invariants): Enabled by default.
12267 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12269 * tree-if-conv.c (combine_blocks): Free the result of
12270 get_loop_exit_edges.
12272 2006-02-10 Jeff Law <law@redhat.com>
12274 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12276 PR tree-optimization/26213
12277 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12278 loop trying to follow SSA_NAME_VALUE chains.
12280 2006-02-10 Richard Guenther <rguenther@suse.de>
12282 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12283 deal with structures that end in implicitly variable sized arrays.
12285 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12287 PR rtl-optimization/24762
12288 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12291 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12293 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12294 (struct ivopts_data): Add regs_used field.
12295 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12296 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12297 instead of loop_data->regs_used;
12298 (free_loop_data): Do not free aux fields for loops.
12299 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12300 and tree_ssa_iv_optimize_finalize.
12302 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12304 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12306 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12309 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12310 computing the effective result type.
12312 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12314 PR inline-asm/16194
12315 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12316 (tree_overlaps_hard_reg_set): Declare.
12317 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12318 type and signature to match function type expected by walk_tree.
12319 (tree_overlaps_hard_reg_set): New function.
12320 (decl_conflicts_with_clobbers_p): Rename to:
12321 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12322 Use tree_overlaps_hard_reg_set. Changed caller.
12323 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12324 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12325 * cris.c (cris_md_asm_clobbers): Likewise.
12327 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12329 * reload1.c (emit_input_reload_insns): Delete code that tries to
12330 inherit using find_equiv_reg.
12332 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12334 * c-common.h (flag_const_strings): Don't declare.
12335 * c-common.c (flag_const_strings): Remove.
12336 * c.opt (fconst_strings): Remove.
12337 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12338 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12339 (c_common_init_options): Don't set flag_const_strings.
12340 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12342 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12344 * arm.md (tlobits_cbranch): New pattern.
12345 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12346 testing a single bit.
12348 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12351 * tree-ssa-pre.c (create_component_ref_by_pieces):
12352 Handle RETURN_DECL like VAR_DECL.
12354 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12356 PR middle-end/26134
12357 * fold-const.c (fold_indirect_ref_1): Fold
12358 "*(foo *)&complexfoo" to "__real__ complexfoo"
12359 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12361 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12363 * tree-flow-inline.h (var_can_have_subvars):
12364 Volatile variables should not have subvariables.
12366 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12369 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12370 multiplying unsigned values.
12373 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12375 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12377 2006-02-08 Jason Merrill <jason@redhat.com>
12380 * tree.def: Elaborate on difference from MODIFY_EXPR.
12381 * doc/c-tree.texi (INIT_EXPR): Likewise.
12382 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12383 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12384 (gimplify_target_expr): Likewise.
12385 (gimplify_cond_expr): Remove target handling.
12386 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12387 (gimplify_expr): Clobber it here.
12388 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12389 Do return slot optimization if we have an INIT_EXPR.
12392 * tree-inline.c (declare_return_variable): Also clear
12393 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12396 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12398 PR middle-end/22439
12399 * gimplify.c (gimplify_one_sizepos): Fix typo.
12401 2006-02-08 Jeff Law <law@redhat.com>
12403 PR tree-optimization/21417
12404 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12405 across a backedge if the control statement at the end of the
12406 block is data dependent on other statements in the same block.
12407 (record_temporary_equivalences_from_stmts): Remove over-conservative
12408 test for threading across backedges.
12410 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12411 control statement, handle all three special cases in the same
12412 manner as they all have the same desired solution. No longer
12413 special case edge flag updating when the post dominator is
12416 2006-02-08 Roger Sayle <roger@eyesopen.com>
12418 * tree.def (CHAR_TYPE): Remove.
12419 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12420 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12421 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12422 (gen_string_type_die): Delete unreachable function.
12424 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12425 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12426 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12427 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12428 * builtins.c (type_to_class): Likewise.
12429 * fold-const.c (fold_convert, build_range_check,
12430 merge_ranges): Likewise.
12431 * expr.c (count_type_elements): Likewise.
12432 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12433 * stor-layout.c (layout_type): Likewise.
12434 * ipa-type-escape.c (type_to_consider): Likewise.
12435 * gimplify.c (omp_firstprivatize_type_sizes,
12436 gimplify_type_sizes): Likewise.
12437 * explow.c (promote_mode): Likewise.
12438 * tree-sra.c (is_sra_scalar_type): Likewise.
12439 * varasm.c (output_constant): Likewise.
12440 * tree-inline.c (remap_type_1): Likewise.
12441 * convert.c (convert_to_pointer, convert_to_real,
12442 convert_to_integer, convert_to_complex): Likewise.
12444 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12446 * df-scan.c (df_def_record_1): A set destination may
12447 be a parallel regardless of mode.
12449 2006-02-08 Roger Sayle <roger@eyesopen.com>
12452 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12453 * config/mips/_tilib.c: Remove.
12454 * config/fixtfdi.c: New libgcc source file.
12455 * config/fixunstfdi.c: New source file.
12456 * config/floatditf.c: New source file.
12457 * config/floatunditf.c: New souce file.
12458 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12459 files above instead of config/mips/_tilib.c.
12460 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12462 2006-02-08 Jeff Law <law@redhat.com>
12464 PR tree-optimization/26169
12465 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12468 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12470 * df.h (DF_REG_SIZE): Return the length of the initialized
12473 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12475 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12476 __muldf3): Return a correctly signed zero.
12478 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12480 * passes.c (register_one_dump_file): Accept the current properties
12481 instead of pass number. Adjust call to dump_register. Remove
12483 (register_dump_files): Now a wrapper around...
12484 (register_dump_files_1): ... this one. Do not modify the pass
12486 (next_pass_1): Cosmetic fix.
12487 (execute_todo): Keep second parameter only. Use curr_properties
12488 instead of fetching it from the pass structure. Check and set
12490 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12491 instead of fetching it from the pass structure. Fix calls to
12492 execute_todo. Update curr_properties and initialize .vcg RTL dump
12493 after running the pass. Reset last_verified.
12494 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12496 (FIRST_AUTO_NUMBERED_DUMP): New.
12497 (dump_register): Remove "num" parameter, assign it within the
12499 (get_dump_file_name): Modify template for dumps.
12500 * tree-dump.h (dump_register): Adjust prototype.
12501 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12502 (PROP_trees): Add PROP_gimple_lomp.
12503 (TODO_set_props): New.
12504 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12505 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12506 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12508 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12510 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12511 (sparc64-*-linux*): Likewise.
12512 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12513 * config/sparc/t-linux: New file.
12514 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12515 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12516 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12517 -m32 -mlong-double-128.
12519 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12520 * config/alpha/t-linux: New file.
12521 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12523 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12524 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12525 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12526 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12527 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12528 (CPP_ARCH32_SPEC): Remove.
12530 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12532 PR tree-optimization/26145
12533 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12536 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12539 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12540 >= 240000 when generating code for SOM runtime.
12541 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12542 to $$dyncall when generating code for SOM runtime..
12544 2006-02-07 Dirk Mueller <dmueller@suse.com>
12547 * doc/invoke.texi (-Wsequence-point): Update documentation
12548 that -Wsequence-point is implemented for C++ as well.
12550 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12552 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12553 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12554 (LIB_SPEC): Likewise.
12555 * doc/invoke.texi (SPARC options): Document -pthread.
12557 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12559 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12562 2006-02-07 Roger Sayle <roger@eyesopen.com>
12564 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12565 Correct comment describing BOOLEAN_TYPE.
12567 2006-02-07 Dirk Mueller <dmueller@suse.com>
12569 * c.opt: C++ frontend supports -Wdiv-by-zero.
12570 * c-opts.c (c_common_handle_option): Remove dead case.
12572 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12574 * configure.ac (TLS assembler check): Do not enable TLS by
12575 default on SPARC/Solaris before version 10.
12576 * configure: Regenerate.
12578 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12580 * doc/invoke.texi (xl-compat): Document conversion and support
12583 2006-02-07 Jeff Law <law@redhat.com>
12585 * tree-vrp.c (find_conditional_asserts): Update comments.
12586 (simplify_stmt_for_jump_threading): New.
12587 (identify_jump_threads, finalize_jump_threads): New.
12588 (vrp_finalize): Call identify_jump_threads.
12589 (execute_vrp): Call finalize_jump_threads.
12590 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12591 (vrp_element, vrp_data, vrp_element_p): Remove.
12592 (vrp_hash_elt, vrp_variables_stack): Remove.
12593 (vrp_hash, vrp_eq, record_range): Remove.
12594 (simplify_cond_and_lookup_avail_expr): Remove.
12595 (extract_range_from_cond): Remove.
12596 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12597 (simplify_stmt_for_jump_threading): New.
12598 (dom_thread_across_edge): New wrapper.
12599 (tree_ssa_dominator_optimize): No longer initialize or
12600 finalize any of the VRP datastructures. Remove iteration
12601 step and simplify as a result of removal of iteration step.
12602 (pass_dominator): Perform a cfg cleanup after DOM.
12603 (dom_opt_finalize_block): Use the new common routines
12604 for threading jumps. Simplify stack management slightly.
12605 No longer need to unwind VRP state.
12606 (record_equivalences_from_incoming_edge): No longer record
12608 (eliminate_redundant_computations): No longer call
12609 simplify_cond_and_lookup_avail_expr.
12610 * tree-flow.h (potentially_threadable_block): Prototype.
12611 (thread_across_edge): Likewise.
12612 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12613 (tree-ssa-threadedge.o): Add dependencies.
12614 * tree-ssa-threadedge.c: New file.
12615 * passes.c (init_optimization_passes): Merge PHIs before
12616 calling VRP. Run VRP again late in the SSA optimization pipeline.
12618 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12620 * df-core.c (df_set_blocks): Do not dereference function pointers.
12621 (df_finish1): Likewise.
12622 (df_hybrid_search_forward): Likewise.
12623 (df_hybrid_search_backward): Likewise.
12624 (df_iterative_dataflow): Likewise.
12625 (df_analyze_problem): Likewise.
12626 (df_compact_blocks): Likewise.
12627 (df_dump): Likewise.
12628 * df-scan.c (df_rescan_blocks): Likewise.
12629 (df_record_entry_block_defs): Likewise.
12631 * genconditions.c (write_conditions): Guard the definition of
12632 'insn_conditions' with the check on GCC version.
12633 (write_writer): Guard the traversal 'insn_conditions' with
12634 the check on GCC version.
12636 2006-02-07 Richard Guenther <rguenther@suse.de>
12640 2006-01-30 Richard Guenther <rguenther@suse.de>
12642 * gimplify.c (gimplify_target_expr): Handle easy cases
12643 without creating a temporary.
12645 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12647 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12648 use of float in probability computations. Use edge probabilities
12649 in place of statically computed probabilities.
12650 (min_spec_prob): New static variable.
12651 (schedule_insns): Initialize it.
12652 (GET_SRC_PROB): Removed.
12653 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12655 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12658 * config/ia64/unwind-ia64.c: Revert last change.
12659 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12660 (INCOMING_FRAME_SP_OFFSET): Define.
12662 2006-02-06 Roger Sayle <roger@eyesopen.com>
12664 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12666 2006-02-07 Ben Elliston <bje@au.ibm.com>
12668 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12669 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12670 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12671 (ix86_return_in_memory): Handle TDmode.
12672 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12673 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12675 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12677 * reorg.c (dbr_schedule): Use dump_file instead of file.
12679 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12682 * config/ia64/predicates.md (extr_len_operand): New predicate.
12683 * config/ia64/ia64.md (extv): Tighten constraints.
12685 (*tbit_and_2): Ditto.
12686 (*tbit_and_3): Ditto.
12687 (*tbit_or_2): Ditto.
12688 (*tbit_or_3): Ditto.
12689 (*bit_zero): Ditto.
12692 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12695 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12697 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12699 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12700 loop_optimizer_init and loop_optimizer_finalize
12701 * tree-ssa-sink.c (execute_sink_code): Ditto.
12702 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12703 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12704 tree_ssa_loop_done): Ditto.
12705 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12706 * sched-ebb.c: Include output.h.
12707 (schedule_ebbs): Do not use dump argument.
12708 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12709 * loop.c (loop_dump_stream): Removed.
12710 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12712 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12713 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12714 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12715 loop_iterations, strength_reduce, record_biv, record_giv,
12716 final_giv_value, check_final_value, check_ext_dependent_givs,
12717 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12718 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12719 dump_file instead of loop_dump_stream.
12720 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12721 argument dump_file.
12722 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12724 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12725 * haifa-sched.c: Include output.h
12726 (schedule_insns, sched_init): Do not use dump argument.
12727 * mode-switching.c (optimize_mode_switching): Ditto.
12728 * modulo-sched.c (stats_file): Removed.
12729 (print_node_sched_params): Do not call argument dump_file.
12730 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12731 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12733 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12735 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12736 rtl_loop_init, rtl_loop_done): Ditto.
12737 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12738 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12740 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12741 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12742 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12743 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12744 * emit-rtl.c (renumber_insns): Ditto.
12745 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12746 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12747 * regclass.c (regclass): Ditto.
12748 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12749 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12750 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12751 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12753 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12754 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12756 * gcse.c (gcse_file, debug_stderr): Removed.
12757 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12758 rest_of_handle_gcse): Do not use dump argument.
12759 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12760 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12761 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12762 compute_code_hoist_vbeinout, compute_code_hoist_data,
12763 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12764 compute_store_table, build_store_vectors, insert_insn_start_bb,
12765 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12766 store_motion): Use dump_file instead of gcse_file.
12767 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12768 * profile.c (profile_dump_file): Removed.
12769 (branch_prob): Use dump_file instead of profile_dump_file.
12770 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12772 * tree-ssa-copy.c (dump_copy_of): Ditto.
12773 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12774 dump file to life_analysis.
12775 * bt-load.c (branch_target_load_optimize): Ditto.
12776 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12778 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12779 regclass, dbr_schedule): Declaration changed.
12780 * sched-int.h (sched_init): Declaration changed.
12781 * tree-profile.c (tree_profile_dump_file): Removed.
12782 (tree_profile_hooks): Removed profile_dump_file hook.
12783 * rtl-profile (rtl_profile_dump_file): Removed.
12784 (rtl_profile_hooks): emoved profile_dump_file hook.
12785 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12787 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12788 * tree-cfg.c (build_tree_cfg): Ditto.
12789 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12790 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12791 Declaration changed.
12792 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12793 life_analysis and schedule_insns.
12794 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12796 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12798 * config/mips/mips.c (mips_reorg): Ditto.
12799 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12802 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12804 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12805 (s390_mangle_fundamental_type): New.
12806 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12809 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12810 (alpha_mangle_fundamental_type): New.
12811 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12814 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12816 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12818 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12819 (sparc_mangle_fundamental_type): New.
12821 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12823 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12824 (s390x-*-linux*): Likewise.
12825 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12826 * config/s390/t-linux: New file.
12828 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12830 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12831 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12833 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12835 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12836 (ANTIC_SAFE_LOADS): New macro.
12837 (find_or_generate_expression): Add prototype.
12838 (set_contains_value): Allow null set for sake of not always having
12839 to allocate ANTIC_SAFE_LOADS.
12840 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12841 Allow COMPONENT_REF too.
12842 (valid_in_set): Allow COMPONENT_REF.
12843 Check ANTIC_SAFE_LOADS too.
12844 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12845 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12847 (can_PRE_operation): Add COMPONENT_REF.
12848 (create_component_ref_by_pieces): New function.
12849 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12850 (insert_aux): Move AGGREGATE_TYPE_P check here.
12851 (compute_avail): Set bb local stmt uids.
12852 (pass_pre): Use TODO_update_ssa_only_virtuals.
12854 2006-02-06 Ben Elliston <bje@au.ibm.com>
12856 * configure.ac: Unconditionally disable decimal float by default.
12857 * configure: Regenerate.
12859 2006-02-06 Ben Elliston <bje@au.ibm.com>
12861 * read-rtl.c (read_name): Terminate reading on EOF.
12863 2006-02-06 Ben Elliston <bje@au.ibm.com>
12865 * dfp.c (decimal_real_arithmetic): Change second argument type
12866 from int to enum tree_code. Do not always return true, but now
12867 return result of any call to decimal_do helper functions.
12868 * dfp.h (decimal_real_arithmetic): Update prototype.
12870 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12872 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12874 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12877 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12880 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12882 * tree-vrp.c (cfg_loops): Removed.
12883 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12884 Use current_loops instead of cfg_loops. Pass flags to
12885 loop_optimizer_init.
12886 * cfgloopmanip.c (fix_loop_structure): Update only available
12888 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12889 loop_optimizer_init.
12890 * modulo-sched.c (build_loops_structure): Removed.
12891 (sms_schedule): Use loop_optimizer_init.
12892 * loop-init.c (loop_optimizer_init): Use flags to determine
12893 which properties of loops to prepare.
12894 (rtl_loop_init): Pass flags to loop_optimizer_init.
12895 * tree-ssa-sink.c (execute_sink_code): Ditto.
12896 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12897 * tree-ssa-pre.c (init_pre): Ditto.
12898 * cfgloop.h (LOOPS_NORMAL): New.
12899 (loop_optimizer_init): Declaration changed.
12901 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12903 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12904 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12906 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12908 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12910 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12911 * pa/t-pa64: Delete quadlib.c rule.
12912 * pa/x-ada: Revert last change.
12913 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12915 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12917 PR rtl-optimization/26087
12918 * rtlanal.c (canonicalize_condition): Do not cross basic block
12921 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12924 * config/ia64/ia64.c: Include debug.h.
12925 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12926 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12927 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12928 (process_epilogue, process_set, process_for_unwind_directive):
12929 Output unwind info only if requested. Add CFA info if requested.
12930 Add new arguments as needed. Adjust callers.
12931 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12933 (DWARF2_FRAME_INFO): Define to zero.
12934 * config/ia64/unwind-ia64.c: Remove code that compensated for
12935 the CFA offset error fixed above.
12936 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12937 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12938 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12939 -funwind-tables and -fexceptions to enable frame info.
12940 (dwarf2out_frame_init): Define initial CFA even if
12941 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12942 DWARF2_UNWIND_INFO is nonzero, not just defined.
12943 (dwarf2out_frame_finish): Output non-EH call frame info only
12944 if DWARF2_FRAME_INFO is nonzero.
12945 (convert_cfa_to_loc_list,
12946 compute_frame_pointer_to_cfa_displacement): Define even if
12947 unwind info is not supported.
12948 (gen_subprogram_die): Use the above unconditionally. Remove
12949 legacy alternate code.
12950 * toplev.c (compile_file): Compile in call to
12951 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12952 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12954 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12955 Jakub Jelinek <jakub@redhat.com>
12957 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12958 IBM extended float format long double as "g" on powerpc*-linux.
12960 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12963 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12964 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12966 2006-02-03 Jason Merrill <jason@redhat.com>
12969 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12971 PR middle-end/25977
12972 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12973 on the return slot if it's an NRV.
12975 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12977 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12978 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12979 rewrite_use): Do not handle USE_OUTER.
12980 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12981 add_iv_outer_candidates, may_replace_final_value,
12982 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12983 (find_interesting_uses_op): Functionality of
12984 find_interesting_uses_outer_or_nonlin moved here.
12985 (find_interesting_uses_outside): Use find_interesting_uses_op.
12987 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12990 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12992 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12993 Ulrich Weigand <uweigand@de.ibm.com>
12996 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12997 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12998 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12999 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13001 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13002 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13003 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13004 Define secondary reloads for TFmode moves.
13005 (constant_modes): Add TFmode.
13006 (NR_C_MODES): Set to 8.
13007 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13009 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13010 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13011 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13012 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13013 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13014 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13015 (FPR mode macro): Add TFmode.
13016 (DSF mode macro): New.
13017 (<de>, <dee> mode attributes): Removed.
13018 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13019 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13020 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13021 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13022 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13023 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13024 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13025 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13026 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13027 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13028 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13029 "*negabs<mode>2", "sqrt<mode>2"):
13030 Changed <de> to <xde>. R constraint replaced by <Rf>.
13031 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13033 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13034 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13035 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13037 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13038 "extenddftf2", "extendsftf2"): New expanders.
13039 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13040 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13041 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13042 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13044 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13045 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13046 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13047 __floatditf): Add a GCC_4.1.0 symbol version tag.
13048 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13051 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13054 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13055 Use targetm.binds_local_p instead of TREE_PUBLIC.
13057 2006-02-02 Roger Sayle <roger@eyesopen.com>
13059 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13060 on INTEGER_TYPEs to indicate that it denotes a character type.
13061 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13062 signed_char_type_node, unsigned_char_type_node and char_type_node.
13063 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13064 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13065 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13067 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13068 Daniel Berlin <dberlin@dberlin.org>
13070 * tree-tailcall.c (arg_needs_copy_p): New function.
13071 (eliminate_tail_call): Use arg_needs_copy_p.
13072 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13073 (add_virtual_phis): New function.
13075 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13077 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13078 #ignore instead of #scratch for %g7 .register directive.
13080 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13082 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13085 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13087 * flow.c (calculate_global_regs_live): Assert that there aren't any
13090 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13092 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13093 what its name says.
13094 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13095 bsi_after_labels iterator.
13096 * tree-if-conv.c (find_phi_replacement_condition,
13097 replace_phi_with_cond_modify_expr): Likewise.
13098 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13099 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13101 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13103 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13105 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13108 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13109 array after growing it.
13111 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13113 PR middle-end/24901
13114 * fold-const.c (fold_checksum_tree): Change type of buf.
13116 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13118 * reload.c (push_secondary_reload): Initialize t_icode.
13120 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13122 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13123 -msoft-float -mlong-double-128 only issue a warning, but don't
13124 swich to DFmode long double.
13126 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13128 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13129 has a constant equivalent, iterate over equivalents for arg0,
13130 calling simplify_relational_operation and if there's a result
13131 cheaper than X, apply fold_rtx and return the result.
13133 2006-02-01 Jan Hubicka <jh@suse.cz>
13135 * opts.c (no_unit_at_a_time_default): New global variable.
13136 (decode_options): Use it.
13137 * opts.h (no_unit_at_a_time_default): Declare.
13139 2006-02-01 Paul Brook <paul@codesourcery.com>
13141 * function.c (assign_parm_setup_reg): Use function argument promotion
13143 * expr.c (expand_expr_real_1): Use function argument promotion rules
13146 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13148 * gcc.c (process_command): Change j to 'unsigned int'.
13150 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13152 PR middle-end/26001
13153 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13154 Use the corrected index for the character
13155 out of the string constant.
13157 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13159 * mode-switching.c (optimize_mode_switching): Fix size
13160 allocated for bb_info[n_entities].
13162 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13164 * gcc.c (main): Correct type that is allocated for
13165 explicit_link_files.
13167 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13169 * config/s390/s390.c (init_alignment_context): Set
13170 ALIAS_SET_MEMORY_BARRIER on the MEM.
13171 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13173 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13175 PR middle-end/25933
13176 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13178 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13181 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13183 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13184 * regrename.c: Ditto.
13185 * tree-ssa-loop-im.c: Ditto.
13186 * tree-dump.c: Ditto.
13187 * tree-complex.c: Ditto.
13188 * genrecog.c: Ditto.
13189 * tree-ssa-threadupdate.c: Ditto.
13191 * java/class.c: Ditto.
13192 * java/jcf-parse.c: Ditto.
13193 * java/resource.c: Ditto.
13194 * java/except.c: Ditto.
13195 * java/jvspec.c: Ditto.
13196 * java/jcf-write.c: Ditto.
13197 * java/jcf-path.c: Ditto.
13198 * java/gjavah.c: Ditto.
13199 * java/zextract.c: Ditto.
13200 * java/jcf-io.c: Ditto.
13201 * java/jcf.h: Ditto.
13202 * java/buffer.c: Ditto.
13203 * java/lang.c: Ditto.
13204 * java/parse-scan.y: Ditto.
13205 * java/lex.c: Ditto.
13206 * java/lex.h: Ditto.
13207 * cfgloopmanip.c: Ditto.
13208 * postreload-gcse.c: Ditto.
13209 * tree-ssa-loop-manip.c: Ditto.
13210 * postreload.c: Ditto.
13211 * tree-ssa-loop-ch.c: Ditto.
13214 * cppspec.c: Ditto.
13215 * diagnostic.c: Ditto.
13217 * genoutput.c: Ditto.
13219 * cfghooks.c: Ditto.
13220 * cfgloopanal.c: Ditto.
13221 * objc/objc-act.c: Ditto.
13223 * genextract.c: Ditto.
13224 * genautomata.c: Ditto.
13225 * pretty-print.c: Ditto.
13226 * genemit.c: Ditto.
13227 * cgraphunit.c: Ditto.
13229 * df-scan.c: Ditto.
13230 * haifa-sched.c: Ditto.
13231 * dominance.c: Ditto.
13233 * tree-ssa-loop-ivopts.c: Ditto.
13234 * df-core.c: Ditto.
13235 * mode-switching.c: Ditto.
13236 * modulo-sched.c: Ditto.
13238 * ipa-pure-const.c: Ditto.
13240 * fix-header.c: Ditto.
13242 * tree-stdarg.c: Ditto.
13243 * ipa-utils.c: Ditto.
13244 * loop-init.c: Ditto.
13245 * ipa-inline.c: Ditto.
13246 * cfganal.c: Ditto.
13248 * alloc-pool.c: Ditto.
13249 * dwarf2out.c: Ditto.
13251 * genattrtab.c: Ditto.
13252 * tree-ssa-loop-ivcanon.c: Ditto.
13253 * predict.c: Ditto.
13254 * timevar.c: Ditto.
13256 * fortran/gfortranspec.c: Ditto.
13257 * regmove.c: Ditto.
13258 * local-alloc.c: Ditto.
13259 * langhooks.c: Ditto.
13260 * function.c: Ditto.
13261 * tree-vectorizer.c: Ditto.
13263 * ipa-type-escape.c: Ditto.
13265 * tree-if-conv.c: Ditto.
13266 * profile.c: Ditto.
13268 * tree-data-ref.c: Ditto.
13269 * loop-unroll.c: Ditto.
13270 * treelang/treetree.c: Ditto.
13272 * bt-load.c: Ditto.
13273 * ggc-common.c: Ditto.
13275 * coverage.c: Ditto.
13277 * tree-cfgcleanup.c: Ditto.
13278 * tree-ssa-pre.c: Ditto.
13279 * cfgcleanup.c: Ditto.
13280 * loop-invariant.c: Ditto.
13281 * loop-iv.c: Ditto.
13282 * ipa-prop.c: Ditto.
13283 * print-tree.c: Ditto.
13284 * conflict.c: Ditto.
13285 * ggc-page.c: Ditto.
13286 * sched-deps.c: Ditto.
13287 * regclass.c: Ditto.
13288 * tree-object-size.c: Ditto.
13289 * combine.c: Ditto.
13290 * bb-reorder.c: Ditto.
13291 * resource.c: Ditto.
13292 * var-tracking.c: Ditto.
13293 * cfgloop.c: Ditto.
13294 * df-problems.c: Ditto.
13295 * reg-stack.c: Ditto.
13297 * gccspec.c: Ditto.
13298 * sched-rgn.c: Ditto.
13299 * tree-ssa-structalias.c: Ditto.
13300 * tree-ssa-reassoc.c: Ditto.
13301 * config/darwin-c.c: Ditto.
13302 * config/darwin.c: Ditto.
13303 * config/arm/arm.c: Ditto.
13305 * collect2.c: Ditto.
13306 * reload1.c: Ditto.
13308 2006-01-31 Nicolas Pitre <nico@cam.org>
13310 * arm.md (smaxsi3): Make aware of smax_m1.
13313 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13315 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13317 2006-01-31 Richard Guenther <rguenther@suse.de>
13319 * doc/invoke.texi (-msselibm): Document.
13320 * target.h (expand_library_builtin): New target hook.
13321 * builtins.c (expand_builtin): Use expand_library_builtin.
13322 (default_expand_library_builtin): New function.
13323 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13324 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13325 (link_gcc_math_spec): Declare.
13326 (static_specs): Add link_gcc_math_spec.
13327 * expr.h (default_expand_library_builtin): Declare.
13328 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13329 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13330 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13331 * config/i386/i386.opt (msselibm): New target option.
13332 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13333 (ix86_init_sse_abi_builtins): New function.
13334 (ix86_expand_library_builtin): Likewise.
13335 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13336 (override_options): Handle error conditions wrt -msselibm.
13337 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13338 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13339 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13342 2006-01-31 Richard Guenther <rguenther@suse.de>
13343 Paolo Bonzini <bonzini@gnu.org>
13345 * doc/install.texi (--disable-libgcc-math): Document.
13347 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13349 * expr.h (expand_normal): new inline function.
13350 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13351 * dojump.c: use it.
13352 * dwarf2out.c: use it.
13355 * expmed.c: use it.
13356 * except.c: use it.
13357 * config/sparc/sparc.c: use it.
13358 * config/i386/i386.c: use it.
13359 * config/rs6000/rs6000.c: use it.
13360 * config/arm/arm.c: use it.
13361 * config/mips/mips.c: use it.
13362 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13364 2006-01-30 Roger Sayle <roger@eyesopen.com>
13366 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13367 argv to the appropriate type.
13369 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13371 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13374 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13377 * config/s390/s390.c (struct machine_function): New flag
13378 decomposed_literal_pool_addresses_ok_p.
13379 (s390_reorg): Set it before final stage of literal pool transforms.
13380 (s390_decompose_address): Only accept displacements of the form
13381 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13383 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13385 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13386 the comparison routine return.
13388 2006-01-30 Michael Matz <matz@suse.de>
13390 * global.c (find_reg): Only evict for global regs.
13391 Take n_refs into account and dump more info.
13393 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13396 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13397 (pragma_trap, pragma_nosave_low_regs): Likewise.
13398 (current_function_anonymous_args): Likewise.
13399 (sh_deferred_function_attributes): New variable.
13400 (sh_deferred_function_attributes_tail): Likewise.
13401 (print_operand): For '@', look up trap_exit attribute.
13402 (calc_live_regs): Look up trapa_handler attribute. For trapa
13403 handlers, save/restore fpscr, but don't do any other
13404 interrupt-specific saves.
13405 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13406 Fix check for partially saved registers to check for SHmedia.
13407 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13408 (sh_output_function_epilogue): Don't clear any of the removed
13410 (sh_insert_attributes): Don't check pragma_interrupt.
13411 Insert deferred attributes. Check that interrupt attribute is
13412 present for other attributes that require its presence.
13413 (sh_attribute_table): Add new attributes trapa_handler and
13415 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13416 Don't check for pragma_interrupt. Don't store argument.
13417 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13418 (sh_deferred_function_attributes): Declare.
13419 (sh_deferred_function_attributes_tail): Likewise.
13420 * sh.md (sp_switch_1): Add operand. Change generator caller.
13421 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13422 (*return_i): Don't use when trap_exit attribute is in effect.
13423 (*return_trapa): New insn pattern.
13424 * sh-c.c: New file.
13425 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13426 setting c_target_objs and cxx_target_objs.
13427 * t-sh: Add rule for sh-c.o.
13429 2006-01-30 Richard Guenther <rguenther@suse.de>
13432 * gimplify.c (gimplify_target_expr): Handle easy cases
13433 without creating a temporary.
13435 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13437 * vec.h (safe_grow): Remove duplicated line.
13439 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13442 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13443 (expand_omp): ... here.
13444 (expand_omp_parallel): Only remove barriers for combined
13445 parallel+workshare constructs.
13447 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13451 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13452 * tree.c (build_qualified_type): Chain the new type to the original
13453 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13454 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13455 (build_pointer_type_for_mode): Only return unqualified types.
13456 (build_reference_type_for_mode): Likewise.
13458 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13460 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13461 * Makefile.in (CXX_COMPAT_WARN): Define.
13462 * configure: Regenerate.
13464 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13467 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13470 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13472 * toplev.c: Fix thinko.
13474 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13475 Marcin Dalecki <martin@dalecki.de>
13477 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13478 (push_srcloc): Use XNEW.
13479 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13481 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13483 * df-core.c (df_set_blocks): Deleted all variable.
13485 2006-01-28 Ian Lance Taylor <ian@airs.com>
13487 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13488 cgraph_output_pending_asms.
13490 2006-01-28 Zack Weinberg <zackw@panix.com>
13492 * c.opt: Add -W(no-)overlength-strings.
13493 * doc/invoke.texi: Document it.
13494 * c-opts.c (c_common_handle_option): -pedantic implies
13495 -Woverlength-strings, if not explicitly disabled already.
13496 (c_common_post_options): -Woverlength-strings defaults to off, and
13497 is always off for C++.
13498 * c-common.c (fix_string_type): Issue warning about strings longer
13499 than is portable only if warn_overlength_strings. Rearrange code
13500 a little for clarity.
13501 * configure.in: Check for -Wno-overlength-strings as well before
13502 enabling -pedantic in stage 1.
13503 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13504 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13506 * genconditions.c (write_header, write_one_condition)
13507 (write_conditions, write_writer): Consolidate very long strings
13508 that were broken up to fit in C89 portable limit. Don't use
13509 printf when fputs will do.
13511 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13513 * combine.c (simplify_comparison <AND>): Check
13514 TRULY_NOOP_TRUNCATION before start using a subreg.
13516 * config/mips/mips.md (*branch_zero<mode>,
13517 *branch_zero<mode>_inverted, *branch_equality<mode>,
13518 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13519 Remove mode check from comparisons.
13521 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13523 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13525 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13527 * expmed.c (const_mult_add_overflow_p): Remove.
13528 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13530 * recog.c (validate_replace_rtx_subexp): Remove.
13531 * recog.h: Remove the prototype for
13532 validate_replace_rtx_subexp.
13534 * integrate.h: Remove the prototype for
13535 copy_decl_for_inlining.
13536 * rtl.h: Remove the prototype for mark_constant_function.
13537 * tree-vectorizer.h: Remove the prototype for
13538 vect_strip_conversion.
13540 * modulo-sched.c (create_partial_schedule,
13541 free_partial_schedule, reset_partial_schedule): Make them
13544 * hooks.c (hook_bool_rtx_int_false): Remove.
13545 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13547 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13549 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13550 and -mlong-double-128 are incompatible.
13551 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13552 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13553 (TARGET_LIBGCC2_CFLAGS): Define.
13554 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13555 (TARGET_LIBGCC2_CFLAGS): Same.
13556 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13558 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13561 * c-typeck.c (build_binary_op): Perform implicit casts of
13562 operands before shortening them.
13564 * cfgloopmanip.c (split_loop_bb): Remove.
13565 * cfgloop.h: Remove the prototype for split_loop_bb.
13567 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13568 * cfgloop.h: Remove the prototype for
13569 flow_loop_outside_edge_p.
13571 * emit-rtl.c (init_virtual_regs): Make it static.
13572 * function.h: Remove the prototype for init_virtual_regs.
13574 * recog.c (peephole2_optimize): Make it static.
13575 * recog.h: Remove the prototype for peephole2_optimize.
13577 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13579 * df-scan.c (df_record_entry_block_defs): Check if
13580 INCOMING_RETURN_ADDR_RTX is defined.
13582 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13583 Kenneth Zadeck <zadeck@naturalbridge.com>
13585 PR rtl-optimization/24762
13586 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13587 * targhooks.c (hook_void_bitmap): New hook prototype.
13588 * targhoohs.h (hook_void_bitmap): Ditto.
13589 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13590 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13591 * target.h (live_on_entry): New function pointer.
13592 * df-scan.c (df_all_hard_regs): Removed.
13593 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13594 (df_scan_free_internal): Added df->entry_block_defs.
13595 (df_scan_alloc): Ditto.
13596 (df_scan_dump): Ditto.
13597 (df_uses_record): Plumbed flag field properly thru calls.
13598 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13599 This part fixes PR24762.
13600 (df_bb_refs_record): Added code to make the frame and arg
13601 pointers live in EH blocks.
13602 (df_refs_record): Added call to df_record_entry_block_defs.
13603 (df_record_entry_block_defs): New function.
13604 * df-core.c: Added comments to describe new artifical defs.
13605 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13606 (entry_block_defs): New field in struct df.
13607 (df_all_hard_regs): Deleted.
13608 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13609 * df-problems.c (df_ru_bb_local_compute_process_def):
13610 Added code to handle artifical defs in the entry to a function.
13611 (df_ru_bb_local_compute): Ditto.
13612 (df_rd_bb_local_compute_process_def): Ditto.
13613 (df_rd_bb_local_compute): Ditto.
13614 (df_lr_bb_local_compute): Ditto.
13615 (df_ur_bb_local_compute): Ditto.
13616 (df_urec_bb_local_compute): Ditto.
13617 (df_chain_create_bb): Ditto.
13618 (df_ur_local_finalize): Removed entry.
13619 (df_urec_init): Ditto.
13620 (df_urec_local_finalize): Ditto.
13621 (df_ri_bb_compute): Added detection of last use of pseudos.
13622 * Makefile.in (df-scan.o): Updated dependencies.
13623 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13624 * config/mips/mips.c (mips_set_live_on_entry): Added.
13625 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13627 * dce.c (marked_insn_p): Added code to handle artifical defs.
13629 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13631 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13633 (_mm_cvtsi128_si64): Likewise.
13634 (_mm_cvtsd_si64): Likewise.
13635 (_mm_cvttsd_si64): Likewise.
13636 (_mm_cvtsi64_sd): Likewise.
13637 (_mm_cvtsi64_si128): Likewise.
13638 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13639 (_mm_cvtsi64_m64): Likewise.
13640 (_m_to_int64): Likewise.
13641 (_mm_cvtm64_si64): Likewise.
13642 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13643 (_mm_cvttss_si64): Likewise.
13644 (_mm_cvtsi64_ss): Likewise.
13645 (_mm_cvtss_f32): Likewise.
13647 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13649 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13650 for pragma redefine_extname.
13652 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13655 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13656 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13657 -mno-minimal-toc to previous content.
13658 (bispecs): Remove goal.
13659 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13660 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13661 compatibility aliases on powerpc-*-*gnu*.
13662 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13663 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13664 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13665 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13666 (ldblspecs): New goal.
13667 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13668 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13670 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13671 L_sf_to_tf or L_df_to_tf is defined.
13673 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13674 Alan Modra <amodra@bigpond.net.au>
13677 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13678 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13679 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13680 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13681 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13682 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13683 (rs6000_override_options): Initialize rs6000_ieeequad.
13684 Initialize TFmode format to ibm_extended_format if not
13686 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13688 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13689 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13690 (function_arg_advance): IBM long double passed in two FPRs, not
13692 (function_arg): IBM long double passed in FPRs.
13693 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13694 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13695 Only multireg GPR aligned.
13696 (rs6000_init_libfuncs): Enable IBM long double functions if not
13698 (rs6000_generate_compare): Use IBM long double compare if not
13700 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13701 (TARGET_IEEEQUAD): Define.
13702 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13703 not TARGET_IEEEQUAD.
13704 * config/rs6000/rs6000.md: Enable TFmode patterns if
13706 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13707 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13708 and -mlong-double-128 are incompatible.
13709 * doc/invoke.texi (-mabi): Collect options together. Add
13710 ibmlongdouble and ieeelongdouble.
13712 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13714 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13716 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13717 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13718 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13719 * rtl.h (rtunion_def): Remove rt_ptr.
13721 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13722 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13723 * config/i386/winnt.c (i386_pe_mark_dllexport)
13724 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13726 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13728 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13730 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13734 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13735 pthread_key_delete. From John David Anglin. gthrw-ify
13736 pthread_getunique_np only if it it's not a macro. Delete
13738 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13739 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13740 __gthread_objc_condition_signal, __gthread_key_delete): Add
13741 "__attribute__ ((__unused__))" to unused arguments.
13742 (__gthread_recursive_mutex_init_function): Add missing return.
13743 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13744 gthr-posix95.h: Use macro-based approach for name redirection
13745 on targets missing weakref.
13747 2006-01-26 Zack Weinberg <zackw@panix.com>
13749 * genconditions.c (write_header): In generated code, #ifdef out
13750 all includes and fake declarations, except includes of bconfig.h
13751 and system.h, unless GCC_VERSION >= 3001. Do not include
13752 gensupport.h in any case.
13753 (write_conditions): Generate a definition of struct c_test. Add
13754 a comment to the generated #endif.
13755 (write_one_condition): Escape backslashes in string too.
13756 (write_writer): Generated code must escape backslashes and quote
13757 marks (but not newlines) in the strings it writes.
13758 * Makefile.in (build/gencondmd.o): Update dependencies.
13760 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13763 * Makefile.in (insn-automata.o): Add header file dependencies.
13764 * genautomata.c: Add includes.
13766 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13769 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13771 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13773 * configure.ac: Expect target tools paths to be passed from the toplevel
13774 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13776 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13778 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13781 * c.opt (Wpointer-sign): Init to -1.
13782 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13783 OPT_pedantic, to 0 otherwise.
13784 * doc/invoke.texi: Update.
13786 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13788 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13789 constants provided by 80387 instructions in the destination mode.
13791 2006-01-26 Richard Guenther <rguenther@suse.de>
13792 Andrew Pinski <pinskia@physics.uc.edu>
13795 partial PR tree-opt/17064
13796 * tree-ssa-structalias.c (intra_create_variable_infos):
13797 Create heap variables for incoming parameters if
13798 flag_argument_noalias > 1.
13799 (find_what_p_points_to): Look through default defs of
13802 2006-01-26 Jeff Law <law@redhat.com>
13805 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13806 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13807 within the VR_RANGE, use the VR_RANGE as the result, not the
13809 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13810 bounds for the type.
13812 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13814 * tree-ssa-alias.c (maybe_create_global_var): Change
13815 subvar walking to an assertion that we don't have subvar'd variables.
13817 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13820 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13821 Use a new variable, inner. PARM_DECLs are always non-weak.
13823 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13825 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13826 --disable-checking.
13828 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13830 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13832 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13834 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13835 (smax_insn, smin_insn, smax_0, smin_0): New.
13837 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13840 * config/cris/cris.c (cris_order_for_addsi3): New function.
13841 * config/cris/cris-protos.h: Prototype it.
13842 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13843 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13844 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13845 (split for "op.S1 [rx=rx+i],ry (swapped)")
13846 (split for "op(s|u).S1 [rx=rx+i],ry")
13847 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13848 Apply cris_order_for_addsi3 when generating addsi3 insns.
13850 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13852 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13853 (TREE_BLOCK): Add call to EXPR_CHECK.
13855 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13858 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13859 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13860 (dump_omp_clauses): ... here.
13861 (dump_generic_node): Handle OMP_CLAUSE.
13862 * tree.c (omp_clause_num_ops): New.
13863 (omp_clause_code_name): New.
13864 (tree_code_size): Handle OMP_CLAUSE.
13865 (tree_size): Likewise.
13866 (make_node): Document handling of OMP_CLAUSE.
13867 (tree_node_structure): Handle OMP_CLAUSE.
13868 (omp_clause_check_failed): New.
13869 (omp_clause_range_check_failed): New.
13870 (omp_clause_operand_check_failed): New.
13871 (build_omp_clause): New.
13872 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13873 * tree.h (enum omp_clause_code): Declare.
13874 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13875 (OMP_CLAUSE_RANGE_CHECK): Define.
13876 (OMP_CLAUSE_ELT_CHECK): Define.
13877 (omp_clause_check_failed): Declare.
13878 (omp_clause_operand_check_failed): Declare.
13879 (omp_clause_range_check_failed): Declare.
13880 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13881 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13882 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13883 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13884 (OMP_CLAUSE_IF_EXPR): Likewise.
13885 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13886 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13887 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13888 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13889 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13890 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13891 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13892 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13893 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13894 (OMP_CLAUSE_CODE): Define.
13895 (OMP_CLAUSE_SET_CODE): Define.
13896 (OMP_CLAUSE_CODE): Define.
13897 (OMP_CLAUSE_OPERAND): Define.
13898 (struct tree_omp_clause): Declare.
13899 (union tree_node): Add field 'omp_clause'.
13900 * treestruct.def (TS_OMP_CLAUSE): Define.
13901 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13902 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13903 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13904 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13905 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13906 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13907 (OMP_CLAUSE): Define.
13908 * print-tree.c (print_node): Handle OMP_CLAUSE.
13909 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13910 * c-typeck.c: Likewise.
13911 * gimplify.c: Likewise.
13912 * c-omp.c: Likewise.
13913 * tree-nested.c: Likewise.
13914 * tree-inline.c: Likewise.
13915 * c-parser.c: Likewise.
13916 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13919 2006-01-25 Roger Sayle <roger@eyesopen.com>
13921 PR rtl-optimization/25703
13922 * combine.c (try_combine): Handle zero_extract and strict_low_part
13923 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13925 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13927 * global.c: Fix comment typos.
13929 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13932 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13933 Use output_addr_const instead of assemble_name.
13935 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13937 * Makefile.in (sched-vis.o): Update dependencies.
13938 * haifa-sched.c (sched_finish): Clear current_sched_info.
13939 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13940 (dump_flow_info): Call it.
13941 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13943 * basic-block.h (dump_bb_info): Declare.
13944 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13945 option, and apply options only for dump files whose TDF_RTL,
13946 TDF_TREE, or TDF_IPA bits match.
13947 * rtl.h: Declare new functions exported from sched-vis.c.
13948 * sched-vis.c: Enable also if scheduling is not used.
13949 (print_value): Print the mode of registers if not inside scheduling.
13950 (print_insn): Make it work outside the scheduler. Beautify the output
13952 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13954 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13956 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13957 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13958 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13959 depending on the value of CONSTANT_POOL_ADDRESS_P.
13960 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13962 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13963 rather than SYMBOL_REF_DECL.
13964 (rtx_constant_pool): Remove const_rtx_sym_htab.
13965 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13966 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13967 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13968 Remove handling of const_rtx_sym_htab.
13969 (find_pool_constant): Delete.
13970 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13971 rather than find_pool_constant.
13972 (get_pool_constant_for_function): Delete.
13973 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13974 find_pool_constant.
13975 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13976 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13977 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13978 (SYMBOL_REF_CONSTANT): New macro.
13979 (get_pool_constant_for_function): Delete.
13980 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13981 rather than SYMBOL_REF_DECL.
13982 (i386_pe_mark_dllimport): Likewise.
13983 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13984 rather than SYMBOL_REF_DECL.
13985 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13986 (machopic_indirect_call_target): Likewise.
13988 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13990 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13992 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13994 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13996 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13998 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14000 2006-01-24 David Daney <ddaney@avtrex.com>
14003 * configure.ac (enable_tls): New enable option.
14004 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14005 * configure: Regenerate.
14006 * doc/install.texi (--enable-tls): Document new option.
14007 (--disable-tls): Ditto.
14009 2006-01-24 Richard Henderson <rth@redehat.com>
14011 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14012 * alias.c (true_dependence): Respect it.
14013 (canon_true_dependence, write_dependence_p): Likewise.
14014 * builtins.c (get_builtin_sync_mem): Set it.
14016 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14018 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14021 2006-01-24 DJ Delorie <dj@redhat.com>
14023 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14024 for storing constants in single-bit bitfields.
14026 2006-01-25 Ben Elliston <bje@au.ibm.com>
14028 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14030 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14033 * tree-ssa-pre.c (phi_translate): Return NULL
14034 for AGGREGATE_TYPE's.
14036 2006-01-24 Zack Weinberg <zackw@panix.com>
14038 * genautomata.c (process_state_for_insn_equiv_partition):
14039 Use xcalloc for insn_arcs_array.
14040 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14041 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14043 2006-01-24 Richard Henderson <rth@redhat.com>
14045 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14046 update all callers.
14048 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14050 PR rtl-optimization/25890
14051 PR rtl-optimization/25905
14052 * combine.c (expand_compound_operation, expand_field_assignment):
14053 Fail if the bitfield's final position is out of bounds.
14055 2006-01-24 Ian Lance Taylor <ian@airs.com>
14057 PR middle-end/25930
14058 * cgraphunit.c (cgraph_output_in_order): Don't clear
14059 cgraph_asm_nodes until after asm strings have been output.
14061 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14063 * fix-header.c (read_scan_file): Add new parameter imultilib when
14064 calling register_include_chains.
14066 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14068 * omp-low.c: Update documentation.
14070 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14071 Daniel Berlin <dberlin@dberlin.org>
14075 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14076 return from the function.
14078 2006-01-22 Zack Weinberg <zackw@panix.com>
14080 * rtl.def (match_code): Add second argument.
14081 * genpreds.c (write_extract_subexp): New function.
14082 (write_match_code): Add path argument. Use write_extract_subexp.
14083 (write_predicate_expr): Pass path to write_match_code.
14084 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14085 not perform a mode test.
14086 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14087 a subexpression does not constrain the top-level code set.
14088 * read-rtl.c (read_rtx_variadic): New function.
14089 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14090 * doc/md.texi: Document new notation.
14091 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14092 (cmpsi_operand): ... here, using new notation.
14094 2006-01-22 Zack Weinberg <zackw@panix.com>
14096 * varray.c: Remove GENERATOR_FILE #ifdefs.
14098 2006-01-22 Zack Weinberg <zackw@panix.com>
14100 * genautomata.c (output_reserved_units_table): Emit nothing if
14101 description->query_units_num is zero. Remove extra blank line.
14102 (output_cpu_unit_reservation_p): Short circuit
14103 if description->query_units_num is zero.
14105 2006-01-22 Zack Weinberg <zackw@panix.com>
14107 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14108 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14109 nor any of the random handful of variables that used to be necessary
14110 when this program was linked with rtlanal.o. Prune set of forward
14111 function declarations.
14112 (struct attr_desc): Remove static_p field.
14113 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14114 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14115 (attr_string): Do not read the character one past the length of
14117 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14118 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14119 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14120 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14121 (make_automaton_attrs): New.
14122 (main): Do not call into genautomata. Call local gen_bypass
14123 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14124 Remove special case for insn_alts.
14125 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14126 varray.h (leftover from previous change). Prune set of forward
14127 function declarations. Remove state_alts fields from all
14128 structures. Remove state_alts_table from struct automaton.
14129 Make everything except main static. Do not maintain num_dfa_decls.
14130 Do not maintain state_alts fields of various structures.
14131 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14132 (add_arc): Remove state_alts argument. All callers updated.
14133 (output_reserved_units_table): Emit #ifdef here...
14134 (output_tables): ...not here. Don't generate state_alts tables.
14135 (expand_automata): Don't generate attributes.
14136 (write_automata): Don't generate state_alts functions.
14137 (main): New function.
14138 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14139 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14140 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14141 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14142 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14143 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14144 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14145 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14147 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14148 * genattrtab.h: Delete file.
14149 * Makefile.in (OBJS-common): Add insn-automata.o.
14150 (insn-automata.o): New rule.
14151 (simple_generated_c): Add insn-automata.c.
14152 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14153 (genprogmd): Add automata.
14154 (build/genattrtab): Needs no extra objects nor libraries.
14155 (build/genautomata): Needs build/vec.o and -lm.
14157 2006-01-22 Zack Weinberg <zackw@panix.com>
14159 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14160 (output_dfa_max_issue_rate, locked_states_num): Delete.
14161 (struct automaton): Add locked_states field.
14162 (output_dead_lock_vect): Save number of locked states in
14163 automaton->locked_states. If it is zero, don't print anything.
14164 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14165 (output_internal_dead_lock_func): Only test the dead_lock_vect
14166 for automata that have locked states.
14167 (output_statistics): Always print the number of locked states for
14168 each automaton. Calculate total number of locked states here.
14169 (write_automata): Don't call output_dfa_max_issue_rate.
14170 * genattrtab.c: Define length_unit_log as a const variable.
14171 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14172 max_insn_queue_index const.
14173 * final.c (length_unit_log): Declare const.
14174 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14176 2006-01-22 Zack Weinberg <zackw@panix.com>
14178 * genautomata.c: Include vec.h, not varray.h.
14179 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14180 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14181 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14182 VEC_* macros operating on appropriately typed vectors, or to
14183 malloced arrays when the size is known in advance. Const-ify
14184 many char* variables and function arguments. No functional changes.
14185 * Makefile.in (build/varray.o): Delete rule.
14186 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14187 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14189 2006-01-22 Zack Weinberg <zackw@panix.com>
14191 * gensupport.c: Define get_insn_name and record_insn_name here.
14192 (read_md_rtx): Call record_insn_name as appropriate.
14193 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14194 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14195 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14197 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14198 (BUILD_VARRAY): Delete.
14199 (genprognormal): Rename genprogmd. Fold in all programs from
14200 genprognoprint; also attrtab.
14201 (build/genattrtab): Just mention genautomata.o and varray.o.
14202 Reorganize a bit, add comments to make the categories clearer.
14204 2006-01-22 Zack Weinberg <zackw@panix.com>
14206 * genconditions.c (condition_table, add_condition): Delete.
14207 (write_conditions): Don't emit n_insn_conditions nor
14208 insn_elision_unavailable. Issue the gcc version #ifdef here,
14209 inside the table, with no #else clause ...
14210 (write_header): ...not here.
14211 (write_writer): New function.
14212 (main): Don't initialize condition_table. Use add_c_test.
14214 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14215 files on the command line.
14216 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14217 Return -1 if there is no entry in the table, don't abort.
14218 (add_c_test, traverse_c_tests): New functions.
14219 * gensupport.h (insn_elision_unavailable, insn_conditions)
14220 (n_insn_conditions): Delete declarations.
14221 (add_c_test, traverse_c_tests): Declare.
14222 * read-rtl.c: Include gensupport.h.
14223 (read_conditions): New function.
14224 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14225 (read_rtx_1): If we get EOF when we were looking for an initial
14226 open paren, return 0. Call read_conditions when appropriate.
14227 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14228 dummy-conditions.o. Eliminate references to insn-conditions.o,
14229 or change them to build/gencondmd.o, as appropriate. Remove
14230 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14231 from $(simple_generated_c). For all files remaining in those
14232 two lists, add insn-conditions.md to the generator command line.
14233 Give insn-constants.h/s-constants their own rules. Add rules
14234 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14235 (build/read-rtl.o): Depend on gensupport.h.
14236 (genprognormal): Include preds.
14237 (genprogearly): Rename genprognoprint; only difference is now that
14238 they don't link with $(BUILD_PRINT).
14239 * dummy-conditions.c: Delete.
14241 2006-01-22 Zack Weinberg <zackw@panix.com>
14243 * genextract.c: Don't include insn-config.h. Do include vec.h.
14244 Declare vectors of int, char, and locstr.
14245 (locstr): New typedef.
14246 (struct extraction): Make all array fields into bare pointers.
14247 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14248 (insn_code_number): Delete.
14249 (accum_extract): New struct.
14250 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14251 (gen_insn): Take insn_code_number as an argument. Use an
14252 accum_extract structure instead of loading data directly into
14253 a struct extraction, and having to know how big it might get.
14254 (walk_rtx): Operate entirely on an accum_extract structure.
14255 (print_path): Avoid unnecessary use of printf.
14256 (print_header): New function, split out of main. Distinguish
14257 more carefully between an unrecognizable insn and an insn that
14258 has the code number of a define_expand.
14259 (main): Pass insn_code_number to gen_insn. Call print_header
14260 only after parsing. Avoid unnecessary use of printf.
14261 * Makefile.in (build/vec.o): New rule.
14262 (build/genextract): Depend on build/vec.o.
14263 (build/genextract.o): Don't depend on insn-config.h.
14265 2006-01-22 Zack Weinberg <zackw@panix.com>
14267 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14268 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14269 practical. Eliminate per-generator-program link rules.
14271 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14273 PR middle-end/24437
14274 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14275 with a call expr to ...
14276 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14278 2006-01-23 Richard Guenther <rguenther@suse.de>
14280 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14281 before make_edge with conditional EDGE_TRUE_VALUE.
14283 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14284 Jan Hubicka <jh@suse.cz>
14285 Richard Guenther <rguenther@suse.de>
14287 PR rtl-optimization/25654
14288 * cfgexpand.c (aggregate_contains_union_type): New function.
14289 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14290 for structure variables that contain a union type.
14292 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14294 * gengtype.c (new_structure): Return the structure.
14295 (create_option): Add an extra "next" argument.
14296 (create_field): New function.
14297 (adjust_field_rtx_def): Use create_option and create_field.
14298 Remove a now-unnecessary call to find_structure.
14299 (adjust_field_tree_def): Likewise.
14300 (note_yacc_type): Remove an unnecessary call to find_structure.
14301 * gengtype.h (new_structure): Return the structure.
14302 (create_option): Add an extra argument.
14303 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14304 (option): Adjust calls to create_option.
14306 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14308 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14310 2006-01-22 Paul Brook <paul@codesourcery.com>
14311 Peter Barada <peter@the-baradas.com>
14313 * config/m68k/m68k.md: Add Coldfire FPU support.
14314 Define FP mode macro and associated attributes.
14315 Use it for float mode patterns.
14316 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14317 (LIBCALL_VALUE): Use m68k_libcall_value.
14318 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14319 (m68k_function_value): Ditto.
14320 (emit_move_sequence): Ditto.
14321 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14322 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14323 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14324 (MULTILIB_EXCEPTIONS): Ditto.
14325 * config/m68k/m68k.opt: Add mcfv4e.
14326 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14327 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14328 (m68k_output_function_prologue): Save ColdFire FPU registers.
14329 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14330 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14331 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14332 ColdFire FPU registers.
14333 (m68k_libcall_value, m68k_function_value): New functions.
14334 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14335 (LIBCALL_VALUE): Use m68k_libcall_value.
14336 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14337 (MASK_COLDFIRE): Add MASK_CFV4E.
14338 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14339 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14340 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14341 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14342 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14343 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14344 * doc/invoke.tex: Document -mcfv4e on m68k.
14346 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14348 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14351 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14354 * c-opts.c (c_common_handle_option): Don't include
14355 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14356 * doc/invoke.texi (C++ Dialect Options): Document that
14357 -Wnon-virtual-dtor is no longer included in -Wall.
14359 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14361 * gcov.c (print_version), gcov-dump.c (print_version),
14362 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14365 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14367 * df-scan.c (problem_SCAN): Added NULL reset function.
14368 (df_scan_reset_blocks): Added code to call reset block function
14369 (df_bb_refs_delete) Fixed comment.
14370 (df_insn_refs_delete): Made tolerant of deleting non existent info
14371 for dataflow problems that need to be reset.
14372 * df-core.c (df_set_blocks): Ditto.
14373 * df.h (struct df_problem): Added reset_fun.
14374 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14375 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14376 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14377 functions to clear out all references to def-use or use-def chains.
14379 2006-01-21 Ben Elliston <bje@au.ibm.com>
14381 * varasm.c (assemble_real): Initialise data array.
14383 2006-01-20 Paul Brook <paul@codesourcery.com>
14385 Merge from csl-arm-branch.
14386 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14387 * config/arm/arm.md (movdi): Force operands[1] to a register
14388 if we have a non-register source.
14389 (*arm_movdi, *movdf_soft_insn): Require that one of the
14390 operands be a register.
14391 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14392 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14394 2006-01-20 DJ Delorie <dj@redhat.com>
14396 * varasm.c (initializer_constant_valid_p): Allow pointers
14397 initialized from integer constants of lesser precision.
14398 (output_constant): Allow non-int-sized pointer modes to be
14399 initialized from integer constants.
14401 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14404 * cppdefault.h (struct default_include): Add multilib flag.
14405 * cppdefault.c (cpp_include_defaults): Set it.
14406 * c.opt (-imultilib): New option.
14407 * c-opts.c (imultilib): New.
14408 (c_common_handle_option): Handle -imultilib.
14409 (c_common_post_options): Likewise.
14410 * c-incpath.c (add_standard_paths, register_include_chains):
14412 * c-incpath.h (register_include_chains): Add extra parameter.
14413 * gcc.c (do_spec_1): Generate -imultilib option.
14414 (The Specs Language): Update %I description.
14415 (process_command): Update copyright notice.
14416 * doc/cppopts.texi (-imultilib): Document.
14417 * doc/invoke.texi (-imultilib): Include in option summary.
14418 (%I): Update specs documentation.
14420 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14422 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14424 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14426 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14429 2006-01-20 Richard Guenther <rguenther@suse.de>
14430 Steven Bosscher <stevenb.gcc@gmail.com>
14432 PR rtl-optimization/24626
14433 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14434 EDGE_TRUE_VALUE if in RTL mode.
14437 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14438 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14440 2006-01-20 Dirk Mueller <dmueller@suse.com>
14443 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14444 instead of a special NOP marker.
14445 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14446 NOP marker handling.
14447 * c-common.h (empty_body_warning): Add forward declaration.
14448 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14449 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14451 2006-01-20 Paul Brook <paul@codesourcery.com>
14453 * Makefile.in (lang_checks): Keep going if mkdir fails.
14455 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14457 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14458 be able to clean out basic block when not necessary.
14459 (df_scan_free): Fixed to properly delete information if df is
14460 unused before calling df_finish.
14461 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14462 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14464 (df_bb_refs_delete): New function.
14465 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14466 * df-core.c (df_set_blocks): Added code to properly clean out
14467 unused blocks if they are not part of the blocks to consider.
14468 Added additional null check.
14469 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14470 be able to clean out basic block when not necessary
14471 * df.h (df_free_bb_function): Ditto.
14472 (df_bb_refs_delete): New function.
14473 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14474 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14475 basic block parameter to be able to clean out basic block when not
14477 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14478 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14479 Fixed to properly delete information if df is unused before
14482 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14484 PR rtl-optimization/25799
14485 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14486 Corrected confluence operator to remove bits from op2 before oring
14487 with op1 rather than removing bits from op1.
14488 (df_ru_transfer_function): Corrected test on wrong bitmap which
14489 caused infinite loop. Both of these problems were introduced in
14490 the dataflow rewrite.
14492 2006-01-19 DJ Delorie <dj@redhat.com>
14494 * reload1.c (find_reload_regs): Note the details of reload
14495 failures in the dump file.
14496 (spill_failure): Likewise.
14498 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14500 * loop-iv.c: Include df.h and hashtab.h.
14501 (enum iv_grd_result): New enum.
14502 (DF_REF_IV, DF_REF_IV_SET): New macros.
14503 (struct biv_entry): New.
14504 (df, bivs): New global variables.
14505 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14506 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14508 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14509 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14510 analyzed_for_bivness_p, record_biv): New functions.
14511 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14512 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14513 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14515 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14517 (iv_number_of_iterations): Use new interface to iv analysis.
14518 * loop-unroll.c: Do not include varray.h.
14519 (analyze_iv_to_split_insn): Use new interface to iv
14521 * loop-unswitch.c (may_unswitch_on): Ditto.
14522 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14524 (df_bb_modify): Realloc tables to the new index.
14525 (df_find_use): New function.
14526 * df.h (df_find_use): Declare.
14527 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14529 * cfgloop.h (struct rtx_iv): Remove analysed field.
14530 (iv_get_reaching_def): Removed.
14531 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14532 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14533 (loop-iv.o): Add df.h and hashtab.h dependency.
14534 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14536 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14539 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14541 (__floatundisf, __floatundidf): Likewise.
14542 * libgcc2.h (IS_IBM_EXTENDED): Define.
14544 2006-01-19 DJ Delorie <dj@redhat.com>
14546 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14548 2006-01-19 Paul Brook <paul@codesourcery.com>
14550 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14551 as nothrow when unwinding tables are disabled.
14553 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14556 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14557 of bit-field" when in system header.
14559 2006-01-19 DJ Delorie <dj@redhat.com>
14561 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14562 the 16 bit shift limit of the m16c.
14564 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14567 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14568 * config/i386/i386.c (output_set_got): Output the label if we have one
14569 for the TARGET_DEEP_BRANCH_PREDICTION case.
14571 2006-01-19 Jan Hubicka <jh@suse.cz>
14572 H.J. Lu <hongjiu.lu@intel.com>
14573 Evandro Menezes <evandro.menezes@amd.com>
14575 * invoke.texi (generic): Document
14577 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14578 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14579 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14580 (x86_use_incdec, x86_pad_returns): New variables
14581 (TARGET_CPU_DEFAULT_generic): New constant
14582 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14583 (enum processor_type): Add generic32 and generic64.
14584 * i386.md (cpu attribute): Add generic32/generic64
14585 (movhi splitter): Behave sanely when both partial_reg_dependency and
14586 partial_reg_stall are set.
14587 (K8 splitters): Enable for generic as well.
14588 * predicates.md (incdec_operand): Use TARGET_INCDEC
14589 (aligned_operand): Avoid memory mismatch stalls.
14590 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14591 * ppro.md: Enable for generic32
14592 * i386.c (generic64_cost, generic32_cost): New.
14593 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14594 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14595 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14596 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14597 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14598 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14599 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14600 x86_accumulate_outgoing_args, x86_prologue_using_move,
14601 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14602 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14603 Enable for generic.
14604 (x86_use_incdec, x86_pad_returns): New.
14605 (override_options): Add generic32 and generic64, translate "generic"
14606 to generic32/generic64 and "i686" to "generic32", refuse
14607 "generic32"/"generic64" as arch target.
14608 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14609 (ix86_reorg): Honor PAD_RETURNS.
14611 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14613 * tree-pretty-print.c (dump_generic_node): Handle
14614 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14615 * cgraph.c (cgraph_expand_queue): Rename from
14616 cgraph_analyze_queue. Update all users.
14617 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14618 cgraph_expand_queue.
14619 (cgraph_expand_all_functions): Likewise.
14620 (cgraph_finalize_pending_functions): Remove. Update callers.
14622 * tree.h (OMP_DIRECTIVE_P): Define.
14623 (OMP_PARALLEL_FN): Define.
14624 (OMP_PARALLEL_DATA_ARG): Define.
14625 (OMP_SECTIONS_SECTIONS): Define.
14626 * tree-pass.h (pass_expand_omp): Declare.
14627 * omp-low.c (struct omp_region): Declare.
14628 (struct omp_context): Remove fields 'parallel_type',
14629 'parallel_start_ix' and 'parallel_start_additional_args'.
14631 (struct omp_for_data): Rename from struct expand_omp_for_data.
14632 (omp_regions): New static variable.
14633 (root_omp_region): New static variable.
14634 (find_omp_clause): Make static.
14635 (is_in_combined_parallel_ctx): Remove.
14636 (is_combined_parallel): New.
14637 (extract_omp_for_data): Move earlier in the file.
14638 (workshare_safe_to_combine_p): New.
14639 (get_ws_args_for): New.
14640 (determine_parallel_type): Move earlier in the file.
14641 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14643 (omp_copy_decl): Likewise.
14644 (create_omp_child_function): Likewise.
14645 (lookup_omp_region): New.
14646 (dump_omp_region): New.
14647 (debug_omp_region): New.
14648 (debug_all_omp_regions): New.
14649 (new_omp_region): New.
14650 (scan_omp_parallel): If parallel_nesting_level > 1, the
14651 directive is nested within another parallel directive.
14652 Set OMP_PARALLEL_FN.
14653 (scan_omp_for): Do not try to handle combined parallel+for
14655 Remove FIXME comment.
14656 (scan_omp_nested): Remove.
14657 (scan_omp_1): Do not call scan_omp_nested when
14658 parallel_nesting_level is > 1.
14659 Do not change the DECL_CONTEXT of local variables found.
14660 (lookup_decl_in_outer_ctx): New.
14661 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14662 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14663 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14664 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14665 If CTX is nested, lookup VAR in the outer context when
14666 building copy assignment.
14667 (lower_send_clauses): Rename from expand_send_clauses.
14668 If CTX is nested, lookup VAR in the outer context when
14669 building copy assignments.
14670 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14671 If CTX is nested, lookup VAR in the outer context when
14672 building copy assignments.
14673 (expand_parallel_call): Rename from build_parallel_call.
14674 Handle combined parallel+workshare cases.
14675 Re-implement to emit code into the CFG.
14677 (expand_omp_parallel): Re-implement to emit code into the CFG.
14678 Call move_sese_region_to_fn to outline the sub-graph
14679 containing the parallel region.
14680 (expand_omp_for_1): Remove.
14681 (expand_omp_for_generic): Re-implement to emit code into the
14683 (expand_omp_for_static_nochunk): Likewise.
14684 (expand_omp_for_static_chunk): Likewise.
14685 (expand_omp_for): Likewise.
14686 (expand_omp_sections): Likewise.
14687 (remove_exit_barriers): New.
14688 (expand_omp_synch): New.
14690 (build_omp_regions_1): New.
14691 (build_omp_regions): New.
14692 (execute_expand_omp): New.
14693 (gate_expand_omp): New.
14694 (pass_expand_omp): Define.
14695 (lower_omp_sections): Rename from expand_omp_sections.
14696 Set OMP_SECTIONS_SECTIONS.
14697 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14698 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14699 (lower_omp_single): Rename from expand_omp_simple.
14700 (lower_omp_master): Rename from expand_omp_master.
14701 (lower_omp_ordered): Rename from expand_omp_ordered.
14702 (lower_omp_critical): Rename from expand_omp_critical.
14703 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14704 (lower_omp_for): Re-implement.
14705 (lower_omp_parallel): Re-implement.
14706 (lower_regimplify): Rename from expand_regimplify.
14707 (lower_omp_1): Rename from expand_omp_1.
14708 If there are syntax errors in the program, replace every
14709 OpenMP directive with NOP.
14710 Call lower_omp_* instead of expand_omp_*.
14711 (lower_omp): Rename from expand_omp.
14713 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14714 * tree-gimple.h (enum omp_parallel_type): Remove.
14715 (gimple_boolify): Declare extern.
14716 (find_omp_clause, determine_parallel_type): Remove.
14718 * gimple-low.c (lower_omp_directive): New.
14719 (lower_stmt): Call it.
14720 (record_vars_into): Move from ...
14721 (record_vars): ... here.
14722 Call record_vars_into with current_function_decl.
14724 * gimplify.c (struct gimplify_ctx): Remove fields
14725 combined_pre_p and combined_ctxp. Update users.
14726 (get_formal_tmp_var): Add documentation.
14727 (gimple_boolify): Make extern.
14728 (gimplify_expr_in_ctx): Remove. Update callers.
14729 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14730 will always be a BIND_EXPR.
14731 (gimplify_expr): Handle OMP_RETURN_EXPR.
14732 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14733 (OMP_PARALLEL): Add 3 operands.
14734 (OMP_SECTIONS): Add 1 operand.
14735 (OMP_RETURN_EXPR): Define.
14737 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14738 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14739 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14740 creating a circular free list.
14741 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14743 * tree-flow.h (move_sese_region_to_fn): Declare.
14744 (record_vars_into): Declare.
14745 * tree-cfg.c (make_omp_sections_edges): New.
14746 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14747 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14748 OMP_SECTIONS and OMP_SECTION.
14749 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14750 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14751 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14752 (gather_blocks_in_sese_region): New.
14753 (struct move_stmt_d): Declare.
14754 (move_stmt_r): New.
14755 (move_block_to_fn): New.
14756 (move_sese_region_to_fn): New.
14758 * passes.c (init_optimization_passes): Schedule
14759 pass_expand_omp after pass_init_datastructures.
14761 * tree-ssa-operands.c (get_expr_operands): Handle
14762 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14763 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14765 2006-01-19 Jeff Law <law@redhat.com>
14767 * tree-vrp.c (extract_range_from_assert): Refine the result range
14768 if the variable referenced by the ASSERT_EXPR has a range and
14769 either the tentative result range or the previous range is a
14772 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14774 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14776 2006-01-19 Jan Hubicka <jh@suse.cz>
14778 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14780 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14782 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14783 (expand_compound_operation, expand_field_assignment): Fail if the
14784 bit lengths of an extract operation are out of range.
14785 (make_extraction): Compute wanted_inner_mode based on the position
14786 and length of the extraction. Make it extraction_mode for non-constant
14787 positions, and do not modify offset in that case. When generating a
14788 new MEM, use a mode that can hold the extraction while keeping correct
14789 alignment. Remove code that supported MEMs wrapped by USEs.
14790 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14792 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14794 * config/s390/s390.md ("Y", "y"): New mode attribute.
14795 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14796 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14797 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14798 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14799 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14800 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14801 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14802 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14803 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14804 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14805 "addsi3", "subsi3"): Insn patterns removed.
14806 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14807 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14808 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14809 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14810 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14811 "*sub<mode>3_cconly2"): New insn patterns.
14812 ("addsi3", "subsi3"): New expanders.
14814 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14816 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14817 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14818 existing STMT_VINFO_VECTYPE if available.
14819 (vect_mark_relevant): Add special handling for stmts that are
14820 marked as STMT_VINFO_IN_PATTERN_P.
14821 (vect_analyze_loop): Call vect_pattern_recog.
14822 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14823 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14825 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14826 (vect_recog_func_ptr): New function-pointer type.
14827 * tree-vect-patterns.c: New file.
14828 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14829 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14830 (vect_pattern_recog_1): New functions.
14831 (vect_pattern_recog_funcs): New array of function pointers.
14833 * tree-vectorizer.h (ternary_op): New enum value.
14834 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14835 declaration. Revised documentation. Removed redundant dump prints.
14836 Removed redundant argument. Added support for reduction patterns.
14837 (vectorizable_reduction): Added support for reduction patterns.
14838 (vect_transform_stmt): Added support for patterns.
14840 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14841 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14842 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14843 (expand_widen_pattern_expr): New function.
14844 (init_optabs): Initialize new optabs udot_prod_optab,
14846 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14847 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14848 (expand_widen_pattern_expr): New function declaration.
14849 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14851 * tree-inline.c (estimate_num_insns_1): Added cases for new
14852 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14853 * tree-pretty-print.c (dump_generic_node): Likewise.
14854 (op_prio): Likewise.
14855 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14856 * tree-ssa-operands.c (get_expr_operands): Added case for
14858 * tree-vect-patterns.c (widened_name_p): New function.
14859 (vect_recog_dot_prod_pattern): Added function implementation.
14860 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14861 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14862 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14863 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14865 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14866 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14867 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14868 (init_optabs): Initialize new optabs widen_ssum_optab,
14870 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14871 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14872 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14873 use instead of type of def.
14874 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14875 function implementation.
14876 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14877 widen_ssumv8hi): New.
14879 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14882 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14885 * c-decl.c (add_flexible_array_elts_to_size): New function.
14886 (finish_decl): Use it.
14888 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14890 * diagnostic.h: Include options.h.
14891 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14892 dependancies for diagnostic.h.
14893 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14895 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14897 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14898 (ssa_ro_call_cache_valid): Ditto.
14899 * tree-ssa-alias.c (sort_tags_by_id): New function.
14900 (init_transitive_clobber_worklist): Ditto.
14901 (add_to_worklist): Ditto.
14902 (mark_aliases_call_clobbered): Ditto.
14903 (compute_tag_properties): Ditto.
14904 (set_initial_properties): Ditto.
14905 (compute_call_clobbered): Ditto.
14906 (compute_may_aliases): Call compute_call_clobbered and grouping.
14907 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14908 (compute_flow_insensitive_aliasing): Grouping now happens in our
14910 (setup_pointers_and_addressables): Remove clobbering related code.
14911 (add_may_alias): Ditto.
14912 (replace_may_alias): Ditto.
14913 (get_nmt_for): Ditto.
14914 (create_global_var):
14915 (is_escape_site): Return an escape_type enumeration.
14916 * tree-flow-inline.h (is_call_clobbered): Global var does not
14917 imply call clobbered.
14918 (mark_call_clobbered): Take a reason for marking this. Remove
14919 marking of globalness, and cache invalidation.
14920 (clear_call_clobbered): Remove cache invalidation code.
14921 * tree-dfa.c (dump_variable): If details is on, dump the reason
14923 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14925 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14926 (struct var_ann_d): Ditto.
14927 (enum escape_type): New.
14928 (mark_call_clobbered): Adjust prototype.
14929 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14930 are never call clobbered.
14931 Record reasons for escaping.
14932 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14933 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14934 (ssa_ro_call_cache_valid): Ditto.
14935 (clobbered_v_may_defs): Ditto.
14936 (clobbered_vuses): Ditto.
14937 (ro_call_vuses): Ditto.
14938 (clobber_stats): New.
14939 (init_ssa_operands): Zero out clobber stats.
14940 (fini_ssa_operands): Print out clobber stats.
14941 (get_call_expr_operands): Pass callee fndecl to
14942 add_call_read_ops).
14943 (add_call_clobber_ops): Remove use of cache.
14944 Add use of PURE_CONST information.
14945 (add_call_read_ops): Remove use of cache.
14946 Add use of static not_read information.
14948 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14950 Introduce TLS descriptors for i386 and x86_64.
14951 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14952 (TARGET_ANY_GNU_TLS): New macro.
14953 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14954 (struct machine_function): Add tls_descriptor_call_expanded_p.
14955 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14956 (ix86_current_function_calls_tls_descriptor): Likewise.
14957 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14958 (override_options): Introduce gnu2 tls dialect.
14959 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14961 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14963 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14964 (ix86_init_machine_status): Initialize new field.
14965 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14966 (ix86_tls_module_base): New.
14967 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14968 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14969 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14970 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14971 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14972 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14973 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14974 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14975 * config/i386/predicates.md (tls_modbase_operand): New.
14976 (tp_or_register_operand): New.
14978 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14980 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14981 (look_for_address_of): Ditto.
14982 (ipa_init): Walk the function decls.
14983 (static_execute): Don't set readonly on FUNCTION_DECL's.
14985 2006-01-18 Roger Sayle <roger@eyesopen.com>
14987 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14988 for shifts where the source and destination registers are different.
14990 2006-01-18 Paul Brook <paul@codesourcery.com>
14992 Merge from csl-arm-branch.
14993 2005-03-14 Julian Brown <julian@codesourcery.com>
14994 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14995 (aeabi_llsl): Likewise.
14996 (ashrdi3): Likewise.
14997 (aeabi_lasr): Likewise.
14998 (lshrdi3): Likewise.
14999 (aeabi_llsr): Likewise.
15000 2005-03-10 Julian Brown <julian@codesourcery.com>
15001 * config.gcc: Disable shared libgcc for SymbianOS.
15002 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15004 2006-01-18 DJ Delorie <dj@redhat.com>
15006 * c-pragma.c (handle_pragma_diagnostic): New.
15007 (init_pragma): Register it.
15008 * doc/extend.texi: Document it.
15010 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15011 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15012 (diagnostic_context): Add classify_diagnostic[].
15013 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15014 as errors if they're overridden to DK_WARNING.
15015 (diagnostic_initialize): Initialize classify_diagnostic[].
15016 (diagnostic_set_kind_override): New.
15017 (diagnostic_report_diagnostic): Check for kind changes.
15018 * opts.c (common_handle_option): Take lang_mask. Update callers.
15019 Handle OPT_Werror_.
15020 * common.opt (Werror=): New.
15021 * doc/invoke.texi: Document -Werror=*
15023 2006-01-18 Jeff Law <law@redhat.com>
15025 * tree-vrp.c (test_for_singularity): Correct test for new
15026 min limit. Use operand_equal_p rather than pointer equality
15027 for testing if new min/max values are equal.
15029 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15030 using range information until after propagation and folding.
15032 2006-01-18 Richard Henderson <rth@redhat.com>
15033 Aldy Hernandez <aldyh@redhat.com>
15034 Jakub Jelinek <jakub@redhat.com>
15035 Diego Novillo <dnovillo@redhat.com>
15037 * omp-low.c: New file.
15038 * c-omp.c: New file.
15040 2006-01-18 Richard Henderson <rth@redhat.com>
15041 Jakub Jelinek <jakub@redhat.com>
15042 Diego Novillo <dnovillo@redhat.com>
15044 * doc/invoke.texi: Document -fopenmp.
15045 * tree-dump.h (debug_function): Declare.
15046 * hooks.c (hook_bool_tree_bool_false): New function.
15047 (hook_tree_tree_null): Remove.
15048 (hook_tree_tree_tree_null): New.
15049 * hooks.h: Update to match.
15050 * tree-pretty-print.c (debug_tree_chain): New.
15051 (print_generic_expr): Handle TDF_CHAIN.
15052 (dump_generic_node): Handle BLOCK.
15053 Do not abort with incomplete SWITCH_EXPRs.
15054 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15055 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15056 print space after directive name.
15057 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15058 Handle OMP_MASTER and OMP_ORDERED.
15059 Handle printing of OMP_BODY just in one place, goto
15060 dump_omp_body in the rest of OMP_* nodes that have
15062 Don't handle clause nodes here. Update omp statements to
15063 use dump_omp_clauses.
15064 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15065 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15066 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15067 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15068 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15069 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15070 Adjust output for GOMP_PARALLEL.
15071 (dump_omp_clauses): New.
15072 (print_declaration): Dump DECL_VALUE_EXPR.
15073 (op_symbol_1): Split out of op_symbol.
15074 (dumping_stmts): Remove. Update all users.
15075 * cgraph.c (cgraph_analyze_queue): New.
15076 (cgraph_add_new_function): New.
15077 * cgraph.h (cgraph_analyze_queue): Declare.
15078 (cgraph_add_new_function): Declare.
15079 (cgraph_lower_function): Remove.
15080 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15081 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15082 and TYPE_P nodes in its default clause.
15083 (empty_body_p): New.
15084 (tree_range_check_failed): New.
15085 (build5_stat): New.
15086 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15087 OMP_CLAUSE_REDUCTION_MERGE,
15088 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15089 OMP_CLAUSE_PRIVATE_DEBUG,
15090 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15091 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15092 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15093 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15094 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15095 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15096 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15097 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15098 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15099 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15100 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15101 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15102 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15103 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15104 (TREE_RANGE_CHECK): New.
15105 (empty_body_p): Declare.
15106 (enum omp_clause_default_kind): New.
15107 (build_string_literal): Declare.
15108 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15109 (build5_stat, build5): Declare.
15110 * tree-pass.h (TDF_CHAIN): Define.
15111 * tree-pass.h (PROP_gimple_lomp): Define.
15112 (pass_lower_omp): Declare.
15113 * diagnostic.h (debug_tree_chain): Declare.
15114 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15116 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15117 * builtins.c (build_string_literal): Make extern.
15118 * gcc.c (include_spec_function): New.
15119 (static_spec_functions): Add it.
15120 (main): Move load of libgomp.spec ...
15121 (LINK_COMMAND_SPEC): ... here.
15122 (link_gomp_spec): New.
15123 (static_specs): Include it.
15124 (LINK_COMMAND_SPEC): Add link_gomp.
15125 (GOMP_SELF_SPECS): New.
15126 (driver_self_specs): Include it.
15127 (switch_matches): Don't mark inline.
15128 (main): Load libgomp.spec.
15129 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15130 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15131 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15132 * tree-gimple.h (enum omp_parallel): Declare.
15133 (determine_parallel_type): Declare.
15134 (omp_firstprivatize_variable): Declare.
15135 (omp_reduction_init): Declare.
15136 (diagnose_omp_structured_block_errors): Declare.
15137 (struct walk_stmt_info): Add want_return_expr.
15138 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15139 (find_omp_clause): Declare.
15140 (insert_field_into_struct): Declare.
15141 (struct walk_stmt_info): Move from tree-nested.c
15142 (walk_stmts): Declare.
15143 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15145 * cgraphunit.c (cgraph_lower_function): Make static.
15146 (cgraph_finalize_pending_functions): New.
15147 (cgraph_finalize_function): Call it.
15148 (cgraph_finalize_compilation_unit): Likewise.
15149 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15150 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15151 (BT_FN_UINT_UINT): New.
15152 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15153 DEF_FUNCTION_TYPE_VAR_4): Document.
15154 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15155 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15156 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15157 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15158 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15159 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15160 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15161 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15162 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15163 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15164 into separate files.
15165 (DEF_GOMP_BUILTIN): New.
15166 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15167 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15168 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15169 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15170 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15171 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15172 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15173 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15174 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15175 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15176 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15177 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15178 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15179 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15180 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15181 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15182 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15183 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15184 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15185 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15186 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15187 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15188 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15189 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15190 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15191 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15192 * sync-builtins.def: New file, moved from builtins.def.
15193 * omp-builtins.def: New file, moved from builtins.def.
15194 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15195 * gimple-low.c (lower_function_body): Clear data.
15196 (lower_stmt): Do not handle COMPOUND_EXPR.
15197 Remove call to print_node_brief.
15198 * c-tree.h (c_finish_omp_clauses): New prototype.
15199 (C_DECL_THREADPRIVATE_P): Define.
15200 (lookup_name_no_remap, c_omp_remap_private): Remove
15201 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15202 (check_for_loop_decls): Update decl.
15203 (lookup_name_no_remap, c_omp_remap_private): Declare.
15204 (build_indirect_ref, build_modify_expr, pushdecl,
15205 pushdecl_top_level): Move to c-common.h.
15206 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15207 before the switch, but just in the 2 places that need it.
15208 * c-decl.c (diagnose_mismatched_decls): Do not check for
15209 mismatched thread-local attributes when OLDDECL is marked
15210 threadprivate and NEWDECL has no thread-local attributes.
15211 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15212 (c_gimple_diagnostics_recursively): Rename from
15213 c_warn_unused_result_recursively. Invoke
15214 diagnose_omp_structured_block_errors.
15215 (check_for_loop_decls): Return a singular decl found.
15216 * langhooks.c (lhd_omp_predetermined_sharing): Return
15217 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15218 (lhd_omp_firstprivatize_type_sizes): New.
15219 (lhd_omp_assignment): New.
15220 (lhd_omp_predetermined_sharing): New.
15221 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15222 (struct lang_hooks_for_types): Add
15223 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15224 omp_predetermined_sharing, omp_disregard_value_expr,
15225 omp_private_debug_clause, omp_clause_default_ctor,
15226 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15227 (c_finish_omp_clauses): New.
15228 (c_finish_bc_stmt): Diagnose break within omp for.
15229 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15230 (build_unary_op): Return error_mark after reporting
15232 (build_modify_expr): Likewise.
15233 * gimplify.c: Include optabs.h and pointer-set.h.
15234 (enum gimplify_omp_var_data): Declare.
15235 (struct gimplify_omp_ctx): Declare.
15236 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15238 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15239 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15240 (splay_tree_compare_decl_uid): New.
15241 (new_omp_context): New.
15242 (delete_omp_context): New.
15243 (gimple_add_tmp_var): Call omp_add_variable.
15244 (gimplify_bind_expr): Likewise.
15245 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15246 true, disregard DECL_VALUE_EXPR on the decl if any.
15247 (gimplify_expr_in_ctx): New.
15248 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15249 omp_add_variable, omp_notice_variable, omp_is_private
15250 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15251 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15252 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15253 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15254 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15255 gimplify_omp_atomic): New.
15256 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15257 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15258 OMP_CRITICAL and OMP_ATOMIC.
15259 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15260 * c-pragma.h (enum pragma_kind): Add
15261 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15262 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15263 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15264 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15265 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15266 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15267 PRAGMA_OMP_THREADPRIVATE.
15268 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15269 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15270 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15271 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15272 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15273 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15274 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15275 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15276 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15277 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15278 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15279 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15280 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15282 (struct nesting_info): Add field_map,
15283 suppress_expansion, debug_var_chain.
15284 (create_nesting_tree): Initialize them.
15285 (lookup_field_for_decl): Use field_map.
15286 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15287 (convert_local_omp_clauses): New.
15288 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15289 (walk_body): Split out of walk_function.
15290 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15291 (convert_nonlocal_reference): Handle omp statements.
15292 (convert_local_reference): Likewise.
15293 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15294 (unnest_nesting_tree): New.
15295 (lower_nested_functions): Call it.
15296 (insert_field_into_struct): Make extern.
15297 (struct walk_stmt_info): Move to tree-gimple.h.
15298 (walk_stmts): Make extern.
15299 * omp-builtins.def: New file.
15300 * tree-iterator.c (expr_only): Clarify comment.
15301 * c-common.h (pushdecl_top_level, pushdecl,
15302 build_modify_expr, build_indirect_ref,
15303 c_finish_omp_master, c_finish_omp_critical,
15304 c_finish_omp_ordered, c_finish_omp_barrier,
15305 c_finish_omp_atomic, c_finish_omp_flush,
15306 c_finish_omp_for, c_split_parallel_clauses,
15307 omp_clause_default_kind, c_omp_sharing_predetermined,
15308 c_omp_remap_decl): Declare.
15309 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15310 (OBJS-common): Add omp-low.o.
15311 (c-omp.o, omp-low.o): Add.
15312 (gimplify.o): Add dependency on $(OPTABS_H).
15313 (GTFILES): Add omp-low.c.
15314 (gt-stringpool.h): Add.
15315 * tree-cfg.c (set_bb_for_stmt): Do not update the
15316 block-to-labels map if we are currently expanding to RTL.
15317 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15319 Handle IDENTIFIER_NODE.
15320 (tree_verify_flow_info): Do not ICE when emitting error
15321 messages about invalid labels.
15322 (dump_function_to_file): Reset CFUN before emitting the body
15324 (debug_function): New.
15325 * passes.c (init_optimization_passes): Schedule
15327 * langhooks-def.h (lhd_omp_predetermined_sharing,
15328 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15330 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15331 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15332 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15333 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15334 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15335 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15336 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15337 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15338 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15339 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15340 (LANG_HOOK_DECLS): Use them.
15342 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15343 Richard Henderson <rth@redhat.com>
15344 Jakub Jelinek <jakub@redhat.com>
15345 Diego Novillo <dnovillo@redhat.com>
15347 * c-parser.c (pragma_omp_clause): Define.
15348 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15349 (c_parser_compound_statement): Likewise.
15350 (c_parser_statement): Likewise.
15351 (c_parser_pragma): Handle omp pragmas.
15352 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15353 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15354 (c_parser_omp_clause_name, check_no_duplicate_clause,
15355 c_parser_omp_variable_list,
15356 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15357 c_parser_omp_clause_copyprivate,
15358 c_parser_omp_clause_default,
15359 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15360 c_parser_omp_clause_lastprivate,
15361 c_parser_omp_clause_nowait,
15362 c_parser_omp_clause_num_threads,
15363 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15364 c_parser_omp_clause_reduction,
15365 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15366 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15367 c_parser_omp_atomic, c_parser_omp_barrier,
15368 c_parser_omp_critical, c_parser_omp_flush,
15369 c_parser_omp_for_loop, c_parser_omp_for,
15370 c_parser_omp_master, c_parser_omp_ordered,
15371 c_parser_omp_sections_scope, c_parser_omp_sections,
15372 c_parser_omp_parallel, c_parser_omp_single,
15373 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15374 * c-pragma.c (init_pragma): Do omp pragma registration here.
15375 * c.opt (fopenmp): New flag.
15377 2006-01-18 Eric Christopher <echristo@apple.com>
15379 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15380 * config/darwin.h (GOMP_SELF_SPECS): Define.
15382 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15384 * rtl.h: Remove the prototype for reg_alloc.
15386 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15389 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15390 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15391 sjlj and dwarf2 exception handling.
15392 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15393 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15394 * pa/pa.c (function_value): Treat complex and vector types as
15396 (function_arg): Likewise. Only pass scalar floats in the floating
15397 point argument registers.
15398 * pa/t-slibgcc-dwarf-ver: New file.
15399 * pa/t-slibgcc-sjlj-ver: New file.
15400 * pa/t-slibgcc-elf-ver: Delete file.
15402 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15404 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15405 unlikely_test_section_p test.
15407 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15409 * mode-switching.c (optimize_mode_switching): Make it static.
15410 * basic-block.h: Remove the prototype for
15411 optimize_mode_switching.
15413 * modulo-sched.c (sms_schedule): Make it static.
15414 * rtl.h: Remove the prototype for sms_schedule.
15416 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15417 * rtl.h: Remove the prototype for gcse_after_reload_main.
15419 * reg-stack.c (reg_to_stack): Make it static.
15420 * rtl.h: Remove the prototype for reg_to_stack.
15422 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15424 * rtl.h: Remove the prototypes for regrename_optimize and
15425 copyprop_hardreg_forward.
15427 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15429 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15430 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15431 Test against the appropriate null constant for the mode.
15432 If 'fixup_overlap' is true, swap the operands if they overlap.
15433 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15434 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15435 alpha_split_tmode_pair and adjust for above change.
15436 * config/alpha/alpha.md (movtf_internal): Adjust call to
15437 alpha_split_tfmode_pair and rely on it to swap the operands.
15438 (movti_internal): New insn and post-reload splitter.
15439 (movti): New expander.
15441 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15443 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15446 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15448 * rtlanal.c (global_reg_mentioned_p_1,
15449 global_reg_mentioned_p): Remove.
15450 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15452 * flow.c (initialize_uninitialized_subregs): Make it static.
15453 * rtl.h: Remove the prototype for
15454 initialize_uninitialized_subregs.
15456 * function.c (instantiate_virtual_regs): Make it static.
15457 * function.h: Remove the prototype for
15458 instantiate_virtual_regs.
15460 * regmove.c (regmove_optimize, combine_stack_adjustments):
15462 * rtl.h: Remove the prototypes for regmove_optimize and
15463 combine_stack_adjustments.
15465 2006-01-17 Roger Sayle <roger@eyesopen.com>
15467 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15468 (size_cost): Encode costs in bytes so that a reg-reg addition is
15469 equivalent to COSTS_N_INSNS(1).
15470 (override_options): Use the size_cost.branch_cost as the default
15471 ix86_branch_cost when optimizing for size.
15473 2006-01-18 Ben Elliston <bje@au.ibm.com>
15475 * Makefile.in (D32PBIT_FUNCS): New.
15476 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15477 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15478 D64PBIT_FUNCS and D128PBIT_FUNCS.
15479 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15480 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15482 (decnumber_dep): Define.
15483 * doc/libgcc.texi (Decimal float library routines): New node.
15484 * config/dfp-bit.h, config/dfp-bit.c: New files.
15486 2006-01-18 Ben Elliston <bje@au.ibm.com>
15488 * expr.c (emit_move_change_mode): Always adjust addresses, not
15489 just during reload. Copy replacements only during reload.
15490 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15491 emit_move_via_integer.
15493 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15495 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15496 instead of $(srcdir) and ${srcdir}.
15498 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15501 PR middle-end/11135
15502 * arm.h (struct machine_function): Add pic_reg.
15503 * arm.c (arm_pic_register): Make unsigned.
15504 (arm_override_options): Only set arm_pic_register if
15505 TARGET_SINGLE_PIC_BASE.
15506 (use_return_insn): Only test for a pic register if it is fixed.
15507 (arm_compute_save_reg0_reg12_mask): Likewise.
15508 (thumb_compute_save_reg_mask): Likewise.
15509 (legitimate_pic_operand): Factor out some known invariants.
15510 (legitimize_pic_address): If we don't have a fixed pic register,
15511 then set up a pseudo in the function entry sequence. Handle the
15512 pic base being in a pseudo.
15513 (arm_load_pic_register): Handle the pic register being in a pseudo.
15514 (arm_expand_prologue): Only set up the pic register if it is fixed.
15515 (thumb_expand_prologue): Likewise.
15516 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15517 (pic_load_addr_based_insn): Likewise.
15518 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15521 2006-01-18 Ben Elliston <bje@au.ibm.com>
15523 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15524 decimal float modes for all floating point registers.
15526 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15527 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15529 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15532 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15533 even when the pointer is not NULL.
15535 2006-01-16 Ian Lance Taylor <ian@airs.com>
15537 * common.opt (ftoplevel-reorder): New option.
15538 * cgraph.c (cgraph_asm_nodes): New global variable.
15539 (cgraph_asm_last_node): New static variable.
15540 (cgraph_order): New global variable.
15541 (cgraph_create_node): Set new order field.
15542 (cgraph_varpool_node): Likewise.
15543 (decide_is_variable_needed): Return true if not
15544 flag_toplevel_reorder.
15545 (cgraph_add_asm_node): New function.
15546 * cgraph.h (struct cgraph_node): Add order field.
15547 (struct cgraph_varpool_node): Add order field.
15548 (struct cgraph_asm_node): Define.
15549 (cgraph_asm_nodes, cgraph_order): Declare.
15550 (cgraph_add_asm_node): Declare.
15551 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15553 (cgraph_varpool_assemble_pending_decls): Call it.
15554 (cgraph_output_pending_asms): New static function.
15555 (cgraph_finalize_compilation_unit): Call it.
15556 (struct cgraph_order_sort): Define.
15557 (cgraph_output_in_order): New static function.
15558 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15559 !flag_toplevel_reorder case.
15560 * c-parser.c: Include "cgraph.h".
15561 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15563 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15564 than -fno-unit-at-a-time.
15565 * doc/invoke.texi (Option Summary): Mention
15566 -fno-toplevel-reorder.
15567 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15568 -funit-at-a-time documentation.
15570 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15571 Kazu Hirata <kazu@codesourcery.com>
15573 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15575 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15577 * Makefile.in (FUNCTION_H): New. Use it instead of
15578 function.h throughout the file.
15579 * function.h: Include tree.h.
15581 2006-01-17 Ben Elliston <bje@au.ibm.com>
15583 * recog.c: Separate some functions with whitespace.
15585 2006-01-16 Richard Henderson <rth@redhat.com>
15587 Merge from gomp branch:
15588 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15589 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15590 and rename from struct inline_data. Rename callee* to dst*;
15591 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15592 transform_new_cfg, transform_return_to_modify, and
15593 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15595 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15596 (copy_decl_for_dup): Remove.
15597 * tree-inline.c (struct inline_data): Move to header.
15598 (insert_decl_map): Export.
15599 (remap_decl): Update for member name changes. Use copy_decl hook.
15600 Allow for replacement to be a non-decl. Remove dead code.
15601 (remap_type_1): Check for existing mapping.
15602 (remap_type): Export.
15603 (remap_decls): Update for member name changes.
15604 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15605 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15606 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15607 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15608 (tree_function_versioning, build_duplicate_type): Likewise.
15609 (copy_body_r): Likewise. Export.
15610 (copy_decl_for_dup): Split into ...
15611 (copy_decl_for_dup_finish, copy_decl_to_var,
15612 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15613 (replace_ref_tree, inlining_p): Remove.
15615 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15617 * ifcvt.c (if_convert): Make it static.
15618 * rtl.h: Remove the prototype for if_convert.
15620 * local-alloc.c (local_alloc): Make it static.
15621 * rtl.h: Remove the prototype for local_alloc.
15623 * loop.c (loop_optimize): Make it static.
15624 * cfgloop.h: Remove the prototype for loop_optimize.
15627 2006-01-16 DJ Delorie <dj@redhat.com>
15629 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15632 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15634 * pa.md: Disparage copies between general and floating-point registers
15635 in 32-bit move patterns.
15637 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15640 * Makefile.in (check-%): Depend on site.exp instead of
15641 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15644 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15646 * global.c (global_alloc): Make it static.
15647 * rtl.h: Remove the prototype for global_alloc.
15649 2006-01-16 Richard Guenther <rguenther@suse.de>
15651 * tree-ssa-alias.c (struct used_part): Add write_only field.
15652 (get_or_create_used_part_for): Initialize it to true.
15653 (create_overlap_variables_for): Don't create structure variables
15654 for structures that only are written to.
15655 (find_used_portions): Handle MODIFY_EXPR to track whether a
15656 structure is only written to.
15658 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15660 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15662 * basic-block.h: Remove the prototype for
15663 partition_hot_cold_basic_blocks.
15665 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15667 * cppspec.c (lang_specific_spec_functions): Remove.
15668 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15669 * gcc.h (lang_specific_spec_functions): Remove.
15670 * gccspec.c (lang_specific_spec_functions): Remove.
15672 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15674 * combine.c (record_value_for_reg): Invalidate registers
15676 (record_dead_and_set_regs_1): Likewise, by passing them to
15677 record_value_for_reg.
15678 (record_dead_and_set_regs): Invalidate stores made by a
15679 call. We do not combine across a call, but we still
15680 relied on equivalences.
15682 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15684 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15685 vrp_int_const_binop returning non-constant nodes.
15687 2006-01-16 Paul Brook <paul@codesourcery.com>
15689 * config/m68k/m68k.c (output_move_const_into_data_reg):
15690 Output correct mnemonic for mvz and mvs.
15692 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15694 * rtl-factoring.c: Add sequence abstraction algorithm.
15695 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15696 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15698 (block_has_preserve_label): New function.
15699 * common.opt: Register new pass.
15700 * Makefile.in: Ditto.
15702 * timevar.def: Ditto.
15703 * tree-pass.h: Ditto.
15704 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15705 * rtl.h (make_jump_insn_raw): Add forward decl.
15706 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15708 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15709 Roger Sayle <roger@eyesopen.com>
15711 * fold-const.c (fold_minmax): New static function.
15712 (fold_binary) <MIN_EXPR>: Call it.
15713 <MAX_EXPR>: Likewise.
15714 * stor-layout.c (place_field): Use DECL_SIZE consistently
15715 in the computation of the new record size.
15717 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15719 * cse.c (cse_condition_code_reg): Make it static.
15720 * rtl.h: Remove the prototype for cse_condition_code_reg.
15722 * combine.c (combine_instructions): Make it static.
15723 * rtl.h: Remove the prototype for combine_instructions.
15725 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15728 * tree.c (get_file_function_name_long): Concatenate the first global
15729 object name with a string derived from the input filename of the object
15732 2006-01-16 Ben Elliston <bje@au.ibm.com>
15734 * config/i386/winnt-stubs.c: Update FSF address.
15735 * config/xtensa/ieee754-df.S: Ditto.
15736 * config/xtensa/ieee754-sf.S: Ditto.
15738 2006-01-14 Ian Lance Taylor <ian@airs.com>
15740 * ifcvt.c (noce_init_if_info): New static function, broken out of
15741 noce_process_if_block.
15742 (noce_process_if_block): Call noce_init_if_info.
15743 (check_cond_move_block): New static function.
15744 (cond_move_process_if_block): New static function.
15745 (process_if_block): Call cond_move_process_if_block.
15747 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15749 * cselib.c (hash_table): Rename to cselib_hash_table.
15750 (cselib_clear_table, discard_useless_values,
15751 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15752 cselib_init, cselib_finish): Adjust uses of hash_table.
15754 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15756 PR tree-optimization/25485
15757 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15758 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15759 is known to be false and true, respectively.
15761 2006-01-14 Richard Guenther <rguenther@suse.de>
15763 PR tree-optimization/22548
15764 PR tree-optimization/22555
15765 PR tree-optimization/22501
15766 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15767 * params.def (salias-max-array-elements): New parameter.
15768 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15769 * doc/invoke.texi (salias-max-array-elements): Document.
15770 * tree-flow-inline.h (var_can_have_subvars): We also handle
15772 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15774 * tree-ssa-structalias.c (params.h): Include.
15775 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15776 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15777 (get_constraint_for): For ADDR_EXPR operating on something
15778 containing an ARRAY_REF, add all subvars to the solution.
15779 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15780 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15781 for creating MUST_DEFs.
15782 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15784 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15786 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15788 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15789 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15790 number_of_iterations_le): New functions.
15791 (number_of_iterations_special): Removed.
15792 (number_of_iterations_exit): Do not use number_of_iterations_special.
15793 * tree.c (unsigned_type_for): Always return integer type.
15795 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15796 Richard Guenther <rguenther@suse.de>
15798 PR rtl-optimization/24257
15799 * gcse.c (find_moveable_store): Only consider a store movable
15800 when the SET_SRC of the insn can be assigned to a register.
15802 2006-01-14 Ian Lance Taylor <ian@airs.com>
15804 * tree.c (tree_not_class_check_failed): New function.
15805 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15806 (tree_not_class_check_failed): Declare.
15808 2006-01-13 Ian Lance Taylor <ian@airs.com>
15810 * reload1.c (do_output_reload): Add assertion rejecting a
15813 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15815 * combine.c (struct reg_stat): Add new fields truncation_label and
15817 (record_value_for_reg): Reset truncated_to_mode.
15818 (record_truncated_value): New function.
15819 (check_promoted_subreg): Call it. Rename to check_conversions.
15820 (combine_instructions): Rename check_promoted_subreg to
15822 (reg_truncated_to_mode): New function.
15823 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15824 (gen_lowpart_or_truncate): New function.
15825 (force_to_mode): Use it instead of gen_lowpart.
15827 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15829 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15830 VAR is a tag, not its type tag.
15832 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15834 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15835 alternatives to match style of other entries.
15836 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15838 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15840 PR tree-optimization/25771
15841 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15844 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15847 * tree-inline.c (declare_return_variable): If the return variable
15848 was marked as a non gimple complex, set the return slot variable
15849 to be a non gimple comple variable.
15851 2006-01-13 Richard Guenther <rguenther@suse.de>
15853 * builtins.c (expand_builtin_sincos): New function.
15854 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15856 (expand_builtin): Expand sincos using expand_builtin_sincos.
15858 2006-01-12 DJ Delorie <dj@redhat.com>
15860 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15861 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15862 so that constant shifts can be split.
15863 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15864 (m32c_valid_pointer_mode): Make static.
15865 (shift_gen_func_for): New.
15866 (m32c_prepare_shift): Use it. Split large const shifts into
15868 * config/m32c/predicates.md (shiftcount_operand): Allow more
15870 (longshiftcount_operand): New.
15871 * doc/md.texi (Machine Constraints): Document In6.
15873 2006-01-13 Ben Elliston <bje@au.ibm.com>
15875 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15876 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15879 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15881 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15882 to try to avoid clobbering pieces of structures when we know
15883 something about the whole structure.
15884 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15886 2006-01-13 Ben Elliston <bje@au.ibm.com>
15888 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15889 return in memory, as this is no limitation is no longer present.
15891 2006-01-12 DJ Delorie <dj@redhat.com>
15893 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15894 mova with fb, and for fb+0 -> An.
15896 * config/m32c/mov.md (peephole2): Fix enabling logic.
15898 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15899 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15900 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15901 FINI_ARRAY_SECTION_ASM_OP): Define.
15903 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15905 (m32c_legitimize_reload_address): New logic to reload FB to An.
15906 (m32c_output_reg_push): Add newline.
15907 (m32c_output_reg_pop): Likewise.
15909 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15911 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15913 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15915 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15917 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15919 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15922 2006-01-11 Ben Elliston <bje@au.ibm.com>
15924 * rtlanal.c (find_reg_note): Assert insn is not null.
15926 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15928 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15931 2006-01-11 Jeff Law <law@redhat.com>
15933 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15935 (mark_threaded_blocks, register_jump_thread): New functions.
15936 (thread_through_all_blocks): Remove unwanted argument. No
15937 longer rely on e->aux to communicate thread target info.
15938 Call mark_threaded_blocks. Release the threaded_blocks
15939 bitmap and threaded_edges vector when complete.
15940 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15941 (threaded_blocks): Remove.
15942 (tree_ssa_dominator_optimize): Remove initialization and
15943 finalization of threaded_blocks. Simplify call to
15944 thread_through_all_blocks.
15945 (thread_across_edge): Call register_jump_thread rather than
15946 storing thread information into e->aux.
15947 (free_all_edge_infos): Simplify now that e->aux is no longer
15948 used to communicate with thread_through_all_blocks.
15949 * tree-flow.h (thread_through_all_blocks): Update prototype.
15950 (register_jump_thread): Prototype.
15952 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15954 * df-core.c (df_compact_blocks, df_bb_replace): Use
15955 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15957 2006-01-11 Richard Guenther <rguenther@suse.de>
15959 PR tree-optimization/25734
15960 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15961 stop propagation after successful propagation to the LHS.
15963 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15965 * basic-block.h (control_flow_graph): Change the type of
15966 x_basic_block_info to VEC(basic_block,gc) *.
15967 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15969 (SET_BASIC_BLOCK): New.
15970 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15971 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15972 * cfgbuild.c (find_basic_blocks): Likewise.
15973 * cfglayout.c (fixup_reorder_chain): Likewise.
15974 * cfgrtl.c (create_basic_block_structure,
15975 rtl_create_basic_block): Likewise.
15976 * ifcvt.c (find_if_case_1): Likewise.
15977 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15980 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15982 * Makefile.in: Removed rotted odf.c entry.
15984 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15987 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15988 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15989 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15990 output pattern modifier, not %e.
15991 * config/cris/cris.c (cris_op_str): Update comment about pattern
15993 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15994 before falling through into...
15995 <case 'E'>: Redefined from old 'e' case.
15997 2006-01-11 Jan Hubicka <jh@suse.cz>
16000 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16002 2006-01-11 Jan Hubicka <jh@suse.cz>
16004 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16005 * i386.c (x86_decompose_lea): Kill.
16006 (ix86_rtx_costs): Kill.
16008 2006-01-11 Jan Hubicka <jh@suse.cz>
16010 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16011 * cgraph.h (cgraph_node): Add inline_decl.
16012 (cgraph_insert_node_to_hashtable): Declare.
16013 (save_inline_function_body): Declare.
16014 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16016 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16017 (cgraph_function_versioning): Update call of tree_function_versioning.
16018 (save_inline_function_body): New function.
16019 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16020 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16021 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16022 (cgraph_default_inline_p): Likewise.
16023 (cgraph_decide_inlining_incrementally): Likewise.
16024 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16025 (copy_bb): Kill saving; do updating of clones.
16026 (copy_cfg_body): Kill saving.
16027 (initialize_inlined-parameters): Likewise.
16028 (expand_call_inline): Likewise.
16030 (tree_function_versioning): New parameter "update_clones".
16031 (inlining_p): Kill saving.
16032 * tree-inline.h (tree_function_versioning): Update prototype.
16033 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16036 2006-01-11 Ian Lance Taylor <ian@airs.com>
16038 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16039 Allow undoing set of machine mode.
16040 (do_SUBST): Use enums instead of is_int.
16041 (do_SUBST_MODE): New function.
16042 (SUBST_MODE): New macro.
16043 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16044 reg and trying to replace reg_regno_rtx with a new register.
16045 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16046 (simplify_set): Use SUBST_MODE.
16047 (distribute_notes): Remove code that tried to update reg notes
16048 for regno_reg_rtx changes.
16050 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16052 PR tree-optimization/23109
16053 PR tree-optimization/23948
16054 PR tree-optimization/24123
16056 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16057 * tree-cfg.c (single_noncomplex_succ): New.
16058 * tree-flow.h (single_noncomplex_succ): Declare it.
16059 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16060 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16061 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16062 insert_bb, register_division_in, insert_reciprocals,
16063 replace_reciprocal, free_bb): New.
16064 (execute_cse_reciprocals_1): Rewritten.
16065 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16066 Do not commit any edge insertion. Always compute dominators and
16067 create the allocation pool.
16068 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16069 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16070 * targhooks.c (default_min_divistions_for_recip_mul): New.
16071 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16072 * passes.c (init_optimization_passes): Run recip after tree loop
16074 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16076 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16077 Kenneth Zadeck <zadeck@naturalbridge.com>
16079 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16080 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16081 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16082 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16083 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16084 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16085 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16086 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16087 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16088 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16089 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16090 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16091 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16092 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16093 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16094 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16095 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16096 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16097 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16098 DF_SCAN_POST_ALLOC): New macros.
16099 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16100 df_free_bb_function, df_local_compute_function, df_init_function,
16101 df_dataflow_function, df_confluence_function_0,
16102 df_confluence_function_n, df_transfer_function,
16103 df_finalizer_function, df_free_function, df_dump_problem_function,
16104 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16105 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16106 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16107 df_urec_bb_info, ) New types.
16108 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16110 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16111 df_analyze_simple_change_some_blocks,
16112 df_analyze_simple_change_one_block, df_compact_blocks,
16113 df_bb_replace, df_bb_regno_last_use_find,
16114 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16115 df_insn_regno_def_p, df_find_def, df_find_use,
16116 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16117 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16118 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16119 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16120 debug_df_chain, df_get_dependent_problem, df_chain_create,
16121 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16122 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16123 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16124 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16125 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16126 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16127 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16128 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16129 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16130 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16131 df_reorganize_refs, df_set_state, df_hard_reg_init,
16132 df_read_modify_subreg_p) New public functions.
16133 * df-core.c: The core dataflow solver and glue routines for rtl
16135 (df_init, df_add_problem, df_set_blocks, df_finish,
16136 df_hybrid_search_forward, df_hybrid_search_backward,
16137 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16138 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16139 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16140 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16141 df_reg_defined, df_find_use, df_reg_used, df_dump,
16142 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16143 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16144 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16145 debug_df_useno, reset_df_after_reload): New functions.
16146 * df-scan.c: The scanning fuctions, once in df.c, completely
16147 rewritten so that they now fully model the functionality of
16148 register usage at the backend.
16149 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16150 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16151 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16152 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16153 df_get_artificial_defs, df_get_artificial_uses,
16154 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16155 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16156 df_refs_delete, df_reorganize_refs, df_set_state,
16157 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16158 df_def_record_1, df_defs_record, df_uses_record,
16159 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16160 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16161 df_record_exit_block_uses, df_hard_reg_init): New functions.
16163 * df-problems.c: Seven concrete dataflow problems that use the
16164 scanning in df-scan.c and are solved by the engine in df-core.c.
16165 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16166 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16167 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16168 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16169 df_ru_free_bb_info, df_ru_alloc,
16170 df_ru_bb_local_compute_process_def,
16171 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16172 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16173 df_ru_transfer_function, df_ru_free, df_ru_dump,
16174 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16175 df_rd_free_bb_info, df_rd_alloc,
16176 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16177 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16178 df_rd_transfer_function, df_rd_free, df_rd_dump,
16179 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16180 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16181 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16182 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16183 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16184 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16185 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16186 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16187 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16188 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16189 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16190 df_urec_mark_reg_use_for_earlyclobber,
16191 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16192 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16193 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16194 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16195 df_chain_create_bb_process_use, df_chain_create_bb,
16196 df_chain_finalize, df_chain_free, df_chains_dump,
16197 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16198 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16199 df_reg_lifetime): New functions.
16200 * df.c: Deleted file.
16201 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16202 consistent with new df api.
16203 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16204 rest_of_handle_sms): Ditto.
16205 * web.c (unionfind_union, union_defs, entry_register, web_main):
16207 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16208 invariant_expr_equal_p, find_defs, check_dependencies,
16209 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16210 free_inv_motion_data, move_loop_invariants): Ditto.
16211 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16212 Update dependencies.
16213 (odf.c): Added defective entry that was deleted later in day.
16214 * sched-deps.c (sched_analyze_1): Ditto.
16216 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16218 * tree-ssa-operands.c (get_expr_operands): Record addressable
16219 variables directly. Do not call add_stmt_operands for CONST_DECLs
16221 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16222 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16224 2006-01-11 Ben Elliston <bje@au.ibm.com>
16226 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16227 function returns true in the positive case.
16229 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16232 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16233 for SI, DI, SF and DF modes. Add alternatives to copy between
16234 general and floating point registers to the 32-bit patterns.
16235 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16236 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16237 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16238 generating 64-bit code.
16239 * config/pa/pa.c (output_move_double): Handle copies between general
16240 and floating registers.
16242 2006-01-10 Stuart Hastings <stuart@apple.com>
16244 * config/i386/i386.md (set_got): Update.
16245 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16246 (builtin_setjmp_receiver): Mach-O support.
16247 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16248 (GOT_SYMBOL_NAME): Define.
16249 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16250 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16251 * config/i386/i386.c (override_options): Revise for Darwin.
16252 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16253 support. (darwin_x86_file_end): New. (output_set_got): Add label
16254 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16255 * config/i386/i386-protos.h (output_set_got): Likewise.
16256 * config/darwin.c (machopic_legitimize_pic_address): Update
16259 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16261 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16262 when MODE isn't BLKmode.
16264 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16266 PR rtl-optimization/25367
16267 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16269 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16272 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16273 for a negative bound.
16275 2006-01-10 Richard Guenther <rguenther@suse.de>
16277 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16278 Never override with anything constraint.
16280 2006-01-10 Jan Beulich <jbeulich@novell.com>
16282 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16283 256 bits when optimize_size.
16285 2006-01-10 Jan Beulich <jbeulich@novell.com>
16287 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16289 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16290 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16293 2006-01-10 Ben Elliston <bje@au.ibm.com>
16295 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16297 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16298 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16299 (USE_FP_FOR_ARG): Reject decimal float modes.
16300 (function_arg_advance): Likewise.
16301 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16302 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16303 point types in AltiVec vectors.
16304 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16305 (rs6000_libcall_value): Likewise.
16307 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16309 * config/xtensa/ieee754-df.S: New file.
16310 * config/xtensa/ieee754-sf.S: New file.
16311 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16312 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16313 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16315 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16317 * config/sh/predicates.md (binary_float_operator,
16318 binary_logical_operator, commutative_float_operator,
16319 equality_comparison_operator, greater_comparison_operator,
16320 less_comparison_operator, logical_operator,
16321 noncommutative_float_operator, shift_operator,
16322 symbol_ref_operand, unary_float_operator): Remove redundant
16325 2006-01-09 Jeff Law <law@redhat.com>
16327 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16328 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16329 now unused arguments. Callers updated.
16330 (eliminate_redundant_computations): Remove now unused arguments,
16332 (local_fold): Remove, no longer used.
16333 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16335 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16336 (simplify_cond): New function.
16337 (forward_propagate_into_cond): Call simplify_cond.
16339 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16341 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16342 (*vec_extractv2di_1_sse): New.
16344 2006-01-09 Ben Elliston <bje@au.ibm.com>
16346 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16348 2006-01-08 Richard Guenther <rguenther@suse.de>
16350 * tree-ssa-structalias.c (get_constraint_for): Remove
16351 anyoffset argument.
16352 (get_constraint_for_component_ref): Likewise.
16353 (do_deref): Likewise.
16354 (get_constraint_for): Likewise.
16355 (do_structure_copy): Likewise.
16356 (handle_ptr_arith): Likewise.
16357 (find_func_aliases): Likewise. Remove unused need_anyoffset
16360 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16361 Kaz Kojima <kkojima@gcc.gnu.org>
16363 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16364 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16365 (EXTRA_CONSTRAINT_C16): Remove.
16366 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16367 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16368 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16369 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16370 constants of SHmedia. Handle nested constant expressions of
16372 (andcosts): Fix the costs for SHmedia constants.
16373 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16374 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16375 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16376 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16377 (movv4hi_i, movv2si_i): Likewise.
16378 (movsi_const): Adjust the second operand of ior so to match with
16379 the Csu constraint.
16380 (movdi_const, movdi_const_32bit): Likewise.
16381 (movdi_const_16bit+1): Don't sign-extend LOW.
16382 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16384 (*double_shori): Fix the split condition. Use GEN_INT instead
16385 of get_int_mode calls. Mask lower 16-bit of the argument of
16387 (sym2GOTPLT): Remove.
16388 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16390 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16391 instead of EXTRA_CONSTRAINT_C16.
16393 2006-01-07 Ian Lance Taylor <ian@airs.com>
16394 David Edelsohn <edelsohn@gnu.org>
16396 PR rtl-optimization/25662
16397 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16398 for constant operands instead of simplify_gen_binary.
16399 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16400 after trying simplify_binary_operation
16402 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16404 * tree.c (iterative_hash_expr): Hash decls based on UID.
16406 2006-01-06 Eric Christopher <echristo@apple.com>
16408 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16409 (TARGET_UNWIND_EMIT): Fix spelling.
16410 * target.h (gcc_target): Add except_table_label.
16411 * except.c (output_function_exception_table): Use.
16412 * varasm.c (default_emit_except_table_label): New.
16413 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16415 (asm_out): Add here.
16416 * output.h (default_emit_except_table_label): Prototype.
16417 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16418 * config/darwin.c (darwin_emit_except_table_label): Define.
16419 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16421 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16423 PR tree-optimization/18527
16424 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16425 number_of_iterations_special, number_of_iterations_exit):
16426 Move base and step of an iv to a single structure. Add
16427 no_overflow flag, and use it in # of iterations analysis.
16428 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16429 folded_casts argument.
16430 (simple_iv): Pass base and step in a structure. Set no_overflow
16432 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16433 Evaluate expensiveness of computing # of iterations instead of
16434 the final expression.
16435 * tree-scalar-evolution.h (affine_iv): New structure.
16436 (simple_iv): Declaration changed.
16437 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16438 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16439 find_givs_in_stmt): Changed due to simple_iv change.
16441 2006-01-06 Jeff Law <law@redhat.com>
16444 * tree-cfg.c (bsi_replace): Rename final argument from
16445 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16446 change (stmt -> orig_stmt).
16447 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16448 (bsi_remove): Add new argument. Remove EH information
16450 (verify_eh_throw_table_statements): New function.
16451 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16453 * tree-optimize.c (execute_free_cfg_annotations): Verify
16454 the EH throw statement table after removing annotations.
16455 * except.h (verify_eh_throw_table_statements): Prototype.
16456 * tree-flow.h (bsi_remove): Update prototype.
16457 * tree-vrp.c (remove_range_assertions): Add new argument to
16459 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16460 * tree-complex.c (expand_complex_div_wide): Likewise.
16461 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16462 * tree-tailcall.c (eliminate_tailcall): Likewise.
16463 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16464 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16465 * tree-nrv.c (tree_nrv): Likewise.
16466 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16467 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16468 (combine_blocks): Likewise.
16469 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16470 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16471 (cleanup_control_flow): Likewise.
16472 (remove_forwarder_block): Likewise.
16473 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16474 * tree-sra.c (sra_replace): Likewise.
16475 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16476 (forward_propagate_single_use_vars): Likewise.
16477 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16478 * tree-inline.c (expand_call_inline): Likewise.
16479 * tree-vect-transform.c (vect_transform_loop): Likewise.
16480 * tree-outof-ssa.c (rewrite_trees): Likewise.
16481 * tree-cfg.c (make_goto_expr_edges): Likewise.
16482 (cleanup_dead_labels): Likewise.
16483 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16484 (bsi_move_before, bsi_move_after): Likewise.
16485 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16486 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16488 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16491 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16493 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16494 on non gimple variables. Also add checks at the top for decls and
16496 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16498 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16499 and IMAGPART_EXPR for creating MUST_DEFs.
16500 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16501 and NAME_MEMORY_TAG separately from the DECLs.
16503 2006-01-06 Richard Guenther <rguenther@suse.de>
16505 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16506 annotation, if necessary.
16507 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16508 redundant calls to update_stmt.
16509 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16512 2006-01-05 Richard Henderson <rth@redhat.com>
16514 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16516 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16518 * c-typeck.c: Update copyright date.
16520 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16522 * c-typeck.c (build_c_cast): Always warn when casting
16523 from a pointer to an integer of different size, even if
16524 the node was constant.
16526 2006-01-05 Richard Guenther <rguenther@suse.de>
16528 PR tree-optimization/22555
16529 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16530 if one structure field is an array.
16531 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16532 operands even if we found a subvar, but ignore VOPs in this
16534 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16536 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16538 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16540 PR middle-end/24998
16541 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16543 2006-01-05 Richard Guenther <rguenther@suse.de>
16544 Diego Novillo <dnovillo@redhat.com>
16546 * tree-pass.h (TODO_remove_unused_locals): Define.
16547 * gimple-low.c (expand_var_p, remove_useless_vars,
16548 pass_remove_useless_vars): Remove. Update all users.
16549 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16550 (remove_unused_locals): New function.
16551 * tree-flow.h (remove_unused_locals): Declare.
16552 * passes.c (execute_todo): Call remove_unused_locals if
16553 TODO_remove_unused_locals is set.
16554 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16555 * tree-ssa-dce.c (pass_dce): Likewise.
16556 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16558 2006-01-05 Richard Guenther <rguenther@suse.de>
16560 * tree-flow.h (struct fieldoff): Decompose field to
16561 type, size and decl.
16562 * tree-ssa-alias.c (create_sft): Take type as parameter.
16563 (create_overlap_variables_for): Store type, size and decl
16564 in the fieldoff structure.
16565 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16566 of struct fieldoff.
16567 (push_fields_onto_fieldstack): Likewise.
16568 (create_variable_info_for): Likewise. Use offset for the
16569 SFT name if the decl is not available.
16571 2006-01-04 Paul Brook <paul@codesourcery.com>
16573 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16575 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16577 * lambda-code.c (can_put_in_inner_loop): Relax
16579 (can_put_after_inner_loop): New function.
16580 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16581 (perfect_nestify): Change to make copies and modify uses.
16583 2006-01-04 Richard Henderson <rth@redhat.com>
16585 Merge from gomp branch:
16586 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16587 via integer constant.
16588 (pragma_lex): Remove.
16589 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16590 rather than parsing it.
16591 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16592 handle_pragma_extern_prefix): Add %< %> quotes.
16593 (registered_pragmas): New.
16594 (c_register_pragma_1): New.
16595 (c_register_pragma): Use it.
16596 (c_register_pragma_with_expansion): Likewise.
16597 (c_invoke_pragma_handler): New.
16598 (init_pragma): Use cpp_register_deferred_pragma directly for
16600 * c-pragma.h (enum pragma_kind): New.
16601 (pragma_handler): New.
16602 (c_invoke_pragma_handler): Declare.
16603 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16605 * c-common.h (c_common_pch_pragma): Update decl.
16606 * Makefile.in (c-parser.o): Update dependencies.
16607 (GTFILES): Add c-pragma.h.
16608 * c-parser.c (struct c_token): Add pragma_kind.
16609 (struct c_parser): Add in_pragma.
16610 (c_lex_one_token): Always initialize keyword and pragma_kind.
16611 Extract data for CPP_PRAGMA.
16612 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16613 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16614 Don't allow CPP_PRAGMA_EOL if in_pragma.
16615 (c_parser_consume_pragma): New.
16616 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16617 (c_parser_skip_to_end_of_parameter): Likewise.
16618 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16619 (c_parser_skip_to_pragma_eol): New.
16620 (c_parser_external_declaration): Handle CPP_PRAGMA.
16621 (c_parser_compound_statement_nostart): Likewise.
16622 (c_parser_statement_after_labels): Likewise.
16623 (c_parser_pragma): New.
16624 (pragma_lex): Likewise.
16625 (c_parser_pragma_pch_preprocess): New.
16626 (c_parser_new): Merge into ...
16627 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16629 2006-01-04 Jeff Law <law@redhat.com>
16632 * tree-cfg.c (bsi_replace): Remove the original statement
16633 from the EH throw statement table.
16635 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16637 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16638 make the prototype extern "C" and add throw ().
16641 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16642 and pos non-negative and pos + len <= 32.
16643 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16644 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16645 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16648 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16649 as well as sizes not multiple of component size.
16652 * function.c (instantiate_expr): New function.
16653 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16654 walk its DECL_VALUE_EXPR with instantiate_expr.
16656 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16657 DW_OP_deref{,_size} if address isn't going to be added.
16659 2006-01-04 Ben Elliston <bje@au.ibm.com>
16661 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16662 * config/fp-bit.c: Likewise.
16664 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16666 * dominance.c: Add comment about why we use DFS numbering
16669 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16670 Richard Henderson <rth@redhat.com>
16672 Merge from gomp-branch:
16673 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16674 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16676 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16678 PR rtl-optimization/25578
16679 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16680 pass a parameter to simplify_shift_const if changing ASHIFTRT
16683 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16685 * builtins.c (get_builtin_sync_mem): New function.
16686 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16687 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16688 Call get_builtin_sync_mem to generate mem rtx.
16690 2006-01-03 Richard Guenther <rguenther@suse.de>
16693 * stmt.c (add_case_node): Make sure to clear overflow flags
16696 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16698 Merge from gomp-branch.
16699 * config/sparc/sync.md: New file.
16700 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16701 UNSPECV_LDSTUB): New constants.
16702 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16703 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16704 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16707 2006-01-03 Roger Sayle <roger@eyesopen.com>
16709 * combine.c (reg_subword_p): New predicate to test whether the
16710 destination of a set refers to a subword/piece of a register.
16711 (try_combine): Generalize the code to merge the setting of a
16712 pseudo to a constant followed by a set of a subword of that
16713 register to a constant.
16715 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16717 * basic-block.h (control_flow_graph): Change the type of
16718 x_label_to_block_map to VEC(basic_block,gc) *.
16719 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16720 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16722 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16723 VEC(basic_block,heap) *.
16724 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16725 ssa_prop_fini): Adjust the uses of cfg_blocks.
16727 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16729 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16731 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16732 hashing trees instead of a pointer hash.
16733 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16734 compare for MEM_EXPR.
16736 PR rtl-optimization/25130
16737 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16738 when comparing MEMs for GCSE
16740 2006-01-03 Ben Elliston <bje@au.ibm.com>
16742 * targhooks.h (default_decimal_float_supported_p): Declare.
16743 * targhooks.c (default_decimal_float_supported_p): Define.
16744 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16745 `default_decimal_float_supported_p'.
16746 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16748 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16750 * combine.c (apply_distributive_law <SUBREG>): Check
16751 TRULY_NOOP_TRUNCATION.
16753 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16755 * dwarf2out.c (have_switched_text_section): Delete.
16756 (have_multiple_function_sections): New.
16757 (have_location_lists): Make 'bool'.
16758 (add_AT_loc_list): Use 'true' not '1'.
16759 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16760 (output_loc_list): Use have_multiple_function_sections.
16761 (output_ranges): Likewise.
16762 (dwarf2out_begin_function): Set have_multiple_function_sections if
16764 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16765 Check function_section rather than DECL_SECTION_NAME.
16766 (dwarf2out_finish): Use have_multiple_function_sections.
16767 Don't clear have_location_lists.
16769 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16770 Jan Hubicka <jh@suse.cz>
16772 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16773 case of conditional jump jumping to the next instruction.
16774 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16775 cases of conditional jump jumping to the next instruction.
16777 2006-01-02 Jan Hubicka <jh@suse.cz>
16779 * i386.c (*_cost): Add COSTS_N_INSNS.
16780 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16782 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16785 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16787 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16789 * config/arm/arm.c (all_fpus): Fix comment typo.
16790 * config/darwin.c: Likewise.
16791 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16792 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16793 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16795 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16797 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16798 (rs6000_split_compare_and_swapqhi): New.
16799 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16800 (sync_compare_and_swapqhi_internal): New.
16801 * config/rs6000/rs6000-protos.h: Declare.