1 2006-10-29 Richard Guenther <rguenther@suse.de>
3 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4 (ix86_expand_truncdf_32): Likewise.
5 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6 trunc inline for SSE math and -fno-trapping-math and if not
8 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
9 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
10 for expanding btrunc inline for SSE math.
12 2006-10-29 Joseph Myers <joseph@codesourcery.com>
14 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
15 Handle tuning for bi-arch i[34567]86-*-linux* like that for
16 i[34567]86-*-solaris2.1[0-9]*.
17 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
18 Define conditionally depending on TARGET_64BIT_DEFAULT.
19 (SPEC_32, SPEC_64): Define.
20 (LINK_SPEC): Use them.
21 * doc/install.texi (--enable-targets=all): Document for x86-linux.
23 2006-10-29 Richard Guenther <rguenther@suse.de>
25 * config/i386/i386-protos.h (ix86_expand_round): Declare.
26 (ix86_expand_rounddf_32): Likewise.
27 * config/i386/i386.c (ix86_expand_round): New function expanding
28 round inline for SSE math and -fno-trapping-math and if not
30 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
31 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
32 round via ix86_expand_round.
34 2006-10-29 Richard Guenther <rguenther@suse.de>
36 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
37 (ix86_expand_floorceildf_32): Likewise.
38 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
39 static helper function.
40 (ix86_expand_floorceil): Expander for floor and ceil to SSE
42 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
43 * config/i386/i386.md (floordf2): Adjust to enable floor
44 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
45 -fno-trapping-math is enabled and if not optimizing for size.
46 (floorsf2, ceildf2, ceilsf2): Likewise.
47 * config/i386/sse.md (sse_maskcmpsf3): New insn.
48 (sse2_maskcmpdf3): Likewise.
50 2006-10-29 Richard Guenther <rguenther@suse.de>
52 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
53 rint in case -fno-trapping-math is enabled.
54 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
55 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
56 (ix86_expand_sse_fabs): Likewise.
57 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
58 * config/i386/i386.md (rintdf2): Enable for SSE math if
59 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
62 2006-10-29 Richard Guenther <rguenther@suse.de>
64 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
66 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
68 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
69 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
70 (lfloor_optab, lceil_optab): Adjust defines.
71 * builtins.c (expand_builtin_int_roundingfn): Adjust for
72 lfloor and lceil optabs now being conversion optabs.
73 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
74 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
75 New static helper function.
76 (ix86_expand_lfloorceil): New function to expand lfloor and
78 * config/i386/i386.md (lfloor<mode>2): Split into ...
79 (lfloorxf<mode>2): ... x87 variant
80 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
81 using ix86_expand_lfloorceil.
82 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
84 * doc/md.texi (lfloorMN, lceilMN): Document.
86 2006-10-29 Richard Sandiford <richard@codesourcery.com>
88 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
89 -mno-shared assembler option on mips targets.
90 * configure, config.in: Regenerate.
91 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
92 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
93 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
95 2006-10-29 Richard Sandiford <richard@codesourcery.com>
97 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
98 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
100 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
102 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
103 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
106 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
109 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
110 (fold_builtin_pow): Evaluate constant arguments at compile-time
112 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
113 (do_mpfr_ckconv): New helper function.
114 (do_mpfr_arg1): Use do_mpfr_ckconv.
117 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
120 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
121 (-fdump-rtl-sched): Rename to ..
122 (-fdump-rtl-sched1): here. Also fix file extension number.
124 2006-10-28 Richard Guenther <rguenther@suse.de>
126 * fold-const.c (maybe_canonicalize_comparison): Fix code
129 2006-10-28 Uros Bizjak <uros@kss-loka.si>
131 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
132 (NON_QI_REG_P): Use IN_RANGE.
133 (REX_INT_REGNO_P): Use IN_RANGE.
134 (FP_REGNO_P): Use IN_RANGE.
135 (SSE_REGNO_P): Use IN_RANGE.
136 (REX_SSE_REGNO_P): Use IN_RANGE.
137 (MMX_REGNO_P): Use IN_RANGE.
138 (STACK_REGNO_P): New macro.
139 (STACK_REG_P): Use STACK_REGNO_P.
140 (NON_STACK_REG_P): Use STACK_REGNO_P.
141 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
142 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
143 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
144 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
145 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
147 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
149 * except.h (output_function_exception_table): Add 'const char*' param.
150 * except.c (switch_to_exception_section): Add 'const char*' param.
151 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
152 and flag_function_sections is set, use a function-specific section.
153 (output_function_exception_table): Add 'const char*' param.
154 Adjust call to switch_to_exception_section.
155 * final.c (rest_of_handle_final): Adjust calls to
156 output_function_exception_table.
157 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
158 * config.in: Regenerate.
159 * configure: Likewise.
161 2006-10-28 Richard Guenther <rguenther@suse.de>
164 * fold-const.c (maybe_canonicalize_comparison_1): Helper
165 for maybe_canonicalize_comparison.
166 (maybe_canonicalize_comparison): New function for canonicalizing
168 (fold_comparison): Call it to canonicalize comparisons with
171 2006-10-28 Richard Guenther <rguenther@suse.de>
174 * builtins.c (expand_builtin_int_roundingfn_2): Expand
175 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
176 (expand_builtin): Adjust likewise.
177 * genopinit.c (optabs[]): Add lround optab.
178 * optabs.c (init_optabs): Initialize lround_optab.
179 * optabs.h (enum convert_optab_index): Add COI_lround.
180 (lround_optab): Define.
181 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
182 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
184 (ix86_expand_lround): New function.
185 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
187 * doc/md.texi (lroundMN2): Document.
189 2006-10-28 Uros Bizjak <uros@kss-loka.si>
192 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
193 argument to HOST_WIDE_INT. Update function prototype.
194 (round_frame_size): Change return type to HOST_WIDE_INT. Change
195 "size" argument to HOST_WIDE_INT. Update function prototype.
197 2006-10-28 Uros Bizjak <uros@kss-loka.si>
199 * config/i386/i386.c (output_387_ffreep): Create output from a
200 template string for !HAVE_AS_IX86_FFREEP.
202 2006-10-27 Eric Christopher <echristo@apple.com>
204 * config/darwin.c: Fix formatting and grammar.
206 2006-10-27 Jan Hubicka <jh@suse.cz>
208 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
209 to be thrown away soon when IGNORE is set.
210 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
211 indicating when return value shall not be computed.
212 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
214 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
216 * config/i386/i386.h (TARGET_GEODE):
217 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
218 (TARGET_CPU_DEFAULT_geode): New macro.
219 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
220 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
221 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
222 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
223 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
225 (TARGET_CPU_DEFAULT_NAMES): Add geode.
226 (processor_type): Add PROCESSOR_GEODE.
228 * config/i386/i386.md: Include geode.md.
231 * config/i386/i386.c (geode_cost): New initialized global
233 (m_GEODE, m_K6_GEODE): New macros.
234 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
235 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
236 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
237 x86_schedule): Use m_K6_GEODE instead of m_K6.
238 (x86_movx, x86_cmove): Set up m_GEODE.
239 (x86_integer_DFmode_moves): Clear m_GEODE.
240 (processor_target_table): Add entry for geode.
241 (processor_alias_table): Ditto.
243 * config/i386/geode.md: New file.
245 * doc/invoke.texi: Add entry about geode processor.
247 2006-10-27 Mike Stump <mrs@apple.com>
249 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
250 __DYNAMIC__ from here back to ...
251 * config/darwin.h (CPP_SPEC): ... here.
253 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
254 Nathan Sidwell <nathan@codesourcery.com>
256 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
257 when choosing the minimum heapsize.
259 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
261 * gcc/unwind-dw2.h: Move cfa-related variables into
262 struct frame_state_reg_info to ensure that the CFA is properly
263 handled when executing DW_CFA_{remember,restore}_state.
264 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
265 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
266 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
267 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
268 gcc/config/rs6000/linux-unwind.h,
269 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
270 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
271 Modify to use new cfa_* fields.
273 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
275 * config/s390/s390.c (s390_init_frame_layout): Check positive
278 2006-10-26 Ben Elliston <bje@au.ibm.com>
280 * gimplify.c (get_name): Remove extraneous break.
281 (gimplify_omp_for): Initialise ret with GS_OK.
283 2006-10-25 Steve Ellcey <sje@cup.hp.com>
285 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
286 Add unix98.o to link line.
288 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
291 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
292 Calculate compile-time constants using MPFR.
293 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
294 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
296 2006-10-25 Bob Wilson <bob.wilson@acm.org>
298 * config/xtensa/lib2funcs.S: Use C-style comments.
300 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
302 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
303 (file_table_relative_p): Likewise.
304 (dwarf2out_finish): Likewise.
305 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
307 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
309 * tree-ssa-structalias.c (intra_create_variable_infos):
310 Don't recreate nonlocal_all if it already exists.
312 2006-10-25 Richard Guenther <rguenther@suse.de>
315 * optabs.h (enum optab_index): Remove OTI_lrint.
316 (enum convert_optab_index): Add COI_lrint.
317 (lrint_optab): Adjust.
318 (expand_sfix_optab): Declare.
319 * optabs.c (expand_sfix_optab): New function.
320 (init_optabs): Init lrint_optab as conversion optab.
321 * genopinit.c (lrint_optab): Change to a conversion optab.
322 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
323 expansion via conversion optab.
324 * config/i386/i386.md (*fistdi2_1): Remove
325 flag_unsafe_math_optimizations guard.
326 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
327 fist<mode>2_with_temp): Likewise.
328 (lrint<mode>2): Split into...
329 (lrintxf<mode>2): ... x87 part
330 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
331 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
332 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
333 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
334 * doc/md.texi (lrintMN2): Document.
336 2006-10-25 Uros Bizjak <uros@kss-loka.si>
339 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
340 Use inc and dec instructions for TARGET_USE_INCDEC.
341 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
342 ("sync_double_compare_and_swap<mode>"): Likewise.
343 ("*sync_double_compare_and_swapdi_pic"): Likewise.
344 ("*sync_compare_and_swap_cc<mode>"): Likewise.
345 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
346 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
347 ("sync_old_add<mode>"): Likewise.
348 ("sync_lock_test_and_set<mode>"): Likewise.
349 ("sync_lock_test_and_set<mode>"): Likewise.
350 ("sync_add<mode>"): Likewise.
351 ("sync_sub<mode>"): Likewise.
352 ("sync_ior<mode>"): Likewise.
353 ("sync_and<mode>"): Likewise.
354 ("sync_xor<mode>"): Likewise.
356 2006-10-25 Uros Bizjak <uros@kss-loka.si>
358 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
359 (remainder_optab): Define corresponding macro.
360 (drem_optab): Remove.
361 * optabs.c (init_optabs): Initialize remainder_optab. Remove
362 drem_optab initialization.
363 * genopinit.c (optabs): Implement remainder_optab using
364 remainder?f3 patterns. Remove drem_optab.
365 * builtins.c (expand_builtin_mathfn_2): Handle
366 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
367 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
368 expand_builtin_mathfn_2.
370 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
371 depend on flag_unsafe_math_optimizations.
373 * config/i386/i386.md ("remaindersf3", "remainderdf3")
374 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
375 Do not depend on flag_unsafe_math_optimizations. Use
376 truncxf?f expander instead of truncxf?f_i387_noop.
378 ("fpremxf4", "fprem1xf4"): Do not depend on
379 flag_unsafe_math_optimizations.
380 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
381 flag_unsafe_math_optimizations. Use truncxf?f expander
382 instead of truncxf?f_i387_noop.
384 * doc/md.texi (fmod, remainder): Document standard named pattern.
386 2006-10-24 Richard Sandiford <richard@codesourcery.com>
387 David Daney <ddaney@avtrex.com>
390 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
392 2006-10-25 Ben Elliston <bje@au.ibm.com>
394 * doc/extend.texi (Variable Attributes): Typo fix.
396 2006-10-24 Uros Bizjak <uros@kss-loka.si>
398 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
399 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
400 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
401 (FRAME_POINTER_REGNUM): Update register number to 21.
402 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
403 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
405 * config/i386/i386.c (regclass_map): Add fpcr entry.
406 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
408 (print_reg): Assert REGNO (x) != FPCR_REG.
410 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
411 (DIRFLAG_REG): Renumber.
412 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
413 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
414 (sse_prologue_save, *sse_prologue_save_insn): Renumber
415 hardcoded SSE register numbers.
417 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
418 hardcoded MMX register numbers.
420 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
423 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
424 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
426 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
427 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
428 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
429 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
431 2006-10-24 Richard Guenther <rguenther@suse.de>
434 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
435 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
436 for deciding optimizations in consistency with fold-const.c
437 (fold_builtin_unordered_cmp): Likewise.
439 2006-10-24 Richard Guenther <rguenther@suse.de>
441 * builtins.c (fold_builtin_floor): Fold floor (x) where
442 x is nonnegative to trunc (x).
443 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
444 nonnegative to FIX_TRUNC_EXPR.
446 2006-10-24 Richard Guenther <rguenther@suse.de>
448 PR tree-optimization/29567
449 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
450 for TRUTH_NOT_EXPR. Clarify comments.
452 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
455 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
456 at compile-time using MPFR. Change parameter VALUE to FUNC,
458 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
459 for overflow and underflow at all times and avoid folding in
462 2006-10-24 Ben Elliston <bje@au.ibm.com>
464 * reload1.c: Formatting fixes.
466 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
468 PR tree-optimization/14784
469 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
470 * tree-ssa-structalias.c (get_constraint_for,
471 intra_create_variable_infos): Set is_heapvar.
472 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
473 non-heapvar pointer variables specially.
475 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
478 * builtins.c (fold_builtin_sin, fold_builtin_cos,
479 fold_builtin_tan): Fold all constant arguments. Take a "type"
480 argument as necessary.
482 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
484 2006-10-23 Bob Wilson <bob.wilson@acm.org>
486 * config/xtensa/lib1funcs.asm: Use C-style comments.
488 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
490 * tree.c (local_define_builtin): Replace calls to
491 lang_hooks.builtin_function with add_builtin_function.
492 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
494 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
496 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
497 common code to add_builtin_function.
498 * langhooks.c (add_builtin_function): New function.
499 (lhd_builtin_function): New function.
500 * langhooks.h (struct lang_hooks): Change the signature of
502 (add_builtin_function): New function.
503 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
504 calls to lang_hooks.builtin_function with add_builtin_function.
505 * c-common.c (decl_builtin_1): Replace calls to
506 lang_hooks.builtin_function with add_builtin_function.
507 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
508 lang_hooks.builtin_function with add_builtin_function.
509 * config/frv/frv.c (def_builtin): Replace calls to
510 lang_hooks.builtin_function with add_builtin_function.
511 * config/s390/s390.c (s390_init_builtins): Replace calls to
512 lang_hooks.builtin_function with add_builtin_function.
513 * config/sparc/sparc.c (def_builtin): Replace calls to
514 lang_hooks.builtin_function with add_builtin_function.
515 * config/i386/i386.c (def_builtin): Replace calls to
516 lang_hooks.builtin_function with add_builtin_function.
517 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
518 lang_hooks.builtin_function with add_builtin_function.
519 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
520 lang_hooks.builtin_function with add_builtin_function.
521 * config/stormy16/stormy16.c (xstormy16_init_builtins):
522 Replace calls to lang_hooks.builtin_function with
523 add_builtin_function.
524 * config/iq2000/iq2000.c (def_builtin):
525 Replace calls to lang_hooks.builtin_function with
526 add_builtin_function.
527 * config/ia64/ia64.c (def_builtin): Replace calls to
528 lang_hooks.builtin_function with add_builtin_function.
529 * config/rs6000/rs6000.c (def_builtin): Replace calls to
530 lang_hooks.builtin_function with add_builtin_function.
531 (altivec_init_builtins): Replace calls to
532 lang_hooks.builtin_function with add_builtin_function.
533 * config/arm/arm.c (def_mbuiltin): Replace calls to
534 lang_hooks.builtin_function with add_builtin_function.
535 (arm_init_tls_builtins): Replace calls to
536 lang_hooks.builtin_function with add_builtin_function.
537 * config/mips/mips.c (mips_init_builtins): Replace calls to
538 lang_hooks.builtin_function with add_builtin_function.
539 * config/bfin/bfin.c (def_builtin): Replace calls to
540 lang_hooks.builtin_function with add_builtin_function.
541 * langhooks-def.h (lhd_builtin_function): New function.
542 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
544 2006-10-23 Jakub Jelinek <jakub@redhat.com>
546 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
547 BUILT_IN_STRNCAT_CHK.
549 2006-10-23 Jan Hubicka <jh@suse.cz>
551 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
552 don't do conversion from memmove to memcpy here.
553 (expand_builtin_bcopy, expand_builtin): Update call of
554 expand_builtin_memmove.
555 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
557 2006-10-23 Paul Brook <paul@codesourcery.com>
559 * stor-layout.c (start_record_layout): maximum_field_alignment
560 overrides STRUCTURE_SIZE_BOUNDARY.
562 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
564 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
565 nonlocal function symbols if flag_pic.
567 2006-10-23 Richard Guenther <rguenther@suse.de>
571 * builtins.c (fold_binary): Remove checks for flag_wrapv
572 and flag_trapv where negate_expr_p covers these cases.
574 2006-10-23 Richard Guenther <rguenther@suse.de>
577 * fold-const.c (fold_plusminus_mult_expr): Check exact power
578 of two on the absolute value.
579 (fold_binary): Fold x * -C to -x * C if x is easily negatable
580 and negating -C does not overflow.
582 2006-10-23 Richard Guenther <rguenther@suse.de>
585 * convert.c (convert_to_real): Fold (float)-x to -(float)x
586 only if not flag_rounding_math.
588 2006-10-22 Richard Sandiford <richard@codesourcery.com>
589 Kaz Kojima <kkojima@gcc.gnu.org>
592 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
593 SImode memory reference for the source of a movua.
594 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
595 (movua): Use an unspec instead of sign_extract. Expect the source
596 to have mode BLKmode.
597 (extv, insv): Use a BLKmode rather than SImode memory reference
598 for the source of a movua.
600 2006-10-22 Jeff Law <law@redhat.com>
601 Richard Guenther <rguenther@suse.de>
603 PR tree-optimization/15911
604 * tree-vrp.c (extract_code_and_val_from_cond): New function.
605 (register_edge_assert_for_1): Likewise.
606 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
607 (find_conditional_asserts): Adjust for new function signature.
608 (find_assert_locations): Likewise.
610 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
612 * config/i386/tmmintrin.h: Remove the duplicated content.
614 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
616 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
617 (x86_64-*-*): Likewise.
619 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
620 (override_options): Check SSSE3.
621 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
622 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
623 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
624 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
625 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
626 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
627 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
628 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
629 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
630 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
631 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
632 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
633 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
634 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
635 IX86_BUILTIN_PABSD128.
636 (bdesc_2arg): Add SSSE3.
637 (bdesc_1arg): Likewise.
638 (ix86_init_mmx_sse_builtins): Support SSSE3.
639 (ix86_expand_builtin): Likewise.
640 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
642 * config/i386/i386.md (UNSPEC_PSHUFB): New.
643 (UNSPEC_PSIGN): Likewise.
644 (UNSPEC_PALIGNR): Likewise.
645 Include mmx.md before sse.md.
647 * config/i386/i386.opt: Add -mssse3.
649 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
650 (ssse3_phaddwv4hi3): Likewise.
651 (ssse3_phadddv4si3): Likewise.
652 (ssse3_phadddv2si3): Likewise.
653 (ssse3_phaddswv8hi3): Likewise.
654 (ssse3_phaddswv4hi3): Likewise.
655 (ssse3_phsubwv8hi3): Likewise.
656 (ssse3_phsubwv4hi3): Likewise.
657 (ssse3_phsubdv4si3): Likewise.
658 (ssse3_phsubdv2si3): Likewise.
659 (ssse3_phsubswv8hi3): Likewise.
660 (ssse3_phsubswv4hi3): Likewise.
661 (ssse3_pmaddubswv8hi3): Likewise.
662 (ssse3_pmaddubswv4hi3): Likewise.
663 (ssse3_pmulhrswv8hi3): Likewise.
664 (ssse3_pmulhrswv4hi3): Likewise.
665 (ssse3_pshufbv16qi3): Likewise.
666 (ssse3_pshufbv8qi3): Likewise.
667 (ssse3_psign<mode>3): Likewise.
668 (ssse3_psign<mode>3): Likewise.
669 (ssse3_palignrti): Likewise.
670 (ssse3_palignrdi): Likewise.
671 (abs<mode>2): Likewise.
672 (abs<mode>2): Likewise.
674 * config/i386/tmmintrin.h: New file.
676 * doc/extend.texi: Document SSSE3 built-in functions.
678 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
680 2006-10-22 Ira Rosen <irar@il.ibm.com>
682 * tree-vect-transform.c (vectorizable_load): Use the type of the
683 return value of the mask_for_load builtin to create realign_load
686 2006-10-22 Richard Sandiford <richard@codesourcery.com>
688 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
691 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
693 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
694 (UNSPEC_LDDQU): This.
695 * config/i386/sse.md (sse3_lddqu): Updated.
697 2006-10-21 Richard Guenther <rguenther@suse.de>
699 * builtins.c (expand_builtin_int_roundingfn_2): New function.
700 (expand_builtin): Use it to expand lrint instead of
701 expand_builtin_mathfn.
703 2006-10-21 Uros Bizjak <uros@kss-loka.si>
706 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
707 flag_unsafe_math_optimizations is set.
709 2006-10-21 Uros Bizjak <uros@kss-loka.si>
712 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
713 patterns to use memory input operand in x87->mem->XMM
714 reload sequences. Skip transformation for TARGET_K8.
716 2006-10-21 Uros Bizjak <uros@kss-loka.si>
718 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
719 force operand1 to register if both operands are memory operands.
720 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
721 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
722 if both operands are memory operands.
723 (truncdfsf2): Do not force operand1 to register if both operands
726 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
728 * Makefile.in (LIBS): Add $(GMPLIBS).
729 * doc/install.texi: Update GMP and MPFR requirements.
730 * doc/sourcebuild.texi (need_gmp): Delete.
732 2006-10-21 Richard Guenther <rguenther@suse.de>
734 PR tree-optimization/3511
735 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
736 got new invariant arguments during PHI translation.
738 2006-10-21 Richard Guenther <rguenther@suse.de>
741 * fold-const.c (fold_comparison): Fold signed comparisons
742 of the form X +- C1 CMP Y +- C2.
744 2006-10-21 Richard Guenther <rguenther@suse.de>
747 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
748 if flag_unsafe_math_optimizations is specified. We have
749 flag_finite_math_only for that.
750 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
751 or flag_unsafe_math_optimizations.
753 2006-10-21 Richard Guenther <rguenther@suse.de>
755 * builtins.c (fold_builtin_classify): Fix typo.
757 2006-10-21 Richard Guenther <rguenther@suse.de>
760 * simplify-rtx.c (simplify_const_relational_operation):
761 Do not constant-fold ORDERED and UNORDERED for
762 flag_unsafe_math_optimizations but only we do not need to
763 honor NaNs for the given mode.
765 2006-10-21 Richard Guenther <rguenther@suse.de>
768 * config/i386/i386.c (classify_argument): Remove redundant
769 walking of the BINFOs.
770 (contains_128bit_aligned_vector_p): Likewise.
772 2006-10-20 Mark Mitchell <mark@codesourcery.com>
774 * BASE-VER: Set to 4.3.0.
776 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
778 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
779 (tree_decl_with_vis): Remove artificial_pta_var flag.
780 * tree-flow.h (referenced_var_check_and_insert): Expose.
781 (nonlocal_all): New prototype.
782 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
783 (nonlocal_all): Make global.
784 (nonlocal_lookup): Remove.
785 (nonlocal_insert): Ditto.
786 (create_nonlocal_var): Do not call nonlocal_insert.
787 (get_nonlocal_id_for_type): Remove.
788 (find_global_initializers): Mark new vars we find for renaming.
789 (intra_create_variable_infos): Only create one nonlocal.
790 (expand_nonlocal_solutions): Remove.
791 (compute_points_to_sets): Don't call it.
792 (ipa_pta_execute): Ditto.
793 (init_alias_heapvars): Don't create nonlocal_for_type.
794 (delete_alias_heapvars): Don't remove it.
795 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
798 2006-10-19 Brooks Moses <bmoses@stanford.edu>
800 * doc/install.texi (Downloading GCC): Clarify mention of
801 Fortran in the "full distribution" description.
803 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
805 Fix PR tree-optimization/28778
806 Fix PR tree-optimization/29156
807 Fix PR tree-optimization/29415
808 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
809 (tree_decl_with_vis): Add artificial_pta_var flag.
810 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
812 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
813 (nonlocal_all): Ditto.
814 (struct variable_info): Add directly_dereferenced member.
815 (var_escaped_vars): New variable.
816 (escaped_vars_tree): Ditto.
817 (escaped_vars_id): Ditto.
818 (nonlocal_vars_id): Ditto.
819 (new_var_info): Set directly_dereferenced.
820 (graph_size): New variable
821 (build_constraint_graph): Use graph_size.
822 (solve_graph): Don't process constraints that cannot change the
823 solution, don't try to propagate an empty solution to our
825 (process_constraint): Set directly_dereferenced.
826 (could_have_pointers): New function.
827 (get_constraint_for_component_ref): Don't process STRING_CST.
828 (nonlocal_lookup): New function.
829 (nonlocal_insert): Ditto.
830 (create_nonlocal_var): Ditto.
831 (get_nonlocal_id_for_type): Ditto.
832 (get_constraint_for): Allow results vector to be empty in the case
834 Handle results of calls properly.
835 (update_alias_info): Update alias info stats on number and type of
837 (find_func_aliases): Use could_have_pointers.
838 (make_constraint_from_escaped): Renamed from
839 make_constraint_to_anything, and changed to make constraints from
841 (make_constraint_to_escaped): New function.
842 (find_global_initializers): Ditto.
843 (create_variable_info_for): Make constraint from escaped to any
844 global variable, and from any global variable to the set of
846 (intra_create_variable_infos): Deal with escaped instead of
847 pointing to anything.
848 (set_uids_in_ptset): Do type pruning on directly dereferenced
850 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
851 (init_base_vars): Fix comment, and initialize escaped_vars.
852 (need_to_solve): Removed.
853 (find_escape_constraints): New function.
854 (expand_nonlocal_solutions): Ditto.
855 (compute_points_to_sets): Call find_escape_constraints and
856 expand_nonlocal_solutions.
857 (delete_points_to_sets): Don't fall off the end of the graph.
858 (init_alias_heapvars): Initialize nonlocal_for_type and
860 (delete_alias_heapvars): Free nonlocal_for_type and null out
863 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
865 * fold-const.c (add_double): Rename to add_double_with_sign.
866 Add 'unsigned_p' parameter and take it into account for the overflow.
867 (mul_double): Rename to mul_double_with_sign.
868 Add 'unsigned_p' parameter and take it into account for the overflow.
869 (fold_div_compare): Call add_double_with_sign instead of add_double
870 and mul_double_with_sign instead of mul_double, passing them the
871 unsignedness of the type.
872 * tree.h (add_double): Macroize.
873 (add_double_with_sign): New prototype.
874 (mul_double): Macroize.
875 (mul_double_with_sign): New prototype.
877 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
879 * config/score/crti.asm: New file.
880 * config/score/crtn.asm: New file.
881 * config/score/elf.h: New file.
882 * config/score/mac.md: New file.
883 * config/score/misc.md: New file.
884 * config/score/mul-div.S: New file.
885 * config/score/predicates.md: New file.
886 * config/score/score7.md: New file.
887 * config/score/score.c: New file.
888 * config/score/score-conv.h: New file.
889 * config/score/score.h: New file.
890 * config/score/score.md: New file.
891 * config/score/score-mdaux.c: New file.
892 * config/score/score-mdaux.h: New file.
893 * config/score/score-modes.def: New file.
894 * config/score/score.opt: New file.
895 * config/score/score-protos.h: New file.
896 * config/score/score-version.h: New file.
897 * config/score/t-score-elf: New file.
898 * config.gcc: Add score*-*-* configurations(Update before).
899 * doc/invoke.texi (Score Options): New section.
900 * doc/md.texi (Score family): New section to document constraints.
902 2006-10-19 Nick Clifton <nickc@redhat.com>
904 * config/arm/arm.c: Fix spelling typo.
906 2006-10-18 Tom Tromey <tromey@redhat.com>
908 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
910 2006-10-18 Jan Hubicka <jh@suse.cz>
913 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
916 2006-10-18 Marcin Dalecki <martin@dalecki.de>
918 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
919 TSI_SAME_STMT, since that's the desired entity.
921 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
923 * config/s390/contraints.md: New file.
924 * config/s390/s390-protos.h (s390_mem_constraint,
925 s390_O_constraint_str, s390_N_constraint_str,
926 s390_float_const_zero_p): Function prototypes added.
927 * config/s390/s390.c (s390_extra_constraint_str,
928 s390_const_double_ok_for_constraint_p,
929 s390_const_ok_for_constraint_p): Functions removed.
930 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
931 s390_float_const_zero_p): New functions.
932 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
933 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
934 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
935 Macro definitions removed.
936 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
937 s390_extra_constraint_str): Functions removed.
939 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
940 Richard Sandiford <richard@codesourcery.com>
943 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
944 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
946 2006-10-16 Geoffrey Keating <geoffk@apple.com>
948 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
949 (DWARF2_FRAME_REG_OUT): Likewise.
950 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
951 (DWARF2_FRAME_REG_OUT): Likewise.
953 2006-10-17 Paul Brook <paul@codesourcery.com>
955 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
957 2006-10-16 Brooks Moses <bmoses@stanford.edu>
959 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
960 Standardize on "GNU Fortran" as the official name of the Fortran
963 2006-10-16 Mike Stump <mrs@apple.com>
965 * doc/invoke.texi (Darwin Options): Document -mkernel.
966 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
968 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
969 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
970 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
971 (OS_MISSING_ALTIVEC): Add.
972 * config/i386/i386.c (override_options): Add
973 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
974 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
975 -mkernel, -static or -mdynamic-no-pic is given.
976 (C_COMMON_OVERRIDE_OPTIONS): Add.
977 * config/darwin.opt (fapple-kext): Add.
979 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
980 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
982 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
983 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
984 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
985 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
986 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
988 (flag_apple_kext): Add.
989 (TARGET_KEXTABI): Add.
990 * config/darwin.c (darwin_handle_kext_attribute): Add.
991 (DARWIN_VTABLE_P): Add.
992 (darwin_binds_local_p): Add partial support for rebinding vtables
994 (darwin_kextabi_p): Add.
995 (darwin_override_options): Add.
996 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
997 (darwin_kextabi_p): Add.
998 (darwin_override_options): Add.
999 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1000 __DYNAMIC__ and __STATIC__ here.
1002 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1004 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1005 Added mention of "make pdf" target, and Texinfo requirements for
1008 2006-10-16 DJ Delorie <dj@redhat.com>
1010 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1011 into the GOT in case we need a subreg of the address.
1013 2006-10-16 Richard Guenther <rguenther@suse.de>
1016 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1017 SSE builtin documentation. Document SSE2 builtins.
1019 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1021 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1022 symbol in the output file for non-shared links when -nostdlib or
1023 -nodefaultlibs isn't specified.
1025 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1026 posix thread support.
1028 2006-10-15 Jan Hubicka <jh@suse.cz>
1031 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1032 declared always_inline even when not inlining.
1034 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1035 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1036 Andrew Pinski <pinskia@gmail.com>
1039 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1041 2006-10-15 Jan Hubicka <jh@suse.cz>
1042 Richard Guenther <rguenther@suse.de>
1045 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1046 process_function_and_variable_attributes on all variables, including
1047 those discovered during cgraph construction phase.
1049 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1051 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1053 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1055 * config/i386/athlon.md (athlon_fist): Add fisttp.
1057 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1058 Ian Lance Taylor <ian@airs.com>
1061 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1062 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1065 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1067 * config/score/score.c, config/score/score.h: Fix comment
1070 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1073 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1076 2006-10-13 Eric Christopher <echristo@apple.com>
1078 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1080 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1083 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1084 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1085 alignment supported by 32-bit ELF.
1087 2006-10-13 Eric Christopher <echristo@apple.com>
1089 * config/darwin.c (darwin_emit_unwind_label): Strip
1090 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1092 2006-10-13 Richard Guenther <rguenther@suse.de>
1094 PR tree-optimization/29446
1095 * tree-vrp.c (fix_equivalence_set): Remove.
1096 (extract_range_from_assert): Do not call fix_equivalence_set.
1097 (debug_value_range): Print a newline.
1098 (compare_name_with_value): For equivalence sets with
1099 inconsistent value ranges conservatively bail out.
1100 (compare_names): Likewise.
1102 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1104 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1105 and MPFR for gfortran.
1107 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1109 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1110 alignment supported by 32-bit ELF.
1112 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1116 * c-typeck.c (digest_init): Always allow initializing vectors
1117 that have static storage duration with compound literals.
1118 * tree.c (build_type_attribute_qual_variant): New, based on
1119 build_type_attribute_variant.
1120 (build_type_attribute_variant): Rewrite using the former.
1121 (make_vector_type): Use build_type_attribute_qual_variant to build
1122 type variants. Use type_hash_canon on the others.
1124 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1125 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1127 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1129 2006-10-12 Jan Hubicka <jh@suse.cz>
1132 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1133 current_function_decl is set but current_function_scope is not.
1135 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1137 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1138 emit_insn to emit eh_return_internal instruction.
1139 (eh_return_internal): Explicitly set pc.
1141 2006-10-11 Richard Guenther <rguenther@suse.de>
1143 PR tree-optimization/28230
1144 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1145 to the correct place.
1147 2006-10-11 Richard Guenther <rguenther@suse.de>
1150 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1153 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1155 * configure.ac: Added pdf to "Make-hooks"
1156 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1157 targets and *.pdf file patterns in cleanup targets.
1158 * configure: Regenerated.
1160 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1162 * config/avr/predicates.md: New file.
1163 * config/avr/avr.md: Include it.
1164 (REG_SP): New constant.
1165 (peepholes): Use predicates.
1166 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1167 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1168 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1170 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1172 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1175 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1178 * builtins.c (var_decl_component_p): New function.
1179 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1180 single entry optimization to variables and components thereof.
1182 2006-10-10 Richard Guenther <rguenther@suse.de>
1184 PR rtl-optimization/29323
1185 * except.c (set_nothrow_function_flags): For functions
1186 that do not bind local bail out early.
1188 2006-10-10 Ben Elliston <bje@au.ibm.com>
1190 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1193 2006-10-09 Richard Henderson <rth@redhat.com>
1195 Revert emutls patch.
1197 2006-10-09 Richard Guenther <rguenther@suse.de>
1200 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1203 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1206 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1207 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1208 * configure: Regenerate.
1209 * config.in: Regenerate.
1211 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1213 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1215 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1217 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1218 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1219 Remove stray newline.
1221 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1223 * config/mips/mips.c (mips_classify_symbol): Do not return
1224 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1225 (mips_in_small_data_p): Tweak comments.
1227 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1229 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1231 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1233 * gimplify.c, sched-int.h: Fix comment typos.
1235 * sched-int.h: Fix comment typos.
1237 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1239 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1241 * sched-ebb.c (begin_schedule_ready): Use them.
1242 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1243 add_to_speculative_block, create_check_block_twin, speculate_insn,
1244 fix_jump_move, move_block_after_check): Ditto.
1245 * sched-rgn.c (new_ready): Ditto.
1247 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1249 PR rtl-optimization/29128
1250 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1251 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1252 allow interblock movement of speculation checks.
1254 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1257 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1258 casted to integer type.
1259 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1260 if they are significantly more expensive than [reg + index] ones.
1262 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1264 PR tree-optimization/29330
1265 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1266 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1267 on newly allocated ddrs.
1268 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1269 to VEC (loop_p, heap) pointer.
1270 (compute_data_dependences_for_loop): Adjust caller.
1271 (free_dependence_relations): Free DDR_LOOP_NEST.
1273 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1274 free DEPENDENCE_RELATIONS and DATAREFS.
1277 * builtins.c (expand_builtin_sync_operation,
1278 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1279 Use convert_to_mode to handle promoted arguments.
1281 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1283 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1285 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1287 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1289 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1291 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1292 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1293 Use <modeconstraint> instead of "r" as operand 1 constraint.
1295 2006-10-06 Olivier Hainque <hainque@adacore.com>
1297 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1298 Don't recurse on the pointed-to type.
1299 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1300 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1301 types with components of variable size.
1303 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1305 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1307 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1309 PR tree-optimization/29290
1310 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1314 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1315 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1318 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1319 the number of vector elements fill the rest with zeros.
1321 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1323 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1324 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1327 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1329 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1330 unnamed pattern into subsi3. Use correct constraints/predicates.
1331 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1332 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1334 2006-10-05 Ira Rosen <irar@il.ibm.com>
1336 * doc/loop.texi: Add data references analysis description.
1338 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1340 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1342 2006-10-04 Richard Henderson <rth@redhat.com>
1343 Jakub Jelinek <jakub@redhat.com>
1345 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1346 * builtin-types.def (BT_WORD): Make unsigned.
1347 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1348 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1349 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1350 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1351 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1352 * cgraph.c (decide_is_variable_needed): Look at force_output.
1353 Recurse for emulated tls.
1354 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1355 checks redundant with decide_is_variable_needed.
1356 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1357 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1359 * expr.c (emutls_var_address): New.
1360 (expand_expr_real_1): Expand emulated tls.
1361 (expand_expr_addr_expr_1): Likewise.
1362 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1363 * output.h (emutls_finish): Declare.
1364 * toplev.c (compile_file): Call it.
1365 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1366 address before wrapping in CONST.
1367 * varasm.c (emutls_htab, emutls_object_type): New.
1368 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1369 (get_emutls_object_name, get_emutls_object_type): New.
1370 (get_emutls_init_templ_addr, emutls_decl): New.
1371 (emutls_common_1, emutls_finish): New.
1372 (assemble_variable): When emulating tls, swap decls; generate
1373 constructor for the emutls objects.
1374 (do_assemble_alias): When emulating tls, swap decl and target name.
1375 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1377 * emutls.c: New file.
1378 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1379 tls_object for real tls.
1381 2006-10-04 Zack Weinberg <zackw@panix.com>
1383 Fix bug in constraint-check generator, reported by Rask Ingemann
1385 * genpreds.c (add_constraint): Don't remove anything from the
1387 (write_tm_constrs_h): Detect whether "op" argument is used, and
1388 mark it ARG_UNUSED if it isn't.
1389 (write_insn_const_int_ok_for_constraint): Skip the part of the
1390 expression that would test whether "op" (which is not available
1391 here) is a CONST_INT.
1393 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1396 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1398 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1400 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1401 current Leopard versions.
1402 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1404 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1406 * doc/install.texi: Fix typos.
1408 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1410 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1411 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1412 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1414 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1416 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1417 arg to be struct mach_header_64* instead.
1419 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1422 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1423 side effects after the outer expression's post side effects.
1425 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1427 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1428 comments to reflect actual behavior and relationship between
1429 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1431 * doc/c-tree.texi (Working with declarations): Fix documentation
1432 of FIELD_DECL likewise.
1434 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1437 * doc/extend.texi: Add used variable attribute description.
1439 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1442 * c.opt (Woverride-init): New.
1443 * c-opts.c (c_common_post_options): Default warn_override_init to
1445 * c-typeck.c (add_pending_init, output_init_element): Warn for
1446 overriding initializers without side effects.
1447 * doc/invoke.texi (-Woverride-init): Document.
1450 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1452 PR rtl-optimization/28096
1453 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1454 assignment has already been used as a destination earlier in the block.
1456 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1458 * builtins.c (expand_builtin_setjmp): Delete.
1459 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1460 <BUILT_IN_SETJMP_SETUP>: New case.
1461 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1462 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1463 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1464 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1465 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1466 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1467 (lower_function_body): Initialize it to false. If it is set to true
1468 at the end of the processing, emit the setjmp dispatcher.
1469 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1470 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1471 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1472 on the rhs of the assignment.
1473 (lower_builtin_setjmp): New function.
1474 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1475 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1476 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1477 to detect calls that can go to non-local labels. Use specific
1478 helper to create the abnormal edges associated with them.
1479 <MODIFY_EXPR>: Likewise.
1480 (make_abnormal_goto_edges): New function extracted from...
1481 (make_goto_expr_edges): ...here. Call it for computed gotos.
1482 (simple_goto_p): Minor tweak.
1483 (tree_can_make_abnormal_goto): New predicate.
1484 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1485 (tree_purge_dead_abnormal_call_edges): New function.
1486 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1487 (tree_purge_dead_abnormal_call_edges): Likewise.
1488 (make_abnormal_goto_edges): Likewise.
1489 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1490 Purge all dead abnormal edges if the call was in the last statement.
1491 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1492 (execute_fixup_cfg): If there are non-local labels in the function,
1493 scan the basic blocks and split them at calls that can go to non-local
1494 labels or add missing abnormal call edges. Write down the CFG in the
1496 (pass_fixup_cfg): Remove TODO_dump_func flag.
1497 * unwind-sjlj.c: Poison setjmp.
1498 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1499 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1500 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1501 (DONT_USE_BUILTIN_SETJMP): Document it.
1503 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1506 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1507 to 1 when __ppc64__ is defined.
1508 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1510 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1512 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1514 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1515 * config/ia64/unwind-hpux.c: Delete.
1517 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1519 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1520 on the element before gimplifying it, instead of punting if it is of
1523 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1525 * doc/loop.texi: New file.
1526 * doc/gccint.texi: Reference loop.texi.
1527 * Makefile.in (loop.texi): Add.
1529 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1531 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1533 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1534 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1536 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1538 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1540 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1542 * doc/install.texi: Document required versions of GMP and MPFR.
1544 2006-09-27 Paul Brook <paul@codesourcery.com>
1547 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1549 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1551 * reload1.c (alter_reg): Require the alignment of the stack slot to
1552 be at least reg_max_ref_width bytes.
1553 (scan_paradoxical_subregs): Record the largest width in
1556 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1560 * tree-nested.c (struct nesting_info): Added static_chain_added.
1561 (convert_call_expr): Set static_chain_added when adding static
1562 chain. Handle OMP_PARALLEL and OMP_SECTION.
1564 2006-09-25 Matthias Klose <doko@debian.org>
1566 * doc/invoke.texi: Add missing full stop.
1568 2006-09-25 Richard Henderson <rth@redhat.com>
1570 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1571 before cgraph_function_flags_ready.
1573 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1574 Adam Nemet <anemet@caviumnetworks.com>
1576 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1577 determine_common_wider_type): New functions.
1578 (get_computation_aff): Use them to simplify arithmetic between
1579 UBASE and CBASE if they are shortened from the same type.
1581 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1584 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1585 -2147483647 - 1 instead of 0x80000000.
1587 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1589 * flags.h (HONOR_NANS): Fix typo in comment.
1591 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1593 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1595 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1599 * tree.c (merge_attributes, attribute_list_contained): If both
1600 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1602 * c-typeck.c (comptypes_internal): Don't consider aggregates
1603 in different TUs as compatible if there one set of attributes is
1604 not a subset of the other type's attributes.
1605 (composite_type): Try harder not to create a new aggregate type.
1607 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1609 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1610 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1611 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1612 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1613 than replicating condition above.
1614 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1616 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1617 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1618 the linker by default.
1620 2006-09-22 Mike Stump <mrs@apple.com>
1622 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1625 2006-09-22 Richard Guenther <rguenther@suse.de>
1628 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1629 sort of stack variables stable.
1631 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1634 * explow.c (force_reg): Set REG_POINTER flag according to
1637 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1639 PR tree-optimization/28888
1640 * tree-if-conv.c (combine_blocks): Rewritten.
1641 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1642 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1644 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1646 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1649 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1651 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1653 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1655 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1657 2006-09-21 Roger Sayle <roger@eyesopen.com>
1660 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1661 dw_fde_current_label, to be the start of the function, i.e. the same
1662 value as dw_fde_begin.
1664 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1666 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1667 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1668 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1669 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1670 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1671 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1672 (abs<mode>2, neg<mode>2): Likewise.
1673 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1674 (*mips_abs_ps): New define_insn.
1676 2006-09-20 Josh Conner <jconner@apple.com>
1679 * calls.c (expand_call): Allow reuse of structure return stack
1682 2006-09-20 Paul Brook <paul@codesourcery.com>
1684 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1687 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1689 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1690 clean up terminology.
1692 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1695 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1696 with tablejumps in them.
1698 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1701 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1702 wrap it into TARGET_EXPR.
1704 2006-09-20 Eric Christopher <echristo@apple.com>
1706 * config/i386/i386.c (x86_fisttp): Remove.
1707 * config/i386/i386.h (x86_fisttp): Ditto.
1708 (TARGET_FISTTP): Ditto.
1710 2006-09-19 Eric Christopher <echristo@apple.com>
1712 * doc/tm.texi (OBJC_JBLEN): Describe.
1713 * config/i386/darwin.h (OBJC_JBLEN): Define.
1714 * config/rs6000/darwin.h: Ditto.
1716 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1718 PR rtl-optimization/21299
1719 * reload1.c (reload): Purge invalid ASMs in the final pass.
1721 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1724 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1725 pointers as legitimate constants.
1727 2006-09-19 Paul Brook <paul@codesourcery.com>
1730 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1732 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1734 PR tree-optimization/28887
1735 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1736 component parts from the reference.
1737 (gather_memory_references_ref): Record the reference without the
1738 nonaddressable component parts.
1740 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1743 * c-opts.c (c_common_handle_option): Ignore the -std options
1744 if the input language is assembly.
1746 2006-09-17 Ira Rosen <irar@il.ibm.com>
1749 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1751 (ptr_ptr_may_alias_p): Likewise.
1752 (record_record_differ_p): New function.
1753 (base_object_differ_p): Call record_record_differ_p.
1755 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1758 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1759 away for the expr argument.
1761 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1764 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1765 before using it for dumping after vectorizing loops.
1767 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1768 Jack Howarth <howarth@bromo.med.uc.edu>
1771 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1772 skip on error_mark_node.
1773 (rs6000_darwin64_record_arg_recurse): Likewise.
1775 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1777 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1778 * doc/rtl.texi: Remove related documentation.
1780 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1782 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1785 2006-09-15 Jim Wilson <wilson@specifix.com>
1787 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1788 Handle symbol offsets same as they are handled in ia64_expand_move
1791 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1793 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1794 Add forgotten parameter to the fprintf call.
1796 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1798 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1800 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1802 * doc/contrib.texi: Add my entry.
1804 2006-09-15 Nick Clifton <nickc@redhat.com>
1806 * doc/md.texi (Processor pipeline description): Fix typo in
1807 example of how to use the absence_set directive and reword the
1808 description to make it slightly easier to read.
1810 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1812 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1813 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1814 expanding the number of iterations.
1815 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1817 * cfgrtl.c (emit_insn_at_entry): New function.
1818 * rtl.h (emit_insn_at_entry): Declare it.
1819 * integrate.c (emit_initial_value_sets): Use it.
1821 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1823 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1825 (struct loop_work and related VEC declarations): Delete.
1826 (bfin_dump_loops): Print out new member bad.
1827 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1828 (bfin_scan_loop): Don't recurse.
1829 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1830 loops. No longer need to update outer loops if the current one is
1831 found bad. Move some validitiy checks to bfin_discover_loop.
1832 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1833 but changed not to check for nesting. Also changed to use the new bad
1835 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1836 time. Use bitmap based test to discover loop nesting.
1838 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1840 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1843 2006-09-14 Richard Guenther <rguenther@suse.de>
1844 Kazu Hirata <kazu@codesourcery.com>
1846 PR middle-end/28884.
1847 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1848 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1849 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1850 with TARGET_FUNCTION_VALUE.
1852 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1855 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1857 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1859 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1862 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1865 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1868 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1870 * basic_block.h (bb_has_eh_pred): Fix comment.
1872 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1874 * flow.c (calculate_global_regs_live): Invalidate eh registers
1875 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1876 (propagate_block): Handle eh registers as if they were set at basic
1878 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1880 * global.c (global_conflicts): Make eh registers to conflict with
1881 pseudos live at basic block begin.
1882 * basic_block.h (bb_has_eh_pred): New function.
1884 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1886 PR rtl-optimization/28982
1887 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1888 index of a PRE_MODIFY or POST_MODIFY address.
1889 * reload1.c (inc_for_reload): Use find_replacement on the original
1890 base and index registers.
1892 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1894 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1895 for -Os. Update __m128 alignment requirement.
1897 2006-09-13 Jan Hubicka <jh@suse.cz>
1899 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1901 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1903 PR rtl-optimization/28243
1904 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1905 the insn to which the note was originally attached.
1907 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1908 Roger Sayle <roger@eyesopen.com>
1910 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1911 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1912 on platforms that don't use dwarf for debug info.
1914 2006-09-12 Jason Merrill <jason@redhat.com>
1917 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1918 hard_frame_pointer_rtx after using it to update the frame pointer.
1920 2006-09-12 Roger Sayle <roger@eyesopen.com>
1922 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1923 (TARGET_ASM_CLOSE_PAREN): Likewise.
1924 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1925 (TARGET_ASM_CLOSE_PAREN): Likewise.
1927 2006-09-12 Roger Sayle <roger@eyesopen.com>
1930 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1931 frame information for frames larger than 512 Kbytes on Tru64 when
1932 using the native assembler.
1934 2006-09-12 Roger Sayle <roger@eyesopen.com>
1938 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1939 and symbols. Instead use the implementation from cse.c's hash_rtx.
1941 2006-09-12 Jan Hubicka <jh@suse.cz>
1943 PR rtl-optimization/28071
1944 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1945 (vect_transform_loop): Likewise.
1946 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1947 (new_loop_vec_info): Likewise.
1948 (destroy_loop_vec_info): Likewise.
1949 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1950 (create_stmt_ann): Likewise.
1951 (create_tree_ann): Rename to ...
1952 (create_tree_common_ann): ... this one; allocate only the common part
1954 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1955 (get_value_handle): Likewise.
1956 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1957 get_tree_common_ann.
1958 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1959 (vinfo_for_stmt): Use stmt annotations.
1960 * tree-flow.h (tree_ann_common_t): New type.
1961 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1962 (tree_ann, get_tree_ann, create_tree_ann): New.
1963 * tree-flow-inline.h (get_function_ann): Do more type checking.
1964 (stmt_ann): Likewise.
1965 (tree_ann): Rename to ...
1966 (tree_common_ann): ... this one; return ony common_ann
1967 (get_tree_ann): Rename to ...
1968 (tree_common_ann): This one; return only common_ann.
1969 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1972 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1974 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1975 with_cpu by default.
1977 * dwarf2out.c (dwarf_file_data): New.
1978 (enum dw_val_class): Add dw_val_class_file.
1979 (struct dw_val_struct): Add val_file.
1980 (file_table): Change to a hash table.
1981 (file_table_emitted): Delete.
1982 (file_table_last_lookup_index): Delete.
1983 (emitcount): Delete.
1984 (last_emitted_file): New.
1985 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1986 (init_file_table): Delete.
1987 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1988 (AT_addr): Add comment.
1992 (print_die): Handle dw_val_class_file.
1993 (print_dwarf_line_table): Update for new file table structure.
1994 (attr_checksum): Do checksum a filename.
1995 (same_dw_val_p, same_attr_p): Do compare a filename.
1996 (size_of_die): Handle dw_val_class_file.
1997 (value_format): Likewise.
1998 (output_die): Likewise. Also, call maybe_emit_file here.
1999 (struct file_info): Constify filenames. Make file_idx a pointer
2000 to a struct dwarf_file_data.
2001 (struct dir_info): Constify directory names. Remove 'used' field.
2002 (struct file_name_acquire_data): New.
2003 (file_name_acquire): New.
2004 (output_file_names): Modify to handle new file data structures.
2005 (add_src_coords_attributes): Use add_AT_file.
2006 (add_call_src_coords_attributes): Likewise.
2007 (dwarf2out_imported_module_or_decl): Likewise.
2008 (gen_subprogram_die): Modify for new file data structures.
2009 (gen_variable_die): Likewise.
2010 (file_table_eq): New.
2011 (file_table_hash): New.
2012 (file_table_last_lookup): New.
2013 (lookup_filename): Rewrite to handle new file data structures.
2014 (maybe_emit_file): Rewrite to handle new file data structures.
2015 (dwarf2out_source_line): Always call lookup_filename and
2017 (dwarf2out_init): Create file_table here.
2018 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2019 (file_table_relative_p): New.
2020 (dwarf2out_finish): Change detection of relative filenames
2021 to work with new file data structures. Move output_line_info call
2022 after debug_info output.
2024 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2029 * config/i386/i386.c (override_options): Always default to 16
2030 byte stack boundary.
2032 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2035 * var-tracking.c (dump_dataflow_set): Start dumping at
2037 (clobber_variable_part): Kill only the variable part in
2038 registers holding it, leaving other variables alone.
2040 2006-09-11 Josh Triplett <josh@freedesktop.org>
2042 * doc/extend.texi (Other Builtins): Actually use the macro
2043 argument in the documentation example for
2044 __builtin_types_compatible_p.
2046 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2048 PR rtl-optimization/28726
2049 * sched-deps.c (sched_analyze_reg): New function extracted from...
2050 (sched_analyze_1): ...here. Call it to analyze references to
2051 registers. Treat again writes to a stack register as writing to the
2053 (sched_analyze_2): ...and here. Call it to analyze references to
2054 registers. Treat again reads of a stack register as reading the
2057 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2058 David Edelsohn <edelsohn@gnu.org>
2061 * config/rs6000/spe.md (frob_df_di): Remove %H.
2062 (frob_di_df): Remove %H. Change evmergelo to mr.
2063 (frob_di_df_2): Remove %H. Change evldd to two loads.
2065 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2067 * doc/cpp.texi: Fix names of charset options.
2069 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2072 * config/i386/i386.c (override_options): Use 128-bit
2073 stack boundary always for 64bits.
2075 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2077 PR rtl-optimization/28636
2078 * combine.c (force_to_mode): Test for side-effects before
2079 substituting by zero.
2080 (simplify_shift_const): Likewise for zero or other constants.
2082 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2085 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2088 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2091 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2092 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2093 returned by mode_for_size, rather than the mode of src itself,
2094 to choose between 32-bit and 64-bit patterns.
2095 (mips_mem_fits_mode_p): New function.
2096 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2097 that the size of the source matches the size of the destination.
2098 (mov_<store>l, mov_<store>r): Likewise.
2100 2006-09-10 Eric Christopher <echristo@apple.com>
2102 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2105 2006-09-09 Eric Christopher <echristo@apple.com>
2108 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2111 2006-09-09 Roger Sayle <roger@eyesopen.com>
2112 Nicolas Setton <setton@adacore.com>
2114 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2116 2006-09-10 Andreas Schwab <schwab@suse.de>
2118 * config/m68k/m68k.md (bungt_rev): New pattern.
2120 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2121 Dale Johannesen <dalej@apple.com>
2124 * regclass.c (struct reg_pref): Update documentation.
2125 (regclass): Set prefclass to NO_REGS if memory is the best option.
2126 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2128 2006-09-08 Eric Christopher <echristo@apple.com>
2130 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2131 * config/t-slibgcc-darwin: Support x86_64 multilib.
2132 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2133 Return 1 for x86_64-darwin.
2134 * config/i386/t-darwin: Add m64 multilib.
2135 (LIB2_SIDITI_CONV_FUNCS): Use.
2136 (LIB2FUNCS_EXTRA): Ditto.
2137 * config/i386/darwin.h: Support x86_64.
2138 * config/i386/i386.c (override_options): Turn on flag_pic
2139 for x86_64-darwin. Disable flag_omit_pointer.
2140 (get_pc_thunk_name): Assert !TARGET_64BIT.
2141 (legitimate_address_p): Disable machopic addressing for
2143 (legitimize_pic_address): Ditto.
2144 (ix86_expand_move): Ditto.
2145 (ix86_expand_call): Ditto.
2146 (machopic_output_stub): Ditto.
2147 * config/darwin.c (machopic_select_section): Support literal16.
2148 (machopic_select_rtx_section): Ditto.
2149 * config/darwin-sections.def: Ditto.
2150 * config/darwin-64.c: New.
2152 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2155 * c-tree.h (struct c_arg_info): Add pending_sizes.
2156 * c-parser.c (c_parser_parms_declarator,
2157 c_parser_parms_list_declarator): Initialize pending_sizes.
2158 * c-decl.c (get_parm_info): Initialize pending_sizes.
2159 (get_parm_info): Set pending_sizes.
2160 (grokdeclarator): Call put_pending_sizes for parameters for
2161 function definition only.
2163 2006-09-07 Jason Merrill <jason@redhat.com>
2166 * varasm.c (output_constant): Only strip actual no-op conversions.
2169 * config/i386/i386.c (override_options): Use 128-bit
2170 stack boundary if -msse.
2172 2006-09-07 Eric Christopher <echristo@apple.com>
2174 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2176 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2179 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2181 * dwarf2out.c: Remove strange characters from comment above
2182 dwarf2out_frame_debug_expr.
2184 2006-09-07 Eric Christopher <echristo@apple.com>
2186 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2187 * config/darwin.h: ... to here.
2189 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2191 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2193 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2194 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2196 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2197 TARGET_PARTIAL_FLAG_REG_STALL.
2198 (*ashldi3_cconly_rex64): Likewise.
2199 (*ashlsi3_cmp): Likewise.
2200 (*ashlsi3_cconly): Likewise.
2201 (*ashlsi3_cmp_zext): Likewise.
2202 (*ashlhi3_cmp): Likewise.
2203 (*ashlhi3_cconly): Likewise.
2204 (*ashlqi3_cmp): Likewise.
2205 (*ashlqi3_cconly): Likewise.
2206 (*ashrdi3_cmp_rex64): Likewise.
2207 (*ashrdi3_cconly_rex64): Likewise.
2208 (*ashrsi3_cmp): Likewise.
2209 (*ashrsi3_cconly): Likewise.
2210 (*ashrsi3_cmp_zext): Likewise.
2211 (*ashrhi3_cmp): Likewise.
2212 (*ashrhi3_cconly): Likewise.
2213 (*ashrqi3_cmp): Likewise.
2214 (*ashrqi3_cconly): Likewise.
2215 (*lshrdi3_cmp_rex64): Likewise.
2216 (*lshrdi3_cconly_rex64): Likewise.
2217 (*lshrsi3_cmp): Likewise.
2218 (*lshrsi3_cconly): Likewise.
2219 (*lshrsi3_cmp_zext): Likewise.
2220 (*lshrhi3_cmp): Likewise.
2221 (*lshrhi3_cconly): Likewise.
2222 (*lshrqi2_cmp): Likewise.
2223 (*lshrqi2_cconly): Likewise.
2225 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2228 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2229 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2230 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2231 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2232 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2233 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2234 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2235 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2236 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2237 implement only CC setting effects of shift instructions.
2239 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2241 * doc/contrib.texi: Add myself.
2243 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2246 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2247 was set by the user.
2249 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2252 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2253 (divsi_inv_m1): Use them.
2254 (UNSPEC_DIV_INV_TABLE): New constant.
2256 2006-09-06 James E Wilson <wilson@specifix.com>
2259 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2260 then call count_or_remove_death_notes.
2262 2006-09-06 Jason Merrill <jason@redhat.com>
2265 * tree-inline.c (copy_result_decl_to_var): New fn.
2266 (declare_return_variable): Use it. Call declare_inline_vars here.
2267 (expand_call_inline): Not here.
2269 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2271 * doc/contrib.texi: Update my entry.
2273 2006-09-06 Nick Clifton <nickc@redhat.com>
2275 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2277 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2280 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2281 (canonicalize_induction_variables): Likewise.
2282 (tree_unroll_loops_completely): Likewise.
2283 (tree_ssa_prefetch_arrays): Likewise.
2284 (remove_empty_loops): Likewise.
2285 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2286 TODO_cleanup_cfg instead of directly calling
2287 cleanup_tree_cfg_loop.
2288 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2290 (tree_unroll_loops_completely): Likewise.
2291 (remove_empty_loops): Likewise.
2292 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2293 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2294 of tree_ssa_unswitch_loops.
2295 (tree_ssa_loop_ivcanon): Use the return value of
2296 canonicalize_induction_variables.
2297 (tree_ssa_empty_loop): Use the return value of
2299 (tree_complete_unroll): Use the return value of
2300 tree_unroll_loops_completely.
2301 (tree_ssa_loop_prefetch): Use the return value of
2302 tree_ssa_prefetch_arrays.
2303 * passes.c (execute_todo): Before Cleanup CFG, set
2304 updating_used_alone and after cleanup CFG, call
2305 recalculate_used_alone.
2307 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2310 * tree-vect-transform.c (vectorizable_condition): Move the check
2311 for the type after the check for simple condition.
2313 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2314 Kaz Kojima <kkojima@gcc.gnu.org>
2317 * mode-switching.c (optimize_mode_switching): Make the destination
2318 block of an abnormal edge have no anticipatable mode. Don't
2319 insert mode switching code at the end of the source block of
2322 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2324 PR rtl-optimization/26847
2325 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2326 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2327 (simplify_plus_minus): Count n_constants while filling ops. Replace
2328 qsort with insertion sort. Before going through the array to simplify
2329 pairs, sort it. Delay early exit until after the first sort, exiting
2330 only if no swaps occurred. Simplify pairs in reversed order, without
2331 special-casing the first iteration. Pack ops after simplifying pairs.
2333 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2335 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2336 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2337 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2338 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2340 2006-09-05 Richard Guenther <rguenther@suse.de>
2342 PR tree-optimization/28900
2343 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2344 compound conditional before creating COND_EXPR condition.
2346 2006-09-05 Richard Guenther <rguenther@suse.de>
2348 PR tree-optimization/28905
2349 * tree-vrp.c (fix_equivalence_set): Manually implement
2350 !value_ranges_intersect_p to also handle symbolic ranges.
2352 2006-09-05 Richard Guenther <rguenther@suse.de>
2355 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2358 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2360 PR rtl-optimization/27616
2361 * cse.c (table_size): New static variable.
2362 (new_basic_block): Initialize it to 0.
2363 (remove_from_table): Decrement it.
2364 (insert): Increment it.
2365 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2366 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2367 fold_rtx_mem_1 if under the cap.
2368 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2369 the lookup of the equivalent expression and test for equality of the
2370 first operand of the equivalent expression before in turn looking up
2371 an equivalent constant for the second operand.
2373 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2376 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2377 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2378 pointer, instead of assuming it is possible to derive the
2379 correct args size from a call insn.
2381 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2384 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2385 (fold_builtin_mempcpy): Rename to...
2386 (fold_builtin_memory_op): ... this. Optimize one element copy
2388 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2390 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2391 (expand_builtin_memcpy, expand_builtin_mempcpy,
2392 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2393 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2394 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2395 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2397 2006-09-01 DJ Delorie <dj@redhat.com>
2399 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2400 (stzx_16): Likewise.
2401 ("stzx_24_<mode>"): Likewise.
2402 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2403 ("cmp<mode>_op"): New.
2404 (cmp<mode>): Change to expander; just save operands.
2406 (b<code>): Change to expander, emit compare here.
2407 (s<code>_op): Change to use split and expander.
2408 (s<code>_24_op): Likewise.
2409 (s<code>_<mode>): New.
2410 (s<code>_<mode>_24): New.
2411 (movqicc_<code>_<mode): New.
2412 (movhicc_<code>_<mode>): New.
2415 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2416 (m32c_pend_compare): New.
2417 (m32c_unpend_compare): New.
2418 (m32c_expand_scc): New.
2419 (m32c_expand_movcc): Emit the compare also.
2420 * config/m32c/predicates.md (mra_nopp_operand): New.
2422 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2423 Richard Guenther <rguenther@suse.de>
2424 Adam Nemet <anemet@caviumnetworks.com>
2427 * builtins.c (get_pointer_alignment): Handle more forms
2428 of base addresses that can be used to derive more precise
2429 information about alignment.
2431 2006-09-01 Jason Merrill <jason@redhat.com>
2434 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2437 * gimplify.c (voidify_wrapper_expr): Handle null type.
2439 2006-09-01 Josh Conner <jconner@apple.com>
2442 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2443 (execute_return_slot_opt): Use it.
2445 2006-08-31 Josh Conner <jconner@apple.com>
2448 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2449 returning aggregates.
2451 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2453 PR tree-optimization/28839
2454 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2455 blocks in that phi arguments appear.
2457 2006-08-31 Roger Sayle <roger@eyesopen.com>
2460 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2461 NULL, otherwise use an advance_loc4 to adjust relative to the
2463 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2464 (dwarf2out_switch_text_section): Reset the current label to avoid
2465 using advance_loc4 over section boundaries.
2467 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2470 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2471 r12 + SYMBOLIC_CONST.
2473 2006-08-30 Richard Guenther <rguenther@suse.de>
2475 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2477 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2479 PR rtl-optimization/27735
2480 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2481 Add new argument to keep track of whether an irreducible region
2482 was affected. All callers changed.
2483 (fix_irreducible_loops): Removed.
2484 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2485 flags were invalidated.
2487 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2489 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2490 instead of SF operands.
2491 (*fop_df_comm_sse): Likewise.
2492 (*fop_df_comm_i387): Likewise.
2493 (*fop_df_1_mixed): Likewise.
2494 (*fop_df_1_sse): Likewise.
2496 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2497 J"orn Rennecke <joern.rennecke@st.com>
2499 PR tree-optimization/17506
2500 * tree-ssa.c (warn_uninit): If warning about a location outside of
2501 the current function, note where the variable was declared.
2503 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2505 PR tree-optimization/28411
2506 * double-int.c (double_int_div): Use double_int_divmod.
2507 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2508 double_int_mod, double_int_smod, double_int_umod): New functions.
2509 * double-int.h (double_int_divmod, double_int_sdivmod,
2510 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2512 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2514 (get_computation_aff, get_computation_cost_at): Handle double_int
2515 return type of constant_multiple_of.
2517 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2520 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2521 an implicit conversion.
2523 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2525 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2527 2006-08-27 Roger Sayle <roger@eyesopen.com>
2529 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2532 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2534 * config/i386/crtfastmath.c: Fix a comment typo.
2536 2006-08-26 Roger Sayle <roger@eyesopen.com>
2538 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2539 temporary visit flags on CASE_LABEL_EXPRs.
2540 * c-common.c (match_case_to_enum): Add function comment. Avoid
2541 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2542 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2543 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2544 a constant, only warn if that constant value isn't handled.
2546 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2549 * input.h (restore_input_file_stack): Declare.
2550 (INPUT_FILE_STACK_BITS): Define.
2551 * toplev.c (fs_p, input_file_stack_history,
2552 input_file_stack_restored, restore_input_file_stack): New.
2553 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2554 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2555 (pop_srcloc): Don't free old state of stack.
2557 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2560 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2561 (PowerPC Type Attributes): New.
2563 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2565 * config/xtensa/xtensa.c (function_arg_boundary): New.
2566 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2568 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2569 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2571 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2574 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2577 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2579 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2580 (verify_local_live_at_start): Likewise.
2582 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2585 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2586 omp_add_variable): Treat sizes as variable whenever not
2589 2006-08-26 Richard Guenther <rguenther@suse.de>
2592 * fold-const.c (fold_binary): Fold temporary to correct
2593 type before constructing new comparison.
2595 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2598 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2599 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2601 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2604 * c-decl.c (start_function): Don't try to process prototype
2605 information from old declaration that isn't a function.
2607 2006-08-25 Jan Hubicka <jh@suse.cz>
2610 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2612 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2615 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2618 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2620 PR tree-optimization/16876
2621 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2622 exit if PARM doesn't match VALUE.
2624 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2626 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2627 literal_prefix directive.
2628 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2629 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2630 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2632 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2635 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2636 predicate to general_operand. Add 0->y and I->r alternatives.
2638 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2640 * doc/tm.texi: Fix a typo.
2641 * predict.c: Fix comment typos.
2643 2006-08-25 Nick Clifton <nickc@redhat.com>
2645 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2646 assertions of "cpu" and "machine".
2648 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2651 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2652 the access through a base which has an alias set of 0 cannot
2655 2006-08-24 Bill Wendling <wendling@apple.com>
2657 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2659 2006-08-24 Jan Hubicka <jh@suse.cz>
2661 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2663 2006-08-24 Jan Hubicka <jh@suse.cz>
2666 * cgraph.c: Fix comments.
2667 (cgraph_varpool_mark_needed_node): Mark only variables not already
2669 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2670 (cgraph_varpool_assembled_nodes_queue): New static variable.
2671 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2672 (cgraph_varpool_output_debug_info): New function.
2673 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2674 * Makefile.in: Add gt-cgraphunit.h
2676 2006-08-24 Jan Hubicka <jh@suse.cz>
2678 * predict.c (probability_reliable_p): New predicate.
2679 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2680 (predict_loops): Do not predict loop exit with less than 2%
2682 * basic-block.h (edge_probability_reliable_p,
2683 br_prob_note_reliable_p): Declare.
2684 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2685 prediction when static predictor is not reliable.
2686 * rs6000.c (output_cbranch): Likewise.
2688 2006-08-23 Stuart Hastings <stuart@apple.com>
2691 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2692 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2694 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2697 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2698 complex values, nor for generic vector values.
2700 2006-08-22 Richard Guenther <rguenther@suse.de>
2703 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2704 parameter. Convert arguments to arithmetic expression to the
2706 (analyze_scalar_evolution_1): Adjust caller.
2708 2006-08-22 Jan Hubicka <jh@suse.cz>
2710 Patch by Paolo Bonzini
2711 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2714 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2716 PR tree-optimization/28003
2717 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2718 before grouping aliases.
2720 2006-08-22 Roger Sayle <roger@eyesopen.com>
2722 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2723 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2725 2006-08-21 Jason Merrill <jason@redhat.com>
2728 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2729 wrapper. Loop to handle nested wrappers.
2730 (gimplify_bind_expr): Remove temp parameter.
2731 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2732 and STATEMENT_LIST on the rhs.
2733 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2734 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2735 (gimplify_target_expr): Remove special BIND_EXPR handling.
2737 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2739 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2742 2006-08-21 Olivier Hainque <hainque@adacore.com>
2744 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2745 Arrange for the temporary captures of components overlapping the lhs
2746 to happen before the lhs is possibly cleared.
2748 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2750 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2751 necessary places to pass the correct "number of registers" values
2754 2006-08-20 Jan Hubicka <jh@suse.cz>
2756 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2757 (create_name_tags): Instead of quadratic checking use hashtable.
2758 * bitmap.h: Include hashtab.h.
2759 (bitmap_hash): Declare.
2760 * bitmap.c (bitmap_hash): New function.
2762 2006-08-20 Jan Hubicka <jh@suse.cz>
2764 PR rtl-optimization/28071
2765 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2767 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2768 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2769 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2770 cgraph_decide_inlining_incrementally): Update use of
2771 cgraph_check_inline_limits.
2772 * cgraph.c (edge_hash, edge_eq): New function.
2773 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2774 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2775 cgraph_remove_node): Maintain call site hash.
2776 * cgraph.h (struct cgraph_node): Add call_site_hash.
2777 (cgraph_set_call_stmt): New function.
2779 2006-08-20 Jan Hubicka <jh@suse.cz>
2781 PR rtl-optimization/28071
2782 * reload1.c (reg_has_output_reload): Turn into regset.
2783 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2784 choose_reload_regs, emit_reload_insns): Update to new
2785 reg_has_output_reload.
2787 2006-08-20 Jan Hubicka <jh@suse.cz>
2790 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2791 function body sizes.
2792 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2794 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2797 * tree.c (handle_dll_attribute): Return early if not a
2798 var or function decl.
2800 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2803 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2804 alignment of SPE vector types.
2806 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2808 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2810 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2813 * cgraph.h (struct cgraph_node): Remove externally_visible
2815 * cgraphunit.c (process_function_and_variable_attributes): Set
2816 local.externally_visible rather than externally_visible.
2819 * c-common.c (handle_externally_visible_attribute): First look
2820 at TREE_CODE and only if it is function or var decl, check for
2821 non-public objects. Don't warn for DECL_EXTERNAL.
2822 * cgraphunit.c (process_function_and_variable_attributes): Warn
2823 if externally_visible attribute is used on non-public object.
2825 2006-08-17 Jan Hubicka <jh@suse.cz>
2827 PR tree-optimization/27865
2828 * reload1.c (forget_marked_reloads): New function.
2829 (forget_old_reloads_1): When data are passed, just mark the registers
2831 (reload_as_needed): Use the new mechanizm.
2833 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2836 * reload.h (reg_equiv_alt_mem_list): New declaration.
2837 * reload1.c (reg_equiv_alt_mem_list): New definition.
2838 (reload): Initialize it and release it.
2839 (delete_output_reload): Use it.
2840 * reload.c (push_reg_equiv_alt_mem): New function.
2841 (find_reloads_toplev): Call it.
2842 (find_reloads_address, find_reloads_address_1): Likewise.
2843 (find_reloads_subreg_address): Likewise.
2845 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2847 PR rtl-optimization/28489
2848 * sched-ebb.c (begin_schedule_ready): Create basic block
2850 (advance_target_bb): Skip empty blocks.
2851 * haifa-sched.c (bb_note): Make global.
2852 * sched-int.h (bb_note): Add prototype.
2854 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2856 PR tree-optimization/27865
2857 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2859 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2860 fold_used_pointer, pointer_used_p): New functions.
2861 (analyze_scalar_evolution_1): Use fold_used_pointer.
2862 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2863 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2866 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2869 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2870 or the INTEGER_CST. Fail on a CALL_EXPR.
2871 (fold_offsetof): Pass new argument to fold_offsetof_1.
2872 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2873 operand into an INDIRECT_REF.
2874 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2876 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2878 PR gcov/profile/26570
2879 * value-prof.c (static_values): Removed.
2880 (tree_find_values_to_profile): Do not set static_values.
2881 (find_values_to_profile): Do not free static_values.
2882 * profile.c (instrument_values): Do not free the values.
2883 (branch_prob): Free the values.
2885 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2887 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2889 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2892 * c-typeck.c (build_component_ref): Combine qualifiers of
2893 structure or union and field.
2895 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2897 PR rtl-optimization/28071
2898 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2899 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2900 * tree-into-ssa.c (struct dom_dfsnum): New.
2901 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2903 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2904 compute_global_livein.
2905 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2906 in phi nodes in the correct blocks.
2908 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2910 PR tree-optimization/28364
2911 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2913 (fold_affine_expr): New function.
2914 (may_eliminate_iv): Use fold_affine_expr.
2916 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2919 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2922 2006-08-16 Mike Stump <mrs@apple.com>
2924 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2925 * doc/cppopts.texi (-MD): Likewise.
2927 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2930 * c-common.c (handle_weak_attribute): Ignore and warn if
2931 not a FUNCTION_ or VAR_DECL.
2933 2006-07-15 Mike Stump <mrs@apple.com>
2936 * c-parser.c (c_parser_typeof_specifier): Don't use
2937 c_finish_expr_stmt, open code desired semantics instead.
2939 2006-08-15 Nick Clifton <nickc@redhat.com>
2941 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2942 fragment to tmake_file only if threads are enabled.
2943 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2944 * config/i386/t-gthr-win32: New file. ... here.
2946 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2949 * c-parser.c (c_parser_compound_statement_nostart): Reset
2950 parser->error after each statement.
2952 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2955 * omp-low.c (lower_omp_parallel): Convert t to
2956 receiver_decl's type.
2957 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2958 source before comparison.
2961 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2962 to itype in assignment to oldival2.
2964 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2968 * c-typeck.c (build_compound_expr): If the second expression
2969 is an error mark, then just return an error mark instead of
2970 creating a COMPOUND_EXPR.
2972 2006-07-14 Mike Stump <mrs@apple.com>
2974 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2976 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2978 * c-decl.c, var-tracking.c: Fix comment typos.
2980 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2982 PR rtl-optimization/28634
2983 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2984 for floating-point modes unless flag_unsafe_math_optimizations.
2986 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2987 Andrew Pinski <pinskia@physics.uc.edu>
2990 * tree.c (build_array_type): Unify array types with
2991 unspecified index_type.
2992 * c-decl.c (grokdeclarator): Make sure we do not modify a
2993 unified incomplete array type.
2994 * c-typeck.c (store_init_value): Create distinct type before
2995 filling in the index type in an initializer from a compound
2998 * c-decl.c (grokdeclarator): Remove code where we copy the
3001 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3003 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3004 into account for TODO_dump_cgraph.
3005 (TODO_update_ssa_no_phi): Likewise.
3006 (TODO_update_ssa_full_phi): Likewise.
3007 (TODO_update_ssa_only_virtuals): Likewise.
3008 (TODO_remove_unused_locals): Likewise.
3009 (TODO_set_props): Likewise.
3010 (TODO_update_stmt_usage): Likewise.
3012 2006-08-13 Dirk Mueller <dmueller@suse.de>
3014 * c-common.c (strict_aliasing_warning): Fix formatting.
3016 2006-08-13 Matthias Klose <doko@debian.org>
3018 * doc/invoke.texi: Fix spelling errors.
3020 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3022 PR rtl-optimization/23454
3023 * reorg.c (relax_delay_slots): Update comment.
3025 2006-08-11 Richard Guenther <rguenther@suse.de>
3028 * simplify-rtx.c (simplify_const_relational_operation):
3029 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3032 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3034 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3035 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3037 2006-08-10 Paul Brook <paul@codesourcery.com>
3039 * final.c (final_scan_insn): Clear current_insn_predicate before
3040 outputting inline asm.
3042 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3044 PR tree-optimization/26197
3045 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3046 get_ref_base_and_extent and overlap_subvar to add only relevant
3047 subvars as may-aliases.
3048 (add_may_alias_for_new_tag): New function, factored out of
3050 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3051 with additional argument.
3052 * tree-flow.h (new_type_alias): Takes additional argument.
3054 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3056 * gcov.c (no_data_file): New flag.
3057 (read_count_file): Set it if data file not present. Assume counts
3059 (output_lines): Don't name the data file, if there wasn't one.
3061 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3063 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3064 (rs6000_generate_compare): Tweak comments.
3065 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3067 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3069 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3070 (var_debug_decl): New function.
3071 (var_reg_set): Follow debug decl link. Add location even if
3072 reg is already known to hold some other variable.
3073 (var_mem_set): Follow debug decl link.
3074 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3075 decl link. Delete other known locations of the variable part
3077 (var_reg_delete, var_mem_delete): Delete other known locations
3078 of the variable part if requested.
3079 (same_variable_part_p): New function.
3080 (add_stores): Select MO_COPY when appropriate.
3081 (vt_initialize): Handle it.
3082 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3083 known locations for MO_SET and MO_CLOBBER.
3084 (find_variable_location_part): New function.
3085 (set_variable_part, delete_variable_part): Use it.
3086 (clobber_variable_part): New function.
3087 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3090 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3092 PR tree-optimization/26969
3093 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3094 with an empty list of PHIs.
3096 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3100 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3103 2006-08-06 Andreas Schwab <schwab@suse.de>
3105 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3106 string. Whitespace and comment fixup.
3108 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3111 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3115 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3118 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3120 2006-08-04 Jan Hubicka <jh@suse.cz>
3124 * reload.c (push_reload): Patch out the mismatching instruction;
3126 (find_reload): Bail out if the instruction was patched out.
3128 2006-08-04 Jan Hubicka <jh@suse.cz>
3130 PR tree-optimization/24888
3131 * tree-inline.c (expand_call_inline): Do not re-record variables.
3132 (declare_inline_vars): Add variable to unexpanded_var_list.
3134 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3135 Roger Sayle <roger@eyesopen.com>
3137 PR rtl-optimization/26244
3138 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3139 inner_const are negative or greater than or equal to the bitsize of
3140 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3141 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3142 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3143 CONST0_RTX (mode) when the new shift count is greater than or equal to
3144 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3147 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3149 * tree-cfg.c: Fix a comment typo.
3151 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3154 * varasm.c (output_constant): Give the front end another chance to
3155 expand constants, after stripping NOPs.
3157 2006-08-03 Jan Hubicka <jh@suse.cz>
3159 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3162 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3164 PR tree-optimization/27770
3165 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3166 declaration removed (moved to tree-flow.h).
3167 (vect_can_force_dr_alignment_p): Likewise.
3168 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3169 (moved from tree-vectorizer.h).
3170 (vect_can_force_dr_alignment_p): Likewise.
3171 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3172 from outside the vectorizer - in particular from cgraph stage.
3173 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3174 the alignment of global arrays when -fsection-anchors is enabled.
3175 * cgraphunit.c (cgraph_increase_alignment): New function.
3176 (cgraph_optimize): Call cgraph_increase_alignment.
3178 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3181 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3182 not reload a SPE symbol_ref into a lo_sum address.
3184 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3187 * dwarf2out.c (prune_unused_types_prune): Move call to
3188 prune_unused_types_update_strings to cover the parent DIE also.
3190 2006-08-02 Jan Hubicka <jh@suse.cz>
3192 PR gcov/profile/28480
3193 * tree-cfg.c (change_bb_for_stmt): New function.
3194 (tree_merge_blocks, tree_split_blocks): Use it.
3196 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3202 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3203 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3204 (cgraph_optimize): Likewise.
3206 2006-08-01 Stuart Hastings <stuart@apple.com>
3208 * rtl.h (UINTVAL) New.
3209 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3210 * testsuite/gcc.dg/20060801-1.c: New.
3212 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3215 * c-typeck.c (build_external_type): Mark used enum types.
3216 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3218 (gen_subprogram_die): Whitespace fix.
3220 2006-08-01 Jan Hubicka <jh@suse.cz>
3222 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3223 bitmap when not needed.
3224 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3227 2006-08-01 Dirk Mueller <dmueller@suse.de>
3229 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3231 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3233 * Makefile.in: Revert part of previous patch:
3234 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3237 2006-07-30 Eric Christopher <echristo@apple.com>
3240 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3241 (PowerPC Variable Attributes): New section.
3243 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3245 PR target/28126 (partial fix)
3246 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3248 2006-07-28 Jan Hubicka <jh@suse.cz>
3250 PR rtl-optimization/28071
3251 * cfgrtl.c (rtl_delete_block): Free regsets.
3252 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3254 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3256 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3257 and variables used in dependencies.
3259 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3261 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3262 %fs for -mcmodel=kernel.
3263 (stack_tls_protect_test_di): Likewise.
3265 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3267 * Makefile.in: Use mkinstalldirs.
3269 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3272 * opts-common.c (prune_options): Skip joined switches.
3274 2006-07-27 Jan Hubicka <jh@suse.cz>
3276 PR rtl-optimization/28071
3277 * cselib.c (cselib_process_insn): Don't remove useless values too
3278 often for very large hashtables.
3280 2006-07-27 Jan Hubicka <jh@suse.cz>
3282 PR rtl-optimization/28071
3283 * global.c (greg_obstack): New obstack.
3284 (allocate_bb_info): Use it.
3285 (free_bb_info): Likewise.
3286 (modify_reg_pav): Likewise.
3288 2006-07-27 Roger Sayle <roger@eyesopen.com>
3290 * builtins.c (fold_fixed_mathfn): When long and long long are the
3291 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3292 functions to their lceil*, lfloor*, lround* and lrint* forms.
3294 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3297 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3299 (rev_branch_insn): Likewise.
3301 2006-07-27 Jan Hubicka <jh@suse.cz>
3303 PR rtl-optimization/28071
3304 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3305 (reg_set_in_bb, max_reg_computed): New static variables.
3306 (regmove_optimize): Free the new array.
3307 (fixup_match_1): Update call of reg_is_remote_constant_p.
3309 2006-07-26 Jan Hubicka <jh@suse.cz>
3311 PR tree-optimization/27882
3312 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3314 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3316 (cgraph_analyze_compilation_unit): Likewise.
3317 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3318 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3319 (cgraph_early_inlinine): Make order garbage collected.
3320 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3322 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3324 * dbxout.c (output_types_sort): Add a comment.
3325 (output_used_types): Free the VEC.
3327 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3329 * function.c (reorder_fix_fragments): Delete.
3330 (reorder_blocks): Don't call it.
3331 (reorder_blocks_1): Put all subblocks under the origin block.
3333 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3335 PR rtl-optimization/27907
3336 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3339 2006-07-25 Roger Sayle <roger@eyesopen.com>
3342 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3343 bar(x) check that bar's result type can represent all the values of T.
3345 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3347 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3349 2006-07-25 Nick Clifton <nickc@redhat.com>
3351 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3352 size_lookup[] array.
3353 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3354 (ggc_pch_count_object): Likewise.
3355 (ggc_pch_alloc_object): Likewise.
3356 (ggc_pch_write_object): Likewise.
3357 (init_ggc): Do not attempt to initialize entries in the
3358 size_lookup[] array for objects whose size is greater than than
3359 the length of the array.
3361 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3363 * dbxout.c (output_used_types_helper): Push queued types
3365 (output_types_sort): New.
3366 (output_used_types): Collect used types on a VEC and sort them
3369 2006-07-24 Richard Guenther <rguenther@suse.de>
3372 * cgraph.c (cgraph_remove_node): Do not check if dumps
3374 * cgraphunit.c (cgraph_optimize): Likewise.
3376 2006-07-24 Jan Hubicka <jh@suse.cz>
3378 PR rtl-optimization/28071
3379 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3380 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3381 splitting before first stmt.
3383 2006-07-24 Jan Hubicka <jh@suse.cz>
3385 PR rtl-optimization/28071
3386 * ipa-inline.c (update_caller_keys): Remove edges that
3387 are no longer inline candidates.
3389 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3392 * dbxout.c (output_used_types_helper, output_used_types): New.
3393 (dbxout_symbol): Call output_used_types.
3395 2006-07-23 Jan Hubicka <jh@suse.cz>
3399 * cgraph.c (cgraph_varpool_nodes): Export.
3400 (decide_is_variable_needed): Ignored "used" attribute in
3401 unit-at-a-time mode.
3402 * cgraph.h (cgraph_varpool_nodes): Declare.
3403 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3404 unit-at-a-time mode.
3406 2006-07-23 Roger Sayle <roger@eyesopen.com>
3409 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3410 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3411 the __gthrw form of thr_keycreate.
3412 (__gthread_key_delete): Silence the unused argument warning.
3414 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3417 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3418 Cache the last found '\0' marker to avoid quadratic behavior.
3420 2006-07-23 Jan Hubicka <jh@suse.cz>
3422 * i386.md (subsi_3_zext): Fix output template.
3424 2006-07-21 Mike Stump <mrs@apple.com>
3426 * doc/invoke.texi (C++ Dialect Options): Note that
3427 -fvisibility-inlines-hidden doesn't affect explicitly
3428 instantiationed inline methods.
3430 2006-07-20 Roger Sayle <roger@eyesopen.com>
3432 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3433 if the target assembler is GNU binutils' gas.
3434 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3435 whether to pass GNU gas or native as command line options.
3437 2006-07-20 Jason Merrill <jason@redhat.com>
3439 * tree.c (remove_attribute): New fn.
3440 * tree.h: Declare it.
3442 2006-07-20 Paul Brook <paul@codesourcery.com>
3445 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3446 they are invalidated by this instruction.
3448 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3451 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3453 2006-07-20 Eric Christopher <echristo@apple.com>
3456 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3458 2006-07-19 Eric Christopher <echristo@apple.com>
3460 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3461 Rewrite dependencies for libgcc_s.1.dylib.
3463 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3465 * except.c (duplicate_eh_regions_1): Clear next_peer.
3467 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3469 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3470 -mlongcall does not guarantee all calls will be long.
3471 * doc/extend.texi (long_call/short_call): Document that longcall
3472 does not guarantee a long call will be used.
3473 (longcall/shortcall): Likewise.
3475 2006-07-18 Roger Sayle <roger@eyesopen.com>
3478 * expmed.c (expand_shift): Additionally check that the shift_cost
3479 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3480 before implementing a LSHIFT_EXPR as a sequence of additions.
3481 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3482 middle-end that DImode shifts need to be synthesized by expand.
3484 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3487 * tree-ssa-operands.c (access_can_touch_variable): Update
3489 Return true if ALIAS is .GLOBAL_VAR.
3491 2006-07-18 David Daney <ddaney@avtrex.com>
3493 * gcc.c (display_help): Fix typo in help text.
3495 2006-07-18 Olivier Hainque <hainque@adacore.com>
3497 * tree.h (categorize_ctor_elements): Adjust prototype and add
3498 descriptive comment, both in accordance with the interface change
3500 * varasm.c (constructor_static_from_elts_p): New function.
3501 Whether a constructor node is a valid static constant initializer
3502 if all its elements are.
3503 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3504 * output.h: Declare it.
3505 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3506 is a valid constant initializer instead of computing the number of
3507 non-constant elements. Use constructor_static_from_elts_p for this
3508 purpose. Replace the head comment with an indication that this is a
3509 helper for categorize_ctor_elements.
3510 (categorize_ctor_elements): Same interface change as for the _1
3511 helper. Former head comment from this helper moved here, adjusted to
3512 account for the interface changes.
3513 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3514 (all_zeros_p): Likewise.
3515 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3516 static versions of the constructor from the categorize_ctor_elements
3517 return value instead of the formerly computed number of non-constant
3520 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3522 * configure: Regenerate.
3523 * Makefile.in (build_libsubdir): New configure substitution
3524 (build_libobjdir): New variable.
3525 (BUILD_LIBIBERTY): Use it.
3527 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3530 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3532 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3535 * c-common.c (handle_weakref_attribute): Ignore attribute in
3536 the same conditions the alias attribute is ignored.
3538 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3540 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3541 (dbxout_begin_prologue): Increment scope_labelno.
3543 2006-07-17 Richard Henderson <rth@redhat.com>
3546 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3549 2006-07-17 Roger Sayle <roger@eyesopen.com>
3550 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3552 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3553 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3554 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3555 functions such as sbrk, write, etc.. Add function prototypes.
3556 Convert function declarations from K&R to ISO C. Cast pointers
3557 to "long" and "unsigned long" instead of "int" and "unsigned int".
3558 Convert tokens following #endif into comments.
3560 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3562 * invoke.texi: Remove mention of f77; Reformat table for
3563 inline parameter options correctly; mention that -malign-double
3564 is default on x86-64 targets.
3566 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3568 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3569 (convert_affine_scev, chrec_convert_aggressive): Use
3570 avoid_arithmetics_in_type_p. Do not check for the subtypes
3573 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3576 * optabs.c (expand_doubleword_shift): Wrap the call to
3577 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3579 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3582 * optabs.c (expand_binop): Pass next_methods rather than methods
3583 to expand_doubleword_shift.
3585 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3588 * tree.h (dump_addr): Declare.
3589 * print-tree.c (dump_addr): New function.
3590 (print_node_brief, print_node): Use it.
3591 * print-rtl.c (print_rtx): Likewise.
3592 * common.opt (-fdump-noaddr): New option.
3593 * doc/invoke.texi (-fdump-noaddr): Document.
3594 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3595 (ve_info_hash): Likewise.
3597 2006-07-13 Andrew Haley <aph@redhat.com>
3599 PR tree-optimization/19505
3600 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3601 edge leaving this block, make sure that the destination of this
3602 block has only one predecessor.
3604 2006-07-17 Richard Guenther <rguenther@suse.de>
3606 PR tree-optimization/28238
3607 * tree-inline.c (copy_bb): Check if we produced valid
3608 gimple copying and substituting a stmt. If not, gimplify
3611 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3613 * optabs.c (maybe_encapsulate_block): New function extracted from...
3614 (emit_libcall_block): ...here. Invoke it on the block of insns to
3615 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3616 (emit_no_conflict_block): Likewise.
3618 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3620 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3622 2006-07-15 Roger Sayle <roger@eyesopen.com>
3624 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3625 a new NOP_EXPR case of the switch statement.
3627 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3630 * stor-layout.c (place_field): Take the bit field with
3631 an excessive size into account in the ms-bitfiled case.
3634 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3635 the previous bit field.
3637 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3640 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3642 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3644 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3645 signal frames correctly even when the signal was installed with
3648 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3650 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3651 (dbxout_function_end): Use local label LFBB. Remove hook
3653 (dbxout_source_line): Use local label LFBB.
3654 (dbxout_block): Likewise.
3655 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3656 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3657 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3658 and DBX_OUTPUT_NFUN.
3660 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3662 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3664 2006-07-13 Jan Hubicka <jh@suse.cz>
3666 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3668 * output.h (align_variable): Declare.
3669 * varasm.c (align_variable): Export.
3670 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3671 when basic block changed.
3673 2006-07-13 Nick Clifton <nickc@redhat.com>
3675 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3676 walking the LOG_LINKS chain.
3678 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3680 * doc/invoke.texi (C++ Dialect Options): Explain difference
3681 between -fvisibility-inlines-hidden and setting hidden
3682 visibility explicitly.
3684 2006-07-12 Eric Christopher <echristo@apple.com>
3686 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3687 (stmp-lipo): Depend on libgcc.a.
3689 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3691 * tree.c: Fix a comment typo.
3693 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3695 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3697 (umulhisi3_r): Likewise.
3699 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3702 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3703 x < 19, vs wchar_t support.
3705 2006-07-12 Nick Clifton <nickc@redhat.com>
3707 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3708 instead of -isa=sh4.
3710 2006-07-12 Mike Stump <mrs@apple.com>
3712 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3714 2006-07-10 Eric Christopher <echristo@apple.com>
3716 * config/t-slibgcc-darwin: Rewrite.
3718 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3721 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3724 2006-07-08 Matthias Klose <doko@debian.org>
3726 * doc/sourcebuild.texi: Fix typo.
3728 2006-07-07 Mike Stump <mrs@apple.com>
3730 * toplev.c (process_options): Don't give -ffunction-sections may
3731 affect debugging warning for Mach-O.
3733 2006-07-07 James E Wilson <wilson@specifix.com>
3735 * config/mips/mips.md (cpu): Add sb1a.
3736 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3737 addition to sb1. Adjust comments to clarify SB-1A differences from
3739 (ir_sb1a_load): New. Modify bypasses to use it.
3740 (ir_sb1a_simple_alu): Likewise.
3741 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3742 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3743 (mips_issue_rate): Add PROCESSOR_SB1A.
3744 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3745 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3746 (TARGET_SB1): Add PROCESSOR_SB1A check.
3747 (TUNE_SB1): Likewise.
3749 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3750 * config/mips/mips.c (mips_store_data_bypass_p): New.
3751 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3752 store_data_bypass_p.
3754 2006-07-08 Paul Brook <paul@codesourcery.com>
3757 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3759 2006-07-07 Richard Guenther <rguenther@suse.de>
3762 * tree.h (build_one_cst): Declare.
3763 * tree.c (build_one_cst): New function.
3764 * tree-ssa-math-opts.c (get_constant_one): Remove.
3765 (insert_reciprocals): Use build_one_cst.
3766 * fold-const.c (fold_plusminus_mult): Likewise.
3768 2006-07-07 Roger Sayle <roger@eyesopen.com>
3770 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3771 * cfgloopanal.c (dump_graph): Likewise.
3772 * dojump.c (discard_pending_stack_adjust): Likewise.
3773 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3775 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3776 * function.c (finalize_block_changes): Likewise.
3777 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3778 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3779 * rtl.c (dump_rtx_statistics): Likewise.
3780 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3782 * varray.c (dump_varray_statistics): Likewise.
3783 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3784 decode_decimal64, encode_decimal128, decode_decimal128,
3785 decimal_real_to_decimal): Likewise.
3787 2006-07-07 Richard Guenther <rguenther@suse.de>
3789 PR tree-optimization/28187
3790 * tree-vrp.c (vrp_operand_equal_p): New function.
3791 (vrp_bitmap_equal_p): Likewise.
3792 (update_value_range): Use them to compare old and new
3795 2006-07-06 Roger Sayle <roger@eyesopen.com>
3797 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3798 a default case to switch statement to silence compiler warnings.
3800 2006-07-06 Roger Sayle <roger@eyesopen.com>
3803 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3804 the configured assembler supports the x87's ffreep mnemonic.
3805 * configure: Regenerate.
3806 * config.in: Regenerate.
3808 * config/i386/i386.c (output_387_ffreep): New function.
3809 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3810 (output_387_reg_move): Likewise.
3812 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3814 Port to hosts whose 'sort' and 'tail' implementations
3815 treat operands with leading '+' as file names, as POSIX
3816 has required since 2001. However, make sure the code still
3817 works on pre-POSIX hosts.
3818 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3819 which says you should use "tail -c +N" rather than "tail +Nc".
3820 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3822 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3824 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3827 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3830 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3831 PRE_{INC,DEC} of TFmode.
3833 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3834 Alan Modra <amodra@bigpond.net.au>
3837 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3840 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3843 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3844 Remove duplicate gtu.
3846 2006-07-05 Jason Merrill <jason@redhat.com>
3850 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3851 * c-common.c (handle_packed_attribute): So don't copy it here.
3852 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3854 2006-07-05 Mike Stump <mrs@apple.com>
3856 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3858 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3861 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3863 2006-07-05 Richard Guenther <rguenther@suse.de>
3866 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3867 TARGET_SSE2 targets if using SSE math.
3868 (*absdf2_1): Likewise.
3870 2006-07-05 Richard Guenther <rguenther@suse.de>
3872 PR tree-optimization/28162
3873 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3874 make sure to convert the operands to the correct type.
3876 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3878 PR tree-optimization/28218
3880 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3881 to calculate and free the dominator information.
3883 2006-07-04 Peter O'Gorman <peter@pogma.com>
3885 * mklibgcc.in: chmod 644 before ranlib during install.
3887 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3888 J"orn Rennecke <joern.rennecke@st.com>
3890 * configure.ac (.eh_frame data check): Use diff -b.
3892 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3895 * Makefile.in (BUILD_RTL): Add build/vec.o.
3896 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3897 (build/genextract): Delete.
3898 (build/genautomata): Likewise.
3900 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3903 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3904 128-bit IBM long doubles for ABI_V4.
3906 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3908 * tree.c (range_in_array_bounds_p): New predicate.
3909 * tree.h (range_in_array_bounds_p): Declare it.
3910 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3911 return a less conservative answer.
3912 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3913 and flag 'is_group'.
3914 (IS_ELEMENT_FOR_GROUP): New macro.
3915 (FOR_EACH_ACTUAL_CHILD): Likewise.
3916 (next_child_for_group): New helper function.
3917 (can_completely_scalarize_p): Take into account groups.
3918 (sra_hash_tree): Handle RANGE_EXPR.
3919 (sra_elt_eq): Likewise.
3920 (lookup_element): Be prepared for handling groups.
3921 (is_valid_const_index): Delete.
3922 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3923 instead of is_valid_const_index.
3924 <ARRAY_RANGE_REF>: New case.
3925 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3926 is_valid_const_index.
3927 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3928 (scan_dump): Dump info for groups too.
3929 (decide_instantiation_1): Likewise.
3930 (decide_block_copy): Assert that the element is not a group.
3931 Propagate decision to groups.
3932 (generate_one_element_ref): Handle RANGE_EXPR.
3933 (mark_no_warning): Iterate over actual childs.
3934 (generate_copy_inout): Likewise.
3935 (generate_element_copy): Likewise.
3936 (generate_element_zero): Likewise.
3937 (generate_element_init_1): Likewise.
3938 (dump_sra_elt_name): Handle RANGE_EXPR.
3940 2006-07-03 Roger Sayle <roger@eyesopen.com>
3942 PR tree-optimization/26251
3943 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3944 (thread_block): When optimizing for size refuse to thread jumps
3945 that would require duplication of blocks other than redirection
3948 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3950 * configure.ac: Fix thinko in previous check-in.
3951 * configure: Regenerate.
3953 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3956 * configure.ac (for lang...): Simplify nesting of conditionals.
3957 Test subdir_requires for non-enabled languages. Move processing
3958 of lang_opt_files and lang_tree_fiels below that test.
3959 * configure: Regenerate.
3960 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3962 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3964 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3966 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3968 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3971 2006-06-29 Jason Merrill <jason@redhat.com>
3978 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3979 * c-common.c (c_determine_visibility): Handle it here.
3980 * c-decl.c (finish_decl): Call c_determine_visibility for
3982 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3984 * varasm.c (default_assemble_visibility): Likewise.
3985 * c-common.c (handle_visibility_attribute): Complain about trying
3986 to give visibility to an already defined class, or trying to change
3987 declared visibility. Always attach the attribute.
3992 * attribs.c (decl_attributes): Ignore type-in-place attributes
3993 once the type has been defined.
3995 2006-06-29 Roger Sayle <roger@eyesopen.com>
3998 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3999 to indicate the cpplib has issued an error message for us.
4001 2006-06-29 Asher Langton <langton2@llnl.gov>
4004 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4005 insert a label at the end of an function under Mach-O.
4007 2006-06-29 Eric Christopher <echristo@apple.com>
4008 Evan Cheng <evan.cheng@apple.com>
4010 * predicates.md (vector_all_ones_operand): New.
4011 (nonimmediate_or_sse_const_operand): Ditto.
4012 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4013 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4014 (standard_sse_mode_p): Ditto.
4015 (standard_sse_constant_p): Add case for -1 vector.
4016 (ix86_expand_vector_move): Try to use.
4017 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4018 Call standard_sse_constant_opcode.
4019 (*movv4sf_internal): Ditto.
4020 (*movv2df_internal): Ditto.
4022 2006-06-29 Roger Sayle <roger@eyesopen.com>
4024 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4025 of XEXP to extract the operands of a MATCH_CODE rtx.
4027 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4029 * tree.c (tree_size): Do not waste tail padding in
4030 struct tree_string and make the size be the same as
4031 build_string will generate.
4033 2006-06-28 Jason Merrill <jason@redhat.com>
4036 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4037 may_aliases already in the tag's annotations to the bitmap.
4039 2006-06-28 Roger Sayle <roger@eyesopen.com>
4041 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4043 2006-06-28 Roger Sayle <roger@eyesopen.com>
4045 * genpreds.c (generate_switch_p): New function.
4046 (add_mode_tests): Push the new mode test down inside an AND expr
4047 if this allows the switch-suitable MATCH_CODE to be near the root.
4048 (write_match_code_switch): New function to write a MATCH_CODE as
4050 (write_predicate_stmts): New function to write a predicate RTX
4051 expression as a sequence of statements.
4052 (write_one_predicate_function): Use write_predicate_stmts.
4053 (write_tm_constrs_h): Likewise.
4055 2006-06-26 Fred Fish <fnf@specifix.com>
4057 * config/mips/t-sb1: New file.
4058 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4061 2006-06-26 DJ Delorie <dj@redhat.com>
4063 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4065 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4066 Jayant Sonar <jayants@kpitcummins.com>
4067 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4069 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4070 (subsi3, subsi3_1, subsi3_2): New.
4071 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4072 * config/m32c/mov.md (SI mov peephole): New.
4073 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4074 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4076 2006-06-26 Olivier Hainque <hainque@adacore.com>
4078 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4079 a CALL_EXPR target function declaration.
4081 2006-06-26 Richard Guenther <rguenther@suse.de>
4083 * tree.c (build_string): Do not waste tail padding in
4086 2006-06-26 Richard Guenther <rguenther@suse.de>
4088 * ggc-page.c (init_ggc): Add missing element to size_lookup
4092 2006-06-23 Richard Guenther <rguenther@suse.de>
4094 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4095 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4096 alignment requests instead. Add verification code.
4097 Add struct tree_function_decl and struct tree_binfo size to
4098 extra_order_size_table. Add missing element to size_lookup
4101 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4104 * fold-const.c (const_binop): Be prepared for self returning zero.
4105 Simplify code handling complex values.
4107 2006-06-24 Olivier Hainque <hainque@adacore.com>
4109 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4110 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4113 2006-06-24 Olivier Hainque <hainque@adacore.com>
4115 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4116 ARRAY_REF, so have the callback called for the low bound expression.
4118 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4120 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4121 * c-typeck.c (c_common_type): Disallow operations on decimal float
4122 types and other float types.
4123 * convert.c (convert_to_real): Don't ignore conversions involving
4124 decimal float types.
4126 2006-06-23 Olivier Hainque <hainque@adacore.com>
4128 * tree.c (max_int_size_in_bytes): New function, inspired from
4129 code in function.c:assign_temp.
4130 * tree.h (max_int_size_in_bytes): Declare.
4131 * function.c (assign_temp): Use it.
4132 * gimplify.c (create_tmp_var): Relax the assertions on the type
4133 properties, not mandating constant size any more.
4134 (force_constant_size): New static function.
4135 (gimple_add_tmp_var): Use it, forcing variable size to a
4136 constant upper bound if it is not constant on entry.
4138 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4141 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4142 for initialization and setting of one_only flag to ...
4143 (i386_pe_encode_section_info): ...here.
4144 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4145 Recheck that the symbol has not been defined.
4147 2006-06-23 Richard Guenther <rguenther@suse.de>
4149 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4150 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4151 alignment requests instead. Add verification code.
4152 Add struct tree_function_decl and struct tree_binfo size to
4153 extra_order_size_table. Add missing element to size_lookup
4156 2006-06-22 Roger Sayle <roger@eyesopen.com>
4157 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4160 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4161 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4163 2006-06-23 Ben Elliston <bje@au.ibm.com>
4165 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4166 negate dn -- manipulate it directly.
4168 2006-06-22 Roger Sayle <roger@eyesopen.com>
4169 Steven Bosscher <stevenb.gcc@gmail.com>
4172 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4173 generated by gen_move_insn to add REG_LABEL notes if necessary.
4175 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4177 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4178 (leaf_entry): Remove use of MIN_ESA.
4180 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4182 PR rtl-optimization/28121
4183 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4186 2006-06-21 DJ Delorie <dj@redhat.com>
4188 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4190 (mulhisi3_r): Likewise.
4192 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4195 * coverage.c (coverage_counter_alloc): Leave the index type
4197 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4200 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4202 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4203 section from the "Options for Code Generation Conventions".
4205 2006-06-21 Richard Henderson <rth@redhat.com>
4209 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4211 (global_symbolic_operand): Allow weak symbols, even if local_p.
4213 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4215 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4216 (find_interesting_uses_address): Punt if above function returns true.
4218 2006-06-21 Richard Guenther <rguenther@suse.de>
4220 * configure: Regenerated.
4222 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4224 * config/mips/mips.c (function_arg): Where one part of a
4225 complex argument is in registers and the other part in the stack,
4226 return a REG not a PARALLEL.
4228 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4230 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4231 when cross-compiling. Do not substitute libstdcxx_incdir.
4232 * configure: Regenerated.
4234 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4236 * varasm.c (mergeable_string_section): Check for embedded NULs and
4237 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4238 rather than TREE_STRING_LENGTH bytes.
4240 2006-06-21 Richard Guenther <rguenther@suse.de>
4242 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4243 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4246 2006-06-21 Richrad Guenther <rguenther@suse.de>
4248 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4249 Limit iteration over the dominators.
4251 2006-06-20 Roger Sayle <roger@eyesopen.com>
4253 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4254 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4256 2006-06-20 Richard Guenther <rguenther@suse.de>
4257 Michael Matz <matz@suse.de>
4259 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4261 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4262 * et-forest.h (et_free_pools): Prototype new function.
4263 * et-forest.c (et_free_tree_force): Free parent occurrence.
4264 (et_free_pools): New function.
4265 * dominance.c (free_dominance_info): Free et-forest alloc
4268 2006-06-20 Roger Sayle <roger@eyesopen.com>
4270 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4271 integer modes, attempt to directly construct an integer constant.
4273 * fold-const.c (native_encode_vector): Determine the size of each
4274 element from the vector type instead of the first vector element.
4276 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4277 if all of its elements/components are constant.
4278 (build_constructor_from_list): Likewise.
4280 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4282 PR tree-optimization/27331
4283 * tree-data-ref.c (free_data_ref): New function.
4284 (create_data_ref): Fail if the data reference has unknown access
4286 (free_data_refs): Use free_data_ref.
4288 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4291 * tree-inline.c (setup_one_parameter): Strip useless
4292 type conversion before adding it to the IR.
4293 (declare_return_variable): Likewise.
4295 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4298 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4300 2006-06-19 Mike Stump <mrs@apple.com>
4302 * tree.c (variably_modified_type_p): VM arguments don't make the
4305 2006-06-19 Richard Guenther <rguenther@suse.de>
4307 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4308 type conversions after folding.
4310 2006-06-19 Richard Guenther <rguenther@suse.de>
4312 * ggc-page.c (extra_order_size_tab): Add entries with
4313 size of struct function and basic_block.
4314 (size_lookup): Extend to cover sizes up to 511.
4315 (ggc_alloc_stat): Adjust user.
4316 (ggc_pch_count_object): Likewise.
4317 (ggc_pch_alloc_object): Likewise.
4318 (ggc_pch_write_object): Likewise.
4320 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4322 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4323 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4326 2006-06-19 Denis Chertykov <denisc@overta.ru>
4328 * config/avr/libgcc.S : Correct my wrong previous commit.
4330 2006-06-19 Roger Sayle <roger@eyesopen.com>
4333 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4334 have stripped a SUBREG from the shift count, so we may need to
4335 convert_to_mode back to the type's mode before calling make_tree.
4336 Use new_amount instead of amount to avoid expanding a tree twice.
4338 2006-06-19 Richard Guenther <rguenther@suse.de>
4341 * fold-const.c (operand_equal_p): Check if the argument types
4342 have the same precision before stripping NOPs.
4344 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4346 Fix PR tree-optimization/27341
4347 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4349 * tree-complex.c (pass_lower_complex): Update SMT usage.
4351 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4353 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4354 Add a new alternative to the constraint strings. Add move of
4355 operand 1 to 3 to the splitter definition.
4356 ("doloop_si_long"): Second contraint alternative removed.
4358 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4360 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4361 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4363 (AVR_HAVE_MOVW) Define.
4364 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4365 (ASM_SPEC): Add avr25.
4366 (LINK_SPEC): Add avr25.
4367 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4368 (base_arch_s): Add new member 'have_movw_lpmx'.
4369 (avr_arch_types): Init 'have_movw_lpmx'.
4370 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4371 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4372 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4373 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4374 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4376 (avr_file_start): Do not output '.arh' derective.
4377 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4378 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4379 * config/avr/avr.md (mcu_enhanced): Delete.
4380 (mcu_have_movw): Define.
4381 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4382 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4383 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4384 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4385 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4386 attiny861 and at86rf401 devices.
4388 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4390 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4393 2006-06-17 Karl Berry <karl@gnu.org>
4395 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4396 doc/gccint.texi, doc/install.texi (@dircategory): Use
4397 "Software development" instead of "Programming", following
4398 the Free Software Directory.
4400 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4402 * config/i386/i386.c (legitimate_tls_address)
4403 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4404 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4405 (*tls_dynamic_gnu2_combine_64): Likewise.
4407 2006-06-16 Richard Guenther <rguenther@suse.de>
4410 * fold-const.c (negate_expr_p): Do not introduce undefined
4411 overflow in negating INTEGER_CSTs.
4412 (fold_negate_expr): Rename from negate_expr. Revert last
4413 change for folding BIT_NOT_EXPR. Change semantics to
4414 return NULL_TREE for non-simplified negations. Do not
4415 strip type conversions and unify type handling.
4416 (negate_expr): New function, wrap around fold_negate_expr
4417 but ensure building a tree always. Strip type conversions
4418 here, fold to result type.
4419 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4421 2006-06-16 Roger Sayle <roger@eyesopen.com>
4424 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4425 that (would) return their results in stack registers.
4427 2006-06-16 Michael Matz <matz@suse.de>
4428 Richard Guenther <rguenther@suse.de>
4430 * fold-const.c (fold_truthop): Only return new tree node if
4431 we canonicalized something.
4433 2006-06-16 Richard Guenther <rguenther@suse.de>
4435 * function.h (enum function_frequency): Move declaration
4436 out of struct function.
4437 (struct function): Move bool fields and the enum to the bitfield
4438 section. Reorder elements to avoid padding. Remove unused
4439 fields left over from the RTL inliner removal.
4440 * function.c (free_after_compilation): Do not zero removed fields.
4441 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4442 (ipa-type-escape.o): Likewise.
4444 2006-06-16 Richard Guenther <rguenther@suse.de>
4446 * cgraph.h (struct cgraph_local_info): Turn bool elements
4448 (struct cgraph_node): Likewise.
4449 (struct cgraph_varpool_node): Likewise.
4451 2006-06-15 Richard Guenther <rguenther@suse.de>
4453 * fold-const.c (fold_truth_not_expr): Rename from
4454 invert_truthvalue. Give it fold_* semantics to avoid
4456 (invert_truthvalue): New function. Wrapper around
4457 fold_truth_not_expr.
4458 (optimize_minmax_comparison): Avoid creating garbage.
4459 (fold_unary): Use fold_truth_not_expr for folding
4461 (fold_ternary): Replace uses of invert_truthvalue with
4462 fold_truth_not_expr where applicable.
4463 * tree.h (fold_truth_not_expr): Prototype.
4465 2006-06-16 Richard Guenther <rguenther@suse.de>
4467 PR tree-optimization/27781
4468 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4469 * ipa-pure-const.c (target.h): Include.
4470 (analyze_function): Do not analyze functions that do not
4473 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4476 * tree-dfa.c (referenced_vars_dup_list): Remove.
4477 (find_referenced_vars): Remove assert.
4478 (referenced_var_check_and_insert): Replace dup list with assert.
4479 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4480 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4482 2006-06-15 Richard Guenther <rguenther@suse.de>
4484 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4485 extra unused identifiers if not dumping.
4486 (create_variable_info_for): Likewise.
4488 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4490 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4491 (derive_constant_upper_bound): Derive more precise upper bound in
4492 common cases. Return type changed to double_int.
4493 (record_estimate): Reflect the changed return type of
4494 derive_constant_upper_bound.
4495 * double-int.c (double_int_zext, double_int_sext): Fix.
4497 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4499 * configure.ac (CFLAGS): Get them from the toplevel or from the
4500 configure invocation.
4501 * configure: Regenerate.
4502 * Makefile.in (CFLAGS): Substitute value provided by configure.
4504 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4507 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4508 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4509 rather than calling add_stmt on it.
4510 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4512 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4515 * reload1.c (reload): Remove registers returned by update_eliminables
4516 from used_spill_regs.
4518 2006-06-13 DJ Delorie <dj@redhat.com>
4520 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4522 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4524 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4525 html__strip_dir, html__mkdir_p. Enhance install-html target.
4526 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4527 * configure: Regenerate.
4529 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4531 * fold-const.c (fold_cond_expr_with_comparison): Check for
4532 Objective-C++ as language in deciding COND_EXPR transformation.
4534 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4537 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4538 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4539 * config/sh/lib1funcs.h (SL, SL1): Define.
4540 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4541 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4542 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4543 (OBJS_Os_4_200): New variable.
4544 ($(T)libgcc-Os-4-200.a): Use it.
4545 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4546 when dividing 1 and/or by 0.
4548 2006-06-13 Roger Sayle <roger@eyesopen.com>
4550 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4551 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4552 * configure: Regenerate.
4554 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4556 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4557 for real instruction.
4559 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4562 * haifa-sched.c (check_cfg): Handle special case.
4564 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4567 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4568 Add debug_info parameter. Chain the vars to the BLOCK instead
4569 of the BIND_EXPR if debug info are requested for them.
4570 (pop_gimplify_context): Adjust for above change.
4571 (gimple_add_tmp_var): Likewise.
4572 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4574 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4575 (convert_local_reference): Likewise.
4576 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4577 (finalize_nesting_tree_1): Request that debug info be emitted
4578 for debug_var_chain.
4580 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4582 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4583 for PR target/27863.
4585 2006-06-13 Richard Guenther <rguenther@suse.de>
4588 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4590 2006-06-13 Richard Guenther <rguenther@suse.de>
4592 PR tree-optimization/27830
4593 * tree-inline.c (copy_body_r): For copying the operand
4594 of an ADDR_EXPR make sure to fold &* afterwards.
4596 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4598 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4599 lvalues in the fb_none case with side-effects.
4601 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4603 * tree-flow.h: Remove the prototype for
4604 compute_phi_arg_on_exit.
4605 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4606 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4609 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4611 * builtins.c (expand_builtin_return_addr): Only use
4612 frame_pointer_rtx when count == 0 and we are expanding
4613 __builtin_return_address.
4615 2006-06-12 Fred Fish <fnf@specifix.com>
4617 * config/mips/mips.c (mips_file_start): Create special section
4618 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4620 2006-06-11 Eric Christopher <echristo@apple.com>
4623 * stor-layout.c (place_field): Remove check for
4624 remaining_in_alignment when aligning at the end of a run.
4626 2006-06-11 Eric Christopher <echristo@apple.com>
4629 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4632 2006-06-11 Roger Sayle <roger@eyesopen.com>
4635 Revert incorrect fix for PR target/27158
4636 2006-05-08 Roger Sayle <roger@eyesopen.com>
4637 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4638 of a reg_equiv_constant if the result is a legitimate constant.
4640 2006-06-11 Roger Sayle <roger@eyesopen.com>
4643 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4644 extract a CONST_VECTOR element and interpret it as an integer.
4645 (vspltis_constant): Use const_vector_elt_as_int instead of the
4646 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4647 * config/rs6000/predicates.md (easy_vector_const): Consider
4648 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4650 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4653 * stor-layout.c (update_alignment_for_field): Don't add extra
4654 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4657 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4659 * config/mips/t-rtems: Add EL/EB multilib variants.
4661 2006-06-09 Mike Stump <mrs@apple.com>
4663 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4665 2006-06-09 David Daney <ddaney@avtrex.com>
4667 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4669 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4671 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4673 2006-06-09 Richard Guenther <rguenther@suse.de>
4675 PR tree-optimization/26998
4676 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4677 of signed types, only TYPE_MIN_VALUE is special, but for both,
4678 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4679 in this case, as is -fwrapv.
4681 2006-06-08 Mike Stump <mrs@apple.com>
4684 * config/darwin.c (darwin_asm_output_anchor): Disable
4685 -fsection-anchors on darwin for now.
4686 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4687 * rs6000/rs6000.c (optimization_options): Likewise.
4689 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4692 * config/i386/i386.c (classify_argument): Skip fields with invalid
4695 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4697 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4698 (cse_insn): Likewise for the stack_pointer_rtx.
4700 2006-06-08 Roger Sayle <roger@eyesopen.com>
4702 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4703 conditions from floating point comparisons.
4705 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4708 * expmed.c (struct alg_hash_entry): Fix type of field T
4709 to match synth_mult argument.
4710 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4712 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4715 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4718 2006-06-08 Richard Guenther <rguenther@suse.de>
4721 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4722 only, if overflow is defined and not trapping.
4723 (negate_expr): Likewise.
4725 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4727 PR tree-optimization/27872
4728 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4729 flag on the new exit edge of the unrolled loop.
4731 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4733 PR rtl-optimization/26449
4734 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4736 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4739 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4740 referenced_variables with matching DECL_UID's.
4741 (find_referenced_vars): Make sure duplicate list is empty to start.
4742 (referenced_var_p): Remove.
4743 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4744 Check if var is in the list, and add if needed. Update the duplicate
4745 list if a different var is in the list with the same DECL_UID.
4746 (add_referenced_var): Call routine to check and insert.
4747 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4748 * tree-flow.h (referenced_vars_dup_list): External declaration.
4750 2006-06-07 Fred Fish <fnf@specifix.com>
4752 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4755 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4758 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4759 the imaginary and real parts of a clobbered register.
4760 Emit insn to set the imaginary part.
4762 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4764 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4765 in lieu of unwind-dw2-fde.c.
4767 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4769 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4771 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4774 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4775 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4776 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4777 V4SImode temporaries and operations instead.
4779 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4781 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4784 2006-06-06 Mike Stump <mrs@apple.com>
4786 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4787 installing during build.
4789 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4791 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4793 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4794 * config/ia64/ia64.c (params.h): New header.
4795 (ia64_optimization_options): New function to adjust parameters.
4796 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4797 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4798 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4800 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4802 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4804 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4807 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4809 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4810 Victor Kaplansky <victork@il.ibm.com>
4812 PR tree-optimization/26360
4813 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4816 2006-06-04 Roger Sayle <roger@eyesopen.com>
4817 Andrew Pinski <pinskia@physics.uc.edu>
4820 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4821 for LABEL_DECL before calling DECL_WEAK.
4824 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4825 LABEL_DECL and PARM_DECL.
4827 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4831 * c-decl.c (grokdeclarator): Disallow variably modified types at
4832 file scope. Avoid marking shared array type of constant size as
4835 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4838 * c-common.c (fold_offsetof_1): Handle static members.
4840 2006-06-04 Eric Christopher <echristo@apple.com>
4842 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4843 (debug_rli): Output value for remaining_in_alignment.
4844 (update_alignment_for_field): Unconditionalize
4845 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4846 extra alignment code.
4847 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4848 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4849 * tree.h (record_layout_info_s): Remove prev_packed.
4850 * doc/extend.texi (ms_struct): Add documentation of format.
4852 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4854 * tree.h: Declare folding_initializer.
4855 * builtins.c (fold_builtin_constant_p): Give definite answer
4856 if folding inside an initializer.
4857 * fold-const.c: Define folding_initializer.
4858 (START_FOLD_INIT): Save and then set folding_initializer.
4859 (END_FOLD_INIT): Restore folding_initializer.
4861 2006-06-04 Richard Guenther <rguenther@suse.de>
4863 PR tree-optimization/27039
4864 * fold-const.c (fold_comparison): Handle pointer comparison
4865 again for all comparison codes. Compare offsets in signed
4867 (fold_binary): Move code from here.
4869 2006-06-03 Roger Sayle <roger@eyesopen.com>
4872 * config/i386/i386.c (construct_container): Split static issued_error
4873 flag into issued_sse_arg_error, issued_sse_ret_error and
4874 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4875 requires the use of x87 registers and the user explicitly
4876 specified the -mno-80387 command line option.
4878 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4880 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4881 HAVE_DECL_SIGALTSTACK.
4883 (segv_handler): Use MC_FLD.
4884 * configure.ac: Check for a sigaltstack declaration.
4885 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4886 * configure: Regenerate.
4887 * config.in: Regenerate.
4889 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4892 * Makefile.in (stmp-fixinc): Fix typo.
4894 2006-06-02 Roger Sayle <roger@eyesopen.com>
4896 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4897 are type correct. Clean-up.
4898 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4899 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4901 2006-06-01 DJ Delorie <dj@redhat.com>
4903 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4904 shift, as we've disabled the "switch" insn that needs it.
4906 2006-06-01 Per Bothner <bothner@bothner.com>
4908 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4909 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4910 * c-ppoutput.c (cb_define): Don't increment line 0.
4912 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4914 * doc/invoke.texi: Add cpu_type power6.
4915 * config.gcc: Add cpu_type power6.
4916 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4917 to power5+ with Altivec.
4918 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4919 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4921 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4923 * config/avr/avr.h (SET_ASM_OP): Define.
4925 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4927 * config/bfin/bfin.c: Fix comment typos.
4929 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4932 * doc/install.texi: Document --enable-bootstrap and
4933 --disable-bootstrap.
4935 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4937 * doc/install.texi: Document that InfoZIP can replace jar.
4939 2006-05-31 Roger Sayle <roger@eyesopen.com>
4941 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4942 isn't available, directly generate the simpler x87 patterns without
4943 the (use (const_int 0)).
4944 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4945 implementation isn't available.
4946 (*negdf2_1): Likewise.
4947 (*negxf2_1): XF mode negation is always done using the x87.
4948 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4950 2006-05-31 Roger Sayle <roger@eyesopen.com>
4952 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4953 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4955 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4957 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4959 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4960 * config/bfin/bfin.c (basic-block.h): Include.
4961 (struct machine_function): New.
4962 (bfin_init_machine_status): New.
4963 (override_options): Initialize init_machine_status.
4964 (bfin_hardware_loop): New.
4965 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4966 (DEF_VEC_P (loop_info)): New.
4967 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4968 (struct loop_info): New.
4969 (loop_info): New typedef.
4970 (struct loop_work): New.
4971 (loop_work): New typedef.
4972 (DEF_VEC_O (loop_work)): New.
4973 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4974 (bfin_dump_loops): New.
4975 (bfin_bb_in_loop): New.
4976 (bfin_scan_loop): New.
4977 (bfin_optimize_loop): New.
4978 (bfin_reorg_loops): New.
4979 (bfin_reorg): Use bfin_reorg_loops.
4980 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4982 (I_REGNO_P): Simplify.
4983 (DP_REGNO_P, DPREG_P): New macros.
4984 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4985 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4986 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4987 Add LT_REGS, LC_REGS, LB_REGS.
4988 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4990 (REGNO_REG_CLASS): Deal with loop registers.
4991 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4993 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4994 New constants for loop registers.
4995 (UNSPEC_LSETUP_END): New.
4996 (seq_insns): New define_attr. Set it for appropriate insns.
4997 (movsi_insn): Add alternatives for move from/to
4998 loop count registers.
4999 (doloop_end): New define_expand.
5000 (loop_end): New define_insn.
5001 (define_split for bad doloop_end): New.
5002 (lsetup_with_autoinit): New define_insn.
5003 (lsetup_without_autoinit): New define_insn.
5004 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5005 * config/bfin/predicates.md (lc_register_operand): New.
5006 (lt_register_operand): New.
5007 (lb_register_operand): New.
5008 (nondp_register_operand): New.
5009 (nondp_reg_or_memory_operand): New.
5010 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5012 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5014 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5015 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5017 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5019 * Makefile.in (CATALOGS): Add po/ prefix.
5020 * configure: Regenerated.
5022 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5025 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5026 a shift operand before calling shift_op. Avoid redundant call of
5029 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5030 DJ Delorie <dj@redhat.com>
5032 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5033 we're inserting is a singlt-bit constant.
5035 2006-05-30 Roger Sayle <roger@eyesopen.com>
5037 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5038 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5040 2006-05-30 Roger Sayle <roger@eyesopen.com>
5042 PR tree-optimization/23452
5043 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5044 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5045 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5046 complex values and with -ffast-math for FP complex values.
5048 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5050 * c-common.h: Remove the prototype for yyparse.
5051 * rtl.h: Remove the prototype for init_loop.
5053 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5055 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5058 2006-05-30 Roger Sayle <roger@eyesopen.com>
5060 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5062 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5063 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5065 2006-05-30 Dirk Mueller <dmueller@suse.de>
5068 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5069 for CONSTANT_CLASS_P expresisons.
5071 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5074 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5076 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5078 PR tree-optimization/27779
5079 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5080 initial_condition instead of CHREC_LEFT.
5082 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5084 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5085 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5086 Make prototypes ISO C90.
5088 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5089 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5091 * see.c (see_analyze_one_def): Correct check.
5092 (see_get_extension_data): Check if extension is parallel.
5093 (see_get_extension_reg): Likewise.
5095 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5098 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5099 into register for (code == GTU).
5101 2006-05-29 Roger Sayle <roger@eyesopen.com>
5103 PR tree-optimization/24964
5104 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5105 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5106 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5107 abs(x)*abs(x) as x*x for scalar floating point modes.
5109 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5112 * lambda-code.c (perfect_nestify): Don't copy statements
5113 in the inner loop: move them to the inner loop header.
5115 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5118 * c-tree.texi: Document OpenMP directives and clauses.
5120 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5122 * varasm.c (globalize_decl): Fix indentation.
5124 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5127 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5128 pass_fre, pass_store_ccp, pass_copy_prop,
5129 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5130 pass_return_slot, pass_object_size, pass_lim,
5131 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5132 pass_loop_prefetch and pass_stdarg.
5134 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5136 * config/bfin/bfin.opt (mfdpic): New option.
5137 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5138 (EXTRA_MULTILIB_PARTS): Likewise.
5139 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5140 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5142 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5143 (CRT_CALL_STATIC_FUNCTION): New.
5144 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5146 (CRT_CALL_STATIC_FUNCTION): New.
5147 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5149 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5150 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5151 (initialize_trampoline): Changed to handle FD-PIC code generation.
5152 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5153 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5154 (override_options): Disallow -mid-shared-library -mfdpic combination.
5155 Can't do unaligned ops if FD-PIC.
5156 Turn off flag_pic if trying to generate non-id-shared-library
5157 non-fdpic code, since it's not supported.
5158 (bfin_assemble_integer): New function.
5159 (TARGET_ASM_INTEGER): Define.
5160 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5162 * config/bfin/crtn.s: Restore them.
5163 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5165 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5166 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5167 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5168 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5169 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5171 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5172 FDPIC_REGS and FDPIC_FPTR_REGS.
5173 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5174 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5175 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5176 (load_funcdescsi): New pattern.
5177 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5178 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5179 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5181 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5183 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5186 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5188 * tree-flow.h: Remove the prototype for add_type_alias.
5189 * tree-ssa-alias.c (add_type_alias): Remove.
5191 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5193 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5194 config/fr30/fr30.md, config/i386/i386-interix.h,
5195 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5196 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5197 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5198 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5199 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5200 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5201 Follow spelling conventions.
5202 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5203 Follow spelling conventions.
5205 2006-05-27 Richard Guenther <rguenther@suse.de>
5208 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5209 to produce a constant of value 1 of generic type.
5211 2006-05-27 Dirk Mueller <dmueller@suse.de>
5213 * cgraphunit.c (decide_is_function_needed): Fix wrong
5216 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5218 PR rtl-optimization/27661
5219 * reload.c (find_reloads): When reloading a VOIDmode constant
5220 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5221 use Pmode as mode of the reload register.
5223 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5225 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5226 is enabled at -O and above.
5228 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5231 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5234 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5237 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5238 for anonymous variables explicitly declared by front ends.
5240 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5242 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5243 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5244 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5245 ref-all pointers, run a finalization pass for them.
5246 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5247 (finalize_ref_all_pointers): New function.
5248 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5249 regular pointer type to a ref-all pointer type.
5250 (get_tmt_for): Return the special memory tag for ref-all pointers.
5252 2006-05-25 Richard Guenther <rguenther@suse.de>
5255 * fold-const.c (fold_binary): Do not look at the stripped
5256 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5258 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5260 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5261 for LT and GT if the computed range is effectively empty.
5263 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5266 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5267 mips_quad_format formats instead of ieee_single_format,
5268 ieee_double_format and ieee_quad_format formats, respectively.
5270 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5272 PR tree-optimization/27639
5273 PR tree-optimization/26719
5274 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5275 call to scev_probably_wraps_p.
5276 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5277 used_in_pointer_arithmetic_p, convert_step): Removed.
5278 (nowrap_type_p): New function.
5279 (scev_probably_wraps_p): Rewritten.
5280 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5281 chrec_convert if chrec_convert_aggressive might have been used.
5282 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5283 scev_direction): New functions.
5284 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5285 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5286 instead of convert_step.
5287 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5288 (convert_step): Declaration removed.
5289 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5291 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5293 * df-core.c: Added to header comments.
5294 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5295 df_ur_bb_info, df_urec_bb_info): Added comments.
5296 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5297 urec, ri problems): Fixed header comments.
5298 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5299 code from df_rd_transfer_function.
5301 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5303 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5304 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5305 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5307 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5309 * expr.c (undefined_operand_subword_p): New.
5310 (emit_move_multi_word): Do not generate move from undefined bits
5311 of a paradoxical subreg.
5313 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5315 PR rtl-optimization/27736
5316 * combine.c (replaced_rhs_value): New variable.
5317 (combine_instructions): Set it.
5318 (distribute_notes): When distributing a note in replaced_rhs_insn,
5319 check whether the value was used in replaced_rhs_value.
5321 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5324 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5325 add_referenced_var instead of add_referenced_tmp_var.
5326 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5327 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5329 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5330 tree_optimize_tail_calls_1): Use add_referenced_var.
5331 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5332 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5333 Use add_referenced_var.
5334 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5335 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5336 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5337 Use add_referenced_var.
5338 * tree-dfa.c (struct walk_state): Remove.
5339 (find_referenced_vars): Remove walk state and vars_found hash table.
5340 (make_rename_temp): Use add_referenced_var.
5341 (find_vars_r): Pass less parameters to add_referenced_var.
5342 (referenced_var_p): New. Is var in referenced_var hash table.
5343 (referenced_var_insert): Assert var isn't already in hash table.
5344 (add_referenced_var): Don't need walk_state parameter. Add var if it
5345 isn't already in the hash table.
5346 (add_referenced_tmp_var): Remove.
5347 (find_new_referenced_vars_1): Use add_referenced_var.
5348 * tree-ssa-pre.c (create_expression_by_pieces,
5349 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5350 Use add_referenced_var.
5351 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5352 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5353 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5355 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5356 vect_create_data_ref_ptr, vect_create_destination_var,
5357 vect_init_vector, vect_build_loop_niters,
5358 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5359 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5360 Use add_referenced_var.
5361 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5362 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5363 (add_referenced_var): Add prototype.
5364 * tree-ssa-structalias.c (get_constraint_for,
5365 intra_create_variable_infos): Use add_referenced_var.
5367 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5369 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5370 big-endian paradoxical subregs.
5371 * var-tracking.c (struct micro_operation_def): Document that,
5372 for modify micro operations, insn is the subsequent instruction.
5373 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5374 (var_reg_set, var_mem_set): ... new functions.
5375 (add_stores): Record subsequent insn.
5376 (compute_bb_dataflow): Use new functions for MO_USE.
5377 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5378 notes after the insn, and modify notes before the insn known
5379 to be the subsequent one.
5380 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5382 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5385 * config/i386/i386.c (ix86_expand_builtin): Use
5386 gen_sse3_monitor64 for TARGET_64BIT.
5388 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5390 PR rtl-optimization/26375
5391 PR rtl-optimization/26855
5392 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5394 (df_ru_bb_local_compute): Reversed statements and removed bogus
5395 comment explaining why they should be in wrong order.
5396 (df_ru_dump, df_rd_dump): Enhanced debug info.
5397 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5399 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5400 reaching uses and fixed space problem.
5402 2006-05-23 Jan Hubicka <jh@suse.cz>
5404 * cgraphunit.c (decide_is_function_needed): Also nested functions
5405 and functions declared inline can be optimized out at -O0.
5407 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5409 * doc/install.texi (Configuration): Remove reference to CrossGCC
5413 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5416 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5417 ix86_compare_emitted is non-NULL.
5419 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5422 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5425 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5427 PR rtl-optimization/25514
5428 * combine.c (replaced_rhs_insn): New variable.
5429 (combine_instructions): Set replaced_rhs_insn when trying to replace
5430 a SET_SRC with a REG_EQUAL note.
5431 (distribute_notes): Use replaced_rhs_insn when determining the live
5432 range of a REG_DEAD register.
5434 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5435 Anatoly Sokolov <aesok@post.ru>
5437 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5438 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5439 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5440 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5441 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5442 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5443 at90usb647, at90usb1286 and at90usb1287 devices.
5444 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5445 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5447 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5449 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5451 2006-05-22 Richard Guenther <rguenther@suse.de>
5454 2006-01-31 Richard Guenther <rguenther@suse.de>
5455 Paolo Bonzini <bonzini@gnu.org>
5457 * doc/install.texi (--disable-libgcc-math): Document.
5459 2006-05-22 Richard Guenther <rguenther@suse.de>
5462 2006-01-31 Richard Guenther <rguenther@suse.de>
5464 * doc/invoke.texi (-msselibm): Document.
5465 * target.h (expand_library_builtin): New target hook.
5466 * builtins.c (expand_builtin): Use expand_library_builtin.
5467 (default_expand_library_builtin): New function.
5468 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5469 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5470 (link_gcc_math_spec): Declare.
5471 (static_specs): Add link_gcc_math_spec.
5472 * expr.h (default_expand_library_builtin): Declare.
5473 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5474 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5475 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5476 * config/i386/i386.opt (msselibm): New target option.
5477 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5478 (ix86_init_sse_abi_builtins): New function.
5479 (ix86_expand_library_builtin): Likewise.
5480 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5481 (override_options): Handle error conditions wrt -msselibm.
5482 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5483 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5484 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5487 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5490 * c-common.c (self_promoting_args_p): Skip erroneous args.
5493 * c-decl.c (finish_struct): Skip erroneous fields.
5495 2006-05-22 Nick Clifton <nickc@redhat.com>
5497 * config/cris/cris.opt (march): Remove VarExists attribute.
5498 (max-stackframe=): Likewise.
5500 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5502 * doc/rtl.texi: Fix a typo.
5503 * see.c: Fix comment typos.
5505 * tree-ssa-structalias.h (alias_info): Remove num_references.
5507 2006-05-21 Mike Stump <mrs@apple.com>
5509 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5511 (darwin_pragma_options): Use BAD instead.
5512 (darwin_pragma_unused): Likewise.
5513 (darwin_pragma_ms_struct): Likewise.
5515 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5517 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5519 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5521 PR rtl-optimization/27671
5522 * simplify-rtx.c (simplify_relational_operation_1): Fix
5523 simplifications of (eq/ne (xor x y) y) and
5524 (eq/ne (xor x y) x).
5526 PR tree-optimization/26622.
5527 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5530 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5532 * tree-cfg.c: Prune whitespace.
5533 (debug_tree_cfg): Point to correct header containing the
5536 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5539 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5541 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5544 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5545 or sorry count is non zero.
5547 2006-05-20 Andreas Schwab <schwab@suse.de>
5549 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5551 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5552 Kenneth Zadeck <zadeck@naturalbridge.com>
5554 PR rtl-optimization/26855
5556 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5558 (df_scan_alloc): Added code to properly handle multiword hard
5559 registers and add all_blocks parameter.
5560 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5561 code to properly handle multiword hard registers.
5562 (df_rescan_blocks): Added code to remove deleted blocks from
5564 (df_ref_create_structure, df_ref_record): Added code to properly
5566 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5567 and set DF_REF_PARTIAL.
5568 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5569 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5570 (df_scan_add_problem): Added flags parameter.
5571 (df_ref_create_structure): Changed switching structure.
5572 (df_bb_refs_record): Fixed case where duplicate artificial refs
5573 were created. Changed location of flags.
5574 (df_record_entry_block_defs): Added code to make stack pointer
5575 live in entry block. Refined cases where frame pointer is needed.
5576 Changed location of flags.
5577 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5578 (df_set_state): Removed function.
5579 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5580 df_insn_create_insn_record, df_insn_refs_delete,
5581 df_ref_create_structure): Formatting changes.
5582 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5583 df_delete_basic_block): New function.
5584 (df_init): Changed location of flags.
5585 (df_add_problem): Added flags parameter and the way flags are
5587 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5588 debug_df_chain): Improved debugging output.
5589 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5590 (df_refs_chain_dump): Removed df parameter.
5591 (df_iterative_dataflow): Added consistency check.
5592 (df_prune_to_subcfg): Made public.
5593 (df_analyze_problem): Added blocks_to_init parameter and made
5595 (df_ref_record, df_bb_refs_record, df_mark_reg,
5596 df_record_exit_block_uses): Whitespace changes.
5597 (df_dump): Whitespace changes.
5598 * df.h: Some reordering to remove forward references.
5599 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5600 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5601 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5602 (dataflow.flags): New field.
5603 (df.flag): Deleted field.
5604 (df_alloc_function): Added additional bitmap parameter.
5605 (df_dependent_problem_function): New type.
5606 (df_problem.changeable_flags): New field.
5607 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5608 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5609 (df_mw_hardreg): New struct.
5610 (DF_INSN_UID_MWS): New macro.
5611 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5613 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5614 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5615 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5616 (df_set_state): Removed function.
5617 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5618 * df-problems.c (df_chain_dump): Removed df parameter.
5619 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5620 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5622 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5623 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5624 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5625 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5626 DF_REF_MUST_CLOBBER cases.
5627 (df_ru_bb_local_compute_process_def,
5628 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5629 df_lr_bb_local_compute, df_ur_bb_local_compute,
5630 df_chain_create_bb): Made subreg aware.
5631 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5632 df_lr_bb_local_compute, df_lr_bb_local_compute,
5633 df_chain_create_bb): Cleanup to use proper macros.
5634 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5635 code to fixup bitvectors.
5636 (df_ri_alloc): Cleared lifetime.
5637 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5638 df_create_unused_note): New function.
5639 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5640 REG_DEAD and REG_UNUSED notes as well as register information.
5641 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5642 df_chains_dump): Fixed crash if problem was never run.
5643 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5644 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5645 df_ri_add_problem): Processes flags in uniform manner.
5646 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5647 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5648 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5649 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5650 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5651 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5652 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5653 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5654 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5655 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5656 * see.c (see_initialize_data): Ditto.
5657 * final.c (rest_of_clean_state) Added regstack_completed.
5658 * rtl.h (regstack_completed): Ditto.
5659 * reg-stack.c (regstack_completed): Ditto.
5661 2006-05-19 Mike Stump <mrs@apple.com>
5663 * c-tree.h (default_conversion): Remove.
5664 * c-common.h (default_conversion): Add.
5666 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5668 * tree-vrp.c (valid_value_p): New function.
5669 (adjust_range_with_scev): Fail if the value of bound is not
5672 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5674 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5675 (mips_fallback_frame_state): Use syscall numbers to determine
5676 the appropriate li instruction for the current ABI. Only use
5677 __NR_sigreturn for o32.
5679 2006-05-19 Nicolas Setton <setton@adacore.com>
5681 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5682 * langhooks.c (lhd_dwarf_name): New function.
5683 * langhooks-def.h (lhd_dwarf_name): Declare.
5684 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5685 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5686 * ada/misc.c (gnat_dwarf_name): New function.
5687 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5689 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5691 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5693 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5694 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5695 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5696 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5697 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5698 determine the size of Wtype, etc.
5699 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5700 (swfloatfuncs): New variable.
5701 (dwfloatfuncs): Likewise.
5702 (lib2funcs): Remove floating-point conversion functions from
5703 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5704 the set of conversion routines needed. Allow entries to specify
5705 an object name, filename and word size. Update users accordingly.
5706 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5707 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5711 2006-02-08 Roger Sayle <roger@eyesopen.com>
5714 * config/fixtfdi.c: New libgcc source file.
5715 * config/fixunstfdi.c: New source file.
5716 * config/floatditf.c: New source file.
5717 * config/floatunditf.c: New souce file.
5718 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5719 files above instead of config/mips/_tilib.c.
5720 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5722 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5724 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5725 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5727 2006-05-18 Mike Stump <mrs@apple.com>
5729 Fix up vla, vm and [*] sematics.
5735 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5736 (c_vla_unspec_p): Add.
5737 (c_vla_type_p): Add.
5738 * c-decl.c (struct c_scope): Add had_vla_unspec.
5739 (build_array_declarator): Add support for [*].
5740 (grokdeclarator): Likewise.
5741 (grokparms): Likewise.
5742 (get_parm_info): Likewise.
5743 * c-objc-common.c (c_vla_unspec_p): Likewise.
5744 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5745 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5746 typeof when argument is a variably modified type not inside sizeof or alignof.
5747 (c_parser_direct_declarator_inner): Propagate errors.
5748 (c_parser_sizeof_expression): Add support for [*].
5749 (c_parser_parms_declarator): Initialize had_vla_unspec.
5750 (c_parser_parms_list_declarator): Likewise.
5751 * c-typeck.c (c_vla_type_p): Add.
5752 (composite_type): Add support for vla compositing.
5753 (comptypes_internal): Add support for vla compatibility.
5754 (c_expr_sizeof_expr): Evaluate vla arguments.
5755 * tree.c (variably_modified_type_p): Update comment for [*].
5757 2006-05-18 Michael Matz <matz@suse.de>
5760 * config.host: Make assignments to host_xmake_file cumulative.
5761 * config.host (*-darwin*): Test $host, not $target.
5763 2006-05-12 Stuart Hastings <stuart@apple.com>
5765 * config/i386/i386.opt (-mstackrealign): New flag.
5766 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5767 (ix86_handle_cconv_attribute): Emit error when
5768 force_align_arg_pointer attribute collides with too many regparms.
5769 (ix86_function_regparm): Limit regparms when used with
5770 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5771 Support stack-realigning prologue in non-main functions. Emit
5772 warning for nested functions under -mstackrealign, emit error for
5773 nested functions with force_align_arg_pointer attribute.
5774 * doc/extend.texi (force_align_arg_pointer): Document it.
5775 * doc/invoke.texi (-mstackrealign): Document it.
5777 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5779 PR rtl-optimization/27477
5780 * combine.c (try_combine): Don't split a parallel consisting
5781 of two sets into two individual sets if both sets reference
5784 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5786 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5787 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5789 * doc/options.texi (VarExists): Updated.
5791 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5793 * unwind-dw2.c: Add declarations for uw_update_context and
5795 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5796 detected, advance frame state and context once to skip over stub.
5798 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5802 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5803 Call rewrite_into_loop_closed_ssa only when something changed.
5804 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5805 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5806 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5807 Test for perfect_nest_p here. Fix formating.
5808 (replace_uses_equiv_to_x_with_y): Fix formating.
5809 (stmt_uses_op): Removed.
5810 (can_convert_to_perfect_nest): Removed loopivs parameter.
5811 Complete the test by checking the scalar dependences.
5812 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5815 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5818 From Dan Kegel <dank@kegel.com>:
5819 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5821 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5823 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5824 if the element type is variably modified without recursing.
5826 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5829 * tree-loop-linear.c (try_interchange_loops): Test for
5830 no data dependences.
5832 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5834 PR tree-optimization/27548
5835 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5836 range of ssa names that appear on abnormal edges.
5837 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5838 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5840 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5843 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5845 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5848 * tree.h (OMP_PARALLEL_COMBINED): Define.
5849 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5850 (new_omp_context): Add is_combined_parallel argument.
5851 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5852 new_omp_context caller.
5853 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5854 Adjust gimplify_scan_omp_clauses callers.
5855 (omp_is_private): Issue errors if iteration variable is firstprivate
5856 or reduction in the current context.
5857 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5858 on combined parallel workshare constructs.
5860 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5862 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5863 (gcc-options.o): New rule.
5865 * optc-gen.awk: Protect variables for gcc-options.o with
5866 #ifdef GCC_DRIVER/#endif.
5868 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5870 Fix PR tree-optimization/27373
5871 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5872 (forward_propagate_addr_expr): Update call.
5874 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5876 * doc/options.texi: Move the Negative option.
5878 2006-05-16 Richard Guenther <rguenther@suse.de>
5880 PR tree-optimization/22303
5881 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5883 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5884 ccp_fold did not simplify the statement.
5886 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5889 * Makefile.in (GCC_OBJS): New.
5890 (OBJS-common): Add opts-common.o.
5891 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5892 (cpp$(exeext)): Likewise.
5893 (gcc.o): Also depend on opts.h.
5894 (opts-common.o): New.
5896 * common.opt (gcoff): Add Negative(gdwarf-2).
5897 (gdwarf-2): Add Negative(gstabs).
5898 (gstabs): Add Negative(gstabs+).
5899 (gstabs+): Add Negative(gvms).
5900 (gvms): Add Negative(gxcoff).
5901 (gxcoff): Add Negative(gxcoff+).
5902 (gxcoff+): Add Negative(gcoff).
5903 * config/i386/i386.opt (m32): Add Negative(m64).
5904 (m64): Add Negative(m32).
5906 * doc/options.texi: Document the Negative option.
5908 * gcc.c: Include "opts.h".
5909 (main): Call prune_options after expandargv.
5911 * optc-gen.awk: Generate common declarations for all flag
5912 variables in options.c. Output the neg_index field.
5914 * opts.c (find_opt): Moved to ...
5915 * opts-common.c: Here. New file.
5917 * opts.h (cl_option): Add a neg_index field.
5919 (prune_options): Likewise.
5921 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5924 * omp-low.c (expand_omp_parallel): Don't assert
5925 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5926 instead search for it.
5929 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5932 2006-05-16 Andreas Schwab <schwab@suse.de>
5934 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5937 2006-05-15 Roger Sayle <roger@eyesopen.com>
5940 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5941 integer constants other than zero are only legitimate on TARGET_64BIT.
5942 <CONST_VECTOR> Only zero vectors are legitimate.
5943 (ix86_cannot_force_const_mem): Integral and vector constants can
5944 always be put in the constant pool.
5946 2006-05-16 DJ Delorie <dj@redhat.com>
5948 * crtstuff.c (__dso_handle): Set section from
5949 TARGET_LBIGCC_SDATA_SECTION if defined.
5950 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5951 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5953 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5956 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5959 2006-05-16 Ben Elliston <bje@au.ibm.com>
5961 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5963 2006-05-15 Per Bothner <per@bothner.com>
5965 * tree.c: (last_annotated_node): Use source_locus typedef.
5966 This permits bootstrapping with --enable-mapped-location.
5968 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5970 PR tree-optimization/26830
5971 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5972 (info_for_ssa_name, current_info_for_ssa_name_age,
5973 blocks_to_update): New variables.
5974 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5975 (clear_ssa_name_info, initialize_flags_in_bb,
5976 mark_block_for_update): New functions.
5977 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5978 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5979 prepare_def_site_for): Use mark_block_for_update.
5980 (mark_def_interesting): Assert that the processed block is marked in
5981 blocks_to_update. Do not take blocks argument.
5982 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5984 (rewrite_update_init_block, rewrite_update_stmt): Only process
5985 blocks with statements to rewrite.
5986 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5987 (update_ssa): Initialize and free blocks_to_update. Do not
5988 clear flags on statements. Do not use blocks bitmap.
5989 * tree.h (SSA_NAME_AUX): Removed.
5990 (struct tree_ssa_name): Removed aux field.
5991 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5993 2006-05-15 Richard Guenther <rguenther@suse.de>
5995 PR tree-optimization/27603
5996 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5997 Do computations in original type.
5999 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6001 * see.c: Code style changes such as redundant paranthesis,
6002 redundant intialization of local variables etc.
6003 (see_main): Declared now as static.
6004 * doc/invoke.texi: Update that -fsee is not enabled by
6007 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6009 * omp-low.c (check_omp_nesting_restrictions): New function.
6010 (scan_omp_1): Call it.
6013 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6014 construct, return *VAR.
6016 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6018 PR rtl-optimization/27406
6019 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6022 2006-05-14 Roger Sayle <roger@eyesopen.com>
6024 PR rtl-optimization/27538
6025 * combine.c (expand_compound_operation): Call gen_lowpart
6026 before calling simplify_shift_const.
6028 2006-05-14 Roger Sayle <roger@eyesopen.com>
6030 PR rtl-optimization/22563
6031 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6032 a fixed width bitfield, always force the intermediates into psuedos.
6034 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6037 * mkconfig.sh: Use operator = instead of == for test.
6039 2006-05-13 Nick Clifton <nickc@redhat.com>
6041 * dwarf2out.c (dbx_reg_number): Check return value from
6042 LEAF_REG_REMAP and only use it if it is valid.
6043 (multiple_reg_loc_descriptor): Likewise.
6045 2006-05-13 Richard Guenther <rguenther@suse.de>
6047 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6050 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6052 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6053 information attached to non-INSNs such as NOTEs.
6054 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6056 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6058 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6060 * config/s390/s390.md: Adjust comment describing On constraint.
6062 2006-05-11 Jan Hubicka <jh@suse.cz>
6064 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6065 to be output at -O0.
6067 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6070 * fold-const.c (size_binop): Move sanity check for arguments to
6071 the beginning of the function.
6074 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6077 2006-05-11 Richard Guenther <rguenther@suse.de>
6080 * fold-const.c (fold_unary): Handle intermediate conversion
6081 to a pointer type like intermediate conversion to an integer
6082 type in folding of (T1)(T2)var to var.
6083 Match the code to the comment in the final conversion for
6084 (T1)(T2)var to (T1)var regarding to type precision. Rather
6085 than disallow T1 being of pointer type, assert that both T1
6086 and var are of pointer type or not. Make sure not to fall
6087 over the frontends lazyness wrt array to pointer decay though.
6089 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6091 * arm.c (arm_struct_value_rtx): Delete.
6092 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6093 (arm_init_cumulative_args): Always initialize nregs to zero.
6095 2006-05-10 Richard Guenther <rguenther@suse.de>
6097 PR tree-optimization/27532
6098 * tree-object-size.c (plus_expr_object_size): Fix typo.
6100 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6103 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6104 ashrdi_const, ashrdi3): Use a scratch register.
6106 2006-05-10 Richard Guenther <rguenther@suse.de>
6108 PR tree-optimization/27302
6109 * fold-const.c (operand_equal_p): For two comparisons,
6110 try comparison of one comparison code swapped if that yields
6113 2006-05-10 Ben Elliston <bje@au.ibm.com>
6115 * tree-pretty-print.c (pretty_print_string): No need to handle
6116 '\0' as a special character.
6118 * tree.h: Include "hashtab.h".
6119 (iterative_hash_expr): Use hashval_t in its prototype.
6120 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6122 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6125 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6126 (hppa*64*-*-hpux11*): Ditto.
6127 (hppa[12]*-*-hpux11*): Ditto.
6129 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6132 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6134 2006-05-09 Michael Matz <matz@suse.de>
6136 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6137 host_extra_gcc_objs and host_xmake_file.
6138 (<*-*-linux*>): Don't overwrite host_xmake_file.
6139 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6140 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6141 (host_detect_local_cpu): Declare.
6142 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6143 * config/i386/i386.c (override_options): Handle -mtune=native
6145 * config/i386/x-i386: New file.
6146 * config/i386/driver-i386.c: New file.
6147 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6150 2006-05-09 Dirk Mueller <dmueller@suse.de>
6151 Richard Guenther <rguenther@suse.de>
6154 * fold-const.c (fold_read_from_constant_string): Relax check
6155 for matching types to matching modes.
6157 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6159 PR rtl-optimization/27335
6160 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6163 2006-05-08 Chao-ying Fu <fu@mips.com>
6164 Richard Sandiford <richard@codesourcery.com>
6166 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6167 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6168 * config/mips/mips.md (UNSPEC_SCC): New constant.
6169 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6170 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6171 (mips_emit_compare): Use it.
6172 (mips_expand_vcondv2sf): New function.
6174 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6176 Fix PR tree-optimization/27093
6177 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6178 renaming when they become not-used_alone.
6180 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6182 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6183 relocation and relocation stubs.
6185 2006-05-08 Eric Christopher <echristo@apple.com>
6187 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6190 2006-05-08 Jan Hubicka <jh@suse.cz>
6193 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6194 unused static functions are needed.
6196 2006-05-08 Roger Sayle <roger@eyesopen.com>
6199 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6200 of a reg_equiv_constant if the result is a legitimate constant.
6202 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6205 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6206 standard 80387 constants, raise the cost to prevent
6207 compress_float_constant() to generate load from memory.
6209 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6211 * config/arm/constraints.md (c): Fix a typo.
6213 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6216 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6219 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6221 (_mm_mwait): Likewise.
6223 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6225 (sse3_monitor): Make it 32bit only.
6226 (sse3_monitor64): New. 64bit monitor.
6228 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6231 * config/i386/i386.c (classify_argument): Skip fields with invalid
6234 2006-05-07 Richard Guenther <rguenther@suse.de>
6236 PR tree-optimization/27409
6237 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6238 Do not try to find zero-sized subvars.
6240 2006-05-07 Richard Guenther <rguenther@suse.de>
6242 PR tree-optimization/27136
6243 * tree-ssa-loop-niter.c (get_val_for): Correct function
6244 comment, assert requirements.
6245 (loop_niter_by_eval): Stop processing if the iterated
6246 value did not simplify.
6248 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6250 * opts.c (flag_see): remove its setting at -O3.
6252 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6254 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6255 * arm/constraints.md: New file.
6256 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6257 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6258 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6259 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6260 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6261 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6262 * arm.md: Include constraints.md.
6263 (thumb_movsi_insn): Use satisfies_constraint_J.
6264 (movhi, movqi): Use satisfies_constraint_I.
6266 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6268 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6269 for atmeg a645 device.
6271 2006-05-06 Richard Guenther <rguenther@suse.de>
6273 PR tree-optimization/27151
6274 * tree-vect-transform.c (vectorizable_condition): Punt on
6275 values that have a different type than the condition.
6277 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6280 * c-parser.c (c_parser_cast_expression): Only insert casts into
6281 hash table if pointer.
6282 * function.c (used_types_insert_helper): Rename from
6284 (used_types_insert): Call used_types_insert_helper.
6285 * function.h (used_types_insert): Accept only one argument.
6287 2006-05-05 David Edelsohn <edesohn@gnu.org>
6289 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6290 scratch with output modifier.
6292 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6295 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6296 with output modifier.
6298 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6301 * config/mips/mips.c (mips_symbolic_address_p): Return true
6302 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6303 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6305 2006-05-04 Richard Guenther <rguenther@suse.de>
6307 PR tree-optimization/14287
6308 PR tree-optimization/14844
6309 PR tree-optimization/19792
6310 PR tree-optimization/21608
6311 PR tree-optimization/27090
6312 * tree-ssa-pre.c (try_combine_conversion): New function.
6313 (compute_avail): After constructing the value-handle
6314 expression, use try_combine_conversion to combine NOP_EXPRs
6315 with previous value-handle expressions and use the result if it
6318 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6320 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6322 2006-05-04 Jan Hubicka <jh@suse.cz>
6325 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6327 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6329 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6330 that this only matches CONST_INTs. All users changed to VOIDmode
6333 * config/bfin/bfin.c: Include "optabs.h".
6334 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6336 (enum bfin_builtins): Add a number of fractional and vector builtins.
6337 (bfin_init_builtins): Likewise.
6338 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6339 (safe_vector_operand, bfin_expand_binop_builtin,
6340 bfin_expand_unop_builtin): New functions.
6341 (bfin_expand_builtin): Handle the new builtins.
6342 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6345 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6348 * Makefile.in (OBJS-common): Add see.o.
6349 (see.o): Add dependencies.
6350 * common.opt (fsee): New flag for the see optimization was added.
6351 * opts.c (flag_see): Initialized.
6352 * passes.c (init_optimization_passes, pass_see): New pass.
6353 * rtl.h (see_main): Declaration as extern.
6354 * timevar.def (TV_SEE): New.
6355 * tree-pass.h (pass_see): Declaration as extern.
6356 * invoke.texi (-fsee): Document.
6357 * recog.c (validate_simplify_insn): New function.
6358 * recog.h (validate_simplify_insn): Declaration as extern.
6359 * df-problems.c (df_chain_dump): Check for NULL.
6361 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6362 Daniel Berlin <dberlin@dberlin.org>
6364 * cfgrtl.c (insert_insn_bb_end_new): New function.
6365 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6367 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6369 * df.h (struct web_entry): Moved from web.c.
6370 (union_defs): Declaration as extern.
6371 (unionfind_root): Likewise.
6372 (unionfind_union): Likewise.
6373 * web.c (struct web_entry): Moved to df.h.
6374 (unionfind_root): Remove static declaration.
6375 (unionfind_union): Likewise.
6376 (union_defs): Likewise and generalize to use callback function.
6377 (web_main): Update arguments for union_defs function call.
6379 2006-05-04 Richard Guenther <rguenther@suse.de>
6381 PR tree-optimization/26447
6382 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6383 produce SSA_NAME copies before the store stmt to avoid
6384 breaking exception handling.
6386 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6389 * gimplify.c (omp_is_private): If var is shared in some outer context,
6390 return false instead of true. Stop searching on parallel context
6393 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6396 * coverage.c: Use get_gcov_unsigned_t() instead of
6397 unsigned_type_node all over.
6399 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6401 PR tree-optimization/27381
6402 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6403 maintain the same immediate_use links.
6404 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6405 node rather than segfaulting.
6407 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6410 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6411 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6412 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6414 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6416 Fix PR tree-optimization/26626
6417 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6419 * tree-ssa-operands.c (access_can_touch_variable): Allow
6420 typecasting through union pointers.
6422 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6425 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6426 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6427 to find if var will be a global variable even in the nested context.
6428 (omp_copy_decl): Only check for global variable at the end, it might
6429 be overridden in outer contexts.
6430 (scan_sharing_clauses): For global variables don't create a field.
6431 (lower_rec_input_clauses): Do nothing for global shared variables.
6432 Emit a barrier at the end of ILIST if there were any decls in both
6433 firstprivate and lastprivate clauses.
6434 (lower_send_clauses): Do nothing for global variables except for
6437 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6439 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6440 of the correct signedness is returned.
6442 2006-05-02 Jeff Law <law@redhat.com>
6444 PR tree-optimization/27364
6445 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6446 multiply expressions.
6448 2006-05-02 Tom Tromey <tromey@redhat.com>
6450 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6452 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6455 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6456 -mthumb -fPIC are used.
6458 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6459 Joshua Kinard <kumba@gentoo.org>
6462 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6463 with 64-bit pointers.
6465 2006-05-02 Paul Brook <paul@codesourcery.com>
6467 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6469 (create_fix_barrier): Check that a suitable barrier location is
6471 (arm_reorg): Include ftmp->address in allowable range of addresses.
6473 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6476 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6479 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6482 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6483 around RESULT_DECL for result passed by reference.
6484 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6485 * omp-low.c (use_pointer_for_field): Don't look at
6486 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6487 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6488 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6489 time or var for passing by reference for
6490 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6491 TREE_ADDRESSABLE variables when passing by reference.
6493 * omp-low.c (dump_omp_region): Fix output formatting.
6496 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6497 (expand_omp_parallel): Likewise.
6498 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6501 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6502 on statement list containing also constructors and destructors.
6503 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6506 * except.c (duplicate_eh_regions): Fix clearing of
6507 cfun->eh->region_array entries.
6509 2006-05-01 DJ Delorie <dj@redhat.com>
6511 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6513 (gcc_cv_objdump): Likewise.
6514 * configure: Regenerated.
6516 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6519 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6520 templates for case 3 and 4.
6522 2006-05-01 DJ Delorie <dj@redhat.com>
6524 * vec.c: Include bconfig.h when appropriate.
6525 * Makefile.in (build/vec.o): Adjust dependencies.
6526 * mkconfig.sh: Make sure config.h isn't used for build machine
6529 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6531 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6533 (mark_phi_for_rewrite): New function.
6534 (insert_phi_nodes_for, mark_use_interesting): Call
6535 mark_phi_for_rewrite.
6536 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6537 (update_ssa): Initialize and free phis_to_rewrite.
6539 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6541 PR rtl-optimization/27291
6542 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6543 folded to a constant.
6545 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6547 PR tree-optimization/27283
6548 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6549 not whole # of iteration descriptions.
6550 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6551 uses abnormal ssa name.
6552 (niter_for_single_dom_exit): Ditto.
6553 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6554 return just the number of iterations.
6556 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6558 PR tree-optimization/27144
6559 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6560 (record_estimate): Only record constant upper bound.
6561 (infer_loop_bounds_from_undefined): Call
6562 compute_estimated_nb_iterations just once.
6563 (proved_non_wrapping_p): Renamed to ...
6564 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6565 (convert_step_widening, scev_probably_wraps_p): Call
6566 n_of_executions_at_most instead of proved_non_wrapping_p.
6567 (substitute_in_loop_info): Do not replace values in bounds.
6568 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6571 2006-05-01 Richard Henderson <rth@redhat.com>
6574 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6575 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6578 2006-05-01 Roger Sayle <roger@eyesopen.com>
6580 * c-typeck.c (parser_build_binary_op): Don't call the function
6581 unsigned_conversion_warning to spot operand/result type overflow.
6582 (build_binary_op): Instead, call convert_and_check instead of
6583 convert to report the problem when the operands are promoted.
6584 * c-common.c (unsigned_conversion_warning): Make static.
6585 * c-common.h (unsigned_conversion_warning): Delete prototype.
6587 2006-05-01 Richard Guenther <rguenther@suse.de>
6589 PR tree-optimization/26726
6590 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6592 (find_interesting_uses_address): ... we work around here
6593 by folding INDIRECT_REFs in the substituted base.
6595 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6597 * omp-low.c (dump_omp_region): Add newlines.
6599 2006-04-30 Roger Sayle <roger@eyesopen.com>
6601 * common.opt (Woverflow): New command line option.
6602 * c-common.c (constant_expression_warning): Check warn_overflow.
6603 (overflow_waring): Pass OPT_Woverflow to warning.
6604 (unsigned_conversion_warning): Likewise.
6605 (convert_and_check): Likewise.
6606 * doc/invoke.texi: Document new command line option.
6608 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6610 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6611 TARGET_NO_FP_IN_TOC for section anchors.
6612 (optimization_options): Enable section anchors for all
6613 non-"Objective" languages.
6615 2006-04-28 Eric Christopher <echristo@apple.com>
6617 * config/darwin-c.c (darwin_ms_struct): Move this
6618 (darwin_set_default_type_attributes): and this...
6619 * config/darwin.c: ... here.
6620 * config/darwin.h (darwin_ms_struct): Declare.
6622 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6624 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6626 2006-04-28 Roger Sayle <roger@eyesopen.com>
6629 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6630 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6631 an unsigned HOST_WIDE_INT.
6632 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6634 (really_start_incremental_init): No need to call convert because
6635 bitsize_zero_node is already of type bitsizetype.
6636 (push_init_level): Extract the value of constructor_index as an
6637 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6638 (process_init_element): Likewise.
6640 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6642 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6643 value before passing to make_relative_prefix.
6645 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6648 * builtins.c (expand_builtin_memset): Expand val in original mode.
6650 2006-04-27 Eric Christopher <echristo@apple.com>
6652 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6653 with #ifndef/#endif.
6654 * config/darwin-c.c (darwin_ms_struct): New.
6655 (darwin_pragma_ms_struct): Ditto.
6656 (darwin_set_default_type_attributes): Ditto.
6657 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6658 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6659 Register ms_struct pragma.
6660 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6661 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6662 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6663 darwin_set_default_type_attributes if TARGET_MACHO.
6665 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6667 PR tree-optimization/26854
6668 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6669 * doc/tree-ssa.texi: Update immuse iterator documentation.
6670 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6671 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6672 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6673 first_safe_imm_use, next_safe_imm_use): Remove.
6674 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6675 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6676 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6677 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6678 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6679 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6680 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6681 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6682 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6683 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6684 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6685 (perfect_nestify): Use new iterator.
6686 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6688 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6689 (next_imm_name): New field in struct immediate_use_iterator_d.
6690 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6691 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6692 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6693 * tree-cfg.c (replace_uses_by): Use new iterator.
6694 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6695 * tree-ssa-operands.c (correct_use_link): Remove.
6696 (finalize_ssa_use_ops): No longer call correct_use_link.
6698 2006-04-27 Stuart Hastings <stuart@apple.com>
6700 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6701 * config/t-darwin (crt3.o): Use it.
6702 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6703 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6704 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6705 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6706 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6709 2006-04-27 Roger Sayle <roger@eyesopen.com>
6711 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6712 size, force the intermediate into a new pseudo rather instead of
6713 performing both a bitwise AND and a bitwise IOR in memory.
6715 2006-04-27 Richard Guenther <rguenther@suse.de>
6717 PR rtl-optimization/26685
6718 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6719 this one "max-flow-memory-locations".
6721 2006-04-27 Richard Guenther <rguenther@suse.de>
6723 PR tree-optimization/25148
6724 * tree-vrp.c (compare_values): Remove code dealing with
6725 comparisons against type min/max value. Honour overflow
6726 and negative constants in code dealing with comparisons
6727 of plus and minus expressions.
6728 (value_inside_range): Use fold_binary with LE_EXPR and
6729 GE_EXPR rather than compare_values.
6731 2006-04-27 Dirk Mueller <dmueller@suse.de>
6733 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6736 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6738 * basic-block.h (safe_insert_insn_on_edge): Removed.
6739 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6741 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6742 Paolo Bonzini <bonzini@gnu.org>
6745 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6746 (simplify_and_const_int): Same.
6748 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6750 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6752 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6755 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6756 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6757 cgraph_global_info_ready.
6760 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6763 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6764 either decl or init is error_mark_node.
6767 * tree-flow.h (struct omp_region): Add sched_kind.
6768 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6769 instead of extracting omp for data.
6770 (expand_omp_for): Save extracted sched_kind.
6772 2006-04-25 Roger Sayle <roger@eyesopen.com>
6774 * expmed.c (store_bit_field): Also check whether the bitsize is
6775 valid for the machine's "insv" instruction before moving the
6776 target into a pseudo for use with the insv.
6777 * config/i386/predicates.md (const8_operand): New predicate.
6778 * config/i386/i386.md (extv, extzv, insv): Use the new
6779 const8_operand predicate where appropriate.
6781 2006-04-25 DJ Delorie <dj@redhat.com>
6783 * doc/install.texi (Specific): Clarify that this is not a list of
6784 supported hosts or targets.
6786 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6788 PR rtl-optimization/26725
6789 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6790 block's BB_DIRTY flag.
6792 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6794 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6797 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6798 to print an integer.
6800 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6802 * varasm.c (align_variable): New function.
6803 (get_block_for_decl): Apply align_variable to DECL before
6804 calculating section information.
6805 (assemble_variable): Split out alignment computation.
6807 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6809 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6812 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6814 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6815 MODE_PARTIAL_INT mode.
6816 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6817 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6819 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6820 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6822 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6824 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6826 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6827 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6828 MACFLAG_IH): Likewise.
6829 (movstricthi_1): Renamed from "*movstricthi".
6830 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6831 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6832 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6833 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6834 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6835 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6836 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6837 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6838 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6839 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6840 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6841 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6842 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6843 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6844 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6846 * doc/rtl.texi (ss_ashift): Improve wording.
6848 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6850 * dwarf2out.c (verify_marks_clear): New.
6851 (prune_unused_types): Call verify_marks_clear initially, not
6854 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6856 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6857 * doc/rtl.texi: Document them.
6858 * simplify-rtx.c (simplify_unary_operation,
6859 simplify_binary_operation_1): Don't abort when we see them.
6861 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6864 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6865 * configure.ac: Completely disregard languages that are not
6867 * configure: Regenerated.
6869 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6870 Richard Guenther <rguenther@suse.de>
6872 PR tree-optimization/27236
6873 * tree-inline.c (copy_body_r): Make sure to copy
6874 TREE_THIS_VOLATILE flag.
6876 2006-04-24 Richard Guenther <rguenther@suse.de>
6879 * tree-complex.c (update_parameter_components): Don't handle
6880 unused parameters which have no default def.
6882 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6883 Richard Guenther <rguenther@suse.de>
6885 PR tree-optimization/27218
6886 * tree-inline.c (expand_call_inline): Strip useless type
6887 conversions for the return slot address.
6889 2006-04-24 Richard Guenther <rguenther@suse.de>
6891 * cfgloop.h (struct loops): Remove unused field array. Reorder
6893 (LOOP_PREFETCH): Remove.
6895 2006-04-24 Richard Guenther <rguenther@suse.de>
6897 PR tree-optimization/22525
6898 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6899 variable, adjust types of generated expressions.
6901 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6903 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6904 (tree-vect-patterns.o): Likewise.
6906 (cselib.o): Likewise.
6907 (loop-doloop.o): Likewise.
6908 (regclass.o): Likewise.
6909 (reload1.o): Likewise.
6910 (explow.o): Replace target.h with $(TARGET_H).
6911 (ipa-prop.o): Likewise.
6912 (ipa-cp.o): Likewise.
6913 (ipa-inline.o): Likewise.
6914 (reorg.o): Likewise.
6915 (reg-stack.o): Likewise.
6917 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6919 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6921 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6923 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6925 * configure.ac: Completely disregard languages that are not
6927 * configure: Regenerated.
6930 * c-common.h (c_build_bitfield_integer_type): Declare.
6931 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6932 * c-common.c (c_build_bitfield_integer_type): ... here.
6934 2006-04-23 Roger Sayle <roger@eyesopen.com>
6937 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6938 a SImode SUBREG of a floating point register after no_new_pseudos.
6940 2006-04-23 Roger Sayle <roger@eyesopen.com>
6942 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6943 identify potentially eliminable registers to additionally catch
6944 VIRTUAL_INCOMING_ARGS_REGNUM.
6945 (addsi3): Update the conditions on when to use addsi_small_int.
6947 2006-04-23 Roger Sayle <roger@eyesopen.com>
6950 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6951 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6952 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6954 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6956 * fold-const.c (range_predecessor): Use operand_equal_p
6957 as the predicate for equality.
6958 (range_successor): Likewise.
6960 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6963 * config/soft-fp/op-common.h: Fix a typo.
6965 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6968 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6969 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6971 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6973 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6975 * doc/tm.texi: Fix a typo.
6977 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6979 * dwarf2out.c (struct die_struct): Document that die_sib makes
6980 a circular linked list.
6981 (FOR_EACH_CHILD): New.
6982 (reverse_die_lists): Delete.
6983 (reverse_all_dies): Delete.
6984 (add_dwarf_attr): Correct documentation.
6985 (remove_child_with_prev): New.
6986 (remove_child_TAG): Update for change to die_struct, use
6987 remove_child_with_prev.
6988 (add_child_die): Update for change to die_struct.
6989 (splice_child_die): Use remove_child_with_prev and add_child_die.
6990 (print_die): Use FOR_EACH_CHILD.
6991 (die_checksum): Likewise.
6992 (assign_symbol_names): Likewise.
6993 (output_location_lists): Likewise.
6994 (build_abbrev_table): Likewise.
6995 (calc_die_sizes): Likewise.
6996 (mark_dies): Likewise.
6997 (unmark_dies): Likewise.
6998 (unmark_all_dies): Likewise.
6999 (output_die): Likewise.
7000 (prune_unused_types_mark): Likewise.
7001 (prune_unused_types_walk): Likewise.
7002 (same_die_p): Update for change to die_struct.
7003 (break_out_includes): Likewise.
7004 (prune_unused_types_prune): Likewise.
7005 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7006 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7008 (dwarf2out_finish): Don't call reverse_all_dies.
7010 2006-04-21 Eric Christopher <echristo@apple.com>
7012 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7013 in comments and function names.
7015 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7018 * c-typeck.c (digest_init): Robustify.
7020 * c-typeck.c (pop_init_level): Simplify.
7022 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7024 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7026 2006-04-21 Paul Brook <paul@codesourcery.com>
7028 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7029 hardware floating point.
7031 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7033 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7036 2006-04-21 Nick Clifton <nickc@redhat.com>
7038 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7041 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7044 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7045 C++ lang type in traceback table for Objective-C++.
7047 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7049 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7051 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7053 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7056 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7057 were errors. Remove check for erroneous objects.
7059 2006-04-20 Jeff Law <law@redhat.com>
7061 PR tree-optimization/26854
7062 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7063 checking for zero or one use.
7064 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7065 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7066 * tree-ssa-reassoc.c (negate_value): Similarly.
7067 (reassociate_bb): Similarly.
7069 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7071 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7072 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7073 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7075 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7077 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7078 fp regs if the last fp arg doesn't fit in regs.
7080 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7083 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7084 that the last insn has the REG_INC note.
7086 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7087 Nathan Sidwell <nathan@codesourcery.com>
7090 * stor-layout.c (update_alignment_for_field): Do not align
7092 (place_union_field): Place union field at the start of the union.
7093 (place_field): Move ERROR_MARK check later, and use the current
7094 allocation position to maintain monotonicity.
7096 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7098 * dominance.c: Include timevar.h.
7099 (calculate_dominance_info): Use TV_DOMINANCE.
7100 * timevar.def (TV_DOMINANCE): New timevar.
7101 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7103 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7105 PR rtl-optimization/14261
7106 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7107 move would be an INSV insn.
7108 (noce_process_if_block): Don't optimize if the destination is a
7109 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7111 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7113 * config/s390/s390.md: Add comments with the instructions emitted
7114 by an insn pattern if macros are used.
7116 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7118 PR rtl-optimization/26026
7119 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7120 is a known power of two shifted left a variable amount.
7122 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7124 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7125 to hash table twice when the debug_str section has SECTION_MERGE.
7127 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7129 * config/soft-fp: New directory. From glibc.
7130 * config/soft-fp/t-softfp: New.
7131 * config/soft-fp/README: New.
7132 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7133 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7134 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7135 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7136 * config.gcc: Use rs6000/t-fprules-fpbit or
7137 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7139 * config/rs6000/sfp-machine.h: New. Based on glibc.
7140 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7142 * config/rs6000/t-fprules: Remove fp-bit rules.
7143 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7144 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7145 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7146 (softfp_wrap_start, softfp_wrap_end): New.
7148 2006-04-18 DJ Delorie <dj@redhat.com>
7150 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7152 2006-04-18 Devang Patel <dpatel@apple.com>
7154 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7156 2006-04-18 Nick Clifton <nickc@redhat.com>
7158 * config/sh/t-symbian: Add rule to build sh-c.o
7159 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7160 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7161 (sh_symbian_encode_section_info): Likewise.
7163 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7165 * builtins.c (expand_builtin_strcmp): Cover label definition of
7166 do_libcall with HAVE_cmpstrnsi.
7168 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7170 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7172 * function.h (temp_slot_p): New.
7173 (function): Change the type of x_used_temp_slots to
7174 VEC(temp_slot_p,gc) *.
7176 2006-04-18 Nick Clifton <nickc@redhat.com>
7178 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7179 flag_strength_reduce.
7181 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7183 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7187 Partial revert of revision 112637
7188 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7189 Dale Johannesen <dalej@apple.com>
7192 * regclass.c (struct reg_pref): Update documentation.
7193 (regclass): Set prefclass to NO_REGS if memory is the best option.
7194 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7196 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7198 PR tree-optimization/26821
7199 * tree-ssa-math-opts.c (get_constant_one): New.
7200 (insert_reciprocals): Use it.
7202 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7204 * dwarf2out.c (free_AT): Delete.
7205 (remove_AT): Update string ref counts.
7206 (remove_child_TAG): Don't call free_die.
7208 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7209 or DW_TAG_GNU_EINCL.
7210 (prune_unused_types_walk_attribs): Reset string refcounts.
7211 (prune_unused_types_update_strings): New.
7212 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7213 call free_die. Do call prune_unused_types_update_strings.
7214 (prune_unused_types): Empty debug_str_hash.
7216 2006-04-17 Roger Sayle <roger@eyesopen.com>
7218 * expr.c (expand_assignment): Optimize away no-op moves where the
7219 source and destination are equal and have no side-effects.
7221 2006-04-17 Richard Guenther <rguenther@suse.de>
7224 * reload.c (push_reload): Guard calls to get_secondary_mem
7227 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7229 * alias.c (reg_base_value, old_reg_base_value): Change the
7230 type to VEC(rtx,gc) *.
7231 (REG_BASE_VALUE, find_base_value, record_set,
7232 init_alias_analysis): Use VEC instead of VARRAY.
7234 * alias.c (alias_sets): Change the type to
7235 VEC(alias_set_entry,gc) *.
7236 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7237 VEC instead of VARRAY.
7238 (last_alias_set): Remove.
7240 * cgraph.h (cgraph_edge_p): New.
7241 Update the prototype of cgraph_function_versioning.
7242 * cgraphunit.c (cgraph_copy_node_for_versioning,
7243 cgraph_function_versioning): Use VEC instead of VARRAY.
7244 * ipa-cp.c (ipcp_insert_stage): Likewise.
7246 2006-04-16 Roger Sayle <roger@eyesopen.com>
7249 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7250 "A op B" or "A op C", we may need to convert A to the type of B and C.
7252 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7254 * target.h (struct gcc_target): Add mode_rep_extended.
7255 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7256 (init_num_sign_bit_copies_in_rep): Initialize it using
7258 (truncate_to_mode): Use it.
7259 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7260 * targhooks.h (default_mode_rep_extended): Declare it.
7261 * targhooks.c (default_mode_rep_extended): Define it.
7262 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7263 default_mode_rep_extended.
7264 (TARGET_INITIALIZER): Include it.
7265 * doc/tm.texi (Misc): Document it.
7266 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7267 (mips_truncated_to_mode): New function.
7269 2006-04-16 Roger Sayle <roger@eyesopen.com>
7272 * expr.c (compress_float_constant): Copy the narrow constant into
7273 a new pseudo before extending it to its final width.
7275 2006-04-16 Roger Sayle <roger@eyesopen.com>
7276 Andrew Pinski <pinskia@gcc.gnu.org>
7277 Dale Johannesen <dalej@apple.com>
7280 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7281 special case code to implement V8HImode and V16QImode with SSE2.
7283 2006-04-15 Roger Sayle <roger@eyesopen.com>
7285 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7286 trees are constructed with a suitable tree type.
7288 2006-04-15 Roger Sayle <roger@eyesopen.com>
7290 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7291 (integer_onep): Likewise.
7292 (integer_all_onesp): Likewise.
7293 (integer_pow2p): Likewise.
7294 (integer_nonzerop): Likewise.
7295 (real_zerop): Likewise.
7296 (real_onep): Likewise.
7297 (real_twop): Likewise.
7298 (real_minus_onep): Likewise.
7299 (int_size_in_bytes): Likewise.
7300 (host_integerp): Likewise.
7302 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7304 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7305 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7306 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7308 * tree-ssa-structalias.h (alias_info): Remove num_references.
7310 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7312 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7313 (output_bvb patterns): Likewise.
7314 * pa.c (output_bb): Use 'bb' insn for long branch case.
7315 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7316 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7317 1. Correct length operand for alternatives 1 and 2.
7318 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7319 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7321 2006-04-14 Roger Sayle <roger@eyesopen.com>
7323 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7324 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7325 were accidentally reverted by r112959.
7327 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7330 * except.h (eh_region_outermost): New prototype.
7331 * except.c (eh_region_outermost): New function.
7332 * tree-cfg.c (find_outermost_region_in_block): Use it.
7334 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7336 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7338 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7339 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7340 (init_reload, reload): Use VEC instead of VARRAY.
7341 * reload.h: Update the prototype for
7342 reg_equiv_memory_loc_varray.
7344 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7345 Eric Botcazou <ebotcazou@libertysurf.fr>
7347 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7350 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7353 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7354 to expand fallback builtin function call.
7356 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7359 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7360 and emit libcall here in case the builtin fails.
7361 (expand_builtin_strcmp): Always emit the libcall here on failure.
7363 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7365 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7366 * flow.c (reg_n_info): Change the type to
7367 VEC(reg_info_p,heap) *.
7368 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7370 * regs.h (reg_info_p): New.
7371 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7372 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7373 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7376 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7378 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7380 * params.h (MAX_SCHED_READY_INSNS): New macro.
7381 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7382 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7383 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7384 the ready list for 1 cycle during the first scheduling pass.
7385 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7387 2006-04-13 Richard Henderson <rth@redhat.com>
7390 * gimple-low.c (lower_omp_directive): Remove dead code.
7391 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7392 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7393 * omp-low.c (struct omp_region): Move to tree-flow.h.
7394 (root_omp_region): Export.
7395 (omp_regions, lookup_omp_region): Remove.
7396 (determine_parallel_type): Update for struct omp_region changes.
7397 (dump_omp_region): Dump regions with block numbers.
7398 (new_omp_region): Take type and block instead of stmt; malloc
7400 (free_omp_region_1, free_omp_regions): New.
7401 (expand_parallel_call): Take entry_stmt as argument; update for
7402 changes to omp_region.
7403 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7404 (remove_exit_barriers): New.
7405 (expand_omp_parallel): Update for struct omp_region changes.
7406 (expand_omp_synch): Likewise.
7407 (expand_omp): Likewise.
7408 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7409 (expand_omp_for_static_chunk): Likewise.
7410 (expand_omp_for): Likewise.
7411 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7412 (expand_omp_sections): Similarly, with GOMP_sections_end.
7413 (expand_omp_single): New.
7414 (build_omp_regions_1): Update for OMP_CONTINUE.
7415 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7416 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7417 OMP_SECTIONS_SECTIONS.
7418 (lower_omp_single_simple): Don't emit barrier here.
7419 (lower_omp_single_copy): Likewise.
7420 (lower_omp_single): Fix bindings, and lower to straightline now.
7421 (lower_omp_master, lower_omp_ordered): Likewise.
7422 (lower_omp_critical): Likewise.
7423 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7424 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7425 omp edges, free it afterward.
7426 (make_omp_sections_edges): Remove.
7427 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7428 (move_stmt_r): Handle OMP_CONTINUE.
7429 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7430 statement pointers to basic blocks. Add type member.
7431 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7432 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7433 * tree-inline.c (estimate_num_insns_1): Likewise.
7434 * tree-pretty-print.c (dump_generic_node): Likewise.
7435 * tree-ssa-operands.c (get_expr_operands): Likewise.
7436 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7437 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7438 (OMP_CONTINUE): New.
7439 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7440 (OMP_SECTIONS_SECTIONS): Remove.
7441 (OMP_SECTION_LAST): New.
7442 (OMP_RETURN_NOWAIT): New.
7444 2006-04-13 Roger Sayle <roger@eyesopen.com>
7446 * fold-const.c (native_encode_vector, native_interpret_real):
7447 Correct obvious mistakes in the previous check-in.
7449 2006-04-13 Roger Sayle <roger@eyesopen.com>
7451 * fold-const.c (native_encode_expr): New function to encode
7452 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7453 or VECTOR_CST into a specified buffer.
7454 (native_encode_int): New function.
7455 (native_encode_real): New function.
7456 (native_encode_complex): New function.
7457 (native_encode_vector): New function.
7458 (native_interpret_expr): Inverse of native_encode_expr to convert
7459 a target representation into an INTEGER_CST, REAL_CST etc...
7460 (native_interpret_int): New function.
7461 (native_interpret_real): New function.
7462 (native_interpret_complex): New function.
7463 (native_interpret_vector): New function.
7464 (fold_view_convert_expr): New function to constant fold/evaluate
7465 a VIEW_CONVERT_EXPR of a suitable constant expression.
7466 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7467 Change call of build1 to fold_build1 when constructing a
7470 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7471 Ulrich Weigand <uweigand@de.ibm.com>
7474 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7477 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7480 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7481 optimize to lo_sum for DFmode if !TARGET_FPRS.
7483 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7485 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7486 delete_alias_info, compute_flow_sensitive_aliasing,
7487 group_aliases): Use VEC instead of VARRAY.
7488 * tree-ssa-structalias.c (update_alias_info): Likewise.
7489 * tree-ssa-structalias.h (alias_info): Change the type of
7490 processed_ptrs to VEC(tree,heap) *.
7492 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7495 * config/sh/lib1funcs.h: New file, broken out of:
7496 * config/sh/lib1funcs.asm.
7497 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7499 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7500 * config/sh/lib1funcs-Os-4-200.asm: New file.
7501 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7502 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7503 (EXTRA_MULTILIB_PARTS): Include it.
7504 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7505 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7506 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7507 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7510 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7512 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7513 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7514 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7516 * tree-ssa-live.h: Include vecprim.h.
7517 (tree_partition_associator_d): Change the type of
7518 first_partition to VEC(int,heap) *.
7519 (tpa_first_partition): Use VEC instead of VARRAY.
7521 * Makefile.in (GTFILES): Move functions.h after tree.h.
7522 * function.c (reset_block_changes, record_block_change,
7523 check_block_change, free_block_changes): Use VEC instead of
7525 * function.h (function): Change the type of
7526 ib_boundaries_block to VEC(tree,gc) *.
7527 * tree-inline.c (copy_cfg_body): Initialize
7528 ib_boundaries_block to NULL instead of (varray_type) 0.
7530 2006-04-12 Roger Sayle <roger@eyesopen.com>
7532 * expr.c (emit_group_store): Correct operand order in call to
7533 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7534 a SUBREG_BYTE of zero.
7536 2006-04-12 Richard Guenther <rguenther@suse.de>
7538 * profile.c (compute_branch_probabilities): Remove code
7539 encapsulated in !ir_type (), which are remanents of the
7540 removed RTL profiling code.
7541 * rtl-profile.c: Remove.
7543 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7545 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7546 magic NULL_RTX comment.
7547 (function_arg): Store entire fp arg to mem if any part should go
7549 (rs6000_arg_partial_bytes): Adjust for above change.
7551 2006-04-11 Roger Sayle <roger@eyesopen.com>
7553 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7554 if it hasn't been initialized by dwarf2out_init.
7556 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7558 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7559 symbolic constants in branch patterns.
7561 2006-04-11 Roger Sayle <roger@eyesopen.com>
7563 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7565 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7567 PR rtl-optimization/27073
7568 * gcse.c (try_replace_reg): Revert last change. Continue to search
7569 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7572 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7574 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7575 aggregate types other than record and union types.
7576 (function_arg): Likewise.
7577 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7579 (function_value): In 64-bit mode, return objects that require it
7582 2006-04-11 Roger Sayle <roger@eyesopen.com>
7584 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7586 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7588 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7590 2006-04-03 Jeff Law <law@redhat.com>
7593 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7594 alias information too.
7596 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7598 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7600 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7603 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7604 (premark_used_types_helper): New.
7605 (premark_used_types): New.
7606 (gen_subprogram_die): Call premark_used_types.
7607 (prune_unused_types_walk): Do not prune perennial dies.
7608 * function.c (used_types_insert): New.
7609 * function.h (struct function): Add used_types_hash field.
7610 (used_types_insert): Add prototype.
7611 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7612 * c-parser.c (c_parser_cast_expression): Save casted types in used
7615 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7618 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7619 rs6000_explicit_options.float_gprs.
7621 2006-04-10 Roger Sayle <roger@eyesopen.com>
7623 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7624 from ix86_expand_vector_init_low_nonzero. Take an additional
7625 one_var argument indicating which element is non-zero. Support
7626 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7627 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7628 with one_var instead of ix86_expand_vector_init_low_nonzero.
7630 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7632 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7633 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7634 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7635 build/genextract.o): Depend on vecprim.h.
7636 * cfglayout.c, df-problems.c, function.c, genextract.c,
7637 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7638 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7642 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7644 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7645 Declare VECs of this type.
7646 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7647 (remove_children): Delete.
7648 (add_dwarf_attr): Use VEC routines.
7649 (add_AT_flag): Update for changes to add_dwarf_attr.
7650 (add_AT_int): Likewise.
7651 (add_AT_unsigned): Likewise.
7652 (add_AT_long_long): Likewise.
7653 (add_AT_vec): Likewise.
7654 (add_AT_string): Likewise.
7655 (add_AT_die_ref): Likewise.
7656 (add_AT_fde_ref): Likewise.
7657 (add_AT_loc): Likewise.
7658 (add_AT_loc_list): Likewise.
7659 (add_AT_addr): Likewise.
7660 (add_AT_lbl_id): Likewise.
7661 (add_AT_lineptr): Likewise.
7662 (add_AT_macptr): Likewise.
7663 (add_AT_offset): Likewise.
7664 (add_AT_range_list): Likewise.
7665 (get_AT): Use VEC_iterate.
7666 (remove_AT): Use VEC_ordered_remove.
7667 (free_die): Fold remove_children into here; have it use VEC_iterate.
7668 (print_die): Use VEC_iterate on attrs.
7669 (reverse_die_lists): Don't reverse attr lists.
7670 (die_checksum): Use VEC_iterate on attrs.
7671 (same_die_p): Likewise.
7672 (output_location_lists): Likewise.
7673 (build_abbrev_table): Likewise.
7674 (size_of_die): Likewise.
7675 (unmark_all_dies): Likewise.
7676 (output_abbrev_section): Likewise.
7677 (output_die): Likewise.
7678 (prune_unused_types_walk_attribs): Likewise.
7680 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7682 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7684 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7687 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7689 2006-04-09 Roger Sayle <roger@eyesopen.com>
7691 * expr.c (store_constructor): Don't bother clearing target if
7692 we're about to assign a vector to it using vec_init_optab.
7694 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7696 * tree-ssa-alias.c (lhs_may_store_to): New function.
7697 (recalculate_used_alone): Handle LHS of calls.
7699 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7703 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7704 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7705 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7706 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7707 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7708 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7709 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7710 stubs. Add ".align 8" directives before all ".dword" directives.
7711 (GTHREAD_USE_WEAK): Revise comment.
7712 (TARGET_ATTRIBUTE_WEAK): Define.
7713 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7714 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7715 * stublib.c: New file.
7720 * pa.md (cbranch patterns): Revise arguments used in calls to
7721 output_cbranch, output_bb and output_bvd. Add long branch length
7723 (fbranch patterns): Handle long branches.
7724 (jump): Revise length check. Revise arguments for output_lbranch call.
7725 Add long branch length attributes.
7726 (decrement_and_branch_until_zero): Add long branch length attributes.
7727 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7728 Likewise. Revise arguments for output_parallel_addb and
7729 output_parallel_movb calls.
7730 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7731 output_parallel_movb and output_parallel_addb): Update prototypes.
7732 * pa.c (output_cbranch): Revise arguments. Correct handling of
7733 nullification in long branches.
7734 (output_lbranch): Add new argument to control extraction of delay
7736 (output_bb): Handle long branches.
7737 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7738 output_parallel_addb): Likewise.
7740 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7742 PR rtl-optimization/27073
7743 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7746 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7748 * tree.h (tree_memory_tag): Add old_used_alone.
7749 (SMT_OLD_USED_ALONE): New macro.
7750 * tree-ssa-alias.c (recalculate_used_alone): Stop
7751 marking things for renaming unnecessarily.
7753 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7755 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7756 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7757 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7758 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7759 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7760 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7761 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7762 spelling convensions.
7763 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7764 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7765 typos. Follow spelling conventions.
7767 2006-04-07 DJ Delorie <dj@redhat.com>
7769 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7770 passed on the stack.
7771 (m32c_init_cumulative_args): When a function returns a structure,
7772 always pass the pointer to that return area on the stack.
7773 (m32c_function_arg_advance): Don't increment the parameter number
7774 if we're processing the returned structure pointer.
7775 (pushm_info): Reverse order of registers.
7777 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7779 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7780 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7781 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7782 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7784 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7785 chrec_fold_multiply): Same.
7786 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7787 force_expr_to_var_cost): Same.
7788 * tree-mudflap.c (mf_xform_derefs_1): Same.
7789 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7791 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7793 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7794 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7797 2006-04-07 Jan Hubicka <jh@suse.cz>
7799 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7801 2006-04-07 Richard Guenther <rguenther@suse.de>
7803 PR tree-optimization/26135
7804 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7805 loads for store copy-prop.
7806 (copy_prop_visit_stmt): Likewise.
7808 2006-04-05 Robert Millan <robertmh@gnu.org>
7810 * config/i386/linux.h: Add a comment to mark macros that are
7811 being overriden in config/k*bsd-gnu.h.
7812 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7814 * config/knetbsd-gnu.h: Ditto.
7816 2006-04-06 Jan Hubicka <jh@suse.cz>
7820 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7823 2006-04-06 Mike Stump <mrs@apple.com>
7825 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7826 for HAVE_nonlocal_goto to be consistent.
7827 (expand_builtin_nonlocal_goto): Likewise.
7828 (expand_builtin_strcmp): Use #ifdef instead of #if
7829 for HAVE_cmpstrnsi to be consistent.
7831 2006-04-05 DJ Delorie <dj@redhat.com>
7833 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7836 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7838 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7839 got-relative addressing for anything but SImode.
7841 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7842 even if the calling function doesn't modify them.
7844 2006-04-05 Richard Guenther <rguenther@suse.de>
7846 PR tree-optimization/26919
7847 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7848 to cgraph_estimate_size_after_inlining.
7850 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7852 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7854 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7856 PR tree-optimization/26996
7857 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7858 VECTOR_TYPE variables.
7860 2006-04-05 Richard Guenther <rguenther@suse.de>
7862 PR tree-optimization/26763
7863 * fold-const.c (fold_comparison): Move folding of
7864 PTR + CST CMP PTR + CST ...
7865 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7867 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7869 * doc/install.texi (Prerequisites): Refine some wording on
7870 bootstrapping and ksh.
7871 Move the version numbers of DejaGnu here from the testing section
7872 and fix casing of names.
7873 Fix markup and clarify wording for autogen requirements.
7874 Refer to GCJ instead of just java.
7875 Refer to SVN instead of CVS.
7876 Describe diffutils as useful instead of necessary.
7877 (Downloading the source): Refer to SVN instead of CVS.
7878 Adjust a link to our web site accordingly.
7879 (Configuration): Fix casing of Bison.
7880 (Building): Refer to SVN instead of CVS.
7881 Fix a sentence on the use of Bison and remove duplicate (and
7882 incorrect) version number of Bison requirement.
7883 Remove one redundant list of packages needed for building.
7884 (Specific): Avoid reference to CVS.
7886 2006-04-04 Eric Christopher <echristo@apple.com>
7888 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7889 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7890 (rs6000_handle_struct_attribute): New.
7891 (rs6000_ms_bitfield_layout_p): Ditto.
7893 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7895 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7896 NULL for dso parameter to atexit_common.
7898 2006-04-04 Eric Christopher <echristo@apple.com>
7900 * config/i386/i386.c (machopic_output_stub): Output \t
7901 between instructions and operands.
7903 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7905 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7906 satisfies_constraint_[IL] to explicit tests on value.
7908 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7910 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7911 set_nb_iterations_in_loop): Use build_int_cst instead of
7913 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7914 build_int_cst instead of convert.
7916 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7918 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7919 new value 2 for incoming.
7920 * function.c (expand_function_start): Call struct_value_rtx
7922 * config/sparc/sparc.md: Comment updated_return.
7923 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7924 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7925 struct return if sparc_std_struct_return and incoming is 2.
7926 (print_operand): Do not adjust return if
7927 sparc_std_struct_return.
7929 2006-04-04 Roger Sayle <roger@eyesopen.com>
7931 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7932 convert in the middle-end.
7933 * expr.c (store_expr, store_constructor, get_inner_reference,
7934 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7936 * tree.c (build_range_type): Likewise.
7938 2006-04-04 Tom Tromey <tromey@redhat.com>
7940 * doc/install.texi (Prerequisites): Mention jar.
7942 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7944 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7947 2006-04-04 Matthias Klose <doko@debian.org>
7949 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7953 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7956 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7958 * doc/extend.texi (Function Attributes): Rewrite visibility
7959 attribute documentation.
7960 * doc/invoke.texi (C++ Dialect Options): Rewrite
7961 -fvisibility-inlines-hidden documentation to describe something
7962 entirely different, although in practise compatible.
7963 (Code Gen Options): Warn about system headers in -fvisibility=
7966 * doc/extend.texi (Other Builtins): Document that
7967 __builtin_nan is a compile-time constant only when its argument
7970 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7972 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7973 trying to remove TRUNCATE check if all bits outside the new mode
7974 are identical to the sign bit.
7976 2006-04-03 Jeff Law <law@redhat.com>
7978 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7979 and operand scanning in some common cases.
7981 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7982 Dale Johannesen <dalej@apple.com>
7985 * regclass.c (struct reg_pref): Update documentation.
7986 (regclass): Set prefclass to NO_REGS if memory is the best option.
7987 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7988 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7989 into account. For non-registers, equate an empty preferred
7990 reload class to a `!' in the constraint; move the if clause to
7991 do so after those that reject the insn.
7992 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7994 (find_dummy_reload): Likewise.
7995 * doc/tm.texi (Register Classes): Document what it means
7996 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7997 * config/i386/i386.c (ix86_preferred_reload_class): Force
7998 using SSE registers (and return NO_REGS for floating-point
7999 constants) if math is done with SSE.
8000 (ix86_preferred_output_reload_class): New.
8001 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8002 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8003 * config/i386/i386.md: Remove # register preferences.
8005 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8008 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8009 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8010 the type of nb_iter.
8011 (instantiate_parameters_1): Convert the operands before calling
8012 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8013 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8015 2006-04-02 Roger Sayle <roger@eyesopen.com>
8017 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8018 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8020 * dojump.c (do_jump): Likewise.
8021 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8022 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8023 gimplify_boolean_expr): Likewise.
8024 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8025 * varasm.c (array_size_for_constructor): Likewise.
8026 * tree-object-size.c (compute_object_offset): Likewise.
8028 2006-04-02 Roger Sayle <roger@eyesopen.com>
8031 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8032 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8034 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8036 PR tree-optimization/26939
8037 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8039 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8041 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8042 at_stmt. Convert the type of operands before calling
8043 build_polynomial_chrec.
8044 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8046 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8047 (instantiate_parameters_1): Convert the type of operands before calling
8048 build_polynomial_chrec.
8049 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8050 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8051 reset_evolution_in_loop): Insert asserts to check the types of the
8053 (chrec_type): Moved...
8054 (eq_evolutions_p): Use operand_equal_p.
8055 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8056 the types of the operands.
8057 (chrec_type): ...here.
8058 * tree-data-ref.c (create_data_ref): Convert the operands before
8059 calling chrec_replace_initial_condition.
8060 (same_access_functions, analyze_subscript_affine_affine,
8061 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8062 (compute_subscript_distance, analyze_ziv_subscript,
8063 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8064 analyze_miv_subscript): Convert the operands before calling
8065 chrec_fold_minus or chrec_fold_plus.
8067 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8069 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8070 the dependence_relations vector.
8071 (compute_data_dependences_for_loop): Adjust call to
8072 compute_all_dependences.
8074 2006-04-01 Roger Sayle <roger@eyesopen.com>
8075 Richard Henderson <rth@redhat.com>
8077 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8078 gimple_boolify on the condition before calling gimplify_expr.
8080 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8082 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8083 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8084 the frame size. Update to use the new macros.
8085 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8086 * config/xtensa/ieee754-df.S: Likewise.
8088 2006-03-31 Richard Henderson <rth@redhat.com>
8090 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8091 (make_edges): ... here. Control fallthru creation with a local
8092 variable. Do not play with fake edges.
8093 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8094 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8097 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8099 * dwarf2.h (DW64_CIE_ID): Define.
8100 * dwarf2out.c (DWARF_CIE_ID): Define.
8101 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8102 length header. Use DWARF_CIE_ID.
8103 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8104 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8106 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8108 * config/sh/linux-atomic.asm: New file.
8109 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8111 2006-03-31 DJ Delorie <dj@redhat.com>
8113 * config/m32c/cond.md: Set condition flags properly throughout.
8114 * config/m32c/minmax.md: Likewise.
8115 * config/m32c/prologue.md: Likewise.
8116 * config/m32c/bitops.md: Likewise.
8117 * config/m32c/muldiv.md: Likewise.
8118 * config/m32c/mov.md: Likewise.
8119 * config/m32c/addsub.md: Likewise.
8120 * config/m32c/m32c.md: Likewise.
8121 * config/m32c/jump.md: Likewise.
8122 * config/m32c/shift.md: Likewise.
8124 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8125 conditionally output the pattern for this.
8126 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8127 (m32c_compare_redundant): New.
8128 (m32c_output_compare): New.
8129 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8131 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8132 dest, not src. Allow other 4-byte modes.
8134 2006-03-30 Denis Chertykov <denisc@overta.ru>
8136 * doc/md.texi: Refer to avr/constraints.md instead of
8139 2006-03-30 Roger Sayle <roger@eyesopen.com>
8141 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8142 signed vs. unsigned comparison failures on some hosts.
8144 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8147 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8148 change to FLOAT_REGS.
8150 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8151 (rs6000_override_options): Use it.
8152 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8153 only for -mabi=spe/no-spe and -mabi=altivec.
8155 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8157 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8160 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8162 * Makefile.in: Rename docdir to gcc_docdir.
8164 2006-03-30 Roger Sayle <roger@eyesopen.com>
8167 * expr.c (emit_group_store): Optimize group stores into a pseudo
8168 register by using a paradoxical subreg to initialize the destination
8169 if the first or last member of the group specifies a "low part".
8171 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8174 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8175 * target.h (struct gcc_target.speculate_insn): Change type of the
8176 second parameter to 'int'.
8177 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8178 the second operand of the DEPS_LIST.
8179 (copy_DEPS_LIST_list): Update reference to the second operand of the
8181 * rtl.h (alloc_DEPS_LIST): Update signature.
8182 * sched-int.h (ds_t): Change typedef to 'int'.
8183 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8185 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8187 * haifa-sched.c (try_ready): Change condition to restore
8188 non-speculative pattern of the instruction.
8189 (process_insn_depend_be_in_spec): Code to keep probability of the
8190 speculative dependence non-decreasing.
8192 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8194 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8195 (single_move_for_movmem): ... this. Also change all uses.
8196 (bfin_expand_strmov): Renamed to...
8197 (bfin_expand_movmem): ... this. Also change all uses.
8198 * config/bfin/bfin.md (movstrsi): Renamed to...
8199 (movstrsi): ...this.
8201 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8203 PR tree-optimization/26830
8205 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8206 (copy_prop_visit_stmt): Remove write-only variable ann.
8207 (init_copy_prop): Check variable loop depth here. Do not simulate
8208 memory-tag and virtual operand PHIs except for store copy prop.
8210 2006-03-30 Richard Guenther <rguenther@suse.de>
8212 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8213 variants with double arguments.
8215 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8217 * genpreds.c (write_tm_constrs_h): Delete variable p.
8218 * genconditions.c (write_header): Add tm-constrs.h to included
8220 * genpeep.c (main): Add toplev.h to included headers.
8221 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8222 (build/genpeep.o): Add toplev.h dependency.
8223 * config/rs6000/constraints.md: Add "W" constraint.
8225 2006-03-29 Roger Sayle <roger@eyesopen.com>
8227 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8228 sizes by correctly testing whether the size fits a host integer.
8229 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8230 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8231 SImode range for the default sizetype and bitsizetype.
8233 2006-03-29 Roger Sayle <roger@eyesopen.com>
8235 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8236 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8237 quickly if the argument is already of the correct type.
8238 Call fold_build1 instead of build1. Tidy up blank lines.
8240 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8242 * genemit.c (main): Add tm-constrs.h to included headers.
8243 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8244 * genpeep.c (main): Add tm-constrs.h to included headers.
8245 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8246 (write_tm_constrs_h): this and write complete file.
8247 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8248 (write_insn_preds_c): Add tm-constrs.h to included headers.
8249 (gen_constrs): New variable.
8250 (parse_option): Parse "-c".
8251 (main): Invoke write_tm_constrs_h.
8252 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8253 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8254 (object_out_file): Add tm-constrs.h dependency.
8255 (insn-emit.o): Same.
8256 (insn-output.o): Same.
8257 (insn-peep.o): Same.
8258 (insn-preds.o): Same.
8259 (insn-recog.o): Same.
8260 (tm-constsr.h): New target.
8261 (s-constrs-h): New target.
8263 * config/rs6000/constraints.md: New file.
8264 * config/rs6000/rs6000.c: Include tm-constrs.h.
8265 (num_insn_constant_wide): Convert to satisfies_constraint.
8266 (rs6000_rtx_costs): Convert to satisfies_constraint.
8267 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8268 (CONST_OK_FOR_LETTER_P): Delete.
8269 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8270 (EXTRA_CONSTRAINT): Delete.
8271 (EXTRA_MEMORY_CONSTRAINT): Delete.
8272 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8273 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8274 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8275 satisfies_constraint.
8277 * config/i386/i386.c: Include tm-constrs.h.
8279 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8281 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8282 * tree-data-ref.c (find_data_references_in_loop,
8283 compute_data_dependences_for_loop): Use pointers to VEC.
8284 (analyze_all_data_dependences): Adjust calls.
8285 * tree-data-ref.h (find_data_references_in_loop,
8286 compute_data_dependences_for_loop): Adjust declarations.
8287 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8288 compute_data_dependences_for_loop.
8290 2006-03-29 Paul Brook <paul@codesourcery.com>
8292 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8295 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8297 PR tree-optimization/26859
8298 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8300 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8301 for the step after fold_convert.
8303 2006-03-29 Paul Brook <paul@codesourcery.com>
8305 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8306 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8308 2006-03-29 Paul Brook <paul@codesourcery.com>
8311 * targhooks.c (default_narrow_bitfield): New fuction.
8312 * targhooks.h (default_narrow_bitfield): add prototype.
8313 * target.h (gcc_target): Add narrow_volatile_bitfield.
8314 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8315 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8316 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8317 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8319 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8321 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8323 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8324 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8325 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8326 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8327 (s390_function_arg_float): Allow SDmode and DDmode values to be
8328 passed in floating point registers.
8329 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8330 check with SCALAR_FLOAT_MODE_P.
8331 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8333 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8335 PR tree-optimization/25985
8336 * tree-ssa-loop-niter.c (number_of_iterations_le,
8337 number_of_iterations_ne): Make comments more precise.
8338 (number_of_iterations_cond): Add only_exit argument. Use the
8339 fact that signed variables do not overflow only when only_exit
8341 (loop_only_exit_p): New.
8342 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8343 number_of_iterations_cond.
8345 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8347 PR tree-optimization/26643
8348 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8351 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8353 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8354 (divsi3_i4_int): Likewise.
8356 2006-03-28 Roger Sayle <roger@eyesopen.com>
8358 * expr.c (emit_group_store): Only create a new pseudo reg if the
8359 quantity it needs to hold isn't already a suitable pseudo.
8361 2006-03-28 Jeff Law <law@redhat.com>
8363 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8364 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8366 2006-03-28 Roger Sayle <roger@eyesopen.com>
8368 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8369 the equivalent ~X & Y, and the symmetry related transformations.
8370 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8371 ~X & Y, and symmetry related transforms.
8373 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8375 Revert my 2006-03-27 patches.
8377 2006-03-28 Roger Sayle <roger@eyesopen.com>
8379 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8380 ~(T1)X, when T1 and T2 are integer types of the same precision
8381 and (T2)X isn't an extension.
8383 2006-03-28 Jeff Law <law@redhat.com>
8385 PR tree-optimization/26796
8386 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8387 need EH edge cleanups rather than purging them immediately.
8388 (eliminate_degenerate_phis): Handle queued EH cleanups.
8390 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8392 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8395 2006-03-27 Roger Sayle <roger@eyesopen.com>
8398 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8399 cast BIT_NOT_EXPR operand to the correct type.
8401 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8403 * tree-loop-linear.c: Don't include varray.h.
8404 (gather_interchange_stats, try_interchange_loops,
8405 linear_transform_loops): Use VEC instead of VARRAY.
8406 * lambda-mat.c: Don't include varray.h.
8407 * tree-chrec.c: Same.
8408 * lambda-trans.c: Same.
8409 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8410 VEC instead of VARRAY.
8411 * tree-vectorizer.h: Idem.
8412 * tree-data-ref.c (dump_data_references,
8413 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8414 initialize_data_dependence_relation, finalize_ddr_dependent,
8415 compute_all_dependences, find_data_references_in_loop,
8416 compute_data_dependences_for_loop, analyze_all_data_dependences,
8417 free_dependence_relation, free_dependence_relations,
8418 free_data_refs): Idem.
8419 * tree-data-ref.h (data_reference_p, subscript_p): New.
8420 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8421 VEC instead of VARRAY.
8422 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8423 (find_data_references_in_loop, compute_data_dependences_for_loop,
8424 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8425 dump_data_dependence_relations, free_dependence_relations,
8426 free_data_refs): Adjust declaration.
8427 (lambda_transform_legal_p): Move declaration here...
8428 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8429 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8430 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8431 vect_analyze_data_refs): Use VEC instead of VARRAY.
8432 * lambda.h (lambda_transform_legal_p): ...from here.
8433 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8434 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8435 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8436 tree-chrec.o): Don't depend on VARRAY_H.
8438 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8440 * rtl.def (Copyright): Update date.
8441 (DEPS_LIST): Change type of the second operand to 'int'.
8442 * target.h (Copyright): Update date.
8443 (struct gcc_target.speculate_insn): Change type of the second parameter
8445 * lists.c (Copyright): Update date.
8446 (alloc_DEPS_LIST): Change signature. Update reference to the second
8447 operand of the DEPS_LIST.
8448 (copy_DEPS_LIST_list): Update reference to the second operand of the
8450 * rtl.h (Copyright): Update date.
8451 (alloc_DEPS_LIST): Update signature.
8452 * sched-int.h (Copyright): Update date.
8453 (ds_t): Change typedef to 'int'.
8454 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8456 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8458 * haifa-sched.c (Copyright): Update date.
8459 (try_ready): Change condition to restore non-speculative pattern
8461 (process_insn_depend_be_in_spec): Code to keep probability of the
8462 speculative dependence non-decreasing.
8464 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8466 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8467 shut up the compiler.
8469 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8471 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8472 to use lib prefix for target.
8473 ($(T)libic_invalidate_array_4-200.a): Likewise.
8474 ($(T)libic_invalidate_array_4a.a): Likewise.
8476 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8477 J"orn Rennecke <joern.rennecke@st.com>
8479 * superh.opt: New file.
8480 * sh.c (boardtype, osruntime): Remove.
8481 * superh.h (SUBTARGET_OPTIONS): Remove.
8482 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8484 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8485 arguments with ^ and/or [].
8487 * config.gcc (sh-*-*): Add quoting to account for quirk of
8489 Replace == with = in enable_incomplete_targets test.
8491 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8492 with MASK_LITTLE_ENDIAN.
8494 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8495 * config/sh/sh.opt: Added to some comments.
8496 * config/sh/superh.h: Removed some chaff.
8498 * config/sh/sh.opt: Add m4-[1234]00* options.
8499 * config/sh/sh.c (sh_handle_option): Likewise.
8500 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8501 (ic_invalidate_array_4-100.o): New rule.
8502 ($(T)libic_invalidate_array_4-100.a): Likewise.
8503 (ic_invalidate_array_4-200.o): Likewise.
8504 ($(T)libic_invalidate_array_4-200.a): Likewise.
8505 (ic_invalidate_array_4a.o): Likewise.
8506 ($(T)libic_invalidate_array_4a.a): Likewise.
8507 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8508 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8510 * config/sh/crt1.asm: Merged in profiling code.
8511 * config/sh/superh.h (STARTFILE_SPEC): Override.
8512 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8513 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8514 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8516 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8517 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8518 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8520 * sh.opt (mpretend-cmove): New option.
8521 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8522 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8523 (movsicc): Add TARGET_PRETEND_CMOVE code.
8525 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8527 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8528 s390_class_max_nregs): New function prototypes.
8529 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8530 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8531 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8532 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8534 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8536 * dwarf2out.c (add_location_or_const_value_attribute): Call
8537 tree_add_const_value_attribute if nothing else works.
8538 (reference_to_unused): New.
8539 (rtl_for_decl_init): Use reference_to_unused to decide whether
8540 to output an initializer.
8542 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8545 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8546 peephole removing spe frob_di_df_2.
8548 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8550 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8551 (subscript_dependence_tester_1): Declared.
8552 (print_dir_vectors, print_dist_vectors): New.
8553 (debug_data_dependence_relation): New.
8554 (dump_data_dependence_relation): Print more details.
8555 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8556 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8557 (save_dist_v, save_dir_v, add_outer_distances,
8558 build_classic_dist_vector_1): New.
8559 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8560 Don't test for lambda_vector_lexico_pos.
8561 (same_access_functions, add_multivariate_self_dist,
8562 add_other_self_distances, dir_from_dist): New.
8563 (build_classic_dir_vector): Replace implementation almost identical to
8564 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8566 (subscript_dependence_tester_1): New.
8567 (subscript_dependence_tester): Handle the lexicographically negative
8568 distance vectors by recomputing the dependence relation.
8569 (compute_affine_dependence): Remove parameter loop_nest_depth.
8570 (compute_self_dependence): Don't call compute_subscript_distance.
8571 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8572 Add a parameter for the loop_nest.
8573 (find_loop_nest_1, find_loop_nest): New.
8574 (compute_data_dependences_for_loop): Compute the loop nest, and give
8575 up if the nest is not well formed.
8576 * tree-data-ref.h (loop_p): New.
8577 (struct data_dependence_relation): Replace size_vect field with
8578 loop_nest, a vec of loops.
8579 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8580 (DDR_LOOP_NEST): New.
8581 (print_dir_vectors, print_dist_vectors,
8582 debug_data_dependence_relation): Declared.
8583 (index_in_loop_nest): New.
8584 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8585 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8588 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8590 * simplify-rtx.c (simplify_relational_operation): Call
8591 simplify_relational_operation_1 even if mode is VOIDmode.
8593 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8595 PR tree-optimization/26804
8596 * tree.h (DECL_CALL_CLOBBERED): New macro.
8597 (tree_decl_common): Add call_clobbered_flag.
8598 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8599 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8600 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8601 (mark_non_addressable): Ditto.
8602 * tree-ssa.c (verify_call_clobbered): New function.
8603 (verify_alias_info): Use it.
8604 * tree-pass.h (pass_reset_cc_flags): New prototype.
8605 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8606 (reset_cc_flags): New function.
8607 * passes.c (init_optimization_passes): Call reset_cc_flags after
8608 initializing referenced_vars.
8610 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8611 Roger Sayle <roger@eyesopen.com>
8614 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8615 to 1.0 for non-real operands. Implement A / A optimization for
8618 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8620 * config/i386/i386.c (size_cost): Correct the comment for
8621 cost of storing fp registers.
8622 (i386_cost): Likewise.
8623 (i486_cost): Likewise.
8624 (pentium_cost): Likewise.
8625 (pentiumpro_cost): Likewise.
8626 (k6_cost): Likewise.
8627 (athlon_cost): Likewise.
8628 (k8_cost): Likewise.
8629 (pentium4_cost): Likewise.
8630 (nocona_cost): Likewise.
8631 (generic64_cost): Likewise.
8632 (generic32_cost): Likewise.
8634 2006-03-24 Denis Chertykov <denisc@overta.ru>
8636 * config/avr/avr-protos.h (extra_constraint): Delete.
8637 (extra_constraint_Q): New declaration.
8638 * config/avr/constraints.md: New file.
8639 * config/avr/avr.md: Include it.
8640 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8641 (TMP_REGNO, ZERO_REGNO): Likewise.
8642 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8643 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8644 (extra_constraint): Delete.
8645 (extra_constraint_Q): Test for memory constraint 'Q'.
8646 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8647 (REG_CLASS_FROM_LETTER): Delete.
8648 (CONST_OK_FOR_LETTER_P): Delete.
8649 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8650 (EXTRA_CONSTRAINT): Delete.
8651 (TMP_REGNO): Delete.
8652 (ZERO_REGNO): Delete.
8654 2006-03-24 Jeff Law <law@redhat.com>
8656 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8657 directly. Call mark_new_vars_to_rename slightly earlier.
8659 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8661 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8663 (gen_compile_unit_die): Use new language types for Objective-C and
8665 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8666 DW_LANG_C_plus_plus.
8669 * config/t-darwin (crt3.o): Work around bug 26840.
8670 * config/darwin-crt3.c: Rewrite.
8671 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8673 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8675 * doc/invoke.texi: Document -femit-class-debug-always
8676 * common.opt: Add -femit-class-debug-always.
8678 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8680 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8681 index and base register.
8682 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8683 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8684 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8685 REGNO_OK_FOR_INDEX_P.
8686 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8688 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8689 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8690 REG_OK_FOR_BASE_P): Definitions removed.
8692 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8695 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8696 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8697 set yet or weren't marked as local yet.
8699 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8701 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8704 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8706 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8707 (rs6000_legitimate_small_data_p): Delete.
8708 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8709 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8710 and make static. Add forward declaration. Update uses.
8711 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8712 of offsettable_memref_p.
8713 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8714 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8716 2006-03-24 Jeff Law <law@redhat.com>
8718 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8719 around bug in immediate-use iterator.
8721 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8724 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8725 or __LITTLE_ENDIAN__.
8727 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8729 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8730 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8731 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8732 * config/sh/sh.opt (mdiv=): Amend description.
8733 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8734 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8735 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8736 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8737 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8738 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8739 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8740 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8741 TARGET_DIVIDE_CALL_FP.
8743 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8745 * haifa-sched.c (choose_ready): Fix type of the local variable.
8746 Move local variables. Add comment.
8747 (check_reg_live): Change signature. Make callable from debugger.
8748 * sched-int.h (check_reg_live): Update signature.
8749 * sched-ebb.c (check_reg_live): Update parameters.
8750 * sched-rgn.c (check_reg_live): Ditto.
8751 (region_head_or_leaf_p): Check pointer before dereferencing.
8752 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8753 before reload on optimization levels below 1.
8755 2006-03-23 Richard Henderson <rth@redhat.com>
8757 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8761 * config/alpha/predicates.md (local_symbolic_operand): Reject
8764 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8767 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8768 expressions which have overflowed constants.
8770 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8772 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8774 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8776 * cfgloopmanip.c (create_loop_notes): Removed.
8777 * final.c (final_scan_insn): Do not handle loop notes.
8778 * jump.c (squeeze_notes): Ditto.
8779 * cfglayout.c (skip_insns_after_block,
8780 duplicate_insn_chain): Ditto.
8781 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8783 * cfgloop.h (create_loop_notes): Declaration removed.
8785 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8787 * varasm.c (output_constant_pool): Restore fnname and fndecl
8789 (assemble_start_function): Adjust call accordingly.
8790 (assemble_end_function): Likewise.
8792 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8795 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8798 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8800 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8803 * system.h (ICE_EXIT_CODE): New macro.
8804 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8805 (diagnostic_action_after_output): Likewise.
8806 * gcc.c (fatal_ice): New function.
8807 (execute): Use it instead of fatal.
8808 (fancy_abort): Likewise.
8809 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8811 2006-03-22 Jeff Law <law@redhat.com>
8813 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8814 iv_analyze_result returning false.
8816 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8818 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8820 2006-03-22 Richard Henderson <rth@redhat.com>
8823 * except.c (duplicate_eh_regions_0): New.
8824 (duplicate_eh_region_1): Duplicate the children of the node as
8825 well as the node itself. Link them up properly.
8826 (duplicate_eh_region_2): Merge into ...
8827 (duplicate_eh_regions): ... here. Take copy_region argument, and
8828 copy only a sub-tree if asked. Simplify copying and fixup.
8829 (eh_region_outer_p): New.
8830 * except.h (duplicate_eh_regions): Update decl.
8831 (eh_region_outer_p): Declare.
8832 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8833 (lower_omp_master): Likewise.
8834 (lower_omp_ordered): Likewise.
8835 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8836 (move_stmt_r): Use it to remap labels. Handle recursion vs
8837 remap_decls_p properly.
8838 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8839 (find_outermost_region_in_block): New.
8840 (new_label_mapper): New.
8841 (move_sese_region_to_fn): Copy eh information to the new function
8843 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8845 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8848 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8850 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8851 into shared libraries.
8853 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8855 * doc/md.texi: Refer to i386/constraints.md instead of
8857 * config/i386/constraints.md: New file, extracted from...
8858 * config/i386/predicates.md: ...here.
8859 * config/i386/i386.md: Include constraints.md.
8861 2006-03-21 Jason Merrill <jason@redhat.com>
8863 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8866 * expr.c (init_block_move_fn): Force default visibility.
8867 (init_block_clear_fn): Likewise.
8868 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8869 * targhooks.c (default_external_stack_protect_fail): Likewise.
8871 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8873 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8874 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8875 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8876 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8877 (loadgp): Use mips_current_loadgp_style.
8878 (loadgp_noshared): New pattern.
8879 (sibcall_internal): Use MIPS_CALL.
8880 (sibcall_value_internal): Likewise.
8881 (sibcall_value_multiple_internal): Likewise.
8882 (call_internal): Likewise.
8883 (call_value_internal): Likewise.
8884 (call_value_multiple_internal): Likewise.
8885 (call_split): Use MIPS_CALL and add an 'S' constraint.
8886 (call_value_split): Likewise.
8887 (call_value_multiple_split): Likewise.
8888 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8889 (-mshared): New option.
8890 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8891 (mips_current_loadgp_style): Declare.
8892 * config/mips/mips.c (mips_classify_symbol): Avoid using
8893 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8894 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8895 TARGET_ABSOLUTE_ABICALLS.
8896 (override_options): Adjust comments. Improve the warning that is
8897 issued when -mabicalls and -G are used together.
8898 (mips_file_start): Remove comment.
8899 (mips_current_loadgp_style): New function.
8900 (mips_gnu_local_gp): New variable.
8901 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8903 (mips_output_function_prologue): Use mips_current_laodgp_style.
8904 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8905 the cprestore instruction.
8906 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8907 live for TARGET_ABSOLUTE_ABICALLS.
8908 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8909 (ASM_SPEC): Pass down -mshared and -mno-shared.
8910 (MIPS_CALL): New macro.
8911 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8913 * doc/invoke.texi (-mabicalls): Update documentation.
8914 (-mshared): Document.
8916 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8918 * config/ia64/unwind-hpux.c: New file.
8919 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8921 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8924 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8926 2006-03-21 Jeff Law <law@redhat.com>
8928 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8929 type conversions of a VR_VARYING source to a wider type.
8931 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8933 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8934 tm_file on Solaris 10 and later.
8935 (sparc64-*-solaris2*): Likewise.
8936 (sparc-*-solaris2*): Likewise.
8937 * config/sol26.h: Rename to config/sol2-6.h.
8938 * config/sol2-10.h: New file.
8940 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8943 * tree-ssa-pre.c (create_component_ref_by_pieces):
8946 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8949 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8950 return it immediately.
8952 2006-03-21 Michael Matz <matz@suse.de>
8954 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8956 (remove_arc, add_arc): Update num_out_arcs member.
8957 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8959 (cache_presence): New function.
8960 (compare_states_for_equiv): New function.
8961 (state_is_differed): Don't take number of outargs, adjust callers.
8962 Use new invariant for speeding up.
8963 (init_equiv_class): Create initial classes based on sorted
8965 (partition_equiv_class): Don't track out_arcs_num.
8966 (evaluate_equiv_classes): Call cache_presence on all states and
8969 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8971 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8972 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8973 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8974 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8976 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8977 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8978 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8979 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8980 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8982 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8983 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8984 (REGNO_REG_CLASS): ARGP is in PREGS.
8985 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8987 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8988 to deal with those addresses.
8989 * addresses.h: New file.
8990 * caller-save.c: Include "addresses.h".
8991 (init_caller_save): Use new base_reg_class function.
8992 * rtl-factoring.c: Include "addresses.h".
8993 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8994 * recog.c: Include "addresses.h".
8995 (preprocess_constraints): Use new base_reg_class function.
8996 * regrename.c: Include "addresses.h".
8997 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8998 functions. Keep track of a new var INDEX_CODE to compute valid
9000 (replace_oldest_value_addr): Likewise.
9001 (replace_oldest_value_mem): Use base_reg_class.
9002 * reload.c: Include "addresses.h".
9003 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9004 (find_reloads): Use new base_reg_class function.
9005 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9006 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9007 all callers and prototype changed.
9008 * reload1.c: Include "addresses.h".
9009 (maybe_fix_stack_asms): Use base_reg_class.
9010 * regclass.c: Include "addresses.h".
9011 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9012 (init_reg_autoinc): Use new base_reg_class function.
9013 (record_reg_classes): Likewise.
9014 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9015 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9016 Use new args to compute necessary class.
9018 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9019 regrename.o, rtl-factoring.o): Update dependencies.
9020 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9021 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9022 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9023 REG_OK_FOR_INDEX_P): Delete documentation.
9025 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9027 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9028 from V7 to V9 for Solaris 7 and above.
9030 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9032 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9033 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9034 argument pointers may not alias any other storage.
9035 * common.opt: Define option -fargument-noalias-anything.
9036 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9037 alias semantics is specified by flag_argument_noalias > 2.
9039 2006-03-20 Jeff Law <law@redhat.com>
9041 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9042 (pass_phi_only_cprop): Declare.
9043 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9045 * tree-ssa-dom.c (degenerate_phi_result): New function.
9046 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9047 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9048 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9049 (eliminate_degenerate_phis): Likewise.
9050 (pass_phi_only_cprop): New pass descriptor.
9051 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9052 support code. Callers updated.
9053 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9054 (store_copy_prop): Likewise.
9055 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9057 2006-03-20 Jason Merrill <jason@redhat.com>
9060 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9061 (push_visibility, pop_visibility): Likewise.
9062 * c-pragma.h: Declare them.
9064 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9066 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9068 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9069 parameter and use get_ebb_head_tail.
9070 (sh_md_init_global): Adjust uses of find_regmode_weight.
9072 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9074 * function.h (struct function) <x_tail_recursion_reentry>:
9075 Rename to x_stack_check_probe_note.
9076 (tail_recursion_reentry): Rename to stack_check_probe_note.
9077 * function.c: Replace tail_recursion_reentry with
9078 stack_check_probe_note everywhere.
9079 (expand_function_start): Only emit a note for
9080 stack_check_probe_note with -fstack-protect.
9081 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9083 * emit-rtl.c (remove_unnecessary_notes): Remove.
9084 (pass_remove_unnecessary_notes): Remove.
9085 * rtl.h (remove_unnecessary_notes): Remove prototype.
9086 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9087 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9088 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9090 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9093 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9094 (valid_in_set): Handle ARRAY_REF.
9095 Change "if min_variant or VH" to asserts.
9096 (create_component_ref_by_pieces): Handle ARRAY_REF.
9097 (create_expression_by_pieces): Likewise.
9098 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9100 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9102 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9103 is operand of switch, not str[0].
9105 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9107 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9108 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9110 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9112 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9113 end of insn_extra_address_constraint declaration.
9115 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9117 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9118 (no-sum-in-toc): Same.
9119 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9121 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9122 NO_FP_IN_TOC for -fPIC instead of mask.
9124 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9125 (BOOT_LDFLAGS): Delete.
9127 * config/rs6000/t-aix52: Same.
9129 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9130 (stmsi[345678]_power): New.
9132 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9134 * config/ia64/ia64.opt: Add empty line to end of file.
9136 2006-03-17 Richard Guenther <rguenther@suse.de>
9139 * builtins.c (get_pointer_alignment): For component style references
9140 adjust alignment to the component type alignment. Make sure
9141 to adjust alignment for component access of constants.
9143 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9145 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9148 2006-03-17 Paul Brook <paul@codesourcery.com>
9150 * doc/install.texi: Docuemnt --with-mode.
9151 * config.gcc: Add --with-mode for arm*-*-*.
9152 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9154 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9156 * sh.c (max_labelno_before_reorg): New variable.
9157 (sh_reorg): Initialize it.
9158 (find_barrier): Check max_labelno_before_reorg before using
9159 label_to_alignment. Take length of explicit alignment insns
9160 into account. When seeing a UNSPECV_CONST_END, return it.
9162 * sh.c (fixup_mova): Set mode of affected label to QImode.
9163 (untangle_mova): New function.
9164 (find_barrier): Use it. Check mode of label before decrementing
9166 (sh_reorg): Likewise.
9167 Set mode of all insns back to VOIDmode.
9169 * sh.c (MOVA_LABELREF): New macro.
9170 (mova_p, fixup_mova, sh_reorg): Use it.
9171 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9172 ADDR_DIFF_VEC matches mova.
9174 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9176 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9177 with ATTRIBUTE_UNUSED.
9179 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9181 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9182 pointer, instead of assuming it is possible to derive the
9183 correct args size from a call insn.
9185 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9187 * rtl.h (CONST_INT_P): Define.
9188 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9189 instead of GET_CODE(x) == CONST_INT.
9190 (vax_rtx_costs): Likewise.
9191 (vax_output_int_move): Likewise.
9192 (vax_output_int_add): Likewise.
9193 (legitimate_constant_address_p): Likewise.
9194 (index_term_p): Likewise.
9195 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9196 * config/vax/vax.md (and<mode>3): Likewise.
9197 (ashrsi3): Likewise.
9199 (movstricthi): Likewise.
9200 (movstrictqi): Likewise.
9201 (rotrsi3): Likewise.
9202 (five unnamed insns): Likewise.
9204 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9206 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9207 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9208 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9209 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9210 Pass to ASM_OUTPUT_DWARF_OFFSET.
9211 * dwarf2out.c (debug_frame_section): New.
9212 (output_call_frame_info): Use debug_frame_section. Pass it to
9213 dw2_asm_output_offset.
9214 (output_die): Pass appropriate section to dw2_asm_output_offset.
9215 (output_compilation_unit_header): Likewise.
9216 (output_pubnames): Likewise.
9217 (output_aranges): Likewise.
9218 (enum dw_val_class): Break dw_val_class_lbl_offset into
9219 dw_val_class_lineptr and dw_val_class_macptr.
9220 (add_AT_lbl_offset): Delete.
9221 (add_AT_lineptr): New.
9222 (add_AT_macptr): New.
9223 (AT_lbl): Expect a lineptr or macptr.
9224 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9225 (attr_checksum): Likewise.
9226 (same_dw_val_p): Likewise.
9227 (size_of_die): Likewise.
9228 (value_format): Likewise.
9229 (output_die): Likewise.
9230 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9232 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9233 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9234 * config/darwin-protos.h (darwin_file_start): New.
9235 (darwin_asm_output_dwarf_offset): New.
9236 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9237 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9239 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9240 if not EH section; simplify.
9241 (darwin_file_start): New.
9242 (darwin_asm_output_dwarf_offset): New.
9243 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9245 (DEBUG_INFO_SECTION): Likewise.
9246 (DEBUG_ABBREV_SECTION): Likewise.
9247 (DEBUG_ARANGES_SECTION): Likewise.
9248 (DEBUG_MACINFO_SECTION): Likewise.
9249 (DEBUG_LINE_SECTION): Likewise.
9250 (DEBUG_LOC_SECTION): Likewise.
9251 (DEBUG_PUBNAMES_SECTION): Likewise.
9252 (DEBUG_STR_SECTION): Likewise.
9253 (DEBUG_RANGES_SECTION): Likewise.
9254 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9255 (ASM_OUTPUT_DWARF_OFFSET): New.
9257 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9259 * config.gcc (tm_defines): Always add to previous value rather
9262 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9264 * config/mips/predicates.md (splittable_const_int_operand): New,
9265 split from move_operand.
9266 (splittable_symbolic_operand): New.
9267 (move_operand): Add commentary. Use splittable_const_int_operand.
9268 Inline mips_atomic_symbolic_constant_p.
9269 * config/mips/mips.md: Add combine splitters for handling moves
9270 of splittable_const_int_operands and splittable_symbolic_operands.
9271 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9272 (mips_split_symbol): Declare.
9273 (mips_move_integer): Declare.
9274 * config/mips/mips.c (mips_split_p): Make global.
9275 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9276 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9277 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9278 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9279 (mips_offset_within_object_p): Handle block symbols.
9280 (mips_atomic_symbolic_constant_p): Delete.
9281 (mips_cannot_force_const_mem): Return false for constants that
9282 mips_legitimize_move can handle.
9283 (mips_use_blocks_for_constant_p): New function.
9284 (mips_split_symbol): Make global.
9285 (mips_move_integer): Likewise. Add a temporary register argument.
9286 (mips_legitimize_const_move): Use splittable_const_int_operand and
9287 splittable_symbolic_operand.
9288 (mips_use_anchors_for_symbol_p): New function.
9289 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9290 (mips_split_p): Declare.
9292 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9294 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9295 (mips*-*-linux*): Likewise.
9297 2006-03-16 Roger Sayle <roger@eyesopen.com>
9298 Daniel Speyer <dspeyer@wam.umd.edu>
9301 * tree-dump.c (dump_real): New function.
9302 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9303 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9304 (tree-dump.o): Add $(REAL_H) to the dependencies.
9306 2006-03-16 Roger Sayle <roger@eyesopen.com>
9309 * real.c (real_from_string): If the mantissa is zero, don't bother
9310 parsing the exponent as the result should always be zero.
9312 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9314 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9316 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9318 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9319 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9320 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9321 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9322 ia64_sched_finish_global): New static functions to implement
9323 hooks from gcc_target.sched.
9324 (spec_check_no, max_uid, pending_data_specs): New static variables.
9325 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9326 ia64_spec_check_src_p): New static functions.
9327 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9328 (TARGET_SCHED_ADJUST_COST): Removed.
9329 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9330 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9331 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9332 TARGET_SCHED_GEN_CHECK,
9333 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9334 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9335 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9336 Fixed to handle speculation checks.
9337 (rtx_needs_barrier): Fixed to handle speculative loads and
9339 (ia64_variable_issue): Added code to count speculative loads and their
9341 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9343 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9345 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9347 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9348 (ia64_reorg): Reset stops_p to NULL after it is freed.
9349 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9350 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9351 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9353 (data_speculative, control_speculative, check_load): New attributes.
9354 (mov<mode>_advanced, mov<mode>_speculative,
9355 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9356 zero_extend<mode>di2_speculative,
9357 zero_extend<mode>di2_speculative_advanced): New patterns for
9358 data and control speculative loads.
9359 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9361 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9362 New pattern for data and control speculation checks.
9363 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9364 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9365 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9366 Auxiliary definitions for the patterns.
9367 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9368 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9370 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9372 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9373 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9374 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9375 New resource constraints.
9376 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9378 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9379 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9380 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9381 msched-in-control-spec, msched-ldc, msched-control-ldc,
9382 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9383 msched-prefer-non-control-spec-insns,
9384 msched-count-spec-in-critical-path): New flags to tune speculative
9386 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9387 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9388 msched-in-control-spec, msched-ldc, msched-control-ldc,
9389 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9390 msched-prefer-non-control-spec-insns,
9391 msched-count-spec-in-critical-path): Document new flags.
9393 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9395 * target.h (struct spec_info_def): New opaque declaration.
9396 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9397 speculate_insn, needs_block_p, gen_check,
9398 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9399 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9400 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9401 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9402 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9403 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9405 (TARGET_SCHED): Use new macros.
9406 * rtl.h (copy_DEPS_LIST_list): New prototype.
9407 * sched-int.h (struct sched_info): Change signature of new_ready field,
9408 adjust all initializations. New fields: add_remove_insn,
9409 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9410 region_head_or_leaf_p.
9411 (struct spec_info_def): New structure declaration.
9412 (spec_info_t): New typedef.
9413 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9414 recovery_block, orig_pat.
9415 (glat_start, glat_end): New variables declaraions.
9416 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9418 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9419 DETACH_LIFE_INFO, USE_GLAT.
9420 (enum SPEC_SCHED_FLAGS): New enumeration.
9421 (NOTE_NOTE_BB_P): New macro.
9422 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9423 attach_life_info, debug_spec_status, check_reg_live): New functions.
9424 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9425 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9427 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9428 * ddg.c (get_block_head_tail): Adjust all uses.
9429 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9430 (sms_sched_info): Initialize new fields.
9431 (contributes_to_priority): Removed.
9432 * haifa-sched.c (params.h): New include.
9433 (get_block_head_tail): Adjust all uses.
9434 (ISSUE_POINTS): New macro.
9435 (glat_start, glat_end): New global variables.
9436 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9437 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9438 old_last_basic_block, before_recovery, current_sched_info_var,
9439 rgn_n_insns, luid): New static variables.
9440 (insn_cost1): New function. Move logic from insn_cost to here.
9441 (find_insn_reg_weight1): New function. Move logic from
9442 find_insn_reg_weight to here.
9443 (reemit_notes, move_insn, max_issue): Change signature.
9444 (move_insn1): Removed.
9445 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9446 extend_bb): New static functions to support extension of scheduler's
9448 (generate_recovery_code, process_insn_depend_be_in_spec,
9449 begin_speculative_block, add_to_speculative_block,
9450 init_before_recovery, create_recovery_block, create_check_block_twin,
9451 fix_recovery_deps): New static functions to support
9452 generation of recovery code.
9453 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9454 restore_bb_notes, move_block_after_check, move_succs): New static
9455 functions to support ebb scheduling.
9456 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9457 functions to support handling of register live information.
9458 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9459 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9460 add_jump_dependencies): New static functions.
9461 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9462 consistancy checking.
9463 (debug_spec_status): New function to call from debugger.
9464 (priority): Added code to handle speculation checks.
9465 (rank_for_schedule): Added code to distinguish speculative instructions.
9466 (schedule_insn): Added code to handle speculation checks.
9467 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9468 Fixed to handle ebbs.
9469 (move_insn): Added code to handle ebb scheduling.
9470 (max_issue): Added code to use ISSUE_POINTS of instructions.
9471 (choose_ready): Added code to choose between speculative and
9472 non-speculative instructions.
9473 (schedule_block): Added code to handle ebb scheduling and scheduling of
9474 speculative instructions.
9475 (sched_init): Initialize new variables.
9476 (sched_finish): Free new variables. Print statistics.
9477 (try_ready): Added code to handle speculative instructions.
9478 * lists.c (copy_DEPS_LIST_list): New function.
9479 * sched-deps.c (extend_dependency_caches): New function. Move logic
9480 from create_dependency_caches to here.
9481 (get_dep_weak, ds_merge): Make global.
9482 * genattr.c (main): Code to output prototype for
9483 dfa_clear_single_insn_cache.
9484 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9485 (output_dfa_clean_insn_cache_func): Code to output
9486 dfa_clear_single_insn_cache function.
9487 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9489 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9491 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9492 New static variables.
9493 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9494 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9496 (ebb_sched_info): Initialize new fields.
9497 (get_block_head_tail): Adjust all uses.
9498 (compute_jump_reg_dependencies): Fixed to use glat_start.
9499 (schedule_ebb): Code to remove unreachable last block.
9500 (schedule_ebbs): Added code to update register live information.
9501 * sched-rgn.c (region_sched_info): Initialize new fields.
9502 (get_block_head_tail): Adjust all uses.
9503 (last_was_jump): Removed. Adjust users.
9504 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9505 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9506 Implement new hooks.
9507 (check_dead_notes1): New static function.
9508 (struct region): New fields: dont_calc_deps, has_real_ebb.
9509 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9510 (BB_TO_BLOCK): Fixed to handle EBBs.
9511 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9512 (ebb_head): New static variable.
9513 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9514 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9516 (compute_dom_prob_ps): New assertion.
9517 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9518 global_live_at_start.
9519 (init_ready_list): New assertions.
9520 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9521 (new_ready): Add support for BEGIN_CONTROL speculation.
9522 (schedule_insns): Fixed code that updates register live information
9524 (schedule_region): Fixed to handle EBBs.
9525 (init_regions): Use extend_regions and check_dead_notes1.
9526 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9527 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9528 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9529 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9530 TARGET_SCHED_GEN_CHECK,
9531 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9532 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9533 * doc/invoke.texi (max-sched-insn-conflict-delay,
9534 sched-spec-prob-cutoff): Document.
9536 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9538 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9539 inter_tick, queue_index.
9540 (struct sched_info): Change signature of init_ready_list field.
9541 Adjust all initializations.
9542 (RESOLVED_DEPS): New access macro.
9543 (ready_add): Remove prototype.
9544 (try_ready): Add prototype.
9545 * sched-rgn.c (init_ready_list): Use try_ready.
9546 (schedule_region): Initialize
9547 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9548 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9549 (init_ready_list): Use try_ready.
9550 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9551 * lists.c (remove_list_elem): Remove `static'.
9552 (remove_free_INSN_LIST_elem): New function.
9553 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9554 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9555 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9557 (readyp): New variable.
9558 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9559 change_queue_index, resolve_dep): New static functions.
9560 (try_ready): New function. Adjust callers in sched-rgn.c and
9561 sched-ebb.c to use it instead of ready_add.
9562 (clock_var): Move at the begining of file.
9563 (rank_for_schedule): Fix typo.
9564 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9565 (ready_lastpos): Enforce assertion.
9566 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9568 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9569 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9570 (queue_to_ready): Use free_INSN_LIST_list.
9571 (early_queue_to_ready): Fix typo.
9572 (schedule_block): Init readyp. Move init_ready_list call after the
9573 initialization of clock_var. Fix error in rejecting insn by
9574 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9575 that previously corrected INSN_TICKs. Add code for handling
9577 (set_priorities): Fix typo.
9578 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9579 Clarify comment and code that keeps current_sched_info->next_tail
9582 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9584 * sched-rgn.c (extend_rgns): New static function.
9585 (find_rgns): Use it.
9586 (gather_region_statistics, print_region_statistics): New static
9588 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9589 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9591 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9592 Andrey Belevantsev <abel@ispras.ru>
9594 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9595 * lists.c (unused_deps_list): New variable.
9596 (free_list): Add assertions to verify the proper distinguishing
9597 between INSN_LISTs and DEPS_LISTs.
9598 (find_list_elem, remove_list_elem, remove_list_node): New static
9600 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9601 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9602 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9603 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9605 (free_INSN_LIST_node): Likewise.
9606 * modulo-sched.c (current_sched_info): Initialize flags field.
9607 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9608 * rtl.def (DEPS_LIST): Define.
9609 * rtl.h: Declare new functions from lists.c.
9610 * sched-deps.c (spec_dependency_cache): New static variable.
9611 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9612 (add_dependence): Change return type to void. Move the logic to ...
9613 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9614 (delete_all_dependences): Add comment about forward_dependency_cache.
9615 Handle spec_dependency_cache. Handle DEPS_LISTs.
9616 (fixup_sched_groups): Clarify the change of priority of output
9617 and anti dependencies.
9618 (sched_analyze_2): Adjust add_dependence calls to create data
9619 speculative dependence.
9620 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9621 Adjust all callers. Handle DEPS_LISTS.
9622 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9623 presence of speculation.
9624 (init_dependency_caches, free_dependency_caches):
9625 Handle spec_dependency_cache.
9626 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9627 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9628 New static functions.
9629 (add_or_update_back_dep, add_or_update_back_forw_dep,
9630 add_back_forw_dep, delete_back_forw_dep): New functions.
9631 * sched-int.h (ds_t, dw_t): New typedefs.
9632 (struct sched_info): Add new field flags.
9633 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9634 Prototype new sched-deps.c functions.
9635 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9636 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9637 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9638 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9639 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9640 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9642 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9644 * sched-rgn.c (current_sched_info): Initialize flags field.
9645 (schedule_insns): Initialize current_sched_info before the sched_init
9647 * sched-ebb.c (current_sched_info): Initialize flags field.
9648 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9649 Call add_or_update_back_dep instead of add_dependence.
9650 Create control speculative dependencies.
9651 (schedule_insns): Initialize current_sched_info before the sched_init
9654 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9656 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9658 (sh_fallback_frame_state): Likewise.
9660 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9662 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9663 Do switch on default_use_cxa_atexit.
9664 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9665 * config/darwin-crt3.o: New.
9666 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9667 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9668 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9670 * config/rs6000/t-darwin: Move crt2.o building to here.
9671 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9672 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9675 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9677 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9678 from '! xxx' to '!xxx' for coding-style conformance.
9679 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9680 (EXTRA_CONSTRAINT): Likewise.
9681 * config/vax/vax.md (four unnamed insns): Likewise.
9683 2006-03-15 Paul Brook <paul@codesourcery.com>
9685 * config/arm/arm.c (minipool_pad): New.
9686 (add_minipool_forward_ref): Include pool alignment padding in address
9688 (push_minipool_fix): Set minipool_pad.
9689 (minipool_pad): Ditto.
9691 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9693 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9694 instead of GET_CODE() == MEM and REG_P() instead of
9696 (print_operand_address): Likewise.
9697 (vax_address_cost): Likewise.
9698 (vax_rtx_costs): Likewise.
9699 (vax_notice_update_cc): Likewise.
9700 (vax_output_int_add): Likewise.
9701 (INDEX_REGISTER_P): Likewise.
9702 (BASE_REGISTER_P): Likewise.
9703 (nonindexed_address_p): Likewise.
9704 (vax_mode_dependent_address_p): Likewise.
9705 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9706 (PRINT_OPERAND): Likewise.
9707 * config/vax/vax.md (ashlsi3): Likewise.
9708 (ashlsi3): Likewise.
9709 (some more unnamed insns): Likewise.
9711 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9713 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9714 iterator-style macro.
9715 (mark_control_dependent_edges_necessary): Update the use of
9716 EXECUTE_IF_CONTROL_DEPENDENT.
9718 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9720 * config/sh/predicates.md (cache_address_operand): Special.
9721 (ua_address_operand): Likewise.
9723 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9725 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9727 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9729 2006-03-15 Andreas Schwab <schwab@suse.de>
9731 * gensupport.c (identify_predicable_attribute): Don't free p_false
9732 when it is still in use.
9734 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9736 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9737 the default setting here.
9739 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9741 * tree-pass.h (pass_cfg): Remove.
9742 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9743 * passes.c (pass_cfg): Don't run it.
9745 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9747 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9748 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9750 (stack_regs_mentioned): Update the uses of
9751 stack_regs_mentioned_data. Don't access the array beyond its
9753 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9754 Don't include gt-reg-stack.h.
9756 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9757 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9759 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9762 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9765 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9767 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9769 2006-03-14 Richard Guenther <rguenther@suse.de>
9771 PR tree-optimization/26672
9772 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9775 2006-03-14 Richard Guenther <rguenther@suse.de>
9777 PR tree-optimization/26667
9778 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9779 node for the callees. Always allow inlining if it will shrink
9782 2006-03-14 Richard Guenther <rguenther@suse.de>
9785 * builtins.c (get_pointer_alignment): Prefer alignment
9786 information from decls over that from types.
9788 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9791 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9793 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9795 * config/rs6000/rs6000.opt (mdlmzb): New option.
9796 (msched-prolog, msched-epilog): Use Var not Mask.
9797 * doc/invoke.texi (-mdlmzb): Document.
9798 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9800 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9801 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9803 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9805 PR rtl-optimization/25739
9806 * bt-load.c (augment_live_range): Free tos pointer.
9808 * gensupport.c (identify_predicable_attribute): Free
9810 * gcov.c (create_file_names): Free name pointer.
9812 2006-03-13 Roger Sayle <roger@eyesopen.com>
9815 * stmt.c (emit_case_nodes): Handle the case where the index is a
9816 CONST_INT, where the comparison mode is specified by the index type.
9818 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9820 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9823 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9825 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9826 (*branch_fp_inverted): Likewise.
9828 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9831 * omp-low.c (expand_omp_for_generic): Mark istart0
9832 and iend0 as addressable.
9834 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9836 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9838 2006-03-13 Jeff Law <law@redhat.com>
9840 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9841 virtual operands are interesting.
9842 (vrp_visit_stmt): Corresponding changes.
9844 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9846 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9848 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9849 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9850 * config/bfin/crti.S: Use it instead of __PIC__.
9851 * config/bfin/crtn.S: Likewise.
9853 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9854 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9856 Lose 'G' modifier for call operand.
9857 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9858 recognize 'G' modifier.
9860 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9863 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9864 * stmt.c (expand_case): Likewise.
9866 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9868 PR rtl-optimization/26254
9869 * loop-invariant.c (seq_insns_valid_p): New function.
9870 (move_invariant_reg): Only emit new code if it is valid.
9872 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9874 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9876 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9877 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9878 (commit_one_edge_insertion): Do not look for loop notes.
9880 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9882 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9883 flag_test_coverage out of loop.
9885 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9887 * final.c (shorten_branches): Remove outdated comment, and turn
9888 the if branch that guards it to continue.
9890 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9892 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9893 * cfgloop.h (struct loop): Remove unused fields.
9895 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9897 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9898 (-dL, -fdump-rtl-loop2): Update the dump file names
9900 * doc/invoke.texi: Update dump file names.
9902 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9904 * predict.c (estimate_probability): Remove.
9905 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9906 * basic-block.h (estimate_probability): Remove prototype.
9907 * passes.c (finish_optimization_passes): Dump branch prediction or
9908 profiling heuristics to the .profile tree dump.
9909 (init_optimization_passes): Unqueue pass_branch_prob.
9911 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9913 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9915 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9916 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9918 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9920 * function.h (frame_offset_overflow): Declare.
9921 * function.c (frame_offset_overflow): New function.
9922 (assign_stack_local_1): Call it to detect that the offset overflows.
9923 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9925 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9927 * config/sh/sh.c: Include alloc-pool.h.
9928 (label_ref_list_pool): New alloc pool.
9929 (label_ref_list_t): New type for lists of labels.
9930 (struct pool_node): Make wend a label_ref_list_t.
9931 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9933 (dump_table): Likewise.
9934 (sh_reorg): Set up the alloc pool before using add_constant and
9935 dump_table, and destroy it when finishing.
9937 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9939 * config/mips/mips.c: Remove redundant comment.
9941 2006-03-10 Jason Merrill <jason@redhat.com>
9944 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9945 the target was declared 'register'.
9947 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9949 * genpreds.c (write_insn_constraint_len): Change definition of
9950 insn_constraint_len to return size_t to match the declaration.
9952 2006-03-10 DJ Delorie <dj@redhat.com>
9954 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9956 (m32c_expand_insv): Fix test for an AND mask.
9958 2006-03-10 Richard Guenther <rguenther@suse.de>
9961 * builtins.c (get_pointer_alignment): Handle component
9962 references for field alignment.
9964 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9966 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9967 when building with libgloss.
9968 (sh*elf): Implement --without-fp option.
9969 (sh64-superh-linux*): Don't multilib.
9971 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9973 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9975 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9977 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9978 Set it when one of the replacement functions returned true.
9979 Return TODO_cleanup_cfg if cfgchanged is true.
9980 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9982 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9984 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9985 instead of gen_lowpart.
9987 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9989 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9991 (mips_output_order_conditional_branch): Declare.
9992 * config/mips/mips.h (MIPS_BRANCH): New macro.
9993 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9994 for the comparison. Use gen_condjump.
9995 (mips_output_conditional_branch): Rework interface to take the
9996 asm templates for a direct branch and the inverse of a direct branch.
9997 (mips_output_order_conditional_branch): New function.
9998 (mips_builtin_branch_and_move): New function.
9999 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10000 branch condition. Use gen_single_cc as the condition for
10001 __builtin_mips_upper_* or __builtin_mips_lower_*.
10002 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10003 Use VOIDmode for the branch condition.
10004 * config/mips/predicates.md (order_operator): New predicate.
10005 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10006 (branch_fp): Rename to...
10007 (*branch_fp): ...this. Remove mode from comparison operator.
10008 Use new mips_output_conditional_branch interface.
10009 (branch_fp_inverted): Rename to...
10010 (*branch_fp_inverted): ...this and update as for *branch_fp.
10011 (*branch_zero<mode>): Rename to...
10012 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10013 Use mips_output_order_conditional_branch. Only accept ordered
10015 (*branch_zero<mode>_inverted): Rename to...
10016 (*branch_order<mode>_inverted): ...this and update as for
10017 *branch_order<mode>.
10018 (*branch_equality<mode>): Accept zero as the second operand to
10019 the equality operator. Use the new mips_output_conditional_branch
10021 (*branch_equality<mode>_inverted): Likewise.
10022 (condjump): New expander.
10023 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10025 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10026 (bc1any2t, bc1any2f): Likewise.
10027 (single_cc): New expander.
10028 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10030 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10032 * doc/md.texi: Update documentation of MIPS constraints.
10033 * config/mips/constraints.md: New file.
10034 * config/mips/mips.md: Include it.
10035 * config/mips/mips.c (mips_char_to_class): Delete.
10036 (override_options): Don't initialize mips_char_to_class.
10037 * config/mips/mips.h (mips_char_to_class): Delete.
10038 (REG_CLASS_FROM_LETTER): Delete.
10039 (CONST_OK_FOR_LETTER_P): Delete.
10040 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10041 (EXTRA_CONSTRAINT_Y): Delete.
10042 (EXTRA_CONSTRAINT_STR): Delete.
10043 (CONSTRAINT_LEN): Delete.
10044 (EXTRA_MEMORY_CONSTRAINT): Delete.
10046 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10048 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10049 original fn's eh regions.
10051 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10053 * fold-const.c (build_range_check): Make sure to use a valid type to
10054 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10057 (range_predecessor): New static function.
10058 (range_successor): Likewise.
10059 (merge_ranges): Use them to compute predecessors and successors of
10062 2006-03-09 Roger Sayle <roger@eyesopen.com>
10064 PR middle-end/26561
10065 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10066 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10068 2006-03-08 DJ Delorie <dj@redhat.com>
10070 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10071 (addpsi3): Expand to include memory operands. Remove
10072 reload-specific splits.
10073 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10074 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10075 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10076 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10077 (shift1_qi, shift1_hi, insv): New.
10078 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10079 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10080 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10082 * config/m32c/m32c-protos.h: Update as needed.
10083 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10084 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10085 Fail for unrecognized R* constraints.
10086 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10087 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10088 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10090 (m32c_init_libfuncs): New.
10091 (m32c_legitimate_address_p): Add debug wrapper.
10092 (m32c_rtx_costs): New.
10093 (m32c_address_cost): New.
10094 (conversions): Add 'B' prefix.
10095 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10096 operands, or word regnames for QI operands. 'B' prints bit
10098 (m32c_expand_setmemhi): New.
10099 (m32c_expand_movmemhi): New.
10100 (m32c_expand_movstr): New.
10101 (m32c_expand_cmpstr): New.
10102 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10103 (m32c_expand_neg_mulpsi3): Handle non-ints.
10104 (m32c_cmp_flg_0): New.
10105 (m32c_expand_movcc): New.
10106 (m32c_expand_insv): New.
10107 (m32c_scc_pattern): New.
10108 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10109 a0/a1 out of SIregs.
10110 (STORE_FLAG_VALUE): New.
10111 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10114 * config/m32c/mov.md: Make constraints more liberal.
10115 (zero_extendqihi2): Optimize r0/r1 case.
10116 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10117 * config/m32c/predicates.md (m32c_any_operand): New.
10118 (m32c_nonimmediate_operand): New.
10119 (m32c_hl_operand): New.
10120 (m32c_r3_operand): New.
10123 (memsym_operand): New.
10124 (memimmed_operand): New.
10125 (a_qi_operand): New.
10126 (m32c_eqne_operator): New.
10127 (m32c_1bit8_operand): New.
10128 (m32c_1bit16_operand): New.
10129 (m32c_1mask8_operand): New.
10130 (m32c_1mask16_operand): New.
10131 * config/m32c/blkmov.md: New file.
10132 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10134 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10136 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10137 unsigned to fix signed/unsigned comparison issue in
10138 DWARF2_FRAME_REG_OUT.
10139 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10140 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10142 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10143 of ptr into the ENABLE_CHECKING section.
10145 2006-03-08 Jeff Law <law@redhat.com>
10147 * tree-vrp.c (infer_value_range): Only count pointer uses
10148 and dereferences if -fdelete-null-pointer-checks is enabled.
10150 * tree-vrp.c (find_assert_locations): Infer value ranges for
10151 single use pointers, but do not create ASSERT_EXPRs for them.
10152 When a non-null range is inferred for a pointer, backwards
10153 propagate that range to other equivalent pointers through the
10156 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10159 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10160 language hook targets.
10161 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10162 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10163 if language hook targets were missing.
10165 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10167 * tree-ssa-opfinalize.h: Removed.
10168 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10170 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10171 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10172 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10173 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10174 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10175 finalize_ssa_v_must_def_ops): New.
10177 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10179 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10180 block as parameter.
10182 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10184 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10186 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10187 addresses with offsets; reorganize.
10189 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10190 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10191 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10193 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10196 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10198 2006-03-08 Ben Elliston <bje@au.ibm.com>
10200 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10202 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10205 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10208 2006-03-07 Richard Guenther <rguenther@suse.de>
10210 PR tree-optimization/26587
10211 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10213 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10215 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10217 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10219 * hooks.c (hook_bool_mode_rtx_true): New function.
10220 * hooks.h (hook_bool_mode_rtx_true): Declare.
10221 * toplev.c (compile_file): Call output_shared_constant_pool.
10222 * varasm.c (shared_constant_pool): New variable.
10223 (assemble_start_function, assemble_end_function): Remove arguments
10224 from call to output_constant_pool.
10225 (create_constant_pool): New function, split out from...
10226 (init_varasm_status): ...here.
10227 (force_const_mem): Choose between the shared and per-function constant
10228 pools. Set current_function_uses_const_pool when reusing old entries
10229 as well as when creating new ones.
10230 (mark_constant): Ignore data argument.
10231 (mark_constants): Remove pool argument.
10232 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10233 to decide whether the function uses a constant pool.
10234 (output_constant_pool_contents): New function, split out from...
10235 (output_constant_pool): ...here.
10236 (output_shared_constant_pool): New function.
10237 (init_varasm_once): Initialize shared_constant_pool.
10238 * output.h (output_constant_pool): Delete.
10239 (output_shared_constant_pool): Declare.
10240 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10241 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10243 2006-03-06 Nick Clifton <nickc@redhat.com>
10245 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10246 flag_strength_reduce.
10248 2006-03-06 Ben Elliston <bje@au.ibm.com>
10250 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10251 x86_64-*-linux* configurations.
10253 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10254 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10256 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10258 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10260 * basic-block.h: Remove the extern for
10261 rediscover_loops_after_threading.
10263 * cfgloop.c (cancel_loop): Make it static.
10264 * cfgloop.h: Remove the prototype for cancel_loop.
10266 * flow.c (recompute_reg_usage): Make it static.
10267 * rtl.h: Remove the prototype for recompute_reg_usage.
10269 * function.c (use_return_register): Make it static.
10270 * function.h: Remove the prototype.
10272 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10274 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10276 * recog.h: Remove the prototype for
10277 validate_change_maybe_volatile.
10279 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10281 * rtlanal.c (replace_reg): Remove.
10282 * rtl.h: Remove the prototype for replace_reg.
10284 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10286 * regclass.c (reg_scan_update): Remove.
10287 (reg_scan_mark_refs): Remove the last argument.
10288 * rtl.h: Remove the prototype for reg_scan_update.
10290 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10292 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10293 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10294 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10295 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10296 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10297 loop-invariant.c, omp-low.c, opts.c, passes.c,
10298 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10299 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10300 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10301 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10302 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10303 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10305 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10307 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10308 * dwarf2out.h: Remove the prototype for
10309 dwarf2out_add_library_unit_info.
10311 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10313 * tree.c (add_var_to_bind_expr): Remove.
10314 * tree.h: Remove the prototype for add_var_to_bind_expr.
10316 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10318 * regclass.c (n_non_fixed_regs): Remove.
10319 (init_reg_sets_1, globalize_reg): Remove all uses of
10321 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10323 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10325 * rtlanal.c (insns_safe_to_move_p): Remove.
10326 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10328 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10330 * expmed.c (expand_mult_add): Remove.
10331 * expr.h: Remove the prototype for expand_mult_add.
10333 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10335 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10336 and REG_SAVED_VAL_EXP constants.
10337 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10338 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10339 Handle regs stored by value.
10340 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10341 (execute_cfa_program): Handle DW_CFA_val_offset,
10342 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10343 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10344 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10345 (uw_install_context_1): Handle target regs stored by value.
10347 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10349 * tree-sra.c (tree_sra): Return todoflags;
10350 (generate_one_element): Set TODO_update_smt_usage if needed.
10351 (pass_sra): Remove TODO_update_smt_usage.
10352 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10354 (tree_ssa_forward_propagate_single_use_vars): Return
10355 TODO_update_smt_usage if we need to update SMT usage.
10356 (pass_forwprop): Remove TODO_update_smt_usage.
10358 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10360 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10361 (correct_use_link): Remove reference to get_stmt_operands.
10362 (update_stmt_operands): Likewise.
10363 (get_modify_expr_operands): New function factored out of
10364 parse_ssa_operands and get_expr_operands.
10365 Try to create V_MUST_DEFs for LHS by default.
10366 (get_expr_operands) <case MODIFY_EXPR>: Call
10367 get_modify_expr_operands.
10368 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10369 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10370 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10371 get_modify_expr_operands.
10373 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10375 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10376 * tree-flow.h: Remove the prototype for
10377 referenced_var_lookup_if_exists.
10379 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10381 PR rtl-optimization/26345
10383 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10385 2006-03-03 Roger Sayle <roger@eyesopen.com>
10387 PR tree-optimization/26524
10388 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10389 fold_convert to create a constant of the appropriate type.
10391 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10393 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10394 SYMBOL_REF_IN_BLOCK_P.
10395 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10396 of SYMBOL_FLAG_IN_BLOCK.
10397 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10398 instead of SYMBOL_REF_IN_BLOCK_P.
10399 * explow.c (use_anchored_address): Likewise.
10400 * rtl.c (rtx_size): Likewise.
10401 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10402 instead of SYMBOL_FLAG_IN_BLOCK.
10403 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10404 SYMBOL_REF_IN_BLOCK_P.
10405 (assemble_variable): Likewise.
10406 (output_constant_def_contents): Likewise.
10407 (output_constant_pool): Likewise.
10408 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10409 instead of SYMBOL_FLAG_IN_BLOCK.
10410 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10411 SYMBOL_REF_IN_BLOCK_P.
10412 (SYMBOL_REF_BLOCK): Likewise.
10413 (SYMBOL_REF_OFFSET): Likewise.
10414 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10415 SYMBOL_REF_IN_BLOCK_P.
10416 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10417 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10418 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10419 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10421 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10423 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10425 2006-03-02 Roger Sayle <roger@eyesopen.com>
10427 * simplify-rtx.c (simplify_unary_operation): When simplifying
10428 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10429 that we perform the right shift in the appropriate mode, and
10430 then extend or truncate the result to requested mode.
10432 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10434 * gengtype.c (main): Handle double_int type.
10435 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10436 * double-int.c: New file.
10437 * double-int.h: New file.
10438 * system.h: Include doubleint.h.
10439 * Makefile.in (SYSTEM_H): Include double-int.h.
10440 (double-int.o): Add.
10442 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10445 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10448 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10450 * tree-vrp.c (remove_range_assertions): Do not update statements
10453 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10455 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10457 * gcse.c (rest_of_handle_gcse): Ditto.
10458 * except.c (gate_handle_eh): Ditto.
10459 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10460 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10462 2006-03-02 Eric Christopher <echristo@apple.com>
10464 * config/i386/i386.c (machopic_output_stub): Add indirection to
10467 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10471 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10473 Sun Niagara specific optimizations.
10474 * config.gcc: Recognize niagara as target.
10475 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10476 (TARGET_CPU_niagara): Define.
10477 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10478 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10479 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10480 (ASM_CPU_SPEC): Likewise.
10481 (PROCESSOR_NIAGARA): New enum entry.
10482 (REGISTER_MOVE_COST): Handle Niagara.
10483 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10484 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10485 (sparc_override_options): Recognize "niagara", set appropriate
10486 default MASK_* values for it, and align functions to 32-bytes
10487 by default just like ULTRASPARC/ULTRASPARC3.
10488 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10489 (sparc64_initialize_trampoline): Likewise.
10490 (sparc_use_sched_lookahead): Use zero for niagara.
10491 (sparc_issue_rate): Use one for niagara.
10492 * config/sparc/niagara.md: New file.
10493 * config/sparc/sparc.md: Include it.
10494 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10495 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10496 when default cpu is niagara.
10497 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10498 (ASM_CPU_SPEC): Likewise.
10499 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10500 when default cpu is niagara.
10501 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10502 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10503 just like v9/ultrasparc/ultrasparc3.
10504 * doc/invoke.texi: Add documentation for "niagara" and improve
10505 existing documentation for ultrasparc variants.
10507 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10509 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10511 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10513 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10514 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10515 and say that only one is needed.
10516 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10517 * target.h (have_switchable_bss_sections): New hook.
10518 * explow.c (use_anchored_address): Check that the symbol is in a block.
10519 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10520 (bss_noswitch_section): New variables.
10521 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10522 (get_noswitch_section): New function.
10523 (get_block_for_section): Allow SECT to be null.
10524 (unlikely_text_section_p): Use SECTION_STYLE.
10525 (bss_initializer_p): New function.
10526 (get_variable_section): Move earlier in file. Take a new argument,
10527 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10528 Return one of the new *_sections in such cases.
10529 (get_block_for_decl): New function, extracting some logic from
10530 use_blocks_for_decl_p.
10531 (change_symbol_section): Remove in favor of...
10532 (change_symbol_block): ...this new function.
10533 (use_blocks_for_decl_p): Remove checks now performed by
10534 get_block_for_decl.
10535 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10536 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10537 (emit_local, emit_bss, emit_common): ...these new functions.
10538 Return true if the alignment was honored.
10539 (emit_tls_common): New function.
10540 (asm_emit_uninitialised): Delete.
10541 (assemble_variable_noswitch): New function, split out from...
10542 (assemble_variable): ...here. Don't make decisions about common
10543 variables here. Globalize all public decls that go into non-common
10544 sections. Check whether SYMBOL_REF_BLOCK is null.
10545 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10546 (output_constant_pool): Likewise.
10547 (init_varasm_once): Initialize the new section variables.
10548 (have_global_bss_p): New function.
10549 (categorize_decl_for_section): Use bss_initializer_p.
10550 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10551 (place_block_symbol): Assert that the symbol must be in a block.
10552 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10553 (TARGET_INITIALIZER): Include it.
10554 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10555 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10556 (SECTION_MACH_DEP): Bump by two.
10557 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10558 (unnamed_section): Mention SECTION_UNNAMED in comment.
10559 (named_section): Likewise SECTION_NAMED.
10560 (noswitch_section_callback): New type.
10561 (noswitch_section): New structure.
10562 (section): Add a noswitch_section alternative.
10563 (SECTION_STYLE): New macro.
10564 (tls_comm_section, comm_section, lcomm_section): Declare.
10565 (bss_noswitch_section, have_global_bss_p): Declare.
10566 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10567 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10569 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10570 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10573 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10575 * tree-vrp.c (execute_vrp): Return value.
10576 * regrename.c (rest_of_handle_regrename): Ditto.
10577 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10578 * tree-complex.c (tree_lower_complex): Ditto.
10579 (tree_lower_complex_O0): Ditto.
10580 * tracer.c (rest_of_handle_tracer): Ditto.
10581 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10582 * postreload.c (rest_of_handle_postreload): Ditto.
10583 * tree-tailcall.c (execute_tail_recursion): Ditto.
10584 (execute_tail_calls): Ditto.
10585 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10586 * tree.h (init_function_for_compilation): Ditto.
10587 * ipa-cp.c (ipcp_driver): Ditto.
10588 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10589 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10590 * final.c (compute_alignments): Ditto.
10591 (rest_of_handle_final): Ditto.
10592 (rest_of_handle_shorten_branches): Ditto.
10593 (rest_of_clean_state): Ditto.
10594 * omp-low.c (execute_expand_omp): Ditto.
10595 (execute_lower_omp): Ditto.
10596 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10597 * ipa-reference.c (static_execute): Ditto.
10598 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10599 * reorg.c (rest_of_handle_delay_slots): Ditto.
10600 (rest_of_handle_machine_reorg): Ditto.
10601 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10602 * flow.c (recompute_reg_usage): Ditto.
10603 (rest_of_handle_remove_death_notes): Ditto.
10604 (rest_of_handle_life): Ditto.
10605 (rest_of_handle_flow2): Ditto.
10606 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10607 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10608 (do_ssa_store_ccp): Ditto.
10609 (execute_fold_all_builtins): Ditto.
10610 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10611 * modulo-sched.c (rest_of_handle_sms): Ditto.
10612 * ipa-pure-const.c (static_execute): Ditto.
10613 * cse.c (rest_of_handle_cse): Ditto.
10614 (rest_of_handle_cse2): Ditto.
10615 * web.c (rest_of_handle_web): Ditto.
10616 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10617 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10618 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10619 * tree-nrv.c (tree_nrv): Ditto.
10620 (execute_return_slot_opt): Ditto.
10621 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10622 (create_structure_vars): Ditto.
10623 * loop-init.c (rtl_loop_init): Ditto.
10624 (rtl_loop_done): Ditto.
10625 (rtl_move_loop_invariants): Ditto.
10626 (rtl_unswitch): Ditto.
10627 (rtl_unroll_and_peel_loops): Ditto.
10628 (rtl_doloop): Ditto.
10629 * gimple-low.c (lower_function_body): Ditto.
10630 (mark_used_blocks): Ditto.
10631 * tree-ssa-sink.c (execute_sink_code): Ditto.
10632 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10633 (cgraph_early_inlining): Ditto.
10634 * global.c (rest_of_handle_global_alloc): Ditto.
10635 * jump.c (cleanup_barriers): Ditto.
10636 (purge_line_number_notes): Ditto.
10637 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10638 (rest_of_handle_if_after_reload): Ditto.
10639 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10640 (tree_ssa_loop_im): Ditto.
10641 (tree_ssa_loop_unswitch): Ditto.
10642 (tree_vectorize): Ditto.
10643 (tree_linear_transform): Ditto.
10644 (tree_ssa_loop_ivcanon): Ditto.
10645 (tree_ssa_empty_loop): Ditto.
10646 (tree_ssa_loop_bounds): Ditto.
10647 (tree_complete_unroll): Ditto.
10648 (tree_ssa_loop_prefetch): Ditto.
10649 (tree_ssa_loop_ivopts): Ditto.
10650 (tree_ssa_loop_done): Ditto.
10651 * predict.c (tree_estimate_probability): Ditto.
10652 * recog.c (split_all_insns_noflow): Ditto.
10653 (rest_of_handle_peephole2): Ditto.
10654 (rest_of_handle_split_all_insns): Ditto.
10655 * tree-eh.c (lower_eh_constructs): Ditto.
10656 * regmove.c (rest_of_handle_regmove): Ditto.
10657 (rest_of_handle_stack_adjustments): Ditto.
10658 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10659 * function.c (instantiate_virtual_regs): Ditto.
10660 (init_function_for_compilation): Ditto.
10661 (rest_of_handle_check_leaf_regs): Ditto.
10662 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10663 (rest_of_handle_gcse): Ditto.
10664 * ipa-type-escape.c (type_escape_execute): Ditto.
10665 * alias.c (rest_of_handle_cfg): Ditto.
10666 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10667 * profile.c (rest_of_handle_branch_prob): Ditto.
10668 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10669 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10670 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10671 * tree-dfa.c (find_referenced_vars): Ditto.
10672 * except.c (set_nothrow_function_flags): Ditto.
10673 (convert_to_eh_region_ranges): Ditto.
10674 (rest_of_handle_eh): Ditto.
10675 * emit-rtl.c (unshare_all_rtl): Ditto.
10676 (remove_unnecessary_notes): Ditto.
10677 * except.h (set_nothrow_function_flags): Ditto.
10678 (convert_to_eh_region_ranges): Ditto.
10679 * cfgexpand.c (tree_expand_cfg): Ditto.
10680 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10681 * tree-ssa-pre.c (do_pre): Ditto.
10682 (execute_fre): Ditto.
10683 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10684 (rest_of_handle_jump2): Ditto.
10685 * tree-sra.c (tree_sra): Ditto.
10686 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10687 (execute_mudflap_function_decls): Ditto.
10688 * tree-ssa-copy.c (do_copy_prop): Ditto.
10689 (do_store_copy_prop): Ditto.
10690 * ipa-prop.h (ipcp_driver): Ditto.
10691 * cfglayout.c (insn_locators_initialize): Ditto.
10692 * tree-ssa-forwprop.c
10693 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10694 * cfglayout.h (insn_locators_initialize): Ditto.
10695 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10696 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10697 (execute_late_warn_uninitialized): Ditto.
10698 * rtl.h (cleanup_barriers): Ditto.
10699 (split_all_insns_noflow): Ditto.
10700 (purge_line_number_notes): Ditto.
10701 (unshare_all_rtl): Ditto.
10702 (remove_unnecessary_notes): Ditto.
10703 (recompute_reg_usage): Ditto.
10704 (variable_tracking_main): Ditto.
10705 * integrate.c (emit_initial_value_sets): Ditto.
10706 * integrate.h (emit_initial_value_sets): Ditto.
10707 * tree-optimize.c (execute_free_datastructures): Ditto
10708 (execute_free_cfg_annotations): Ditto.
10709 (execute_fixup_cfg): Ditto.
10710 (execute_cleanup_cfg_pre_ipa): Ditto.
10711 (execute_cleanup_cfg_post_optimizing): Ditto.
10712 (execute_init_datastructures): Ditto.
10713 * tree-object-size.c (compute_object_sizes): Ditto.
10714 * combine.c (rest_of_handle_combine): Ditto.
10715 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10716 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10717 (rest_of_handle_reorder_blocks): Ditto.
10718 (rest_of_handle_partition_blocks): Ditto.
10719 * var-tracking.c (variable_tracking_main): Ditto.
10720 * tree-profile.c (tree_profiling): Ditto.
10721 * tree-vect-generic.c (expand_vector_operations): Ditto.
10722 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10723 * sched-rgn.c (rest_of_handle_sched): Ditto.
10724 (rest_of_handle_sched2): Ditto.
10725 * basic-block.h (free_bb_insn): Ditto.
10726 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10727 * tree-cfg.c (execute_build_cfg): Ditto.
10728 (remove_useless_stmts): Ditto.
10729 (split_critical_edges): Ditto.
10730 (execute_warn_function_return): Ditto.
10731 (execute_warn_function_noreturn): Ditto.
10732 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10733 * cfgrtl.c (free_bb_for_insn): Ditto.
10734 * passes.c (execute_one_pass): Run additional
10735 todos returned by execute function.
10736 * tree-pass.h (struct tree_opt_pass): Make execute
10739 2006-03-02 Richard Guenther <rguenther@suse.de>
10741 * tree-ssa-alias.c (find_used_portions): Consider taking
10742 the address as making the variable not write-only.
10744 2006-03-02 Nick Clifton <nickc@redhat.com>
10746 * config.gcc (default_use_cxa_atexit): Extend the description of
10747 this configure variable. Set its default value to "yes" for
10748 Linux, NetBSD and ELF targets on the assumption that they will
10749 use C libraries with the __cxa_atexit function.
10751 2006-03-02 Ben Elliston <bje@au.ibm.com>
10753 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10754 parameter as unused to suppress a build warning.
10756 2006-03-02 Ben Elliston <bje@au.ibm.com>
10758 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10761 2006-03-01 Roger Sayle <roger@eyesopen.com>
10764 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10765 declared name, the weak reference name, and the typeof name.
10766 (__gthrw): Avoid expanding the declared name suffix.
10767 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10769 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10771 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10773 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10774 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10775 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10776 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10777 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10778 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10779 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10780 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10781 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10782 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10783 (DW_END_default, DW_END_big, DW_END_little): New.
10784 (DW_END_lo_user, DW_END_hi_user): Define.
10785 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10786 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10787 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10790 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10792 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10794 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10796 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10798 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10800 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10801 to 'symbol_mem_tag'.
10803 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10806 2006-03-01 Roger Sayle <roger@eyesopen.com>
10808 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10810 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10813 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10814 MACHO_DYNAMIC_NO_PIC_P.
10815 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10817 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10820 * config/darwin-protos.h (darwin_asm_output_anchor):
10822 * config/darwin-sections.def (cstring_section):
10823 Add SECTION_MERGE to the flags.
10824 (literal4_section): Likewise.
10825 (literal8_section): Likewise.
10826 (objc_selector_refs_section): Likewise.
10827 (objc_cls_refs_section): Likewise.
10828 * config/darwin.c (darwin_asm_output_anchor): New
10830 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10832 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10834 Fix PR tree-optimization/26443
10835 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10836 to todo and PROP_tmt_usage to properties_destroyed.
10837 * tree-ssa-ccp.c (pass_ccp): Ditto.
10838 (pass_store_ccp): Ditto.
10839 * tree-ssa-dom.c (pass_dominator): Ditto.
10841 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10843 * tree-ssa-operands.c: Cleanup whitespace.
10844 (get_asm_expr_operands): Move before first invocation.
10845 (get_indirect_ref_operands): Likewise.
10846 (get_tmr_operands): Likewise.
10847 (get_call_expr_operands): Likewise.
10848 (append_def): Likewise.
10849 (append_use): Likewise.
10850 (append_v_may_def): Likewise.
10851 (append_v_must_def): Likewise.
10852 (add_call_clobber_ops): Likewise.
10853 (add_call_read_ops): Likewise.
10854 (add_stmt_operand): Likewise.
10855 (add_virtual_operand): Likewise.
10856 (build_ssa_operands): Likewise.
10858 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10860 PR middle-end/26022
10862 PR middle-end/24437
10863 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10864 with a call expr to ...
10865 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10867 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10869 * tree-vrp.c (extract_range_from_assert): Remove special
10870 handling for types with super-types.
10872 2006-03-01 Ben Elliston <bje@au.ibm.com>
10874 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10875 and powerpc64-*-linux* configurations.
10876 * config/t-dfprules: New file.
10878 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10879 Compile dfp-bit.c from the source directory using -DWIDTH and
10880 $DFP_CFLAGS to control the compilation of that file, rather than
10881 generating width-specific versions in the build directory.
10882 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10883 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10885 2006-02-28 Zack Weinberg <zackw@panix.com>
10887 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10890 2006-02-28 Eric Christopher <echristo@apple.com>
10892 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10893 Set up IN_LIBGCC definition of TARGET_64BIT.
10894 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10896 2006-02-28 Roger Sayle <roger@eyesopen.com>
10898 PR middle-end/14752
10899 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10900 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10901 cases via the construction of "expr != 0".
10903 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10905 * alias.c (alias_invariant, alias_invariant_size): Remove.
10906 (record_base_value): Remove.
10907 (memrefs_conflict_p): Don't look at alias_invariant.
10908 (end_alias_analysis): Don't free it.
10909 * alias.h (record_base_value): Remove prototype.
10911 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10912 Adam Nemet <anemet@caviumnetworks.com>
10914 * rtl.h (truncated_to_mode): Declare it.
10915 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10916 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10917 (RTL_HOOKS_INITIALIZER): Include it.
10918 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10919 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10920 reg_truncated_to_mode.
10921 * rtlanal.c (truncated_to_mode): Define it.
10922 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10924 2006-02-28 Jeff Law <law@redhat.com>
10926 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10927 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10928 the range allowed by TYPE_PRECISION.
10930 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10932 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10934 PR tree-optimization/26419
10935 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10938 2006-02-27 Zack Weinberg <zackw@panix.com>
10940 * doc/md.texi: Fix typo in previous change.
10942 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10946 2006-02-27 Zack Weinberg <zackw@panix.com>
10948 * rtl.def (define_constraint, define_register_constraint)
10949 (define_memory_constraint, define_address_constraint): New MD forms.
10950 * gensupport.c (process_rtx): Put define_constraint etc on the
10952 * genpreds.c (process_define_predicate): Adjust comment. Validate
10953 the name, and call validate_exp to validate the expression.
10954 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10955 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10956 all callers changed.
10957 (validate_exp, needs_variable, struct constraint_data)
10958 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10959 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10960 (const_dbl_constraints, constraint_max_namelen)
10961 (have_register_constraints, have_memory_constraints)
10962 (have_address_constraints, have_address_constraints)
10963 (have_extra_constraints, have_const_int_constraints)
10964 (have_const_dbl_constraints, mangle, add_constraint)
10965 (process_define_constraint, process_define_register_constraint)
10966 (write_enum_constraint_num, write_lookup_constraint)
10967 (write_insn_constraint_len, write_regclass_for_constraint)
10968 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10969 (write_insn_extra_memory_constraint)
10970 (write_insn_extra_address_constraint)
10971 (write_satisfies_constraint_fns): New.
10972 (write_tm_preds_h): If we have new-style constraint definitions,
10973 prototype the functions generated from them, and define the
10974 old constraint interface (still used by generic code) in terms of
10976 (write_insn_preds_c): If we have new-style constraint definitions,
10977 generate all relevant functions from those definitions.
10978 (main): Handle define_constraint etc.
10979 * genoutput.c (struct constraint_data, indep_constraints)
10980 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10981 (mdep_constraint_len): New data structures and functions, defined
10982 #ifdef USE_MD_CONSTRAINTS.
10983 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10984 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10985 use new logic to validate operand constraints against constraint
10987 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10989 * defaults.h: If none of the old-style constraint macros are
10990 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10991 old-style macros; and poison REG_CLASS_FROM_LETTER,
10992 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10994 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10995 * doc/md.texi: Document new constraint-definition mechanism and the
10996 C interface it provides. Remove references to old mechanism
10997 elsewhere in the document.
10998 (Machine Constraints): Use pathnames relative to gcc directory,
10999 i.e. config/ARCH/FILE. Change i386 section to refer to
11000 config/i386/predicates.md; update that section to match docstrings.
11001 * doc/tm.texi: Move all documentation of the old constraint-
11002 definition macros to their own section, clearly mark as obsolete.
11004 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11005 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11007 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11008 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11009 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11010 constraint strings.
11011 (splits and peepholes): Use satisfies_constraint_*.
11012 * config/i386/i386.c (memory_address_length)
11013 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11015 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11017 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11018 scalar operation to be put back into the loop.
11020 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11023 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11024 (extract_cie_info): Handle S flag in augmentation string.
11025 (execute_cfa_program): If context->signal_frame, execute also
11026 fs->pc == context->ra instructions.
11027 (uw_frame_state_for): If context->signal_frame, don't subtract one
11028 from context->ra to find FDE.
11029 (uw_update_context_1): Set context->signal_frame to
11031 (_Unwind_GetIPInfo): New function.
11032 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11033 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11035 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11036 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11037 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11038 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11039 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11040 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11041 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11042 x86_64_fallback_frame_state): Set fs->signal_frame.
11043 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11044 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11045 (frob_update_context): Likewise. Workaround missing S flag in
11046 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11047 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11048 Remove the psw_addr + 1 hack.
11050 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11052 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11053 with aggregates here.
11054 (find_func_aliases): Remove code for &<aggregate> from here.
11056 2006-02-26 Roger Sayle <roger@eyesopen.com>
11058 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11059 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11060 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11061 as (X & C) ne/eq 0.
11063 2006-02-26 Roger Sayle <roger@eyesopen.com>
11065 PR middle-end/19983
11066 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11068 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11070 * opts.c (decode_options): Do not handle flag_strength_reduce.
11071 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11072 and OPT_fstrength_reduce.
11073 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11074 flag_prefetch_loop_arrays for being nonzero.
11075 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11077 (fprefetch-loop-arrays-rtl): Removed.
11078 (flag_prefetch_loop_arrays): Do not specify the value.
11080 * doc/passes.texi: Update documentation of loop optimizer
11082 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11083 -frerun-loop-opt): Remove.
11085 2006-02-26 Richard Guenther <rguenther@suse.de>
11087 PR tree-optimization/26421
11088 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11089 in function calls that are ADDR_EXPRs as using the whole structure.
11091 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11093 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11094 * tree-pass.h (pass_loop_optimize): Remove.
11095 * passes.c (pass_loop_optimize): Never run it.
11096 * toplev.c (backend_init): Don't call init_loop.
11097 * opts.c (flag_loop_optimize_set): Remove.
11098 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11099 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11100 the old RTL loop optimizer when profiling enabled.
11101 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11102 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11103 pre-headers for the sake of the old RTL loop optimizer.
11104 * Makefile.in: Remove all references to loop.o.
11106 * doc/invoke.texi: Remove all references to -floop-optimize
11107 and -frerun-loop-opt.
11109 2006-02-26 Zack Weinberg <zackw@panix.com>
11111 * doc/md.texi (Machine Constraints): Refer to all files with paths
11112 relative to gcc directory (i.e. config/CPU/file). Add missing
11113 @table @code ... @end table to M32C subsection.
11115 2006-02-26 Roger Sayle <roger@eyesopen.com>
11117 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11119 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11121 2006-02-26 Roger Sayle <roger@eyesopen.com>
11122 James A. Morrison <phython@gcc.gnu.org>
11124 PR middle-end/21137
11125 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11126 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11127 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11128 signedness of the shift operation.
11130 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11132 PR tree-optimization/26359
11133 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11135 2006-02-25 Roger Sayle <roger@eyesopen.com>
11137 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11138 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11139 as X == 0, and some symmetry related transformations.
11140 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11142 2006-02-25 Roger Sayle <roger@eyesopen.com>
11144 PR middle-end/23673
11145 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11146 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11147 symmetry related transformations. Fold (X^C1) == C2 as
11150 2006-02-25 Juergen Weigert <jw@suse.de>
11151 Richard Guenther <rguenther@suse.de>
11153 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11155 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11157 * combine.c (gen_lowpart_or_truncate): Call
11158 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11160 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11162 * doc/invoke.texi: Move -fopenmp description to "Options for
11164 Remove reference to -lgomp.
11166 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11168 * doc/install.texi: Require GNU tar version 1.14.
11170 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11172 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11173 * doc/invoke.texi (C++ Dialect Options): Document
11174 -fno-use-cxa-get-exception-ptr.
11175 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11176 * configure: Regenerate.
11177 * c.opt (fuse-cxa-get-exception-ptr): New.
11178 * c-opts.c (c_common_handle_option): Handle
11179 OPT_fuse_cxa_get_exception_ptr.
11180 * c-common.c (flag_use_cxa_atexit): Update documentation.
11181 (flag_use_cxa_get_exception_ptr): New.
11182 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11183 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11185 (C_COMMON_OVERRIDE_OPTIONS): New.
11187 2006-02-24 Roger Sayle <roger@eyesopen.com>
11189 PR middle-end/24952
11190 * combine.c (try_combine): Explicitly check whether GET_CODE is
11191 a SET or a CLOBBER, instead on checking that it isn't a USE.
11193 2006-02-24 Roger Sayle <roger@eyesopen.com>
11195 * fold-const.c (fold_comparison): New subroutine of fold_binary
11196 containing transformations common to both the equality and
11197 ordering relational operators, factored out of fold_binary.
11198 (fold_binary): Separate out the equality operators (EQ_EXPR
11199 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11200 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11201 transformations common to both.
11202 (fold_div_compare): Fix latent bugs in the previously unreachable
11203 LT_EXPR and GE_EXPR cases.
11205 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11207 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11208 decl libname for clog to __clog on AIX.
11210 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11212 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11215 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11216 output traceback table for thunks. Localise rs6000_stack_info call.
11218 2006-02-23 Roger Sayle <roger@eyesopen.com>
11219 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11221 * gthr-posix.h (__gthrw): Fix typo in comment.
11223 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11225 * doc/cpp.texi (Character sets): Document that we do support
11226 input files to be in any character set.
11228 2006-02-23 Jeff Law <law@redhat.com>
11230 * tree.h (PHI_ARG_NONZERO): Remove.
11231 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11232 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11233 node to the new node.
11235 PR tree-optimization/26425
11236 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11237 min/max, then assume its varying.
11239 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11241 PR rtl-optimization/26316
11242 * rtlanal.c (enum may_trap_p_flags): New.
11243 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11244 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11245 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11246 (may_trap_after_code_motion_p): New function.
11247 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11248 (find_invariant_insn): Use may_trap_after_code_motion_p.
11249 * rtl.h (may_trap_after_code_motion_p): Declare.
11251 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11253 * emit-rtl.c (immed_double_const): Cleanup.
11255 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11257 Fix PR tree-optimization/26376
11258 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11261 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11263 PR middle-end/26412
11264 * gimplify.c (omp_add_variable): Guard variable size decl test with
11265 DECL_SIZE (decl) check.
11267 2006-02-23 Richard Guenther <rguenther@suse.de>
11269 PR middle-end/26439
11270 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11271 like aggregate types.
11273 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11275 * configure.ac: Add --with{,out}-long-double-128 configure option.
11276 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11277 * configure: Rebuilt.
11278 * config.in: Rebuilt.
11279 * doc/install.texi (Options specification): Document
11280 --with-long-double-128.
11282 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11283 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11284 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11285 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11287 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11289 * config/s390/s390.c (override_options): Handle
11290 TARGET_DEFAULT_LONG_DOUBLE_128.
11292 * config/alpha/alpha.c (override_options): Handle
11293 TARGET_DEFAULT_LONG_DOUBLE_128.
11295 * config/sparc/sparc.c (sparc_override_options): Handle
11296 TARGET_DEFAULT_LONG_DOUBLE_128.
11298 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11300 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11301 (real-install-headers-tar, real-install-headers-cpio)
11302 (real-install-headers-cp): New targets.
11304 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11306 * tree.h (variable_section): Delete.
11307 * varasm.c (variable_section): Delete.
11309 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11311 * install.texi: Add notes on install.texi2html.
11312 (Building in parallel): Do not use footnotes.
11314 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11317 * doc/install.texi (Configuration): Document --disable-libgomp.
11319 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11321 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11323 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11325 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11326 (vec_extractv2df_0_sse): New.
11328 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11330 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11331 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11332 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11333 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11334 to the result of the expression.
11335 (def_cfa_1): Adjust.
11336 (frame_pointer_cfa_offset): Rename to...
11337 (frame_pointer_fb_offset): ... this. Adjust all uses.
11338 (convert_cfa_to_loc_list): Rename to...
11339 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11340 Pass it on to build_cfa_loc.
11341 (compute_frame_pointer_to_cfa_displacement): Rename to...
11342 (compute_frame_pointer_to_fb_displacement): ... this. New
11343 offset parameter. Use it in computation.
11344 (gen_subprogram_die): Compute cfa_fb_offset with the new
11345 macro, and use it to compute the fb loc list and the
11348 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11350 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11351 replaced with register_operand.
11352 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11353 non-DREG is expensive.
11354 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11355 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11358 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11360 * doc/install.texi2html: Use set -e.
11362 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11364 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11365 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11366 * doc/invoke.texi (-fshared-data): Delete.
11367 * common.opt (fshared-data): Delete.
11368 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11369 (assemble_static_space): Remove #if 0 code.
11370 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11371 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11372 * config/cris/cris.h: Remove FIXME.
11374 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11376 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11379 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11381 PR middle-end/26379
11382 * combine.c (simplify_shift_const_1): Disable nested shifts
11383 optimization for vector shifts.
11385 2006-02-20 Roger Sayle <roger@eyesopen.com>
11387 PR tree-optimization/26361
11388 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11389 of unsigned integer types.
11391 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11393 * tree-chrec.c (eq_evolutions_p): New.
11394 * tree-chrec.h (eq_evolutions_p): Declared.
11395 * tree-data-ref.c: Fix formatting.
11396 (datadep_stats, dependence_stats): New.
11398 (print_direction_vector): New.
11399 (dump_data_dependence_relation): Use print_direction_vector.
11400 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11401 (compute_subscript_distance): Static.
11402 (initialize_data_dependence_relation): Static. Get the number
11403 of loops surrounding the references from the callers, and initialize
11404 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11405 base_object_differ_p analyzers.
11406 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11407 compute_overlap_steps_for_affine_1_2,
11408 analyze_subscript_affine_affine): Count the classified dependences.
11409 Print a message when a test failed.
11410 (can_use_analyze_subscript_affine_affine): New.
11411 (analyze_siv_subscript): Compute the data dependences on symbolic
11412 scevs that verify can_use_analyze_subscript_affine_affine.
11413 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11414 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11415 Handle symbolic scevs.
11416 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11418 (subscript_dependence_tester): Moved...
11419 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11420 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11421 DDR_SIZE_VECT instead of getting it in parameter.
11422 (subscript_dependence_tester): ... here. Take as a parameter
11423 loop_nest_depth. Call build_classic_dist_vector and
11424 build_classic_dir_vector.
11425 (compute_affine_dependence): Update subscript_dependence_tester
11426 parameters. Update datadep_stats counters. Call
11427 compute_subscript_distance.
11428 (compute_self_dependence): Save the dist and dir vectors. Call
11429 compute_subscript_distance.
11430 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11431 (compute_all_dependences): Reorder parameters as they were before
11432 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11433 compute_subscript_distance. Update the use of
11434 compute_affine_dependence and initialize_data_dependence_relation.
11435 (find_data_references_in_loop): Handle COMPONENT_REF.
11436 (compute_data_dependences_for_loop): Initialize dependence_stats.
11437 Don't call build_classic_dist_vector and build_classic_dir_vector.
11438 Update the parameters of initialize_data_dependence_relation and
11439 compute_all_dependences. Print the statistics from datadep_stats.
11440 (analyze_all_data_dependences): Static. Not used until the pass for
11441 checking the data dependences is contributed.
11442 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11443 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11444 (initialize_data_dependence_relation, compute_affine_dependence,
11445 analyze_all_data_dependences, compute_subscript_distance): Removed.
11446 (print_direction_vector): New.
11447 * lambda.h (gcd): ... here.
11448 (lambda_vector_gcd): Moved here from gcd_vector.
11449 * lambda-code.c (gcd, gcd_vector): Removed.
11450 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11451 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11453 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11455 * ipa-type-escape.c: Tidy some comments and white space.
11456 * tree-ssa-operands.c: Likewise.
11458 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11461 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11462 (dump_decl_name): Do not walk the decl tree chains.
11463 * tree-pass.h (TDF_CHAIN): Remove.
11465 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11467 * Makefile.in (C): Remove
11469 (.PHONY): Remove C and PROTO
11471 2006-02-20 Roger Sayle <roger@eyesopen.com>
11473 PR middle-end/26236
11474 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11475 deprecated CHAR_TYPE tree code.
11477 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11479 * configure.ac (target_list): Add install-info, dvi, html.
11480 * configure: Regenerate.
11482 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11483 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11484 treelang/Make-lang.in: Do not use double-colon rules.
11486 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11488 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11489 (TMT_USED_ALONE): New macro.
11490 * tree-pass.h (PROP_tmt_usage): New property.
11491 (TODO_update_tmt_usage): New todo.
11492 * tree-ssa-alias.c (updating_used_alone): New variable.
11493 (recalculate_used_alone): New function.
11494 (compute_may_aliases): Set updating_used_alone, call
11495 recalculate_used_alone.
11496 * tree-sra.c (pass_sra): Note that this pass destroys
11497 PROP_tmt_usage, and add TODO_update_tmt_usage.
11498 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11499 * tree-flow.h (updating_used_alone): Prototype.
11500 (recalculate_used_alone): Ditto.
11501 * passes.c (execute_todo): Add code to set updating_used_alone,
11502 and call recalculate.
11503 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11504 for clobber if used alone, and add assert to verify used_alone
11507 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11509 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11510 for non tls symbols added.
11511 (legitimize_address): Do nothing for PLUS expressions if one of the
11512 addends is a tls symbol reference.
11514 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11518 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11520 * Makefile.in (BOOTSTRAPPING): New.
11521 (quickstrap): New definition if BOOTSTRAPPING=yes.
11523 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11524 * configure.ac: Substitute all_selected_languages with the languages
11525 that were configured. For all the other variables except
11526 lang_specs_files, include all the languages in the tree.
11527 * configure: Regenerate.
11529 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11530 if there is one. Run the commands to run fixincludes in the same
11533 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11534 * doc/install.texi: Document exact conventions for searching target tools.
11535 Document --with-build-time-tools. Document toplevel bootstrap. Document
11536 something more about building an Ada cross-compiler. Don't list GNU Make
11537 requirements which affect all platforms.
11539 2006-02-19 Roger Sayle <roger@eyesopen.com>
11541 PR middle-end/19543
11542 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11543 only equivalent if the have both the same mode and precision.
11545 2006-02-20 Ben Elliston <bje@au.ibm.com>
11547 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11549 2006-02-19 Roger Sayle <roger@eyesopen.com>
11550 Steven Bosscher <stevenb.gcc@gmail.com>
11552 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11553 constant pool references to identify stack mode constants.
11554 * rtlanal.c (constant_pool_constant_p): New predicate to check
11555 whether operand is a floating point constant in the pool.
11556 * rtl.h (constant_pool_constant_p): Prototype here.
11557 * loop.c (scan_loop): Avoid hoisting constants from the constant
11558 pool on STACK_REGS targets.
11559 (load_mems): Likewise.
11560 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11561 loads into x87 registers expensive in terms of register pressure.
11563 2006-02-19 Roger Sayle <roger@eyesopen.com>
11565 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11566 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11568 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11570 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11571 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11573 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11575 * doc/invoke.texi: Document -fipa-pta.
11576 * common.opt: Add ipa-pta option.
11577 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11578 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11579 (do_ds_constraint): Ditto.
11580 (get_constraint_for): Only add to referenced_vars if
11581 referenced_vars exists.
11582 (insert_into_field_list): Rewrite to do this unsorted.
11583 (insert_into_field_list_sorted): Rename old insert_into_field_list
11585 (create_function_info_for): Use insert_into_field_list_sorted.
11586 (create_variable_info_for): Rewrite so it uses unsorted version,
11587 since the field list is sorted.
11588 (intra_create_variable_infos): Only add to referenced_vars if
11589 referenced_vars exists.
11590 (ipa_pta_execute): Init heapvars, and delete when done.
11591 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11593 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11595 * doc/install.texi: Add missing `@samp'.
11597 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11599 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11602 2006-02-18 Mark Wielaard <mark@klomp.org>
11604 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11605 who added new 4.1 features, bug fixes and integration support.
11607 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11610 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11611 MEM for ABI_V4 pic.
11613 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11615 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11616 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11617 (copy_insn_1): Likewise. Don't copy each field individually.
11619 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11621 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11622 * rtl.c (rtx_size): Rename variable to...
11623 (rtx_code_size): ...this.
11624 (rtx_size): New function.
11625 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11626 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11628 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11629 * rtl.h (rtx_code_size): New variable.
11630 (rtx_size): Change from a variable to a function.
11631 (RTX_SIZE): Rename to...
11632 (RTX_CODE_SIZE): ...this.
11635 PR tree-optimization/17106
11636 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11637 (Anchored Addresses): New section.
11638 * doc/invoke.texi (-fsection-anchors): Document.
11639 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11640 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11641 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11642 * hooks.c (hook_bool_mode_rtx_false): New function.
11643 * hooks.h (hook_bool_mode_rtx_false): Declare.
11644 * gengtype.c (create_optional_field): New function.
11645 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11646 SYMBOL_REF_IN_BLOCK_P is true.
11647 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11648 (min_anchor_offset, max_anchor_offset): Likewise.
11649 (use_anchors_for_symbol_p): New hook.
11650 * toplev.c (compile_file): Call output_object_blocks.
11651 (target_supports_section_anchors_p): New function.
11652 (process_options): Check that -fsection-anchors is only used on
11653 targets that support it and when -funit-at-a-time is in effect.
11654 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11655 if the decl doesn't have one.
11656 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11657 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11658 of force_const_mem through use_anchored_address.
11659 (expand_expr_constant): New function.
11660 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11661 calling expand_expr for INDIRECT_REF.
11662 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11663 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11664 * expr.h (use_anchored_address): Declare.
11665 * loop-unroll.c: Don't declare rtx vectors here.
11666 * explow.c: Include output.h.
11667 (validize_mem): Call use_anchored_address.
11668 (use_anchored_address): New function.
11669 * common.opt (-fsection-anchors): New switch.
11670 * varasm.c (object_block_htab, anchor_labelno): New variables.
11671 (hash_section, object_block_entry_eq, object_block_entry_hash)
11672 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11673 (use_blocks_for_decl_p, change_symbol_section): New functions.
11674 (get_variable_section): New function, split out from assemble_variable.
11675 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11676 use_blocks_for_decl_p say so. Use change_symbol_section if the
11677 symbol has already been created.
11678 (assemble_variable_contents): New function, split out from...
11679 (assemble_variable): ...here. Don't output any code for
11680 block symbols; just pass them to place_block_symbol.
11681 Use get_variable_section and assemble_variable_contents.
11682 (get_constant_alignment, get_constant_section, get_constant_size): New
11683 functions, split from output_constant_def_contents.
11684 (build_constant_desc): Create a block symbol if use_object_blocks_p
11685 says so. Or into SYMBOL_REF_FLAGS.
11686 (assemble_constant_contents): New function, split from...
11687 (output_constant_def_contents): ...here. Don't output any code
11688 for block symbols; just pass them to place_section_symbol.
11689 Use get_constant_section and get_constant_alignment.
11690 (force_const_mem): Create a block symbol if use_object_blocks_p and
11691 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11692 (output_constant_pool_1): Add an explicit alignment argument.
11693 Don't switch sections here.
11694 (output_constant_pool): Adjust call to output_constant_pool_1.
11695 Switch sections here instead. Don't output anything for block symbols;
11696 just pass them to place_block_symbol.
11697 (init_varasm_once): Initialize object_block_htab.
11698 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11699 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11700 (place_block_symbol, get_section_anchor, output_object_block)
11701 (output_object_block_htab, output_object_blocks): New functions.
11702 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11703 (TARGET_ASM_OUT): Include it.
11704 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11705 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11706 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11707 (TARGET_INITIALIZER): Include them.
11708 * rtl.c (rtl_check_failed_block_symbol): New function.
11709 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11710 (block_symbol, object_block): New structures.
11711 (rtx_def): Add a block_symbol field to the union.
11712 (BLOCK_SYMBOL_CHECK): New macro.
11713 (rtl_check_failed_block_symbol): Declare.
11714 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11715 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11716 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11717 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11718 * output.h (output_section_symbols): Declare.
11719 (object_block): Name structure.
11720 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11721 (default_use_anchors_for_symbol_p): Declare.
11722 * Makefile.in (RTL_BASE_H): Add vec.h.
11723 (explow.o): Depend on output.h.
11724 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11725 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11726 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11727 (rs6000_use_blocks_for_constant_p): New function.
11729 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11731 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11733 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11736 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11739 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11741 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11745 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11747 PR middle-end/26334
11748 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11749 instead of DECL_REGISTER.
11751 2006-02-18 Olivier Hainque <hainque@adacore.com>
11754 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11756 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11759 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11760 * opth-gen.awk: Handle Var and InverseMask together.
11761 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11762 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11763 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11764 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11766 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11767 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11768 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11769 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11770 LINUX_DYNAMIC_LINKER): Define.
11771 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11772 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11774 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11775 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11776 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11777 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11778 (TARGET_C99_FUNCTIONS): Don't define.
11779 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11780 GLIBC_DYNAMIC_LINKER.
11781 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11782 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11783 GLIBC_DYNAMIC_LINKER64): Define.
11784 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11785 LINUX_DYNAMIC_LINKER64.
11786 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11787 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11788 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11789 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11790 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11791 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11792 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11793 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11794 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11795 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11796 and LINUX_DYNAMIC_LINKER32.
11797 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11798 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11799 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11800 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11801 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11803 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11804 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11805 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11806 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11807 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11808 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11809 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11810 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11811 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11812 LINUX_DYNAMIC_LINKER): Define.
11813 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11814 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11815 GLIBC_DYNAMIC_LINKER64): Define.
11816 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11817 LINUX_DYNAMIC_LINKER64.
11818 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11819 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11820 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11821 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11822 LINUX_DYNAMIC_LINKER): Define.
11823 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11824 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11825 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11826 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11827 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11828 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11829 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11830 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11831 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11832 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11833 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11834 * doc/invoke.texi (-muclibc): Remove caveat about supported
11837 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11839 * doc/cpp.texi (__TIMESTAMP__): Document.
11841 2006-02-17 Roger Sayle <roger@eyesopen.com>
11843 PR middle-end/25600
11844 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11845 C is one less than the width of X (and related transformations).
11846 * simplify-rtx.c (simplify_unary_operation_1): Transform
11847 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11848 depending on STORE_FLAG_VALUE, were C is one less then the
11851 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11853 Fix PR tree-optimization/26341
11854 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11855 about NAME_MEMORY_TAG's.
11857 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11860 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11861 with hardware float support, and software float support. Add fcpy
11862 alternative to hardware patterns. Add alternatives to copy between
11863 general and floating-point registers to the 32-bit pattern.
11864 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11865 secondary reload to load a QI or HI mode constant into a floating
11867 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11868 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11870 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11873 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11875 (load_macho_picbase_di): Likewise.
11877 2006-02-16 Jeff Law <law@redhat.com>
11879 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11880 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11881 (ssa_name_nonzero_p): Likewise.
11882 (get_value_range): Return NULL if VRP is not running.
11883 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11884 VRP routines do not discover a range.
11885 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11886 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11887 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11888 (tree_expr_nonnegative_p): Similarly.
11889 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11890 (restore_nonzero_vars_to_original_value): Remove.
11891 (unsafe_associative_fp_binop): Remove.
11892 (tree_ssa_dominator_optimize): Remove initialization and
11893 finalization of nonzero_vars and nonzero_vars_stack.
11894 (dom_opt_initialize_block): No longer push marker on
11895 nonzero_vars_stack.
11896 (dom_opt_finalize_block): No longer call
11897 restore_nonzero_vars_to_original_value.
11898 (record_equivalences_from_phis): No longer look for
11899 nonzero PHI arguments.
11900 (cprop_into_successor_phis): No longer propagate nonzero
11901 property into PHI arguments. Lose unused argument. Caller
11903 (record_equivalences_from_stmt): No longer record nonzero
11904 values for SSA_NAMEs.
11905 (lookup_avail_expr): No longer use nonzero_vars.
11907 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11908 for sizetype when sizetype is unsigned.
11910 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11912 PR rtl-optimization/25603
11913 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11914 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11915 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11916 with new meaning of SETS.
11918 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11923 * config/linux.opt: New file.
11924 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11925 LINUX_DYNAMIC_LINKER): Define.
11926 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11927 * config.gcc (*-*-linux*): Define extra_options.
11928 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11929 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11930 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11931 GLIBC_DYNAMIC_LINKER.
11932 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11933 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11934 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11935 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11936 * doc/invoke.texi (GNU/Linux Options): New section.
11938 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11940 * config/sparc/sparc.md (setjmp): Rewrite.
11941 (setjmp_32): Delete.
11942 (setjmp_64): Likewise.
11944 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11946 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11949 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11951 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11954 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11956 PR rtl-optimization/26296
11957 * Makefile.in (loop-invariant.c): Add except.h dependency.
11958 * loop-invariant.c: Include except.h.
11959 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11961 2005-02-16 Paul Brook <paul@codesourcery.com>
11963 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11966 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11968 PR rtl-optimization/25636
11969 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11970 when deciding whether an insn is an initializing insn.
11972 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11974 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11975 (tree_code_size): Ditto.
11976 * tree.h (struct tree_memory_tag): Remove parent_var.
11977 (struct tree_struct_field_tag): New.
11980 (union tree_node): Add sft member.
11981 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11983 (create_sft): Add size and offset argument, set SFT_OFFSET and
11985 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11986 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11987 * tree-flow-inline.h (get_subvar_at): Update for
11988 SFT_OFFSET/SFT_SIZE.
11989 (var_can_have_subvars): Ditto.
11990 (overlap_subvar): Ditto.
11991 * print-tree.c (print_node): Print out interesting things for
11993 * tree-flow.h (struct subvar): Remove offset and size members.
11994 * tree-ssa-operands.c (get_expr_operands): Update for
11995 get_indirect_ref_operands changes.
11996 (get_indirect_ref_operands): Call add_virtual_operand instead of
11997 add_stmt_operand. Only recurse on base var if requested.
11998 (access_can_touch_variable): New function.
11999 (add_stmt_operand): Split virtual operand handling into ...
12000 (add_virtual_operand): Here. Add offset, size, and for_clobber
12001 arguments. Prune alias sets.
12002 (add_call_clobber_ops): Call add_virtual_operand.
12004 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12006 PR middle-end/26300
12007 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12009 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12010 than TREE_CODE as index into omp_clause_num_ops array.
12012 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12014 PR rtl-optimization/26184
12015 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12017 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12018 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12019 must_precede, must_follow and tobe_scheduled.
12022 * opts.c (common_handle_option): Free new_option pointer.
12023 * df-core.c (df_analyze): Free postorder pointer.
12025 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12027 * Makefile.in: Fix the examples about the use of stamps
12029 2006-02-15 Michael Matz <matz@suse.de>
12031 PR middle-end/22275
12033 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12034 influenced by maximum_field_alignment or DECL_PACKED.
12035 (update_alignment_for_field): Ditto.
12036 (place_field): Ditto.
12037 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12040 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12042 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12043 (debug_flow_info): Pass it.
12044 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12045 * bb-reorder.c (reorder_basic_blocks): Likewise.
12046 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12047 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12048 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12049 * gcse.c (gcse_main, bypass_jumps): Likewise.
12050 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12051 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12052 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12053 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12054 * rtl.h (dump_flow_info): Adjust prototype.
12055 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12056 * var-tracking.c (variable_tracking_main): Likewise.
12057 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12058 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12061 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12063 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12066 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12068 PR tree-optimization/26209
12069 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12070 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12072 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12074 2006-02-14 Roger Sayle <roger@eyesopen.com>
12076 PR middle-end/23670
12077 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12078 (X,Y) and the corresponding symmetry related transformations.
12079 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12080 (X,Y) and its symmetry related transformations.
12082 2006-02-14 Roger Sayle <roger@eyesopen.com>
12084 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12087 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12089 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12091 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12094 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12095 support COMDAT group.
12096 * configure: Regenerate.
12098 2006-02-14 Roger Sayle <roger@eyesopen.com>
12100 PR middle-end/26279
12101 PR middle-end/26280
12102 PR middle-end/26283
12103 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12105 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12107 Fix PR tree-optimization/26260
12109 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12111 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12112 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12113 * tree-ssa-structalias.c (create_variable_info_for): Use
12114 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12116 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12118 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12120 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12121 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12122 of the ending condition.
12123 * tree-ssa-loop-manip.c: Include params.h.
12124 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12125 tree_unroll_loop): New functions.
12126 * tree-pass.h (pass_loop_prefetch): Declare.
12127 * loop.c (rest_of_handle_loop_optimize): Test for
12128 -fprefetch-loop-arrays-rtl.
12129 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12130 * timevar.def (TV_TREE_PREFETCH): New timevar.
12131 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12132 pass_loop_prefetch): New.
12133 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12134 (cleanup_tree_cfg_loop): Call scev_reset.
12135 * common.opt (fprefetch-loop-arrays-rtl): Add.
12136 * tree-ssa-loop-prefetch.c: New file.
12137 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12138 (new_temp_expr_table): Initialize expr_vars.
12139 (free_temp_expr_table): Cleanup expr_vars.
12140 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12141 expressions from being merged into one.
12142 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12143 (struct tree_niter_desc): Add control, bound and cmp fields.
12144 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12146 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12147 (tree-cfgcleanup.o): Add SCEV_H dependency.
12148 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12149 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12151 2006-02-14 Richard Guenther <rguenther@suse.de>
12153 PR tree-optimization/26258
12154 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12155 in PHI argument processing.
12157 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12159 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12160 new expression in the requested machine mode.
12162 2006-02-13 Roger Sayle <roger@eyesopen.com>
12164 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12165 directly, instead let do_compare_rtx_and_jump handle this for us.
12166 * expr.c (expand_expr_real_1): Likewise.
12167 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12168 before do_jump_by_parts_greater.
12169 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12170 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12172 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12174 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12176 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12178 PR rtl-optimization/26235
12179 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12180 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12183 2006-02-13 Jeff Law <law@redhat.com>
12185 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12188 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12190 PR middle-end/26092
12191 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12192 twice if decl is a builtin. When trying again, call get_callee_fndecl
12193 first to verify it is still a builtin.
12195 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12197 * dwarf2out.c (base_type_die): Don't add AT_name here.
12198 (subrange_type_die): Don't add AT_name here.
12199 (modified_type_die): Rearrange code flow. Do add AT_name here.
12201 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12203 PR rtl-optimization/26247
12204 PR rtl-optimization/26248
12205 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12207 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12209 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12210 * config/fixtfdi.c: Likewise.
12211 * config/fixunstfdi.c: Likewise.
12212 * config/floatditf.c: Likewise.
12214 2006-02-13 Roger Sayle <roger@eyesopen.com>
12216 PR middle-end/24427
12217 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12218 into (X,C2) if C1 is a subset of the bits of C2. Transform
12219 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12221 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12223 2006-02-13 Josh Conner <jconner@apple.com>
12226 * varasm.c (function_section): Check for section name before
12227 calling select_section on targets that define
12228 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12229 unlikely_text_section instead of hot_function_section if
12230 first_function_block_is_cold.
12232 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12234 PR middle-end/25335
12235 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12237 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12239 PR rtl-optimization/26222
12240 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12241 after tree->rtl expansion.
12242 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12243 before passing it to emit_move_insn.
12245 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12247 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12249 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12250 Clarify documentation.
12251 * c-common.h (warn_write_strings): Remove.
12252 * c-common.c (warn_write_strings): Likewise.
12253 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12256 2006-02-12 Roger Sayle <roger@eyesopen.com>
12258 PR middle-end/25724
12259 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12260 (do_jump_parts_zero_rtx): New function renamed from
12261 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12262 (do_jump_parts_equality_rtx): New function split out from
12263 do_jump_parts_equality. Old implementation renamed as above.
12264 Call do_jump_parts_zero_rtx if either operand is zero.
12265 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12266 do all of the heavy lifting.
12267 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12268 calling either do_jump_by_parts_greater_rtx or
12269 do_jump_by_parts_equality_rtx.
12270 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12271 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12272 moved to do_compare_rtx_and_jump, call it directly.
12273 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12274 mode argument. Call do_compare_rtx_and_jump.
12275 (emit_case_nodes): Update calls to do_jump_if_equal.
12277 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12279 PR rtl-optimization/26225
12280 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12282 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12284 PR rtl-optimization/26232
12285 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12287 2006-02-11 Jason Merrill <jason@redhat.com>
12290 * tree-inline.c (declare_return_variable): Just don't use the
12291 modify target if it's a gimple complex reg and the return slot
12294 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12296 * doc/contrib.texi: Update my entry.
12298 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12300 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12302 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12304 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12307 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12309 * doc/invoke.texi (-floop-optimize2): Removed.
12310 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12311 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12312 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12313 * common.opt (floop-optimize2): Removed.
12314 (fmove-loop-invariants): Enabled by default.
12316 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12318 * tree-if-conv.c (combine_blocks): Free the result of
12319 get_loop_exit_edges.
12321 2006-02-10 Jeff Law <law@redhat.com>
12323 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12325 PR tree-optimization/26213
12326 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12327 loop trying to follow SSA_NAME_VALUE chains.
12329 2006-02-10 Richard Guenther <rguenther@suse.de>
12331 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12332 deal with structures that end in implicitly variable sized arrays.
12334 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12336 PR rtl-optimization/24762
12337 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12340 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12342 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12343 (struct ivopts_data): Add regs_used field.
12344 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12345 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12346 instead of loop_data->regs_used;
12347 (free_loop_data): Do not free aux fields for loops.
12348 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12349 and tree_ssa_iv_optimize_finalize.
12351 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12353 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12355 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12358 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12359 computing the effective result type.
12361 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12363 PR inline-asm/16194
12364 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12365 (tree_overlaps_hard_reg_set): Declare.
12366 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12367 type and signature to match function type expected by walk_tree.
12368 (tree_overlaps_hard_reg_set): New function.
12369 (decl_conflicts_with_clobbers_p): Rename to:
12370 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12371 Use tree_overlaps_hard_reg_set. Changed caller.
12372 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12373 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12374 * cris.c (cris_md_asm_clobbers): Likewise.
12376 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12378 * reload1.c (emit_input_reload_insns): Delete code that tries to
12379 inherit using find_equiv_reg.
12381 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12383 * c-common.h (flag_const_strings): Don't declare.
12384 * c-common.c (flag_const_strings): Remove.
12385 * c.opt (fconst_strings): Remove.
12386 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12387 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12388 (c_common_init_options): Don't set flag_const_strings.
12389 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12391 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12393 * arm.md (tlobits_cbranch): New pattern.
12394 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12395 testing a single bit.
12397 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12400 * tree-ssa-pre.c (create_component_ref_by_pieces):
12401 Handle RETURN_DECL like VAR_DECL.
12403 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12405 PR middle-end/26134
12406 * fold-const.c (fold_indirect_ref_1): Fold
12407 "*(foo *)&complexfoo" to "__real__ complexfoo"
12408 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12410 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12412 * tree-flow-inline.h (var_can_have_subvars):
12413 Volatile variables should not have subvariables.
12415 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12418 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12419 multiplying unsigned values.
12422 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12424 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12426 2006-02-08 Jason Merrill <jason@redhat.com>
12429 * tree.def: Elaborate on difference from MODIFY_EXPR.
12430 * doc/c-tree.texi (INIT_EXPR): Likewise.
12431 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12432 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12433 (gimplify_target_expr): Likewise.
12434 (gimplify_cond_expr): Remove target handling.
12435 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12436 (gimplify_expr): Clobber it here.
12437 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12438 Do return slot optimization if we have an INIT_EXPR.
12441 * tree-inline.c (declare_return_variable): Also clear
12442 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12445 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12447 PR middle-end/22439
12448 * gimplify.c (gimplify_one_sizepos): Fix typo.
12450 2006-02-08 Jeff Law <law@redhat.com>
12452 PR tree-optimization/21417
12453 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12454 across a backedge if the control statement at the end of the
12455 block is data dependent on other statements in the same block.
12456 (record_temporary_equivalences_from_stmts): Remove over-conservative
12457 test for threading across backedges.
12459 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12460 control statement, handle all three special cases in the same
12461 manner as they all have the same desired solution. No longer
12462 special case edge flag updating when the post dominator is
12465 2006-02-08 Roger Sayle <roger@eyesopen.com>
12467 * tree.def (CHAR_TYPE): Remove.
12468 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12469 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12470 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12471 (gen_string_type_die): Delete unreachable function.
12473 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12474 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12475 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12476 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12477 * builtins.c (type_to_class): Likewise.
12478 * fold-const.c (fold_convert, build_range_check,
12479 merge_ranges): Likewise.
12480 * expr.c (count_type_elements): Likewise.
12481 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12482 * stor-layout.c (layout_type): Likewise.
12483 * ipa-type-escape.c (type_to_consider): Likewise.
12484 * gimplify.c (omp_firstprivatize_type_sizes,
12485 gimplify_type_sizes): Likewise.
12486 * explow.c (promote_mode): Likewise.
12487 * tree-sra.c (is_sra_scalar_type): Likewise.
12488 * varasm.c (output_constant): Likewise.
12489 * tree-inline.c (remap_type_1): Likewise.
12490 * convert.c (convert_to_pointer, convert_to_real,
12491 convert_to_integer, convert_to_complex): Likewise.
12493 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12495 * df-scan.c (df_def_record_1): A set destination may
12496 be a parallel regardless of mode.
12498 2006-02-08 Roger Sayle <roger@eyesopen.com>
12501 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12502 * config/mips/_tilib.c: Remove.
12503 * config/fixtfdi.c: New libgcc source file.
12504 * config/fixunstfdi.c: New source file.
12505 * config/floatditf.c: New source file.
12506 * config/floatunditf.c: New souce file.
12507 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12508 files above instead of config/mips/_tilib.c.
12509 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12511 2006-02-08 Jeff Law <law@redhat.com>
12513 PR tree-optimization/26169
12514 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12517 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12519 * df.h (DF_REG_SIZE): Return the length of the initialized
12522 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12524 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12525 __muldf3): Return a correctly signed zero.
12527 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12529 * passes.c (register_one_dump_file): Accept the current properties
12530 instead of pass number. Adjust call to dump_register. Remove
12532 (register_dump_files): Now a wrapper around...
12533 (register_dump_files_1): ... this one. Do not modify the pass
12535 (next_pass_1): Cosmetic fix.
12536 (execute_todo): Keep second parameter only. Use curr_properties
12537 instead of fetching it from the pass structure. Check and set
12539 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12540 instead of fetching it from the pass structure. Fix calls to
12541 execute_todo. Update curr_properties and initialize .vcg RTL dump
12542 after running the pass. Reset last_verified.
12543 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12545 (FIRST_AUTO_NUMBERED_DUMP): New.
12546 (dump_register): Remove "num" parameter, assign it within the
12548 (get_dump_file_name): Modify template for dumps.
12549 * tree-dump.h (dump_register): Adjust prototype.
12550 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12551 (PROP_trees): Add PROP_gimple_lomp.
12552 (TODO_set_props): New.
12553 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12554 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12555 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12557 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12559 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12560 (sparc64-*-linux*): Likewise.
12561 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12562 * config/sparc/t-linux: New file.
12563 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12564 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12565 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12566 -m32 -mlong-double-128.
12568 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12569 * config/alpha/t-linux: New file.
12570 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12572 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12573 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12574 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12575 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12576 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12577 (CPP_ARCH32_SPEC): Remove.
12579 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12581 PR tree-optimization/26145
12582 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12585 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12588 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12589 >= 240000 when generating code for SOM runtime.
12590 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12591 to $$dyncall when generating code for SOM runtime..
12593 2006-02-07 Dirk Mueller <dmueller@suse.com>
12596 * doc/invoke.texi (-Wsequence-point): Update documentation
12597 that -Wsequence-point is implemented for C++ as well.
12599 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12601 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12602 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12603 (LIB_SPEC): Likewise.
12604 * doc/invoke.texi (SPARC options): Document -pthread.
12606 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12608 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12611 2006-02-07 Roger Sayle <roger@eyesopen.com>
12613 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12614 Correct comment describing BOOLEAN_TYPE.
12616 2006-02-07 Dirk Mueller <dmueller@suse.com>
12618 * c.opt: C++ frontend supports -Wdiv-by-zero.
12619 * c-opts.c (c_common_handle_option): Remove dead case.
12621 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12623 * configure.ac (TLS assembler check): Do not enable TLS by
12624 default on SPARC/Solaris before version 10.
12625 * configure: Regenerate.
12627 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12629 * doc/invoke.texi (xl-compat): Document conversion and support
12632 2006-02-07 Jeff Law <law@redhat.com>
12634 * tree-vrp.c (find_conditional_asserts): Update comments.
12635 (simplify_stmt_for_jump_threading): New.
12636 (identify_jump_threads, finalize_jump_threads): New.
12637 (vrp_finalize): Call identify_jump_threads.
12638 (execute_vrp): Call finalize_jump_threads.
12639 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12640 (vrp_element, vrp_data, vrp_element_p): Remove.
12641 (vrp_hash_elt, vrp_variables_stack): Remove.
12642 (vrp_hash, vrp_eq, record_range): Remove.
12643 (simplify_cond_and_lookup_avail_expr): Remove.
12644 (extract_range_from_cond): Remove.
12645 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12646 (simplify_stmt_for_jump_threading): New.
12647 (dom_thread_across_edge): New wrapper.
12648 (tree_ssa_dominator_optimize): No longer initialize or
12649 finalize any of the VRP datastructures. Remove iteration
12650 step and simplify as a result of removal of iteration step.
12651 (pass_dominator): Perform a cfg cleanup after DOM.
12652 (dom_opt_finalize_block): Use the new common routines
12653 for threading jumps. Simplify stack management slightly.
12654 No longer need to unwind VRP state.
12655 (record_equivalences_from_incoming_edge): No longer record
12657 (eliminate_redundant_computations): No longer call
12658 simplify_cond_and_lookup_avail_expr.
12659 * tree-flow.h (potentially_threadable_block): Prototype.
12660 (thread_across_edge): Likewise.
12661 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12662 (tree-ssa-threadedge.o): Add dependencies.
12663 * tree-ssa-threadedge.c: New file.
12664 * passes.c (init_optimization_passes): Merge PHIs before
12665 calling VRP. Run VRP again late in the SSA optimization pipeline.
12667 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12669 * df-core.c (df_set_blocks): Do not dereference function pointers.
12670 (df_finish1): Likewise.
12671 (df_hybrid_search_forward): Likewise.
12672 (df_hybrid_search_backward): Likewise.
12673 (df_iterative_dataflow): Likewise.
12674 (df_analyze_problem): Likewise.
12675 (df_compact_blocks): Likewise.
12676 (df_dump): Likewise.
12677 * df-scan.c (df_rescan_blocks): Likewise.
12678 (df_record_entry_block_defs): Likewise.
12680 * genconditions.c (write_conditions): Guard the definition of
12681 'insn_conditions' with the check on GCC version.
12682 (write_writer): Guard the traversal 'insn_conditions' with
12683 the check on GCC version.
12685 2006-02-07 Richard Guenther <rguenther@suse.de>
12689 2006-01-30 Richard Guenther <rguenther@suse.de>
12691 * gimplify.c (gimplify_target_expr): Handle easy cases
12692 without creating a temporary.
12694 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12696 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12697 use of float in probability computations. Use edge probabilities
12698 in place of statically computed probabilities.
12699 (min_spec_prob): New static variable.
12700 (schedule_insns): Initialize it.
12701 (GET_SRC_PROB): Removed.
12702 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12704 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12707 * config/ia64/unwind-ia64.c: Revert last change.
12708 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12709 (INCOMING_FRAME_SP_OFFSET): Define.
12711 2006-02-06 Roger Sayle <roger@eyesopen.com>
12713 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12715 2006-02-07 Ben Elliston <bje@au.ibm.com>
12717 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12718 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12719 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12720 (ix86_return_in_memory): Handle TDmode.
12721 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12722 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12724 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12726 * reorg.c (dbr_schedule): Use dump_file instead of file.
12728 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12731 * config/ia64/predicates.md (extr_len_operand): New predicate.
12732 * config/ia64/ia64.md (extv): Tighten constraints.
12734 (*tbit_and_2): Ditto.
12735 (*tbit_and_3): Ditto.
12736 (*tbit_or_2): Ditto.
12737 (*tbit_or_3): Ditto.
12738 (*bit_zero): Ditto.
12741 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12744 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12746 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12748 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12749 loop_optimizer_init and loop_optimizer_finalize
12750 * tree-ssa-sink.c (execute_sink_code): Ditto.
12751 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12752 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12753 tree_ssa_loop_done): Ditto.
12754 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12755 * sched-ebb.c: Include output.h.
12756 (schedule_ebbs): Do not use dump argument.
12757 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12758 * loop.c (loop_dump_stream): Removed.
12759 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12761 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12762 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12763 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12764 loop_iterations, strength_reduce, record_biv, record_giv,
12765 final_giv_value, check_final_value, check_ext_dependent_givs,
12766 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12767 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12768 dump_file instead of loop_dump_stream.
12769 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12770 argument dump_file.
12771 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12773 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12774 * haifa-sched.c: Include output.h
12775 (schedule_insns, sched_init): Do not use dump argument.
12776 * mode-switching.c (optimize_mode_switching): Ditto.
12777 * modulo-sched.c (stats_file): Removed.
12778 (print_node_sched_params): Do not call argument dump_file.
12779 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12780 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12782 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12784 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12785 rtl_loop_init, rtl_loop_done): Ditto.
12786 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12787 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12789 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12790 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12791 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12792 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12793 * emit-rtl.c (renumber_insns): Ditto.
12794 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12795 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12796 * regclass.c (regclass): Ditto.
12797 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12798 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12799 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12800 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12802 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12803 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12805 * gcse.c (gcse_file, debug_stderr): Removed.
12806 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12807 rest_of_handle_gcse): Do not use dump argument.
12808 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12809 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12810 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12811 compute_code_hoist_vbeinout, compute_code_hoist_data,
12812 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12813 compute_store_table, build_store_vectors, insert_insn_start_bb,
12814 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12815 store_motion): Use dump_file instead of gcse_file.
12816 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12817 * profile.c (profile_dump_file): Removed.
12818 (branch_prob): Use dump_file instead of profile_dump_file.
12819 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12821 * tree-ssa-copy.c (dump_copy_of): Ditto.
12822 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12823 dump file to life_analysis.
12824 * bt-load.c (branch_target_load_optimize): Ditto.
12825 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12827 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12828 regclass, dbr_schedule): Declaration changed.
12829 * sched-int.h (sched_init): Declaration changed.
12830 * tree-profile.c (tree_profile_dump_file): Removed.
12831 (tree_profile_hooks): Removed profile_dump_file hook.
12832 * rtl-profile (rtl_profile_dump_file): Removed.
12833 (rtl_profile_hooks): emoved profile_dump_file hook.
12834 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12836 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12837 * tree-cfg.c (build_tree_cfg): Ditto.
12838 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12839 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12840 Declaration changed.
12841 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12842 life_analysis and schedule_insns.
12843 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12845 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12847 * config/mips/mips.c (mips_reorg): Ditto.
12848 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12851 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12853 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12854 (s390_mangle_fundamental_type): New.
12855 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12858 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12859 (alpha_mangle_fundamental_type): New.
12860 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12863 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12865 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12867 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12868 (sparc_mangle_fundamental_type): New.
12870 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12872 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12873 (s390x-*-linux*): Likewise.
12874 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12875 * config/s390/t-linux: New file.
12877 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12879 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12880 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12882 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12884 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12885 (ANTIC_SAFE_LOADS): New macro.
12886 (find_or_generate_expression): Add prototype.
12887 (set_contains_value): Allow null set for sake of not always having
12888 to allocate ANTIC_SAFE_LOADS.
12889 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12890 Allow COMPONENT_REF too.
12891 (valid_in_set): Allow COMPONENT_REF.
12892 Check ANTIC_SAFE_LOADS too.
12893 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12894 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12896 (can_PRE_operation): Add COMPONENT_REF.
12897 (create_component_ref_by_pieces): New function.
12898 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12899 (insert_aux): Move AGGREGATE_TYPE_P check here.
12900 (compute_avail): Set bb local stmt uids.
12901 (pass_pre): Use TODO_update_ssa_only_virtuals.
12903 2006-02-06 Ben Elliston <bje@au.ibm.com>
12905 * configure.ac: Unconditionally disable decimal float by default.
12906 * configure: Regenerate.
12908 2006-02-06 Ben Elliston <bje@au.ibm.com>
12910 * read-rtl.c (read_name): Terminate reading on EOF.
12912 2006-02-06 Ben Elliston <bje@au.ibm.com>
12914 * dfp.c (decimal_real_arithmetic): Change second argument type
12915 from int to enum tree_code. Do not always return true, but now
12916 return result of any call to decimal_do helper functions.
12917 * dfp.h (decimal_real_arithmetic): Update prototype.
12919 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12921 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12923 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12926 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12929 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12931 * tree-vrp.c (cfg_loops): Removed.
12932 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12933 Use current_loops instead of cfg_loops. Pass flags to
12934 loop_optimizer_init.
12935 * cfgloopmanip.c (fix_loop_structure): Update only available
12937 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12938 loop_optimizer_init.
12939 * modulo-sched.c (build_loops_structure): Removed.
12940 (sms_schedule): Use loop_optimizer_init.
12941 * loop-init.c (loop_optimizer_init): Use flags to determine
12942 which properties of loops to prepare.
12943 (rtl_loop_init): Pass flags to loop_optimizer_init.
12944 * tree-ssa-sink.c (execute_sink_code): Ditto.
12945 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12946 * tree-ssa-pre.c (init_pre): Ditto.
12947 * cfgloop.h (LOOPS_NORMAL): New.
12948 (loop_optimizer_init): Declaration changed.
12950 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12952 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12953 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12955 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12957 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12959 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12960 * pa/t-pa64: Delete quadlib.c rule.
12961 * pa/x-ada: Revert last change.
12962 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12964 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12966 PR rtl-optimization/26087
12967 * rtlanal.c (canonicalize_condition): Do not cross basic block
12970 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12973 * config/ia64/ia64.c: Include debug.h.
12974 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12975 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12976 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12977 (process_epilogue, process_set, process_for_unwind_directive):
12978 Output unwind info only if requested. Add CFA info if requested.
12979 Add new arguments as needed. Adjust callers.
12980 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12982 (DWARF2_FRAME_INFO): Define to zero.
12983 * config/ia64/unwind-ia64.c: Remove code that compensated for
12984 the CFA offset error fixed above.
12985 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12986 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12987 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12988 -funwind-tables and -fexceptions to enable frame info.
12989 (dwarf2out_frame_init): Define initial CFA even if
12990 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12991 DWARF2_UNWIND_INFO is nonzero, not just defined.
12992 (dwarf2out_frame_finish): Output non-EH call frame info only
12993 if DWARF2_FRAME_INFO is nonzero.
12994 (convert_cfa_to_loc_list,
12995 compute_frame_pointer_to_cfa_displacement): Define even if
12996 unwind info is not supported.
12997 (gen_subprogram_die): Use the above unconditionally. Remove
12998 legacy alternate code.
12999 * toplev.c (compile_file): Compile in call to
13000 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13001 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13003 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13004 Jakub Jelinek <jakub@redhat.com>
13006 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13007 IBM extended float format long double as "g" on powerpc*-linux.
13009 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13012 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13013 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13015 2006-02-03 Jason Merrill <jason@redhat.com>
13018 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13020 PR middle-end/25977
13021 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13022 on the return slot if it's an NRV.
13024 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13026 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13027 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13028 rewrite_use): Do not handle USE_OUTER.
13029 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13030 add_iv_outer_candidates, may_replace_final_value,
13031 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13032 (find_interesting_uses_op): Functionality of
13033 find_interesting_uses_outer_or_nonlin moved here.
13034 (find_interesting_uses_outside): Use find_interesting_uses_op.
13036 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13039 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13041 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13042 Ulrich Weigand <uweigand@de.ibm.com>
13045 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13046 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13047 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13048 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13050 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13051 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13052 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13053 Define secondary reloads for TFmode moves.
13054 (constant_modes): Add TFmode.
13055 (NR_C_MODES): Set to 8.
13056 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13058 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13059 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13060 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13061 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13062 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13063 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13064 (FPR mode macro): Add TFmode.
13065 (DSF mode macro): New.
13066 (<de>, <dee> mode attributes): Removed.
13067 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13068 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13069 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13070 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13071 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13072 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13073 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13074 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13075 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13076 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13077 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13078 "*negabs<mode>2", "sqrt<mode>2"):
13079 Changed <de> to <xde>. R constraint replaced by <Rf>.
13080 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13082 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13083 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13084 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13086 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13087 "extenddftf2", "extendsftf2"): New expanders.
13088 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13089 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13090 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13091 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13093 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13094 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13095 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13096 __floatditf): Add a GCC_4.1.0 symbol version tag.
13097 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13100 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13103 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13104 Use targetm.binds_local_p instead of TREE_PUBLIC.
13106 2006-02-02 Roger Sayle <roger@eyesopen.com>
13108 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13109 on INTEGER_TYPEs to indicate that it denotes a character type.
13110 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13111 signed_char_type_node, unsigned_char_type_node and char_type_node.
13112 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13113 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13114 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13116 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13117 Daniel Berlin <dberlin@dberlin.org>
13119 * tree-tailcall.c (arg_needs_copy_p): New function.
13120 (eliminate_tail_call): Use arg_needs_copy_p.
13121 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13122 (add_virtual_phis): New function.
13124 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13126 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13127 #ignore instead of #scratch for %g7 .register directive.
13129 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13131 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13134 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13136 * flow.c (calculate_global_regs_live): Assert that there aren't any
13139 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13141 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13142 what its name says.
13143 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13144 bsi_after_labels iterator.
13145 * tree-if-conv.c (find_phi_replacement_condition,
13146 replace_phi_with_cond_modify_expr): Likewise.
13147 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13148 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13150 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13152 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13154 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13157 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13158 array after growing it.
13160 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13162 PR middle-end/24901
13163 * fold-const.c (fold_checksum_tree): Change type of buf.
13165 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13167 * reload.c (push_secondary_reload): Initialize t_icode.
13169 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13171 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13172 -msoft-float -mlong-double-128 only issue a warning, but don't
13173 swich to DFmode long double.
13175 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13177 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13178 has a constant equivalent, iterate over equivalents for arg0,
13179 calling simplify_relational_operation and if there's a result
13180 cheaper than X, apply fold_rtx and return the result.
13182 2006-02-01 Jan Hubicka <jh@suse.cz>
13184 * opts.c (no_unit_at_a_time_default): New global variable.
13185 (decode_options): Use it.
13186 * opts.h (no_unit_at_a_time_default): Declare.
13188 2006-02-01 Paul Brook <paul@codesourcery.com>
13190 * function.c (assign_parm_setup_reg): Use function argument promotion
13192 * expr.c (expand_expr_real_1): Use function argument promotion rules
13195 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13197 * gcc.c (process_command): Change j to 'unsigned int'.
13199 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13201 PR middle-end/26001
13202 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13203 Use the corrected index for the character
13204 out of the string constant.
13206 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13208 * mode-switching.c (optimize_mode_switching): Fix size
13209 allocated for bb_info[n_entities].
13211 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13213 * gcc.c (main): Correct type that is allocated for
13214 explicit_link_files.
13216 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13218 * config/s390/s390.c (init_alignment_context): Set
13219 ALIAS_SET_MEMORY_BARRIER on the MEM.
13220 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13222 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13224 PR middle-end/25933
13225 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13227 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13230 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13232 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13233 * regrename.c: Ditto.
13234 * tree-ssa-loop-im.c: Ditto.
13235 * tree-dump.c: Ditto.
13236 * tree-complex.c: Ditto.
13237 * genrecog.c: Ditto.
13238 * tree-ssa-threadupdate.c: Ditto.
13240 * java/class.c: Ditto.
13241 * java/jcf-parse.c: Ditto.
13242 * java/resource.c: Ditto.
13243 * java/except.c: Ditto.
13244 * java/jvspec.c: Ditto.
13245 * java/jcf-write.c: Ditto.
13246 * java/jcf-path.c: Ditto.
13247 * java/gjavah.c: Ditto.
13248 * java/zextract.c: Ditto.
13249 * java/jcf-io.c: Ditto.
13250 * java/jcf.h: Ditto.
13251 * java/buffer.c: Ditto.
13252 * java/lang.c: Ditto.
13253 * java/parse-scan.y: Ditto.
13254 * java/lex.c: Ditto.
13255 * java/lex.h: Ditto.
13256 * cfgloopmanip.c: Ditto.
13257 * postreload-gcse.c: Ditto.
13258 * tree-ssa-loop-manip.c: Ditto.
13259 * postreload.c: Ditto.
13260 * tree-ssa-loop-ch.c: Ditto.
13263 * cppspec.c: Ditto.
13264 * diagnostic.c: Ditto.
13266 * genoutput.c: Ditto.
13268 * cfghooks.c: Ditto.
13269 * cfgloopanal.c: Ditto.
13270 * objc/objc-act.c: Ditto.
13272 * genextract.c: Ditto.
13273 * genautomata.c: Ditto.
13274 * pretty-print.c: Ditto.
13275 * genemit.c: Ditto.
13276 * cgraphunit.c: Ditto.
13278 * df-scan.c: Ditto.
13279 * haifa-sched.c: Ditto.
13280 * dominance.c: Ditto.
13282 * tree-ssa-loop-ivopts.c: Ditto.
13283 * df-core.c: Ditto.
13284 * mode-switching.c: Ditto.
13285 * modulo-sched.c: Ditto.
13287 * ipa-pure-const.c: Ditto.
13289 * fix-header.c: Ditto.
13291 * tree-stdarg.c: Ditto.
13292 * ipa-utils.c: Ditto.
13293 * loop-init.c: Ditto.
13294 * ipa-inline.c: Ditto.
13295 * cfganal.c: Ditto.
13297 * alloc-pool.c: Ditto.
13298 * dwarf2out.c: Ditto.
13300 * genattrtab.c: Ditto.
13301 * tree-ssa-loop-ivcanon.c: Ditto.
13302 * predict.c: Ditto.
13303 * timevar.c: Ditto.
13305 * fortran/gfortranspec.c: Ditto.
13306 * regmove.c: Ditto.
13307 * local-alloc.c: Ditto.
13308 * langhooks.c: Ditto.
13309 * function.c: Ditto.
13310 * tree-vectorizer.c: Ditto.
13312 * ipa-type-escape.c: Ditto.
13314 * tree-if-conv.c: Ditto.
13315 * profile.c: Ditto.
13317 * tree-data-ref.c: Ditto.
13318 * loop-unroll.c: Ditto.
13319 * treelang/treetree.c: Ditto.
13321 * bt-load.c: Ditto.
13322 * ggc-common.c: Ditto.
13324 * coverage.c: Ditto.
13326 * tree-cfgcleanup.c: Ditto.
13327 * tree-ssa-pre.c: Ditto.
13328 * cfgcleanup.c: Ditto.
13329 * loop-invariant.c: Ditto.
13330 * loop-iv.c: Ditto.
13331 * ipa-prop.c: Ditto.
13332 * print-tree.c: Ditto.
13333 * conflict.c: Ditto.
13334 * ggc-page.c: Ditto.
13335 * sched-deps.c: Ditto.
13336 * regclass.c: Ditto.
13337 * tree-object-size.c: Ditto.
13338 * combine.c: Ditto.
13339 * bb-reorder.c: Ditto.
13340 * resource.c: Ditto.
13341 * var-tracking.c: Ditto.
13342 * cfgloop.c: Ditto.
13343 * df-problems.c: Ditto.
13344 * reg-stack.c: Ditto.
13346 * gccspec.c: Ditto.
13347 * sched-rgn.c: Ditto.
13348 * tree-ssa-structalias.c: Ditto.
13349 * tree-ssa-reassoc.c: Ditto.
13350 * config/darwin-c.c: Ditto.
13351 * config/darwin.c: Ditto.
13352 * config/arm/arm.c: Ditto.
13354 * collect2.c: Ditto.
13355 * reload1.c: Ditto.
13357 2006-01-31 Nicolas Pitre <nico@cam.org>
13359 * arm.md (smaxsi3): Make aware of smax_m1.
13362 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13364 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13366 2006-01-31 Richard Guenther <rguenther@suse.de>
13368 * doc/invoke.texi (-msselibm): Document.
13369 * target.h (expand_library_builtin): New target hook.
13370 * builtins.c (expand_builtin): Use expand_library_builtin.
13371 (default_expand_library_builtin): New function.
13372 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13373 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13374 (link_gcc_math_spec): Declare.
13375 (static_specs): Add link_gcc_math_spec.
13376 * expr.h (default_expand_library_builtin): Declare.
13377 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13378 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13379 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13380 * config/i386/i386.opt (msselibm): New target option.
13381 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13382 (ix86_init_sse_abi_builtins): New function.
13383 (ix86_expand_library_builtin): Likewise.
13384 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13385 (override_options): Handle error conditions wrt -msselibm.
13386 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13387 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13388 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13391 2006-01-31 Richard Guenther <rguenther@suse.de>
13392 Paolo Bonzini <bonzini@gnu.org>
13394 * doc/install.texi (--disable-libgcc-math): Document.
13396 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13398 * expr.h (expand_normal): new inline function.
13399 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13400 * dojump.c: use it.
13401 * dwarf2out.c: use it.
13404 * expmed.c: use it.
13405 * except.c: use it.
13406 * config/sparc/sparc.c: use it.
13407 * config/i386/i386.c: use it.
13408 * config/rs6000/rs6000.c: use it.
13409 * config/arm/arm.c: use it.
13410 * config/mips/mips.c: use it.
13411 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13413 2006-01-30 Roger Sayle <roger@eyesopen.com>
13415 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13416 argv to the appropriate type.
13418 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13420 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13423 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13426 * config/s390/s390.c (struct machine_function): New flag
13427 decomposed_literal_pool_addresses_ok_p.
13428 (s390_reorg): Set it before final stage of literal pool transforms.
13429 (s390_decompose_address): Only accept displacements of the form
13430 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13432 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13434 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13435 the comparison routine return.
13437 2006-01-30 Michael Matz <matz@suse.de>
13439 * global.c (find_reg): Only evict for global regs.
13440 Take n_refs into account and dump more info.
13442 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13445 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13446 (pragma_trap, pragma_nosave_low_regs): Likewise.
13447 (current_function_anonymous_args): Likewise.
13448 (sh_deferred_function_attributes): New variable.
13449 (sh_deferred_function_attributes_tail): Likewise.
13450 (print_operand): For '@', look up trap_exit attribute.
13451 (calc_live_regs): Look up trapa_handler attribute. For trapa
13452 handlers, save/restore fpscr, but don't do any other
13453 interrupt-specific saves.
13454 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13455 Fix check for partially saved registers to check for SHmedia.
13456 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13457 (sh_output_function_epilogue): Don't clear any of the removed
13459 (sh_insert_attributes): Don't check pragma_interrupt.
13460 Insert deferred attributes. Check that interrupt attribute is
13461 present for other attributes that require its presence.
13462 (sh_attribute_table): Add new attributes trapa_handler and
13464 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13465 Don't check for pragma_interrupt. Don't store argument.
13466 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13467 (sh_deferred_function_attributes): Declare.
13468 (sh_deferred_function_attributes_tail): Likewise.
13469 * sh.md (sp_switch_1): Add operand. Change generator caller.
13470 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13471 (*return_i): Don't use when trap_exit attribute is in effect.
13472 (*return_trapa): New insn pattern.
13473 * sh-c.c: New file.
13474 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13475 setting c_target_objs and cxx_target_objs.
13476 * t-sh: Add rule for sh-c.o.
13478 2006-01-30 Richard Guenther <rguenther@suse.de>
13481 * gimplify.c (gimplify_target_expr): Handle easy cases
13482 without creating a temporary.
13484 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13486 * vec.h (safe_grow): Remove duplicated line.
13488 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13491 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13492 (expand_omp): ... here.
13493 (expand_omp_parallel): Only remove barriers for combined
13494 parallel+workshare constructs.
13496 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13500 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13501 * tree.c (build_qualified_type): Chain the new type to the original
13502 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13503 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13504 (build_pointer_type_for_mode): Only return unqualified types.
13505 (build_reference_type_for_mode): Likewise.
13507 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13509 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13510 * Makefile.in (CXX_COMPAT_WARN): Define.
13511 * configure: Regenerate.
13513 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13516 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13519 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13521 * toplev.c: Fix thinko.
13523 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13524 Marcin Dalecki <martin@dalecki.de>
13526 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13527 (push_srcloc): Use XNEW.
13528 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13530 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13532 * df-core.c (df_set_blocks): Deleted all variable.
13534 2006-01-28 Ian Lance Taylor <ian@airs.com>
13536 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13537 cgraph_output_pending_asms.
13539 2006-01-28 Zack Weinberg <zackw@panix.com>
13541 * c.opt: Add -W(no-)overlength-strings.
13542 * doc/invoke.texi: Document it.
13543 * c-opts.c (c_common_handle_option): -pedantic implies
13544 -Woverlength-strings, if not explicitly disabled already.
13545 (c_common_post_options): -Woverlength-strings defaults to off, and
13546 is always off for C++.
13547 * c-common.c (fix_string_type): Issue warning about strings longer
13548 than is portable only if warn_overlength_strings. Rearrange code
13549 a little for clarity.
13550 * configure.in: Check for -Wno-overlength-strings as well before
13551 enabling -pedantic in stage 1.
13552 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13553 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13555 * genconditions.c (write_header, write_one_condition)
13556 (write_conditions, write_writer): Consolidate very long strings
13557 that were broken up to fit in C89 portable limit. Don't use
13558 printf when fputs will do.
13560 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13562 * combine.c (simplify_comparison <AND>): Check
13563 TRULY_NOOP_TRUNCATION before start using a subreg.
13565 * config/mips/mips.md (*branch_zero<mode>,
13566 *branch_zero<mode>_inverted, *branch_equality<mode>,
13567 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13568 Remove mode check from comparisons.
13570 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13572 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13574 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13576 * expmed.c (const_mult_add_overflow_p): Remove.
13577 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13579 * recog.c (validate_replace_rtx_subexp): Remove.
13580 * recog.h: Remove the prototype for
13581 validate_replace_rtx_subexp.
13583 * integrate.h: Remove the prototype for
13584 copy_decl_for_inlining.
13585 * rtl.h: Remove the prototype for mark_constant_function.
13586 * tree-vectorizer.h: Remove the prototype for
13587 vect_strip_conversion.
13589 * modulo-sched.c (create_partial_schedule,
13590 free_partial_schedule, reset_partial_schedule): Make them
13593 * hooks.c (hook_bool_rtx_int_false): Remove.
13594 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13596 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13598 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13599 and -mlong-double-128 are incompatible.
13600 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13601 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13602 (TARGET_LIBGCC2_CFLAGS): Define.
13603 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13604 (TARGET_LIBGCC2_CFLAGS): Same.
13605 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13607 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13610 * c-typeck.c (build_binary_op): Perform implicit casts of
13611 operands before shortening them.
13613 * cfgloopmanip.c (split_loop_bb): Remove.
13614 * cfgloop.h: Remove the prototype for split_loop_bb.
13616 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13617 * cfgloop.h: Remove the prototype for
13618 flow_loop_outside_edge_p.
13620 * emit-rtl.c (init_virtual_regs): Make it static.
13621 * function.h: Remove the prototype for init_virtual_regs.
13623 * recog.c (peephole2_optimize): Make it static.
13624 * recog.h: Remove the prototype for peephole2_optimize.
13626 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13628 * df-scan.c (df_record_entry_block_defs): Check if
13629 INCOMING_RETURN_ADDR_RTX is defined.
13631 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13632 Kenneth Zadeck <zadeck@naturalbridge.com>
13634 PR rtl-optimization/24762
13635 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13636 * targhooks.c (hook_void_bitmap): New hook prototype.
13637 * targhoohs.h (hook_void_bitmap): Ditto.
13638 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13639 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13640 * target.h (live_on_entry): New function pointer.
13641 * df-scan.c (df_all_hard_regs): Removed.
13642 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13643 (df_scan_free_internal): Added df->entry_block_defs.
13644 (df_scan_alloc): Ditto.
13645 (df_scan_dump): Ditto.
13646 (df_uses_record): Plumbed flag field properly thru calls.
13647 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13648 This part fixes PR24762.
13649 (df_bb_refs_record): Added code to make the frame and arg
13650 pointers live in EH blocks.
13651 (df_refs_record): Added call to df_record_entry_block_defs.
13652 (df_record_entry_block_defs): New function.
13653 * df-core.c: Added comments to describe new artifical defs.
13654 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13655 (entry_block_defs): New field in struct df.
13656 (df_all_hard_regs): Deleted.
13657 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13658 * df-problems.c (df_ru_bb_local_compute_process_def):
13659 Added code to handle artifical defs in the entry to a function.
13660 (df_ru_bb_local_compute): Ditto.
13661 (df_rd_bb_local_compute_process_def): Ditto.
13662 (df_rd_bb_local_compute): Ditto.
13663 (df_lr_bb_local_compute): Ditto.
13664 (df_ur_bb_local_compute): Ditto.
13665 (df_urec_bb_local_compute): Ditto.
13666 (df_chain_create_bb): Ditto.
13667 (df_ur_local_finalize): Removed entry.
13668 (df_urec_init): Ditto.
13669 (df_urec_local_finalize): Ditto.
13670 (df_ri_bb_compute): Added detection of last use of pseudos.
13671 * Makefile.in (df-scan.o): Updated dependencies.
13672 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13673 * config/mips/mips.c (mips_set_live_on_entry): Added.
13674 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13676 * dce.c (marked_insn_p): Added code to handle artifical defs.
13678 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13680 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13682 (_mm_cvtsi128_si64): Likewise.
13683 (_mm_cvtsd_si64): Likewise.
13684 (_mm_cvttsd_si64): Likewise.
13685 (_mm_cvtsi64_sd): Likewise.
13686 (_mm_cvtsi64_si128): Likewise.
13687 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13688 (_mm_cvtsi64_m64): Likewise.
13689 (_m_to_int64): Likewise.
13690 (_mm_cvtm64_si64): Likewise.
13691 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13692 (_mm_cvttss_si64): Likewise.
13693 (_mm_cvtsi64_ss): Likewise.
13694 (_mm_cvtss_f32): Likewise.
13696 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13698 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13699 for pragma redefine_extname.
13701 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13704 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13705 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13706 -mno-minimal-toc to previous content.
13707 (bispecs): Remove goal.
13708 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13709 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13710 compatibility aliases on powerpc-*-*gnu*.
13711 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13712 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13713 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13714 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13715 (ldblspecs): New goal.
13716 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13717 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13719 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13720 L_sf_to_tf or L_df_to_tf is defined.
13722 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13723 Alan Modra <amodra@bigpond.net.au>
13726 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13727 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13728 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13729 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13730 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13731 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13732 (rs6000_override_options): Initialize rs6000_ieeequad.
13733 Initialize TFmode format to ibm_extended_format if not
13735 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13737 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13738 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13739 (function_arg_advance): IBM long double passed in two FPRs, not
13741 (function_arg): IBM long double passed in FPRs.
13742 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13743 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13744 Only multireg GPR aligned.
13745 (rs6000_init_libfuncs): Enable IBM long double functions if not
13747 (rs6000_generate_compare): Use IBM long double compare if not
13749 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13750 (TARGET_IEEEQUAD): Define.
13751 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13752 not TARGET_IEEEQUAD.
13753 * config/rs6000/rs6000.md: Enable TFmode patterns if
13755 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13756 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13757 and -mlong-double-128 are incompatible.
13758 * doc/invoke.texi (-mabi): Collect options together. Add
13759 ibmlongdouble and ieeelongdouble.
13761 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13763 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13765 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13766 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13767 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13768 * rtl.h (rtunion_def): Remove rt_ptr.
13770 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13771 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13772 * config/i386/winnt.c (i386_pe_mark_dllexport)
13773 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13775 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13777 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13779 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13783 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13784 pthread_key_delete. From John David Anglin. gthrw-ify
13785 pthread_getunique_np only if it it's not a macro. Delete
13787 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13788 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13789 __gthread_objc_condition_signal, __gthread_key_delete): Add
13790 "__attribute__ ((__unused__))" to unused arguments.
13791 (__gthread_recursive_mutex_init_function): Add missing return.
13792 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13793 gthr-posix95.h: Use macro-based approach for name redirection
13794 on targets missing weakref.
13796 2006-01-26 Zack Weinberg <zackw@panix.com>
13798 * genconditions.c (write_header): In generated code, #ifdef out
13799 all includes and fake declarations, except includes of bconfig.h
13800 and system.h, unless GCC_VERSION >= 3001. Do not include
13801 gensupport.h in any case.
13802 (write_conditions): Generate a definition of struct c_test. Add
13803 a comment to the generated #endif.
13804 (write_one_condition): Escape backslashes in string too.
13805 (write_writer): Generated code must escape backslashes and quote
13806 marks (but not newlines) in the strings it writes.
13807 * Makefile.in (build/gencondmd.o): Update dependencies.
13809 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13812 * Makefile.in (insn-automata.o): Add header file dependencies.
13813 * genautomata.c: Add includes.
13815 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13818 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13820 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13822 * configure.ac: Expect target tools paths to be passed from the toplevel
13823 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13825 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13827 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13830 * c.opt (Wpointer-sign): Init to -1.
13831 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13832 OPT_pedantic, to 0 otherwise.
13833 * doc/invoke.texi: Update.
13835 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13837 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13838 constants provided by 80387 instructions in the destination mode.
13840 2006-01-26 Richard Guenther <rguenther@suse.de>
13841 Andrew Pinski <pinskia@physics.uc.edu>
13844 partial PR tree-opt/17064
13845 * tree-ssa-structalias.c (intra_create_variable_infos):
13846 Create heap variables for incoming parameters if
13847 flag_argument_noalias > 1.
13848 (find_what_p_points_to): Look through default defs of
13851 2006-01-26 Jeff Law <law@redhat.com>
13854 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13855 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13856 within the VR_RANGE, use the VR_RANGE as the result, not the
13858 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13859 bounds for the type.
13861 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13863 * tree-ssa-alias.c (maybe_create_global_var): Change
13864 subvar walking to an assertion that we don't have subvar'd variables.
13866 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13869 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13870 Use a new variable, inner. PARM_DECLs are always non-weak.
13872 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13874 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13875 --disable-checking.
13877 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13879 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13881 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13883 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13884 (smax_insn, smin_insn, smax_0, smin_0): New.
13886 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13889 * config/cris/cris.c (cris_order_for_addsi3): New function.
13890 * config/cris/cris-protos.h: Prototype it.
13891 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13892 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13893 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13894 (split for "op.S1 [rx=rx+i],ry (swapped)")
13895 (split for "op(s|u).S1 [rx=rx+i],ry")
13896 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13897 Apply cris_order_for_addsi3 when generating addsi3 insns.
13899 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13901 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13902 (TREE_BLOCK): Add call to EXPR_CHECK.
13904 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13907 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13908 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13909 (dump_omp_clauses): ... here.
13910 (dump_generic_node): Handle OMP_CLAUSE.
13911 * tree.c (omp_clause_num_ops): New.
13912 (omp_clause_code_name): New.
13913 (tree_code_size): Handle OMP_CLAUSE.
13914 (tree_size): Likewise.
13915 (make_node): Document handling of OMP_CLAUSE.
13916 (tree_node_structure): Handle OMP_CLAUSE.
13917 (omp_clause_check_failed): New.
13918 (omp_clause_range_check_failed): New.
13919 (omp_clause_operand_check_failed): New.
13920 (build_omp_clause): New.
13921 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13922 * tree.h (enum omp_clause_code): Declare.
13923 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13924 (OMP_CLAUSE_RANGE_CHECK): Define.
13925 (OMP_CLAUSE_ELT_CHECK): Define.
13926 (omp_clause_check_failed): Declare.
13927 (omp_clause_operand_check_failed): Declare.
13928 (omp_clause_range_check_failed): Declare.
13929 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13930 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13931 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13932 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13933 (OMP_CLAUSE_IF_EXPR): Likewise.
13934 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13935 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13936 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13937 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13938 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13939 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13940 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13941 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13942 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13943 (OMP_CLAUSE_CODE): Define.
13944 (OMP_CLAUSE_SET_CODE): Define.
13945 (OMP_CLAUSE_CODE): Define.
13946 (OMP_CLAUSE_OPERAND): Define.
13947 (struct tree_omp_clause): Declare.
13948 (union tree_node): Add field 'omp_clause'.
13949 * treestruct.def (TS_OMP_CLAUSE): Define.
13950 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13951 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13952 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13953 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13954 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13955 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13956 (OMP_CLAUSE): Define.
13957 * print-tree.c (print_node): Handle OMP_CLAUSE.
13958 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13959 * c-typeck.c: Likewise.
13960 * gimplify.c: Likewise.
13961 * c-omp.c: Likewise.
13962 * tree-nested.c: Likewise.
13963 * tree-inline.c: Likewise.
13964 * c-parser.c: Likewise.
13965 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13968 2006-01-25 Roger Sayle <roger@eyesopen.com>
13970 PR rtl-optimization/25703
13971 * combine.c (try_combine): Handle zero_extract and strict_low_part
13972 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13974 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13976 * global.c: Fix comment typos.
13978 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13981 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13982 Use output_addr_const instead of assemble_name.
13984 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13986 * Makefile.in (sched-vis.o): Update dependencies.
13987 * haifa-sched.c (sched_finish): Clear current_sched_info.
13988 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13989 (dump_flow_info): Call it.
13990 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13992 * basic-block.h (dump_bb_info): Declare.
13993 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13994 option, and apply options only for dump files whose TDF_RTL,
13995 TDF_TREE, or TDF_IPA bits match.
13996 * rtl.h: Declare new functions exported from sched-vis.c.
13997 * sched-vis.c: Enable also if scheduling is not used.
13998 (print_value): Print the mode of registers if not inside scheduling.
13999 (print_insn): Make it work outside the scheduler. Beautify the output
14001 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14003 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14005 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14006 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14007 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14008 depending on the value of CONSTANT_POOL_ADDRESS_P.
14009 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14011 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14012 rather than SYMBOL_REF_DECL.
14013 (rtx_constant_pool): Remove const_rtx_sym_htab.
14014 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14015 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14016 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14017 Remove handling of const_rtx_sym_htab.
14018 (find_pool_constant): Delete.
14019 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14020 rather than find_pool_constant.
14021 (get_pool_constant_for_function): Delete.
14022 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14023 find_pool_constant.
14024 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14025 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14026 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14027 (SYMBOL_REF_CONSTANT): New macro.
14028 (get_pool_constant_for_function): Delete.
14029 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14030 rather than SYMBOL_REF_DECL.
14031 (i386_pe_mark_dllimport): Likewise.
14032 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14033 rather than SYMBOL_REF_DECL.
14034 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14035 (machopic_indirect_call_target): Likewise.
14037 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14039 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14041 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14043 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14045 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14047 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14049 2006-01-24 David Daney <ddaney@avtrex.com>
14052 * configure.ac (enable_tls): New enable option.
14053 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14054 * configure: Regenerate.
14055 * doc/install.texi (--enable-tls): Document new option.
14056 (--disable-tls): Ditto.
14058 2006-01-24 Richard Henderson <rth@redehat.com>
14060 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14061 * alias.c (true_dependence): Respect it.
14062 (canon_true_dependence, write_dependence_p): Likewise.
14063 * builtins.c (get_builtin_sync_mem): Set it.
14065 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14067 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14070 2006-01-24 DJ Delorie <dj@redhat.com>
14072 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14073 for storing constants in single-bit bitfields.
14075 2006-01-25 Ben Elliston <bje@au.ibm.com>
14077 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14079 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14082 * tree-ssa-pre.c (phi_translate): Return NULL
14083 for AGGREGATE_TYPE's.
14085 2006-01-24 Zack Weinberg <zackw@panix.com>
14087 * genautomata.c (process_state_for_insn_equiv_partition):
14088 Use xcalloc for insn_arcs_array.
14089 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14090 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14092 2006-01-24 Richard Henderson <rth@redhat.com>
14094 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14095 update all callers.
14097 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14099 PR rtl-optimization/25890
14100 PR rtl-optimization/25905
14101 * combine.c (expand_compound_operation, expand_field_assignment):
14102 Fail if the bitfield's final position is out of bounds.
14104 2006-01-24 Ian Lance Taylor <ian@airs.com>
14106 PR middle-end/25930
14107 * cgraphunit.c (cgraph_output_in_order): Don't clear
14108 cgraph_asm_nodes until after asm strings have been output.
14110 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14112 * fix-header.c (read_scan_file): Add new parameter imultilib when
14113 calling register_include_chains.
14115 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14117 * omp-low.c: Update documentation.
14119 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14120 Daniel Berlin <dberlin@dberlin.org>
14124 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14125 return from the function.
14127 2006-01-22 Zack Weinberg <zackw@panix.com>
14129 * rtl.def (match_code): Add second argument.
14130 * genpreds.c (write_extract_subexp): New function.
14131 (write_match_code): Add path argument. Use write_extract_subexp.
14132 (write_predicate_expr): Pass path to write_match_code.
14133 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14134 not perform a mode test.
14135 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14136 a subexpression does not constrain the top-level code set.
14137 * read-rtl.c (read_rtx_variadic): New function.
14138 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14139 * doc/md.texi: Document new notation.
14140 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14141 (cmpsi_operand): ... here, using new notation.
14143 2006-01-22 Zack Weinberg <zackw@panix.com>
14145 * varray.c: Remove GENERATOR_FILE #ifdefs.
14147 2006-01-22 Zack Weinberg <zackw@panix.com>
14149 * genautomata.c (output_reserved_units_table): Emit nothing if
14150 description->query_units_num is zero. Remove extra blank line.
14151 (output_cpu_unit_reservation_p): Short circuit
14152 if description->query_units_num is zero.
14154 2006-01-22 Zack Weinberg <zackw@panix.com>
14156 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14157 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14158 nor any of the random handful of variables that used to be necessary
14159 when this program was linked with rtlanal.o. Prune set of forward
14160 function declarations.
14161 (struct attr_desc): Remove static_p field.
14162 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14163 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14164 (attr_string): Do not read the character one past the length of
14166 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14167 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14168 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14169 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14170 (make_automaton_attrs): New.
14171 (main): Do not call into genautomata. Call local gen_bypass
14172 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14173 Remove special case for insn_alts.
14174 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14175 varray.h (leftover from previous change). Prune set of forward
14176 function declarations. Remove state_alts fields from all
14177 structures. Remove state_alts_table from struct automaton.
14178 Make everything except main static. Do not maintain num_dfa_decls.
14179 Do not maintain state_alts fields of various structures.
14180 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14181 (add_arc): Remove state_alts argument. All callers updated.
14182 (output_reserved_units_table): Emit #ifdef here...
14183 (output_tables): ...not here. Don't generate state_alts tables.
14184 (expand_automata): Don't generate attributes.
14185 (write_automata): Don't generate state_alts functions.
14186 (main): New function.
14187 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14188 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14189 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14190 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14191 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14192 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14193 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14194 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14196 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14197 * genattrtab.h: Delete file.
14198 * Makefile.in (OBJS-common): Add insn-automata.o.
14199 (insn-automata.o): New rule.
14200 (simple_generated_c): Add insn-automata.c.
14201 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14202 (genprogmd): Add automata.
14203 (build/genattrtab): Needs no extra objects nor libraries.
14204 (build/genautomata): Needs build/vec.o and -lm.
14206 2006-01-22 Zack Weinberg <zackw@panix.com>
14208 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14209 (output_dfa_max_issue_rate, locked_states_num): Delete.
14210 (struct automaton): Add locked_states field.
14211 (output_dead_lock_vect): Save number of locked states in
14212 automaton->locked_states. If it is zero, don't print anything.
14213 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14214 (output_internal_dead_lock_func): Only test the dead_lock_vect
14215 for automata that have locked states.
14216 (output_statistics): Always print the number of locked states for
14217 each automaton. Calculate total number of locked states here.
14218 (write_automata): Don't call output_dfa_max_issue_rate.
14219 * genattrtab.c: Define length_unit_log as a const variable.
14220 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14221 max_insn_queue_index const.
14222 * final.c (length_unit_log): Declare const.
14223 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14225 2006-01-22 Zack Weinberg <zackw@panix.com>
14227 * genautomata.c: Include vec.h, not varray.h.
14228 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14229 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14230 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14231 VEC_* macros operating on appropriately typed vectors, or to
14232 malloced arrays when the size is known in advance. Const-ify
14233 many char* variables and function arguments. No functional changes.
14234 * Makefile.in (build/varray.o): Delete rule.
14235 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14236 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14238 2006-01-22 Zack Weinberg <zackw@panix.com>
14240 * gensupport.c: Define get_insn_name and record_insn_name here.
14241 (read_md_rtx): Call record_insn_name as appropriate.
14242 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14243 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14244 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14246 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14247 (BUILD_VARRAY): Delete.
14248 (genprognormal): Rename genprogmd. Fold in all programs from
14249 genprognoprint; also attrtab.
14250 (build/genattrtab): Just mention genautomata.o and varray.o.
14251 Reorganize a bit, add comments to make the categories clearer.
14253 2006-01-22 Zack Weinberg <zackw@panix.com>
14255 * genconditions.c (condition_table, add_condition): Delete.
14256 (write_conditions): Don't emit n_insn_conditions nor
14257 insn_elision_unavailable. Issue the gcc version #ifdef here,
14258 inside the table, with no #else clause ...
14259 (write_header): ...not here.
14260 (write_writer): New function.
14261 (main): Don't initialize condition_table. Use add_c_test.
14263 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14264 files on the command line.
14265 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14266 Return -1 if there is no entry in the table, don't abort.
14267 (add_c_test, traverse_c_tests): New functions.
14268 * gensupport.h (insn_elision_unavailable, insn_conditions)
14269 (n_insn_conditions): Delete declarations.
14270 (add_c_test, traverse_c_tests): Declare.
14271 * read-rtl.c: Include gensupport.h.
14272 (read_conditions): New function.
14273 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14274 (read_rtx_1): If we get EOF when we were looking for an initial
14275 open paren, return 0. Call read_conditions when appropriate.
14276 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14277 dummy-conditions.o. Eliminate references to insn-conditions.o,
14278 or change them to build/gencondmd.o, as appropriate. Remove
14279 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14280 from $(simple_generated_c). For all files remaining in those
14281 two lists, add insn-conditions.md to the generator command line.
14282 Give insn-constants.h/s-constants their own rules. Add rules
14283 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14284 (build/read-rtl.o): Depend on gensupport.h.
14285 (genprognormal): Include preds.
14286 (genprogearly): Rename genprognoprint; only difference is now that
14287 they don't link with $(BUILD_PRINT).
14288 * dummy-conditions.c: Delete.
14290 2006-01-22 Zack Weinberg <zackw@panix.com>
14292 * genextract.c: Don't include insn-config.h. Do include vec.h.
14293 Declare vectors of int, char, and locstr.
14294 (locstr): New typedef.
14295 (struct extraction): Make all array fields into bare pointers.
14296 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14297 (insn_code_number): Delete.
14298 (accum_extract): New struct.
14299 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14300 (gen_insn): Take insn_code_number as an argument. Use an
14301 accum_extract structure instead of loading data directly into
14302 a struct extraction, and having to know how big it might get.
14303 (walk_rtx): Operate entirely on an accum_extract structure.
14304 (print_path): Avoid unnecessary use of printf.
14305 (print_header): New function, split out of main. Distinguish
14306 more carefully between an unrecognizable insn and an insn that
14307 has the code number of a define_expand.
14308 (main): Pass insn_code_number to gen_insn. Call print_header
14309 only after parsing. Avoid unnecessary use of printf.
14310 * Makefile.in (build/vec.o): New rule.
14311 (build/genextract): Depend on build/vec.o.
14312 (build/genextract.o): Don't depend on insn-config.h.
14314 2006-01-22 Zack Weinberg <zackw@panix.com>
14316 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14317 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14318 practical. Eliminate per-generator-program link rules.
14320 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14322 PR middle-end/24437
14323 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14324 with a call expr to ...
14325 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14327 2006-01-23 Richard Guenther <rguenther@suse.de>
14329 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14330 before make_edge with conditional EDGE_TRUE_VALUE.
14332 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14333 Jan Hubicka <jh@suse.cz>
14334 Richard Guenther <rguenther@suse.de>
14336 PR rtl-optimization/25654
14337 * cfgexpand.c (aggregate_contains_union_type): New function.
14338 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14339 for structure variables that contain a union type.
14341 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14343 * gengtype.c (new_structure): Return the structure.
14344 (create_option): Add an extra "next" argument.
14345 (create_field): New function.
14346 (adjust_field_rtx_def): Use create_option and create_field.
14347 Remove a now-unnecessary call to find_structure.
14348 (adjust_field_tree_def): Likewise.
14349 (note_yacc_type): Remove an unnecessary call to find_structure.
14350 * gengtype.h (new_structure): Return the structure.
14351 (create_option): Add an extra argument.
14352 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14353 (option): Adjust calls to create_option.
14355 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14357 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14359 2006-01-22 Paul Brook <paul@codesourcery.com>
14360 Peter Barada <peter@the-baradas.com>
14362 * config/m68k/m68k.md: Add Coldfire FPU support.
14363 Define FP mode macro and associated attributes.
14364 Use it for float mode patterns.
14365 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14366 (LIBCALL_VALUE): Use m68k_libcall_value.
14367 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14368 (m68k_function_value): Ditto.
14369 (emit_move_sequence): Ditto.
14370 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14371 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14372 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14373 (MULTILIB_EXCEPTIONS): Ditto.
14374 * config/m68k/m68k.opt: Add mcfv4e.
14375 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14376 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14377 (m68k_output_function_prologue): Save ColdFire FPU registers.
14378 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14379 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14380 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14381 ColdFire FPU registers.
14382 (m68k_libcall_value, m68k_function_value): New functions.
14383 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14384 (LIBCALL_VALUE): Use m68k_libcall_value.
14385 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14386 (MASK_COLDFIRE): Add MASK_CFV4E.
14387 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14388 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14389 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14390 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14391 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14392 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14393 * doc/invoke.tex: Document -mcfv4e on m68k.
14395 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14397 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14400 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14403 * c-opts.c (c_common_handle_option): Don't include
14404 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14405 * doc/invoke.texi (C++ Dialect Options): Document that
14406 -Wnon-virtual-dtor is no longer included in -Wall.
14408 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14410 * gcov.c (print_version), gcov-dump.c (print_version),
14411 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14414 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14416 * df-scan.c (problem_SCAN): Added NULL reset function.
14417 (df_scan_reset_blocks): Added code to call reset block function
14418 (df_bb_refs_delete) Fixed comment.
14419 (df_insn_refs_delete): Made tolerant of deleting non existent info
14420 for dataflow problems that need to be reset.
14421 * df-core.c (df_set_blocks): Ditto.
14422 * df.h (struct df_problem): Added reset_fun.
14423 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14424 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14425 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14426 functions to clear out all references to def-use or use-def chains.
14428 2006-01-21 Ben Elliston <bje@au.ibm.com>
14430 * varasm.c (assemble_real): Initialise data array.
14432 2006-01-20 Paul Brook <paul@codesourcery.com>
14434 Merge from csl-arm-branch.
14435 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14436 * config/arm/arm.md (movdi): Force operands[1] to a register
14437 if we have a non-register source.
14438 (*arm_movdi, *movdf_soft_insn): Require that one of the
14439 operands be a register.
14440 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14441 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14443 2006-01-20 DJ Delorie <dj@redhat.com>
14445 * varasm.c (initializer_constant_valid_p): Allow pointers
14446 initialized from integer constants of lesser precision.
14447 (output_constant): Allow non-int-sized pointer modes to be
14448 initialized from integer constants.
14450 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14453 * cppdefault.h (struct default_include): Add multilib flag.
14454 * cppdefault.c (cpp_include_defaults): Set it.
14455 * c.opt (-imultilib): New option.
14456 * c-opts.c (imultilib): New.
14457 (c_common_handle_option): Handle -imultilib.
14458 (c_common_post_options): Likewise.
14459 * c-incpath.c (add_standard_paths, register_include_chains):
14461 * c-incpath.h (register_include_chains): Add extra parameter.
14462 * gcc.c (do_spec_1): Generate -imultilib option.
14463 (The Specs Language): Update %I description.
14464 (process_command): Update copyright notice.
14465 * doc/cppopts.texi (-imultilib): Document.
14466 * doc/invoke.texi (-imultilib): Include in option summary.
14467 (%I): Update specs documentation.
14469 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14471 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14473 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14475 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14478 2006-01-20 Richard Guenther <rguenther@suse.de>
14479 Steven Bosscher <stevenb.gcc@gmail.com>
14481 PR rtl-optimization/24626
14482 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14483 EDGE_TRUE_VALUE if in RTL mode.
14486 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14487 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14489 2006-01-20 Dirk Mueller <dmueller@suse.com>
14492 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14493 instead of a special NOP marker.
14494 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14495 NOP marker handling.
14496 * c-common.h (empty_body_warning): Add forward declaration.
14497 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14498 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14500 2006-01-20 Paul Brook <paul@codesourcery.com>
14502 * Makefile.in (lang_checks): Keep going if mkdir fails.
14504 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14506 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14507 be able to clean out basic block when not necessary.
14508 (df_scan_free): Fixed to properly delete information if df is
14509 unused before calling df_finish.
14510 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14511 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14513 (df_bb_refs_delete): New function.
14514 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14515 * df-core.c (df_set_blocks): Added code to properly clean out
14516 unused blocks if they are not part of the blocks to consider.
14517 Added additional null check.
14518 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14519 be able to clean out basic block when not necessary
14520 * df.h (df_free_bb_function): Ditto.
14521 (df_bb_refs_delete): New function.
14522 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14523 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14524 basic block parameter to be able to clean out basic block when not
14526 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14527 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14528 Fixed to properly delete information if df is unused before
14531 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14533 PR rtl-optimization/25799
14534 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14535 Corrected confluence operator to remove bits from op2 before oring
14536 with op1 rather than removing bits from op1.
14537 (df_ru_transfer_function): Corrected test on wrong bitmap which
14538 caused infinite loop. Both of these problems were introduced in
14539 the dataflow rewrite.
14541 2006-01-19 DJ Delorie <dj@redhat.com>
14543 * reload1.c (find_reload_regs): Note the details of reload
14544 failures in the dump file.
14545 (spill_failure): Likewise.
14547 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14549 * loop-iv.c: Include df.h and hashtab.h.
14550 (enum iv_grd_result): New enum.
14551 (DF_REF_IV, DF_REF_IV_SET): New macros.
14552 (struct biv_entry): New.
14553 (df, bivs): New global variables.
14554 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14555 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14557 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14558 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14559 analyzed_for_bivness_p, record_biv): New functions.
14560 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14561 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14562 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14564 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14566 (iv_number_of_iterations): Use new interface to iv analysis.
14567 * loop-unroll.c: Do not include varray.h.
14568 (analyze_iv_to_split_insn): Use new interface to iv
14570 * loop-unswitch.c (may_unswitch_on): Ditto.
14571 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14573 (df_bb_modify): Realloc tables to the new index.
14574 (df_find_use): New function.
14575 * df.h (df_find_use): Declare.
14576 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14578 * cfgloop.h (struct rtx_iv): Remove analysed field.
14579 (iv_get_reaching_def): Removed.
14580 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14581 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14582 (loop-iv.o): Add df.h and hashtab.h dependency.
14583 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14585 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14588 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14590 (__floatundisf, __floatundidf): Likewise.
14591 * libgcc2.h (IS_IBM_EXTENDED): Define.
14593 2006-01-19 DJ Delorie <dj@redhat.com>
14595 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14597 2006-01-19 Paul Brook <paul@codesourcery.com>
14599 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14600 as nothrow when unwinding tables are disabled.
14602 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14605 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14606 of bit-field" when in system header.
14608 2006-01-19 DJ Delorie <dj@redhat.com>
14610 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14611 the 16 bit shift limit of the m16c.
14613 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14616 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14617 * config/i386/i386.c (output_set_got): Output the label if we have one
14618 for the TARGET_DEEP_BRANCH_PREDICTION case.
14620 2006-01-19 Jan Hubicka <jh@suse.cz>
14621 H.J. Lu <hongjiu.lu@intel.com>
14622 Evandro Menezes <evandro.menezes@amd.com>
14624 * invoke.texi (generic): Document
14626 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14627 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14628 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14629 (x86_use_incdec, x86_pad_returns): New variables
14630 (TARGET_CPU_DEFAULT_generic): New constant
14631 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14632 (enum processor_type): Add generic32 and generic64.
14633 * i386.md (cpu attribute): Add generic32/generic64
14634 (movhi splitter): Behave sanely when both partial_reg_dependency and
14635 partial_reg_stall are set.
14636 (K8 splitters): Enable for generic as well.
14637 * predicates.md (incdec_operand): Use TARGET_INCDEC
14638 (aligned_operand): Avoid memory mismatch stalls.
14639 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14640 * ppro.md: Enable for generic32
14641 * i386.c (generic64_cost, generic32_cost): New.
14642 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14643 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14644 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14645 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14646 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14647 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14648 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14649 x86_accumulate_outgoing_args, x86_prologue_using_move,
14650 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14651 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14652 Enable for generic.
14653 (x86_use_incdec, x86_pad_returns): New.
14654 (override_options): Add generic32 and generic64, translate "generic"
14655 to generic32/generic64 and "i686" to "generic32", refuse
14656 "generic32"/"generic64" as arch target.
14657 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14658 (ix86_reorg): Honor PAD_RETURNS.
14660 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14662 * tree-pretty-print.c (dump_generic_node): Handle
14663 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14664 * cgraph.c (cgraph_expand_queue): Rename from
14665 cgraph_analyze_queue. Update all users.
14666 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14667 cgraph_expand_queue.
14668 (cgraph_expand_all_functions): Likewise.
14669 (cgraph_finalize_pending_functions): Remove. Update callers.
14671 * tree.h (OMP_DIRECTIVE_P): Define.
14672 (OMP_PARALLEL_FN): Define.
14673 (OMP_PARALLEL_DATA_ARG): Define.
14674 (OMP_SECTIONS_SECTIONS): Define.
14675 * tree-pass.h (pass_expand_omp): Declare.
14676 * omp-low.c (struct omp_region): Declare.
14677 (struct omp_context): Remove fields 'parallel_type',
14678 'parallel_start_ix' and 'parallel_start_additional_args'.
14680 (struct omp_for_data): Rename from struct expand_omp_for_data.
14681 (omp_regions): New static variable.
14682 (root_omp_region): New static variable.
14683 (find_omp_clause): Make static.
14684 (is_in_combined_parallel_ctx): Remove.
14685 (is_combined_parallel): New.
14686 (extract_omp_for_data): Move earlier in the file.
14687 (workshare_safe_to_combine_p): New.
14688 (get_ws_args_for): New.
14689 (determine_parallel_type): Move earlier in the file.
14690 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14692 (omp_copy_decl): Likewise.
14693 (create_omp_child_function): Likewise.
14694 (lookup_omp_region): New.
14695 (dump_omp_region): New.
14696 (debug_omp_region): New.
14697 (debug_all_omp_regions): New.
14698 (new_omp_region): New.
14699 (scan_omp_parallel): If parallel_nesting_level > 1, the
14700 directive is nested within another parallel directive.
14701 Set OMP_PARALLEL_FN.
14702 (scan_omp_for): Do not try to handle combined parallel+for
14704 Remove FIXME comment.
14705 (scan_omp_nested): Remove.
14706 (scan_omp_1): Do not call scan_omp_nested when
14707 parallel_nesting_level is > 1.
14708 Do not change the DECL_CONTEXT of local variables found.
14709 (lookup_decl_in_outer_ctx): New.
14710 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14711 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14712 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14713 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14714 If CTX is nested, lookup VAR in the outer context when
14715 building copy assignment.
14716 (lower_send_clauses): Rename from expand_send_clauses.
14717 If CTX is nested, lookup VAR in the outer context when
14718 building copy assignments.
14719 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14720 If CTX is nested, lookup VAR in the outer context when
14721 building copy assignments.
14722 (expand_parallel_call): Rename from build_parallel_call.
14723 Handle combined parallel+workshare cases.
14724 Re-implement to emit code into the CFG.
14726 (expand_omp_parallel): Re-implement to emit code into the CFG.
14727 Call move_sese_region_to_fn to outline the sub-graph
14728 containing the parallel region.
14729 (expand_omp_for_1): Remove.
14730 (expand_omp_for_generic): Re-implement to emit code into the
14732 (expand_omp_for_static_nochunk): Likewise.
14733 (expand_omp_for_static_chunk): Likewise.
14734 (expand_omp_for): Likewise.
14735 (expand_omp_sections): Likewise.
14736 (remove_exit_barriers): New.
14737 (expand_omp_synch): New.
14739 (build_omp_regions_1): New.
14740 (build_omp_regions): New.
14741 (execute_expand_omp): New.
14742 (gate_expand_omp): New.
14743 (pass_expand_omp): Define.
14744 (lower_omp_sections): Rename from expand_omp_sections.
14745 Set OMP_SECTIONS_SECTIONS.
14746 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14747 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14748 (lower_omp_single): Rename from expand_omp_simple.
14749 (lower_omp_master): Rename from expand_omp_master.
14750 (lower_omp_ordered): Rename from expand_omp_ordered.
14751 (lower_omp_critical): Rename from expand_omp_critical.
14752 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14753 (lower_omp_for): Re-implement.
14754 (lower_omp_parallel): Re-implement.
14755 (lower_regimplify): Rename from expand_regimplify.
14756 (lower_omp_1): Rename from expand_omp_1.
14757 If there are syntax errors in the program, replace every
14758 OpenMP directive with NOP.
14759 Call lower_omp_* instead of expand_omp_*.
14760 (lower_omp): Rename from expand_omp.
14762 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14763 * tree-gimple.h (enum omp_parallel_type): Remove.
14764 (gimple_boolify): Declare extern.
14765 (find_omp_clause, determine_parallel_type): Remove.
14767 * gimple-low.c (lower_omp_directive): New.
14768 (lower_stmt): Call it.
14769 (record_vars_into): Move from ...
14770 (record_vars): ... here.
14771 Call record_vars_into with current_function_decl.
14773 * gimplify.c (struct gimplify_ctx): Remove fields
14774 combined_pre_p and combined_ctxp. Update users.
14775 (get_formal_tmp_var): Add documentation.
14776 (gimple_boolify): Make extern.
14777 (gimplify_expr_in_ctx): Remove. Update callers.
14778 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14779 will always be a BIND_EXPR.
14780 (gimplify_expr): Handle OMP_RETURN_EXPR.
14781 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14782 (OMP_PARALLEL): Add 3 operands.
14783 (OMP_SECTIONS): Add 1 operand.
14784 (OMP_RETURN_EXPR): Define.
14786 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14787 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14788 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14789 creating a circular free list.
14790 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14792 * tree-flow.h (move_sese_region_to_fn): Declare.
14793 (record_vars_into): Declare.
14794 * tree-cfg.c (make_omp_sections_edges): New.
14795 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14796 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14797 OMP_SECTIONS and OMP_SECTION.
14798 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14799 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14800 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14801 (gather_blocks_in_sese_region): New.
14802 (struct move_stmt_d): Declare.
14803 (move_stmt_r): New.
14804 (move_block_to_fn): New.
14805 (move_sese_region_to_fn): New.
14807 * passes.c (init_optimization_passes): Schedule
14808 pass_expand_omp after pass_init_datastructures.
14810 * tree-ssa-operands.c (get_expr_operands): Handle
14811 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14812 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14814 2006-01-19 Jeff Law <law@redhat.com>
14816 * tree-vrp.c (extract_range_from_assert): Refine the result range
14817 if the variable referenced by the ASSERT_EXPR has a range and
14818 either the tentative result range or the previous range is a
14821 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14823 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14825 2006-01-19 Jan Hubicka <jh@suse.cz>
14827 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14829 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14831 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14832 (expand_compound_operation, expand_field_assignment): Fail if the
14833 bit lengths of an extract operation are out of range.
14834 (make_extraction): Compute wanted_inner_mode based on the position
14835 and length of the extraction. Make it extraction_mode for non-constant
14836 positions, and do not modify offset in that case. When generating a
14837 new MEM, use a mode that can hold the extraction while keeping correct
14838 alignment. Remove code that supported MEMs wrapped by USEs.
14839 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14841 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14843 * config/s390/s390.md ("Y", "y"): New mode attribute.
14844 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14845 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14846 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14847 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14848 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14849 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14850 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14851 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14852 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14853 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14854 "addsi3", "subsi3"): Insn patterns removed.
14855 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14856 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14857 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14858 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14859 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14860 "*sub<mode>3_cconly2"): New insn patterns.
14861 ("addsi3", "subsi3"): New expanders.
14863 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14865 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14866 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14867 existing STMT_VINFO_VECTYPE if available.
14868 (vect_mark_relevant): Add special handling for stmts that are
14869 marked as STMT_VINFO_IN_PATTERN_P.
14870 (vect_analyze_loop): Call vect_pattern_recog.
14871 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14872 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14874 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14875 (vect_recog_func_ptr): New function-pointer type.
14876 * tree-vect-patterns.c: New file.
14877 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14878 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14879 (vect_pattern_recog_1): New functions.
14880 (vect_pattern_recog_funcs): New array of function pointers.
14882 * tree-vectorizer.h (ternary_op): New enum value.
14883 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14884 declaration. Revised documentation. Removed redundant dump prints.
14885 Removed redundant argument. Added support for reduction patterns.
14886 (vectorizable_reduction): Added support for reduction patterns.
14887 (vect_transform_stmt): Added support for patterns.
14889 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14890 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14891 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14892 (expand_widen_pattern_expr): New function.
14893 (init_optabs): Initialize new optabs udot_prod_optab,
14895 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14896 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14897 (expand_widen_pattern_expr): New function declaration.
14898 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14900 * tree-inline.c (estimate_num_insns_1): Added cases for new
14901 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14902 * tree-pretty-print.c (dump_generic_node): Likewise.
14903 (op_prio): Likewise.
14904 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14905 * tree-ssa-operands.c (get_expr_operands): Added case for
14907 * tree-vect-patterns.c (widened_name_p): New function.
14908 (vect_recog_dot_prod_pattern): Added function implementation.
14909 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14910 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14911 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14912 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14914 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14915 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14916 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14917 (init_optabs): Initialize new optabs widen_ssum_optab,
14919 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14920 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14921 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14922 use instead of type of def.
14923 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14924 function implementation.
14925 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14926 widen_ssumv8hi): New.
14928 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14931 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14934 * c-decl.c (add_flexible_array_elts_to_size): New function.
14935 (finish_decl): Use it.
14937 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14939 * diagnostic.h: Include options.h.
14940 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14941 dependancies for diagnostic.h.
14942 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14944 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14946 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14947 (ssa_ro_call_cache_valid): Ditto.
14948 * tree-ssa-alias.c (sort_tags_by_id): New function.
14949 (init_transitive_clobber_worklist): Ditto.
14950 (add_to_worklist): Ditto.
14951 (mark_aliases_call_clobbered): Ditto.
14952 (compute_tag_properties): Ditto.
14953 (set_initial_properties): Ditto.
14954 (compute_call_clobbered): Ditto.
14955 (compute_may_aliases): Call compute_call_clobbered and grouping.
14956 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14957 (compute_flow_insensitive_aliasing): Grouping now happens in our
14959 (setup_pointers_and_addressables): Remove clobbering related code.
14960 (add_may_alias): Ditto.
14961 (replace_may_alias): Ditto.
14962 (get_nmt_for): Ditto.
14963 (create_global_var):
14964 (is_escape_site): Return an escape_type enumeration.
14965 * tree-flow-inline.h (is_call_clobbered): Global var does not
14966 imply call clobbered.
14967 (mark_call_clobbered): Take a reason for marking this. Remove
14968 marking of globalness, and cache invalidation.
14969 (clear_call_clobbered): Remove cache invalidation code.
14970 * tree-dfa.c (dump_variable): If details is on, dump the reason
14972 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14974 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14975 (struct var_ann_d): Ditto.
14976 (enum escape_type): New.
14977 (mark_call_clobbered): Adjust prototype.
14978 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14979 are never call clobbered.
14980 Record reasons for escaping.
14981 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14982 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14983 (ssa_ro_call_cache_valid): Ditto.
14984 (clobbered_v_may_defs): Ditto.
14985 (clobbered_vuses): Ditto.
14986 (ro_call_vuses): Ditto.
14987 (clobber_stats): New.
14988 (init_ssa_operands): Zero out clobber stats.
14989 (fini_ssa_operands): Print out clobber stats.
14990 (get_call_expr_operands): Pass callee fndecl to
14991 add_call_read_ops).
14992 (add_call_clobber_ops): Remove use of cache.
14993 Add use of PURE_CONST information.
14994 (add_call_read_ops): Remove use of cache.
14995 Add use of static not_read information.
14997 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14999 Introduce TLS descriptors for i386 and x86_64.
15000 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15001 (TARGET_ANY_GNU_TLS): New macro.
15002 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15003 (struct machine_function): Add tls_descriptor_call_expanded_p.
15004 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15005 (ix86_current_function_calls_tls_descriptor): Likewise.
15006 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15007 (override_options): Introduce gnu2 tls dialect.
15008 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15010 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15012 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15013 (ix86_init_machine_status): Initialize new field.
15014 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15015 (ix86_tls_module_base): New.
15016 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15017 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15018 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15019 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15020 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15021 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15022 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15023 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15024 * config/i386/predicates.md (tls_modbase_operand): New.
15025 (tp_or_register_operand): New.
15027 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15029 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15030 (look_for_address_of): Ditto.
15031 (ipa_init): Walk the function decls.
15032 (static_execute): Don't set readonly on FUNCTION_DECL's.
15034 2006-01-18 Roger Sayle <roger@eyesopen.com>
15036 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15037 for shifts where the source and destination registers are different.
15039 2006-01-18 Paul Brook <paul@codesourcery.com>
15041 Merge from csl-arm-branch.
15042 2005-03-14 Julian Brown <julian@codesourcery.com>
15043 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15044 (aeabi_llsl): Likewise.
15045 (ashrdi3): Likewise.
15046 (aeabi_lasr): Likewise.
15047 (lshrdi3): Likewise.
15048 (aeabi_llsr): Likewise.
15049 2005-03-10 Julian Brown <julian@codesourcery.com>
15050 * config.gcc: Disable shared libgcc for SymbianOS.
15051 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15053 2006-01-18 DJ Delorie <dj@redhat.com>
15055 * c-pragma.c (handle_pragma_diagnostic): New.
15056 (init_pragma): Register it.
15057 * doc/extend.texi: Document it.
15059 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15060 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15061 (diagnostic_context): Add classify_diagnostic[].
15062 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15063 as errors if they're overridden to DK_WARNING.
15064 (diagnostic_initialize): Initialize classify_diagnostic[].
15065 (diagnostic_set_kind_override): New.
15066 (diagnostic_report_diagnostic): Check for kind changes.
15067 * opts.c (common_handle_option): Take lang_mask. Update callers.
15068 Handle OPT_Werror_.
15069 * common.opt (Werror=): New.
15070 * doc/invoke.texi: Document -Werror=*
15072 2006-01-18 Jeff Law <law@redhat.com>
15074 * tree-vrp.c (test_for_singularity): Correct test for new
15075 min limit. Use operand_equal_p rather than pointer equality
15076 for testing if new min/max values are equal.
15078 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15079 using range information until after propagation and folding.
15081 2006-01-18 Richard Henderson <rth@redhat.com>
15082 Aldy Hernandez <aldyh@redhat.com>
15083 Jakub Jelinek <jakub@redhat.com>
15084 Diego Novillo <dnovillo@redhat.com>
15086 * omp-low.c: New file.
15087 * c-omp.c: New file.
15089 2006-01-18 Richard Henderson <rth@redhat.com>
15090 Jakub Jelinek <jakub@redhat.com>
15091 Diego Novillo <dnovillo@redhat.com>
15093 * doc/invoke.texi: Document -fopenmp.
15094 * tree-dump.h (debug_function): Declare.
15095 * hooks.c (hook_bool_tree_bool_false): New function.
15096 (hook_tree_tree_null): Remove.
15097 (hook_tree_tree_tree_null): New.
15098 * hooks.h: Update to match.
15099 * tree-pretty-print.c (debug_tree_chain): New.
15100 (print_generic_expr): Handle TDF_CHAIN.
15101 (dump_generic_node): Handle BLOCK.
15102 Do not abort with incomplete SWITCH_EXPRs.
15103 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15104 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15105 print space after directive name.
15106 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15107 Handle OMP_MASTER and OMP_ORDERED.
15108 Handle printing of OMP_BODY just in one place, goto
15109 dump_omp_body in the rest of OMP_* nodes that have
15111 Don't handle clause nodes here. Update omp statements to
15112 use dump_omp_clauses.
15113 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15114 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15115 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15116 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15117 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15118 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15119 Adjust output for GOMP_PARALLEL.
15120 (dump_omp_clauses): New.
15121 (print_declaration): Dump DECL_VALUE_EXPR.
15122 (op_symbol_1): Split out of op_symbol.
15123 (dumping_stmts): Remove. Update all users.
15124 * cgraph.c (cgraph_analyze_queue): New.
15125 (cgraph_add_new_function): New.
15126 * cgraph.h (cgraph_analyze_queue): Declare.
15127 (cgraph_add_new_function): Declare.
15128 (cgraph_lower_function): Remove.
15129 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15130 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15131 and TYPE_P nodes in its default clause.
15132 (empty_body_p): New.
15133 (tree_range_check_failed): New.
15134 (build5_stat): New.
15135 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15136 OMP_CLAUSE_REDUCTION_MERGE,
15137 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15138 OMP_CLAUSE_PRIVATE_DEBUG,
15139 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15140 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15141 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15142 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15143 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15144 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15145 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15146 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15147 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15148 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15149 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15150 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15151 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15152 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15153 (TREE_RANGE_CHECK): New.
15154 (empty_body_p): Declare.
15155 (enum omp_clause_default_kind): New.
15156 (build_string_literal): Declare.
15157 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15158 (build5_stat, build5): Declare.
15159 * tree-pass.h (TDF_CHAIN): Define.
15160 * tree-pass.h (PROP_gimple_lomp): Define.
15161 (pass_lower_omp): Declare.
15162 * diagnostic.h (debug_tree_chain): Declare.
15163 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15165 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15166 * builtins.c (build_string_literal): Make extern.
15167 * gcc.c (include_spec_function): New.
15168 (static_spec_functions): Add it.
15169 (main): Move load of libgomp.spec ...
15170 (LINK_COMMAND_SPEC): ... here.
15171 (link_gomp_spec): New.
15172 (static_specs): Include it.
15173 (LINK_COMMAND_SPEC): Add link_gomp.
15174 (GOMP_SELF_SPECS): New.
15175 (driver_self_specs): Include it.
15176 (switch_matches): Don't mark inline.
15177 (main): Load libgomp.spec.
15178 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15179 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15180 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15181 * tree-gimple.h (enum omp_parallel): Declare.
15182 (determine_parallel_type): Declare.
15183 (omp_firstprivatize_variable): Declare.
15184 (omp_reduction_init): Declare.
15185 (diagnose_omp_structured_block_errors): Declare.
15186 (struct walk_stmt_info): Add want_return_expr.
15187 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15188 (find_omp_clause): Declare.
15189 (insert_field_into_struct): Declare.
15190 (struct walk_stmt_info): Move from tree-nested.c
15191 (walk_stmts): Declare.
15192 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15194 * cgraphunit.c (cgraph_lower_function): Make static.
15195 (cgraph_finalize_pending_functions): New.
15196 (cgraph_finalize_function): Call it.
15197 (cgraph_finalize_compilation_unit): Likewise.
15198 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15199 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15200 (BT_FN_UINT_UINT): New.
15201 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15202 DEF_FUNCTION_TYPE_VAR_4): Document.
15203 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15204 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15205 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15206 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15207 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15208 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15209 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15210 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15211 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15212 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15213 into separate files.
15214 (DEF_GOMP_BUILTIN): New.
15215 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15216 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15217 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15218 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15219 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15220 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15221 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15222 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15223 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15224 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15225 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15226 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15227 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15228 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15229 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15230 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15231 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15232 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15233 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15234 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15235 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15236 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15237 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15238 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15239 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15240 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15241 * sync-builtins.def: New file, moved from builtins.def.
15242 * omp-builtins.def: New file, moved from builtins.def.
15243 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15244 * gimple-low.c (lower_function_body): Clear data.
15245 (lower_stmt): Do not handle COMPOUND_EXPR.
15246 Remove call to print_node_brief.
15247 * c-tree.h (c_finish_omp_clauses): New prototype.
15248 (C_DECL_THREADPRIVATE_P): Define.
15249 (lookup_name_no_remap, c_omp_remap_private): Remove
15250 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15251 (check_for_loop_decls): Update decl.
15252 (lookup_name_no_remap, c_omp_remap_private): Declare.
15253 (build_indirect_ref, build_modify_expr, pushdecl,
15254 pushdecl_top_level): Move to c-common.h.
15255 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15256 before the switch, but just in the 2 places that need it.
15257 * c-decl.c (diagnose_mismatched_decls): Do not check for
15258 mismatched thread-local attributes when OLDDECL is marked
15259 threadprivate and NEWDECL has no thread-local attributes.
15260 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15261 (c_gimple_diagnostics_recursively): Rename from
15262 c_warn_unused_result_recursively. Invoke
15263 diagnose_omp_structured_block_errors.
15264 (check_for_loop_decls): Return a singular decl found.
15265 * langhooks.c (lhd_omp_predetermined_sharing): Return
15266 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15267 (lhd_omp_firstprivatize_type_sizes): New.
15268 (lhd_omp_assignment): New.
15269 (lhd_omp_predetermined_sharing): New.
15270 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15271 (struct lang_hooks_for_types): Add
15272 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15273 omp_predetermined_sharing, omp_disregard_value_expr,
15274 omp_private_debug_clause, omp_clause_default_ctor,
15275 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15276 (c_finish_omp_clauses): New.
15277 (c_finish_bc_stmt): Diagnose break within omp for.
15278 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15279 (build_unary_op): Return error_mark after reporting
15281 (build_modify_expr): Likewise.
15282 * gimplify.c: Include optabs.h and pointer-set.h.
15283 (enum gimplify_omp_var_data): Declare.
15284 (struct gimplify_omp_ctx): Declare.
15285 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15287 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15288 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15289 (splay_tree_compare_decl_uid): New.
15290 (new_omp_context): New.
15291 (delete_omp_context): New.
15292 (gimple_add_tmp_var): Call omp_add_variable.
15293 (gimplify_bind_expr): Likewise.
15294 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15295 true, disregard DECL_VALUE_EXPR on the decl if any.
15296 (gimplify_expr_in_ctx): New.
15297 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15298 omp_add_variable, omp_notice_variable, omp_is_private
15299 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15300 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15301 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15302 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15303 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15304 gimplify_omp_atomic): New.
15305 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15306 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15307 OMP_CRITICAL and OMP_ATOMIC.
15308 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15309 * c-pragma.h (enum pragma_kind): Add
15310 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15311 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15312 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15313 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15314 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15315 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15316 PRAGMA_OMP_THREADPRIVATE.
15317 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15318 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15319 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15320 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15321 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15322 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15323 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15324 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15325 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15326 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15327 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15328 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15329 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15331 (struct nesting_info): Add field_map,
15332 suppress_expansion, debug_var_chain.
15333 (create_nesting_tree): Initialize them.
15334 (lookup_field_for_decl): Use field_map.
15335 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15336 (convert_local_omp_clauses): New.
15337 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15338 (walk_body): Split out of walk_function.
15339 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15340 (convert_nonlocal_reference): Handle omp statements.
15341 (convert_local_reference): Likewise.
15342 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15343 (unnest_nesting_tree): New.
15344 (lower_nested_functions): Call it.
15345 (insert_field_into_struct): Make extern.
15346 (struct walk_stmt_info): Move to tree-gimple.h.
15347 (walk_stmts): Make extern.
15348 * omp-builtins.def: New file.
15349 * tree-iterator.c (expr_only): Clarify comment.
15350 * c-common.h (pushdecl_top_level, pushdecl,
15351 build_modify_expr, build_indirect_ref,
15352 c_finish_omp_master, c_finish_omp_critical,
15353 c_finish_omp_ordered, c_finish_omp_barrier,
15354 c_finish_omp_atomic, c_finish_omp_flush,
15355 c_finish_omp_for, c_split_parallel_clauses,
15356 omp_clause_default_kind, c_omp_sharing_predetermined,
15357 c_omp_remap_decl): Declare.
15358 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15359 (OBJS-common): Add omp-low.o.
15360 (c-omp.o, omp-low.o): Add.
15361 (gimplify.o): Add dependency on $(OPTABS_H).
15362 (GTFILES): Add omp-low.c.
15363 (gt-stringpool.h): Add.
15364 * tree-cfg.c (set_bb_for_stmt): Do not update the
15365 block-to-labels map if we are currently expanding to RTL.
15366 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15368 Handle IDENTIFIER_NODE.
15369 (tree_verify_flow_info): Do not ICE when emitting error
15370 messages about invalid labels.
15371 (dump_function_to_file): Reset CFUN before emitting the body
15373 (debug_function): New.
15374 * passes.c (init_optimization_passes): Schedule
15376 * langhooks-def.h (lhd_omp_predetermined_sharing,
15377 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15379 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15380 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15381 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15382 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15383 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15384 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15385 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15386 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15387 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15388 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15389 (LANG_HOOK_DECLS): Use them.
15391 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15392 Richard Henderson <rth@redhat.com>
15393 Jakub Jelinek <jakub@redhat.com>
15394 Diego Novillo <dnovillo@redhat.com>
15396 * c-parser.c (pragma_omp_clause): Define.
15397 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15398 (c_parser_compound_statement): Likewise.
15399 (c_parser_statement): Likewise.
15400 (c_parser_pragma): Handle omp pragmas.
15401 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15402 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15403 (c_parser_omp_clause_name, check_no_duplicate_clause,
15404 c_parser_omp_variable_list,
15405 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15406 c_parser_omp_clause_copyprivate,
15407 c_parser_omp_clause_default,
15408 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15409 c_parser_omp_clause_lastprivate,
15410 c_parser_omp_clause_nowait,
15411 c_parser_omp_clause_num_threads,
15412 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15413 c_parser_omp_clause_reduction,
15414 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15415 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15416 c_parser_omp_atomic, c_parser_omp_barrier,
15417 c_parser_omp_critical, c_parser_omp_flush,
15418 c_parser_omp_for_loop, c_parser_omp_for,
15419 c_parser_omp_master, c_parser_omp_ordered,
15420 c_parser_omp_sections_scope, c_parser_omp_sections,
15421 c_parser_omp_parallel, c_parser_omp_single,
15422 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15423 * c-pragma.c (init_pragma): Do omp pragma registration here.
15424 * c.opt (fopenmp): New flag.
15426 2006-01-18 Eric Christopher <echristo@apple.com>
15428 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15429 * config/darwin.h (GOMP_SELF_SPECS): Define.
15431 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15433 * rtl.h: Remove the prototype for reg_alloc.
15435 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15438 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15439 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15440 sjlj and dwarf2 exception handling.
15441 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15442 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15443 * pa/pa.c (function_value): Treat complex and vector types as
15445 (function_arg): Likewise. Only pass scalar floats in the floating
15446 point argument registers.
15447 * pa/t-slibgcc-dwarf-ver: New file.
15448 * pa/t-slibgcc-sjlj-ver: New file.
15449 * pa/t-slibgcc-elf-ver: Delete file.
15451 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15453 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15454 unlikely_test_section_p test.
15456 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15458 * mode-switching.c (optimize_mode_switching): Make it static.
15459 * basic-block.h: Remove the prototype for
15460 optimize_mode_switching.
15462 * modulo-sched.c (sms_schedule): Make it static.
15463 * rtl.h: Remove the prototype for sms_schedule.
15465 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15466 * rtl.h: Remove the prototype for gcse_after_reload_main.
15468 * reg-stack.c (reg_to_stack): Make it static.
15469 * rtl.h: Remove the prototype for reg_to_stack.
15471 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15473 * rtl.h: Remove the prototypes for regrename_optimize and
15474 copyprop_hardreg_forward.
15476 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15478 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15479 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15480 Test against the appropriate null constant for the mode.
15481 If 'fixup_overlap' is true, swap the operands if they overlap.
15482 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15483 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15484 alpha_split_tmode_pair and adjust for above change.
15485 * config/alpha/alpha.md (movtf_internal): Adjust call to
15486 alpha_split_tfmode_pair and rely on it to swap the operands.
15487 (movti_internal): New insn and post-reload splitter.
15488 (movti): New expander.
15490 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15492 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15495 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15497 * rtlanal.c (global_reg_mentioned_p_1,
15498 global_reg_mentioned_p): Remove.
15499 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15501 * flow.c (initialize_uninitialized_subregs): Make it static.
15502 * rtl.h: Remove the prototype for
15503 initialize_uninitialized_subregs.
15505 * function.c (instantiate_virtual_regs): Make it static.
15506 * function.h: Remove the prototype for
15507 instantiate_virtual_regs.
15509 * regmove.c (regmove_optimize, combine_stack_adjustments):
15511 * rtl.h: Remove the prototypes for regmove_optimize and
15512 combine_stack_adjustments.
15514 2006-01-17 Roger Sayle <roger@eyesopen.com>
15516 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15517 (size_cost): Encode costs in bytes so that a reg-reg addition is
15518 equivalent to COSTS_N_INSNS(1).
15519 (override_options): Use the size_cost.branch_cost as the default
15520 ix86_branch_cost when optimizing for size.
15522 2006-01-18 Ben Elliston <bje@au.ibm.com>
15524 * Makefile.in (D32PBIT_FUNCS): New.
15525 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15526 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15527 D64PBIT_FUNCS and D128PBIT_FUNCS.
15528 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15529 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15531 (decnumber_dep): Define.
15532 * doc/libgcc.texi (Decimal float library routines): New node.
15533 * config/dfp-bit.h, config/dfp-bit.c: New files.
15535 2006-01-18 Ben Elliston <bje@au.ibm.com>
15537 * expr.c (emit_move_change_mode): Always adjust addresses, not
15538 just during reload. Copy replacements only during reload.
15539 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15540 emit_move_via_integer.
15542 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15544 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15545 instead of $(srcdir) and ${srcdir}.
15547 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15550 PR middle-end/11135
15551 * arm.h (struct machine_function): Add pic_reg.
15552 * arm.c (arm_pic_register): Make unsigned.
15553 (arm_override_options): Only set arm_pic_register if
15554 TARGET_SINGLE_PIC_BASE.
15555 (use_return_insn): Only test for a pic register if it is fixed.
15556 (arm_compute_save_reg0_reg12_mask): Likewise.
15557 (thumb_compute_save_reg_mask): Likewise.
15558 (legitimate_pic_operand): Factor out some known invariants.
15559 (legitimize_pic_address): If we don't have a fixed pic register,
15560 then set up a pseudo in the function entry sequence. Handle the
15561 pic base being in a pseudo.
15562 (arm_load_pic_register): Handle the pic register being in a pseudo.
15563 (arm_expand_prologue): Only set up the pic register if it is fixed.
15564 (thumb_expand_prologue): Likewise.
15565 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15566 (pic_load_addr_based_insn): Likewise.
15567 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15570 2006-01-18 Ben Elliston <bje@au.ibm.com>
15572 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15573 decimal float modes for all floating point registers.
15575 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15576 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15578 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15581 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15582 even when the pointer is not NULL.
15584 2006-01-16 Ian Lance Taylor <ian@airs.com>
15586 * common.opt (ftoplevel-reorder): New option.
15587 * cgraph.c (cgraph_asm_nodes): New global variable.
15588 (cgraph_asm_last_node): New static variable.
15589 (cgraph_order): New global variable.
15590 (cgraph_create_node): Set new order field.
15591 (cgraph_varpool_node): Likewise.
15592 (decide_is_variable_needed): Return true if not
15593 flag_toplevel_reorder.
15594 (cgraph_add_asm_node): New function.
15595 * cgraph.h (struct cgraph_node): Add order field.
15596 (struct cgraph_varpool_node): Add order field.
15597 (struct cgraph_asm_node): Define.
15598 (cgraph_asm_nodes, cgraph_order): Declare.
15599 (cgraph_add_asm_node): Declare.
15600 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15602 (cgraph_varpool_assemble_pending_decls): Call it.
15603 (cgraph_output_pending_asms): New static function.
15604 (cgraph_finalize_compilation_unit): Call it.
15605 (struct cgraph_order_sort): Define.
15606 (cgraph_output_in_order): New static function.
15607 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15608 !flag_toplevel_reorder case.
15609 * c-parser.c: Include "cgraph.h".
15610 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15612 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15613 than -fno-unit-at-a-time.
15614 * doc/invoke.texi (Option Summary): Mention
15615 -fno-toplevel-reorder.
15616 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15617 -funit-at-a-time documentation.
15619 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15620 Kazu Hirata <kazu@codesourcery.com>
15622 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15624 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15626 * Makefile.in (FUNCTION_H): New. Use it instead of
15627 function.h throughout the file.
15628 * function.h: Include tree.h.
15630 2006-01-17 Ben Elliston <bje@au.ibm.com>
15632 * recog.c: Separate some functions with whitespace.
15634 2006-01-16 Richard Henderson <rth@redhat.com>
15636 Merge from gomp branch:
15637 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15638 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15639 and rename from struct inline_data. Rename callee* to dst*;
15640 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15641 transform_new_cfg, transform_return_to_modify, and
15642 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15644 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15645 (copy_decl_for_dup): Remove.
15646 * tree-inline.c (struct inline_data): Move to header.
15647 (insert_decl_map): Export.
15648 (remap_decl): Update for member name changes. Use copy_decl hook.
15649 Allow for replacement to be a non-decl. Remove dead code.
15650 (remap_type_1): Check for existing mapping.
15651 (remap_type): Export.
15652 (remap_decls): Update for member name changes.
15653 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15654 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15655 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15656 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15657 (tree_function_versioning, build_duplicate_type): Likewise.
15658 (copy_body_r): Likewise. Export.
15659 (copy_decl_for_dup): Split into ...
15660 (copy_decl_for_dup_finish, copy_decl_to_var,
15661 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15662 (replace_ref_tree, inlining_p): Remove.
15664 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15666 * ifcvt.c (if_convert): Make it static.
15667 * rtl.h: Remove the prototype for if_convert.
15669 * local-alloc.c (local_alloc): Make it static.
15670 * rtl.h: Remove the prototype for local_alloc.
15672 * loop.c (loop_optimize): Make it static.
15673 * cfgloop.h: Remove the prototype for loop_optimize.
15676 2006-01-16 DJ Delorie <dj@redhat.com>
15678 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15681 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15683 * pa.md: Disparage copies between general and floating-point registers
15684 in 32-bit move patterns.
15686 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15689 * Makefile.in (check-%): Depend on site.exp instead of
15690 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15693 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15695 * global.c (global_alloc): Make it static.
15696 * rtl.h: Remove the prototype for global_alloc.
15698 2006-01-16 Richard Guenther <rguenther@suse.de>
15700 * tree-ssa-alias.c (struct used_part): Add write_only field.
15701 (get_or_create_used_part_for): Initialize it to true.
15702 (create_overlap_variables_for): Don't create structure variables
15703 for structures that only are written to.
15704 (find_used_portions): Handle MODIFY_EXPR to track whether a
15705 structure is only written to.
15707 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15709 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15711 * basic-block.h: Remove the prototype for
15712 partition_hot_cold_basic_blocks.
15714 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15716 * cppspec.c (lang_specific_spec_functions): Remove.
15717 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15718 * gcc.h (lang_specific_spec_functions): Remove.
15719 * gccspec.c (lang_specific_spec_functions): Remove.
15721 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15723 * combine.c (record_value_for_reg): Invalidate registers
15725 (record_dead_and_set_regs_1): Likewise, by passing them to
15726 record_value_for_reg.
15727 (record_dead_and_set_regs): Invalidate stores made by a
15728 call. We do not combine across a call, but we still
15729 relied on equivalences.
15731 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15733 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15734 vrp_int_const_binop returning non-constant nodes.
15736 2006-01-16 Paul Brook <paul@codesourcery.com>
15738 * config/m68k/m68k.c (output_move_const_into_data_reg):
15739 Output correct mnemonic for mvz and mvs.
15741 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15743 * rtl-factoring.c: Add sequence abstraction algorithm.
15744 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15745 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15747 (block_has_preserve_label): New function.
15748 * common.opt: Register new pass.
15749 * Makefile.in: Ditto.
15751 * timevar.def: Ditto.
15752 * tree-pass.h: Ditto.
15753 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15754 * rtl.h (make_jump_insn_raw): Add forward decl.
15755 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15757 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15758 Roger Sayle <roger@eyesopen.com>
15760 * fold-const.c (fold_minmax): New static function.
15761 (fold_binary) <MIN_EXPR>: Call it.
15762 <MAX_EXPR>: Likewise.
15763 * stor-layout.c (place_field): Use DECL_SIZE consistently
15764 in the computation of the new record size.
15766 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15768 * cse.c (cse_condition_code_reg): Make it static.
15769 * rtl.h: Remove the prototype for cse_condition_code_reg.
15771 * combine.c (combine_instructions): Make it static.
15772 * rtl.h: Remove the prototype for combine_instructions.
15774 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15777 * tree.c (get_file_function_name_long): Concatenate the first global
15778 object name with a string derived from the input filename of the object
15781 2006-01-16 Ben Elliston <bje@au.ibm.com>
15783 * config/i386/winnt-stubs.c: Update FSF address.
15784 * config/xtensa/ieee754-df.S: Ditto.
15785 * config/xtensa/ieee754-sf.S: Ditto.
15787 2006-01-14 Ian Lance Taylor <ian@airs.com>
15789 * ifcvt.c (noce_init_if_info): New static function, broken out of
15790 noce_process_if_block.
15791 (noce_process_if_block): Call noce_init_if_info.
15792 (check_cond_move_block): New static function.
15793 (cond_move_process_if_block): New static function.
15794 (process_if_block): Call cond_move_process_if_block.
15796 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15798 * cselib.c (hash_table): Rename to cselib_hash_table.
15799 (cselib_clear_table, discard_useless_values,
15800 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15801 cselib_init, cselib_finish): Adjust uses of hash_table.
15803 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15805 PR tree-optimization/25485
15806 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15807 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15808 is known to be false and true, respectively.
15810 2006-01-14 Richard Guenther <rguenther@suse.de>
15812 PR tree-optimization/22548
15813 PR tree-optimization/22555
15814 PR tree-optimization/22501
15815 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15816 * params.def (salias-max-array-elements): New parameter.
15817 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15818 * doc/invoke.texi (salias-max-array-elements): Document.
15819 * tree-flow-inline.h (var_can_have_subvars): We also handle
15821 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15823 * tree-ssa-structalias.c (params.h): Include.
15824 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15825 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15826 (get_constraint_for): For ADDR_EXPR operating on something
15827 containing an ARRAY_REF, add all subvars to the solution.
15828 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15829 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15830 for creating MUST_DEFs.
15831 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15833 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15835 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15837 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15838 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15839 number_of_iterations_le): New functions.
15840 (number_of_iterations_special): Removed.
15841 (number_of_iterations_exit): Do not use number_of_iterations_special.
15842 * tree.c (unsigned_type_for): Always return integer type.
15844 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15845 Richard Guenther <rguenther@suse.de>
15847 PR rtl-optimization/24257
15848 * gcse.c (find_moveable_store): Only consider a store movable
15849 when the SET_SRC of the insn can be assigned to a register.
15851 2006-01-14 Ian Lance Taylor <ian@airs.com>
15853 * tree.c (tree_not_class_check_failed): New function.
15854 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15855 (tree_not_class_check_failed): Declare.
15857 2006-01-13 Ian Lance Taylor <ian@airs.com>
15859 * reload1.c (do_output_reload): Add assertion rejecting a
15862 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15864 * combine.c (struct reg_stat): Add new fields truncation_label and
15866 (record_value_for_reg): Reset truncated_to_mode.
15867 (record_truncated_value): New function.
15868 (check_promoted_subreg): Call it. Rename to check_conversions.
15869 (combine_instructions): Rename check_promoted_subreg to
15871 (reg_truncated_to_mode): New function.
15872 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15873 (gen_lowpart_or_truncate): New function.
15874 (force_to_mode): Use it instead of gen_lowpart.
15876 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15878 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15879 VAR is a tag, not its type tag.
15881 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15883 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15884 alternatives to match style of other entries.
15885 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15887 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15889 PR tree-optimization/25771
15890 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15893 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15896 * tree-inline.c (declare_return_variable): If the return variable
15897 was marked as a non gimple complex, set the return slot variable
15898 to be a non gimple comple variable.
15900 2006-01-13 Richard Guenther <rguenther@suse.de>
15902 * builtins.c (expand_builtin_sincos): New function.
15903 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15905 (expand_builtin): Expand sincos using expand_builtin_sincos.
15907 2006-01-12 DJ Delorie <dj@redhat.com>
15909 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15910 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15911 so that constant shifts can be split.
15912 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15913 (m32c_valid_pointer_mode): Make static.
15914 (shift_gen_func_for): New.
15915 (m32c_prepare_shift): Use it. Split large const shifts into
15917 * config/m32c/predicates.md (shiftcount_operand): Allow more
15919 (longshiftcount_operand): New.
15920 * doc/md.texi (Machine Constraints): Document In6.
15922 2006-01-13 Ben Elliston <bje@au.ibm.com>
15924 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15925 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15928 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15930 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15931 to try to avoid clobbering pieces of structures when we know
15932 something about the whole structure.
15933 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15935 2006-01-13 Ben Elliston <bje@au.ibm.com>
15937 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15938 return in memory, as this is no limitation is no longer present.
15940 2006-01-12 DJ Delorie <dj@redhat.com>
15942 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15943 mova with fb, and for fb+0 -> An.
15945 * config/m32c/mov.md (peephole2): Fix enabling logic.
15947 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15948 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15949 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15950 FINI_ARRAY_SECTION_ASM_OP): Define.
15952 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15954 (m32c_legitimize_reload_address): New logic to reload FB to An.
15955 (m32c_output_reg_push): Add newline.
15956 (m32c_output_reg_pop): Likewise.
15958 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15960 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15962 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15964 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15966 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15968 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15971 2006-01-11 Ben Elliston <bje@au.ibm.com>
15973 * rtlanal.c (find_reg_note): Assert insn is not null.
15975 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15977 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15980 2006-01-11 Jeff Law <law@redhat.com>
15982 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15984 (mark_threaded_blocks, register_jump_thread): New functions.
15985 (thread_through_all_blocks): Remove unwanted argument. No
15986 longer rely on e->aux to communicate thread target info.
15987 Call mark_threaded_blocks. Release the threaded_blocks
15988 bitmap and threaded_edges vector when complete.
15989 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15990 (threaded_blocks): Remove.
15991 (tree_ssa_dominator_optimize): Remove initialization and
15992 finalization of threaded_blocks. Simplify call to
15993 thread_through_all_blocks.
15994 (thread_across_edge): Call register_jump_thread rather than
15995 storing thread information into e->aux.
15996 (free_all_edge_infos): Simplify now that e->aux is no longer
15997 used to communicate with thread_through_all_blocks.
15998 * tree-flow.h (thread_through_all_blocks): Update prototype.
15999 (register_jump_thread): Prototype.
16001 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16003 * df-core.c (df_compact_blocks, df_bb_replace): Use
16004 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16006 2006-01-11 Richard Guenther <rguenther@suse.de>
16008 PR tree-optimization/25734
16009 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16010 stop propagation after successful propagation to the LHS.
16012 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16014 * basic-block.h (control_flow_graph): Change the type of
16015 x_basic_block_info to VEC(basic_block,gc) *.
16016 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16018 (SET_BASIC_BLOCK): New.
16019 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16020 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16021 * cfgbuild.c (find_basic_blocks): Likewise.
16022 * cfglayout.c (fixup_reorder_chain): Likewise.
16023 * cfgrtl.c (create_basic_block_structure,
16024 rtl_create_basic_block): Likewise.
16025 * ifcvt.c (find_if_case_1): Likewise.
16026 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16029 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16031 * Makefile.in: Removed rotted odf.c entry.
16033 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16036 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16037 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16038 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16039 output pattern modifier, not %e.
16040 * config/cris/cris.c (cris_op_str): Update comment about pattern
16042 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16043 before falling through into...
16044 <case 'E'>: Redefined from old 'e' case.
16046 2006-01-11 Jan Hubicka <jh@suse.cz>
16049 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16051 2006-01-11 Jan Hubicka <jh@suse.cz>
16053 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16054 * i386.c (x86_decompose_lea): Kill.
16055 (ix86_rtx_costs): Kill.
16057 2006-01-11 Jan Hubicka <jh@suse.cz>
16059 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16060 * cgraph.h (cgraph_node): Add inline_decl.
16061 (cgraph_insert_node_to_hashtable): Declare.
16062 (save_inline_function_body): Declare.
16063 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16065 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16066 (cgraph_function_versioning): Update call of tree_function_versioning.
16067 (save_inline_function_body): New function.
16068 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16069 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16070 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16071 (cgraph_default_inline_p): Likewise.
16072 (cgraph_decide_inlining_incrementally): Likewise.
16073 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16074 (copy_bb): Kill saving; do updating of clones.
16075 (copy_cfg_body): Kill saving.
16076 (initialize_inlined-parameters): Likewise.
16077 (expand_call_inline): Likewise.
16079 (tree_function_versioning): New parameter "update_clones".
16080 (inlining_p): Kill saving.
16081 * tree-inline.h (tree_function_versioning): Update prototype.
16082 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16085 2006-01-11 Ian Lance Taylor <ian@airs.com>
16087 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16088 Allow undoing set of machine mode.
16089 (do_SUBST): Use enums instead of is_int.
16090 (do_SUBST_MODE): New function.
16091 (SUBST_MODE): New macro.
16092 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16093 reg and trying to replace reg_regno_rtx with a new register.
16094 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16095 (simplify_set): Use SUBST_MODE.
16096 (distribute_notes): Remove code that tried to update reg notes
16097 for regno_reg_rtx changes.
16099 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16101 PR tree-optimization/23109
16102 PR tree-optimization/23948
16103 PR tree-optimization/24123
16105 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16106 * tree-cfg.c (single_noncomplex_succ): New.
16107 * tree-flow.h (single_noncomplex_succ): Declare it.
16108 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16109 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16110 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16111 insert_bb, register_division_in, insert_reciprocals,
16112 replace_reciprocal, free_bb): New.
16113 (execute_cse_reciprocals_1): Rewritten.
16114 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16115 Do not commit any edge insertion. Always compute dominators and
16116 create the allocation pool.
16117 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16118 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16119 * targhooks.c (default_min_divistions_for_recip_mul): New.
16120 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16121 * passes.c (init_optimization_passes): Run recip after tree loop
16123 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16125 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16126 Kenneth Zadeck <zadeck@naturalbridge.com>
16128 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16129 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16130 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16131 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16132 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16133 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16134 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16135 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16136 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16137 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16138 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16139 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16140 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16141 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16142 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16143 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16144 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16145 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16146 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16147 DF_SCAN_POST_ALLOC): New macros.
16148 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16149 df_free_bb_function, df_local_compute_function, df_init_function,
16150 df_dataflow_function, df_confluence_function_0,
16151 df_confluence_function_n, df_transfer_function,
16152 df_finalizer_function, df_free_function, df_dump_problem_function,
16153 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16154 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16155 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16156 df_urec_bb_info, ) New types.
16157 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16159 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16160 df_analyze_simple_change_some_blocks,
16161 df_analyze_simple_change_one_block, df_compact_blocks,
16162 df_bb_replace, df_bb_regno_last_use_find,
16163 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16164 df_insn_regno_def_p, df_find_def, df_find_use,
16165 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16166 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16167 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16168 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16169 debug_df_chain, df_get_dependent_problem, df_chain_create,
16170 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16171 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16172 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16173 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16174 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16175 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16176 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16177 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16178 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16179 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16180 df_reorganize_refs, df_set_state, df_hard_reg_init,
16181 df_read_modify_subreg_p) New public functions.
16182 * df-core.c: The core dataflow solver and glue routines for rtl
16184 (df_init, df_add_problem, df_set_blocks, df_finish,
16185 df_hybrid_search_forward, df_hybrid_search_backward,
16186 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16187 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16188 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16189 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16190 df_reg_defined, df_find_use, df_reg_used, df_dump,
16191 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16192 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16193 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16194 debug_df_useno, reset_df_after_reload): New functions.
16195 * df-scan.c: The scanning fuctions, once in df.c, completely
16196 rewritten so that they now fully model the functionality of
16197 register usage at the backend.
16198 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16199 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16200 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16201 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16202 df_get_artificial_defs, df_get_artificial_uses,
16203 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16204 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16205 df_refs_delete, df_reorganize_refs, df_set_state,
16206 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16207 df_def_record_1, df_defs_record, df_uses_record,
16208 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16209 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16210 df_record_exit_block_uses, df_hard_reg_init): New functions.
16212 * df-problems.c: Seven concrete dataflow problems that use the
16213 scanning in df-scan.c and are solved by the engine in df-core.c.
16214 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16215 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16216 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16217 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16218 df_ru_free_bb_info, df_ru_alloc,
16219 df_ru_bb_local_compute_process_def,
16220 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16221 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16222 df_ru_transfer_function, df_ru_free, df_ru_dump,
16223 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16224 df_rd_free_bb_info, df_rd_alloc,
16225 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16226 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16227 df_rd_transfer_function, df_rd_free, df_rd_dump,
16228 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16229 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16230 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16231 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16232 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16233 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16234 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16235 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16236 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16237 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16238 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16239 df_urec_mark_reg_use_for_earlyclobber,
16240 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16241 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16242 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16243 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16244 df_chain_create_bb_process_use, df_chain_create_bb,
16245 df_chain_finalize, df_chain_free, df_chains_dump,
16246 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16247 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16248 df_reg_lifetime): New functions.
16249 * df.c: Deleted file.
16250 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16251 consistent with new df api.
16252 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16253 rest_of_handle_sms): Ditto.
16254 * web.c (unionfind_union, union_defs, entry_register, web_main):
16256 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16257 invariant_expr_equal_p, find_defs, check_dependencies,
16258 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16259 free_inv_motion_data, move_loop_invariants): Ditto.
16260 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16261 Update dependencies.
16262 (odf.c): Added defective entry that was deleted later in day.
16263 * sched-deps.c (sched_analyze_1): Ditto.
16265 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16267 * tree-ssa-operands.c (get_expr_operands): Record addressable
16268 variables directly. Do not call add_stmt_operands for CONST_DECLs
16270 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16271 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16273 2006-01-11 Ben Elliston <bje@au.ibm.com>
16275 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16276 function returns true in the positive case.
16278 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16281 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16282 for SI, DI, SF and DF modes. Add alternatives to copy between
16283 general and floating point registers to the 32-bit patterns.
16284 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16285 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16286 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16287 generating 64-bit code.
16288 * config/pa/pa.c (output_move_double): Handle copies between general
16289 and floating registers.
16291 2006-01-10 Stuart Hastings <stuart@apple.com>
16293 * config/i386/i386.md (set_got): Update.
16294 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16295 (builtin_setjmp_receiver): Mach-O support.
16296 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16297 (GOT_SYMBOL_NAME): Define.
16298 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16299 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16300 * config/i386/i386.c (override_options): Revise for Darwin.
16301 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16302 support. (darwin_x86_file_end): New. (output_set_got): Add label
16303 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16304 * config/i386/i386-protos.h (output_set_got): Likewise.
16305 * config/darwin.c (machopic_legitimize_pic_address): Update
16308 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16310 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16311 when MODE isn't BLKmode.
16313 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16315 PR rtl-optimization/25367
16316 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16318 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16321 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16322 for a negative bound.
16324 2006-01-10 Richard Guenther <rguenther@suse.de>
16326 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16327 Never override with anything constraint.
16329 2006-01-10 Jan Beulich <jbeulich@novell.com>
16331 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16332 256 bits when optimize_size.
16334 2006-01-10 Jan Beulich <jbeulich@novell.com>
16336 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16338 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16339 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16342 2006-01-10 Ben Elliston <bje@au.ibm.com>
16344 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16346 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16347 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16348 (USE_FP_FOR_ARG): Reject decimal float modes.
16349 (function_arg_advance): Likewise.
16350 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16351 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16352 point types in AltiVec vectors.
16353 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16354 (rs6000_libcall_value): Likewise.
16356 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16358 * config/xtensa/ieee754-df.S: New file.
16359 * config/xtensa/ieee754-sf.S: New file.
16360 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16361 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16362 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16364 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16366 * config/sh/predicates.md (binary_float_operator,
16367 binary_logical_operator, commutative_float_operator,
16368 equality_comparison_operator, greater_comparison_operator,
16369 less_comparison_operator, logical_operator,
16370 noncommutative_float_operator, shift_operator,
16371 symbol_ref_operand, unary_float_operator): Remove redundant
16374 2006-01-09 Jeff Law <law@redhat.com>
16376 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16377 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16378 now unused arguments. Callers updated.
16379 (eliminate_redundant_computations): Remove now unused arguments,
16381 (local_fold): Remove, no longer used.
16382 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16384 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16385 (simplify_cond): New function.
16386 (forward_propagate_into_cond): Call simplify_cond.
16388 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16390 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16391 (*vec_extractv2di_1_sse): New.
16393 2006-01-09 Ben Elliston <bje@au.ibm.com>
16395 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16397 2006-01-08 Richard Guenther <rguenther@suse.de>
16399 * tree-ssa-structalias.c (get_constraint_for): Remove
16400 anyoffset argument.
16401 (get_constraint_for_component_ref): Likewise.
16402 (do_deref): Likewise.
16403 (get_constraint_for): Likewise.
16404 (do_structure_copy): Likewise.
16405 (handle_ptr_arith): Likewise.
16406 (find_func_aliases): Likewise. Remove unused need_anyoffset
16409 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16410 Kaz Kojima <kkojima@gcc.gnu.org>
16412 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16413 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16414 (EXTRA_CONSTRAINT_C16): Remove.
16415 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16416 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16417 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16418 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16419 constants of SHmedia. Handle nested constant expressions of
16421 (andcosts): Fix the costs for SHmedia constants.
16422 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16423 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16424 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16425 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16426 (movv4hi_i, movv2si_i): Likewise.
16427 (movsi_const): Adjust the second operand of ior so to match with
16428 the Csu constraint.
16429 (movdi_const, movdi_const_32bit): Likewise.
16430 (movdi_const_16bit+1): Don't sign-extend LOW.
16431 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16433 (*double_shori): Fix the split condition. Use GEN_INT instead
16434 of get_int_mode calls. Mask lower 16-bit of the argument of
16436 (sym2GOTPLT): Remove.
16437 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16439 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16440 instead of EXTRA_CONSTRAINT_C16.
16442 2006-01-07 Ian Lance Taylor <ian@airs.com>
16443 David Edelsohn <edelsohn@gnu.org>
16445 PR rtl-optimization/25662
16446 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16447 for constant operands instead of simplify_gen_binary.
16448 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16449 after trying simplify_binary_operation
16451 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16453 * tree.c (iterative_hash_expr): Hash decls based on UID.
16455 2006-01-06 Eric Christopher <echristo@apple.com>
16457 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16458 (TARGET_UNWIND_EMIT): Fix spelling.
16459 * target.h (gcc_target): Add except_table_label.
16460 * except.c (output_function_exception_table): Use.
16461 * varasm.c (default_emit_except_table_label): New.
16462 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16464 (asm_out): Add here.
16465 * output.h (default_emit_except_table_label): Prototype.
16466 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16467 * config/darwin.c (darwin_emit_except_table_label): Define.
16468 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16470 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16472 PR tree-optimization/18527
16473 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16474 number_of_iterations_special, number_of_iterations_exit):
16475 Move base and step of an iv to a single structure. Add
16476 no_overflow flag, and use it in # of iterations analysis.
16477 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16478 folded_casts argument.
16479 (simple_iv): Pass base and step in a structure. Set no_overflow
16481 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16482 Evaluate expensiveness of computing # of iterations instead of
16483 the final expression.
16484 * tree-scalar-evolution.h (affine_iv): New structure.
16485 (simple_iv): Declaration changed.
16486 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16487 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16488 find_givs_in_stmt): Changed due to simple_iv change.
16490 2006-01-06 Jeff Law <law@redhat.com>
16493 * tree-cfg.c (bsi_replace): Rename final argument from
16494 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16495 change (stmt -> orig_stmt).
16496 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16497 (bsi_remove): Add new argument. Remove EH information
16499 (verify_eh_throw_table_statements): New function.
16500 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16502 * tree-optimize.c (execute_free_cfg_annotations): Verify
16503 the EH throw statement table after removing annotations.
16504 * except.h (verify_eh_throw_table_statements): Prototype.
16505 * tree-flow.h (bsi_remove): Update prototype.
16506 * tree-vrp.c (remove_range_assertions): Add new argument to
16508 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16509 * tree-complex.c (expand_complex_div_wide): Likewise.
16510 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16511 * tree-tailcall.c (eliminate_tailcall): Likewise.
16512 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16513 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16514 * tree-nrv.c (tree_nrv): Likewise.
16515 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16516 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16517 (combine_blocks): Likewise.
16518 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16519 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16520 (cleanup_control_flow): Likewise.
16521 (remove_forwarder_block): Likewise.
16522 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16523 * tree-sra.c (sra_replace): Likewise.
16524 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16525 (forward_propagate_single_use_vars): Likewise.
16526 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16527 * tree-inline.c (expand_call_inline): Likewise.
16528 * tree-vect-transform.c (vect_transform_loop): Likewise.
16529 * tree-outof-ssa.c (rewrite_trees): Likewise.
16530 * tree-cfg.c (make_goto_expr_edges): Likewise.
16531 (cleanup_dead_labels): Likewise.
16532 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16533 (bsi_move_before, bsi_move_after): Likewise.
16534 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16535 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16537 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16540 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16542 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16543 on non gimple variables. Also add checks at the top for decls and
16545 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16547 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16548 and IMAGPART_EXPR for creating MUST_DEFs.
16549 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16550 and NAME_MEMORY_TAG separately from the DECLs.
16552 2006-01-06 Richard Guenther <rguenther@suse.de>
16554 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16555 annotation, if necessary.
16556 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16557 redundant calls to update_stmt.
16558 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16561 2006-01-05 Richard Henderson <rth@redhat.com>
16563 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16565 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16567 * c-typeck.c: Update copyright date.
16569 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16571 * c-typeck.c (build_c_cast): Always warn when casting
16572 from a pointer to an integer of different size, even if
16573 the node was constant.
16575 2006-01-05 Richard Guenther <rguenther@suse.de>
16577 PR tree-optimization/22555
16578 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16579 if one structure field is an array.
16580 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16581 operands even if we found a subvar, but ignore VOPs in this
16583 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16585 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16587 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16589 PR middle-end/24998
16590 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16592 2006-01-05 Richard Guenther <rguenther@suse.de>
16593 Diego Novillo <dnovillo@redhat.com>
16595 * tree-pass.h (TODO_remove_unused_locals): Define.
16596 * gimple-low.c (expand_var_p, remove_useless_vars,
16597 pass_remove_useless_vars): Remove. Update all users.
16598 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16599 (remove_unused_locals): New function.
16600 * tree-flow.h (remove_unused_locals): Declare.
16601 * passes.c (execute_todo): Call remove_unused_locals if
16602 TODO_remove_unused_locals is set.
16603 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16604 * tree-ssa-dce.c (pass_dce): Likewise.
16605 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16607 2006-01-05 Richard Guenther <rguenther@suse.de>
16609 * tree-flow.h (struct fieldoff): Decompose field to
16610 type, size and decl.
16611 * tree-ssa-alias.c (create_sft): Take type as parameter.
16612 (create_overlap_variables_for): Store type, size and decl
16613 in the fieldoff structure.
16614 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16615 of struct fieldoff.
16616 (push_fields_onto_fieldstack): Likewise.
16617 (create_variable_info_for): Likewise. Use offset for the
16618 SFT name if the decl is not available.
16620 2006-01-04 Paul Brook <paul@codesourcery.com>
16622 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16624 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16626 * lambda-code.c (can_put_in_inner_loop): Relax
16628 (can_put_after_inner_loop): New function.
16629 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16630 (perfect_nestify): Change to make copies and modify uses.
16632 2006-01-04 Richard Henderson <rth@redhat.com>
16634 Merge from gomp branch:
16635 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16636 via integer constant.
16637 (pragma_lex): Remove.
16638 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16639 rather than parsing it.
16640 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16641 handle_pragma_extern_prefix): Add %< %> quotes.
16642 (registered_pragmas): New.
16643 (c_register_pragma_1): New.
16644 (c_register_pragma): Use it.
16645 (c_register_pragma_with_expansion): Likewise.
16646 (c_invoke_pragma_handler): New.
16647 (init_pragma): Use cpp_register_deferred_pragma directly for
16649 * c-pragma.h (enum pragma_kind): New.
16650 (pragma_handler): New.
16651 (c_invoke_pragma_handler): Declare.
16652 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16654 * c-common.h (c_common_pch_pragma): Update decl.
16655 * Makefile.in (c-parser.o): Update dependencies.
16656 (GTFILES): Add c-pragma.h.
16657 * c-parser.c (struct c_token): Add pragma_kind.
16658 (struct c_parser): Add in_pragma.
16659 (c_lex_one_token): Always initialize keyword and pragma_kind.
16660 Extract data for CPP_PRAGMA.
16661 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16662 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16663 Don't allow CPP_PRAGMA_EOL if in_pragma.
16664 (c_parser_consume_pragma): New.
16665 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16666 (c_parser_skip_to_end_of_parameter): Likewise.
16667 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16668 (c_parser_skip_to_pragma_eol): New.
16669 (c_parser_external_declaration): Handle CPP_PRAGMA.
16670 (c_parser_compound_statement_nostart): Likewise.
16671 (c_parser_statement_after_labels): Likewise.
16672 (c_parser_pragma): New.
16673 (pragma_lex): Likewise.
16674 (c_parser_pragma_pch_preprocess): New.
16675 (c_parser_new): Merge into ...
16676 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16678 2006-01-04 Jeff Law <law@redhat.com>
16681 * tree-cfg.c (bsi_replace): Remove the original statement
16682 from the EH throw statement table.
16684 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16686 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16687 make the prototype extern "C" and add throw ().
16690 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16691 and pos non-negative and pos + len <= 32.
16692 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16693 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16694 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16697 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16698 as well as sizes not multiple of component size.
16701 * function.c (instantiate_expr): New function.
16702 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16703 walk its DECL_VALUE_EXPR with instantiate_expr.
16705 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16706 DW_OP_deref{,_size} if address isn't going to be added.
16708 2006-01-04 Ben Elliston <bje@au.ibm.com>
16710 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16711 * config/fp-bit.c: Likewise.
16713 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16715 * dominance.c: Add comment about why we use DFS numbering
16718 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16719 Richard Henderson <rth@redhat.com>
16721 Merge from gomp-branch:
16722 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16723 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16725 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16727 PR rtl-optimization/25578
16728 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16729 pass a parameter to simplify_shift_const if changing ASHIFTRT
16732 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16734 * builtins.c (get_builtin_sync_mem): New function.
16735 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16736 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16737 Call get_builtin_sync_mem to generate mem rtx.
16739 2006-01-03 Richard Guenther <rguenther@suse.de>
16742 * stmt.c (add_case_node): Make sure to clear overflow flags
16745 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16747 Merge from gomp-branch.
16748 * config/sparc/sync.md: New file.
16749 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16750 UNSPECV_LDSTUB): New constants.
16751 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16752 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16753 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16756 2006-01-03 Roger Sayle <roger@eyesopen.com>
16758 * combine.c (reg_subword_p): New predicate to test whether the
16759 destination of a set refers to a subword/piece of a register.
16760 (try_combine): Generalize the code to merge the setting of a
16761 pseudo to a constant followed by a set of a subword of that
16762 register to a constant.
16764 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16766 * basic-block.h (control_flow_graph): Change the type of
16767 x_label_to_block_map to VEC(basic_block,gc) *.
16768 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16769 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16771 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16772 VEC(basic_block,heap) *.
16773 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16774 ssa_prop_fini): Adjust the uses of cfg_blocks.
16776 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16778 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16780 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16781 hashing trees instead of a pointer hash.
16782 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16783 compare for MEM_EXPR.
16785 PR rtl-optimization/25130
16786 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16787 when comparing MEMs for GCSE
16789 2006-01-03 Ben Elliston <bje@au.ibm.com>
16791 * targhooks.h (default_decimal_float_supported_p): Declare.
16792 * targhooks.c (default_decimal_float_supported_p): Define.
16793 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16794 `default_decimal_float_supported_p'.
16795 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16797 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16799 * combine.c (apply_distributive_law <SUBREG>): Check
16800 TRULY_NOOP_TRUNCATION.
16802 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16804 * dwarf2out.c (have_switched_text_section): Delete.
16805 (have_multiple_function_sections): New.
16806 (have_location_lists): Make 'bool'.
16807 (add_AT_loc_list): Use 'true' not '1'.
16808 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16809 (output_loc_list): Use have_multiple_function_sections.
16810 (output_ranges): Likewise.
16811 (dwarf2out_begin_function): Set have_multiple_function_sections if
16813 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16814 Check function_section rather than DECL_SECTION_NAME.
16815 (dwarf2out_finish): Use have_multiple_function_sections.
16816 Don't clear have_location_lists.
16818 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16819 Jan Hubicka <jh@suse.cz>
16821 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16822 case of conditional jump jumping to the next instruction.
16823 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16824 cases of conditional jump jumping to the next instruction.
16826 2006-01-02 Jan Hubicka <jh@suse.cz>
16828 * i386.c (*_cost): Add COSTS_N_INSNS.
16829 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16831 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16834 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16836 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16838 * config/arm/arm.c (all_fpus): Fix comment typo.
16839 * config/darwin.c: Likewise.
16840 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16841 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16842 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16844 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16846 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16847 (rs6000_split_compare_and_swapqhi): New.
16848 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16849 (sync_compare_and_swapqhi_internal): New.
16850 * config/rs6000/rs6000-protos.h: Declare.