1 2006-10-29 Roger Sayle <roger@eyesopen.com>
3 PR tree-optimization/15458
4 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
7 2006-10-29 Richard Guenther <rguenther@suse.de>
9 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
10 (ix86_expand_truncdf_32): Likewise.
11 * config/i386/i386.c (ix86_expand_trunc): New function expanding
12 trunc inline for SSE math and -fno-trapping-math and if not
14 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
15 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
16 for expanding btrunc inline for SSE math.
18 2006-10-29 Joseph Myers <joseph@codesourcery.com>
20 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
21 Handle tuning for bi-arch i[34567]86-*-linux* like that for
22 i[34567]86-*-solaris2.1[0-9]*.
23 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
24 Define conditionally depending on TARGET_64BIT_DEFAULT.
25 (SPEC_32, SPEC_64): Define.
26 (LINK_SPEC): Use them.
27 * doc/install.texi (--enable-targets=all): Document for x86-linux.
29 2006-10-29 Richard Guenther <rguenther@suse.de>
31 * config/i386/i386-protos.h (ix86_expand_round): Declare.
32 (ix86_expand_rounddf_32): Likewise.
33 * config/i386/i386.c (ix86_expand_round): New function expanding
34 round inline for SSE math and -fno-trapping-math and if not
36 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
37 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
38 round via ix86_expand_round.
40 2006-10-29 Richard Guenther <rguenther@suse.de>
42 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
43 (ix86_expand_floorceildf_32): Likewise.
44 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
45 static helper function.
46 (ix86_expand_floorceil): Expander for floor and ceil to SSE
48 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
49 * config/i386/i386.md (floordf2): Adjust to enable floor
50 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
51 -fno-trapping-math is enabled and if not optimizing for size.
52 (floorsf2, ceildf2, ceilsf2): Likewise.
53 * config/i386/sse.md (sse_maskcmpsf3): New insn.
54 (sse2_maskcmpdf3): Likewise.
56 2006-10-29 Richard Guenther <rguenther@suse.de>
58 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
59 rint in case -fno-trapping-math is enabled.
60 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
61 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
62 (ix86_expand_sse_fabs): Likewise.
63 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
64 * config/i386/i386.md (rintdf2): Enable for SSE math if
65 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
68 2006-10-29 Richard Guenther <rguenther@suse.de>
70 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
72 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
74 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
75 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
76 (lfloor_optab, lceil_optab): Adjust defines.
77 * builtins.c (expand_builtin_int_roundingfn): Adjust for
78 lfloor and lceil optabs now being conversion optabs.
79 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
80 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
81 New static helper function.
82 (ix86_expand_lfloorceil): New function to expand lfloor and
84 * config/i386/i386.md (lfloor<mode>2): Split into ...
85 (lfloorxf<mode>2): ... x87 variant
86 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
87 using ix86_expand_lfloorceil.
88 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
90 * doc/md.texi (lfloorMN, lceilMN): Document.
92 2006-10-29 Richard Sandiford <richard@codesourcery.com>
94 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
95 -mno-shared assembler option on mips targets.
96 * configure, config.in: Regenerate.
97 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
98 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
99 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
101 2006-10-29 Richard Sandiford <richard@codesourcery.com>
103 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
104 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
106 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
108 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
109 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
112 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
115 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
116 (fold_builtin_pow): Evaluate constant arguments at compile-time
118 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
119 (do_mpfr_ckconv): New helper function.
120 (do_mpfr_arg1): Use do_mpfr_ckconv.
123 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
126 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
127 (-fdump-rtl-sched): Rename to ..
128 (-fdump-rtl-sched1): here. Also fix file extension number.
130 2006-10-28 Richard Guenther <rguenther@suse.de>
132 * fold-const.c (maybe_canonicalize_comparison): Fix code
135 2006-10-28 Uros Bizjak <uros@kss-loka.si>
137 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
138 (NON_QI_REG_P): Use IN_RANGE.
139 (REX_INT_REGNO_P): Use IN_RANGE.
140 (FP_REGNO_P): Use IN_RANGE.
141 (SSE_REGNO_P): Use IN_RANGE.
142 (REX_SSE_REGNO_P): Use IN_RANGE.
143 (MMX_REGNO_P): Use IN_RANGE.
144 (STACK_REGNO_P): New macro.
145 (STACK_REG_P): Use STACK_REGNO_P.
146 (NON_STACK_REG_P): Use STACK_REGNO_P.
147 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
148 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
149 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
150 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
151 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
153 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
155 * except.h (output_function_exception_table): Add 'const char*' param.
156 * except.c (switch_to_exception_section): Add 'const char*' param.
157 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
158 and flag_function_sections is set, use a function-specific section.
159 (output_function_exception_table): Add 'const char*' param.
160 Adjust call to switch_to_exception_section.
161 * final.c (rest_of_handle_final): Adjust calls to
162 output_function_exception_table.
163 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
164 * config.in: Regenerate.
165 * configure: Likewise.
167 2006-10-28 Richard Guenther <rguenther@suse.de>
170 * fold-const.c (maybe_canonicalize_comparison_1): Helper
171 for maybe_canonicalize_comparison.
172 (maybe_canonicalize_comparison): New function for canonicalizing
174 (fold_comparison): Call it to canonicalize comparisons with
177 2006-10-28 Richard Guenther <rguenther@suse.de>
180 * builtins.c (expand_builtin_int_roundingfn_2): Expand
181 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
182 (expand_builtin): Adjust likewise.
183 * genopinit.c (optabs[]): Add lround optab.
184 * optabs.c (init_optabs): Initialize lround_optab.
185 * optabs.h (enum convert_optab_index): Add COI_lround.
186 (lround_optab): Define.
187 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
188 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
190 (ix86_expand_lround): New function.
191 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
193 * doc/md.texi (lroundMN2): Document.
195 2006-10-28 Uros Bizjak <uros@kss-loka.si>
198 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
199 argument to HOST_WIDE_INT. Update function prototype.
200 (round_frame_size): Change return type to HOST_WIDE_INT. Change
201 "size" argument to HOST_WIDE_INT. Update function prototype.
203 2006-10-28 Uros Bizjak <uros@kss-loka.si>
205 * config/i386/i386.c (output_387_ffreep): Create output from a
206 template string for !HAVE_AS_IX86_FFREEP.
208 2006-10-27 Eric Christopher <echristo@apple.com>
210 * config/darwin.c: Fix formatting and grammar.
212 2006-10-27 Jan Hubicka <jh@suse.cz>
214 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
215 to be thrown away soon when IGNORE is set.
216 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
217 indicating when return value shall not be computed.
218 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
220 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
222 * config/i386/i386.h (TARGET_GEODE):
223 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
224 (TARGET_CPU_DEFAULT_geode): New macro.
225 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
226 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
227 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
228 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
229 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
231 (TARGET_CPU_DEFAULT_NAMES): Add geode.
232 (processor_type): Add PROCESSOR_GEODE.
234 * config/i386/i386.md: Include geode.md.
237 * config/i386/i386.c (geode_cost): New initialized global
239 (m_GEODE, m_K6_GEODE): New macros.
240 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
241 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
242 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
243 x86_schedule): Use m_K6_GEODE instead of m_K6.
244 (x86_movx, x86_cmove): Set up m_GEODE.
245 (x86_integer_DFmode_moves): Clear m_GEODE.
246 (processor_target_table): Add entry for geode.
247 (processor_alias_table): Ditto.
249 * config/i386/geode.md: New file.
251 * doc/invoke.texi: Add entry about geode processor.
253 2006-10-27 Mike Stump <mrs@apple.com>
255 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
256 __DYNAMIC__ from here back to ...
257 * config/darwin.h (CPP_SPEC): ... here.
259 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
260 Nathan Sidwell <nathan@codesourcery.com>
262 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
263 when choosing the minimum heapsize.
265 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
267 * gcc/unwind-dw2.h: Move cfa-related variables into
268 struct frame_state_reg_info to ensure that the CFA is properly
269 handled when executing DW_CFA_{remember,restore}_state.
270 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
271 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
272 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
273 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
274 gcc/config/rs6000/linux-unwind.h,
275 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
276 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
277 Modify to use new cfa_* fields.
279 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
281 * config/s390/s390.c (s390_init_frame_layout): Check positive
284 2006-10-26 Ben Elliston <bje@au.ibm.com>
286 * gimplify.c (get_name): Remove extraneous break.
287 (gimplify_omp_for): Initialise ret with GS_OK.
289 2006-10-25 Steve Ellcey <sje@cup.hp.com>
291 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
292 Add unix98.o to link line.
294 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
297 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
298 Calculate compile-time constants using MPFR.
299 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
300 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
302 2006-10-25 Bob Wilson <bob.wilson@acm.org>
304 * config/xtensa/lib2funcs.S: Use C-style comments.
306 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
308 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
309 (file_table_relative_p): Likewise.
310 (dwarf2out_finish): Likewise.
311 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
313 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
315 * tree-ssa-structalias.c (intra_create_variable_infos):
316 Don't recreate nonlocal_all if it already exists.
318 2006-10-25 Richard Guenther <rguenther@suse.de>
321 * optabs.h (enum optab_index): Remove OTI_lrint.
322 (enum convert_optab_index): Add COI_lrint.
323 (lrint_optab): Adjust.
324 (expand_sfix_optab): Declare.
325 * optabs.c (expand_sfix_optab): New function.
326 (init_optabs): Init lrint_optab as conversion optab.
327 * genopinit.c (lrint_optab): Change to a conversion optab.
328 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
329 expansion via conversion optab.
330 * config/i386/i386.md (*fistdi2_1): Remove
331 flag_unsafe_math_optimizations guard.
332 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
333 fist<mode>2_with_temp): Likewise.
334 (lrint<mode>2): Split into...
335 (lrintxf<mode>2): ... x87 part
336 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
337 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
338 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
339 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
340 * doc/md.texi (lrintMN2): Document.
342 2006-10-25 Uros Bizjak <uros@kss-loka.si>
345 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
346 Use inc and dec instructions for TARGET_USE_INCDEC.
347 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
348 ("sync_double_compare_and_swap<mode>"): Likewise.
349 ("*sync_double_compare_and_swapdi_pic"): Likewise.
350 ("*sync_compare_and_swap_cc<mode>"): Likewise.
351 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
352 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
353 ("sync_old_add<mode>"): Likewise.
354 ("sync_lock_test_and_set<mode>"): Likewise.
355 ("sync_lock_test_and_set<mode>"): Likewise.
356 ("sync_add<mode>"): Likewise.
357 ("sync_sub<mode>"): Likewise.
358 ("sync_ior<mode>"): Likewise.
359 ("sync_and<mode>"): Likewise.
360 ("sync_xor<mode>"): Likewise.
362 2006-10-25 Uros Bizjak <uros@kss-loka.si>
364 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
365 (remainder_optab): Define corresponding macro.
366 (drem_optab): Remove.
367 * optabs.c (init_optabs): Initialize remainder_optab. Remove
368 drem_optab initialization.
369 * genopinit.c (optabs): Implement remainder_optab using
370 remainder?f3 patterns. Remove drem_optab.
371 * builtins.c (expand_builtin_mathfn_2): Handle
372 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
373 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
374 expand_builtin_mathfn_2.
376 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
377 depend on flag_unsafe_math_optimizations.
379 * config/i386/i386.md ("remaindersf3", "remainderdf3")
380 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
381 Do not depend on flag_unsafe_math_optimizations. Use
382 truncxf?f expander instead of truncxf?f_i387_noop.
384 ("fpremxf4", "fprem1xf4"): Do not depend on
385 flag_unsafe_math_optimizations.
386 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
387 flag_unsafe_math_optimizations. Use truncxf?f expander
388 instead of truncxf?f_i387_noop.
390 * doc/md.texi (fmod, remainder): Document standard named pattern.
392 2006-10-24 Richard Sandiford <richard@codesourcery.com>
393 David Daney <ddaney@avtrex.com>
396 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
398 2006-10-25 Ben Elliston <bje@au.ibm.com>
400 * doc/extend.texi (Variable Attributes): Typo fix.
402 2006-10-24 Uros Bizjak <uros@kss-loka.si>
404 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
405 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
406 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
407 (FRAME_POINTER_REGNUM): Update register number to 21.
408 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
409 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
411 * config/i386/i386.c (regclass_map): Add fpcr entry.
412 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
414 (print_reg): Assert REGNO (x) != FPCR_REG.
416 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
417 (DIRFLAG_REG): Renumber.
418 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
419 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
420 (sse_prologue_save, *sse_prologue_save_insn): Renumber
421 hardcoded SSE register numbers.
423 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
424 hardcoded MMX register numbers.
426 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
429 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
430 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
432 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
433 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
434 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
435 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
437 2006-10-24 Richard Guenther <rguenther@suse.de>
440 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
441 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
442 for deciding optimizations in consistency with fold-const.c
443 (fold_builtin_unordered_cmp): Likewise.
445 2006-10-24 Richard Guenther <rguenther@suse.de>
447 * builtins.c (fold_builtin_floor): Fold floor (x) where
448 x is nonnegative to trunc (x).
449 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
450 nonnegative to FIX_TRUNC_EXPR.
452 2006-10-24 Richard Guenther <rguenther@suse.de>
454 PR tree-optimization/29567
455 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
456 for TRUTH_NOT_EXPR. Clarify comments.
458 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
461 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
462 at compile-time using MPFR. Change parameter VALUE to FUNC,
464 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
465 for overflow and underflow at all times and avoid folding in
468 2006-10-24 Ben Elliston <bje@au.ibm.com>
470 * reload1.c: Formatting fixes.
472 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
474 PR tree-optimization/14784
475 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
476 * tree-ssa-structalias.c (get_constraint_for,
477 intra_create_variable_infos): Set is_heapvar.
478 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
479 non-heapvar pointer variables specially.
481 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
484 * builtins.c (fold_builtin_sin, fold_builtin_cos,
485 fold_builtin_tan): Fold all constant arguments. Take a "type"
486 argument as necessary.
488 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
490 2006-10-23 Bob Wilson <bob.wilson@acm.org>
492 * config/xtensa/lib1funcs.asm: Use C-style comments.
494 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
496 * tree.c (local_define_builtin): Replace calls to
497 lang_hooks.builtin_function with add_builtin_function.
498 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
500 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
502 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
503 common code to add_builtin_function.
504 * langhooks.c (add_builtin_function): New function.
505 (lhd_builtin_function): New function.
506 * langhooks.h (struct lang_hooks): Change the signature of
508 (add_builtin_function): New function.
509 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
510 calls to lang_hooks.builtin_function with add_builtin_function.
511 * c-common.c (decl_builtin_1): Replace calls to
512 lang_hooks.builtin_function with add_builtin_function.
513 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
514 lang_hooks.builtin_function with add_builtin_function.
515 * config/frv/frv.c (def_builtin): Replace calls to
516 lang_hooks.builtin_function with add_builtin_function.
517 * config/s390/s390.c (s390_init_builtins): Replace calls to
518 lang_hooks.builtin_function with add_builtin_function.
519 * config/sparc/sparc.c (def_builtin): Replace calls to
520 lang_hooks.builtin_function with add_builtin_function.
521 * config/i386/i386.c (def_builtin): Replace calls to
522 lang_hooks.builtin_function with add_builtin_function.
523 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
524 lang_hooks.builtin_function with add_builtin_function.
525 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
526 lang_hooks.builtin_function with add_builtin_function.
527 * config/stormy16/stormy16.c (xstormy16_init_builtins):
528 Replace calls to lang_hooks.builtin_function with
529 add_builtin_function.
530 * config/iq2000/iq2000.c (def_builtin):
531 Replace calls to lang_hooks.builtin_function with
532 add_builtin_function.
533 * config/ia64/ia64.c (def_builtin): Replace calls to
534 lang_hooks.builtin_function with add_builtin_function.
535 * config/rs6000/rs6000.c (def_builtin): Replace calls to
536 lang_hooks.builtin_function with add_builtin_function.
537 (altivec_init_builtins): Replace calls to
538 lang_hooks.builtin_function with add_builtin_function.
539 * config/arm/arm.c (def_mbuiltin): Replace calls to
540 lang_hooks.builtin_function with add_builtin_function.
541 (arm_init_tls_builtins): Replace calls to
542 lang_hooks.builtin_function with add_builtin_function.
543 * config/mips/mips.c (mips_init_builtins): Replace calls to
544 lang_hooks.builtin_function with add_builtin_function.
545 * config/bfin/bfin.c (def_builtin): Replace calls to
546 lang_hooks.builtin_function with add_builtin_function.
547 * langhooks-def.h (lhd_builtin_function): New function.
548 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
550 2006-10-23 Jakub Jelinek <jakub@redhat.com>
552 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
553 BUILT_IN_STRNCAT_CHK.
555 2006-10-23 Jan Hubicka <jh@suse.cz>
557 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
558 don't do conversion from memmove to memcpy here.
559 (expand_builtin_bcopy, expand_builtin): Update call of
560 expand_builtin_memmove.
561 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
563 2006-10-23 Paul Brook <paul@codesourcery.com>
565 * stor-layout.c (start_record_layout): maximum_field_alignment
566 overrides STRUCTURE_SIZE_BOUNDARY.
568 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
570 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
571 nonlocal function symbols if flag_pic.
573 2006-10-23 Richard Guenther <rguenther@suse.de>
577 * builtins.c (fold_binary): Remove checks for flag_wrapv
578 and flag_trapv where negate_expr_p covers these cases.
580 2006-10-23 Richard Guenther <rguenther@suse.de>
583 * fold-const.c (fold_plusminus_mult_expr): Check exact power
584 of two on the absolute value.
585 (fold_binary): Fold x * -C to -x * C if x is easily negatable
586 and negating -C does not overflow.
588 2006-10-23 Richard Guenther <rguenther@suse.de>
591 * convert.c (convert_to_real): Fold (float)-x to -(float)x
592 only if not flag_rounding_math.
594 2006-10-22 Richard Sandiford <richard@codesourcery.com>
595 Kaz Kojima <kkojima@gcc.gnu.org>
598 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
599 SImode memory reference for the source of a movua.
600 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
601 (movua): Use an unspec instead of sign_extract. Expect the source
602 to have mode BLKmode.
603 (extv, insv): Use a BLKmode rather than SImode memory reference
604 for the source of a movua.
606 2006-10-22 Jeff Law <law@redhat.com>
607 Richard Guenther <rguenther@suse.de>
609 PR tree-optimization/15911
610 * tree-vrp.c (extract_code_and_val_from_cond): New function.
611 (register_edge_assert_for_1): Likewise.
612 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
613 (find_conditional_asserts): Adjust for new function signature.
614 (find_assert_locations): Likewise.
616 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
618 * config/i386/tmmintrin.h: Remove the duplicated content.
620 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
622 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
623 (x86_64-*-*): Likewise.
625 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
626 (override_options): Check SSSE3.
627 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
628 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
629 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
630 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
631 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
632 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
633 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
634 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
635 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
636 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
637 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
638 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
639 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
640 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
641 IX86_BUILTIN_PABSD128.
642 (bdesc_2arg): Add SSSE3.
643 (bdesc_1arg): Likewise.
644 (ix86_init_mmx_sse_builtins): Support SSSE3.
645 (ix86_expand_builtin): Likewise.
646 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
648 * config/i386/i386.md (UNSPEC_PSHUFB): New.
649 (UNSPEC_PSIGN): Likewise.
650 (UNSPEC_PALIGNR): Likewise.
651 Include mmx.md before sse.md.
653 * config/i386/i386.opt: Add -mssse3.
655 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
656 (ssse3_phaddwv4hi3): Likewise.
657 (ssse3_phadddv4si3): Likewise.
658 (ssse3_phadddv2si3): Likewise.
659 (ssse3_phaddswv8hi3): Likewise.
660 (ssse3_phaddswv4hi3): Likewise.
661 (ssse3_phsubwv8hi3): Likewise.
662 (ssse3_phsubwv4hi3): Likewise.
663 (ssse3_phsubdv4si3): Likewise.
664 (ssse3_phsubdv2si3): Likewise.
665 (ssse3_phsubswv8hi3): Likewise.
666 (ssse3_phsubswv4hi3): Likewise.
667 (ssse3_pmaddubswv8hi3): Likewise.
668 (ssse3_pmaddubswv4hi3): Likewise.
669 (ssse3_pmulhrswv8hi3): Likewise.
670 (ssse3_pmulhrswv4hi3): Likewise.
671 (ssse3_pshufbv16qi3): Likewise.
672 (ssse3_pshufbv8qi3): Likewise.
673 (ssse3_psign<mode>3): Likewise.
674 (ssse3_psign<mode>3): Likewise.
675 (ssse3_palignrti): Likewise.
676 (ssse3_palignrdi): Likewise.
677 (abs<mode>2): Likewise.
678 (abs<mode>2): Likewise.
680 * config/i386/tmmintrin.h: New file.
682 * doc/extend.texi: Document SSSE3 built-in functions.
684 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
686 2006-10-22 Ira Rosen <irar@il.ibm.com>
688 * tree-vect-transform.c (vectorizable_load): Use the type of the
689 return value of the mask_for_load builtin to create realign_load
692 2006-10-22 Richard Sandiford <richard@codesourcery.com>
694 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
697 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
699 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
700 (UNSPEC_LDDQU): This.
701 * config/i386/sse.md (sse3_lddqu): Updated.
703 2006-10-21 Richard Guenther <rguenther@suse.de>
705 * builtins.c (expand_builtin_int_roundingfn_2): New function.
706 (expand_builtin): Use it to expand lrint instead of
707 expand_builtin_mathfn.
709 2006-10-21 Uros Bizjak <uros@kss-loka.si>
712 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
713 flag_unsafe_math_optimizations is set.
715 2006-10-21 Uros Bizjak <uros@kss-loka.si>
718 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
719 patterns to use memory input operand in x87->mem->XMM
720 reload sequences. Skip transformation for TARGET_K8.
722 2006-10-21 Uros Bizjak <uros@kss-loka.si>
724 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
725 force operand1 to register if both operands are memory operands.
726 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
727 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
728 if both operands are memory operands.
729 (truncdfsf2): Do not force operand1 to register if both operands
732 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
734 * Makefile.in (LIBS): Add $(GMPLIBS).
735 * doc/install.texi: Update GMP and MPFR requirements.
736 * doc/sourcebuild.texi (need_gmp): Delete.
738 2006-10-21 Richard Guenther <rguenther@suse.de>
740 PR tree-optimization/3511
741 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
742 got new invariant arguments during PHI translation.
744 2006-10-21 Richard Guenther <rguenther@suse.de>
747 * fold-const.c (fold_comparison): Fold signed comparisons
748 of the form X +- C1 CMP Y +- C2.
750 2006-10-21 Richard Guenther <rguenther@suse.de>
753 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
754 if flag_unsafe_math_optimizations is specified. We have
755 flag_finite_math_only for that.
756 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
757 or flag_unsafe_math_optimizations.
759 2006-10-21 Richard Guenther <rguenther@suse.de>
761 * builtins.c (fold_builtin_classify): Fix typo.
763 2006-10-21 Richard Guenther <rguenther@suse.de>
766 * simplify-rtx.c (simplify_const_relational_operation):
767 Do not constant-fold ORDERED and UNORDERED for
768 flag_unsafe_math_optimizations but only we do not need to
769 honor NaNs for the given mode.
771 2006-10-21 Richard Guenther <rguenther@suse.de>
774 * config/i386/i386.c (classify_argument): Remove redundant
775 walking of the BINFOs.
776 (contains_128bit_aligned_vector_p): Likewise.
778 2006-10-20 Mark Mitchell <mark@codesourcery.com>
780 * BASE-VER: Set to 4.3.0.
782 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
784 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
785 (tree_decl_with_vis): Remove artificial_pta_var flag.
786 * tree-flow.h (referenced_var_check_and_insert): Expose.
787 (nonlocal_all): New prototype.
788 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
789 (nonlocal_all): Make global.
790 (nonlocal_lookup): Remove.
791 (nonlocal_insert): Ditto.
792 (create_nonlocal_var): Do not call nonlocal_insert.
793 (get_nonlocal_id_for_type): Remove.
794 (find_global_initializers): Mark new vars we find for renaming.
795 (intra_create_variable_infos): Only create one nonlocal.
796 (expand_nonlocal_solutions): Remove.
797 (compute_points_to_sets): Don't call it.
798 (ipa_pta_execute): Ditto.
799 (init_alias_heapvars): Don't create nonlocal_for_type.
800 (delete_alias_heapvars): Don't remove it.
801 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
804 2006-10-19 Brooks Moses <bmoses@stanford.edu>
806 * doc/install.texi (Downloading GCC): Clarify mention of
807 Fortran in the "full distribution" description.
809 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
811 Fix PR tree-optimization/28778
812 Fix PR tree-optimization/29156
813 Fix PR tree-optimization/29415
814 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
815 (tree_decl_with_vis): Add artificial_pta_var flag.
816 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
818 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
819 (nonlocal_all): Ditto.
820 (struct variable_info): Add directly_dereferenced member.
821 (var_escaped_vars): New variable.
822 (escaped_vars_tree): Ditto.
823 (escaped_vars_id): Ditto.
824 (nonlocal_vars_id): Ditto.
825 (new_var_info): Set directly_dereferenced.
826 (graph_size): New variable
827 (build_constraint_graph): Use graph_size.
828 (solve_graph): Don't process constraints that cannot change the
829 solution, don't try to propagate an empty solution to our
831 (process_constraint): Set directly_dereferenced.
832 (could_have_pointers): New function.
833 (get_constraint_for_component_ref): Don't process STRING_CST.
834 (nonlocal_lookup): New function.
835 (nonlocal_insert): Ditto.
836 (create_nonlocal_var): Ditto.
837 (get_nonlocal_id_for_type): Ditto.
838 (get_constraint_for): Allow results vector to be empty in the case
840 Handle results of calls properly.
841 (update_alias_info): Update alias info stats on number and type of
843 (find_func_aliases): Use could_have_pointers.
844 (make_constraint_from_escaped): Renamed from
845 make_constraint_to_anything, and changed to make constraints from
847 (make_constraint_to_escaped): New function.
848 (find_global_initializers): Ditto.
849 (create_variable_info_for): Make constraint from escaped to any
850 global variable, and from any global variable to the set of
852 (intra_create_variable_infos): Deal with escaped instead of
853 pointing to anything.
854 (set_uids_in_ptset): Do type pruning on directly dereferenced
856 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
857 (init_base_vars): Fix comment, and initialize escaped_vars.
858 (need_to_solve): Removed.
859 (find_escape_constraints): New function.
860 (expand_nonlocal_solutions): Ditto.
861 (compute_points_to_sets): Call find_escape_constraints and
862 expand_nonlocal_solutions.
863 (delete_points_to_sets): Don't fall off the end of the graph.
864 (init_alias_heapvars): Initialize nonlocal_for_type and
866 (delete_alias_heapvars): Free nonlocal_for_type and null out
869 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
871 * fold-const.c (add_double): Rename to add_double_with_sign.
872 Add 'unsigned_p' parameter and take it into account for the overflow.
873 (mul_double): Rename to mul_double_with_sign.
874 Add 'unsigned_p' parameter and take it into account for the overflow.
875 (fold_div_compare): Call add_double_with_sign instead of add_double
876 and mul_double_with_sign instead of mul_double, passing them the
877 unsignedness of the type.
878 * tree.h (add_double): Macroize.
879 (add_double_with_sign): New prototype.
880 (mul_double): Macroize.
881 (mul_double_with_sign): New prototype.
883 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
885 * config/score/crti.asm: New file.
886 * config/score/crtn.asm: New file.
887 * config/score/elf.h: New file.
888 * config/score/mac.md: New file.
889 * config/score/misc.md: New file.
890 * config/score/mul-div.S: New file.
891 * config/score/predicates.md: New file.
892 * config/score/score7.md: New file.
893 * config/score/score.c: New file.
894 * config/score/score-conv.h: New file.
895 * config/score/score.h: New file.
896 * config/score/score.md: New file.
897 * config/score/score-mdaux.c: New file.
898 * config/score/score-mdaux.h: New file.
899 * config/score/score-modes.def: New file.
900 * config/score/score.opt: New file.
901 * config/score/score-protos.h: New file.
902 * config/score/score-version.h: New file.
903 * config/score/t-score-elf: New file.
904 * config.gcc: Add score*-*-* configurations(Update before).
905 * doc/invoke.texi (Score Options): New section.
906 * doc/md.texi (Score family): New section to document constraints.
908 2006-10-19 Nick Clifton <nickc@redhat.com>
910 * config/arm/arm.c: Fix spelling typo.
912 2006-10-18 Tom Tromey <tromey@redhat.com>
914 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
916 2006-10-18 Jan Hubicka <jh@suse.cz>
919 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
922 2006-10-18 Marcin Dalecki <martin@dalecki.de>
924 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
925 TSI_SAME_STMT, since that's the desired entity.
927 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
929 * config/s390/contraints.md: New file.
930 * config/s390/s390-protos.h (s390_mem_constraint,
931 s390_O_constraint_str, s390_N_constraint_str,
932 s390_float_const_zero_p): Function prototypes added.
933 * config/s390/s390.c (s390_extra_constraint_str,
934 s390_const_double_ok_for_constraint_p,
935 s390_const_ok_for_constraint_p): Functions removed.
936 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
937 s390_float_const_zero_p): New functions.
938 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
939 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
940 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
941 Macro definitions removed.
942 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
943 s390_extra_constraint_str): Functions removed.
945 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
946 Richard Sandiford <richard@codesourcery.com>
949 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
950 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
952 2006-10-16 Geoffrey Keating <geoffk@apple.com>
954 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
955 (DWARF2_FRAME_REG_OUT): Likewise.
956 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
957 (DWARF2_FRAME_REG_OUT): Likewise.
959 2006-10-17 Paul Brook <paul@codesourcery.com>
961 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
963 2006-10-16 Brooks Moses <bmoses@stanford.edu>
965 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
966 Standardize on "GNU Fortran" as the official name of the Fortran
969 2006-10-16 Mike Stump <mrs@apple.com>
971 * doc/invoke.texi (Darwin Options): Document -mkernel.
972 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
974 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
975 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
976 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
977 (OS_MISSING_ALTIVEC): Add.
978 * config/i386/i386.c (override_options): Add
979 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
980 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
981 -mkernel, -static or -mdynamic-no-pic is given.
982 (C_COMMON_OVERRIDE_OPTIONS): Add.
983 * config/darwin.opt (fapple-kext): Add.
985 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
986 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
988 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
989 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
990 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
991 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
992 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
994 (flag_apple_kext): Add.
995 (TARGET_KEXTABI): Add.
996 * config/darwin.c (darwin_handle_kext_attribute): Add.
997 (DARWIN_VTABLE_P): Add.
998 (darwin_binds_local_p): Add partial support for rebinding vtables
1000 (darwin_kextabi_p): Add.
1001 (darwin_override_options): Add.
1002 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1003 (darwin_kextabi_p): Add.
1004 (darwin_override_options): Add.
1005 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1006 __DYNAMIC__ and __STATIC__ here.
1008 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1010 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1011 Added mention of "make pdf" target, and Texinfo requirements for
1014 2006-10-16 DJ Delorie <dj@redhat.com>
1016 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1017 into the GOT in case we need a subreg of the address.
1019 2006-10-16 Richard Guenther <rguenther@suse.de>
1022 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1023 SSE builtin documentation. Document SSE2 builtins.
1025 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1027 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1028 symbol in the output file for non-shared links when -nostdlib or
1029 -nodefaultlibs isn't specified.
1031 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1032 posix thread support.
1034 2006-10-15 Jan Hubicka <jh@suse.cz>
1037 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1038 declared always_inline even when not inlining.
1040 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1041 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1042 Andrew Pinski <pinskia@gmail.com>
1045 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1047 2006-10-15 Jan Hubicka <jh@suse.cz>
1048 Richard Guenther <rguenther@suse.de>
1051 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1052 process_function_and_variable_attributes on all variables, including
1053 those discovered during cgraph construction phase.
1055 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1057 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1059 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1061 * config/i386/athlon.md (athlon_fist): Add fisttp.
1063 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1064 Ian Lance Taylor <ian@airs.com>
1067 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1068 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1071 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1073 * config/score/score.c, config/score/score.h: Fix comment
1076 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1079 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1082 2006-10-13 Eric Christopher <echristo@apple.com>
1084 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1086 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1089 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1090 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1091 alignment supported by 32-bit ELF.
1093 2006-10-13 Eric Christopher <echristo@apple.com>
1095 * config/darwin.c (darwin_emit_unwind_label): Strip
1096 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1098 2006-10-13 Richard Guenther <rguenther@suse.de>
1100 PR tree-optimization/29446
1101 * tree-vrp.c (fix_equivalence_set): Remove.
1102 (extract_range_from_assert): Do not call fix_equivalence_set.
1103 (debug_value_range): Print a newline.
1104 (compare_name_with_value): For equivalence sets with
1105 inconsistent value ranges conservatively bail out.
1106 (compare_names): Likewise.
1108 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1110 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1111 and MPFR for gfortran.
1113 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1115 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1116 alignment supported by 32-bit ELF.
1118 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1122 * c-typeck.c (digest_init): Always allow initializing vectors
1123 that have static storage duration with compound literals.
1124 * tree.c (build_type_attribute_qual_variant): New, based on
1125 build_type_attribute_variant.
1126 (build_type_attribute_variant): Rewrite using the former.
1127 (make_vector_type): Use build_type_attribute_qual_variant to build
1128 type variants. Use type_hash_canon on the others.
1130 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1131 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1133 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1135 2006-10-12 Jan Hubicka <jh@suse.cz>
1138 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1139 current_function_decl is set but current_function_scope is not.
1141 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1143 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1144 emit_insn to emit eh_return_internal instruction.
1145 (eh_return_internal): Explicitly set pc.
1147 2006-10-11 Richard Guenther <rguenther@suse.de>
1149 PR tree-optimization/28230
1150 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1151 to the correct place.
1153 2006-10-11 Richard Guenther <rguenther@suse.de>
1156 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1159 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1161 * configure.ac: Added pdf to "Make-hooks"
1162 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1163 targets and *.pdf file patterns in cleanup targets.
1164 * configure: Regenerated.
1166 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1168 * config/avr/predicates.md: New file.
1169 * config/avr/avr.md: Include it.
1170 (REG_SP): New constant.
1171 (peepholes): Use predicates.
1172 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1173 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1174 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1176 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1178 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1181 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1184 * builtins.c (var_decl_component_p): New function.
1185 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1186 single entry optimization to variables and components thereof.
1188 2006-10-10 Richard Guenther <rguenther@suse.de>
1190 PR rtl-optimization/29323
1191 * except.c (set_nothrow_function_flags): For functions
1192 that do not bind local bail out early.
1194 2006-10-10 Ben Elliston <bje@au.ibm.com>
1196 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1199 2006-10-09 Richard Henderson <rth@redhat.com>
1201 Revert emutls patch.
1203 2006-10-09 Richard Guenther <rguenther@suse.de>
1206 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1209 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1212 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1213 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1214 * configure: Regenerate.
1215 * config.in: Regenerate.
1217 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1219 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1221 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1223 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1224 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1225 Remove stray newline.
1227 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1229 * config/mips/mips.c (mips_classify_symbol): Do not return
1230 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1231 (mips_in_small_data_p): Tweak comments.
1233 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1235 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1237 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1239 * gimplify.c, sched-int.h: Fix comment typos.
1241 * sched-int.h: Fix comment typos.
1243 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1245 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1247 * sched-ebb.c (begin_schedule_ready): Use them.
1248 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1249 add_to_speculative_block, create_check_block_twin, speculate_insn,
1250 fix_jump_move, move_block_after_check): Ditto.
1251 * sched-rgn.c (new_ready): Ditto.
1253 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1255 PR rtl-optimization/29128
1256 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1257 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1258 allow interblock movement of speculation checks.
1260 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1263 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1264 casted to integer type.
1265 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1266 if they are significantly more expensive than [reg + index] ones.
1268 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1270 PR tree-optimization/29330
1271 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1272 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1273 on newly allocated ddrs.
1274 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1275 to VEC (loop_p, heap) pointer.
1276 (compute_data_dependences_for_loop): Adjust caller.
1277 (free_dependence_relations): Free DDR_LOOP_NEST.
1279 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1280 free DEPENDENCE_RELATIONS and DATAREFS.
1283 * builtins.c (expand_builtin_sync_operation,
1284 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1285 Use convert_to_mode to handle promoted arguments.
1287 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1289 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1291 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1293 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1295 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1297 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1298 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1299 Use <modeconstraint> instead of "r" as operand 1 constraint.
1301 2006-10-06 Olivier Hainque <hainque@adacore.com>
1303 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1304 Don't recurse on the pointed-to type.
1305 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1306 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1307 types with components of variable size.
1309 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1311 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1313 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1315 PR tree-optimization/29290
1316 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1320 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1321 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1324 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1325 the number of vector elements fill the rest with zeros.
1327 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1329 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1330 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1333 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1335 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1336 unnamed pattern into subsi3. Use correct constraints/predicates.
1337 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1338 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1340 2006-10-05 Ira Rosen <irar@il.ibm.com>
1342 * doc/loop.texi: Add data references analysis description.
1344 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1346 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1348 2006-10-04 Richard Henderson <rth@redhat.com>
1349 Jakub Jelinek <jakub@redhat.com>
1351 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1352 * builtin-types.def (BT_WORD): Make unsigned.
1353 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1354 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1355 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1356 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1357 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1358 * cgraph.c (decide_is_variable_needed): Look at force_output.
1359 Recurse for emulated tls.
1360 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1361 checks redundant with decide_is_variable_needed.
1362 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1363 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1365 * expr.c (emutls_var_address): New.
1366 (expand_expr_real_1): Expand emulated tls.
1367 (expand_expr_addr_expr_1): Likewise.
1368 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1369 * output.h (emutls_finish): Declare.
1370 * toplev.c (compile_file): Call it.
1371 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1372 address before wrapping in CONST.
1373 * varasm.c (emutls_htab, emutls_object_type): New.
1374 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1375 (get_emutls_object_name, get_emutls_object_type): New.
1376 (get_emutls_init_templ_addr, emutls_decl): New.
1377 (emutls_common_1, emutls_finish): New.
1378 (assemble_variable): When emulating tls, swap decls; generate
1379 constructor for the emutls objects.
1380 (do_assemble_alias): When emulating tls, swap decl and target name.
1381 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1383 * emutls.c: New file.
1384 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1385 tls_object for real tls.
1387 2006-10-04 Zack Weinberg <zackw@panix.com>
1389 Fix bug in constraint-check generator, reported by Rask Ingemann
1391 * genpreds.c (add_constraint): Don't remove anything from the
1393 (write_tm_constrs_h): Detect whether "op" argument is used, and
1394 mark it ARG_UNUSED if it isn't.
1395 (write_insn_const_int_ok_for_constraint): Skip the part of the
1396 expression that would test whether "op" (which is not available
1397 here) is a CONST_INT.
1399 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1402 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1404 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1406 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1407 current Leopard versions.
1408 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1410 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1412 * doc/install.texi: Fix typos.
1414 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1416 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1417 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1418 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1420 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1422 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1423 arg to be struct mach_header_64* instead.
1425 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1428 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1429 side effects after the outer expression's post side effects.
1431 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1433 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1434 comments to reflect actual behavior and relationship between
1435 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1437 * doc/c-tree.texi (Working with declarations): Fix documentation
1438 of FIELD_DECL likewise.
1440 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1443 * doc/extend.texi: Add used variable attribute description.
1445 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1448 * c.opt (Woverride-init): New.
1449 * c-opts.c (c_common_post_options): Default warn_override_init to
1451 * c-typeck.c (add_pending_init, output_init_element): Warn for
1452 overriding initializers without side effects.
1453 * doc/invoke.texi (-Woverride-init): Document.
1456 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1458 PR rtl-optimization/28096
1459 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1460 assignment has already been used as a destination earlier in the block.
1462 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1464 * builtins.c (expand_builtin_setjmp): Delete.
1465 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1466 <BUILT_IN_SETJMP_SETUP>: New case.
1467 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1468 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1469 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1470 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1471 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1472 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1473 (lower_function_body): Initialize it to false. If it is set to true
1474 at the end of the processing, emit the setjmp dispatcher.
1475 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1476 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1477 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1478 on the rhs of the assignment.
1479 (lower_builtin_setjmp): New function.
1480 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1481 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1482 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1483 to detect calls that can go to non-local labels. Use specific
1484 helper to create the abnormal edges associated with them.
1485 <MODIFY_EXPR>: Likewise.
1486 (make_abnormal_goto_edges): New function extracted from...
1487 (make_goto_expr_edges): ...here. Call it for computed gotos.
1488 (simple_goto_p): Minor tweak.
1489 (tree_can_make_abnormal_goto): New predicate.
1490 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1491 (tree_purge_dead_abnormal_call_edges): New function.
1492 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1493 (tree_purge_dead_abnormal_call_edges): Likewise.
1494 (make_abnormal_goto_edges): Likewise.
1495 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1496 Purge all dead abnormal edges if the call was in the last statement.
1497 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1498 (execute_fixup_cfg): If there are non-local labels in the function,
1499 scan the basic blocks and split them at calls that can go to non-local
1500 labels or add missing abnormal call edges. Write down the CFG in the
1502 (pass_fixup_cfg): Remove TODO_dump_func flag.
1503 * unwind-sjlj.c: Poison setjmp.
1504 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1505 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1506 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1507 (DONT_USE_BUILTIN_SETJMP): Document it.
1509 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1512 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1513 to 1 when __ppc64__ is defined.
1514 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1516 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1518 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1520 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1521 * config/ia64/unwind-hpux.c: Delete.
1523 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1525 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1526 on the element before gimplifying it, instead of punting if it is of
1529 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1531 * doc/loop.texi: New file.
1532 * doc/gccint.texi: Reference loop.texi.
1533 * Makefile.in (loop.texi): Add.
1535 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1537 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1539 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1540 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1542 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1544 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1546 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1548 * doc/install.texi: Document required versions of GMP and MPFR.
1550 2006-09-27 Paul Brook <paul@codesourcery.com>
1553 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1555 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1557 * reload1.c (alter_reg): Require the alignment of the stack slot to
1558 be at least reg_max_ref_width bytes.
1559 (scan_paradoxical_subregs): Record the largest width in
1562 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1566 * tree-nested.c (struct nesting_info): Added static_chain_added.
1567 (convert_call_expr): Set static_chain_added when adding static
1568 chain. Handle OMP_PARALLEL and OMP_SECTION.
1570 2006-09-25 Matthias Klose <doko@debian.org>
1572 * doc/invoke.texi: Add missing full stop.
1574 2006-09-25 Richard Henderson <rth@redhat.com>
1576 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1577 before cgraph_function_flags_ready.
1579 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1580 Adam Nemet <anemet@caviumnetworks.com>
1582 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1583 determine_common_wider_type): New functions.
1584 (get_computation_aff): Use them to simplify arithmetic between
1585 UBASE and CBASE if they are shortened from the same type.
1587 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1590 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1591 -2147483647 - 1 instead of 0x80000000.
1593 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1595 * flags.h (HONOR_NANS): Fix typo in comment.
1597 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1599 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1601 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1605 * tree.c (merge_attributes, attribute_list_contained): If both
1606 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1608 * c-typeck.c (comptypes_internal): Don't consider aggregates
1609 in different TUs as compatible if there one set of attributes is
1610 not a subset of the other type's attributes.
1611 (composite_type): Try harder not to create a new aggregate type.
1613 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1615 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1616 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1617 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1618 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1619 than replicating condition above.
1620 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1622 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1623 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1624 the linker by default.
1626 2006-09-22 Mike Stump <mrs@apple.com>
1628 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1631 2006-09-22 Richard Guenther <rguenther@suse.de>
1634 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1635 sort of stack variables stable.
1637 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1640 * explow.c (force_reg): Set REG_POINTER flag according to
1643 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1645 PR tree-optimization/28888
1646 * tree-if-conv.c (combine_blocks): Rewritten.
1647 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1648 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1650 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1652 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1655 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1657 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1659 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1661 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1663 2006-09-21 Roger Sayle <roger@eyesopen.com>
1666 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1667 dw_fde_current_label, to be the start of the function, i.e. the same
1668 value as dw_fde_begin.
1670 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1672 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1673 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1674 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1675 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1676 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1677 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1678 (abs<mode>2, neg<mode>2): Likewise.
1679 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1680 (*mips_abs_ps): New define_insn.
1682 2006-09-20 Josh Conner <jconner@apple.com>
1685 * calls.c (expand_call): Allow reuse of structure return stack
1688 2006-09-20 Paul Brook <paul@codesourcery.com>
1690 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1693 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1695 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1696 clean up terminology.
1698 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1701 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1702 with tablejumps in them.
1704 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1707 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1708 wrap it into TARGET_EXPR.
1710 2006-09-20 Eric Christopher <echristo@apple.com>
1712 * config/i386/i386.c (x86_fisttp): Remove.
1713 * config/i386/i386.h (x86_fisttp): Ditto.
1714 (TARGET_FISTTP): Ditto.
1716 2006-09-19 Eric Christopher <echristo@apple.com>
1718 * doc/tm.texi (OBJC_JBLEN): Describe.
1719 * config/i386/darwin.h (OBJC_JBLEN): Define.
1720 * config/rs6000/darwin.h: Ditto.
1722 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1724 PR rtl-optimization/21299
1725 * reload1.c (reload): Purge invalid ASMs in the final pass.
1727 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1730 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1731 pointers as legitimate constants.
1733 2006-09-19 Paul Brook <paul@codesourcery.com>
1736 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1738 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1740 PR tree-optimization/28887
1741 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1742 component parts from the reference.
1743 (gather_memory_references_ref): Record the reference without the
1744 nonaddressable component parts.
1746 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1749 * c-opts.c (c_common_handle_option): Ignore the -std options
1750 if the input language is assembly.
1752 2006-09-17 Ira Rosen <irar@il.ibm.com>
1755 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1757 (ptr_ptr_may_alias_p): Likewise.
1758 (record_record_differ_p): New function.
1759 (base_object_differ_p): Call record_record_differ_p.
1761 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1764 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1765 away for the expr argument.
1767 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1770 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1771 before using it for dumping after vectorizing loops.
1773 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1774 Jack Howarth <howarth@bromo.med.uc.edu>
1777 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1778 skip on error_mark_node.
1779 (rs6000_darwin64_record_arg_recurse): Likewise.
1781 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1783 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1784 * doc/rtl.texi: Remove related documentation.
1786 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1788 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1791 2006-09-15 Jim Wilson <wilson@specifix.com>
1793 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1794 Handle symbol offsets same as they are handled in ia64_expand_move
1797 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1799 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1800 Add forgotten parameter to the fprintf call.
1802 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1804 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1806 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1808 * doc/contrib.texi: Add my entry.
1810 2006-09-15 Nick Clifton <nickc@redhat.com>
1812 * doc/md.texi (Processor pipeline description): Fix typo in
1813 example of how to use the absence_set directive and reword the
1814 description to make it slightly easier to read.
1816 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1818 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1819 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1820 expanding the number of iterations.
1821 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1823 * cfgrtl.c (emit_insn_at_entry): New function.
1824 * rtl.h (emit_insn_at_entry): Declare it.
1825 * integrate.c (emit_initial_value_sets): Use it.
1827 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1829 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1831 (struct loop_work and related VEC declarations): Delete.
1832 (bfin_dump_loops): Print out new member bad.
1833 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1834 (bfin_scan_loop): Don't recurse.
1835 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1836 loops. No longer need to update outer loops if the current one is
1837 found bad. Move some validitiy checks to bfin_discover_loop.
1838 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1839 but changed not to check for nesting. Also changed to use the new bad
1841 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1842 time. Use bitmap based test to discover loop nesting.
1844 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1846 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1849 2006-09-14 Richard Guenther <rguenther@suse.de>
1850 Kazu Hirata <kazu@codesourcery.com>
1852 PR middle-end/28884.
1853 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1854 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1855 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1856 with TARGET_FUNCTION_VALUE.
1858 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1861 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1863 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1865 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1868 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1871 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1874 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1876 * basic_block.h (bb_has_eh_pred): Fix comment.
1878 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1880 * flow.c (calculate_global_regs_live): Invalidate eh registers
1881 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1882 (propagate_block): Handle eh registers as if they were set at basic
1884 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1886 * global.c (global_conflicts): Make eh registers to conflict with
1887 pseudos live at basic block begin.
1888 * basic_block.h (bb_has_eh_pred): New function.
1890 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1892 PR rtl-optimization/28982
1893 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1894 index of a PRE_MODIFY or POST_MODIFY address.
1895 * reload1.c (inc_for_reload): Use find_replacement on the original
1896 base and index registers.
1898 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1900 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1901 for -Os. Update __m128 alignment requirement.
1903 2006-09-13 Jan Hubicka <jh@suse.cz>
1905 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1907 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1909 PR rtl-optimization/28243
1910 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1911 the insn to which the note was originally attached.
1913 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1914 Roger Sayle <roger@eyesopen.com>
1916 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1917 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1918 on platforms that don't use dwarf for debug info.
1920 2006-09-12 Jason Merrill <jason@redhat.com>
1923 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1924 hard_frame_pointer_rtx after using it to update the frame pointer.
1926 2006-09-12 Roger Sayle <roger@eyesopen.com>
1928 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1929 (TARGET_ASM_CLOSE_PAREN): Likewise.
1930 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1931 (TARGET_ASM_CLOSE_PAREN): Likewise.
1933 2006-09-12 Roger Sayle <roger@eyesopen.com>
1936 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1937 frame information for frames larger than 512 Kbytes on Tru64 when
1938 using the native assembler.
1940 2006-09-12 Roger Sayle <roger@eyesopen.com>
1944 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1945 and symbols. Instead use the implementation from cse.c's hash_rtx.
1947 2006-09-12 Jan Hubicka <jh@suse.cz>
1949 PR rtl-optimization/28071
1950 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1951 (vect_transform_loop): Likewise.
1952 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1953 (new_loop_vec_info): Likewise.
1954 (destroy_loop_vec_info): Likewise.
1955 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1956 (create_stmt_ann): Likewise.
1957 (create_tree_ann): Rename to ...
1958 (create_tree_common_ann): ... this one; allocate only the common part
1960 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1961 (get_value_handle): Likewise.
1962 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1963 get_tree_common_ann.
1964 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1965 (vinfo_for_stmt): Use stmt annotations.
1966 * tree-flow.h (tree_ann_common_t): New type.
1967 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1968 (tree_ann, get_tree_ann, create_tree_ann): New.
1969 * tree-flow-inline.h (get_function_ann): Do more type checking.
1970 (stmt_ann): Likewise.
1971 (tree_ann): Rename to ...
1972 (tree_common_ann): ... this one; return ony common_ann
1973 (get_tree_ann): Rename to ...
1974 (tree_common_ann): This one; return only common_ann.
1975 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1978 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1980 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1981 with_cpu by default.
1983 * dwarf2out.c (dwarf_file_data): New.
1984 (enum dw_val_class): Add dw_val_class_file.
1985 (struct dw_val_struct): Add val_file.
1986 (file_table): Change to a hash table.
1987 (file_table_emitted): Delete.
1988 (file_table_last_lookup_index): Delete.
1989 (emitcount): Delete.
1990 (last_emitted_file): New.
1991 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1992 (init_file_table): Delete.
1993 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1994 (AT_addr): Add comment.
1998 (print_die): Handle dw_val_class_file.
1999 (print_dwarf_line_table): Update for new file table structure.
2000 (attr_checksum): Do checksum a filename.
2001 (same_dw_val_p, same_attr_p): Do compare a filename.
2002 (size_of_die): Handle dw_val_class_file.
2003 (value_format): Likewise.
2004 (output_die): Likewise. Also, call maybe_emit_file here.
2005 (struct file_info): Constify filenames. Make file_idx a pointer
2006 to a struct dwarf_file_data.
2007 (struct dir_info): Constify directory names. Remove 'used' field.
2008 (struct file_name_acquire_data): New.
2009 (file_name_acquire): New.
2010 (output_file_names): Modify to handle new file data structures.
2011 (add_src_coords_attributes): Use add_AT_file.
2012 (add_call_src_coords_attributes): Likewise.
2013 (dwarf2out_imported_module_or_decl): Likewise.
2014 (gen_subprogram_die): Modify for new file data structures.
2015 (gen_variable_die): Likewise.
2016 (file_table_eq): New.
2017 (file_table_hash): New.
2018 (file_table_last_lookup): New.
2019 (lookup_filename): Rewrite to handle new file data structures.
2020 (maybe_emit_file): Rewrite to handle new file data structures.
2021 (dwarf2out_source_line): Always call lookup_filename and
2023 (dwarf2out_init): Create file_table here.
2024 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2025 (file_table_relative_p): New.
2026 (dwarf2out_finish): Change detection of relative filenames
2027 to work with new file data structures. Move output_line_info call
2028 after debug_info output.
2030 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2035 * config/i386/i386.c (override_options): Always default to 16
2036 byte stack boundary.
2038 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2041 * var-tracking.c (dump_dataflow_set): Start dumping at
2043 (clobber_variable_part): Kill only the variable part in
2044 registers holding it, leaving other variables alone.
2046 2006-09-11 Josh Triplett <josh@freedesktop.org>
2048 * doc/extend.texi (Other Builtins): Actually use the macro
2049 argument in the documentation example for
2050 __builtin_types_compatible_p.
2052 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2054 PR rtl-optimization/28726
2055 * sched-deps.c (sched_analyze_reg): New function extracted from...
2056 (sched_analyze_1): ...here. Call it to analyze references to
2057 registers. Treat again writes to a stack register as writing to the
2059 (sched_analyze_2): ...and here. Call it to analyze references to
2060 registers. Treat again reads of a stack register as reading the
2063 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2064 David Edelsohn <edelsohn@gnu.org>
2067 * config/rs6000/spe.md (frob_df_di): Remove %H.
2068 (frob_di_df): Remove %H. Change evmergelo to mr.
2069 (frob_di_df_2): Remove %H. Change evldd to two loads.
2071 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2073 * doc/cpp.texi: Fix names of charset options.
2075 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2078 * config/i386/i386.c (override_options): Use 128-bit
2079 stack boundary always for 64bits.
2081 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2083 PR rtl-optimization/28636
2084 * combine.c (force_to_mode): Test for side-effects before
2085 substituting by zero.
2086 (simplify_shift_const): Likewise for zero or other constants.
2088 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2091 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2094 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2097 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2098 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2099 returned by mode_for_size, rather than the mode of src itself,
2100 to choose between 32-bit and 64-bit patterns.
2101 (mips_mem_fits_mode_p): New function.
2102 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2103 that the size of the source matches the size of the destination.
2104 (mov_<store>l, mov_<store>r): Likewise.
2106 2006-09-10 Eric Christopher <echristo@apple.com>
2108 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2111 2006-09-09 Eric Christopher <echristo@apple.com>
2114 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2117 2006-09-09 Roger Sayle <roger@eyesopen.com>
2118 Nicolas Setton <setton@adacore.com>
2120 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2122 2006-09-10 Andreas Schwab <schwab@suse.de>
2124 * config/m68k/m68k.md (bungt_rev): New pattern.
2126 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2127 Dale Johannesen <dalej@apple.com>
2130 * regclass.c (struct reg_pref): Update documentation.
2131 (regclass): Set prefclass to NO_REGS if memory is the best option.
2132 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2134 2006-09-08 Eric Christopher <echristo@apple.com>
2136 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2137 * config/t-slibgcc-darwin: Support x86_64 multilib.
2138 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2139 Return 1 for x86_64-darwin.
2140 * config/i386/t-darwin: Add m64 multilib.
2141 (LIB2_SIDITI_CONV_FUNCS): Use.
2142 (LIB2FUNCS_EXTRA): Ditto.
2143 * config/i386/darwin.h: Support x86_64.
2144 * config/i386/i386.c (override_options): Turn on flag_pic
2145 for x86_64-darwin. Disable flag_omit_pointer.
2146 (get_pc_thunk_name): Assert !TARGET_64BIT.
2147 (legitimate_address_p): Disable machopic addressing for
2149 (legitimize_pic_address): Ditto.
2150 (ix86_expand_move): Ditto.
2151 (ix86_expand_call): Ditto.
2152 (machopic_output_stub): Ditto.
2153 * config/darwin.c (machopic_select_section): Support literal16.
2154 (machopic_select_rtx_section): Ditto.
2155 * config/darwin-sections.def: Ditto.
2156 * config/darwin-64.c: New.
2158 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2161 * c-tree.h (struct c_arg_info): Add pending_sizes.
2162 * c-parser.c (c_parser_parms_declarator,
2163 c_parser_parms_list_declarator): Initialize pending_sizes.
2164 * c-decl.c (get_parm_info): Initialize pending_sizes.
2165 (get_parm_info): Set pending_sizes.
2166 (grokdeclarator): Call put_pending_sizes for parameters for
2167 function definition only.
2169 2006-09-07 Jason Merrill <jason@redhat.com>
2172 * varasm.c (output_constant): Only strip actual no-op conversions.
2175 * config/i386/i386.c (override_options): Use 128-bit
2176 stack boundary if -msse.
2178 2006-09-07 Eric Christopher <echristo@apple.com>
2180 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2182 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2185 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2187 * dwarf2out.c: Remove strange characters from comment above
2188 dwarf2out_frame_debug_expr.
2190 2006-09-07 Eric Christopher <echristo@apple.com>
2192 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2193 * config/darwin.h: ... to here.
2195 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2197 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2199 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2200 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2202 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2203 TARGET_PARTIAL_FLAG_REG_STALL.
2204 (*ashldi3_cconly_rex64): Likewise.
2205 (*ashlsi3_cmp): Likewise.
2206 (*ashlsi3_cconly): Likewise.
2207 (*ashlsi3_cmp_zext): Likewise.
2208 (*ashlhi3_cmp): Likewise.
2209 (*ashlhi3_cconly): Likewise.
2210 (*ashlqi3_cmp): Likewise.
2211 (*ashlqi3_cconly): Likewise.
2212 (*ashrdi3_cmp_rex64): Likewise.
2213 (*ashrdi3_cconly_rex64): Likewise.
2214 (*ashrsi3_cmp): Likewise.
2215 (*ashrsi3_cconly): Likewise.
2216 (*ashrsi3_cmp_zext): Likewise.
2217 (*ashrhi3_cmp): Likewise.
2218 (*ashrhi3_cconly): Likewise.
2219 (*ashrqi3_cmp): Likewise.
2220 (*ashrqi3_cconly): Likewise.
2221 (*lshrdi3_cmp_rex64): Likewise.
2222 (*lshrdi3_cconly_rex64): Likewise.
2223 (*lshrsi3_cmp): Likewise.
2224 (*lshrsi3_cconly): Likewise.
2225 (*lshrsi3_cmp_zext): Likewise.
2226 (*lshrhi3_cmp): Likewise.
2227 (*lshrhi3_cconly): Likewise.
2228 (*lshrqi2_cmp): Likewise.
2229 (*lshrqi2_cconly): Likewise.
2231 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2234 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2235 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2236 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2237 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2238 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2239 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2240 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2241 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2242 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2243 implement only CC setting effects of shift instructions.
2245 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2247 * doc/contrib.texi: Add myself.
2249 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2252 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2253 was set by the user.
2255 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2258 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2259 (divsi_inv_m1): Use them.
2260 (UNSPEC_DIV_INV_TABLE): New constant.
2262 2006-09-06 James E Wilson <wilson@specifix.com>
2265 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2266 then call count_or_remove_death_notes.
2268 2006-09-06 Jason Merrill <jason@redhat.com>
2271 * tree-inline.c (copy_result_decl_to_var): New fn.
2272 (declare_return_variable): Use it. Call declare_inline_vars here.
2273 (expand_call_inline): Not here.
2275 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2277 * doc/contrib.texi: Update my entry.
2279 2006-09-06 Nick Clifton <nickc@redhat.com>
2281 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2283 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2286 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2287 (canonicalize_induction_variables): Likewise.
2288 (tree_unroll_loops_completely): Likewise.
2289 (tree_ssa_prefetch_arrays): Likewise.
2290 (remove_empty_loops): Likewise.
2291 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2292 TODO_cleanup_cfg instead of directly calling
2293 cleanup_tree_cfg_loop.
2294 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2296 (tree_unroll_loops_completely): Likewise.
2297 (remove_empty_loops): Likewise.
2298 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2299 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2300 of tree_ssa_unswitch_loops.
2301 (tree_ssa_loop_ivcanon): Use the return value of
2302 canonicalize_induction_variables.
2303 (tree_ssa_empty_loop): Use the return value of
2305 (tree_complete_unroll): Use the return value of
2306 tree_unroll_loops_completely.
2307 (tree_ssa_loop_prefetch): Use the return value of
2308 tree_ssa_prefetch_arrays.
2309 * passes.c (execute_todo): Before Cleanup CFG, set
2310 updating_used_alone and after cleanup CFG, call
2311 recalculate_used_alone.
2313 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2316 * tree-vect-transform.c (vectorizable_condition): Move the check
2317 for the type after the check for simple condition.
2319 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2320 Kaz Kojima <kkojima@gcc.gnu.org>
2323 * mode-switching.c (optimize_mode_switching): Make the destination
2324 block of an abnormal edge have no anticipatable mode. Don't
2325 insert mode switching code at the end of the source block of
2328 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2330 PR rtl-optimization/26847
2331 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2332 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2333 (simplify_plus_minus): Count n_constants while filling ops. Replace
2334 qsort with insertion sort. Before going through the array to simplify
2335 pairs, sort it. Delay early exit until after the first sort, exiting
2336 only if no swaps occurred. Simplify pairs in reversed order, without
2337 special-casing the first iteration. Pack ops after simplifying pairs.
2339 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2341 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2342 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2343 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2344 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2346 2006-09-05 Richard Guenther <rguenther@suse.de>
2348 PR tree-optimization/28900
2349 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2350 compound conditional before creating COND_EXPR condition.
2352 2006-09-05 Richard Guenther <rguenther@suse.de>
2354 PR tree-optimization/28905
2355 * tree-vrp.c (fix_equivalence_set): Manually implement
2356 !value_ranges_intersect_p to also handle symbolic ranges.
2358 2006-09-05 Richard Guenther <rguenther@suse.de>
2361 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2364 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2366 PR rtl-optimization/27616
2367 * cse.c (table_size): New static variable.
2368 (new_basic_block): Initialize it to 0.
2369 (remove_from_table): Decrement it.
2370 (insert): Increment it.
2371 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2372 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2373 fold_rtx_mem_1 if under the cap.
2374 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2375 the lookup of the equivalent expression and test for equality of the
2376 first operand of the equivalent expression before in turn looking up
2377 an equivalent constant for the second operand.
2379 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2382 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2383 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2384 pointer, instead of assuming it is possible to derive the
2385 correct args size from a call insn.
2387 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2390 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2391 (fold_builtin_mempcpy): Rename to...
2392 (fold_builtin_memory_op): ... this. Optimize one element copy
2394 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2396 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2397 (expand_builtin_memcpy, expand_builtin_mempcpy,
2398 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2399 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2400 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2401 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2403 2006-09-01 DJ Delorie <dj@redhat.com>
2405 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2406 (stzx_16): Likewise.
2407 ("stzx_24_<mode>"): Likewise.
2408 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2409 ("cmp<mode>_op"): New.
2410 (cmp<mode>): Change to expander; just save operands.
2412 (b<code>): Change to expander, emit compare here.
2413 (s<code>_op): Change to use split and expander.
2414 (s<code>_24_op): Likewise.
2415 (s<code>_<mode>): New.
2416 (s<code>_<mode>_24): New.
2417 (movqicc_<code>_<mode): New.
2418 (movhicc_<code>_<mode>): New.
2421 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2422 (m32c_pend_compare): New.
2423 (m32c_unpend_compare): New.
2424 (m32c_expand_scc): New.
2425 (m32c_expand_movcc): Emit the compare also.
2426 * config/m32c/predicates.md (mra_nopp_operand): New.
2428 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2429 Richard Guenther <rguenther@suse.de>
2430 Adam Nemet <anemet@caviumnetworks.com>
2433 * builtins.c (get_pointer_alignment): Handle more forms
2434 of base addresses that can be used to derive more precise
2435 information about alignment.
2437 2006-09-01 Jason Merrill <jason@redhat.com>
2440 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2443 * gimplify.c (voidify_wrapper_expr): Handle null type.
2445 2006-09-01 Josh Conner <jconner@apple.com>
2448 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2449 (execute_return_slot_opt): Use it.
2451 2006-08-31 Josh Conner <jconner@apple.com>
2454 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2455 returning aggregates.
2457 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2459 PR tree-optimization/28839
2460 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2461 blocks in that phi arguments appear.
2463 2006-08-31 Roger Sayle <roger@eyesopen.com>
2466 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2467 NULL, otherwise use an advance_loc4 to adjust relative to the
2469 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2470 (dwarf2out_switch_text_section): Reset the current label to avoid
2471 using advance_loc4 over section boundaries.
2473 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2476 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2477 r12 + SYMBOLIC_CONST.
2479 2006-08-30 Richard Guenther <rguenther@suse.de>
2481 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2483 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2485 PR rtl-optimization/27735
2486 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2487 Add new argument to keep track of whether an irreducible region
2488 was affected. All callers changed.
2489 (fix_irreducible_loops): Removed.
2490 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2491 flags were invalidated.
2493 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2495 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2496 instead of SF operands.
2497 (*fop_df_comm_sse): Likewise.
2498 (*fop_df_comm_i387): Likewise.
2499 (*fop_df_1_mixed): Likewise.
2500 (*fop_df_1_sse): Likewise.
2502 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2503 J"orn Rennecke <joern.rennecke@st.com>
2505 PR tree-optimization/17506
2506 * tree-ssa.c (warn_uninit): If warning about a location outside of
2507 the current function, note where the variable was declared.
2509 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2511 PR tree-optimization/28411
2512 * double-int.c (double_int_div): Use double_int_divmod.
2513 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2514 double_int_mod, double_int_smod, double_int_umod): New functions.
2515 * double-int.h (double_int_divmod, double_int_sdivmod,
2516 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2518 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2520 (get_computation_aff, get_computation_cost_at): Handle double_int
2521 return type of constant_multiple_of.
2523 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2526 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2527 an implicit conversion.
2529 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2531 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2533 2006-08-27 Roger Sayle <roger@eyesopen.com>
2535 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2538 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2540 * config/i386/crtfastmath.c: Fix a comment typo.
2542 2006-08-26 Roger Sayle <roger@eyesopen.com>
2544 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2545 temporary visit flags on CASE_LABEL_EXPRs.
2546 * c-common.c (match_case_to_enum): Add function comment. Avoid
2547 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2548 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2549 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2550 a constant, only warn if that constant value isn't handled.
2552 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2555 * input.h (restore_input_file_stack): Declare.
2556 (INPUT_FILE_STACK_BITS): Define.
2557 * toplev.c (fs_p, input_file_stack_history,
2558 input_file_stack_restored, restore_input_file_stack): New.
2559 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2560 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2561 (pop_srcloc): Don't free old state of stack.
2563 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2566 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2567 (PowerPC Type Attributes): New.
2569 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2571 * config/xtensa/xtensa.c (function_arg_boundary): New.
2572 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2574 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2575 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2577 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2580 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2583 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2585 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2586 (verify_local_live_at_start): Likewise.
2588 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2591 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2592 omp_add_variable): Treat sizes as variable whenever not
2595 2006-08-26 Richard Guenther <rguenther@suse.de>
2598 * fold-const.c (fold_binary): Fold temporary to correct
2599 type before constructing new comparison.
2601 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2604 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2605 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2607 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2610 * c-decl.c (start_function): Don't try to process prototype
2611 information from old declaration that isn't a function.
2613 2006-08-25 Jan Hubicka <jh@suse.cz>
2616 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2618 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2621 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2624 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2626 PR tree-optimization/16876
2627 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2628 exit if PARM doesn't match VALUE.
2630 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2632 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2633 literal_prefix directive.
2634 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2635 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2636 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2638 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2641 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2642 predicate to general_operand. Add 0->y and I->r alternatives.
2644 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2646 * doc/tm.texi: Fix a typo.
2647 * predict.c: Fix comment typos.
2649 2006-08-25 Nick Clifton <nickc@redhat.com>
2651 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2652 assertions of "cpu" and "machine".
2654 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2657 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2658 the access through a base which has an alias set of 0 cannot
2661 2006-08-24 Bill Wendling <wendling@apple.com>
2663 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2665 2006-08-24 Jan Hubicka <jh@suse.cz>
2667 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2669 2006-08-24 Jan Hubicka <jh@suse.cz>
2672 * cgraph.c: Fix comments.
2673 (cgraph_varpool_mark_needed_node): Mark only variables not already
2675 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2676 (cgraph_varpool_assembled_nodes_queue): New static variable.
2677 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2678 (cgraph_varpool_output_debug_info): New function.
2679 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2680 * Makefile.in: Add gt-cgraphunit.h
2682 2006-08-24 Jan Hubicka <jh@suse.cz>
2684 * predict.c (probability_reliable_p): New predicate.
2685 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2686 (predict_loops): Do not predict loop exit with less than 2%
2688 * basic-block.h (edge_probability_reliable_p,
2689 br_prob_note_reliable_p): Declare.
2690 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2691 prediction when static predictor is not reliable.
2692 * rs6000.c (output_cbranch): Likewise.
2694 2006-08-23 Stuart Hastings <stuart@apple.com>
2697 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2698 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2700 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2703 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2704 complex values, nor for generic vector values.
2706 2006-08-22 Richard Guenther <rguenther@suse.de>
2709 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2710 parameter. Convert arguments to arithmetic expression to the
2712 (analyze_scalar_evolution_1): Adjust caller.
2714 2006-08-22 Jan Hubicka <jh@suse.cz>
2716 Patch by Paolo Bonzini
2717 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2720 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2722 PR tree-optimization/28003
2723 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2724 before grouping aliases.
2726 2006-08-22 Roger Sayle <roger@eyesopen.com>
2728 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2729 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2731 2006-08-21 Jason Merrill <jason@redhat.com>
2734 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2735 wrapper. Loop to handle nested wrappers.
2736 (gimplify_bind_expr): Remove temp parameter.
2737 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2738 and STATEMENT_LIST on the rhs.
2739 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2740 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2741 (gimplify_target_expr): Remove special BIND_EXPR handling.
2743 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2745 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2748 2006-08-21 Olivier Hainque <hainque@adacore.com>
2750 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2751 Arrange for the temporary captures of components overlapping the lhs
2752 to happen before the lhs is possibly cleared.
2754 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2756 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2757 necessary places to pass the correct "number of registers" values
2760 2006-08-20 Jan Hubicka <jh@suse.cz>
2762 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2763 (create_name_tags): Instead of quadratic checking use hashtable.
2764 * bitmap.h: Include hashtab.h.
2765 (bitmap_hash): Declare.
2766 * bitmap.c (bitmap_hash): New function.
2768 2006-08-20 Jan Hubicka <jh@suse.cz>
2770 PR rtl-optimization/28071
2771 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2773 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2774 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2775 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2776 cgraph_decide_inlining_incrementally): Update use of
2777 cgraph_check_inline_limits.
2778 * cgraph.c (edge_hash, edge_eq): New function.
2779 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2780 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2781 cgraph_remove_node): Maintain call site hash.
2782 * cgraph.h (struct cgraph_node): Add call_site_hash.
2783 (cgraph_set_call_stmt): New function.
2785 2006-08-20 Jan Hubicka <jh@suse.cz>
2787 PR rtl-optimization/28071
2788 * reload1.c (reg_has_output_reload): Turn into regset.
2789 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2790 choose_reload_regs, emit_reload_insns): Update to new
2791 reg_has_output_reload.
2793 2006-08-20 Jan Hubicka <jh@suse.cz>
2796 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2797 function body sizes.
2798 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2800 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2803 * tree.c (handle_dll_attribute): Return early if not a
2804 var or function decl.
2806 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2809 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2810 alignment of SPE vector types.
2812 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2814 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2816 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2819 * cgraph.h (struct cgraph_node): Remove externally_visible
2821 * cgraphunit.c (process_function_and_variable_attributes): Set
2822 local.externally_visible rather than externally_visible.
2825 * c-common.c (handle_externally_visible_attribute): First look
2826 at TREE_CODE and only if it is function or var decl, check for
2827 non-public objects. Don't warn for DECL_EXTERNAL.
2828 * cgraphunit.c (process_function_and_variable_attributes): Warn
2829 if externally_visible attribute is used on non-public object.
2831 2006-08-17 Jan Hubicka <jh@suse.cz>
2833 PR tree-optimization/27865
2834 * reload1.c (forget_marked_reloads): New function.
2835 (forget_old_reloads_1): When data are passed, just mark the registers
2837 (reload_as_needed): Use the new mechanizm.
2839 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2842 * reload.h (reg_equiv_alt_mem_list): New declaration.
2843 * reload1.c (reg_equiv_alt_mem_list): New definition.
2844 (reload): Initialize it and release it.
2845 (delete_output_reload): Use it.
2846 * reload.c (push_reg_equiv_alt_mem): New function.
2847 (find_reloads_toplev): Call it.
2848 (find_reloads_address, find_reloads_address_1): Likewise.
2849 (find_reloads_subreg_address): Likewise.
2851 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2853 PR rtl-optimization/28489
2854 * sched-ebb.c (begin_schedule_ready): Create basic block
2856 (advance_target_bb): Skip empty blocks.
2857 * haifa-sched.c (bb_note): Make global.
2858 * sched-int.h (bb_note): Add prototype.
2860 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2862 PR tree-optimization/27865
2863 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2865 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2866 fold_used_pointer, pointer_used_p): New functions.
2867 (analyze_scalar_evolution_1): Use fold_used_pointer.
2868 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2869 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2872 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2875 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2876 or the INTEGER_CST. Fail on a CALL_EXPR.
2877 (fold_offsetof): Pass new argument to fold_offsetof_1.
2878 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2879 operand into an INDIRECT_REF.
2880 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2882 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2884 PR gcov/profile/26570
2885 * value-prof.c (static_values): Removed.
2886 (tree_find_values_to_profile): Do not set static_values.
2887 (find_values_to_profile): Do not free static_values.
2888 * profile.c (instrument_values): Do not free the values.
2889 (branch_prob): Free the values.
2891 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2893 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2895 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2898 * c-typeck.c (build_component_ref): Combine qualifiers of
2899 structure or union and field.
2901 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2903 PR rtl-optimization/28071
2904 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2905 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2906 * tree-into-ssa.c (struct dom_dfsnum): New.
2907 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2909 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2910 compute_global_livein.
2911 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2912 in phi nodes in the correct blocks.
2914 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2916 PR tree-optimization/28364
2917 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2919 (fold_affine_expr): New function.
2920 (may_eliminate_iv): Use fold_affine_expr.
2922 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2925 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2928 2006-08-16 Mike Stump <mrs@apple.com>
2930 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2931 * doc/cppopts.texi (-MD): Likewise.
2933 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2936 * c-common.c (handle_weak_attribute): Ignore and warn if
2937 not a FUNCTION_ or VAR_DECL.
2939 2006-07-15 Mike Stump <mrs@apple.com>
2942 * c-parser.c (c_parser_typeof_specifier): Don't use
2943 c_finish_expr_stmt, open code desired semantics instead.
2945 2006-08-15 Nick Clifton <nickc@redhat.com>
2947 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2948 fragment to tmake_file only if threads are enabled.
2949 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2950 * config/i386/t-gthr-win32: New file. ... here.
2952 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2955 * c-parser.c (c_parser_compound_statement_nostart): Reset
2956 parser->error after each statement.
2958 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2961 * omp-low.c (lower_omp_parallel): Convert t to
2962 receiver_decl's type.
2963 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2964 source before comparison.
2967 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2968 to itype in assignment to oldival2.
2970 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2974 * c-typeck.c (build_compound_expr): If the second expression
2975 is an error mark, then just return an error mark instead of
2976 creating a COMPOUND_EXPR.
2978 2006-07-14 Mike Stump <mrs@apple.com>
2980 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2982 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2984 * c-decl.c, var-tracking.c: Fix comment typos.
2986 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2988 PR rtl-optimization/28634
2989 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2990 for floating-point modes unless flag_unsafe_math_optimizations.
2992 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2993 Andrew Pinski <pinskia@physics.uc.edu>
2996 * tree.c (build_array_type): Unify array types with
2997 unspecified index_type.
2998 * c-decl.c (grokdeclarator): Make sure we do not modify a
2999 unified incomplete array type.
3000 * c-typeck.c (store_init_value): Create distinct type before
3001 filling in the index type in an initializer from a compound
3004 * c-decl.c (grokdeclarator): Remove code where we copy the
3007 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3009 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3010 into account for TODO_dump_cgraph.
3011 (TODO_update_ssa_no_phi): Likewise.
3012 (TODO_update_ssa_full_phi): Likewise.
3013 (TODO_update_ssa_only_virtuals): Likewise.
3014 (TODO_remove_unused_locals): Likewise.
3015 (TODO_set_props): Likewise.
3016 (TODO_update_stmt_usage): Likewise.
3018 2006-08-13 Dirk Mueller <dmueller@suse.de>
3020 * c-common.c (strict_aliasing_warning): Fix formatting.
3022 2006-08-13 Matthias Klose <doko@debian.org>
3024 * doc/invoke.texi: Fix spelling errors.
3026 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3028 PR rtl-optimization/23454
3029 * reorg.c (relax_delay_slots): Update comment.
3031 2006-08-11 Richard Guenther <rguenther@suse.de>
3034 * simplify-rtx.c (simplify_const_relational_operation):
3035 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3038 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3040 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3041 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3043 2006-08-10 Paul Brook <paul@codesourcery.com>
3045 * final.c (final_scan_insn): Clear current_insn_predicate before
3046 outputting inline asm.
3048 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3050 PR tree-optimization/26197
3051 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3052 get_ref_base_and_extent and overlap_subvar to add only relevant
3053 subvars as may-aliases.
3054 (add_may_alias_for_new_tag): New function, factored out of
3056 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3057 with additional argument.
3058 * tree-flow.h (new_type_alias): Takes additional argument.
3060 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3062 * gcov.c (no_data_file): New flag.
3063 (read_count_file): Set it if data file not present. Assume counts
3065 (output_lines): Don't name the data file, if there wasn't one.
3067 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3069 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3070 (rs6000_generate_compare): Tweak comments.
3071 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3073 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3075 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3076 (var_debug_decl): New function.
3077 (var_reg_set): Follow debug decl link. Add location even if
3078 reg is already known to hold some other variable.
3079 (var_mem_set): Follow debug decl link.
3080 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3081 decl link. Delete other known locations of the variable part
3083 (var_reg_delete, var_mem_delete): Delete other known locations
3084 of the variable part if requested.
3085 (same_variable_part_p): New function.
3086 (add_stores): Select MO_COPY when appropriate.
3087 (vt_initialize): Handle it.
3088 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3089 known locations for MO_SET and MO_CLOBBER.
3090 (find_variable_location_part): New function.
3091 (set_variable_part, delete_variable_part): Use it.
3092 (clobber_variable_part): New function.
3093 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3096 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3098 PR tree-optimization/26969
3099 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3100 with an empty list of PHIs.
3102 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3106 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3109 2006-08-06 Andreas Schwab <schwab@suse.de>
3111 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3112 string. Whitespace and comment fixup.
3114 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3117 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3121 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3124 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3126 2006-08-04 Jan Hubicka <jh@suse.cz>
3130 * reload.c (push_reload): Patch out the mismatching instruction;
3132 (find_reload): Bail out if the instruction was patched out.
3134 2006-08-04 Jan Hubicka <jh@suse.cz>
3136 PR tree-optimization/24888
3137 * tree-inline.c (expand_call_inline): Do not re-record variables.
3138 (declare_inline_vars): Add variable to unexpanded_var_list.
3140 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3141 Roger Sayle <roger@eyesopen.com>
3143 PR rtl-optimization/26244
3144 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3145 inner_const are negative or greater than or equal to the bitsize of
3146 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3147 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3148 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3149 CONST0_RTX (mode) when the new shift count is greater than or equal to
3150 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3153 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3155 * tree-cfg.c: Fix a comment typo.
3157 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3160 * varasm.c (output_constant): Give the front end another chance to
3161 expand constants, after stripping NOPs.
3163 2006-08-03 Jan Hubicka <jh@suse.cz>
3165 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3168 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3170 PR tree-optimization/27770
3171 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3172 declaration removed (moved to tree-flow.h).
3173 (vect_can_force_dr_alignment_p): Likewise.
3174 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3175 (moved from tree-vectorizer.h).
3176 (vect_can_force_dr_alignment_p): Likewise.
3177 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3178 from outside the vectorizer - in particular from cgraph stage.
3179 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3180 the alignment of global arrays when -fsection-anchors is enabled.
3181 * cgraphunit.c (cgraph_increase_alignment): New function.
3182 (cgraph_optimize): Call cgraph_increase_alignment.
3184 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3187 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3188 not reload a SPE symbol_ref into a lo_sum address.
3190 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3193 * dwarf2out.c (prune_unused_types_prune): Move call to
3194 prune_unused_types_update_strings to cover the parent DIE also.
3196 2006-08-02 Jan Hubicka <jh@suse.cz>
3198 PR gcov/profile/28480
3199 * tree-cfg.c (change_bb_for_stmt): New function.
3200 (tree_merge_blocks, tree_split_blocks): Use it.
3202 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3208 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3209 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3210 (cgraph_optimize): Likewise.
3212 2006-08-01 Stuart Hastings <stuart@apple.com>
3214 * rtl.h (UINTVAL) New.
3215 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3216 * testsuite/gcc.dg/20060801-1.c: New.
3218 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3221 * c-typeck.c (build_external_type): Mark used enum types.
3222 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3224 (gen_subprogram_die): Whitespace fix.
3226 2006-08-01 Jan Hubicka <jh@suse.cz>
3228 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3229 bitmap when not needed.
3230 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3233 2006-08-01 Dirk Mueller <dmueller@suse.de>
3235 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3237 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3239 * Makefile.in: Revert part of previous patch:
3240 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3243 2006-07-30 Eric Christopher <echristo@apple.com>
3246 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3247 (PowerPC Variable Attributes): New section.
3249 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3251 PR target/28126 (partial fix)
3252 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3254 2006-07-28 Jan Hubicka <jh@suse.cz>
3256 PR rtl-optimization/28071
3257 * cfgrtl.c (rtl_delete_block): Free regsets.
3258 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3260 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3262 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3263 and variables used in dependencies.
3265 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3267 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3268 %fs for -mcmodel=kernel.
3269 (stack_tls_protect_test_di): Likewise.
3271 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3273 * Makefile.in: Use mkinstalldirs.
3275 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3278 * opts-common.c (prune_options): Skip joined switches.
3280 2006-07-27 Jan Hubicka <jh@suse.cz>
3282 PR rtl-optimization/28071
3283 * cselib.c (cselib_process_insn): Don't remove useless values too
3284 often for very large hashtables.
3286 2006-07-27 Jan Hubicka <jh@suse.cz>
3288 PR rtl-optimization/28071
3289 * global.c (greg_obstack): New obstack.
3290 (allocate_bb_info): Use it.
3291 (free_bb_info): Likewise.
3292 (modify_reg_pav): Likewise.
3294 2006-07-27 Roger Sayle <roger@eyesopen.com>
3296 * builtins.c (fold_fixed_mathfn): When long and long long are the
3297 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3298 functions to their lceil*, lfloor*, lround* and lrint* forms.
3300 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3303 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3305 (rev_branch_insn): Likewise.
3307 2006-07-27 Jan Hubicka <jh@suse.cz>
3309 PR rtl-optimization/28071
3310 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3311 (reg_set_in_bb, max_reg_computed): New static variables.
3312 (regmove_optimize): Free the new array.
3313 (fixup_match_1): Update call of reg_is_remote_constant_p.
3315 2006-07-26 Jan Hubicka <jh@suse.cz>
3317 PR tree-optimization/27882
3318 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3320 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3322 (cgraph_analyze_compilation_unit): Likewise.
3323 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3324 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3325 (cgraph_early_inlinine): Make order garbage collected.
3326 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3328 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3330 * dbxout.c (output_types_sort): Add a comment.
3331 (output_used_types): Free the VEC.
3333 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3335 * function.c (reorder_fix_fragments): Delete.
3336 (reorder_blocks): Don't call it.
3337 (reorder_blocks_1): Put all subblocks under the origin block.
3339 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3341 PR rtl-optimization/27907
3342 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3345 2006-07-25 Roger Sayle <roger@eyesopen.com>
3348 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3349 bar(x) check that bar's result type can represent all the values of T.
3351 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3353 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3355 2006-07-25 Nick Clifton <nickc@redhat.com>
3357 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3358 size_lookup[] array.
3359 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3360 (ggc_pch_count_object): Likewise.
3361 (ggc_pch_alloc_object): Likewise.
3362 (ggc_pch_write_object): Likewise.
3363 (init_ggc): Do not attempt to initialize entries in the
3364 size_lookup[] array for objects whose size is greater than than
3365 the length of the array.
3367 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3369 * dbxout.c (output_used_types_helper): Push queued types
3371 (output_types_sort): New.
3372 (output_used_types): Collect used types on a VEC and sort them
3375 2006-07-24 Richard Guenther <rguenther@suse.de>
3378 * cgraph.c (cgraph_remove_node): Do not check if dumps
3380 * cgraphunit.c (cgraph_optimize): Likewise.
3382 2006-07-24 Jan Hubicka <jh@suse.cz>
3384 PR rtl-optimization/28071
3385 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3386 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3387 splitting before first stmt.
3389 2006-07-24 Jan Hubicka <jh@suse.cz>
3391 PR rtl-optimization/28071
3392 * ipa-inline.c (update_caller_keys): Remove edges that
3393 are no longer inline candidates.
3395 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3398 * dbxout.c (output_used_types_helper, output_used_types): New.
3399 (dbxout_symbol): Call output_used_types.
3401 2006-07-23 Jan Hubicka <jh@suse.cz>
3405 * cgraph.c (cgraph_varpool_nodes): Export.
3406 (decide_is_variable_needed): Ignored "used" attribute in
3407 unit-at-a-time mode.
3408 * cgraph.h (cgraph_varpool_nodes): Declare.
3409 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3410 unit-at-a-time mode.
3412 2006-07-23 Roger Sayle <roger@eyesopen.com>
3415 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3416 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3417 the __gthrw form of thr_keycreate.
3418 (__gthread_key_delete): Silence the unused argument warning.
3420 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3423 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3424 Cache the last found '\0' marker to avoid quadratic behavior.
3426 2006-07-23 Jan Hubicka <jh@suse.cz>
3428 * i386.md (subsi_3_zext): Fix output template.
3430 2006-07-21 Mike Stump <mrs@apple.com>
3432 * doc/invoke.texi (C++ Dialect Options): Note that
3433 -fvisibility-inlines-hidden doesn't affect explicitly
3434 instantiationed inline methods.
3436 2006-07-20 Roger Sayle <roger@eyesopen.com>
3438 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3439 if the target assembler is GNU binutils' gas.
3440 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3441 whether to pass GNU gas or native as command line options.
3443 2006-07-20 Jason Merrill <jason@redhat.com>
3445 * tree.c (remove_attribute): New fn.
3446 * tree.h: Declare it.
3448 2006-07-20 Paul Brook <paul@codesourcery.com>
3451 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3452 they are invalidated by this instruction.
3454 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3457 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3459 2006-07-20 Eric Christopher <echristo@apple.com>
3462 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3464 2006-07-19 Eric Christopher <echristo@apple.com>
3466 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3467 Rewrite dependencies for libgcc_s.1.dylib.
3469 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3471 * except.c (duplicate_eh_regions_1): Clear next_peer.
3473 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3475 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3476 -mlongcall does not guarantee all calls will be long.
3477 * doc/extend.texi (long_call/short_call): Document that longcall
3478 does not guarantee a long call will be used.
3479 (longcall/shortcall): Likewise.
3481 2006-07-18 Roger Sayle <roger@eyesopen.com>
3484 * expmed.c (expand_shift): Additionally check that the shift_cost
3485 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3486 before implementing a LSHIFT_EXPR as a sequence of additions.
3487 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3488 middle-end that DImode shifts need to be synthesized by expand.
3490 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3493 * tree-ssa-operands.c (access_can_touch_variable): Update
3495 Return true if ALIAS is .GLOBAL_VAR.
3497 2006-07-18 David Daney <ddaney@avtrex.com>
3499 * gcc.c (display_help): Fix typo in help text.
3501 2006-07-18 Olivier Hainque <hainque@adacore.com>
3503 * tree.h (categorize_ctor_elements): Adjust prototype and add
3504 descriptive comment, both in accordance with the interface change
3506 * varasm.c (constructor_static_from_elts_p): New function.
3507 Whether a constructor node is a valid static constant initializer
3508 if all its elements are.
3509 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3510 * output.h: Declare it.
3511 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3512 is a valid constant initializer instead of computing the number of
3513 non-constant elements. Use constructor_static_from_elts_p for this
3514 purpose. Replace the head comment with an indication that this is a
3515 helper for categorize_ctor_elements.
3516 (categorize_ctor_elements): Same interface change as for the _1
3517 helper. Former head comment from this helper moved here, adjusted to
3518 account for the interface changes.
3519 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3520 (all_zeros_p): Likewise.
3521 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3522 static versions of the constructor from the categorize_ctor_elements
3523 return value instead of the formerly computed number of non-constant
3526 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3528 * configure: Regenerate.
3529 * Makefile.in (build_libsubdir): New configure substitution
3530 (build_libobjdir): New variable.
3531 (BUILD_LIBIBERTY): Use it.
3533 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3536 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3538 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3541 * c-common.c (handle_weakref_attribute): Ignore attribute in
3542 the same conditions the alias attribute is ignored.
3544 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3546 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3547 (dbxout_begin_prologue): Increment scope_labelno.
3549 2006-07-17 Richard Henderson <rth@redhat.com>
3552 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3555 2006-07-17 Roger Sayle <roger@eyesopen.com>
3556 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3558 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3559 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3560 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3561 functions such as sbrk, write, etc.. Add function prototypes.
3562 Convert function declarations from K&R to ISO C. Cast pointers
3563 to "long" and "unsigned long" instead of "int" and "unsigned int".
3564 Convert tokens following #endif into comments.
3566 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3568 * invoke.texi: Remove mention of f77; Reformat table for
3569 inline parameter options correctly; mention that -malign-double
3570 is default on x86-64 targets.
3572 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3574 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3575 (convert_affine_scev, chrec_convert_aggressive): Use
3576 avoid_arithmetics_in_type_p. Do not check for the subtypes
3579 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3582 * optabs.c (expand_doubleword_shift): Wrap the call to
3583 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3585 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3588 * optabs.c (expand_binop): Pass next_methods rather than methods
3589 to expand_doubleword_shift.
3591 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3594 * tree.h (dump_addr): Declare.
3595 * print-tree.c (dump_addr): New function.
3596 (print_node_brief, print_node): Use it.
3597 * print-rtl.c (print_rtx): Likewise.
3598 * common.opt (-fdump-noaddr): New option.
3599 * doc/invoke.texi (-fdump-noaddr): Document.
3600 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3601 (ve_info_hash): Likewise.
3603 2006-07-13 Andrew Haley <aph@redhat.com>
3605 PR tree-optimization/19505
3606 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3607 edge leaving this block, make sure that the destination of this
3608 block has only one predecessor.
3610 2006-07-17 Richard Guenther <rguenther@suse.de>
3612 PR tree-optimization/28238
3613 * tree-inline.c (copy_bb): Check if we produced valid
3614 gimple copying and substituting a stmt. If not, gimplify
3617 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3619 * optabs.c (maybe_encapsulate_block): New function extracted from...
3620 (emit_libcall_block): ...here. Invoke it on the block of insns to
3621 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3622 (emit_no_conflict_block): Likewise.
3624 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3626 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3628 2006-07-15 Roger Sayle <roger@eyesopen.com>
3630 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3631 a new NOP_EXPR case of the switch statement.
3633 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3636 * stor-layout.c (place_field): Take the bit field with
3637 an excessive size into account in the ms-bitfiled case.
3640 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3641 the previous bit field.
3643 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3646 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3648 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3650 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3651 signal frames correctly even when the signal was installed with
3654 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3656 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3657 (dbxout_function_end): Use local label LFBB. Remove hook
3659 (dbxout_source_line): Use local label LFBB.
3660 (dbxout_block): Likewise.
3661 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3662 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3663 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3664 and DBX_OUTPUT_NFUN.
3666 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3668 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3670 2006-07-13 Jan Hubicka <jh@suse.cz>
3672 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3674 * output.h (align_variable): Declare.
3675 * varasm.c (align_variable): Export.
3676 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3677 when basic block changed.
3679 2006-07-13 Nick Clifton <nickc@redhat.com>
3681 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3682 walking the LOG_LINKS chain.
3684 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3686 * doc/invoke.texi (C++ Dialect Options): Explain difference
3687 between -fvisibility-inlines-hidden and setting hidden
3688 visibility explicitly.
3690 2006-07-12 Eric Christopher <echristo@apple.com>
3692 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3693 (stmp-lipo): Depend on libgcc.a.
3695 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3697 * tree.c: Fix a comment typo.
3699 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3701 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3703 (umulhisi3_r): Likewise.
3705 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3708 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3709 x < 19, vs wchar_t support.
3711 2006-07-12 Nick Clifton <nickc@redhat.com>
3713 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3714 instead of -isa=sh4.
3716 2006-07-12 Mike Stump <mrs@apple.com>
3718 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3720 2006-07-10 Eric Christopher <echristo@apple.com>
3722 * config/t-slibgcc-darwin: Rewrite.
3724 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3727 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3730 2006-07-08 Matthias Klose <doko@debian.org>
3732 * doc/sourcebuild.texi: Fix typo.
3734 2006-07-07 Mike Stump <mrs@apple.com>
3736 * toplev.c (process_options): Don't give -ffunction-sections may
3737 affect debugging warning for Mach-O.
3739 2006-07-07 James E Wilson <wilson@specifix.com>
3741 * config/mips/mips.md (cpu): Add sb1a.
3742 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3743 addition to sb1. Adjust comments to clarify SB-1A differences from
3745 (ir_sb1a_load): New. Modify bypasses to use it.
3746 (ir_sb1a_simple_alu): Likewise.
3747 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3748 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3749 (mips_issue_rate): Add PROCESSOR_SB1A.
3750 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3751 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3752 (TARGET_SB1): Add PROCESSOR_SB1A check.
3753 (TUNE_SB1): Likewise.
3755 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3756 * config/mips/mips.c (mips_store_data_bypass_p): New.
3757 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3758 store_data_bypass_p.
3760 2006-07-08 Paul Brook <paul@codesourcery.com>
3763 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3765 2006-07-07 Richard Guenther <rguenther@suse.de>
3768 * tree.h (build_one_cst): Declare.
3769 * tree.c (build_one_cst): New function.
3770 * tree-ssa-math-opts.c (get_constant_one): Remove.
3771 (insert_reciprocals): Use build_one_cst.
3772 * fold-const.c (fold_plusminus_mult): Likewise.
3774 2006-07-07 Roger Sayle <roger@eyesopen.com>
3776 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3777 * cfgloopanal.c (dump_graph): Likewise.
3778 * dojump.c (discard_pending_stack_adjust): Likewise.
3779 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3781 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3782 * function.c (finalize_block_changes): Likewise.
3783 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3784 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3785 * rtl.c (dump_rtx_statistics): Likewise.
3786 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3788 * varray.c (dump_varray_statistics): Likewise.
3789 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3790 decode_decimal64, encode_decimal128, decode_decimal128,
3791 decimal_real_to_decimal): Likewise.
3793 2006-07-07 Richard Guenther <rguenther@suse.de>
3795 PR tree-optimization/28187
3796 * tree-vrp.c (vrp_operand_equal_p): New function.
3797 (vrp_bitmap_equal_p): Likewise.
3798 (update_value_range): Use them to compare old and new
3801 2006-07-06 Roger Sayle <roger@eyesopen.com>
3803 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3804 a default case to switch statement to silence compiler warnings.
3806 2006-07-06 Roger Sayle <roger@eyesopen.com>
3809 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3810 the configured assembler supports the x87's ffreep mnemonic.
3811 * configure: Regenerate.
3812 * config.in: Regenerate.
3814 * config/i386/i386.c (output_387_ffreep): New function.
3815 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3816 (output_387_reg_move): Likewise.
3818 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3820 Port to hosts whose 'sort' and 'tail' implementations
3821 treat operands with leading '+' as file names, as POSIX
3822 has required since 2001. However, make sure the code still
3823 works on pre-POSIX hosts.
3824 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3825 which says you should use "tail -c +N" rather than "tail +Nc".
3826 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3828 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3830 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3833 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3836 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3837 PRE_{INC,DEC} of TFmode.
3839 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3840 Alan Modra <amodra@bigpond.net.au>
3843 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3846 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3849 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3850 Remove duplicate gtu.
3852 2006-07-05 Jason Merrill <jason@redhat.com>
3856 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3857 * c-common.c (handle_packed_attribute): So don't copy it here.
3858 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3860 2006-07-05 Mike Stump <mrs@apple.com>
3862 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3864 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3867 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3869 2006-07-05 Richard Guenther <rguenther@suse.de>
3872 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3873 TARGET_SSE2 targets if using SSE math.
3874 (*absdf2_1): Likewise.
3876 2006-07-05 Richard Guenther <rguenther@suse.de>
3878 PR tree-optimization/28162
3879 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3880 make sure to convert the operands to the correct type.
3882 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3884 PR tree-optimization/28218
3886 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3887 to calculate and free the dominator information.
3889 2006-07-04 Peter O'Gorman <peter@pogma.com>
3891 * mklibgcc.in: chmod 644 before ranlib during install.
3893 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3894 J"orn Rennecke <joern.rennecke@st.com>
3896 * configure.ac (.eh_frame data check): Use diff -b.
3898 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3901 * Makefile.in (BUILD_RTL): Add build/vec.o.
3902 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3903 (build/genextract): Delete.
3904 (build/genautomata): Likewise.
3906 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3909 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3910 128-bit IBM long doubles for ABI_V4.
3912 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3914 * tree.c (range_in_array_bounds_p): New predicate.
3915 * tree.h (range_in_array_bounds_p): Declare it.
3916 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3917 return a less conservative answer.
3918 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3919 and flag 'is_group'.
3920 (IS_ELEMENT_FOR_GROUP): New macro.
3921 (FOR_EACH_ACTUAL_CHILD): Likewise.
3922 (next_child_for_group): New helper function.
3923 (can_completely_scalarize_p): Take into account groups.
3924 (sra_hash_tree): Handle RANGE_EXPR.
3925 (sra_elt_eq): Likewise.
3926 (lookup_element): Be prepared for handling groups.
3927 (is_valid_const_index): Delete.
3928 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3929 instead of is_valid_const_index.
3930 <ARRAY_RANGE_REF>: New case.
3931 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3932 is_valid_const_index.
3933 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3934 (scan_dump): Dump info for groups too.
3935 (decide_instantiation_1): Likewise.
3936 (decide_block_copy): Assert that the element is not a group.
3937 Propagate decision to groups.
3938 (generate_one_element_ref): Handle RANGE_EXPR.
3939 (mark_no_warning): Iterate over actual childs.
3940 (generate_copy_inout): Likewise.
3941 (generate_element_copy): Likewise.
3942 (generate_element_zero): Likewise.
3943 (generate_element_init_1): Likewise.
3944 (dump_sra_elt_name): Handle RANGE_EXPR.
3946 2006-07-03 Roger Sayle <roger@eyesopen.com>
3948 PR tree-optimization/26251
3949 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3950 (thread_block): When optimizing for size refuse to thread jumps
3951 that would require duplication of blocks other than redirection
3954 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3956 * configure.ac: Fix thinko in previous check-in.
3957 * configure: Regenerate.
3959 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3962 * configure.ac (for lang...): Simplify nesting of conditionals.
3963 Test subdir_requires for non-enabled languages. Move processing
3964 of lang_opt_files and lang_tree_fiels below that test.
3965 * configure: Regenerate.
3966 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3968 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3970 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3972 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3974 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3977 2006-06-29 Jason Merrill <jason@redhat.com>
3984 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3985 * c-common.c (c_determine_visibility): Handle it here.
3986 * c-decl.c (finish_decl): Call c_determine_visibility for
3988 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3990 * varasm.c (default_assemble_visibility): Likewise.
3991 * c-common.c (handle_visibility_attribute): Complain about trying
3992 to give visibility to an already defined class, or trying to change
3993 declared visibility. Always attach the attribute.
3998 * attribs.c (decl_attributes): Ignore type-in-place attributes
3999 once the type has been defined.
4001 2006-06-29 Roger Sayle <roger@eyesopen.com>
4004 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4005 to indicate the cpplib has issued an error message for us.
4007 2006-06-29 Asher Langton <langton2@llnl.gov>
4010 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4011 insert a label at the end of an function under Mach-O.
4013 2006-06-29 Eric Christopher <echristo@apple.com>
4014 Evan Cheng <evan.cheng@apple.com>
4016 * predicates.md (vector_all_ones_operand): New.
4017 (nonimmediate_or_sse_const_operand): Ditto.
4018 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4019 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4020 (standard_sse_mode_p): Ditto.
4021 (standard_sse_constant_p): Add case for -1 vector.
4022 (ix86_expand_vector_move): Try to use.
4023 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4024 Call standard_sse_constant_opcode.
4025 (*movv4sf_internal): Ditto.
4026 (*movv2df_internal): Ditto.
4028 2006-06-29 Roger Sayle <roger@eyesopen.com>
4030 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4031 of XEXP to extract the operands of a MATCH_CODE rtx.
4033 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4035 * tree.c (tree_size): Do not waste tail padding in
4036 struct tree_string and make the size be the same as
4037 build_string will generate.
4039 2006-06-28 Jason Merrill <jason@redhat.com>
4042 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4043 may_aliases already in the tag's annotations to the bitmap.
4045 2006-06-28 Roger Sayle <roger@eyesopen.com>
4047 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4049 2006-06-28 Roger Sayle <roger@eyesopen.com>
4051 * genpreds.c (generate_switch_p): New function.
4052 (add_mode_tests): Push the new mode test down inside an AND expr
4053 if this allows the switch-suitable MATCH_CODE to be near the root.
4054 (write_match_code_switch): New function to write a MATCH_CODE as
4056 (write_predicate_stmts): New function to write a predicate RTX
4057 expression as a sequence of statements.
4058 (write_one_predicate_function): Use write_predicate_stmts.
4059 (write_tm_constrs_h): Likewise.
4061 2006-06-26 Fred Fish <fnf@specifix.com>
4063 * config/mips/t-sb1: New file.
4064 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4067 2006-06-26 DJ Delorie <dj@redhat.com>
4069 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4071 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4072 Jayant Sonar <jayants@kpitcummins.com>
4073 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4075 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4076 (subsi3, subsi3_1, subsi3_2): New.
4077 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4078 * config/m32c/mov.md (SI mov peephole): New.
4079 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4080 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4082 2006-06-26 Olivier Hainque <hainque@adacore.com>
4084 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4085 a CALL_EXPR target function declaration.
4087 2006-06-26 Richard Guenther <rguenther@suse.de>
4089 * tree.c (build_string): Do not waste tail padding in
4092 2006-06-26 Richard Guenther <rguenther@suse.de>
4094 * ggc-page.c (init_ggc): Add missing element to size_lookup
4098 2006-06-23 Richard Guenther <rguenther@suse.de>
4100 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4101 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4102 alignment requests instead. Add verification code.
4103 Add struct tree_function_decl and struct tree_binfo size to
4104 extra_order_size_table. Add missing element to size_lookup
4107 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4110 * fold-const.c (const_binop): Be prepared for self returning zero.
4111 Simplify code handling complex values.
4113 2006-06-24 Olivier Hainque <hainque@adacore.com>
4115 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4116 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4119 2006-06-24 Olivier Hainque <hainque@adacore.com>
4121 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4122 ARRAY_REF, so have the callback called for the low bound expression.
4124 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4126 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4127 * c-typeck.c (c_common_type): Disallow operations on decimal float
4128 types and other float types.
4129 * convert.c (convert_to_real): Don't ignore conversions involving
4130 decimal float types.
4132 2006-06-23 Olivier Hainque <hainque@adacore.com>
4134 * tree.c (max_int_size_in_bytes): New function, inspired from
4135 code in function.c:assign_temp.
4136 * tree.h (max_int_size_in_bytes): Declare.
4137 * function.c (assign_temp): Use it.
4138 * gimplify.c (create_tmp_var): Relax the assertions on the type
4139 properties, not mandating constant size any more.
4140 (force_constant_size): New static function.
4141 (gimple_add_tmp_var): Use it, forcing variable size to a
4142 constant upper bound if it is not constant on entry.
4144 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4147 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4148 for initialization and setting of one_only flag to ...
4149 (i386_pe_encode_section_info): ...here.
4150 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4151 Recheck that the symbol has not been defined.
4153 2006-06-23 Richard Guenther <rguenther@suse.de>
4155 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4156 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4157 alignment requests instead. Add verification code.
4158 Add struct tree_function_decl and struct tree_binfo size to
4159 extra_order_size_table. Add missing element to size_lookup
4162 2006-06-22 Roger Sayle <roger@eyesopen.com>
4163 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4166 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4167 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4169 2006-06-23 Ben Elliston <bje@au.ibm.com>
4171 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4172 negate dn -- manipulate it directly.
4174 2006-06-22 Roger Sayle <roger@eyesopen.com>
4175 Steven Bosscher <stevenb.gcc@gmail.com>
4178 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4179 generated by gen_move_insn to add REG_LABEL notes if necessary.
4181 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4183 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4184 (leaf_entry): Remove use of MIN_ESA.
4186 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4188 PR rtl-optimization/28121
4189 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4192 2006-06-21 DJ Delorie <dj@redhat.com>
4194 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4196 (mulhisi3_r): Likewise.
4198 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4201 * coverage.c (coverage_counter_alloc): Leave the index type
4203 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4206 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4208 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4209 section from the "Options for Code Generation Conventions".
4211 2006-06-21 Richard Henderson <rth@redhat.com>
4215 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4217 (global_symbolic_operand): Allow weak symbols, even if local_p.
4219 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4221 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4222 (find_interesting_uses_address): Punt if above function returns true.
4224 2006-06-21 Richard Guenther <rguenther@suse.de>
4226 * configure: Regenerated.
4228 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4230 * config/mips/mips.c (function_arg): Where one part of a
4231 complex argument is in registers and the other part in the stack,
4232 return a REG not a PARALLEL.
4234 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4236 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4237 when cross-compiling. Do not substitute libstdcxx_incdir.
4238 * configure: Regenerated.
4240 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4242 * varasm.c (mergeable_string_section): Check for embedded NULs and
4243 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4244 rather than TREE_STRING_LENGTH bytes.
4246 2006-06-21 Richard Guenther <rguenther@suse.de>
4248 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4249 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4252 2006-06-21 Richrad Guenther <rguenther@suse.de>
4254 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4255 Limit iteration over the dominators.
4257 2006-06-20 Roger Sayle <roger@eyesopen.com>
4259 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4260 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4262 2006-06-20 Richard Guenther <rguenther@suse.de>
4263 Michael Matz <matz@suse.de>
4265 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4267 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4268 * et-forest.h (et_free_pools): Prototype new function.
4269 * et-forest.c (et_free_tree_force): Free parent occurrence.
4270 (et_free_pools): New function.
4271 * dominance.c (free_dominance_info): Free et-forest alloc
4274 2006-06-20 Roger Sayle <roger@eyesopen.com>
4276 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4277 integer modes, attempt to directly construct an integer constant.
4279 * fold-const.c (native_encode_vector): Determine the size of each
4280 element from the vector type instead of the first vector element.
4282 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4283 if all of its elements/components are constant.
4284 (build_constructor_from_list): Likewise.
4286 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4288 PR tree-optimization/27331
4289 * tree-data-ref.c (free_data_ref): New function.
4290 (create_data_ref): Fail if the data reference has unknown access
4292 (free_data_refs): Use free_data_ref.
4294 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4297 * tree-inline.c (setup_one_parameter): Strip useless
4298 type conversion before adding it to the IR.
4299 (declare_return_variable): Likewise.
4301 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4304 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4306 2006-06-19 Mike Stump <mrs@apple.com>
4308 * tree.c (variably_modified_type_p): VM arguments don't make the
4311 2006-06-19 Richard Guenther <rguenther@suse.de>
4313 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4314 type conversions after folding.
4316 2006-06-19 Richard Guenther <rguenther@suse.de>
4318 * ggc-page.c (extra_order_size_tab): Add entries with
4319 size of struct function and basic_block.
4320 (size_lookup): Extend to cover sizes up to 511.
4321 (ggc_alloc_stat): Adjust user.
4322 (ggc_pch_count_object): Likewise.
4323 (ggc_pch_alloc_object): Likewise.
4324 (ggc_pch_write_object): Likewise.
4326 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4328 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4329 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4332 2006-06-19 Denis Chertykov <denisc@overta.ru>
4334 * config/avr/libgcc.S : Correct my wrong previous commit.
4336 2006-06-19 Roger Sayle <roger@eyesopen.com>
4339 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4340 have stripped a SUBREG from the shift count, so we may need to
4341 convert_to_mode back to the type's mode before calling make_tree.
4342 Use new_amount instead of amount to avoid expanding a tree twice.
4344 2006-06-19 Richard Guenther <rguenther@suse.de>
4347 * fold-const.c (operand_equal_p): Check if the argument types
4348 have the same precision before stripping NOPs.
4350 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4352 Fix PR tree-optimization/27341
4353 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4355 * tree-complex.c (pass_lower_complex): Update SMT usage.
4357 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4359 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4360 Add a new alternative to the constraint strings. Add move of
4361 operand 1 to 3 to the splitter definition.
4362 ("doloop_si_long"): Second contraint alternative removed.
4364 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4366 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4367 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4369 (AVR_HAVE_MOVW) Define.
4370 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4371 (ASM_SPEC): Add avr25.
4372 (LINK_SPEC): Add avr25.
4373 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4374 (base_arch_s): Add new member 'have_movw_lpmx'.
4375 (avr_arch_types): Init 'have_movw_lpmx'.
4376 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4377 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4378 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4379 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4380 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4382 (avr_file_start): Do not output '.arh' derective.
4383 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4384 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4385 * config/avr/avr.md (mcu_enhanced): Delete.
4386 (mcu_have_movw): Define.
4387 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4388 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4389 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4390 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4391 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4392 attiny861 and at86rf401 devices.
4394 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4396 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4399 2006-06-17 Karl Berry <karl@gnu.org>
4401 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4402 doc/gccint.texi, doc/install.texi (@dircategory): Use
4403 "Software development" instead of "Programming", following
4404 the Free Software Directory.
4406 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4408 * config/i386/i386.c (legitimate_tls_address)
4409 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4410 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4411 (*tls_dynamic_gnu2_combine_64): Likewise.
4413 2006-06-16 Richard Guenther <rguenther@suse.de>
4416 * fold-const.c (negate_expr_p): Do not introduce undefined
4417 overflow in negating INTEGER_CSTs.
4418 (fold_negate_expr): Rename from negate_expr. Revert last
4419 change for folding BIT_NOT_EXPR. Change semantics to
4420 return NULL_TREE for non-simplified negations. Do not
4421 strip type conversions and unify type handling.
4422 (negate_expr): New function, wrap around fold_negate_expr
4423 but ensure building a tree always. Strip type conversions
4424 here, fold to result type.
4425 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4427 2006-06-16 Roger Sayle <roger@eyesopen.com>
4430 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4431 that (would) return their results in stack registers.
4433 2006-06-16 Michael Matz <matz@suse.de>
4434 Richard Guenther <rguenther@suse.de>
4436 * fold-const.c (fold_truthop): Only return new tree node if
4437 we canonicalized something.
4439 2006-06-16 Richard Guenther <rguenther@suse.de>
4441 * function.h (enum function_frequency): Move declaration
4442 out of struct function.
4443 (struct function): Move bool fields and the enum to the bitfield
4444 section. Reorder elements to avoid padding. Remove unused
4445 fields left over from the RTL inliner removal.
4446 * function.c (free_after_compilation): Do not zero removed fields.
4447 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4448 (ipa-type-escape.o): Likewise.
4450 2006-06-16 Richard Guenther <rguenther@suse.de>
4452 * cgraph.h (struct cgraph_local_info): Turn bool elements
4454 (struct cgraph_node): Likewise.
4455 (struct cgraph_varpool_node): Likewise.
4457 2006-06-15 Richard Guenther <rguenther@suse.de>
4459 * fold-const.c (fold_truth_not_expr): Rename from
4460 invert_truthvalue. Give it fold_* semantics to avoid
4462 (invert_truthvalue): New function. Wrapper around
4463 fold_truth_not_expr.
4464 (optimize_minmax_comparison): Avoid creating garbage.
4465 (fold_unary): Use fold_truth_not_expr for folding
4467 (fold_ternary): Replace uses of invert_truthvalue with
4468 fold_truth_not_expr where applicable.
4469 * tree.h (fold_truth_not_expr): Prototype.
4471 2006-06-16 Richard Guenther <rguenther@suse.de>
4473 PR tree-optimization/27781
4474 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4475 * ipa-pure-const.c (target.h): Include.
4476 (analyze_function): Do not analyze functions that do not
4479 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4482 * tree-dfa.c (referenced_vars_dup_list): Remove.
4483 (find_referenced_vars): Remove assert.
4484 (referenced_var_check_and_insert): Replace dup list with assert.
4485 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4486 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4488 2006-06-15 Richard Guenther <rguenther@suse.de>
4490 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4491 extra unused identifiers if not dumping.
4492 (create_variable_info_for): Likewise.
4494 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4496 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4497 (derive_constant_upper_bound): Derive more precise upper bound in
4498 common cases. Return type changed to double_int.
4499 (record_estimate): Reflect the changed return type of
4500 derive_constant_upper_bound.
4501 * double-int.c (double_int_zext, double_int_sext): Fix.
4503 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4505 * configure.ac (CFLAGS): Get them from the toplevel or from the
4506 configure invocation.
4507 * configure: Regenerate.
4508 * Makefile.in (CFLAGS): Substitute value provided by configure.
4510 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4513 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4514 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4515 rather than calling add_stmt on it.
4516 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4518 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4521 * reload1.c (reload): Remove registers returned by update_eliminables
4522 from used_spill_regs.
4524 2006-06-13 DJ Delorie <dj@redhat.com>
4526 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4528 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4530 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4531 html__strip_dir, html__mkdir_p. Enhance install-html target.
4532 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4533 * configure: Regenerate.
4535 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4537 * fold-const.c (fold_cond_expr_with_comparison): Check for
4538 Objective-C++ as language in deciding COND_EXPR transformation.
4540 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4543 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4544 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4545 * config/sh/lib1funcs.h (SL, SL1): Define.
4546 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4547 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4548 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4549 (OBJS_Os_4_200): New variable.
4550 ($(T)libgcc-Os-4-200.a): Use it.
4551 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4552 when dividing 1 and/or by 0.
4554 2006-06-13 Roger Sayle <roger@eyesopen.com>
4556 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4557 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4558 * configure: Regenerate.
4560 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4562 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4563 for real instruction.
4565 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4568 * haifa-sched.c (check_cfg): Handle special case.
4570 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4573 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4574 Add debug_info parameter. Chain the vars to the BLOCK instead
4575 of the BIND_EXPR if debug info are requested for them.
4576 (pop_gimplify_context): Adjust for above change.
4577 (gimple_add_tmp_var): Likewise.
4578 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4580 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4581 (convert_local_reference): Likewise.
4582 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4583 (finalize_nesting_tree_1): Request that debug info be emitted
4584 for debug_var_chain.
4586 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4588 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4589 for PR target/27863.
4591 2006-06-13 Richard Guenther <rguenther@suse.de>
4594 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4596 2006-06-13 Richard Guenther <rguenther@suse.de>
4598 PR tree-optimization/27830
4599 * tree-inline.c (copy_body_r): For copying the operand
4600 of an ADDR_EXPR make sure to fold &* afterwards.
4602 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4604 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4605 lvalues in the fb_none case with side-effects.
4607 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4609 * tree-flow.h: Remove the prototype for
4610 compute_phi_arg_on_exit.
4611 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4612 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4615 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4617 * builtins.c (expand_builtin_return_addr): Only use
4618 frame_pointer_rtx when count == 0 and we are expanding
4619 __builtin_return_address.
4621 2006-06-12 Fred Fish <fnf@specifix.com>
4623 * config/mips/mips.c (mips_file_start): Create special section
4624 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4626 2006-06-11 Eric Christopher <echristo@apple.com>
4629 * stor-layout.c (place_field): Remove check for
4630 remaining_in_alignment when aligning at the end of a run.
4632 2006-06-11 Eric Christopher <echristo@apple.com>
4635 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4638 2006-06-11 Roger Sayle <roger@eyesopen.com>
4641 Revert incorrect fix for PR target/27158
4642 2006-05-08 Roger Sayle <roger@eyesopen.com>
4643 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4644 of a reg_equiv_constant if the result is a legitimate constant.
4646 2006-06-11 Roger Sayle <roger@eyesopen.com>
4649 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4650 extract a CONST_VECTOR element and interpret it as an integer.
4651 (vspltis_constant): Use const_vector_elt_as_int instead of the
4652 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4653 * config/rs6000/predicates.md (easy_vector_const): Consider
4654 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4656 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4659 * stor-layout.c (update_alignment_for_field): Don't add extra
4660 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4663 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4665 * config/mips/t-rtems: Add EL/EB multilib variants.
4667 2006-06-09 Mike Stump <mrs@apple.com>
4669 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4671 2006-06-09 David Daney <ddaney@avtrex.com>
4673 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4675 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4677 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4679 2006-06-09 Richard Guenther <rguenther@suse.de>
4681 PR tree-optimization/26998
4682 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4683 of signed types, only TYPE_MIN_VALUE is special, but for both,
4684 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4685 in this case, as is -fwrapv.
4687 2006-06-08 Mike Stump <mrs@apple.com>
4690 * config/darwin.c (darwin_asm_output_anchor): Disable
4691 -fsection-anchors on darwin for now.
4692 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4693 * rs6000/rs6000.c (optimization_options): Likewise.
4695 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4698 * config/i386/i386.c (classify_argument): Skip fields with invalid
4701 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4703 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4704 (cse_insn): Likewise for the stack_pointer_rtx.
4706 2006-06-08 Roger Sayle <roger@eyesopen.com>
4708 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4709 conditions from floating point comparisons.
4711 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4714 * expmed.c (struct alg_hash_entry): Fix type of field T
4715 to match synth_mult argument.
4716 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4718 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4721 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4724 2006-06-08 Richard Guenther <rguenther@suse.de>
4727 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4728 only, if overflow is defined and not trapping.
4729 (negate_expr): Likewise.
4731 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4733 PR tree-optimization/27872
4734 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4735 flag on the new exit edge of the unrolled loop.
4737 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4739 PR rtl-optimization/26449
4740 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4742 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4745 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4746 referenced_variables with matching DECL_UID's.
4747 (find_referenced_vars): Make sure duplicate list is empty to start.
4748 (referenced_var_p): Remove.
4749 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4750 Check if var is in the list, and add if needed. Update the duplicate
4751 list if a different var is in the list with the same DECL_UID.
4752 (add_referenced_var): Call routine to check and insert.
4753 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4754 * tree-flow.h (referenced_vars_dup_list): External declaration.
4756 2006-06-07 Fred Fish <fnf@specifix.com>
4758 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4761 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4764 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4765 the imaginary and real parts of a clobbered register.
4766 Emit insn to set the imaginary part.
4768 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4770 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4771 in lieu of unwind-dw2-fde.c.
4773 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4775 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4777 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4780 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4781 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4782 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4783 V4SImode temporaries and operations instead.
4785 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4787 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4790 2006-06-06 Mike Stump <mrs@apple.com>
4792 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4793 installing during build.
4795 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4797 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4799 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4800 * config/ia64/ia64.c (params.h): New header.
4801 (ia64_optimization_options): New function to adjust parameters.
4802 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4803 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4804 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4806 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4808 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4810 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4813 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4815 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4816 Victor Kaplansky <victork@il.ibm.com>
4818 PR tree-optimization/26360
4819 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4822 2006-06-04 Roger Sayle <roger@eyesopen.com>
4823 Andrew Pinski <pinskia@physics.uc.edu>
4826 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4827 for LABEL_DECL before calling DECL_WEAK.
4830 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4831 LABEL_DECL and PARM_DECL.
4833 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4837 * c-decl.c (grokdeclarator): Disallow variably modified types at
4838 file scope. Avoid marking shared array type of constant size as
4841 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4844 * c-common.c (fold_offsetof_1): Handle static members.
4846 2006-06-04 Eric Christopher <echristo@apple.com>
4848 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4849 (debug_rli): Output value for remaining_in_alignment.
4850 (update_alignment_for_field): Unconditionalize
4851 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4852 extra alignment code.
4853 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4854 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4855 * tree.h (record_layout_info_s): Remove prev_packed.
4856 * doc/extend.texi (ms_struct): Add documentation of format.
4858 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4860 * tree.h: Declare folding_initializer.
4861 * builtins.c (fold_builtin_constant_p): Give definite answer
4862 if folding inside an initializer.
4863 * fold-const.c: Define folding_initializer.
4864 (START_FOLD_INIT): Save and then set folding_initializer.
4865 (END_FOLD_INIT): Restore folding_initializer.
4867 2006-06-04 Richard Guenther <rguenther@suse.de>
4869 PR tree-optimization/27039
4870 * fold-const.c (fold_comparison): Handle pointer comparison
4871 again for all comparison codes. Compare offsets in signed
4873 (fold_binary): Move code from here.
4875 2006-06-03 Roger Sayle <roger@eyesopen.com>
4878 * config/i386/i386.c (construct_container): Split static issued_error
4879 flag into issued_sse_arg_error, issued_sse_ret_error and
4880 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4881 requires the use of x87 registers and the user explicitly
4882 specified the -mno-80387 command line option.
4884 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4886 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4887 HAVE_DECL_SIGALTSTACK.
4889 (segv_handler): Use MC_FLD.
4890 * configure.ac: Check for a sigaltstack declaration.
4891 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4892 * configure: Regenerate.
4893 * config.in: Regenerate.
4895 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4898 * Makefile.in (stmp-fixinc): Fix typo.
4900 2006-06-02 Roger Sayle <roger@eyesopen.com>
4902 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4903 are type correct. Clean-up.
4904 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4905 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4907 2006-06-01 DJ Delorie <dj@redhat.com>
4909 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4910 shift, as we've disabled the "switch" insn that needs it.
4912 2006-06-01 Per Bothner <bothner@bothner.com>
4914 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4915 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4916 * c-ppoutput.c (cb_define): Don't increment line 0.
4918 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4920 * doc/invoke.texi: Add cpu_type power6.
4921 * config.gcc: Add cpu_type power6.
4922 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4923 to power5+ with Altivec.
4924 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4925 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4927 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4929 * config/avr/avr.h (SET_ASM_OP): Define.
4931 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4933 * config/bfin/bfin.c: Fix comment typos.
4935 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4938 * doc/install.texi: Document --enable-bootstrap and
4939 --disable-bootstrap.
4941 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4943 * doc/install.texi: Document that InfoZIP can replace jar.
4945 2006-05-31 Roger Sayle <roger@eyesopen.com>
4947 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4948 isn't available, directly generate the simpler x87 patterns without
4949 the (use (const_int 0)).
4950 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4951 implementation isn't available.
4952 (*negdf2_1): Likewise.
4953 (*negxf2_1): XF mode negation is always done using the x87.
4954 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4956 2006-05-31 Roger Sayle <roger@eyesopen.com>
4958 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4959 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4961 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4963 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4965 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4966 * config/bfin/bfin.c (basic-block.h): Include.
4967 (struct machine_function): New.
4968 (bfin_init_machine_status): New.
4969 (override_options): Initialize init_machine_status.
4970 (bfin_hardware_loop): New.
4971 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4972 (DEF_VEC_P (loop_info)): New.
4973 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4974 (struct loop_info): New.
4975 (loop_info): New typedef.
4976 (struct loop_work): New.
4977 (loop_work): New typedef.
4978 (DEF_VEC_O (loop_work)): New.
4979 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4980 (bfin_dump_loops): New.
4981 (bfin_bb_in_loop): New.
4982 (bfin_scan_loop): New.
4983 (bfin_optimize_loop): New.
4984 (bfin_reorg_loops): New.
4985 (bfin_reorg): Use bfin_reorg_loops.
4986 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4988 (I_REGNO_P): Simplify.
4989 (DP_REGNO_P, DPREG_P): New macros.
4990 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4991 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4992 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4993 Add LT_REGS, LC_REGS, LB_REGS.
4994 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4996 (REGNO_REG_CLASS): Deal with loop registers.
4997 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4999 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5000 New constants for loop registers.
5001 (UNSPEC_LSETUP_END): New.
5002 (seq_insns): New define_attr. Set it for appropriate insns.
5003 (movsi_insn): Add alternatives for move from/to
5004 loop count registers.
5005 (doloop_end): New define_expand.
5006 (loop_end): New define_insn.
5007 (define_split for bad doloop_end): New.
5008 (lsetup_with_autoinit): New define_insn.
5009 (lsetup_without_autoinit): New define_insn.
5010 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5011 * config/bfin/predicates.md (lc_register_operand): New.
5012 (lt_register_operand): New.
5013 (lb_register_operand): New.
5014 (nondp_register_operand): New.
5015 (nondp_reg_or_memory_operand): New.
5016 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5018 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5020 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5021 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5023 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5025 * Makefile.in (CATALOGS): Add po/ prefix.
5026 * configure: Regenerated.
5028 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5031 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5032 a shift operand before calling shift_op. Avoid redundant call of
5035 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5036 DJ Delorie <dj@redhat.com>
5038 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5039 we're inserting is a singlt-bit constant.
5041 2006-05-30 Roger Sayle <roger@eyesopen.com>
5043 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5044 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5046 2006-05-30 Roger Sayle <roger@eyesopen.com>
5048 PR tree-optimization/23452
5049 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5050 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5051 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5052 complex values and with -ffast-math for FP complex values.
5054 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5056 * c-common.h: Remove the prototype for yyparse.
5057 * rtl.h: Remove the prototype for init_loop.
5059 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5061 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5064 2006-05-30 Roger Sayle <roger@eyesopen.com>
5066 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5068 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5069 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5071 2006-05-30 Dirk Mueller <dmueller@suse.de>
5074 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5075 for CONSTANT_CLASS_P expresisons.
5077 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5080 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5082 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5084 PR tree-optimization/27779
5085 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5086 initial_condition instead of CHREC_LEFT.
5088 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5090 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5091 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5092 Make prototypes ISO C90.
5094 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5095 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5097 * see.c (see_analyze_one_def): Correct check.
5098 (see_get_extension_data): Check if extension is parallel.
5099 (see_get_extension_reg): Likewise.
5101 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5104 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5105 into register for (code == GTU).
5107 2006-05-29 Roger Sayle <roger@eyesopen.com>
5109 PR tree-optimization/24964
5110 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5111 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5112 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5113 abs(x)*abs(x) as x*x for scalar floating point modes.
5115 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5118 * lambda-code.c (perfect_nestify): Don't copy statements
5119 in the inner loop: move them to the inner loop header.
5121 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5124 * c-tree.texi: Document OpenMP directives and clauses.
5126 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5128 * varasm.c (globalize_decl): Fix indentation.
5130 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5133 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5134 pass_fre, pass_store_ccp, pass_copy_prop,
5135 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5136 pass_return_slot, pass_object_size, pass_lim,
5137 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5138 pass_loop_prefetch and pass_stdarg.
5140 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5142 * config/bfin/bfin.opt (mfdpic): New option.
5143 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5144 (EXTRA_MULTILIB_PARTS): Likewise.
5145 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5146 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5148 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5149 (CRT_CALL_STATIC_FUNCTION): New.
5150 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5152 (CRT_CALL_STATIC_FUNCTION): New.
5153 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5155 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5156 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5157 (initialize_trampoline): Changed to handle FD-PIC code generation.
5158 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5159 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5160 (override_options): Disallow -mid-shared-library -mfdpic combination.
5161 Can't do unaligned ops if FD-PIC.
5162 Turn off flag_pic if trying to generate non-id-shared-library
5163 non-fdpic code, since it's not supported.
5164 (bfin_assemble_integer): New function.
5165 (TARGET_ASM_INTEGER): Define.
5166 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5168 * config/bfin/crtn.s: Restore them.
5169 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5171 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5172 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5173 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5174 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5175 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5177 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5178 FDPIC_REGS and FDPIC_FPTR_REGS.
5179 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5180 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5181 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5182 (load_funcdescsi): New pattern.
5183 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5184 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5185 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5187 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5189 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5192 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5194 * tree-flow.h: Remove the prototype for add_type_alias.
5195 * tree-ssa-alias.c (add_type_alias): Remove.
5197 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5199 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5200 config/fr30/fr30.md, config/i386/i386-interix.h,
5201 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5202 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5203 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5204 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5205 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5206 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5207 Follow spelling conventions.
5208 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5209 Follow spelling conventions.
5211 2006-05-27 Richard Guenther <rguenther@suse.de>
5214 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5215 to produce a constant of value 1 of generic type.
5217 2006-05-27 Dirk Mueller <dmueller@suse.de>
5219 * cgraphunit.c (decide_is_function_needed): Fix wrong
5222 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5224 PR rtl-optimization/27661
5225 * reload.c (find_reloads): When reloading a VOIDmode constant
5226 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5227 use Pmode as mode of the reload register.
5229 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5231 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5232 is enabled at -O and above.
5234 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5237 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5240 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5243 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5244 for anonymous variables explicitly declared by front ends.
5246 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5248 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5249 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5250 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5251 ref-all pointers, run a finalization pass for them.
5252 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5253 (finalize_ref_all_pointers): New function.
5254 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5255 regular pointer type to a ref-all pointer type.
5256 (get_tmt_for): Return the special memory tag for ref-all pointers.
5258 2006-05-25 Richard Guenther <rguenther@suse.de>
5261 * fold-const.c (fold_binary): Do not look at the stripped
5262 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5264 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5266 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5267 for LT and GT if the computed range is effectively empty.
5269 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5272 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5273 mips_quad_format formats instead of ieee_single_format,
5274 ieee_double_format and ieee_quad_format formats, respectively.
5276 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5278 PR tree-optimization/27639
5279 PR tree-optimization/26719
5280 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5281 call to scev_probably_wraps_p.
5282 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5283 used_in_pointer_arithmetic_p, convert_step): Removed.
5284 (nowrap_type_p): New function.
5285 (scev_probably_wraps_p): Rewritten.
5286 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5287 chrec_convert if chrec_convert_aggressive might have been used.
5288 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5289 scev_direction): New functions.
5290 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5291 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5292 instead of convert_step.
5293 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5294 (convert_step): Declaration removed.
5295 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5297 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5299 * df-core.c: Added to header comments.
5300 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5301 df_ur_bb_info, df_urec_bb_info): Added comments.
5302 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5303 urec, ri problems): Fixed header comments.
5304 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5305 code from df_rd_transfer_function.
5307 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5309 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5310 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5311 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5313 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5315 * expr.c (undefined_operand_subword_p): New.
5316 (emit_move_multi_word): Do not generate move from undefined bits
5317 of a paradoxical subreg.
5319 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5321 PR rtl-optimization/27736
5322 * combine.c (replaced_rhs_value): New variable.
5323 (combine_instructions): Set it.
5324 (distribute_notes): When distributing a note in replaced_rhs_insn,
5325 check whether the value was used in replaced_rhs_value.
5327 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5330 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5331 add_referenced_var instead of add_referenced_tmp_var.
5332 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5333 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5335 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5336 tree_optimize_tail_calls_1): Use add_referenced_var.
5337 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5338 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5339 Use add_referenced_var.
5340 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5341 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5342 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5343 Use add_referenced_var.
5344 * tree-dfa.c (struct walk_state): Remove.
5345 (find_referenced_vars): Remove walk state and vars_found hash table.
5346 (make_rename_temp): Use add_referenced_var.
5347 (find_vars_r): Pass less parameters to add_referenced_var.
5348 (referenced_var_p): New. Is var in referenced_var hash table.
5349 (referenced_var_insert): Assert var isn't already in hash table.
5350 (add_referenced_var): Don't need walk_state parameter. Add var if it
5351 isn't already in the hash table.
5352 (add_referenced_tmp_var): Remove.
5353 (find_new_referenced_vars_1): Use add_referenced_var.
5354 * tree-ssa-pre.c (create_expression_by_pieces,
5355 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5356 Use add_referenced_var.
5357 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5358 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5359 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5361 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5362 vect_create_data_ref_ptr, vect_create_destination_var,
5363 vect_init_vector, vect_build_loop_niters,
5364 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5365 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5366 Use add_referenced_var.
5367 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5368 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5369 (add_referenced_var): Add prototype.
5370 * tree-ssa-structalias.c (get_constraint_for,
5371 intra_create_variable_infos): Use add_referenced_var.
5373 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5375 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5376 big-endian paradoxical subregs.
5377 * var-tracking.c (struct micro_operation_def): Document that,
5378 for modify micro operations, insn is the subsequent instruction.
5379 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5380 (var_reg_set, var_mem_set): ... new functions.
5381 (add_stores): Record subsequent insn.
5382 (compute_bb_dataflow): Use new functions for MO_USE.
5383 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5384 notes after the insn, and modify notes before the insn known
5385 to be the subsequent one.
5386 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5388 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5391 * config/i386/i386.c (ix86_expand_builtin): Use
5392 gen_sse3_monitor64 for TARGET_64BIT.
5394 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5396 PR rtl-optimization/26375
5397 PR rtl-optimization/26855
5398 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5400 (df_ru_bb_local_compute): Reversed statements and removed bogus
5401 comment explaining why they should be in wrong order.
5402 (df_ru_dump, df_rd_dump): Enhanced debug info.
5403 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5405 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5406 reaching uses and fixed space problem.
5408 2006-05-23 Jan Hubicka <jh@suse.cz>
5410 * cgraphunit.c (decide_is_function_needed): Also nested functions
5411 and functions declared inline can be optimized out at -O0.
5413 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5415 * doc/install.texi (Configuration): Remove reference to CrossGCC
5419 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5422 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5423 ix86_compare_emitted is non-NULL.
5425 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5428 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5431 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5433 PR rtl-optimization/25514
5434 * combine.c (replaced_rhs_insn): New variable.
5435 (combine_instructions): Set replaced_rhs_insn when trying to replace
5436 a SET_SRC with a REG_EQUAL note.
5437 (distribute_notes): Use replaced_rhs_insn when determining the live
5438 range of a REG_DEAD register.
5440 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5441 Anatoly Sokolov <aesok@post.ru>
5443 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5444 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5445 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5446 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5447 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5448 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5449 at90usb647, at90usb1286 and at90usb1287 devices.
5450 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5451 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5453 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5455 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5457 2006-05-22 Richard Guenther <rguenther@suse.de>
5460 2006-01-31 Richard Guenther <rguenther@suse.de>
5461 Paolo Bonzini <bonzini@gnu.org>
5463 * doc/install.texi (--disable-libgcc-math): Document.
5465 2006-05-22 Richard Guenther <rguenther@suse.de>
5468 2006-01-31 Richard Guenther <rguenther@suse.de>
5470 * doc/invoke.texi (-msselibm): Document.
5471 * target.h (expand_library_builtin): New target hook.
5472 * builtins.c (expand_builtin): Use expand_library_builtin.
5473 (default_expand_library_builtin): New function.
5474 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5475 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5476 (link_gcc_math_spec): Declare.
5477 (static_specs): Add link_gcc_math_spec.
5478 * expr.h (default_expand_library_builtin): Declare.
5479 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5480 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5481 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5482 * config/i386/i386.opt (msselibm): New target option.
5483 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5484 (ix86_init_sse_abi_builtins): New function.
5485 (ix86_expand_library_builtin): Likewise.
5486 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5487 (override_options): Handle error conditions wrt -msselibm.
5488 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5489 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5490 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5493 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5496 * c-common.c (self_promoting_args_p): Skip erroneous args.
5499 * c-decl.c (finish_struct): Skip erroneous fields.
5501 2006-05-22 Nick Clifton <nickc@redhat.com>
5503 * config/cris/cris.opt (march): Remove VarExists attribute.
5504 (max-stackframe=): Likewise.
5506 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5508 * doc/rtl.texi: Fix a typo.
5509 * see.c: Fix comment typos.
5511 * tree-ssa-structalias.h (alias_info): Remove num_references.
5513 2006-05-21 Mike Stump <mrs@apple.com>
5515 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5517 (darwin_pragma_options): Use BAD instead.
5518 (darwin_pragma_unused): Likewise.
5519 (darwin_pragma_ms_struct): Likewise.
5521 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5523 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5525 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5527 PR rtl-optimization/27671
5528 * simplify-rtx.c (simplify_relational_operation_1): Fix
5529 simplifications of (eq/ne (xor x y) y) and
5530 (eq/ne (xor x y) x).
5532 PR tree-optimization/26622.
5533 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5536 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5538 * tree-cfg.c: Prune whitespace.
5539 (debug_tree_cfg): Point to correct header containing the
5542 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5545 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5547 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5550 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5551 or sorry count is non zero.
5553 2006-05-20 Andreas Schwab <schwab@suse.de>
5555 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5557 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5558 Kenneth Zadeck <zadeck@naturalbridge.com>
5560 PR rtl-optimization/26855
5562 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5564 (df_scan_alloc): Added code to properly handle multiword hard
5565 registers and add all_blocks parameter.
5566 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5567 code to properly handle multiword hard registers.
5568 (df_rescan_blocks): Added code to remove deleted blocks from
5570 (df_ref_create_structure, df_ref_record): Added code to properly
5572 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5573 and set DF_REF_PARTIAL.
5574 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5575 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5576 (df_scan_add_problem): Added flags parameter.
5577 (df_ref_create_structure): Changed switching structure.
5578 (df_bb_refs_record): Fixed case where duplicate artificial refs
5579 were created. Changed location of flags.
5580 (df_record_entry_block_defs): Added code to make stack pointer
5581 live in entry block. Refined cases where frame pointer is needed.
5582 Changed location of flags.
5583 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5584 (df_set_state): Removed function.
5585 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5586 df_insn_create_insn_record, df_insn_refs_delete,
5587 df_ref_create_structure): Formatting changes.
5588 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5589 df_delete_basic_block): New function.
5590 (df_init): Changed location of flags.
5591 (df_add_problem): Added flags parameter and the way flags are
5593 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5594 debug_df_chain): Improved debugging output.
5595 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5596 (df_refs_chain_dump): Removed df parameter.
5597 (df_iterative_dataflow): Added consistency check.
5598 (df_prune_to_subcfg): Made public.
5599 (df_analyze_problem): Added blocks_to_init parameter and made
5601 (df_ref_record, df_bb_refs_record, df_mark_reg,
5602 df_record_exit_block_uses): Whitespace changes.
5603 (df_dump): Whitespace changes.
5604 * df.h: Some reordering to remove forward references.
5605 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5606 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5607 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5608 (dataflow.flags): New field.
5609 (df.flag): Deleted field.
5610 (df_alloc_function): Added additional bitmap parameter.
5611 (df_dependent_problem_function): New type.
5612 (df_problem.changeable_flags): New field.
5613 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5614 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5615 (df_mw_hardreg): New struct.
5616 (DF_INSN_UID_MWS): New macro.
5617 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5619 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5620 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5621 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5622 (df_set_state): Removed function.
5623 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5624 * df-problems.c (df_chain_dump): Removed df parameter.
5625 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5626 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5628 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5629 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5630 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5631 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5632 DF_REF_MUST_CLOBBER cases.
5633 (df_ru_bb_local_compute_process_def,
5634 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5635 df_lr_bb_local_compute, df_ur_bb_local_compute,
5636 df_chain_create_bb): Made subreg aware.
5637 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5638 df_lr_bb_local_compute, df_lr_bb_local_compute,
5639 df_chain_create_bb): Cleanup to use proper macros.
5640 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5641 code to fixup bitvectors.
5642 (df_ri_alloc): Cleared lifetime.
5643 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5644 df_create_unused_note): New function.
5645 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5646 REG_DEAD and REG_UNUSED notes as well as register information.
5647 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5648 df_chains_dump): Fixed crash if problem was never run.
5649 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5650 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5651 df_ri_add_problem): Processes flags in uniform manner.
5652 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5653 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5654 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5655 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5656 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5657 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5658 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5659 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5660 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5661 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5662 * see.c (see_initialize_data): Ditto.
5663 * final.c (rest_of_clean_state) Added regstack_completed.
5664 * rtl.h (regstack_completed): Ditto.
5665 * reg-stack.c (regstack_completed): Ditto.
5667 2006-05-19 Mike Stump <mrs@apple.com>
5669 * c-tree.h (default_conversion): Remove.
5670 * c-common.h (default_conversion): Add.
5672 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5674 * tree-vrp.c (valid_value_p): New function.
5675 (adjust_range_with_scev): Fail if the value of bound is not
5678 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5680 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5681 (mips_fallback_frame_state): Use syscall numbers to determine
5682 the appropriate li instruction for the current ABI. Only use
5683 __NR_sigreturn for o32.
5685 2006-05-19 Nicolas Setton <setton@adacore.com>
5687 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5688 * langhooks.c (lhd_dwarf_name): New function.
5689 * langhooks-def.h (lhd_dwarf_name): Declare.
5690 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5691 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5692 * ada/misc.c (gnat_dwarf_name): New function.
5693 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5695 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5697 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5699 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5700 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5701 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5702 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5703 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5704 determine the size of Wtype, etc.
5705 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5706 (swfloatfuncs): New variable.
5707 (dwfloatfuncs): Likewise.
5708 (lib2funcs): Remove floating-point conversion functions from
5709 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5710 the set of conversion routines needed. Allow entries to specify
5711 an object name, filename and word size. Update users accordingly.
5712 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5713 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5717 2006-02-08 Roger Sayle <roger@eyesopen.com>
5720 * config/fixtfdi.c: New libgcc source file.
5721 * config/fixunstfdi.c: New source file.
5722 * config/floatditf.c: New source file.
5723 * config/floatunditf.c: New souce file.
5724 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5725 files above instead of config/mips/_tilib.c.
5726 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5728 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5730 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5731 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5733 2006-05-18 Mike Stump <mrs@apple.com>
5735 Fix up vla, vm and [*] sematics.
5741 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5742 (c_vla_unspec_p): Add.
5743 (c_vla_type_p): Add.
5744 * c-decl.c (struct c_scope): Add had_vla_unspec.
5745 (build_array_declarator): Add support for [*].
5746 (grokdeclarator): Likewise.
5747 (grokparms): Likewise.
5748 (get_parm_info): Likewise.
5749 * c-objc-common.c (c_vla_unspec_p): Likewise.
5750 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5751 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5752 typeof when argument is a variably modified type not inside sizeof or alignof.
5753 (c_parser_direct_declarator_inner): Propagate errors.
5754 (c_parser_sizeof_expression): Add support for [*].
5755 (c_parser_parms_declarator): Initialize had_vla_unspec.
5756 (c_parser_parms_list_declarator): Likewise.
5757 * c-typeck.c (c_vla_type_p): Add.
5758 (composite_type): Add support for vla compositing.
5759 (comptypes_internal): Add support for vla compatibility.
5760 (c_expr_sizeof_expr): Evaluate vla arguments.
5761 * tree.c (variably_modified_type_p): Update comment for [*].
5763 2006-05-18 Michael Matz <matz@suse.de>
5766 * config.host: Make assignments to host_xmake_file cumulative.
5767 * config.host (*-darwin*): Test $host, not $target.
5769 2006-05-12 Stuart Hastings <stuart@apple.com>
5771 * config/i386/i386.opt (-mstackrealign): New flag.
5772 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5773 (ix86_handle_cconv_attribute): Emit error when
5774 force_align_arg_pointer attribute collides with too many regparms.
5775 (ix86_function_regparm): Limit regparms when used with
5776 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5777 Support stack-realigning prologue in non-main functions. Emit
5778 warning for nested functions under -mstackrealign, emit error for
5779 nested functions with force_align_arg_pointer attribute.
5780 * doc/extend.texi (force_align_arg_pointer): Document it.
5781 * doc/invoke.texi (-mstackrealign): Document it.
5783 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5785 PR rtl-optimization/27477
5786 * combine.c (try_combine): Don't split a parallel consisting
5787 of two sets into two individual sets if both sets reference
5790 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5792 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5793 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5795 * doc/options.texi (VarExists): Updated.
5797 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5799 * unwind-dw2.c: Add declarations for uw_update_context and
5801 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5802 detected, advance frame state and context once to skip over stub.
5804 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5808 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5809 Call rewrite_into_loop_closed_ssa only when something changed.
5810 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5811 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5812 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5813 Test for perfect_nest_p here. Fix formating.
5814 (replace_uses_equiv_to_x_with_y): Fix formating.
5815 (stmt_uses_op): Removed.
5816 (can_convert_to_perfect_nest): Removed loopivs parameter.
5817 Complete the test by checking the scalar dependences.
5818 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5821 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5824 From Dan Kegel <dank@kegel.com>:
5825 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5827 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5829 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5830 if the element type is variably modified without recursing.
5832 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5835 * tree-loop-linear.c (try_interchange_loops): Test for
5836 no data dependences.
5838 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5840 PR tree-optimization/27548
5841 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5842 range of ssa names that appear on abnormal edges.
5843 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5844 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5846 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5849 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5851 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5854 * tree.h (OMP_PARALLEL_COMBINED): Define.
5855 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5856 (new_omp_context): Add is_combined_parallel argument.
5857 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5858 new_omp_context caller.
5859 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5860 Adjust gimplify_scan_omp_clauses callers.
5861 (omp_is_private): Issue errors if iteration variable is firstprivate
5862 or reduction in the current context.
5863 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5864 on combined parallel workshare constructs.
5866 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5868 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5869 (gcc-options.o): New rule.
5871 * optc-gen.awk: Protect variables for gcc-options.o with
5872 #ifdef GCC_DRIVER/#endif.
5874 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5876 Fix PR tree-optimization/27373
5877 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5878 (forward_propagate_addr_expr): Update call.
5880 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5882 * doc/options.texi: Move the Negative option.
5884 2006-05-16 Richard Guenther <rguenther@suse.de>
5886 PR tree-optimization/22303
5887 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5889 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5890 ccp_fold did not simplify the statement.
5892 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5895 * Makefile.in (GCC_OBJS): New.
5896 (OBJS-common): Add opts-common.o.
5897 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5898 (cpp$(exeext)): Likewise.
5899 (gcc.o): Also depend on opts.h.
5900 (opts-common.o): New.
5902 * common.opt (gcoff): Add Negative(gdwarf-2).
5903 (gdwarf-2): Add Negative(gstabs).
5904 (gstabs): Add Negative(gstabs+).
5905 (gstabs+): Add Negative(gvms).
5906 (gvms): Add Negative(gxcoff).
5907 (gxcoff): Add Negative(gxcoff+).
5908 (gxcoff+): Add Negative(gcoff).
5909 * config/i386/i386.opt (m32): Add Negative(m64).
5910 (m64): Add Negative(m32).
5912 * doc/options.texi: Document the Negative option.
5914 * gcc.c: Include "opts.h".
5915 (main): Call prune_options after expandargv.
5917 * optc-gen.awk: Generate common declarations for all flag
5918 variables in options.c. Output the neg_index field.
5920 * opts.c (find_opt): Moved to ...
5921 * opts-common.c: Here. New file.
5923 * opts.h (cl_option): Add a neg_index field.
5925 (prune_options): Likewise.
5927 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5930 * omp-low.c (expand_omp_parallel): Don't assert
5931 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5932 instead search for it.
5935 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5938 2006-05-16 Andreas Schwab <schwab@suse.de>
5940 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5943 2006-05-15 Roger Sayle <roger@eyesopen.com>
5946 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5947 integer constants other than zero are only legitimate on TARGET_64BIT.
5948 <CONST_VECTOR> Only zero vectors are legitimate.
5949 (ix86_cannot_force_const_mem): Integral and vector constants can
5950 always be put in the constant pool.
5952 2006-05-16 DJ Delorie <dj@redhat.com>
5954 * crtstuff.c (__dso_handle): Set section from
5955 TARGET_LBIGCC_SDATA_SECTION if defined.
5956 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5957 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5959 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5962 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5965 2006-05-16 Ben Elliston <bje@au.ibm.com>
5967 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5969 2006-05-15 Per Bothner <per@bothner.com>
5971 * tree.c: (last_annotated_node): Use source_locus typedef.
5972 This permits bootstrapping with --enable-mapped-location.
5974 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5976 PR tree-optimization/26830
5977 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5978 (info_for_ssa_name, current_info_for_ssa_name_age,
5979 blocks_to_update): New variables.
5980 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5981 (clear_ssa_name_info, initialize_flags_in_bb,
5982 mark_block_for_update): New functions.
5983 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5984 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5985 prepare_def_site_for): Use mark_block_for_update.
5986 (mark_def_interesting): Assert that the processed block is marked in
5987 blocks_to_update. Do not take blocks argument.
5988 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5990 (rewrite_update_init_block, rewrite_update_stmt): Only process
5991 blocks with statements to rewrite.
5992 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5993 (update_ssa): Initialize and free blocks_to_update. Do not
5994 clear flags on statements. Do not use blocks bitmap.
5995 * tree.h (SSA_NAME_AUX): Removed.
5996 (struct tree_ssa_name): Removed aux field.
5997 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5999 2006-05-15 Richard Guenther <rguenther@suse.de>
6001 PR tree-optimization/27603
6002 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6003 Do computations in original type.
6005 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6007 * see.c: Code style changes such as redundant paranthesis,
6008 redundant intialization of local variables etc.
6009 (see_main): Declared now as static.
6010 * doc/invoke.texi: Update that -fsee is not enabled by
6013 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6015 * omp-low.c (check_omp_nesting_restrictions): New function.
6016 (scan_omp_1): Call it.
6019 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6020 construct, return *VAR.
6022 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6024 PR rtl-optimization/27406
6025 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6028 2006-05-14 Roger Sayle <roger@eyesopen.com>
6030 PR rtl-optimization/27538
6031 * combine.c (expand_compound_operation): Call gen_lowpart
6032 before calling simplify_shift_const.
6034 2006-05-14 Roger Sayle <roger@eyesopen.com>
6036 PR rtl-optimization/22563
6037 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6038 a fixed width bitfield, always force the intermediates into psuedos.
6040 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6043 * mkconfig.sh: Use operator = instead of == for test.
6045 2006-05-13 Nick Clifton <nickc@redhat.com>
6047 * dwarf2out.c (dbx_reg_number): Check return value from
6048 LEAF_REG_REMAP and only use it if it is valid.
6049 (multiple_reg_loc_descriptor): Likewise.
6051 2006-05-13 Richard Guenther <rguenther@suse.de>
6053 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6056 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6058 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6059 information attached to non-INSNs such as NOTEs.
6060 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6062 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6064 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6066 * config/s390/s390.md: Adjust comment describing On constraint.
6068 2006-05-11 Jan Hubicka <jh@suse.cz>
6070 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6071 to be output at -O0.
6073 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6076 * fold-const.c (size_binop): Move sanity check for arguments to
6077 the beginning of the function.
6080 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6083 2006-05-11 Richard Guenther <rguenther@suse.de>
6086 * fold-const.c (fold_unary): Handle intermediate conversion
6087 to a pointer type like intermediate conversion to an integer
6088 type in folding of (T1)(T2)var to var.
6089 Match the code to the comment in the final conversion for
6090 (T1)(T2)var to (T1)var regarding to type precision. Rather
6091 than disallow T1 being of pointer type, assert that both T1
6092 and var are of pointer type or not. Make sure not to fall
6093 over the frontends lazyness wrt array to pointer decay though.
6095 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6097 * arm.c (arm_struct_value_rtx): Delete.
6098 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6099 (arm_init_cumulative_args): Always initialize nregs to zero.
6101 2006-05-10 Richard Guenther <rguenther@suse.de>
6103 PR tree-optimization/27532
6104 * tree-object-size.c (plus_expr_object_size): Fix typo.
6106 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6109 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6110 ashrdi_const, ashrdi3): Use a scratch register.
6112 2006-05-10 Richard Guenther <rguenther@suse.de>
6114 PR tree-optimization/27302
6115 * fold-const.c (operand_equal_p): For two comparisons,
6116 try comparison of one comparison code swapped if that yields
6119 2006-05-10 Ben Elliston <bje@au.ibm.com>
6121 * tree-pretty-print.c (pretty_print_string): No need to handle
6122 '\0' as a special character.
6124 * tree.h: Include "hashtab.h".
6125 (iterative_hash_expr): Use hashval_t in its prototype.
6126 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6128 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6131 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6132 (hppa*64*-*-hpux11*): Ditto.
6133 (hppa[12]*-*-hpux11*): Ditto.
6135 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6138 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6140 2006-05-09 Michael Matz <matz@suse.de>
6142 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6143 host_extra_gcc_objs and host_xmake_file.
6144 (<*-*-linux*>): Don't overwrite host_xmake_file.
6145 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6146 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6147 (host_detect_local_cpu): Declare.
6148 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6149 * config/i386/i386.c (override_options): Handle -mtune=native
6151 * config/i386/x-i386: New file.
6152 * config/i386/driver-i386.c: New file.
6153 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6156 2006-05-09 Dirk Mueller <dmueller@suse.de>
6157 Richard Guenther <rguenther@suse.de>
6160 * fold-const.c (fold_read_from_constant_string): Relax check
6161 for matching types to matching modes.
6163 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6165 PR rtl-optimization/27335
6166 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6169 2006-05-08 Chao-ying Fu <fu@mips.com>
6170 Richard Sandiford <richard@codesourcery.com>
6172 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6173 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6174 * config/mips/mips.md (UNSPEC_SCC): New constant.
6175 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6176 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6177 (mips_emit_compare): Use it.
6178 (mips_expand_vcondv2sf): New function.
6180 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6182 Fix PR tree-optimization/27093
6183 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6184 renaming when they become not-used_alone.
6186 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6188 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6189 relocation and relocation stubs.
6191 2006-05-08 Eric Christopher <echristo@apple.com>
6193 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6196 2006-05-08 Jan Hubicka <jh@suse.cz>
6199 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6200 unused static functions are needed.
6202 2006-05-08 Roger Sayle <roger@eyesopen.com>
6205 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6206 of a reg_equiv_constant if the result is a legitimate constant.
6208 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6211 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6212 standard 80387 constants, raise the cost to prevent
6213 compress_float_constant() to generate load from memory.
6215 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6217 * config/arm/constraints.md (c): Fix a typo.
6219 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6222 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6225 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6227 (_mm_mwait): Likewise.
6229 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6231 (sse3_monitor): Make it 32bit only.
6232 (sse3_monitor64): New. 64bit monitor.
6234 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6237 * config/i386/i386.c (classify_argument): Skip fields with invalid
6240 2006-05-07 Richard Guenther <rguenther@suse.de>
6242 PR tree-optimization/27409
6243 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6244 Do not try to find zero-sized subvars.
6246 2006-05-07 Richard Guenther <rguenther@suse.de>
6248 PR tree-optimization/27136
6249 * tree-ssa-loop-niter.c (get_val_for): Correct function
6250 comment, assert requirements.
6251 (loop_niter_by_eval): Stop processing if the iterated
6252 value did not simplify.
6254 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6256 * opts.c (flag_see): remove its setting at -O3.
6258 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6260 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6261 * arm/constraints.md: New file.
6262 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6263 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6264 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6265 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6266 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6267 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6268 * arm.md: Include constraints.md.
6269 (thumb_movsi_insn): Use satisfies_constraint_J.
6270 (movhi, movqi): Use satisfies_constraint_I.
6272 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6274 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6275 for atmeg a645 device.
6277 2006-05-06 Richard Guenther <rguenther@suse.de>
6279 PR tree-optimization/27151
6280 * tree-vect-transform.c (vectorizable_condition): Punt on
6281 values that have a different type than the condition.
6283 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6286 * c-parser.c (c_parser_cast_expression): Only insert casts into
6287 hash table if pointer.
6288 * function.c (used_types_insert_helper): Rename from
6290 (used_types_insert): Call used_types_insert_helper.
6291 * function.h (used_types_insert): Accept only one argument.
6293 2006-05-05 David Edelsohn <edesohn@gnu.org>
6295 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6296 scratch with output modifier.
6298 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6301 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6302 with output modifier.
6304 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6307 * config/mips/mips.c (mips_symbolic_address_p): Return true
6308 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6309 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6311 2006-05-04 Richard Guenther <rguenther@suse.de>
6313 PR tree-optimization/14287
6314 PR tree-optimization/14844
6315 PR tree-optimization/19792
6316 PR tree-optimization/21608
6317 PR tree-optimization/27090
6318 * tree-ssa-pre.c (try_combine_conversion): New function.
6319 (compute_avail): After constructing the value-handle
6320 expression, use try_combine_conversion to combine NOP_EXPRs
6321 with previous value-handle expressions and use the result if it
6324 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6326 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6328 2006-05-04 Jan Hubicka <jh@suse.cz>
6331 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6333 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6335 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6336 that this only matches CONST_INTs. All users changed to VOIDmode
6339 * config/bfin/bfin.c: Include "optabs.h".
6340 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6342 (enum bfin_builtins): Add a number of fractional and vector builtins.
6343 (bfin_init_builtins): Likewise.
6344 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6345 (safe_vector_operand, bfin_expand_binop_builtin,
6346 bfin_expand_unop_builtin): New functions.
6347 (bfin_expand_builtin): Handle the new builtins.
6348 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6351 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6354 * Makefile.in (OBJS-common): Add see.o.
6355 (see.o): Add dependencies.
6356 * common.opt (fsee): New flag for the see optimization was added.
6357 * opts.c (flag_see): Initialized.
6358 * passes.c (init_optimization_passes, pass_see): New pass.
6359 * rtl.h (see_main): Declaration as extern.
6360 * timevar.def (TV_SEE): New.
6361 * tree-pass.h (pass_see): Declaration as extern.
6362 * invoke.texi (-fsee): Document.
6363 * recog.c (validate_simplify_insn): New function.
6364 * recog.h (validate_simplify_insn): Declaration as extern.
6365 * df-problems.c (df_chain_dump): Check for NULL.
6367 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6368 Daniel Berlin <dberlin@dberlin.org>
6370 * cfgrtl.c (insert_insn_bb_end_new): New function.
6371 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6373 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6375 * df.h (struct web_entry): Moved from web.c.
6376 (union_defs): Declaration as extern.
6377 (unionfind_root): Likewise.
6378 (unionfind_union): Likewise.
6379 * web.c (struct web_entry): Moved to df.h.
6380 (unionfind_root): Remove static declaration.
6381 (unionfind_union): Likewise.
6382 (union_defs): Likewise and generalize to use callback function.
6383 (web_main): Update arguments for union_defs function call.
6385 2006-05-04 Richard Guenther <rguenther@suse.de>
6387 PR tree-optimization/26447
6388 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6389 produce SSA_NAME copies before the store stmt to avoid
6390 breaking exception handling.
6392 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6395 * gimplify.c (omp_is_private): If var is shared in some outer context,
6396 return false instead of true. Stop searching on parallel context
6399 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6402 * coverage.c: Use get_gcov_unsigned_t() instead of
6403 unsigned_type_node all over.
6405 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6407 PR tree-optimization/27381
6408 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6409 maintain the same immediate_use links.
6410 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6411 node rather than segfaulting.
6413 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6416 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6417 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6418 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6420 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6422 Fix PR tree-optimization/26626
6423 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6425 * tree-ssa-operands.c (access_can_touch_variable): Allow
6426 typecasting through union pointers.
6428 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6431 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6432 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6433 to find if var will be a global variable even in the nested context.
6434 (omp_copy_decl): Only check for global variable at the end, it might
6435 be overridden in outer contexts.
6436 (scan_sharing_clauses): For global variables don't create a field.
6437 (lower_rec_input_clauses): Do nothing for global shared variables.
6438 Emit a barrier at the end of ILIST if there were any decls in both
6439 firstprivate and lastprivate clauses.
6440 (lower_send_clauses): Do nothing for global variables except for
6443 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6445 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6446 of the correct signedness is returned.
6448 2006-05-02 Jeff Law <law@redhat.com>
6450 PR tree-optimization/27364
6451 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6452 multiply expressions.
6454 2006-05-02 Tom Tromey <tromey@redhat.com>
6456 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6458 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6461 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6462 -mthumb -fPIC are used.
6464 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6465 Joshua Kinard <kumba@gentoo.org>
6468 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6469 with 64-bit pointers.
6471 2006-05-02 Paul Brook <paul@codesourcery.com>
6473 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6475 (create_fix_barrier): Check that a suitable barrier location is
6477 (arm_reorg): Include ftmp->address in allowable range of addresses.
6479 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6482 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6485 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6488 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6489 around RESULT_DECL for result passed by reference.
6490 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6491 * omp-low.c (use_pointer_for_field): Don't look at
6492 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6493 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6494 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6495 time or var for passing by reference for
6496 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6497 TREE_ADDRESSABLE variables when passing by reference.
6499 * omp-low.c (dump_omp_region): Fix output formatting.
6502 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6503 (expand_omp_parallel): Likewise.
6504 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6507 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6508 on statement list containing also constructors and destructors.
6509 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6512 * except.c (duplicate_eh_regions): Fix clearing of
6513 cfun->eh->region_array entries.
6515 2006-05-01 DJ Delorie <dj@redhat.com>
6517 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6519 (gcc_cv_objdump): Likewise.
6520 * configure: Regenerated.
6522 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6525 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6526 templates for case 3 and 4.
6528 2006-05-01 DJ Delorie <dj@redhat.com>
6530 * vec.c: Include bconfig.h when appropriate.
6531 * Makefile.in (build/vec.o): Adjust dependencies.
6532 * mkconfig.sh: Make sure config.h isn't used for build machine
6535 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6537 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6539 (mark_phi_for_rewrite): New function.
6540 (insert_phi_nodes_for, mark_use_interesting): Call
6541 mark_phi_for_rewrite.
6542 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6543 (update_ssa): Initialize and free phis_to_rewrite.
6545 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6547 PR rtl-optimization/27291
6548 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6549 folded to a constant.
6551 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6553 PR tree-optimization/27283
6554 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6555 not whole # of iteration descriptions.
6556 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6557 uses abnormal ssa name.
6558 (niter_for_single_dom_exit): Ditto.
6559 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6560 return just the number of iterations.
6562 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6564 PR tree-optimization/27144
6565 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6566 (record_estimate): Only record constant upper bound.
6567 (infer_loop_bounds_from_undefined): Call
6568 compute_estimated_nb_iterations just once.
6569 (proved_non_wrapping_p): Renamed to ...
6570 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6571 (convert_step_widening, scev_probably_wraps_p): Call
6572 n_of_executions_at_most instead of proved_non_wrapping_p.
6573 (substitute_in_loop_info): Do not replace values in bounds.
6574 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6577 2006-05-01 Richard Henderson <rth@redhat.com>
6580 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6581 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6584 2006-05-01 Roger Sayle <roger@eyesopen.com>
6586 * c-typeck.c (parser_build_binary_op): Don't call the function
6587 unsigned_conversion_warning to spot operand/result type overflow.
6588 (build_binary_op): Instead, call convert_and_check instead of
6589 convert to report the problem when the operands are promoted.
6590 * c-common.c (unsigned_conversion_warning): Make static.
6591 * c-common.h (unsigned_conversion_warning): Delete prototype.
6593 2006-05-01 Richard Guenther <rguenther@suse.de>
6595 PR tree-optimization/26726
6596 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6598 (find_interesting_uses_address): ... we work around here
6599 by folding INDIRECT_REFs in the substituted base.
6601 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6603 * omp-low.c (dump_omp_region): Add newlines.
6605 2006-04-30 Roger Sayle <roger@eyesopen.com>
6607 * common.opt (Woverflow): New command line option.
6608 * c-common.c (constant_expression_warning): Check warn_overflow.
6609 (overflow_waring): Pass OPT_Woverflow to warning.
6610 (unsigned_conversion_warning): Likewise.
6611 (convert_and_check): Likewise.
6612 * doc/invoke.texi: Document new command line option.
6614 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6616 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6617 TARGET_NO_FP_IN_TOC for section anchors.
6618 (optimization_options): Enable section anchors for all
6619 non-"Objective" languages.
6621 2006-04-28 Eric Christopher <echristo@apple.com>
6623 * config/darwin-c.c (darwin_ms_struct): Move this
6624 (darwin_set_default_type_attributes): and this...
6625 * config/darwin.c: ... here.
6626 * config/darwin.h (darwin_ms_struct): Declare.
6628 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6630 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6632 2006-04-28 Roger Sayle <roger@eyesopen.com>
6635 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6636 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6637 an unsigned HOST_WIDE_INT.
6638 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6640 (really_start_incremental_init): No need to call convert because
6641 bitsize_zero_node is already of type bitsizetype.
6642 (push_init_level): Extract the value of constructor_index as an
6643 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6644 (process_init_element): Likewise.
6646 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6648 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6649 value before passing to make_relative_prefix.
6651 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6654 * builtins.c (expand_builtin_memset): Expand val in original mode.
6656 2006-04-27 Eric Christopher <echristo@apple.com>
6658 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6659 with #ifndef/#endif.
6660 * config/darwin-c.c (darwin_ms_struct): New.
6661 (darwin_pragma_ms_struct): Ditto.
6662 (darwin_set_default_type_attributes): Ditto.
6663 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6664 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6665 Register ms_struct pragma.
6666 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6667 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6668 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6669 darwin_set_default_type_attributes if TARGET_MACHO.
6671 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6673 PR tree-optimization/26854
6674 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6675 * doc/tree-ssa.texi: Update immuse iterator documentation.
6676 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6677 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6678 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6679 first_safe_imm_use, next_safe_imm_use): Remove.
6680 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6681 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6682 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6683 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6684 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6685 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6686 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6687 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6688 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6689 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6690 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6691 (perfect_nestify): Use new iterator.
6692 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6694 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6695 (next_imm_name): New field in struct immediate_use_iterator_d.
6696 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6697 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6698 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6699 * tree-cfg.c (replace_uses_by): Use new iterator.
6700 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6701 * tree-ssa-operands.c (correct_use_link): Remove.
6702 (finalize_ssa_use_ops): No longer call correct_use_link.
6704 2006-04-27 Stuart Hastings <stuart@apple.com>
6706 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6707 * config/t-darwin (crt3.o): Use it.
6708 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6709 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6710 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6711 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6712 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6715 2006-04-27 Roger Sayle <roger@eyesopen.com>
6717 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6718 size, force the intermediate into a new pseudo rather instead of
6719 performing both a bitwise AND and a bitwise IOR in memory.
6721 2006-04-27 Richard Guenther <rguenther@suse.de>
6723 PR rtl-optimization/26685
6724 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6725 this one "max-flow-memory-locations".
6727 2006-04-27 Richard Guenther <rguenther@suse.de>
6729 PR tree-optimization/25148
6730 * tree-vrp.c (compare_values): Remove code dealing with
6731 comparisons against type min/max value. Honour overflow
6732 and negative constants in code dealing with comparisons
6733 of plus and minus expressions.
6734 (value_inside_range): Use fold_binary with LE_EXPR and
6735 GE_EXPR rather than compare_values.
6737 2006-04-27 Dirk Mueller <dmueller@suse.de>
6739 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6742 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6744 * basic-block.h (safe_insert_insn_on_edge): Removed.
6745 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6747 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6748 Paolo Bonzini <bonzini@gnu.org>
6751 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6752 (simplify_and_const_int): Same.
6754 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6756 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6758 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6761 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6762 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6763 cgraph_global_info_ready.
6766 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6769 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6770 either decl or init is error_mark_node.
6773 * tree-flow.h (struct omp_region): Add sched_kind.
6774 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6775 instead of extracting omp for data.
6776 (expand_omp_for): Save extracted sched_kind.
6778 2006-04-25 Roger Sayle <roger@eyesopen.com>
6780 * expmed.c (store_bit_field): Also check whether the bitsize is
6781 valid for the machine's "insv" instruction before moving the
6782 target into a pseudo for use with the insv.
6783 * config/i386/predicates.md (const8_operand): New predicate.
6784 * config/i386/i386.md (extv, extzv, insv): Use the new
6785 const8_operand predicate where appropriate.
6787 2006-04-25 DJ Delorie <dj@redhat.com>
6789 * doc/install.texi (Specific): Clarify that this is not a list of
6790 supported hosts or targets.
6792 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6794 PR rtl-optimization/26725
6795 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6796 block's BB_DIRTY flag.
6798 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6800 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6803 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6804 to print an integer.
6806 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6808 * varasm.c (align_variable): New function.
6809 (get_block_for_decl): Apply align_variable to DECL before
6810 calculating section information.
6811 (assemble_variable): Split out alignment computation.
6813 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6815 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6818 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6820 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6821 MODE_PARTIAL_INT mode.
6822 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6823 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6825 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6826 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6828 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6830 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6832 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6833 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6834 MACFLAG_IH): Likewise.
6835 (movstricthi_1): Renamed from "*movstricthi".
6836 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6837 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6838 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6839 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6840 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6841 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6842 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6843 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6844 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6845 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6846 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6847 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6848 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6849 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6850 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6852 * doc/rtl.texi (ss_ashift): Improve wording.
6854 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6856 * dwarf2out.c (verify_marks_clear): New.
6857 (prune_unused_types): Call verify_marks_clear initially, not
6860 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6862 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6863 * doc/rtl.texi: Document them.
6864 * simplify-rtx.c (simplify_unary_operation,
6865 simplify_binary_operation_1): Don't abort when we see them.
6867 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6870 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6871 * configure.ac: Completely disregard languages that are not
6873 * configure: Regenerated.
6875 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6876 Richard Guenther <rguenther@suse.de>
6878 PR tree-optimization/27236
6879 * tree-inline.c (copy_body_r): Make sure to copy
6880 TREE_THIS_VOLATILE flag.
6882 2006-04-24 Richard Guenther <rguenther@suse.de>
6885 * tree-complex.c (update_parameter_components): Don't handle
6886 unused parameters which have no default def.
6888 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6889 Richard Guenther <rguenther@suse.de>
6891 PR tree-optimization/27218
6892 * tree-inline.c (expand_call_inline): Strip useless type
6893 conversions for the return slot address.
6895 2006-04-24 Richard Guenther <rguenther@suse.de>
6897 * cfgloop.h (struct loops): Remove unused field array. Reorder
6899 (LOOP_PREFETCH): Remove.
6901 2006-04-24 Richard Guenther <rguenther@suse.de>
6903 PR tree-optimization/22525
6904 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6905 variable, adjust types of generated expressions.
6907 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6909 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6910 (tree-vect-patterns.o): Likewise.
6912 (cselib.o): Likewise.
6913 (loop-doloop.o): Likewise.
6914 (regclass.o): Likewise.
6915 (reload1.o): Likewise.
6916 (explow.o): Replace target.h with $(TARGET_H).
6917 (ipa-prop.o): Likewise.
6918 (ipa-cp.o): Likewise.
6919 (ipa-inline.o): Likewise.
6920 (reorg.o): Likewise.
6921 (reg-stack.o): Likewise.
6923 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6925 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6927 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6929 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6931 * configure.ac: Completely disregard languages that are not
6933 * configure: Regenerated.
6936 * c-common.h (c_build_bitfield_integer_type): Declare.
6937 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6938 * c-common.c (c_build_bitfield_integer_type): ... here.
6940 2006-04-23 Roger Sayle <roger@eyesopen.com>
6943 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6944 a SImode SUBREG of a floating point register after no_new_pseudos.
6946 2006-04-23 Roger Sayle <roger@eyesopen.com>
6948 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6949 identify potentially eliminable registers to additionally catch
6950 VIRTUAL_INCOMING_ARGS_REGNUM.
6951 (addsi3): Update the conditions on when to use addsi_small_int.
6953 2006-04-23 Roger Sayle <roger@eyesopen.com>
6956 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6957 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6958 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6960 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6962 * fold-const.c (range_predecessor): Use operand_equal_p
6963 as the predicate for equality.
6964 (range_successor): Likewise.
6966 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6969 * config/soft-fp/op-common.h: Fix a typo.
6971 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6974 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6975 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6977 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6979 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6981 * doc/tm.texi: Fix a typo.
6983 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6985 * dwarf2out.c (struct die_struct): Document that die_sib makes
6986 a circular linked list.
6987 (FOR_EACH_CHILD): New.
6988 (reverse_die_lists): Delete.
6989 (reverse_all_dies): Delete.
6990 (add_dwarf_attr): Correct documentation.
6991 (remove_child_with_prev): New.
6992 (remove_child_TAG): Update for change to die_struct, use
6993 remove_child_with_prev.
6994 (add_child_die): Update for change to die_struct.
6995 (splice_child_die): Use remove_child_with_prev and add_child_die.
6996 (print_die): Use FOR_EACH_CHILD.
6997 (die_checksum): Likewise.
6998 (assign_symbol_names): Likewise.
6999 (output_location_lists): Likewise.
7000 (build_abbrev_table): Likewise.
7001 (calc_die_sizes): Likewise.
7002 (mark_dies): Likewise.
7003 (unmark_dies): Likewise.
7004 (unmark_all_dies): Likewise.
7005 (output_die): Likewise.
7006 (prune_unused_types_mark): Likewise.
7007 (prune_unused_types_walk): Likewise.
7008 (same_die_p): Update for change to die_struct.
7009 (break_out_includes): Likewise.
7010 (prune_unused_types_prune): Likewise.
7011 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7012 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7014 (dwarf2out_finish): Don't call reverse_all_dies.
7016 2006-04-21 Eric Christopher <echristo@apple.com>
7018 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7019 in comments and function names.
7021 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7024 * c-typeck.c (digest_init): Robustify.
7026 * c-typeck.c (pop_init_level): Simplify.
7028 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7030 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7032 2006-04-21 Paul Brook <paul@codesourcery.com>
7034 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7035 hardware floating point.
7037 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7039 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7042 2006-04-21 Nick Clifton <nickc@redhat.com>
7044 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7047 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7050 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7051 C++ lang type in traceback table for Objective-C++.
7053 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7055 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7057 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7059 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7062 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7063 were errors. Remove check for erroneous objects.
7065 2006-04-20 Jeff Law <law@redhat.com>
7067 PR tree-optimization/26854
7068 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7069 checking for zero or one use.
7070 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7071 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7072 * tree-ssa-reassoc.c (negate_value): Similarly.
7073 (reassociate_bb): Similarly.
7075 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7077 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7078 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7079 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7081 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7083 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7084 fp regs if the last fp arg doesn't fit in regs.
7086 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7089 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7090 that the last insn has the REG_INC note.
7092 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7093 Nathan Sidwell <nathan@codesourcery.com>
7096 * stor-layout.c (update_alignment_for_field): Do not align
7098 (place_union_field): Place union field at the start of the union.
7099 (place_field): Move ERROR_MARK check later, and use the current
7100 allocation position to maintain monotonicity.
7102 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7104 * dominance.c: Include timevar.h.
7105 (calculate_dominance_info): Use TV_DOMINANCE.
7106 * timevar.def (TV_DOMINANCE): New timevar.
7107 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7109 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7111 PR rtl-optimization/14261
7112 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7113 move would be an INSV insn.
7114 (noce_process_if_block): Don't optimize if the destination is a
7115 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7117 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7119 * config/s390/s390.md: Add comments with the instructions emitted
7120 by an insn pattern if macros are used.
7122 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7124 PR rtl-optimization/26026
7125 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7126 is a known power of two shifted left a variable amount.
7128 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7130 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7131 to hash table twice when the debug_str section has SECTION_MERGE.
7133 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7135 * config/soft-fp: New directory. From glibc.
7136 * config/soft-fp/t-softfp: New.
7137 * config/soft-fp/README: New.
7138 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7139 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7140 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7141 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7142 * config.gcc: Use rs6000/t-fprules-fpbit or
7143 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7145 * config/rs6000/sfp-machine.h: New. Based on glibc.
7146 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7148 * config/rs6000/t-fprules: Remove fp-bit rules.
7149 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7150 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7151 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7152 (softfp_wrap_start, softfp_wrap_end): New.
7154 2006-04-18 DJ Delorie <dj@redhat.com>
7156 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7158 2006-04-18 Devang Patel <dpatel@apple.com>
7160 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7162 2006-04-18 Nick Clifton <nickc@redhat.com>
7164 * config/sh/t-symbian: Add rule to build sh-c.o
7165 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7166 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7167 (sh_symbian_encode_section_info): Likewise.
7169 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7171 * builtins.c (expand_builtin_strcmp): Cover label definition of
7172 do_libcall with HAVE_cmpstrnsi.
7174 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7176 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7178 * function.h (temp_slot_p): New.
7179 (function): Change the type of x_used_temp_slots to
7180 VEC(temp_slot_p,gc) *.
7182 2006-04-18 Nick Clifton <nickc@redhat.com>
7184 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7185 flag_strength_reduce.
7187 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7189 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7193 Partial revert of revision 112637
7194 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7195 Dale Johannesen <dalej@apple.com>
7198 * regclass.c (struct reg_pref): Update documentation.
7199 (regclass): Set prefclass to NO_REGS if memory is the best option.
7200 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7202 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7204 PR tree-optimization/26821
7205 * tree-ssa-math-opts.c (get_constant_one): New.
7206 (insert_reciprocals): Use it.
7208 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7210 * dwarf2out.c (free_AT): Delete.
7211 (remove_AT): Update string ref counts.
7212 (remove_child_TAG): Don't call free_die.
7214 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7215 or DW_TAG_GNU_EINCL.
7216 (prune_unused_types_walk_attribs): Reset string refcounts.
7217 (prune_unused_types_update_strings): New.
7218 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7219 call free_die. Do call prune_unused_types_update_strings.
7220 (prune_unused_types): Empty debug_str_hash.
7222 2006-04-17 Roger Sayle <roger@eyesopen.com>
7224 * expr.c (expand_assignment): Optimize away no-op moves where the
7225 source and destination are equal and have no side-effects.
7227 2006-04-17 Richard Guenther <rguenther@suse.de>
7230 * reload.c (push_reload): Guard calls to get_secondary_mem
7233 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7235 * alias.c (reg_base_value, old_reg_base_value): Change the
7236 type to VEC(rtx,gc) *.
7237 (REG_BASE_VALUE, find_base_value, record_set,
7238 init_alias_analysis): Use VEC instead of VARRAY.
7240 * alias.c (alias_sets): Change the type to
7241 VEC(alias_set_entry,gc) *.
7242 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7243 VEC instead of VARRAY.
7244 (last_alias_set): Remove.
7246 * cgraph.h (cgraph_edge_p): New.
7247 Update the prototype of cgraph_function_versioning.
7248 * cgraphunit.c (cgraph_copy_node_for_versioning,
7249 cgraph_function_versioning): Use VEC instead of VARRAY.
7250 * ipa-cp.c (ipcp_insert_stage): Likewise.
7252 2006-04-16 Roger Sayle <roger@eyesopen.com>
7255 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7256 "A op B" or "A op C", we may need to convert A to the type of B and C.
7258 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7260 * target.h (struct gcc_target): Add mode_rep_extended.
7261 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7262 (init_num_sign_bit_copies_in_rep): Initialize it using
7264 (truncate_to_mode): Use it.
7265 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7266 * targhooks.h (default_mode_rep_extended): Declare it.
7267 * targhooks.c (default_mode_rep_extended): Define it.
7268 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7269 default_mode_rep_extended.
7270 (TARGET_INITIALIZER): Include it.
7271 * doc/tm.texi (Misc): Document it.
7272 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7273 (mips_truncated_to_mode): New function.
7275 2006-04-16 Roger Sayle <roger@eyesopen.com>
7278 * expr.c (compress_float_constant): Copy the narrow constant into
7279 a new pseudo before extending it to its final width.
7281 2006-04-16 Roger Sayle <roger@eyesopen.com>
7282 Andrew Pinski <pinskia@gcc.gnu.org>
7283 Dale Johannesen <dalej@apple.com>
7286 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7287 special case code to implement V8HImode and V16QImode with SSE2.
7289 2006-04-15 Roger Sayle <roger@eyesopen.com>
7291 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7292 trees are constructed with a suitable tree type.
7294 2006-04-15 Roger Sayle <roger@eyesopen.com>
7296 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7297 (integer_onep): Likewise.
7298 (integer_all_onesp): Likewise.
7299 (integer_pow2p): Likewise.
7300 (integer_nonzerop): Likewise.
7301 (real_zerop): Likewise.
7302 (real_onep): Likewise.
7303 (real_twop): Likewise.
7304 (real_minus_onep): Likewise.
7305 (int_size_in_bytes): Likewise.
7306 (host_integerp): Likewise.
7308 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7310 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7311 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7312 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7314 * tree-ssa-structalias.h (alias_info): Remove num_references.
7316 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7318 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7319 (output_bvb patterns): Likewise.
7320 * pa.c (output_bb): Use 'bb' insn for long branch case.
7321 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7322 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7323 1. Correct length operand for alternatives 1 and 2.
7324 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7325 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7327 2006-04-14 Roger Sayle <roger@eyesopen.com>
7329 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7330 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7331 were accidentally reverted by r112959.
7333 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7336 * except.h (eh_region_outermost): New prototype.
7337 * except.c (eh_region_outermost): New function.
7338 * tree-cfg.c (find_outermost_region_in_block): Use it.
7340 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7342 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7344 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7345 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7346 (init_reload, reload): Use VEC instead of VARRAY.
7347 * reload.h: Update the prototype for
7348 reg_equiv_memory_loc_varray.
7350 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7351 Eric Botcazou <ebotcazou@libertysurf.fr>
7353 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7356 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7359 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7360 to expand fallback builtin function call.
7362 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7365 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7366 and emit libcall here in case the builtin fails.
7367 (expand_builtin_strcmp): Always emit the libcall here on failure.
7369 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7371 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7372 * flow.c (reg_n_info): Change the type to
7373 VEC(reg_info_p,heap) *.
7374 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7376 * regs.h (reg_info_p): New.
7377 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7378 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7379 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7382 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7384 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7386 * params.h (MAX_SCHED_READY_INSNS): New macro.
7387 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7388 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7389 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7390 the ready list for 1 cycle during the first scheduling pass.
7391 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7393 2006-04-13 Richard Henderson <rth@redhat.com>
7396 * gimple-low.c (lower_omp_directive): Remove dead code.
7397 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7398 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7399 * omp-low.c (struct omp_region): Move to tree-flow.h.
7400 (root_omp_region): Export.
7401 (omp_regions, lookup_omp_region): Remove.
7402 (determine_parallel_type): Update for struct omp_region changes.
7403 (dump_omp_region): Dump regions with block numbers.
7404 (new_omp_region): Take type and block instead of stmt; malloc
7406 (free_omp_region_1, free_omp_regions): New.
7407 (expand_parallel_call): Take entry_stmt as argument; update for
7408 changes to omp_region.
7409 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7410 (remove_exit_barriers): New.
7411 (expand_omp_parallel): Update for struct omp_region changes.
7412 (expand_omp_synch): Likewise.
7413 (expand_omp): Likewise.
7414 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7415 (expand_omp_for_static_chunk): Likewise.
7416 (expand_omp_for): Likewise.
7417 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7418 (expand_omp_sections): Similarly, with GOMP_sections_end.
7419 (expand_omp_single): New.
7420 (build_omp_regions_1): Update for OMP_CONTINUE.
7421 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7422 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7423 OMP_SECTIONS_SECTIONS.
7424 (lower_omp_single_simple): Don't emit barrier here.
7425 (lower_omp_single_copy): Likewise.
7426 (lower_omp_single): Fix bindings, and lower to straightline now.
7427 (lower_omp_master, lower_omp_ordered): Likewise.
7428 (lower_omp_critical): Likewise.
7429 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7430 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7431 omp edges, free it afterward.
7432 (make_omp_sections_edges): Remove.
7433 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7434 (move_stmt_r): Handle OMP_CONTINUE.
7435 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7436 statement pointers to basic blocks. Add type member.
7437 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7438 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7439 * tree-inline.c (estimate_num_insns_1): Likewise.
7440 * tree-pretty-print.c (dump_generic_node): Likewise.
7441 * tree-ssa-operands.c (get_expr_operands): Likewise.
7442 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7443 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7444 (OMP_CONTINUE): New.
7445 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7446 (OMP_SECTIONS_SECTIONS): Remove.
7447 (OMP_SECTION_LAST): New.
7448 (OMP_RETURN_NOWAIT): New.
7450 2006-04-13 Roger Sayle <roger@eyesopen.com>
7452 * fold-const.c (native_encode_vector, native_interpret_real):
7453 Correct obvious mistakes in the previous check-in.
7455 2006-04-13 Roger Sayle <roger@eyesopen.com>
7457 * fold-const.c (native_encode_expr): New function to encode
7458 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7459 or VECTOR_CST into a specified buffer.
7460 (native_encode_int): New function.
7461 (native_encode_real): New function.
7462 (native_encode_complex): New function.
7463 (native_encode_vector): New function.
7464 (native_interpret_expr): Inverse of native_encode_expr to convert
7465 a target representation into an INTEGER_CST, REAL_CST etc...
7466 (native_interpret_int): New function.
7467 (native_interpret_real): New function.
7468 (native_interpret_complex): New function.
7469 (native_interpret_vector): New function.
7470 (fold_view_convert_expr): New function to constant fold/evaluate
7471 a VIEW_CONVERT_EXPR of a suitable constant expression.
7472 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7473 Change call of build1 to fold_build1 when constructing a
7476 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7477 Ulrich Weigand <uweigand@de.ibm.com>
7480 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7483 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7486 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7487 optimize to lo_sum for DFmode if !TARGET_FPRS.
7489 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7491 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7492 delete_alias_info, compute_flow_sensitive_aliasing,
7493 group_aliases): Use VEC instead of VARRAY.
7494 * tree-ssa-structalias.c (update_alias_info): Likewise.
7495 * tree-ssa-structalias.h (alias_info): Change the type of
7496 processed_ptrs to VEC(tree,heap) *.
7498 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7501 * config/sh/lib1funcs.h: New file, broken out of:
7502 * config/sh/lib1funcs.asm.
7503 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7505 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7506 * config/sh/lib1funcs-Os-4-200.asm: New file.
7507 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7508 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7509 (EXTRA_MULTILIB_PARTS): Include it.
7510 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7511 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7512 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7513 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7516 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7518 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7519 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7520 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7522 * tree-ssa-live.h: Include vecprim.h.
7523 (tree_partition_associator_d): Change the type of
7524 first_partition to VEC(int,heap) *.
7525 (tpa_first_partition): Use VEC instead of VARRAY.
7527 * Makefile.in (GTFILES): Move functions.h after tree.h.
7528 * function.c (reset_block_changes, record_block_change,
7529 check_block_change, free_block_changes): Use VEC instead of
7531 * function.h (function): Change the type of
7532 ib_boundaries_block to VEC(tree,gc) *.
7533 * tree-inline.c (copy_cfg_body): Initialize
7534 ib_boundaries_block to NULL instead of (varray_type) 0.
7536 2006-04-12 Roger Sayle <roger@eyesopen.com>
7538 * expr.c (emit_group_store): Correct operand order in call to
7539 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7540 a SUBREG_BYTE of zero.
7542 2006-04-12 Richard Guenther <rguenther@suse.de>
7544 * profile.c (compute_branch_probabilities): Remove code
7545 encapsulated in !ir_type (), which are remanents of the
7546 removed RTL profiling code.
7547 * rtl-profile.c: Remove.
7549 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7551 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7552 magic NULL_RTX comment.
7553 (function_arg): Store entire fp arg to mem if any part should go
7555 (rs6000_arg_partial_bytes): Adjust for above change.
7557 2006-04-11 Roger Sayle <roger@eyesopen.com>
7559 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7560 if it hasn't been initialized by dwarf2out_init.
7562 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7564 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7565 symbolic constants in branch patterns.
7567 2006-04-11 Roger Sayle <roger@eyesopen.com>
7569 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7571 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7573 PR rtl-optimization/27073
7574 * gcse.c (try_replace_reg): Revert last change. Continue to search
7575 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7578 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7580 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7581 aggregate types other than record and union types.
7582 (function_arg): Likewise.
7583 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7585 (function_value): In 64-bit mode, return objects that require it
7588 2006-04-11 Roger Sayle <roger@eyesopen.com>
7590 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7592 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7594 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7596 2006-04-03 Jeff Law <law@redhat.com>
7599 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7600 alias information too.
7602 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7604 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7606 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7609 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7610 (premark_used_types_helper): New.
7611 (premark_used_types): New.
7612 (gen_subprogram_die): Call premark_used_types.
7613 (prune_unused_types_walk): Do not prune perennial dies.
7614 * function.c (used_types_insert): New.
7615 * function.h (struct function): Add used_types_hash field.
7616 (used_types_insert): Add prototype.
7617 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7618 * c-parser.c (c_parser_cast_expression): Save casted types in used
7621 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7624 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7625 rs6000_explicit_options.float_gprs.
7627 2006-04-10 Roger Sayle <roger@eyesopen.com>
7629 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7630 from ix86_expand_vector_init_low_nonzero. Take an additional
7631 one_var argument indicating which element is non-zero. Support
7632 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7633 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7634 with one_var instead of ix86_expand_vector_init_low_nonzero.
7636 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7638 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7639 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7640 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7641 build/genextract.o): Depend on vecprim.h.
7642 * cfglayout.c, df-problems.c, function.c, genextract.c,
7643 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7644 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7648 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7650 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7651 Declare VECs of this type.
7652 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7653 (remove_children): Delete.
7654 (add_dwarf_attr): Use VEC routines.
7655 (add_AT_flag): Update for changes to add_dwarf_attr.
7656 (add_AT_int): Likewise.
7657 (add_AT_unsigned): Likewise.
7658 (add_AT_long_long): Likewise.
7659 (add_AT_vec): Likewise.
7660 (add_AT_string): Likewise.
7661 (add_AT_die_ref): Likewise.
7662 (add_AT_fde_ref): Likewise.
7663 (add_AT_loc): Likewise.
7664 (add_AT_loc_list): Likewise.
7665 (add_AT_addr): Likewise.
7666 (add_AT_lbl_id): Likewise.
7667 (add_AT_lineptr): Likewise.
7668 (add_AT_macptr): Likewise.
7669 (add_AT_offset): Likewise.
7670 (add_AT_range_list): Likewise.
7671 (get_AT): Use VEC_iterate.
7672 (remove_AT): Use VEC_ordered_remove.
7673 (free_die): Fold remove_children into here; have it use VEC_iterate.
7674 (print_die): Use VEC_iterate on attrs.
7675 (reverse_die_lists): Don't reverse attr lists.
7676 (die_checksum): Use VEC_iterate on attrs.
7677 (same_die_p): Likewise.
7678 (output_location_lists): Likewise.
7679 (build_abbrev_table): Likewise.
7680 (size_of_die): Likewise.
7681 (unmark_all_dies): Likewise.
7682 (output_abbrev_section): Likewise.
7683 (output_die): Likewise.
7684 (prune_unused_types_walk_attribs): Likewise.
7686 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7688 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7690 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7693 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7695 2006-04-09 Roger Sayle <roger@eyesopen.com>
7697 * expr.c (store_constructor): Don't bother clearing target if
7698 we're about to assign a vector to it using vec_init_optab.
7700 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7702 * tree-ssa-alias.c (lhs_may_store_to): New function.
7703 (recalculate_used_alone): Handle LHS of calls.
7705 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7709 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7710 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7711 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7712 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7713 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7714 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7715 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7716 stubs. Add ".align 8" directives before all ".dword" directives.
7717 (GTHREAD_USE_WEAK): Revise comment.
7718 (TARGET_ATTRIBUTE_WEAK): Define.
7719 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7720 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7721 * stublib.c: New file.
7726 * pa.md (cbranch patterns): Revise arguments used in calls to
7727 output_cbranch, output_bb and output_bvd. Add long branch length
7729 (fbranch patterns): Handle long branches.
7730 (jump): Revise length check. Revise arguments for output_lbranch call.
7731 Add long branch length attributes.
7732 (decrement_and_branch_until_zero): Add long branch length attributes.
7733 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7734 Likewise. Revise arguments for output_parallel_addb and
7735 output_parallel_movb calls.
7736 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7737 output_parallel_movb and output_parallel_addb): Update prototypes.
7738 * pa.c (output_cbranch): Revise arguments. Correct handling of
7739 nullification in long branches.
7740 (output_lbranch): Add new argument to control extraction of delay
7742 (output_bb): Handle long branches.
7743 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7744 output_parallel_addb): Likewise.
7746 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7748 PR rtl-optimization/27073
7749 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7752 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7754 * tree.h (tree_memory_tag): Add old_used_alone.
7755 (SMT_OLD_USED_ALONE): New macro.
7756 * tree-ssa-alias.c (recalculate_used_alone): Stop
7757 marking things for renaming unnecessarily.
7759 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7761 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7762 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7763 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7764 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7765 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7766 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7767 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7768 spelling convensions.
7769 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7770 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7771 typos. Follow spelling conventions.
7773 2006-04-07 DJ Delorie <dj@redhat.com>
7775 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7776 passed on the stack.
7777 (m32c_init_cumulative_args): When a function returns a structure,
7778 always pass the pointer to that return area on the stack.
7779 (m32c_function_arg_advance): Don't increment the parameter number
7780 if we're processing the returned structure pointer.
7781 (pushm_info): Reverse order of registers.
7783 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7785 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7786 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7787 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7788 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7790 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7791 chrec_fold_multiply): Same.
7792 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7793 force_expr_to_var_cost): Same.
7794 * tree-mudflap.c (mf_xform_derefs_1): Same.
7795 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7797 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7799 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7800 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7803 2006-04-07 Jan Hubicka <jh@suse.cz>
7805 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7807 2006-04-07 Richard Guenther <rguenther@suse.de>
7809 PR tree-optimization/26135
7810 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7811 loads for store copy-prop.
7812 (copy_prop_visit_stmt): Likewise.
7814 2006-04-05 Robert Millan <robertmh@gnu.org>
7816 * config/i386/linux.h: Add a comment to mark macros that are
7817 being overriden in config/k*bsd-gnu.h.
7818 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7820 * config/knetbsd-gnu.h: Ditto.
7822 2006-04-06 Jan Hubicka <jh@suse.cz>
7826 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7829 2006-04-06 Mike Stump <mrs@apple.com>
7831 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7832 for HAVE_nonlocal_goto to be consistent.
7833 (expand_builtin_nonlocal_goto): Likewise.
7834 (expand_builtin_strcmp): Use #ifdef instead of #if
7835 for HAVE_cmpstrnsi to be consistent.
7837 2006-04-05 DJ Delorie <dj@redhat.com>
7839 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7842 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7844 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7845 got-relative addressing for anything but SImode.
7847 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7848 even if the calling function doesn't modify them.
7850 2006-04-05 Richard Guenther <rguenther@suse.de>
7852 PR tree-optimization/26919
7853 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7854 to cgraph_estimate_size_after_inlining.
7856 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7858 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7860 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7862 PR tree-optimization/26996
7863 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7864 VECTOR_TYPE variables.
7866 2006-04-05 Richard Guenther <rguenther@suse.de>
7868 PR tree-optimization/26763
7869 * fold-const.c (fold_comparison): Move folding of
7870 PTR + CST CMP PTR + CST ...
7871 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7873 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7875 * doc/install.texi (Prerequisites): Refine some wording on
7876 bootstrapping and ksh.
7877 Move the version numbers of DejaGnu here from the testing section
7878 and fix casing of names.
7879 Fix markup and clarify wording for autogen requirements.
7880 Refer to GCJ instead of just java.
7881 Refer to SVN instead of CVS.
7882 Describe diffutils as useful instead of necessary.
7883 (Downloading the source): Refer to SVN instead of CVS.
7884 Adjust a link to our web site accordingly.
7885 (Configuration): Fix casing of Bison.
7886 (Building): Refer to SVN instead of CVS.
7887 Fix a sentence on the use of Bison and remove duplicate (and
7888 incorrect) version number of Bison requirement.
7889 Remove one redundant list of packages needed for building.
7890 (Specific): Avoid reference to CVS.
7892 2006-04-04 Eric Christopher <echristo@apple.com>
7894 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7895 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7896 (rs6000_handle_struct_attribute): New.
7897 (rs6000_ms_bitfield_layout_p): Ditto.
7899 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7901 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7902 NULL for dso parameter to atexit_common.
7904 2006-04-04 Eric Christopher <echristo@apple.com>
7906 * config/i386/i386.c (machopic_output_stub): Output \t
7907 between instructions and operands.
7909 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7911 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7912 satisfies_constraint_[IL] to explicit tests on value.
7914 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7916 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7917 set_nb_iterations_in_loop): Use build_int_cst instead of
7919 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7920 build_int_cst instead of convert.
7922 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7924 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7925 new value 2 for incoming.
7926 * function.c (expand_function_start): Call struct_value_rtx
7928 * config/sparc/sparc.md: Comment updated_return.
7929 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7930 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7931 struct return if sparc_std_struct_return and incoming is 2.
7932 (print_operand): Do not adjust return if
7933 sparc_std_struct_return.
7935 2006-04-04 Roger Sayle <roger@eyesopen.com>
7937 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7938 convert in the middle-end.
7939 * expr.c (store_expr, store_constructor, get_inner_reference,
7940 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7942 * tree.c (build_range_type): Likewise.
7944 2006-04-04 Tom Tromey <tromey@redhat.com>
7946 * doc/install.texi (Prerequisites): Mention jar.
7948 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7950 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7953 2006-04-04 Matthias Klose <doko@debian.org>
7955 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7959 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7962 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7964 * doc/extend.texi (Function Attributes): Rewrite visibility
7965 attribute documentation.
7966 * doc/invoke.texi (C++ Dialect Options): Rewrite
7967 -fvisibility-inlines-hidden documentation to describe something
7968 entirely different, although in practise compatible.
7969 (Code Gen Options): Warn about system headers in -fvisibility=
7972 * doc/extend.texi (Other Builtins): Document that
7973 __builtin_nan is a compile-time constant only when its argument
7976 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7978 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7979 trying to remove TRUNCATE check if all bits outside the new mode
7980 are identical to the sign bit.
7982 2006-04-03 Jeff Law <law@redhat.com>
7984 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7985 and operand scanning in some common cases.
7987 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7988 Dale Johannesen <dalej@apple.com>
7991 * regclass.c (struct reg_pref): Update documentation.
7992 (regclass): Set prefclass to NO_REGS if memory is the best option.
7993 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7994 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7995 into account. For non-registers, equate an empty preferred
7996 reload class to a `!' in the constraint; move the if clause to
7997 do so after those that reject the insn.
7998 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8000 (find_dummy_reload): Likewise.
8001 * doc/tm.texi (Register Classes): Document what it means
8002 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8003 * config/i386/i386.c (ix86_preferred_reload_class): Force
8004 using SSE registers (and return NO_REGS for floating-point
8005 constants) if math is done with SSE.
8006 (ix86_preferred_output_reload_class): New.
8007 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8008 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8009 * config/i386/i386.md: Remove # register preferences.
8011 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8014 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8015 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8016 the type of nb_iter.
8017 (instantiate_parameters_1): Convert the operands before calling
8018 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8019 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8021 2006-04-02 Roger Sayle <roger@eyesopen.com>
8023 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8024 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8026 * dojump.c (do_jump): Likewise.
8027 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8028 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8029 gimplify_boolean_expr): Likewise.
8030 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8031 * varasm.c (array_size_for_constructor): Likewise.
8032 * tree-object-size.c (compute_object_offset): Likewise.
8034 2006-04-02 Roger Sayle <roger@eyesopen.com>
8037 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8038 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8040 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8042 PR tree-optimization/26939
8043 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8045 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8047 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8048 at_stmt. Convert the type of operands before calling
8049 build_polynomial_chrec.
8050 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8052 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8053 (instantiate_parameters_1): Convert the type of operands before calling
8054 build_polynomial_chrec.
8055 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8056 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8057 reset_evolution_in_loop): Insert asserts to check the types of the
8059 (chrec_type): Moved...
8060 (eq_evolutions_p): Use operand_equal_p.
8061 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8062 the types of the operands.
8063 (chrec_type): ...here.
8064 * tree-data-ref.c (create_data_ref): Convert the operands before
8065 calling chrec_replace_initial_condition.
8066 (same_access_functions, analyze_subscript_affine_affine,
8067 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8068 (compute_subscript_distance, analyze_ziv_subscript,
8069 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8070 analyze_miv_subscript): Convert the operands before calling
8071 chrec_fold_minus or chrec_fold_plus.
8073 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8075 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8076 the dependence_relations vector.
8077 (compute_data_dependences_for_loop): Adjust call to
8078 compute_all_dependences.
8080 2006-04-01 Roger Sayle <roger@eyesopen.com>
8081 Richard Henderson <rth@redhat.com>
8083 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8084 gimple_boolify on the condition before calling gimplify_expr.
8086 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8088 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8089 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8090 the frame size. Update to use the new macros.
8091 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8092 * config/xtensa/ieee754-df.S: Likewise.
8094 2006-03-31 Richard Henderson <rth@redhat.com>
8096 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8097 (make_edges): ... here. Control fallthru creation with a local
8098 variable. Do not play with fake edges.
8099 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8100 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8103 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8105 * dwarf2.h (DW64_CIE_ID): Define.
8106 * dwarf2out.c (DWARF_CIE_ID): Define.
8107 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8108 length header. Use DWARF_CIE_ID.
8109 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8110 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8112 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8114 * config/sh/linux-atomic.asm: New file.
8115 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8117 2006-03-31 DJ Delorie <dj@redhat.com>
8119 * config/m32c/cond.md: Set condition flags properly throughout.
8120 * config/m32c/minmax.md: Likewise.
8121 * config/m32c/prologue.md: Likewise.
8122 * config/m32c/bitops.md: Likewise.
8123 * config/m32c/muldiv.md: Likewise.
8124 * config/m32c/mov.md: Likewise.
8125 * config/m32c/addsub.md: Likewise.
8126 * config/m32c/m32c.md: Likewise.
8127 * config/m32c/jump.md: Likewise.
8128 * config/m32c/shift.md: Likewise.
8130 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8131 conditionally output the pattern for this.
8132 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8133 (m32c_compare_redundant): New.
8134 (m32c_output_compare): New.
8135 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8137 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8138 dest, not src. Allow other 4-byte modes.
8140 2006-03-30 Denis Chertykov <denisc@overta.ru>
8142 * doc/md.texi: Refer to avr/constraints.md instead of
8145 2006-03-30 Roger Sayle <roger@eyesopen.com>
8147 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8148 signed vs. unsigned comparison failures on some hosts.
8150 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8153 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8154 change to FLOAT_REGS.
8156 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8157 (rs6000_override_options): Use it.
8158 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8159 only for -mabi=spe/no-spe and -mabi=altivec.
8161 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8163 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8166 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8168 * Makefile.in: Rename docdir to gcc_docdir.
8170 2006-03-30 Roger Sayle <roger@eyesopen.com>
8173 * expr.c (emit_group_store): Optimize group stores into a pseudo
8174 register by using a paradoxical subreg to initialize the destination
8175 if the first or last member of the group specifies a "low part".
8177 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8180 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8181 * target.h (struct gcc_target.speculate_insn): Change type of the
8182 second parameter to 'int'.
8183 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8184 the second operand of the DEPS_LIST.
8185 (copy_DEPS_LIST_list): Update reference to the second operand of the
8187 * rtl.h (alloc_DEPS_LIST): Update signature.
8188 * sched-int.h (ds_t): Change typedef to 'int'.
8189 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8191 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8193 * haifa-sched.c (try_ready): Change condition to restore
8194 non-speculative pattern of the instruction.
8195 (process_insn_depend_be_in_spec): Code to keep probability of the
8196 speculative dependence non-decreasing.
8198 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8200 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8201 (single_move_for_movmem): ... this. Also change all uses.
8202 (bfin_expand_strmov): Renamed to...
8203 (bfin_expand_movmem): ... this. Also change all uses.
8204 * config/bfin/bfin.md (movstrsi): Renamed to...
8205 (movstrsi): ...this.
8207 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8209 PR tree-optimization/26830
8211 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8212 (copy_prop_visit_stmt): Remove write-only variable ann.
8213 (init_copy_prop): Check variable loop depth here. Do not simulate
8214 memory-tag and virtual operand PHIs except for store copy prop.
8216 2006-03-30 Richard Guenther <rguenther@suse.de>
8218 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8219 variants with double arguments.
8221 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8223 * genpreds.c (write_tm_constrs_h): Delete variable p.
8224 * genconditions.c (write_header): Add tm-constrs.h to included
8226 * genpeep.c (main): Add toplev.h to included headers.
8227 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8228 (build/genpeep.o): Add toplev.h dependency.
8229 * config/rs6000/constraints.md: Add "W" constraint.
8231 2006-03-29 Roger Sayle <roger@eyesopen.com>
8233 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8234 sizes by correctly testing whether the size fits a host integer.
8235 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8236 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8237 SImode range for the default sizetype and bitsizetype.
8239 2006-03-29 Roger Sayle <roger@eyesopen.com>
8241 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8242 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8243 quickly if the argument is already of the correct type.
8244 Call fold_build1 instead of build1. Tidy up blank lines.
8246 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8248 * genemit.c (main): Add tm-constrs.h to included headers.
8249 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8250 * genpeep.c (main): Add tm-constrs.h to included headers.
8251 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8252 (write_tm_constrs_h): this and write complete file.
8253 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8254 (write_insn_preds_c): Add tm-constrs.h to included headers.
8255 (gen_constrs): New variable.
8256 (parse_option): Parse "-c".
8257 (main): Invoke write_tm_constrs_h.
8258 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8259 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8260 (object_out_file): Add tm-constrs.h dependency.
8261 (insn-emit.o): Same.
8262 (insn-output.o): Same.
8263 (insn-peep.o): Same.
8264 (insn-preds.o): Same.
8265 (insn-recog.o): Same.
8266 (tm-constsr.h): New target.
8267 (s-constrs-h): New target.
8269 * config/rs6000/constraints.md: New file.
8270 * config/rs6000/rs6000.c: Include tm-constrs.h.
8271 (num_insn_constant_wide): Convert to satisfies_constraint.
8272 (rs6000_rtx_costs): Convert to satisfies_constraint.
8273 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8274 (CONST_OK_FOR_LETTER_P): Delete.
8275 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8276 (EXTRA_CONSTRAINT): Delete.
8277 (EXTRA_MEMORY_CONSTRAINT): Delete.
8278 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8279 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8280 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8281 satisfies_constraint.
8283 * config/i386/i386.c: Include tm-constrs.h.
8285 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8287 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8288 * tree-data-ref.c (find_data_references_in_loop,
8289 compute_data_dependences_for_loop): Use pointers to VEC.
8290 (analyze_all_data_dependences): Adjust calls.
8291 * tree-data-ref.h (find_data_references_in_loop,
8292 compute_data_dependences_for_loop): Adjust declarations.
8293 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8294 compute_data_dependences_for_loop.
8296 2006-03-29 Paul Brook <paul@codesourcery.com>
8298 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8301 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8303 PR tree-optimization/26859
8304 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8306 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8307 for the step after fold_convert.
8309 2006-03-29 Paul Brook <paul@codesourcery.com>
8311 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8312 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8314 2006-03-29 Paul Brook <paul@codesourcery.com>
8317 * targhooks.c (default_narrow_bitfield): New fuction.
8318 * targhooks.h (default_narrow_bitfield): add prototype.
8319 * target.h (gcc_target): Add narrow_volatile_bitfield.
8320 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8321 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8322 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8323 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8325 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8327 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8329 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8330 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8331 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8332 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8333 (s390_function_arg_float): Allow SDmode and DDmode values to be
8334 passed in floating point registers.
8335 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8336 check with SCALAR_FLOAT_MODE_P.
8337 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8339 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8341 PR tree-optimization/25985
8342 * tree-ssa-loop-niter.c (number_of_iterations_le,
8343 number_of_iterations_ne): Make comments more precise.
8344 (number_of_iterations_cond): Add only_exit argument. Use the
8345 fact that signed variables do not overflow only when only_exit
8347 (loop_only_exit_p): New.
8348 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8349 number_of_iterations_cond.
8351 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8353 PR tree-optimization/26643
8354 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8357 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8359 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8360 (divsi3_i4_int): Likewise.
8362 2006-03-28 Roger Sayle <roger@eyesopen.com>
8364 * expr.c (emit_group_store): Only create a new pseudo reg if the
8365 quantity it needs to hold isn't already a suitable pseudo.
8367 2006-03-28 Jeff Law <law@redhat.com>
8369 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8370 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8372 2006-03-28 Roger Sayle <roger@eyesopen.com>
8374 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8375 the equivalent ~X & Y, and the symmetry related transformations.
8376 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8377 ~X & Y, and symmetry related transforms.
8379 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8381 Revert my 2006-03-27 patches.
8383 2006-03-28 Roger Sayle <roger@eyesopen.com>
8385 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8386 ~(T1)X, when T1 and T2 are integer types of the same precision
8387 and (T2)X isn't an extension.
8389 2006-03-28 Jeff Law <law@redhat.com>
8391 PR tree-optimization/26796
8392 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8393 need EH edge cleanups rather than purging them immediately.
8394 (eliminate_degenerate_phis): Handle queued EH cleanups.
8396 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8398 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8401 2006-03-27 Roger Sayle <roger@eyesopen.com>
8404 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8405 cast BIT_NOT_EXPR operand to the correct type.
8407 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8409 * tree-loop-linear.c: Don't include varray.h.
8410 (gather_interchange_stats, try_interchange_loops,
8411 linear_transform_loops): Use VEC instead of VARRAY.
8412 * lambda-mat.c: Don't include varray.h.
8413 * tree-chrec.c: Same.
8414 * lambda-trans.c: Same.
8415 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8416 VEC instead of VARRAY.
8417 * tree-vectorizer.h: Idem.
8418 * tree-data-ref.c (dump_data_references,
8419 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8420 initialize_data_dependence_relation, finalize_ddr_dependent,
8421 compute_all_dependences, find_data_references_in_loop,
8422 compute_data_dependences_for_loop, analyze_all_data_dependences,
8423 free_dependence_relation, free_dependence_relations,
8424 free_data_refs): Idem.
8425 * tree-data-ref.h (data_reference_p, subscript_p): New.
8426 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8427 VEC instead of VARRAY.
8428 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8429 (find_data_references_in_loop, compute_data_dependences_for_loop,
8430 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8431 dump_data_dependence_relations, free_dependence_relations,
8432 free_data_refs): Adjust declaration.
8433 (lambda_transform_legal_p): Move declaration here...
8434 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8435 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8436 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8437 vect_analyze_data_refs): Use VEC instead of VARRAY.
8438 * lambda.h (lambda_transform_legal_p): ...from here.
8439 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8440 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8441 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8442 tree-chrec.o): Don't depend on VARRAY_H.
8444 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8446 * rtl.def (Copyright): Update date.
8447 (DEPS_LIST): Change type of the second operand to 'int'.
8448 * target.h (Copyright): Update date.
8449 (struct gcc_target.speculate_insn): Change type of the second parameter
8451 * lists.c (Copyright): Update date.
8452 (alloc_DEPS_LIST): Change signature. Update reference to the second
8453 operand of the DEPS_LIST.
8454 (copy_DEPS_LIST_list): Update reference to the second operand of the
8456 * rtl.h (Copyright): Update date.
8457 (alloc_DEPS_LIST): Update signature.
8458 * sched-int.h (Copyright): Update date.
8459 (ds_t): Change typedef to 'int'.
8460 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8462 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8464 * haifa-sched.c (Copyright): Update date.
8465 (try_ready): Change condition to restore non-speculative pattern
8467 (process_insn_depend_be_in_spec): Code to keep probability of the
8468 speculative dependence non-decreasing.
8470 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8472 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8473 shut up the compiler.
8475 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8477 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8478 to use lib prefix for target.
8479 ($(T)libic_invalidate_array_4-200.a): Likewise.
8480 ($(T)libic_invalidate_array_4a.a): Likewise.
8482 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8483 J"orn Rennecke <joern.rennecke@st.com>
8485 * superh.opt: New file.
8486 * sh.c (boardtype, osruntime): Remove.
8487 * superh.h (SUBTARGET_OPTIONS): Remove.
8488 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8490 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8491 arguments with ^ and/or [].
8493 * config.gcc (sh-*-*): Add quoting to account for quirk of
8495 Replace == with = in enable_incomplete_targets test.
8497 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8498 with MASK_LITTLE_ENDIAN.
8500 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8501 * config/sh/sh.opt: Added to some comments.
8502 * config/sh/superh.h: Removed some chaff.
8504 * config/sh/sh.opt: Add m4-[1234]00* options.
8505 * config/sh/sh.c (sh_handle_option): Likewise.
8506 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8507 (ic_invalidate_array_4-100.o): New rule.
8508 ($(T)libic_invalidate_array_4-100.a): Likewise.
8509 (ic_invalidate_array_4-200.o): Likewise.
8510 ($(T)libic_invalidate_array_4-200.a): Likewise.
8511 (ic_invalidate_array_4a.o): Likewise.
8512 ($(T)libic_invalidate_array_4a.a): Likewise.
8513 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8514 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8516 * config/sh/crt1.asm: Merged in profiling code.
8517 * config/sh/superh.h (STARTFILE_SPEC): Override.
8518 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8519 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8520 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8522 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8523 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8524 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8526 * sh.opt (mpretend-cmove): New option.
8527 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8528 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8529 (movsicc): Add TARGET_PRETEND_CMOVE code.
8531 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8533 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8534 s390_class_max_nregs): New function prototypes.
8535 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8536 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8537 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8538 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8540 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8542 * dwarf2out.c (add_location_or_const_value_attribute): Call
8543 tree_add_const_value_attribute if nothing else works.
8544 (reference_to_unused): New.
8545 (rtl_for_decl_init): Use reference_to_unused to decide whether
8546 to output an initializer.
8548 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8551 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8552 peephole removing spe frob_di_df_2.
8554 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8556 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8557 (subscript_dependence_tester_1): Declared.
8558 (print_dir_vectors, print_dist_vectors): New.
8559 (debug_data_dependence_relation): New.
8560 (dump_data_dependence_relation): Print more details.
8561 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8562 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8563 (save_dist_v, save_dir_v, add_outer_distances,
8564 build_classic_dist_vector_1): New.
8565 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8566 Don't test for lambda_vector_lexico_pos.
8567 (same_access_functions, add_multivariate_self_dist,
8568 add_other_self_distances, dir_from_dist): New.
8569 (build_classic_dir_vector): Replace implementation almost identical to
8570 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8572 (subscript_dependence_tester_1): New.
8573 (subscript_dependence_tester): Handle the lexicographically negative
8574 distance vectors by recomputing the dependence relation.
8575 (compute_affine_dependence): Remove parameter loop_nest_depth.
8576 (compute_self_dependence): Don't call compute_subscript_distance.
8577 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8578 Add a parameter for the loop_nest.
8579 (find_loop_nest_1, find_loop_nest): New.
8580 (compute_data_dependences_for_loop): Compute the loop nest, and give
8581 up if the nest is not well formed.
8582 * tree-data-ref.h (loop_p): New.
8583 (struct data_dependence_relation): Replace size_vect field with
8584 loop_nest, a vec of loops.
8585 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8586 (DDR_LOOP_NEST): New.
8587 (print_dir_vectors, print_dist_vectors,
8588 debug_data_dependence_relation): Declared.
8589 (index_in_loop_nest): New.
8590 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8591 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8594 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8596 * simplify-rtx.c (simplify_relational_operation): Call
8597 simplify_relational_operation_1 even if mode is VOIDmode.
8599 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8601 PR tree-optimization/26804
8602 * tree.h (DECL_CALL_CLOBBERED): New macro.
8603 (tree_decl_common): Add call_clobbered_flag.
8604 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8605 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8606 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8607 (mark_non_addressable): Ditto.
8608 * tree-ssa.c (verify_call_clobbered): New function.
8609 (verify_alias_info): Use it.
8610 * tree-pass.h (pass_reset_cc_flags): New prototype.
8611 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8612 (reset_cc_flags): New function.
8613 * passes.c (init_optimization_passes): Call reset_cc_flags after
8614 initializing referenced_vars.
8616 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8617 Roger Sayle <roger@eyesopen.com>
8620 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8621 to 1.0 for non-real operands. Implement A / A optimization for
8624 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8626 * config/i386/i386.c (size_cost): Correct the comment for
8627 cost of storing fp registers.
8628 (i386_cost): Likewise.
8629 (i486_cost): Likewise.
8630 (pentium_cost): Likewise.
8631 (pentiumpro_cost): Likewise.
8632 (k6_cost): Likewise.
8633 (athlon_cost): Likewise.
8634 (k8_cost): Likewise.
8635 (pentium4_cost): Likewise.
8636 (nocona_cost): Likewise.
8637 (generic64_cost): Likewise.
8638 (generic32_cost): Likewise.
8640 2006-03-24 Denis Chertykov <denisc@overta.ru>
8642 * config/avr/avr-protos.h (extra_constraint): Delete.
8643 (extra_constraint_Q): New declaration.
8644 * config/avr/constraints.md: New file.
8645 * config/avr/avr.md: Include it.
8646 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8647 (TMP_REGNO, ZERO_REGNO): Likewise.
8648 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8649 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8650 (extra_constraint): Delete.
8651 (extra_constraint_Q): Test for memory constraint 'Q'.
8652 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8653 (REG_CLASS_FROM_LETTER): Delete.
8654 (CONST_OK_FOR_LETTER_P): Delete.
8655 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8656 (EXTRA_CONSTRAINT): Delete.
8657 (TMP_REGNO): Delete.
8658 (ZERO_REGNO): Delete.
8660 2006-03-24 Jeff Law <law@redhat.com>
8662 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8663 directly. Call mark_new_vars_to_rename slightly earlier.
8665 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8667 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8669 (gen_compile_unit_die): Use new language types for Objective-C and
8671 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8672 DW_LANG_C_plus_plus.
8675 * config/t-darwin (crt3.o): Work around bug 26840.
8676 * config/darwin-crt3.c: Rewrite.
8677 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8679 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8681 * doc/invoke.texi: Document -femit-class-debug-always
8682 * common.opt: Add -femit-class-debug-always.
8684 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8686 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8687 index and base register.
8688 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8689 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8690 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8691 REGNO_OK_FOR_INDEX_P.
8692 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8694 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8695 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8696 REG_OK_FOR_BASE_P): Definitions removed.
8698 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8701 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8702 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8703 set yet or weren't marked as local yet.
8705 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8707 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8710 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8712 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8713 (rs6000_legitimate_small_data_p): Delete.
8714 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8715 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8716 and make static. Add forward declaration. Update uses.
8717 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8718 of offsettable_memref_p.
8719 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8720 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8722 2006-03-24 Jeff Law <law@redhat.com>
8724 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8725 around bug in immediate-use iterator.
8727 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8730 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8731 or __LITTLE_ENDIAN__.
8733 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8735 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8736 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8737 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8738 * config/sh/sh.opt (mdiv=): Amend description.
8739 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8740 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8741 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8742 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8743 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8744 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8745 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8746 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8747 TARGET_DIVIDE_CALL_FP.
8749 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8751 * haifa-sched.c (choose_ready): Fix type of the local variable.
8752 Move local variables. Add comment.
8753 (check_reg_live): Change signature. Make callable from debugger.
8754 * sched-int.h (check_reg_live): Update signature.
8755 * sched-ebb.c (check_reg_live): Update parameters.
8756 * sched-rgn.c (check_reg_live): Ditto.
8757 (region_head_or_leaf_p): Check pointer before dereferencing.
8758 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8759 before reload on optimization levels below 1.
8761 2006-03-23 Richard Henderson <rth@redhat.com>
8763 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8767 * config/alpha/predicates.md (local_symbolic_operand): Reject
8770 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8773 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8774 expressions which have overflowed constants.
8776 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8778 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8780 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8782 * cfgloopmanip.c (create_loop_notes): Removed.
8783 * final.c (final_scan_insn): Do not handle loop notes.
8784 * jump.c (squeeze_notes): Ditto.
8785 * cfglayout.c (skip_insns_after_block,
8786 duplicate_insn_chain): Ditto.
8787 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8789 * cfgloop.h (create_loop_notes): Declaration removed.
8791 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8793 * varasm.c (output_constant_pool): Restore fnname and fndecl
8795 (assemble_start_function): Adjust call accordingly.
8796 (assemble_end_function): Likewise.
8798 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8801 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8804 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8806 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8809 * system.h (ICE_EXIT_CODE): New macro.
8810 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8811 (diagnostic_action_after_output): Likewise.
8812 * gcc.c (fatal_ice): New function.
8813 (execute): Use it instead of fatal.
8814 (fancy_abort): Likewise.
8815 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8817 2006-03-22 Jeff Law <law@redhat.com>
8819 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8820 iv_analyze_result returning false.
8822 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8824 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8826 2006-03-22 Richard Henderson <rth@redhat.com>
8829 * except.c (duplicate_eh_regions_0): New.
8830 (duplicate_eh_region_1): Duplicate the children of the node as
8831 well as the node itself. Link them up properly.
8832 (duplicate_eh_region_2): Merge into ...
8833 (duplicate_eh_regions): ... here. Take copy_region argument, and
8834 copy only a sub-tree if asked. Simplify copying and fixup.
8835 (eh_region_outer_p): New.
8836 * except.h (duplicate_eh_regions): Update decl.
8837 (eh_region_outer_p): Declare.
8838 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8839 (lower_omp_master): Likewise.
8840 (lower_omp_ordered): Likewise.
8841 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8842 (move_stmt_r): Use it to remap labels. Handle recursion vs
8843 remap_decls_p properly.
8844 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8845 (find_outermost_region_in_block): New.
8846 (new_label_mapper): New.
8847 (move_sese_region_to_fn): Copy eh information to the new function
8849 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8851 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8854 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8856 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8857 into shared libraries.
8859 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8861 * doc/md.texi: Refer to i386/constraints.md instead of
8863 * config/i386/constraints.md: New file, extracted from...
8864 * config/i386/predicates.md: ...here.
8865 * config/i386/i386.md: Include constraints.md.
8867 2006-03-21 Jason Merrill <jason@redhat.com>
8869 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8872 * expr.c (init_block_move_fn): Force default visibility.
8873 (init_block_clear_fn): Likewise.
8874 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8875 * targhooks.c (default_external_stack_protect_fail): Likewise.
8877 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8879 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8880 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8881 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8882 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8883 (loadgp): Use mips_current_loadgp_style.
8884 (loadgp_noshared): New pattern.
8885 (sibcall_internal): Use MIPS_CALL.
8886 (sibcall_value_internal): Likewise.
8887 (sibcall_value_multiple_internal): Likewise.
8888 (call_internal): Likewise.
8889 (call_value_internal): Likewise.
8890 (call_value_multiple_internal): Likewise.
8891 (call_split): Use MIPS_CALL and add an 'S' constraint.
8892 (call_value_split): Likewise.
8893 (call_value_multiple_split): Likewise.
8894 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8895 (-mshared): New option.
8896 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8897 (mips_current_loadgp_style): Declare.
8898 * config/mips/mips.c (mips_classify_symbol): Avoid using
8899 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8900 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8901 TARGET_ABSOLUTE_ABICALLS.
8902 (override_options): Adjust comments. Improve the warning that is
8903 issued when -mabicalls and -G are used together.
8904 (mips_file_start): Remove comment.
8905 (mips_current_loadgp_style): New function.
8906 (mips_gnu_local_gp): New variable.
8907 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8909 (mips_output_function_prologue): Use mips_current_laodgp_style.
8910 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8911 the cprestore instruction.
8912 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8913 live for TARGET_ABSOLUTE_ABICALLS.
8914 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8915 (ASM_SPEC): Pass down -mshared and -mno-shared.
8916 (MIPS_CALL): New macro.
8917 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8919 * doc/invoke.texi (-mabicalls): Update documentation.
8920 (-mshared): Document.
8922 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8924 * config/ia64/unwind-hpux.c: New file.
8925 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8927 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8930 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8932 2006-03-21 Jeff Law <law@redhat.com>
8934 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8935 type conversions of a VR_VARYING source to a wider type.
8937 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8939 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8940 tm_file on Solaris 10 and later.
8941 (sparc64-*-solaris2*): Likewise.
8942 (sparc-*-solaris2*): Likewise.
8943 * config/sol26.h: Rename to config/sol2-6.h.
8944 * config/sol2-10.h: New file.
8946 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8949 * tree-ssa-pre.c (create_component_ref_by_pieces):
8952 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8955 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8956 return it immediately.
8958 2006-03-21 Michael Matz <matz@suse.de>
8960 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8962 (remove_arc, add_arc): Update num_out_arcs member.
8963 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8965 (cache_presence): New function.
8966 (compare_states_for_equiv): New function.
8967 (state_is_differed): Don't take number of outargs, adjust callers.
8968 Use new invariant for speeding up.
8969 (init_equiv_class): Create initial classes based on sorted
8971 (partition_equiv_class): Don't track out_arcs_num.
8972 (evaluate_equiv_classes): Call cache_presence on all states and
8975 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8977 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8978 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8979 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8980 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8982 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8983 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8984 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8985 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8986 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8988 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8989 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8990 (REGNO_REG_CLASS): ARGP is in PREGS.
8991 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8993 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8994 to deal with those addresses.
8995 * addresses.h: New file.
8996 * caller-save.c: Include "addresses.h".
8997 (init_caller_save): Use new base_reg_class function.
8998 * rtl-factoring.c: Include "addresses.h".
8999 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9000 * recog.c: Include "addresses.h".
9001 (preprocess_constraints): Use new base_reg_class function.
9002 * regrename.c: Include "addresses.h".
9003 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9004 functions. Keep track of a new var INDEX_CODE to compute valid
9006 (replace_oldest_value_addr): Likewise.
9007 (replace_oldest_value_mem): Use base_reg_class.
9008 * reload.c: Include "addresses.h".
9009 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9010 (find_reloads): Use new base_reg_class function.
9011 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9012 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9013 all callers and prototype changed.
9014 * reload1.c: Include "addresses.h".
9015 (maybe_fix_stack_asms): Use base_reg_class.
9016 * regclass.c: Include "addresses.h".
9017 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9018 (init_reg_autoinc): Use new base_reg_class function.
9019 (record_reg_classes): Likewise.
9020 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9021 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9022 Use new args to compute necessary class.
9024 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9025 regrename.o, rtl-factoring.o): Update dependencies.
9026 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9027 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9028 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9029 REG_OK_FOR_INDEX_P): Delete documentation.
9031 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9033 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9034 from V7 to V9 for Solaris 7 and above.
9036 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9038 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9039 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9040 argument pointers may not alias any other storage.
9041 * common.opt: Define option -fargument-noalias-anything.
9042 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9043 alias semantics is specified by flag_argument_noalias > 2.
9045 2006-03-20 Jeff Law <law@redhat.com>
9047 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9048 (pass_phi_only_cprop): Declare.
9049 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9051 * tree-ssa-dom.c (degenerate_phi_result): New function.
9052 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9053 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9054 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9055 (eliminate_degenerate_phis): Likewise.
9056 (pass_phi_only_cprop): New pass descriptor.
9057 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9058 support code. Callers updated.
9059 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9060 (store_copy_prop): Likewise.
9061 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9063 2006-03-20 Jason Merrill <jason@redhat.com>
9066 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9067 (push_visibility, pop_visibility): Likewise.
9068 * c-pragma.h: Declare them.
9070 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9072 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9074 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9075 parameter and use get_ebb_head_tail.
9076 (sh_md_init_global): Adjust uses of find_regmode_weight.
9078 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9080 * function.h (struct function) <x_tail_recursion_reentry>:
9081 Rename to x_stack_check_probe_note.
9082 (tail_recursion_reentry): Rename to stack_check_probe_note.
9083 * function.c: Replace tail_recursion_reentry with
9084 stack_check_probe_note everywhere.
9085 (expand_function_start): Only emit a note for
9086 stack_check_probe_note with -fstack-protect.
9087 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9089 * emit-rtl.c (remove_unnecessary_notes): Remove.
9090 (pass_remove_unnecessary_notes): Remove.
9091 * rtl.h (remove_unnecessary_notes): Remove prototype.
9092 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9093 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9094 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9096 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9099 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9100 (valid_in_set): Handle ARRAY_REF.
9101 Change "if min_variant or VH" to asserts.
9102 (create_component_ref_by_pieces): Handle ARRAY_REF.
9103 (create_expression_by_pieces): Likewise.
9104 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9106 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9108 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9109 is operand of switch, not str[0].
9111 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9113 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9114 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9116 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9118 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9119 end of insn_extra_address_constraint declaration.
9121 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9123 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9124 (no-sum-in-toc): Same.
9125 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9127 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9128 NO_FP_IN_TOC for -fPIC instead of mask.
9130 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9131 (BOOT_LDFLAGS): Delete.
9133 * config/rs6000/t-aix52: Same.
9135 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9136 (stmsi[345678]_power): New.
9138 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9140 * config/ia64/ia64.opt: Add empty line to end of file.
9142 2006-03-17 Richard Guenther <rguenther@suse.de>
9145 * builtins.c (get_pointer_alignment): For component style references
9146 adjust alignment to the component type alignment. Make sure
9147 to adjust alignment for component access of constants.
9149 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9151 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9154 2006-03-17 Paul Brook <paul@codesourcery.com>
9156 * doc/install.texi: Docuemnt --with-mode.
9157 * config.gcc: Add --with-mode for arm*-*-*.
9158 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9160 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9162 * sh.c (max_labelno_before_reorg): New variable.
9163 (sh_reorg): Initialize it.
9164 (find_barrier): Check max_labelno_before_reorg before using
9165 label_to_alignment. Take length of explicit alignment insns
9166 into account. When seeing a UNSPECV_CONST_END, return it.
9168 * sh.c (fixup_mova): Set mode of affected label to QImode.
9169 (untangle_mova): New function.
9170 (find_barrier): Use it. Check mode of label before decrementing
9172 (sh_reorg): Likewise.
9173 Set mode of all insns back to VOIDmode.
9175 * sh.c (MOVA_LABELREF): New macro.
9176 (mova_p, fixup_mova, sh_reorg): Use it.
9177 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9178 ADDR_DIFF_VEC matches mova.
9180 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9182 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9183 with ATTRIBUTE_UNUSED.
9185 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9187 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9188 pointer, instead of assuming it is possible to derive the
9189 correct args size from a call insn.
9191 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9193 * rtl.h (CONST_INT_P): Define.
9194 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9195 instead of GET_CODE(x) == CONST_INT.
9196 (vax_rtx_costs): Likewise.
9197 (vax_output_int_move): Likewise.
9198 (vax_output_int_add): Likewise.
9199 (legitimate_constant_address_p): Likewise.
9200 (index_term_p): Likewise.
9201 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9202 * config/vax/vax.md (and<mode>3): Likewise.
9203 (ashrsi3): Likewise.
9205 (movstricthi): Likewise.
9206 (movstrictqi): Likewise.
9207 (rotrsi3): Likewise.
9208 (five unnamed insns): Likewise.
9210 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9212 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9213 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9214 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9215 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9216 Pass to ASM_OUTPUT_DWARF_OFFSET.
9217 * dwarf2out.c (debug_frame_section): New.
9218 (output_call_frame_info): Use debug_frame_section. Pass it to
9219 dw2_asm_output_offset.
9220 (output_die): Pass appropriate section to dw2_asm_output_offset.
9221 (output_compilation_unit_header): Likewise.
9222 (output_pubnames): Likewise.
9223 (output_aranges): Likewise.
9224 (enum dw_val_class): Break dw_val_class_lbl_offset into
9225 dw_val_class_lineptr and dw_val_class_macptr.
9226 (add_AT_lbl_offset): Delete.
9227 (add_AT_lineptr): New.
9228 (add_AT_macptr): New.
9229 (AT_lbl): Expect a lineptr or macptr.
9230 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9231 (attr_checksum): Likewise.
9232 (same_dw_val_p): Likewise.
9233 (size_of_die): Likewise.
9234 (value_format): Likewise.
9235 (output_die): Likewise.
9236 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9238 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9239 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9240 * config/darwin-protos.h (darwin_file_start): New.
9241 (darwin_asm_output_dwarf_offset): New.
9242 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9243 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9245 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9246 if not EH section; simplify.
9247 (darwin_file_start): New.
9248 (darwin_asm_output_dwarf_offset): New.
9249 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9251 (DEBUG_INFO_SECTION): Likewise.
9252 (DEBUG_ABBREV_SECTION): Likewise.
9253 (DEBUG_ARANGES_SECTION): Likewise.
9254 (DEBUG_MACINFO_SECTION): Likewise.
9255 (DEBUG_LINE_SECTION): Likewise.
9256 (DEBUG_LOC_SECTION): Likewise.
9257 (DEBUG_PUBNAMES_SECTION): Likewise.
9258 (DEBUG_STR_SECTION): Likewise.
9259 (DEBUG_RANGES_SECTION): Likewise.
9260 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9261 (ASM_OUTPUT_DWARF_OFFSET): New.
9263 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9265 * config.gcc (tm_defines): Always add to previous value rather
9268 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9270 * config/mips/predicates.md (splittable_const_int_operand): New,
9271 split from move_operand.
9272 (splittable_symbolic_operand): New.
9273 (move_operand): Add commentary. Use splittable_const_int_operand.
9274 Inline mips_atomic_symbolic_constant_p.
9275 * config/mips/mips.md: Add combine splitters for handling moves
9276 of splittable_const_int_operands and splittable_symbolic_operands.
9277 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9278 (mips_split_symbol): Declare.
9279 (mips_move_integer): Declare.
9280 * config/mips/mips.c (mips_split_p): Make global.
9281 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9282 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9283 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9284 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9285 (mips_offset_within_object_p): Handle block symbols.
9286 (mips_atomic_symbolic_constant_p): Delete.
9287 (mips_cannot_force_const_mem): Return false for constants that
9288 mips_legitimize_move can handle.
9289 (mips_use_blocks_for_constant_p): New function.
9290 (mips_split_symbol): Make global.
9291 (mips_move_integer): Likewise. Add a temporary register argument.
9292 (mips_legitimize_const_move): Use splittable_const_int_operand and
9293 splittable_symbolic_operand.
9294 (mips_use_anchors_for_symbol_p): New function.
9295 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9296 (mips_split_p): Declare.
9298 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9300 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9301 (mips*-*-linux*): Likewise.
9303 2006-03-16 Roger Sayle <roger@eyesopen.com>
9304 Daniel Speyer <dspeyer@wam.umd.edu>
9307 * tree-dump.c (dump_real): New function.
9308 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9309 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9310 (tree-dump.o): Add $(REAL_H) to the dependencies.
9312 2006-03-16 Roger Sayle <roger@eyesopen.com>
9315 * real.c (real_from_string): If the mantissa is zero, don't bother
9316 parsing the exponent as the result should always be zero.
9318 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9320 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9322 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9324 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9325 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9326 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9327 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9328 ia64_sched_finish_global): New static functions to implement
9329 hooks from gcc_target.sched.
9330 (spec_check_no, max_uid, pending_data_specs): New static variables.
9331 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9332 ia64_spec_check_src_p): New static functions.
9333 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9334 (TARGET_SCHED_ADJUST_COST): Removed.
9335 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9336 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9337 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9338 TARGET_SCHED_GEN_CHECK,
9339 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9340 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9341 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9342 Fixed to handle speculation checks.
9343 (rtx_needs_barrier): Fixed to handle speculative loads and
9345 (ia64_variable_issue): Added code to count speculative loads and their
9347 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9349 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9351 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9353 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9354 (ia64_reorg): Reset stops_p to NULL after it is freed.
9355 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9356 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9357 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9359 (data_speculative, control_speculative, check_load): New attributes.
9360 (mov<mode>_advanced, mov<mode>_speculative,
9361 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9362 zero_extend<mode>di2_speculative,
9363 zero_extend<mode>di2_speculative_advanced): New patterns for
9364 data and control speculative loads.
9365 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9367 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9368 New pattern for data and control speculation checks.
9369 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9370 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9371 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9372 Auxiliary definitions for the patterns.
9373 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9374 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9376 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9378 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9379 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9380 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9381 New resource constraints.
9382 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9384 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9385 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9386 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9387 msched-in-control-spec, msched-ldc, msched-control-ldc,
9388 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9389 msched-prefer-non-control-spec-insns,
9390 msched-count-spec-in-critical-path): New flags to tune speculative
9392 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9393 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9394 msched-in-control-spec, msched-ldc, msched-control-ldc,
9395 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9396 msched-prefer-non-control-spec-insns,
9397 msched-count-spec-in-critical-path): Document new flags.
9399 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9401 * target.h (struct spec_info_def): New opaque declaration.
9402 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9403 speculate_insn, needs_block_p, gen_check,
9404 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9405 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9406 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9407 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9408 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9409 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9411 (TARGET_SCHED): Use new macros.
9412 * rtl.h (copy_DEPS_LIST_list): New prototype.
9413 * sched-int.h (struct sched_info): Change signature of new_ready field,
9414 adjust all initializations. New fields: add_remove_insn,
9415 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9416 region_head_or_leaf_p.
9417 (struct spec_info_def): New structure declaration.
9418 (spec_info_t): New typedef.
9419 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9420 recovery_block, orig_pat.
9421 (glat_start, glat_end): New variables declaraions.
9422 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9424 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9425 DETACH_LIFE_INFO, USE_GLAT.
9426 (enum SPEC_SCHED_FLAGS): New enumeration.
9427 (NOTE_NOTE_BB_P): New macro.
9428 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9429 attach_life_info, debug_spec_status, check_reg_live): New functions.
9430 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9431 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9433 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9434 * ddg.c (get_block_head_tail): Adjust all uses.
9435 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9436 (sms_sched_info): Initialize new fields.
9437 (contributes_to_priority): Removed.
9438 * haifa-sched.c (params.h): New include.
9439 (get_block_head_tail): Adjust all uses.
9440 (ISSUE_POINTS): New macro.
9441 (glat_start, glat_end): New global variables.
9442 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9443 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9444 old_last_basic_block, before_recovery, current_sched_info_var,
9445 rgn_n_insns, luid): New static variables.
9446 (insn_cost1): New function. Move logic from insn_cost to here.
9447 (find_insn_reg_weight1): New function. Move logic from
9448 find_insn_reg_weight to here.
9449 (reemit_notes, move_insn, max_issue): Change signature.
9450 (move_insn1): Removed.
9451 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9452 extend_bb): New static functions to support extension of scheduler's
9454 (generate_recovery_code, process_insn_depend_be_in_spec,
9455 begin_speculative_block, add_to_speculative_block,
9456 init_before_recovery, create_recovery_block, create_check_block_twin,
9457 fix_recovery_deps): New static functions to support
9458 generation of recovery code.
9459 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9460 restore_bb_notes, move_block_after_check, move_succs): New static
9461 functions to support ebb scheduling.
9462 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9463 functions to support handling of register live information.
9464 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9465 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9466 add_jump_dependencies): New static functions.
9467 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9468 consistancy checking.
9469 (debug_spec_status): New function to call from debugger.
9470 (priority): Added code to handle speculation checks.
9471 (rank_for_schedule): Added code to distinguish speculative instructions.
9472 (schedule_insn): Added code to handle speculation checks.
9473 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9474 Fixed to handle ebbs.
9475 (move_insn): Added code to handle ebb scheduling.
9476 (max_issue): Added code to use ISSUE_POINTS of instructions.
9477 (choose_ready): Added code to choose between speculative and
9478 non-speculative instructions.
9479 (schedule_block): Added code to handle ebb scheduling and scheduling of
9480 speculative instructions.
9481 (sched_init): Initialize new variables.
9482 (sched_finish): Free new variables. Print statistics.
9483 (try_ready): Added code to handle speculative instructions.
9484 * lists.c (copy_DEPS_LIST_list): New function.
9485 * sched-deps.c (extend_dependency_caches): New function. Move logic
9486 from create_dependency_caches to here.
9487 (get_dep_weak, ds_merge): Make global.
9488 * genattr.c (main): Code to output prototype for
9489 dfa_clear_single_insn_cache.
9490 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9491 (output_dfa_clean_insn_cache_func): Code to output
9492 dfa_clear_single_insn_cache function.
9493 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9495 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9497 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9498 New static variables.
9499 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9500 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9502 (ebb_sched_info): Initialize new fields.
9503 (get_block_head_tail): Adjust all uses.
9504 (compute_jump_reg_dependencies): Fixed to use glat_start.
9505 (schedule_ebb): Code to remove unreachable last block.
9506 (schedule_ebbs): Added code to update register live information.
9507 * sched-rgn.c (region_sched_info): Initialize new fields.
9508 (get_block_head_tail): Adjust all uses.
9509 (last_was_jump): Removed. Adjust users.
9510 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9511 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9512 Implement new hooks.
9513 (check_dead_notes1): New static function.
9514 (struct region): New fields: dont_calc_deps, has_real_ebb.
9515 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9516 (BB_TO_BLOCK): Fixed to handle EBBs.
9517 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9518 (ebb_head): New static variable.
9519 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9520 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9522 (compute_dom_prob_ps): New assertion.
9523 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9524 global_live_at_start.
9525 (init_ready_list): New assertions.
9526 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9527 (new_ready): Add support for BEGIN_CONTROL speculation.
9528 (schedule_insns): Fixed code that updates register live information
9530 (schedule_region): Fixed to handle EBBs.
9531 (init_regions): Use extend_regions and check_dead_notes1.
9532 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9533 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9534 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9535 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9536 TARGET_SCHED_GEN_CHECK,
9537 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9538 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9539 * doc/invoke.texi (max-sched-insn-conflict-delay,
9540 sched-spec-prob-cutoff): Document.
9542 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9544 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9545 inter_tick, queue_index.
9546 (struct sched_info): Change signature of init_ready_list field.
9547 Adjust all initializations.
9548 (RESOLVED_DEPS): New access macro.
9549 (ready_add): Remove prototype.
9550 (try_ready): Add prototype.
9551 * sched-rgn.c (init_ready_list): Use try_ready.
9552 (schedule_region): Initialize
9553 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9554 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9555 (init_ready_list): Use try_ready.
9556 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9557 * lists.c (remove_list_elem): Remove `static'.
9558 (remove_free_INSN_LIST_elem): New function.
9559 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9560 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9561 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9563 (readyp): New variable.
9564 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9565 change_queue_index, resolve_dep): New static functions.
9566 (try_ready): New function. Adjust callers in sched-rgn.c and
9567 sched-ebb.c to use it instead of ready_add.
9568 (clock_var): Move at the begining of file.
9569 (rank_for_schedule): Fix typo.
9570 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9571 (ready_lastpos): Enforce assertion.
9572 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9574 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9575 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9576 (queue_to_ready): Use free_INSN_LIST_list.
9577 (early_queue_to_ready): Fix typo.
9578 (schedule_block): Init readyp. Move init_ready_list call after the
9579 initialization of clock_var. Fix error in rejecting insn by
9580 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9581 that previously corrected INSN_TICKs. Add code for handling
9583 (set_priorities): Fix typo.
9584 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9585 Clarify comment and code that keeps current_sched_info->next_tail
9588 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9590 * sched-rgn.c (extend_rgns): New static function.
9591 (find_rgns): Use it.
9592 (gather_region_statistics, print_region_statistics): New static
9594 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9595 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9597 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9598 Andrey Belevantsev <abel@ispras.ru>
9600 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9601 * lists.c (unused_deps_list): New variable.
9602 (free_list): Add assertions to verify the proper distinguishing
9603 between INSN_LISTs and DEPS_LISTs.
9604 (find_list_elem, remove_list_elem, remove_list_node): New static
9606 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9607 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9608 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9609 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9611 (free_INSN_LIST_node): Likewise.
9612 * modulo-sched.c (current_sched_info): Initialize flags field.
9613 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9614 * rtl.def (DEPS_LIST): Define.
9615 * rtl.h: Declare new functions from lists.c.
9616 * sched-deps.c (spec_dependency_cache): New static variable.
9617 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9618 (add_dependence): Change return type to void. Move the logic to ...
9619 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9620 (delete_all_dependences): Add comment about forward_dependency_cache.
9621 Handle spec_dependency_cache. Handle DEPS_LISTs.
9622 (fixup_sched_groups): Clarify the change of priority of output
9623 and anti dependencies.
9624 (sched_analyze_2): Adjust add_dependence calls to create data
9625 speculative dependence.
9626 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9627 Adjust all callers. Handle DEPS_LISTS.
9628 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9629 presence of speculation.
9630 (init_dependency_caches, free_dependency_caches):
9631 Handle spec_dependency_cache.
9632 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9633 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9634 New static functions.
9635 (add_or_update_back_dep, add_or_update_back_forw_dep,
9636 add_back_forw_dep, delete_back_forw_dep): New functions.
9637 * sched-int.h (ds_t, dw_t): New typedefs.
9638 (struct sched_info): Add new field flags.
9639 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9640 Prototype new sched-deps.c functions.
9641 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9642 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9643 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9644 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9645 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9646 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9648 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9650 * sched-rgn.c (current_sched_info): Initialize flags field.
9651 (schedule_insns): Initialize current_sched_info before the sched_init
9653 * sched-ebb.c (current_sched_info): Initialize flags field.
9654 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9655 Call add_or_update_back_dep instead of add_dependence.
9656 Create control speculative dependencies.
9657 (schedule_insns): Initialize current_sched_info before the sched_init
9660 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9662 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9664 (sh_fallback_frame_state): Likewise.
9666 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9668 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9669 Do switch on default_use_cxa_atexit.
9670 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9671 * config/darwin-crt3.o: New.
9672 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9673 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9674 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9676 * config/rs6000/t-darwin: Move crt2.o building to here.
9677 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9678 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9681 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9683 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9684 from '! xxx' to '!xxx' for coding-style conformance.
9685 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9686 (EXTRA_CONSTRAINT): Likewise.
9687 * config/vax/vax.md (four unnamed insns): Likewise.
9689 2006-03-15 Paul Brook <paul@codesourcery.com>
9691 * config/arm/arm.c (minipool_pad): New.
9692 (add_minipool_forward_ref): Include pool alignment padding in address
9694 (push_minipool_fix): Set minipool_pad.
9695 (minipool_pad): Ditto.
9697 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9699 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9700 instead of GET_CODE() == MEM and REG_P() instead of
9702 (print_operand_address): Likewise.
9703 (vax_address_cost): Likewise.
9704 (vax_rtx_costs): Likewise.
9705 (vax_notice_update_cc): Likewise.
9706 (vax_output_int_add): Likewise.
9707 (INDEX_REGISTER_P): Likewise.
9708 (BASE_REGISTER_P): Likewise.
9709 (nonindexed_address_p): Likewise.
9710 (vax_mode_dependent_address_p): Likewise.
9711 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9712 (PRINT_OPERAND): Likewise.
9713 * config/vax/vax.md (ashlsi3): Likewise.
9714 (ashlsi3): Likewise.
9715 (some more unnamed insns): Likewise.
9717 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9719 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9720 iterator-style macro.
9721 (mark_control_dependent_edges_necessary): Update the use of
9722 EXECUTE_IF_CONTROL_DEPENDENT.
9724 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9726 * config/sh/predicates.md (cache_address_operand): Special.
9727 (ua_address_operand): Likewise.
9729 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9731 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9733 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9735 2006-03-15 Andreas Schwab <schwab@suse.de>
9737 * gensupport.c (identify_predicable_attribute): Don't free p_false
9738 when it is still in use.
9740 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9742 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9743 the default setting here.
9745 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9747 * tree-pass.h (pass_cfg): Remove.
9748 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9749 * passes.c (pass_cfg): Don't run it.
9751 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9753 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9754 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9756 (stack_regs_mentioned): Update the uses of
9757 stack_regs_mentioned_data. Don't access the array beyond its
9759 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9760 Don't include gt-reg-stack.h.
9762 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9763 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9765 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9768 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9771 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9773 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9775 2006-03-14 Richard Guenther <rguenther@suse.de>
9777 PR tree-optimization/26672
9778 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9781 2006-03-14 Richard Guenther <rguenther@suse.de>
9783 PR tree-optimization/26667
9784 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9785 node for the callees. Always allow inlining if it will shrink
9788 2006-03-14 Richard Guenther <rguenther@suse.de>
9791 * builtins.c (get_pointer_alignment): Prefer alignment
9792 information from decls over that from types.
9794 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9797 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9799 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9801 * config/rs6000/rs6000.opt (mdlmzb): New option.
9802 (msched-prolog, msched-epilog): Use Var not Mask.
9803 * doc/invoke.texi (-mdlmzb): Document.
9804 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9806 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9807 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9809 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9811 PR rtl-optimization/25739
9812 * bt-load.c (augment_live_range): Free tos pointer.
9814 * gensupport.c (identify_predicable_attribute): Free
9816 * gcov.c (create_file_names): Free name pointer.
9818 2006-03-13 Roger Sayle <roger@eyesopen.com>
9821 * stmt.c (emit_case_nodes): Handle the case where the index is a
9822 CONST_INT, where the comparison mode is specified by the index type.
9824 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9826 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9829 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9831 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9832 (*branch_fp_inverted): Likewise.
9834 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9837 * omp-low.c (expand_omp_for_generic): Mark istart0
9838 and iend0 as addressable.
9840 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9842 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9844 2006-03-13 Jeff Law <law@redhat.com>
9846 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9847 virtual operands are interesting.
9848 (vrp_visit_stmt): Corresponding changes.
9850 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9852 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9854 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9855 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9856 * config/bfin/crti.S: Use it instead of __PIC__.
9857 * config/bfin/crtn.S: Likewise.
9859 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9860 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9862 Lose 'G' modifier for call operand.
9863 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9864 recognize 'G' modifier.
9866 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9869 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9870 * stmt.c (expand_case): Likewise.
9872 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9874 PR rtl-optimization/26254
9875 * loop-invariant.c (seq_insns_valid_p): New function.
9876 (move_invariant_reg): Only emit new code if it is valid.
9878 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9880 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9882 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9883 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9884 (commit_one_edge_insertion): Do not look for loop notes.
9886 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9888 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9889 flag_test_coverage out of loop.
9891 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9893 * final.c (shorten_branches): Remove outdated comment, and turn
9894 the if branch that guards it to continue.
9896 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9898 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9899 * cfgloop.h (struct loop): Remove unused fields.
9901 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9903 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9904 (-dL, -fdump-rtl-loop2): Update the dump file names
9906 * doc/invoke.texi: Update dump file names.
9908 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9910 * predict.c (estimate_probability): Remove.
9911 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9912 * basic-block.h (estimate_probability): Remove prototype.
9913 * passes.c (finish_optimization_passes): Dump branch prediction or
9914 profiling heuristics to the .profile tree dump.
9915 (init_optimization_passes): Unqueue pass_branch_prob.
9917 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9919 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9921 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9922 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9924 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9926 * function.h (frame_offset_overflow): Declare.
9927 * function.c (frame_offset_overflow): New function.
9928 (assign_stack_local_1): Call it to detect that the offset overflows.
9929 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9931 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9933 * config/sh/sh.c: Include alloc-pool.h.
9934 (label_ref_list_pool): New alloc pool.
9935 (label_ref_list_t): New type for lists of labels.
9936 (struct pool_node): Make wend a label_ref_list_t.
9937 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9939 (dump_table): Likewise.
9940 (sh_reorg): Set up the alloc pool before using add_constant and
9941 dump_table, and destroy it when finishing.
9943 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9945 * config/mips/mips.c: Remove redundant comment.
9947 2006-03-10 Jason Merrill <jason@redhat.com>
9950 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9951 the target was declared 'register'.
9953 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9955 * genpreds.c (write_insn_constraint_len): Change definition of
9956 insn_constraint_len to return size_t to match the declaration.
9958 2006-03-10 DJ Delorie <dj@redhat.com>
9960 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9962 (m32c_expand_insv): Fix test for an AND mask.
9964 2006-03-10 Richard Guenther <rguenther@suse.de>
9967 * builtins.c (get_pointer_alignment): Handle component
9968 references for field alignment.
9970 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9972 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9973 when building with libgloss.
9974 (sh*elf): Implement --without-fp option.
9975 (sh64-superh-linux*): Don't multilib.
9977 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9979 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9981 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9983 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9984 Set it when one of the replacement functions returned true.
9985 Return TODO_cleanup_cfg if cfgchanged is true.
9986 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9988 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9990 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9991 instead of gen_lowpart.
9993 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9995 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9997 (mips_output_order_conditional_branch): Declare.
9998 * config/mips/mips.h (MIPS_BRANCH): New macro.
9999 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10000 for the comparison. Use gen_condjump.
10001 (mips_output_conditional_branch): Rework interface to take the
10002 asm templates for a direct branch and the inverse of a direct branch.
10003 (mips_output_order_conditional_branch): New function.
10004 (mips_builtin_branch_and_move): New function.
10005 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10006 branch condition. Use gen_single_cc as the condition for
10007 __builtin_mips_upper_* or __builtin_mips_lower_*.
10008 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10009 Use VOIDmode for the branch condition.
10010 * config/mips/predicates.md (order_operator): New predicate.
10011 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10012 (branch_fp): Rename to...
10013 (*branch_fp): ...this. Remove mode from comparison operator.
10014 Use new mips_output_conditional_branch interface.
10015 (branch_fp_inverted): Rename to...
10016 (*branch_fp_inverted): ...this and update as for *branch_fp.
10017 (*branch_zero<mode>): Rename to...
10018 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10019 Use mips_output_order_conditional_branch. Only accept ordered
10021 (*branch_zero<mode>_inverted): Rename to...
10022 (*branch_order<mode>_inverted): ...this and update as for
10023 *branch_order<mode>.
10024 (*branch_equality<mode>): Accept zero as the second operand to
10025 the equality operator. Use the new mips_output_conditional_branch
10027 (*branch_equality<mode>_inverted): Likewise.
10028 (condjump): New expander.
10029 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10031 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10032 (bc1any2t, bc1any2f): Likewise.
10033 (single_cc): New expander.
10034 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10036 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10038 * doc/md.texi: Update documentation of MIPS constraints.
10039 * config/mips/constraints.md: New file.
10040 * config/mips/mips.md: Include it.
10041 * config/mips/mips.c (mips_char_to_class): Delete.
10042 (override_options): Don't initialize mips_char_to_class.
10043 * config/mips/mips.h (mips_char_to_class): Delete.
10044 (REG_CLASS_FROM_LETTER): Delete.
10045 (CONST_OK_FOR_LETTER_P): Delete.
10046 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10047 (EXTRA_CONSTRAINT_Y): Delete.
10048 (EXTRA_CONSTRAINT_STR): Delete.
10049 (CONSTRAINT_LEN): Delete.
10050 (EXTRA_MEMORY_CONSTRAINT): Delete.
10052 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10054 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10055 original fn's eh regions.
10057 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10059 * fold-const.c (build_range_check): Make sure to use a valid type to
10060 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10063 (range_predecessor): New static function.
10064 (range_successor): Likewise.
10065 (merge_ranges): Use them to compute predecessors and successors of
10068 2006-03-09 Roger Sayle <roger@eyesopen.com>
10070 PR middle-end/26561
10071 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10072 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10074 2006-03-08 DJ Delorie <dj@redhat.com>
10076 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10077 (addpsi3): Expand to include memory operands. Remove
10078 reload-specific splits.
10079 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10080 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10081 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10082 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10083 (shift1_qi, shift1_hi, insv): New.
10084 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10085 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10086 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10088 * config/m32c/m32c-protos.h: Update as needed.
10089 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10090 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10091 Fail for unrecognized R* constraints.
10092 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10093 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10094 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10096 (m32c_init_libfuncs): New.
10097 (m32c_legitimate_address_p): Add debug wrapper.
10098 (m32c_rtx_costs): New.
10099 (m32c_address_cost): New.
10100 (conversions): Add 'B' prefix.
10101 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10102 operands, or word regnames for QI operands. 'B' prints bit
10104 (m32c_expand_setmemhi): New.
10105 (m32c_expand_movmemhi): New.
10106 (m32c_expand_movstr): New.
10107 (m32c_expand_cmpstr): New.
10108 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10109 (m32c_expand_neg_mulpsi3): Handle non-ints.
10110 (m32c_cmp_flg_0): New.
10111 (m32c_expand_movcc): New.
10112 (m32c_expand_insv): New.
10113 (m32c_scc_pattern): New.
10114 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10115 a0/a1 out of SIregs.
10116 (STORE_FLAG_VALUE): New.
10117 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10120 * config/m32c/mov.md: Make constraints more liberal.
10121 (zero_extendqihi2): Optimize r0/r1 case.
10122 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10123 * config/m32c/predicates.md (m32c_any_operand): New.
10124 (m32c_nonimmediate_operand): New.
10125 (m32c_hl_operand): New.
10126 (m32c_r3_operand): New.
10129 (memsym_operand): New.
10130 (memimmed_operand): New.
10131 (a_qi_operand): New.
10132 (m32c_eqne_operator): New.
10133 (m32c_1bit8_operand): New.
10134 (m32c_1bit16_operand): New.
10135 (m32c_1mask8_operand): New.
10136 (m32c_1mask16_operand): New.
10137 * config/m32c/blkmov.md: New file.
10138 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10140 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10142 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10143 unsigned to fix signed/unsigned comparison issue in
10144 DWARF2_FRAME_REG_OUT.
10145 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10146 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10148 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10149 of ptr into the ENABLE_CHECKING section.
10151 2006-03-08 Jeff Law <law@redhat.com>
10153 * tree-vrp.c (infer_value_range): Only count pointer uses
10154 and dereferences if -fdelete-null-pointer-checks is enabled.
10156 * tree-vrp.c (find_assert_locations): Infer value ranges for
10157 single use pointers, but do not create ASSERT_EXPRs for them.
10158 When a non-null range is inferred for a pointer, backwards
10159 propagate that range to other equivalent pointers through the
10162 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10165 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10166 language hook targets.
10167 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10168 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10169 if language hook targets were missing.
10171 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10173 * tree-ssa-opfinalize.h: Removed.
10174 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10176 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10177 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10178 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10179 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10180 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10181 finalize_ssa_v_must_def_ops): New.
10183 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10185 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10186 block as parameter.
10188 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10190 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10192 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10193 addresses with offsets; reorganize.
10195 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10196 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10197 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10199 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10202 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10204 2006-03-08 Ben Elliston <bje@au.ibm.com>
10206 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10208 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10211 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10214 2006-03-07 Richard Guenther <rguenther@suse.de>
10216 PR tree-optimization/26587
10217 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10219 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10221 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10223 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10225 * hooks.c (hook_bool_mode_rtx_true): New function.
10226 * hooks.h (hook_bool_mode_rtx_true): Declare.
10227 * toplev.c (compile_file): Call output_shared_constant_pool.
10228 * varasm.c (shared_constant_pool): New variable.
10229 (assemble_start_function, assemble_end_function): Remove arguments
10230 from call to output_constant_pool.
10231 (create_constant_pool): New function, split out from...
10232 (init_varasm_status): ...here.
10233 (force_const_mem): Choose between the shared and per-function constant
10234 pools. Set current_function_uses_const_pool when reusing old entries
10235 as well as when creating new ones.
10236 (mark_constant): Ignore data argument.
10237 (mark_constants): Remove pool argument.
10238 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10239 to decide whether the function uses a constant pool.
10240 (output_constant_pool_contents): New function, split out from...
10241 (output_constant_pool): ...here.
10242 (output_shared_constant_pool): New function.
10243 (init_varasm_once): Initialize shared_constant_pool.
10244 * output.h (output_constant_pool): Delete.
10245 (output_shared_constant_pool): Declare.
10246 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10247 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10249 2006-03-06 Nick Clifton <nickc@redhat.com>
10251 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10252 flag_strength_reduce.
10254 2006-03-06 Ben Elliston <bje@au.ibm.com>
10256 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10257 x86_64-*-linux* configurations.
10259 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10260 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10262 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10264 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10266 * basic-block.h: Remove the extern for
10267 rediscover_loops_after_threading.
10269 * cfgloop.c (cancel_loop): Make it static.
10270 * cfgloop.h: Remove the prototype for cancel_loop.
10272 * flow.c (recompute_reg_usage): Make it static.
10273 * rtl.h: Remove the prototype for recompute_reg_usage.
10275 * function.c (use_return_register): Make it static.
10276 * function.h: Remove the prototype.
10278 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10280 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10282 * recog.h: Remove the prototype for
10283 validate_change_maybe_volatile.
10285 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10287 * rtlanal.c (replace_reg): Remove.
10288 * rtl.h: Remove the prototype for replace_reg.
10290 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10292 * regclass.c (reg_scan_update): Remove.
10293 (reg_scan_mark_refs): Remove the last argument.
10294 * rtl.h: Remove the prototype for reg_scan_update.
10296 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10298 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10299 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10300 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10301 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10302 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10303 loop-invariant.c, omp-low.c, opts.c, passes.c,
10304 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10305 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10306 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10307 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10308 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10309 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10311 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10313 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10314 * dwarf2out.h: Remove the prototype for
10315 dwarf2out_add_library_unit_info.
10317 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10319 * tree.c (add_var_to_bind_expr): Remove.
10320 * tree.h: Remove the prototype for add_var_to_bind_expr.
10322 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10324 * regclass.c (n_non_fixed_regs): Remove.
10325 (init_reg_sets_1, globalize_reg): Remove all uses of
10327 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10329 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10331 * rtlanal.c (insns_safe_to_move_p): Remove.
10332 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10334 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10336 * expmed.c (expand_mult_add): Remove.
10337 * expr.h: Remove the prototype for expand_mult_add.
10339 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10341 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10342 and REG_SAVED_VAL_EXP constants.
10343 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10344 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10345 Handle regs stored by value.
10346 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10347 (execute_cfa_program): Handle DW_CFA_val_offset,
10348 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10349 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10350 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10351 (uw_install_context_1): Handle target regs stored by value.
10353 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10355 * tree-sra.c (tree_sra): Return todoflags;
10356 (generate_one_element): Set TODO_update_smt_usage if needed.
10357 (pass_sra): Remove TODO_update_smt_usage.
10358 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10360 (tree_ssa_forward_propagate_single_use_vars): Return
10361 TODO_update_smt_usage if we need to update SMT usage.
10362 (pass_forwprop): Remove TODO_update_smt_usage.
10364 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10366 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10367 (correct_use_link): Remove reference to get_stmt_operands.
10368 (update_stmt_operands): Likewise.
10369 (get_modify_expr_operands): New function factored out of
10370 parse_ssa_operands and get_expr_operands.
10371 Try to create V_MUST_DEFs for LHS by default.
10372 (get_expr_operands) <case MODIFY_EXPR>: Call
10373 get_modify_expr_operands.
10374 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10375 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10376 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10377 get_modify_expr_operands.
10379 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10381 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10382 * tree-flow.h: Remove the prototype for
10383 referenced_var_lookup_if_exists.
10385 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10387 PR rtl-optimization/26345
10389 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10391 2006-03-03 Roger Sayle <roger@eyesopen.com>
10393 PR tree-optimization/26524
10394 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10395 fold_convert to create a constant of the appropriate type.
10397 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10399 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10400 SYMBOL_REF_IN_BLOCK_P.
10401 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10402 of SYMBOL_FLAG_IN_BLOCK.
10403 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10404 instead of SYMBOL_REF_IN_BLOCK_P.
10405 * explow.c (use_anchored_address): Likewise.
10406 * rtl.c (rtx_size): Likewise.
10407 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10408 instead of SYMBOL_FLAG_IN_BLOCK.
10409 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10410 SYMBOL_REF_IN_BLOCK_P.
10411 (assemble_variable): Likewise.
10412 (output_constant_def_contents): Likewise.
10413 (output_constant_pool): Likewise.
10414 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10415 instead of SYMBOL_FLAG_IN_BLOCK.
10416 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10417 SYMBOL_REF_IN_BLOCK_P.
10418 (SYMBOL_REF_BLOCK): Likewise.
10419 (SYMBOL_REF_OFFSET): Likewise.
10420 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10421 SYMBOL_REF_IN_BLOCK_P.
10422 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10423 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10424 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10425 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10427 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10429 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10431 2006-03-02 Roger Sayle <roger@eyesopen.com>
10433 * simplify-rtx.c (simplify_unary_operation): When simplifying
10434 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10435 that we perform the right shift in the appropriate mode, and
10436 then extend or truncate the result to requested mode.
10438 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10440 * gengtype.c (main): Handle double_int type.
10441 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10442 * double-int.c: New file.
10443 * double-int.h: New file.
10444 * system.h: Include doubleint.h.
10445 * Makefile.in (SYSTEM_H): Include double-int.h.
10446 (double-int.o): Add.
10448 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10451 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10454 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10456 * tree-vrp.c (remove_range_assertions): Do not update statements
10459 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10461 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10463 * gcse.c (rest_of_handle_gcse): Ditto.
10464 * except.c (gate_handle_eh): Ditto.
10465 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10466 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10468 2006-03-02 Eric Christopher <echristo@apple.com>
10470 * config/i386/i386.c (machopic_output_stub): Add indirection to
10473 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10477 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10479 Sun Niagara specific optimizations.
10480 * config.gcc: Recognize niagara as target.
10481 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10482 (TARGET_CPU_niagara): Define.
10483 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10484 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10485 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10486 (ASM_CPU_SPEC): Likewise.
10487 (PROCESSOR_NIAGARA): New enum entry.
10488 (REGISTER_MOVE_COST): Handle Niagara.
10489 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10490 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10491 (sparc_override_options): Recognize "niagara", set appropriate
10492 default MASK_* values for it, and align functions to 32-bytes
10493 by default just like ULTRASPARC/ULTRASPARC3.
10494 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10495 (sparc64_initialize_trampoline): Likewise.
10496 (sparc_use_sched_lookahead): Use zero for niagara.
10497 (sparc_issue_rate): Use one for niagara.
10498 * config/sparc/niagara.md: New file.
10499 * config/sparc/sparc.md: Include it.
10500 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10501 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10502 when default cpu is niagara.
10503 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10504 (ASM_CPU_SPEC): Likewise.
10505 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10506 when default cpu is niagara.
10507 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10508 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10509 just like v9/ultrasparc/ultrasparc3.
10510 * doc/invoke.texi: Add documentation for "niagara" and improve
10511 existing documentation for ultrasparc variants.
10513 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10515 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10517 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10519 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10520 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10521 and say that only one is needed.
10522 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10523 * target.h (have_switchable_bss_sections): New hook.
10524 * explow.c (use_anchored_address): Check that the symbol is in a block.
10525 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10526 (bss_noswitch_section): New variables.
10527 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10528 (get_noswitch_section): New function.
10529 (get_block_for_section): Allow SECT to be null.
10530 (unlikely_text_section_p): Use SECTION_STYLE.
10531 (bss_initializer_p): New function.
10532 (get_variable_section): Move earlier in file. Take a new argument,
10533 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10534 Return one of the new *_sections in such cases.
10535 (get_block_for_decl): New function, extracting some logic from
10536 use_blocks_for_decl_p.
10537 (change_symbol_section): Remove in favor of...
10538 (change_symbol_block): ...this new function.
10539 (use_blocks_for_decl_p): Remove checks now performed by
10540 get_block_for_decl.
10541 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10542 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10543 (emit_local, emit_bss, emit_common): ...these new functions.
10544 Return true if the alignment was honored.
10545 (emit_tls_common): New function.
10546 (asm_emit_uninitialised): Delete.
10547 (assemble_variable_noswitch): New function, split out from...
10548 (assemble_variable): ...here. Don't make decisions about common
10549 variables here. Globalize all public decls that go into non-common
10550 sections. Check whether SYMBOL_REF_BLOCK is null.
10551 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10552 (output_constant_pool): Likewise.
10553 (init_varasm_once): Initialize the new section variables.
10554 (have_global_bss_p): New function.
10555 (categorize_decl_for_section): Use bss_initializer_p.
10556 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10557 (place_block_symbol): Assert that the symbol must be in a block.
10558 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10559 (TARGET_INITIALIZER): Include it.
10560 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10561 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10562 (SECTION_MACH_DEP): Bump by two.
10563 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10564 (unnamed_section): Mention SECTION_UNNAMED in comment.
10565 (named_section): Likewise SECTION_NAMED.
10566 (noswitch_section_callback): New type.
10567 (noswitch_section): New structure.
10568 (section): Add a noswitch_section alternative.
10569 (SECTION_STYLE): New macro.
10570 (tls_comm_section, comm_section, lcomm_section): Declare.
10571 (bss_noswitch_section, have_global_bss_p): Declare.
10572 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10573 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10575 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10576 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10579 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10581 * tree-vrp.c (execute_vrp): Return value.
10582 * regrename.c (rest_of_handle_regrename): Ditto.
10583 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10584 * tree-complex.c (tree_lower_complex): Ditto.
10585 (tree_lower_complex_O0): Ditto.
10586 * tracer.c (rest_of_handle_tracer): Ditto.
10587 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10588 * postreload.c (rest_of_handle_postreload): Ditto.
10589 * tree-tailcall.c (execute_tail_recursion): Ditto.
10590 (execute_tail_calls): Ditto.
10591 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10592 * tree.h (init_function_for_compilation): Ditto.
10593 * ipa-cp.c (ipcp_driver): Ditto.
10594 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10595 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10596 * final.c (compute_alignments): Ditto.
10597 (rest_of_handle_final): Ditto.
10598 (rest_of_handle_shorten_branches): Ditto.
10599 (rest_of_clean_state): Ditto.
10600 * omp-low.c (execute_expand_omp): Ditto.
10601 (execute_lower_omp): Ditto.
10602 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10603 * ipa-reference.c (static_execute): Ditto.
10604 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10605 * reorg.c (rest_of_handle_delay_slots): Ditto.
10606 (rest_of_handle_machine_reorg): Ditto.
10607 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10608 * flow.c (recompute_reg_usage): Ditto.
10609 (rest_of_handle_remove_death_notes): Ditto.
10610 (rest_of_handle_life): Ditto.
10611 (rest_of_handle_flow2): Ditto.
10612 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10613 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10614 (do_ssa_store_ccp): Ditto.
10615 (execute_fold_all_builtins): Ditto.
10616 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10617 * modulo-sched.c (rest_of_handle_sms): Ditto.
10618 * ipa-pure-const.c (static_execute): Ditto.
10619 * cse.c (rest_of_handle_cse): Ditto.
10620 (rest_of_handle_cse2): Ditto.
10621 * web.c (rest_of_handle_web): Ditto.
10622 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10623 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10624 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10625 * tree-nrv.c (tree_nrv): Ditto.
10626 (execute_return_slot_opt): Ditto.
10627 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10628 (create_structure_vars): Ditto.
10629 * loop-init.c (rtl_loop_init): Ditto.
10630 (rtl_loop_done): Ditto.
10631 (rtl_move_loop_invariants): Ditto.
10632 (rtl_unswitch): Ditto.
10633 (rtl_unroll_and_peel_loops): Ditto.
10634 (rtl_doloop): Ditto.
10635 * gimple-low.c (lower_function_body): Ditto.
10636 (mark_used_blocks): Ditto.
10637 * tree-ssa-sink.c (execute_sink_code): Ditto.
10638 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10639 (cgraph_early_inlining): Ditto.
10640 * global.c (rest_of_handle_global_alloc): Ditto.
10641 * jump.c (cleanup_barriers): Ditto.
10642 (purge_line_number_notes): Ditto.
10643 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10644 (rest_of_handle_if_after_reload): Ditto.
10645 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10646 (tree_ssa_loop_im): Ditto.
10647 (tree_ssa_loop_unswitch): Ditto.
10648 (tree_vectorize): Ditto.
10649 (tree_linear_transform): Ditto.
10650 (tree_ssa_loop_ivcanon): Ditto.
10651 (tree_ssa_empty_loop): Ditto.
10652 (tree_ssa_loop_bounds): Ditto.
10653 (tree_complete_unroll): Ditto.
10654 (tree_ssa_loop_prefetch): Ditto.
10655 (tree_ssa_loop_ivopts): Ditto.
10656 (tree_ssa_loop_done): Ditto.
10657 * predict.c (tree_estimate_probability): Ditto.
10658 * recog.c (split_all_insns_noflow): Ditto.
10659 (rest_of_handle_peephole2): Ditto.
10660 (rest_of_handle_split_all_insns): Ditto.
10661 * tree-eh.c (lower_eh_constructs): Ditto.
10662 * regmove.c (rest_of_handle_regmove): Ditto.
10663 (rest_of_handle_stack_adjustments): Ditto.
10664 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10665 * function.c (instantiate_virtual_regs): Ditto.
10666 (init_function_for_compilation): Ditto.
10667 (rest_of_handle_check_leaf_regs): Ditto.
10668 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10669 (rest_of_handle_gcse): Ditto.
10670 * ipa-type-escape.c (type_escape_execute): Ditto.
10671 * alias.c (rest_of_handle_cfg): Ditto.
10672 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10673 * profile.c (rest_of_handle_branch_prob): Ditto.
10674 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10675 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10676 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10677 * tree-dfa.c (find_referenced_vars): Ditto.
10678 * except.c (set_nothrow_function_flags): Ditto.
10679 (convert_to_eh_region_ranges): Ditto.
10680 (rest_of_handle_eh): Ditto.
10681 * emit-rtl.c (unshare_all_rtl): Ditto.
10682 (remove_unnecessary_notes): Ditto.
10683 * except.h (set_nothrow_function_flags): Ditto.
10684 (convert_to_eh_region_ranges): Ditto.
10685 * cfgexpand.c (tree_expand_cfg): Ditto.
10686 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10687 * tree-ssa-pre.c (do_pre): Ditto.
10688 (execute_fre): Ditto.
10689 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10690 (rest_of_handle_jump2): Ditto.
10691 * tree-sra.c (tree_sra): Ditto.
10692 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10693 (execute_mudflap_function_decls): Ditto.
10694 * tree-ssa-copy.c (do_copy_prop): Ditto.
10695 (do_store_copy_prop): Ditto.
10696 * ipa-prop.h (ipcp_driver): Ditto.
10697 * cfglayout.c (insn_locators_initialize): Ditto.
10698 * tree-ssa-forwprop.c
10699 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10700 * cfglayout.h (insn_locators_initialize): Ditto.
10701 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10702 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10703 (execute_late_warn_uninitialized): Ditto.
10704 * rtl.h (cleanup_barriers): Ditto.
10705 (split_all_insns_noflow): Ditto.
10706 (purge_line_number_notes): Ditto.
10707 (unshare_all_rtl): Ditto.
10708 (remove_unnecessary_notes): Ditto.
10709 (recompute_reg_usage): Ditto.
10710 (variable_tracking_main): Ditto.
10711 * integrate.c (emit_initial_value_sets): Ditto.
10712 * integrate.h (emit_initial_value_sets): Ditto.
10713 * tree-optimize.c (execute_free_datastructures): Ditto
10714 (execute_free_cfg_annotations): Ditto.
10715 (execute_fixup_cfg): Ditto.
10716 (execute_cleanup_cfg_pre_ipa): Ditto.
10717 (execute_cleanup_cfg_post_optimizing): Ditto.
10718 (execute_init_datastructures): Ditto.
10719 * tree-object-size.c (compute_object_sizes): Ditto.
10720 * combine.c (rest_of_handle_combine): Ditto.
10721 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10722 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10723 (rest_of_handle_reorder_blocks): Ditto.
10724 (rest_of_handle_partition_blocks): Ditto.
10725 * var-tracking.c (variable_tracking_main): Ditto.
10726 * tree-profile.c (tree_profiling): Ditto.
10727 * tree-vect-generic.c (expand_vector_operations): Ditto.
10728 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10729 * sched-rgn.c (rest_of_handle_sched): Ditto.
10730 (rest_of_handle_sched2): Ditto.
10731 * basic-block.h (free_bb_insn): Ditto.
10732 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10733 * tree-cfg.c (execute_build_cfg): Ditto.
10734 (remove_useless_stmts): Ditto.
10735 (split_critical_edges): Ditto.
10736 (execute_warn_function_return): Ditto.
10737 (execute_warn_function_noreturn): Ditto.
10738 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10739 * cfgrtl.c (free_bb_for_insn): Ditto.
10740 * passes.c (execute_one_pass): Run additional
10741 todos returned by execute function.
10742 * tree-pass.h (struct tree_opt_pass): Make execute
10745 2006-03-02 Richard Guenther <rguenther@suse.de>
10747 * tree-ssa-alias.c (find_used_portions): Consider taking
10748 the address as making the variable not write-only.
10750 2006-03-02 Nick Clifton <nickc@redhat.com>
10752 * config.gcc (default_use_cxa_atexit): Extend the description of
10753 this configure variable. Set its default value to "yes" for
10754 Linux, NetBSD and ELF targets on the assumption that they will
10755 use C libraries with the __cxa_atexit function.
10757 2006-03-02 Ben Elliston <bje@au.ibm.com>
10759 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10760 parameter as unused to suppress a build warning.
10762 2006-03-02 Ben Elliston <bje@au.ibm.com>
10764 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10767 2006-03-01 Roger Sayle <roger@eyesopen.com>
10770 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10771 declared name, the weak reference name, and the typeof name.
10772 (__gthrw): Avoid expanding the declared name suffix.
10773 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10775 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10777 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10779 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10780 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10781 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10782 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10783 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10784 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10785 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10786 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10787 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10788 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10789 (DW_END_default, DW_END_big, DW_END_little): New.
10790 (DW_END_lo_user, DW_END_hi_user): Define.
10791 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10792 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10793 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10796 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10798 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10800 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10802 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10804 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10806 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10807 to 'symbol_mem_tag'.
10809 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10812 2006-03-01 Roger Sayle <roger@eyesopen.com>
10814 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10816 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10819 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10820 MACHO_DYNAMIC_NO_PIC_P.
10821 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10823 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10826 * config/darwin-protos.h (darwin_asm_output_anchor):
10828 * config/darwin-sections.def (cstring_section):
10829 Add SECTION_MERGE to the flags.
10830 (literal4_section): Likewise.
10831 (literal8_section): Likewise.
10832 (objc_selector_refs_section): Likewise.
10833 (objc_cls_refs_section): Likewise.
10834 * config/darwin.c (darwin_asm_output_anchor): New
10836 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10838 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10840 Fix PR tree-optimization/26443
10841 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10842 to todo and PROP_tmt_usage to properties_destroyed.
10843 * tree-ssa-ccp.c (pass_ccp): Ditto.
10844 (pass_store_ccp): Ditto.
10845 * tree-ssa-dom.c (pass_dominator): Ditto.
10847 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10849 * tree-ssa-operands.c: Cleanup whitespace.
10850 (get_asm_expr_operands): Move before first invocation.
10851 (get_indirect_ref_operands): Likewise.
10852 (get_tmr_operands): Likewise.
10853 (get_call_expr_operands): Likewise.
10854 (append_def): Likewise.
10855 (append_use): Likewise.
10856 (append_v_may_def): Likewise.
10857 (append_v_must_def): Likewise.
10858 (add_call_clobber_ops): Likewise.
10859 (add_call_read_ops): Likewise.
10860 (add_stmt_operand): Likewise.
10861 (add_virtual_operand): Likewise.
10862 (build_ssa_operands): Likewise.
10864 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10866 PR middle-end/26022
10868 PR middle-end/24437
10869 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10870 with a call expr to ...
10871 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10873 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10875 * tree-vrp.c (extract_range_from_assert): Remove special
10876 handling for types with super-types.
10878 2006-03-01 Ben Elliston <bje@au.ibm.com>
10880 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10881 and powerpc64-*-linux* configurations.
10882 * config/t-dfprules: New file.
10884 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10885 Compile dfp-bit.c from the source directory using -DWIDTH and
10886 $DFP_CFLAGS to control the compilation of that file, rather than
10887 generating width-specific versions in the build directory.
10888 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10889 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10891 2006-02-28 Zack Weinberg <zackw@panix.com>
10893 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10896 2006-02-28 Eric Christopher <echristo@apple.com>
10898 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10899 Set up IN_LIBGCC definition of TARGET_64BIT.
10900 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10902 2006-02-28 Roger Sayle <roger@eyesopen.com>
10904 PR middle-end/14752
10905 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10906 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10907 cases via the construction of "expr != 0".
10909 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10911 * alias.c (alias_invariant, alias_invariant_size): Remove.
10912 (record_base_value): Remove.
10913 (memrefs_conflict_p): Don't look at alias_invariant.
10914 (end_alias_analysis): Don't free it.
10915 * alias.h (record_base_value): Remove prototype.
10917 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10918 Adam Nemet <anemet@caviumnetworks.com>
10920 * rtl.h (truncated_to_mode): Declare it.
10921 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10922 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10923 (RTL_HOOKS_INITIALIZER): Include it.
10924 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10925 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10926 reg_truncated_to_mode.
10927 * rtlanal.c (truncated_to_mode): Define it.
10928 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10930 2006-02-28 Jeff Law <law@redhat.com>
10932 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10933 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10934 the range allowed by TYPE_PRECISION.
10936 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10938 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10940 PR tree-optimization/26419
10941 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10944 2006-02-27 Zack Weinberg <zackw@panix.com>
10946 * doc/md.texi: Fix typo in previous change.
10948 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10952 2006-02-27 Zack Weinberg <zackw@panix.com>
10954 * rtl.def (define_constraint, define_register_constraint)
10955 (define_memory_constraint, define_address_constraint): New MD forms.
10956 * gensupport.c (process_rtx): Put define_constraint etc on the
10958 * genpreds.c (process_define_predicate): Adjust comment. Validate
10959 the name, and call validate_exp to validate the expression.
10960 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10961 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10962 all callers changed.
10963 (validate_exp, needs_variable, struct constraint_data)
10964 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10965 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10966 (const_dbl_constraints, constraint_max_namelen)
10967 (have_register_constraints, have_memory_constraints)
10968 (have_address_constraints, have_address_constraints)
10969 (have_extra_constraints, have_const_int_constraints)
10970 (have_const_dbl_constraints, mangle, add_constraint)
10971 (process_define_constraint, process_define_register_constraint)
10972 (write_enum_constraint_num, write_lookup_constraint)
10973 (write_insn_constraint_len, write_regclass_for_constraint)
10974 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10975 (write_insn_extra_memory_constraint)
10976 (write_insn_extra_address_constraint)
10977 (write_satisfies_constraint_fns): New.
10978 (write_tm_preds_h): If we have new-style constraint definitions,
10979 prototype the functions generated from them, and define the
10980 old constraint interface (still used by generic code) in terms of
10982 (write_insn_preds_c): If we have new-style constraint definitions,
10983 generate all relevant functions from those definitions.
10984 (main): Handle define_constraint etc.
10985 * genoutput.c (struct constraint_data, indep_constraints)
10986 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10987 (mdep_constraint_len): New data structures and functions, defined
10988 #ifdef USE_MD_CONSTRAINTS.
10989 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10990 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10991 use new logic to validate operand constraints against constraint
10993 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10995 * defaults.h: If none of the old-style constraint macros are
10996 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10997 old-style macros; and poison REG_CLASS_FROM_LETTER,
10998 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11000 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11001 * doc/md.texi: Document new constraint-definition mechanism and the
11002 C interface it provides. Remove references to old mechanism
11003 elsewhere in the document.
11004 (Machine Constraints): Use pathnames relative to gcc directory,
11005 i.e. config/ARCH/FILE. Change i386 section to refer to
11006 config/i386/predicates.md; update that section to match docstrings.
11007 * doc/tm.texi: Move all documentation of the old constraint-
11008 definition macros to their own section, clearly mark as obsolete.
11010 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11011 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11013 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11014 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11015 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11016 constraint strings.
11017 (splits and peepholes): Use satisfies_constraint_*.
11018 * config/i386/i386.c (memory_address_length)
11019 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11021 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11023 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11024 scalar operation to be put back into the loop.
11026 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11029 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11030 (extract_cie_info): Handle S flag in augmentation string.
11031 (execute_cfa_program): If context->signal_frame, execute also
11032 fs->pc == context->ra instructions.
11033 (uw_frame_state_for): If context->signal_frame, don't subtract one
11034 from context->ra to find FDE.
11035 (uw_update_context_1): Set context->signal_frame to
11037 (_Unwind_GetIPInfo): New function.
11038 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11039 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11041 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11042 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11043 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11044 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11045 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11046 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11047 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11048 x86_64_fallback_frame_state): Set fs->signal_frame.
11049 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11050 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11051 (frob_update_context): Likewise. Workaround missing S flag in
11052 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11053 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11054 Remove the psw_addr + 1 hack.
11056 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11058 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11059 with aggregates here.
11060 (find_func_aliases): Remove code for &<aggregate> from here.
11062 2006-02-26 Roger Sayle <roger@eyesopen.com>
11064 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11065 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11066 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11067 as (X & C) ne/eq 0.
11069 2006-02-26 Roger Sayle <roger@eyesopen.com>
11071 PR middle-end/19983
11072 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11074 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11076 * opts.c (decode_options): Do not handle flag_strength_reduce.
11077 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11078 and OPT_fstrength_reduce.
11079 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11080 flag_prefetch_loop_arrays for being nonzero.
11081 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11083 (fprefetch-loop-arrays-rtl): Removed.
11084 (flag_prefetch_loop_arrays): Do not specify the value.
11086 * doc/passes.texi: Update documentation of loop optimizer
11088 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11089 -frerun-loop-opt): Remove.
11091 2006-02-26 Richard Guenther <rguenther@suse.de>
11093 PR tree-optimization/26421
11094 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11095 in function calls that are ADDR_EXPRs as using the whole structure.
11097 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11099 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11100 * tree-pass.h (pass_loop_optimize): Remove.
11101 * passes.c (pass_loop_optimize): Never run it.
11102 * toplev.c (backend_init): Don't call init_loop.
11103 * opts.c (flag_loop_optimize_set): Remove.
11104 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11105 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11106 the old RTL loop optimizer when profiling enabled.
11107 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11108 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11109 pre-headers for the sake of the old RTL loop optimizer.
11110 * Makefile.in: Remove all references to loop.o.
11112 * doc/invoke.texi: Remove all references to -floop-optimize
11113 and -frerun-loop-opt.
11115 2006-02-26 Zack Weinberg <zackw@panix.com>
11117 * doc/md.texi (Machine Constraints): Refer to all files with paths
11118 relative to gcc directory (i.e. config/CPU/file). Add missing
11119 @table @code ... @end table to M32C subsection.
11121 2006-02-26 Roger Sayle <roger@eyesopen.com>
11123 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11125 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11127 2006-02-26 Roger Sayle <roger@eyesopen.com>
11128 James A. Morrison <phython@gcc.gnu.org>
11130 PR middle-end/21137
11131 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11132 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11133 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11134 signedness of the shift operation.
11136 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11138 PR tree-optimization/26359
11139 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11141 2006-02-25 Roger Sayle <roger@eyesopen.com>
11143 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11144 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11145 as X == 0, and some symmetry related transformations.
11146 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11148 2006-02-25 Roger Sayle <roger@eyesopen.com>
11150 PR middle-end/23673
11151 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11152 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11153 symmetry related transformations. Fold (X^C1) == C2 as
11156 2006-02-25 Juergen Weigert <jw@suse.de>
11157 Richard Guenther <rguenther@suse.de>
11159 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11161 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11163 * combine.c (gen_lowpart_or_truncate): Call
11164 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11166 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11168 * doc/invoke.texi: Move -fopenmp description to "Options for
11170 Remove reference to -lgomp.
11172 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11174 * doc/install.texi: Require GNU tar version 1.14.
11176 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11178 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11179 * doc/invoke.texi (C++ Dialect Options): Document
11180 -fno-use-cxa-get-exception-ptr.
11181 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11182 * configure: Regenerate.
11183 * c.opt (fuse-cxa-get-exception-ptr): New.
11184 * c-opts.c (c_common_handle_option): Handle
11185 OPT_fuse_cxa_get_exception_ptr.
11186 * c-common.c (flag_use_cxa_atexit): Update documentation.
11187 (flag_use_cxa_get_exception_ptr): New.
11188 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11189 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11191 (C_COMMON_OVERRIDE_OPTIONS): New.
11193 2006-02-24 Roger Sayle <roger@eyesopen.com>
11195 PR middle-end/24952
11196 * combine.c (try_combine): Explicitly check whether GET_CODE is
11197 a SET or a CLOBBER, instead on checking that it isn't a USE.
11199 2006-02-24 Roger Sayle <roger@eyesopen.com>
11201 * fold-const.c (fold_comparison): New subroutine of fold_binary
11202 containing transformations common to both the equality and
11203 ordering relational operators, factored out of fold_binary.
11204 (fold_binary): Separate out the equality operators (EQ_EXPR
11205 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11206 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11207 transformations common to both.
11208 (fold_div_compare): Fix latent bugs in the previously unreachable
11209 LT_EXPR and GE_EXPR cases.
11211 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11213 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11214 decl libname for clog to __clog on AIX.
11216 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11218 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11221 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11222 output traceback table for thunks. Localise rs6000_stack_info call.
11224 2006-02-23 Roger Sayle <roger@eyesopen.com>
11225 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11227 * gthr-posix.h (__gthrw): Fix typo in comment.
11229 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11231 * doc/cpp.texi (Character sets): Document that we do support
11232 input files to be in any character set.
11234 2006-02-23 Jeff Law <law@redhat.com>
11236 * tree.h (PHI_ARG_NONZERO): Remove.
11237 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11238 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11239 node to the new node.
11241 PR tree-optimization/26425
11242 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11243 min/max, then assume its varying.
11245 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11247 PR rtl-optimization/26316
11248 * rtlanal.c (enum may_trap_p_flags): New.
11249 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11250 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11251 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11252 (may_trap_after_code_motion_p): New function.
11253 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11254 (find_invariant_insn): Use may_trap_after_code_motion_p.
11255 * rtl.h (may_trap_after_code_motion_p): Declare.
11257 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11259 * emit-rtl.c (immed_double_const): Cleanup.
11261 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11263 Fix PR tree-optimization/26376
11264 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11267 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11269 PR middle-end/26412
11270 * gimplify.c (omp_add_variable): Guard variable size decl test with
11271 DECL_SIZE (decl) check.
11273 2006-02-23 Richard Guenther <rguenther@suse.de>
11275 PR middle-end/26439
11276 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11277 like aggregate types.
11279 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11281 * configure.ac: Add --with{,out}-long-double-128 configure option.
11282 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11283 * configure: Rebuilt.
11284 * config.in: Rebuilt.
11285 * doc/install.texi (Options specification): Document
11286 --with-long-double-128.
11288 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11289 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11290 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11291 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11293 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11295 * config/s390/s390.c (override_options): Handle
11296 TARGET_DEFAULT_LONG_DOUBLE_128.
11298 * config/alpha/alpha.c (override_options): Handle
11299 TARGET_DEFAULT_LONG_DOUBLE_128.
11301 * config/sparc/sparc.c (sparc_override_options): Handle
11302 TARGET_DEFAULT_LONG_DOUBLE_128.
11304 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11306 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11307 (real-install-headers-tar, real-install-headers-cpio)
11308 (real-install-headers-cp): New targets.
11310 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11312 * tree.h (variable_section): Delete.
11313 * varasm.c (variable_section): Delete.
11315 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11317 * install.texi: Add notes on install.texi2html.
11318 (Building in parallel): Do not use footnotes.
11320 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11323 * doc/install.texi (Configuration): Document --disable-libgomp.
11325 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11327 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11329 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11331 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11332 (vec_extractv2df_0_sse): New.
11334 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11336 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11337 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11338 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11339 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11340 to the result of the expression.
11341 (def_cfa_1): Adjust.
11342 (frame_pointer_cfa_offset): Rename to...
11343 (frame_pointer_fb_offset): ... this. Adjust all uses.
11344 (convert_cfa_to_loc_list): Rename to...
11345 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11346 Pass it on to build_cfa_loc.
11347 (compute_frame_pointer_to_cfa_displacement): Rename to...
11348 (compute_frame_pointer_to_fb_displacement): ... this. New
11349 offset parameter. Use it in computation.
11350 (gen_subprogram_die): Compute cfa_fb_offset with the new
11351 macro, and use it to compute the fb loc list and the
11354 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11356 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11357 replaced with register_operand.
11358 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11359 non-DREG is expensive.
11360 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11361 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11364 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11366 * doc/install.texi2html: Use set -e.
11368 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11370 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11371 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11372 * doc/invoke.texi (-fshared-data): Delete.
11373 * common.opt (fshared-data): Delete.
11374 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11375 (assemble_static_space): Remove #if 0 code.
11376 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11377 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11378 * config/cris/cris.h: Remove FIXME.
11380 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11382 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11385 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11387 PR middle-end/26379
11388 * combine.c (simplify_shift_const_1): Disable nested shifts
11389 optimization for vector shifts.
11391 2006-02-20 Roger Sayle <roger@eyesopen.com>
11393 PR tree-optimization/26361
11394 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11395 of unsigned integer types.
11397 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11399 * tree-chrec.c (eq_evolutions_p): New.
11400 * tree-chrec.h (eq_evolutions_p): Declared.
11401 * tree-data-ref.c: Fix formatting.
11402 (datadep_stats, dependence_stats): New.
11404 (print_direction_vector): New.
11405 (dump_data_dependence_relation): Use print_direction_vector.
11406 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11407 (compute_subscript_distance): Static.
11408 (initialize_data_dependence_relation): Static. Get the number
11409 of loops surrounding the references from the callers, and initialize
11410 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11411 base_object_differ_p analyzers.
11412 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11413 compute_overlap_steps_for_affine_1_2,
11414 analyze_subscript_affine_affine): Count the classified dependences.
11415 Print a message when a test failed.
11416 (can_use_analyze_subscript_affine_affine): New.
11417 (analyze_siv_subscript): Compute the data dependences on symbolic
11418 scevs that verify can_use_analyze_subscript_affine_affine.
11419 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11420 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11421 Handle symbolic scevs.
11422 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11424 (subscript_dependence_tester): Moved...
11425 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11426 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11427 DDR_SIZE_VECT instead of getting it in parameter.
11428 (subscript_dependence_tester): ... here. Take as a parameter
11429 loop_nest_depth. Call build_classic_dist_vector and
11430 build_classic_dir_vector.
11431 (compute_affine_dependence): Update subscript_dependence_tester
11432 parameters. Update datadep_stats counters. Call
11433 compute_subscript_distance.
11434 (compute_self_dependence): Save the dist and dir vectors. Call
11435 compute_subscript_distance.
11436 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11437 (compute_all_dependences): Reorder parameters as they were before
11438 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11439 compute_subscript_distance. Update the use of
11440 compute_affine_dependence and initialize_data_dependence_relation.
11441 (find_data_references_in_loop): Handle COMPONENT_REF.
11442 (compute_data_dependences_for_loop): Initialize dependence_stats.
11443 Don't call build_classic_dist_vector and build_classic_dir_vector.
11444 Update the parameters of initialize_data_dependence_relation and
11445 compute_all_dependences. Print the statistics from datadep_stats.
11446 (analyze_all_data_dependences): Static. Not used until the pass for
11447 checking the data dependences is contributed.
11448 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11449 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11450 (initialize_data_dependence_relation, compute_affine_dependence,
11451 analyze_all_data_dependences, compute_subscript_distance): Removed.
11452 (print_direction_vector): New.
11453 * lambda.h (gcd): ... here.
11454 (lambda_vector_gcd): Moved here from gcd_vector.
11455 * lambda-code.c (gcd, gcd_vector): Removed.
11456 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11457 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11459 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11461 * ipa-type-escape.c: Tidy some comments and white space.
11462 * tree-ssa-operands.c: Likewise.
11464 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11467 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11468 (dump_decl_name): Do not walk the decl tree chains.
11469 * tree-pass.h (TDF_CHAIN): Remove.
11471 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11473 * Makefile.in (C): Remove
11475 (.PHONY): Remove C and PROTO
11477 2006-02-20 Roger Sayle <roger@eyesopen.com>
11479 PR middle-end/26236
11480 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11481 deprecated CHAR_TYPE tree code.
11483 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11485 * configure.ac (target_list): Add install-info, dvi, html.
11486 * configure: Regenerate.
11488 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11489 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11490 treelang/Make-lang.in: Do not use double-colon rules.
11492 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11494 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11495 (TMT_USED_ALONE): New macro.
11496 * tree-pass.h (PROP_tmt_usage): New property.
11497 (TODO_update_tmt_usage): New todo.
11498 * tree-ssa-alias.c (updating_used_alone): New variable.
11499 (recalculate_used_alone): New function.
11500 (compute_may_aliases): Set updating_used_alone, call
11501 recalculate_used_alone.
11502 * tree-sra.c (pass_sra): Note that this pass destroys
11503 PROP_tmt_usage, and add TODO_update_tmt_usage.
11504 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11505 * tree-flow.h (updating_used_alone): Prototype.
11506 (recalculate_used_alone): Ditto.
11507 * passes.c (execute_todo): Add code to set updating_used_alone,
11508 and call recalculate.
11509 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11510 for clobber if used alone, and add assert to verify used_alone
11513 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11515 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11516 for non tls symbols added.
11517 (legitimize_address): Do nothing for PLUS expressions if one of the
11518 addends is a tls symbol reference.
11520 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11524 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11526 * Makefile.in (BOOTSTRAPPING): New.
11527 (quickstrap): New definition if BOOTSTRAPPING=yes.
11529 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11530 * configure.ac: Substitute all_selected_languages with the languages
11531 that were configured. For all the other variables except
11532 lang_specs_files, include all the languages in the tree.
11533 * configure: Regenerate.
11535 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11536 if there is one. Run the commands to run fixincludes in the same
11539 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11540 * doc/install.texi: Document exact conventions for searching target tools.
11541 Document --with-build-time-tools. Document toplevel bootstrap. Document
11542 something more about building an Ada cross-compiler. Don't list GNU Make
11543 requirements which affect all platforms.
11545 2006-02-19 Roger Sayle <roger@eyesopen.com>
11547 PR middle-end/19543
11548 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11549 only equivalent if the have both the same mode and precision.
11551 2006-02-20 Ben Elliston <bje@au.ibm.com>
11553 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11555 2006-02-19 Roger Sayle <roger@eyesopen.com>
11556 Steven Bosscher <stevenb.gcc@gmail.com>
11558 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11559 constant pool references to identify stack mode constants.
11560 * rtlanal.c (constant_pool_constant_p): New predicate to check
11561 whether operand is a floating point constant in the pool.
11562 * rtl.h (constant_pool_constant_p): Prototype here.
11563 * loop.c (scan_loop): Avoid hoisting constants from the constant
11564 pool on STACK_REGS targets.
11565 (load_mems): Likewise.
11566 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11567 loads into x87 registers expensive in terms of register pressure.
11569 2006-02-19 Roger Sayle <roger@eyesopen.com>
11571 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11572 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11574 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11576 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11577 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11579 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11581 * doc/invoke.texi: Document -fipa-pta.
11582 * common.opt: Add ipa-pta option.
11583 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11584 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11585 (do_ds_constraint): Ditto.
11586 (get_constraint_for): Only add to referenced_vars if
11587 referenced_vars exists.
11588 (insert_into_field_list): Rewrite to do this unsorted.
11589 (insert_into_field_list_sorted): Rename old insert_into_field_list
11591 (create_function_info_for): Use insert_into_field_list_sorted.
11592 (create_variable_info_for): Rewrite so it uses unsorted version,
11593 since the field list is sorted.
11594 (intra_create_variable_infos): Only add to referenced_vars if
11595 referenced_vars exists.
11596 (ipa_pta_execute): Init heapvars, and delete when done.
11597 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11599 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11601 * doc/install.texi: Add missing `@samp'.
11603 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11605 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11608 2006-02-18 Mark Wielaard <mark@klomp.org>
11610 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11611 who added new 4.1 features, bug fixes and integration support.
11613 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11616 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11617 MEM for ABI_V4 pic.
11619 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11621 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11622 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11623 (copy_insn_1): Likewise. Don't copy each field individually.
11625 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11627 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11628 * rtl.c (rtx_size): Rename variable to...
11629 (rtx_code_size): ...this.
11630 (rtx_size): New function.
11631 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11632 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11634 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11635 * rtl.h (rtx_code_size): New variable.
11636 (rtx_size): Change from a variable to a function.
11637 (RTX_SIZE): Rename to...
11638 (RTX_CODE_SIZE): ...this.
11641 PR tree-optimization/17106
11642 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11643 (Anchored Addresses): New section.
11644 * doc/invoke.texi (-fsection-anchors): Document.
11645 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11646 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11647 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11648 * hooks.c (hook_bool_mode_rtx_false): New function.
11649 * hooks.h (hook_bool_mode_rtx_false): Declare.
11650 * gengtype.c (create_optional_field): New function.
11651 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11652 SYMBOL_REF_IN_BLOCK_P is true.
11653 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11654 (min_anchor_offset, max_anchor_offset): Likewise.
11655 (use_anchors_for_symbol_p): New hook.
11656 * toplev.c (compile_file): Call output_object_blocks.
11657 (target_supports_section_anchors_p): New function.
11658 (process_options): Check that -fsection-anchors is only used on
11659 targets that support it and when -funit-at-a-time is in effect.
11660 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11661 if the decl doesn't have one.
11662 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11663 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11664 of force_const_mem through use_anchored_address.
11665 (expand_expr_constant): New function.
11666 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11667 calling expand_expr for INDIRECT_REF.
11668 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11669 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11670 * expr.h (use_anchored_address): Declare.
11671 * loop-unroll.c: Don't declare rtx vectors here.
11672 * explow.c: Include output.h.
11673 (validize_mem): Call use_anchored_address.
11674 (use_anchored_address): New function.
11675 * common.opt (-fsection-anchors): New switch.
11676 * varasm.c (object_block_htab, anchor_labelno): New variables.
11677 (hash_section, object_block_entry_eq, object_block_entry_hash)
11678 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11679 (use_blocks_for_decl_p, change_symbol_section): New functions.
11680 (get_variable_section): New function, split out from assemble_variable.
11681 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11682 use_blocks_for_decl_p say so. Use change_symbol_section if the
11683 symbol has already been created.
11684 (assemble_variable_contents): New function, split out from...
11685 (assemble_variable): ...here. Don't output any code for
11686 block symbols; just pass them to place_block_symbol.
11687 Use get_variable_section and assemble_variable_contents.
11688 (get_constant_alignment, get_constant_section, get_constant_size): New
11689 functions, split from output_constant_def_contents.
11690 (build_constant_desc): Create a block symbol if use_object_blocks_p
11691 says so. Or into SYMBOL_REF_FLAGS.
11692 (assemble_constant_contents): New function, split from...
11693 (output_constant_def_contents): ...here. Don't output any code
11694 for block symbols; just pass them to place_section_symbol.
11695 Use get_constant_section and get_constant_alignment.
11696 (force_const_mem): Create a block symbol if use_object_blocks_p and
11697 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11698 (output_constant_pool_1): Add an explicit alignment argument.
11699 Don't switch sections here.
11700 (output_constant_pool): Adjust call to output_constant_pool_1.
11701 Switch sections here instead. Don't output anything for block symbols;
11702 just pass them to place_block_symbol.
11703 (init_varasm_once): Initialize object_block_htab.
11704 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11705 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11706 (place_block_symbol, get_section_anchor, output_object_block)
11707 (output_object_block_htab, output_object_blocks): New functions.
11708 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11709 (TARGET_ASM_OUT): Include it.
11710 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11711 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11712 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11713 (TARGET_INITIALIZER): Include them.
11714 * rtl.c (rtl_check_failed_block_symbol): New function.
11715 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11716 (block_symbol, object_block): New structures.
11717 (rtx_def): Add a block_symbol field to the union.
11718 (BLOCK_SYMBOL_CHECK): New macro.
11719 (rtl_check_failed_block_symbol): Declare.
11720 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11721 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11722 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11723 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11724 * output.h (output_section_symbols): Declare.
11725 (object_block): Name structure.
11726 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11727 (default_use_anchors_for_symbol_p): Declare.
11728 * Makefile.in (RTL_BASE_H): Add vec.h.
11729 (explow.o): Depend on output.h.
11730 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11731 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11732 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11733 (rs6000_use_blocks_for_constant_p): New function.
11735 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11737 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11739 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11742 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11745 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11747 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11751 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11753 PR middle-end/26334
11754 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11755 instead of DECL_REGISTER.
11757 2006-02-18 Olivier Hainque <hainque@adacore.com>
11760 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11762 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11765 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11766 * opth-gen.awk: Handle Var and InverseMask together.
11767 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11768 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11769 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11770 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11772 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11773 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11774 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11775 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11776 LINUX_DYNAMIC_LINKER): Define.
11777 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11778 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11780 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11781 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11782 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11783 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11784 (TARGET_C99_FUNCTIONS): Don't define.
11785 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11786 GLIBC_DYNAMIC_LINKER.
11787 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11788 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11789 GLIBC_DYNAMIC_LINKER64): Define.
11790 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11791 LINUX_DYNAMIC_LINKER64.
11792 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11793 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11794 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11795 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11796 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11797 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11798 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11799 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11800 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11801 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11802 and LINUX_DYNAMIC_LINKER32.
11803 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11804 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11805 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11806 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11807 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11809 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11810 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11811 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11812 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11813 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11814 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11815 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11816 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11817 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11818 LINUX_DYNAMIC_LINKER): Define.
11819 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11820 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11821 GLIBC_DYNAMIC_LINKER64): Define.
11822 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11823 LINUX_DYNAMIC_LINKER64.
11824 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11825 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11826 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11827 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11828 LINUX_DYNAMIC_LINKER): Define.
11829 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11830 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11831 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11832 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11833 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11834 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11835 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11836 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11837 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11838 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11839 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11840 * doc/invoke.texi (-muclibc): Remove caveat about supported
11843 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11845 * doc/cpp.texi (__TIMESTAMP__): Document.
11847 2006-02-17 Roger Sayle <roger@eyesopen.com>
11849 PR middle-end/25600
11850 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11851 C is one less than the width of X (and related transformations).
11852 * simplify-rtx.c (simplify_unary_operation_1): Transform
11853 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11854 depending on STORE_FLAG_VALUE, were C is one less then the
11857 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11859 Fix PR tree-optimization/26341
11860 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11861 about NAME_MEMORY_TAG's.
11863 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11866 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11867 with hardware float support, and software float support. Add fcpy
11868 alternative to hardware patterns. Add alternatives to copy between
11869 general and floating-point registers to the 32-bit pattern.
11870 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11871 secondary reload to load a QI or HI mode constant into a floating
11873 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11874 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11876 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11879 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11881 (load_macho_picbase_di): Likewise.
11883 2006-02-16 Jeff Law <law@redhat.com>
11885 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11886 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11887 (ssa_name_nonzero_p): Likewise.
11888 (get_value_range): Return NULL if VRP is not running.
11889 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11890 VRP routines do not discover a range.
11891 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11892 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11893 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11894 (tree_expr_nonnegative_p): Similarly.
11895 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11896 (restore_nonzero_vars_to_original_value): Remove.
11897 (unsafe_associative_fp_binop): Remove.
11898 (tree_ssa_dominator_optimize): Remove initialization and
11899 finalization of nonzero_vars and nonzero_vars_stack.
11900 (dom_opt_initialize_block): No longer push marker on
11901 nonzero_vars_stack.
11902 (dom_opt_finalize_block): No longer call
11903 restore_nonzero_vars_to_original_value.
11904 (record_equivalences_from_phis): No longer look for
11905 nonzero PHI arguments.
11906 (cprop_into_successor_phis): No longer propagate nonzero
11907 property into PHI arguments. Lose unused argument. Caller
11909 (record_equivalences_from_stmt): No longer record nonzero
11910 values for SSA_NAMEs.
11911 (lookup_avail_expr): No longer use nonzero_vars.
11913 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11914 for sizetype when sizetype is unsigned.
11916 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11918 PR rtl-optimization/25603
11919 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11920 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11921 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11922 with new meaning of SETS.
11924 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11929 * config/linux.opt: New file.
11930 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11931 LINUX_DYNAMIC_LINKER): Define.
11932 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11933 * config.gcc (*-*-linux*): Define extra_options.
11934 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11935 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11936 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11937 GLIBC_DYNAMIC_LINKER.
11938 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11939 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11940 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11941 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11942 * doc/invoke.texi (GNU/Linux Options): New section.
11944 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11946 * config/sparc/sparc.md (setjmp): Rewrite.
11947 (setjmp_32): Delete.
11948 (setjmp_64): Likewise.
11950 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11952 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11955 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11957 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11960 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11962 PR rtl-optimization/26296
11963 * Makefile.in (loop-invariant.c): Add except.h dependency.
11964 * loop-invariant.c: Include except.h.
11965 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11967 2005-02-16 Paul Brook <paul@codesourcery.com>
11969 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11972 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11974 PR rtl-optimization/25636
11975 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11976 when deciding whether an insn is an initializing insn.
11978 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11980 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11981 (tree_code_size): Ditto.
11982 * tree.h (struct tree_memory_tag): Remove parent_var.
11983 (struct tree_struct_field_tag): New.
11986 (union tree_node): Add sft member.
11987 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11989 (create_sft): Add size and offset argument, set SFT_OFFSET and
11991 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11992 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11993 * tree-flow-inline.h (get_subvar_at): Update for
11994 SFT_OFFSET/SFT_SIZE.
11995 (var_can_have_subvars): Ditto.
11996 (overlap_subvar): Ditto.
11997 * print-tree.c (print_node): Print out interesting things for
11999 * tree-flow.h (struct subvar): Remove offset and size members.
12000 * tree-ssa-operands.c (get_expr_operands): Update for
12001 get_indirect_ref_operands changes.
12002 (get_indirect_ref_operands): Call add_virtual_operand instead of
12003 add_stmt_operand. Only recurse on base var if requested.
12004 (access_can_touch_variable): New function.
12005 (add_stmt_operand): Split virtual operand handling into ...
12006 (add_virtual_operand): Here. Add offset, size, and for_clobber
12007 arguments. Prune alias sets.
12008 (add_call_clobber_ops): Call add_virtual_operand.
12010 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12012 PR middle-end/26300
12013 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12015 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12016 than TREE_CODE as index into omp_clause_num_ops array.
12018 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12020 PR rtl-optimization/26184
12021 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12023 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12024 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12025 must_precede, must_follow and tobe_scheduled.
12028 * opts.c (common_handle_option): Free new_option pointer.
12029 * df-core.c (df_analyze): Free postorder pointer.
12031 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12033 * Makefile.in: Fix the examples about the use of stamps
12035 2006-02-15 Michael Matz <matz@suse.de>
12037 PR middle-end/22275
12039 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12040 influenced by maximum_field_alignment or DECL_PACKED.
12041 (update_alignment_for_field): Ditto.
12042 (place_field): Ditto.
12043 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12046 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12048 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12049 (debug_flow_info): Pass it.
12050 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12051 * bb-reorder.c (reorder_basic_blocks): Likewise.
12052 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12053 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12054 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12055 * gcse.c (gcse_main, bypass_jumps): Likewise.
12056 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12057 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12058 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12059 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12060 * rtl.h (dump_flow_info): Adjust prototype.
12061 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12062 * var-tracking.c (variable_tracking_main): Likewise.
12063 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12064 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12067 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12069 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12072 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12074 PR tree-optimization/26209
12075 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12076 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12078 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12080 2006-02-14 Roger Sayle <roger@eyesopen.com>
12082 PR middle-end/23670
12083 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12084 (X,Y) and the corresponding symmetry related transformations.
12085 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12086 (X,Y) and its symmetry related transformations.
12088 2006-02-14 Roger Sayle <roger@eyesopen.com>
12090 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12093 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12095 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12097 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12100 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12101 support COMDAT group.
12102 * configure: Regenerate.
12104 2006-02-14 Roger Sayle <roger@eyesopen.com>
12106 PR middle-end/26279
12107 PR middle-end/26280
12108 PR middle-end/26283
12109 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12111 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12113 Fix PR tree-optimization/26260
12115 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12117 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12118 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12119 * tree-ssa-structalias.c (create_variable_info_for): Use
12120 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12122 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12124 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12126 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12127 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12128 of the ending condition.
12129 * tree-ssa-loop-manip.c: Include params.h.
12130 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12131 tree_unroll_loop): New functions.
12132 * tree-pass.h (pass_loop_prefetch): Declare.
12133 * loop.c (rest_of_handle_loop_optimize): Test for
12134 -fprefetch-loop-arrays-rtl.
12135 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12136 * timevar.def (TV_TREE_PREFETCH): New timevar.
12137 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12138 pass_loop_prefetch): New.
12139 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12140 (cleanup_tree_cfg_loop): Call scev_reset.
12141 * common.opt (fprefetch-loop-arrays-rtl): Add.
12142 * tree-ssa-loop-prefetch.c: New file.
12143 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12144 (new_temp_expr_table): Initialize expr_vars.
12145 (free_temp_expr_table): Cleanup expr_vars.
12146 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12147 expressions from being merged into one.
12148 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12149 (struct tree_niter_desc): Add control, bound and cmp fields.
12150 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12152 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12153 (tree-cfgcleanup.o): Add SCEV_H dependency.
12154 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12155 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12157 2006-02-14 Richard Guenther <rguenther@suse.de>
12159 PR tree-optimization/26258
12160 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12161 in PHI argument processing.
12163 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12165 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12166 new expression in the requested machine mode.
12168 2006-02-13 Roger Sayle <roger@eyesopen.com>
12170 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12171 directly, instead let do_compare_rtx_and_jump handle this for us.
12172 * expr.c (expand_expr_real_1): Likewise.
12173 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12174 before do_jump_by_parts_greater.
12175 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12176 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12178 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12180 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12182 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12184 PR rtl-optimization/26235
12185 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12186 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12189 2006-02-13 Jeff Law <law@redhat.com>
12191 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12194 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12196 PR middle-end/26092
12197 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12198 twice if decl is a builtin. When trying again, call get_callee_fndecl
12199 first to verify it is still a builtin.
12201 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12203 * dwarf2out.c (base_type_die): Don't add AT_name here.
12204 (subrange_type_die): Don't add AT_name here.
12205 (modified_type_die): Rearrange code flow. Do add AT_name here.
12207 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12209 PR rtl-optimization/26247
12210 PR rtl-optimization/26248
12211 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12213 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12215 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12216 * config/fixtfdi.c: Likewise.
12217 * config/fixunstfdi.c: Likewise.
12218 * config/floatditf.c: Likewise.
12220 2006-02-13 Roger Sayle <roger@eyesopen.com>
12222 PR middle-end/24427
12223 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12224 into (X,C2) if C1 is a subset of the bits of C2. Transform
12225 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12227 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12229 2006-02-13 Josh Conner <jconner@apple.com>
12232 * varasm.c (function_section): Check for section name before
12233 calling select_section on targets that define
12234 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12235 unlikely_text_section instead of hot_function_section if
12236 first_function_block_is_cold.
12238 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12240 PR middle-end/25335
12241 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12243 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12245 PR rtl-optimization/26222
12246 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12247 after tree->rtl expansion.
12248 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12249 before passing it to emit_move_insn.
12251 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12253 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12255 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12256 Clarify documentation.
12257 * c-common.h (warn_write_strings): Remove.
12258 * c-common.c (warn_write_strings): Likewise.
12259 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12262 2006-02-12 Roger Sayle <roger@eyesopen.com>
12264 PR middle-end/25724
12265 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12266 (do_jump_parts_zero_rtx): New function renamed from
12267 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12268 (do_jump_parts_equality_rtx): New function split out from
12269 do_jump_parts_equality. Old implementation renamed as above.
12270 Call do_jump_parts_zero_rtx if either operand is zero.
12271 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12272 do all of the heavy lifting.
12273 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12274 calling either do_jump_by_parts_greater_rtx or
12275 do_jump_by_parts_equality_rtx.
12276 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12277 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12278 moved to do_compare_rtx_and_jump, call it directly.
12279 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12280 mode argument. Call do_compare_rtx_and_jump.
12281 (emit_case_nodes): Update calls to do_jump_if_equal.
12283 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12285 PR rtl-optimization/26225
12286 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12288 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12290 PR rtl-optimization/26232
12291 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12293 2006-02-11 Jason Merrill <jason@redhat.com>
12296 * tree-inline.c (declare_return_variable): Just don't use the
12297 modify target if it's a gimple complex reg and the return slot
12300 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12302 * doc/contrib.texi: Update my entry.
12304 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12306 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12308 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12310 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12313 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12315 * doc/invoke.texi (-floop-optimize2): Removed.
12316 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12317 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12318 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12319 * common.opt (floop-optimize2): Removed.
12320 (fmove-loop-invariants): Enabled by default.
12322 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12324 * tree-if-conv.c (combine_blocks): Free the result of
12325 get_loop_exit_edges.
12327 2006-02-10 Jeff Law <law@redhat.com>
12329 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12331 PR tree-optimization/26213
12332 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12333 loop trying to follow SSA_NAME_VALUE chains.
12335 2006-02-10 Richard Guenther <rguenther@suse.de>
12337 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12338 deal with structures that end in implicitly variable sized arrays.
12340 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12342 PR rtl-optimization/24762
12343 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12346 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12348 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12349 (struct ivopts_data): Add regs_used field.
12350 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12351 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12352 instead of loop_data->regs_used;
12353 (free_loop_data): Do not free aux fields for loops.
12354 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12355 and tree_ssa_iv_optimize_finalize.
12357 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12359 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12361 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12364 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12365 computing the effective result type.
12367 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12369 PR inline-asm/16194
12370 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12371 (tree_overlaps_hard_reg_set): Declare.
12372 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12373 type and signature to match function type expected by walk_tree.
12374 (tree_overlaps_hard_reg_set): New function.
12375 (decl_conflicts_with_clobbers_p): Rename to:
12376 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12377 Use tree_overlaps_hard_reg_set. Changed caller.
12378 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12379 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12380 * cris.c (cris_md_asm_clobbers): Likewise.
12382 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12384 * reload1.c (emit_input_reload_insns): Delete code that tries to
12385 inherit using find_equiv_reg.
12387 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12389 * c-common.h (flag_const_strings): Don't declare.
12390 * c-common.c (flag_const_strings): Remove.
12391 * c.opt (fconst_strings): Remove.
12392 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12393 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12394 (c_common_init_options): Don't set flag_const_strings.
12395 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12397 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12399 * arm.md (tlobits_cbranch): New pattern.
12400 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12401 testing a single bit.
12403 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12406 * tree-ssa-pre.c (create_component_ref_by_pieces):
12407 Handle RETURN_DECL like VAR_DECL.
12409 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12411 PR middle-end/26134
12412 * fold-const.c (fold_indirect_ref_1): Fold
12413 "*(foo *)&complexfoo" to "__real__ complexfoo"
12414 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12416 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12418 * tree-flow-inline.h (var_can_have_subvars):
12419 Volatile variables should not have subvariables.
12421 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12424 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12425 multiplying unsigned values.
12428 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12430 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12432 2006-02-08 Jason Merrill <jason@redhat.com>
12435 * tree.def: Elaborate on difference from MODIFY_EXPR.
12436 * doc/c-tree.texi (INIT_EXPR): Likewise.
12437 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12438 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12439 (gimplify_target_expr): Likewise.
12440 (gimplify_cond_expr): Remove target handling.
12441 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12442 (gimplify_expr): Clobber it here.
12443 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12444 Do return slot optimization if we have an INIT_EXPR.
12447 * tree-inline.c (declare_return_variable): Also clear
12448 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12451 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12453 PR middle-end/22439
12454 * gimplify.c (gimplify_one_sizepos): Fix typo.
12456 2006-02-08 Jeff Law <law@redhat.com>
12458 PR tree-optimization/21417
12459 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12460 across a backedge if the control statement at the end of the
12461 block is data dependent on other statements in the same block.
12462 (record_temporary_equivalences_from_stmts): Remove over-conservative
12463 test for threading across backedges.
12465 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12466 control statement, handle all three special cases in the same
12467 manner as they all have the same desired solution. No longer
12468 special case edge flag updating when the post dominator is
12471 2006-02-08 Roger Sayle <roger@eyesopen.com>
12473 * tree.def (CHAR_TYPE): Remove.
12474 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12475 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12476 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12477 (gen_string_type_die): Delete unreachable function.
12479 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12480 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12481 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12482 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12483 * builtins.c (type_to_class): Likewise.
12484 * fold-const.c (fold_convert, build_range_check,
12485 merge_ranges): Likewise.
12486 * expr.c (count_type_elements): Likewise.
12487 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12488 * stor-layout.c (layout_type): Likewise.
12489 * ipa-type-escape.c (type_to_consider): Likewise.
12490 * gimplify.c (omp_firstprivatize_type_sizes,
12491 gimplify_type_sizes): Likewise.
12492 * explow.c (promote_mode): Likewise.
12493 * tree-sra.c (is_sra_scalar_type): Likewise.
12494 * varasm.c (output_constant): Likewise.
12495 * tree-inline.c (remap_type_1): Likewise.
12496 * convert.c (convert_to_pointer, convert_to_real,
12497 convert_to_integer, convert_to_complex): Likewise.
12499 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12501 * df-scan.c (df_def_record_1): A set destination may
12502 be a parallel regardless of mode.
12504 2006-02-08 Roger Sayle <roger@eyesopen.com>
12507 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12508 * config/mips/_tilib.c: Remove.
12509 * config/fixtfdi.c: New libgcc source file.
12510 * config/fixunstfdi.c: New source file.
12511 * config/floatditf.c: New source file.
12512 * config/floatunditf.c: New souce file.
12513 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12514 files above instead of config/mips/_tilib.c.
12515 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12517 2006-02-08 Jeff Law <law@redhat.com>
12519 PR tree-optimization/26169
12520 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12523 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12525 * df.h (DF_REG_SIZE): Return the length of the initialized
12528 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12530 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12531 __muldf3): Return a correctly signed zero.
12533 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12535 * passes.c (register_one_dump_file): Accept the current properties
12536 instead of pass number. Adjust call to dump_register. Remove
12538 (register_dump_files): Now a wrapper around...
12539 (register_dump_files_1): ... this one. Do not modify the pass
12541 (next_pass_1): Cosmetic fix.
12542 (execute_todo): Keep second parameter only. Use curr_properties
12543 instead of fetching it from the pass structure. Check and set
12545 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12546 instead of fetching it from the pass structure. Fix calls to
12547 execute_todo. Update curr_properties and initialize .vcg RTL dump
12548 after running the pass. Reset last_verified.
12549 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12551 (FIRST_AUTO_NUMBERED_DUMP): New.
12552 (dump_register): Remove "num" parameter, assign it within the
12554 (get_dump_file_name): Modify template for dumps.
12555 * tree-dump.h (dump_register): Adjust prototype.
12556 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12557 (PROP_trees): Add PROP_gimple_lomp.
12558 (TODO_set_props): New.
12559 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12560 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12561 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12563 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12565 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12566 (sparc64-*-linux*): Likewise.
12567 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12568 * config/sparc/t-linux: New file.
12569 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12570 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12571 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12572 -m32 -mlong-double-128.
12574 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12575 * config/alpha/t-linux: New file.
12576 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12578 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12579 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12580 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12581 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12582 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12583 (CPP_ARCH32_SPEC): Remove.
12585 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12587 PR tree-optimization/26145
12588 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12591 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12594 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12595 >= 240000 when generating code for SOM runtime.
12596 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12597 to $$dyncall when generating code for SOM runtime..
12599 2006-02-07 Dirk Mueller <dmueller@suse.com>
12602 * doc/invoke.texi (-Wsequence-point): Update documentation
12603 that -Wsequence-point is implemented for C++ as well.
12605 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12607 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12608 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12609 (LIB_SPEC): Likewise.
12610 * doc/invoke.texi (SPARC options): Document -pthread.
12612 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12614 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12617 2006-02-07 Roger Sayle <roger@eyesopen.com>
12619 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12620 Correct comment describing BOOLEAN_TYPE.
12622 2006-02-07 Dirk Mueller <dmueller@suse.com>
12624 * c.opt: C++ frontend supports -Wdiv-by-zero.
12625 * c-opts.c (c_common_handle_option): Remove dead case.
12627 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12629 * configure.ac (TLS assembler check): Do not enable TLS by
12630 default on SPARC/Solaris before version 10.
12631 * configure: Regenerate.
12633 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12635 * doc/invoke.texi (xl-compat): Document conversion and support
12638 2006-02-07 Jeff Law <law@redhat.com>
12640 * tree-vrp.c (find_conditional_asserts): Update comments.
12641 (simplify_stmt_for_jump_threading): New.
12642 (identify_jump_threads, finalize_jump_threads): New.
12643 (vrp_finalize): Call identify_jump_threads.
12644 (execute_vrp): Call finalize_jump_threads.
12645 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12646 (vrp_element, vrp_data, vrp_element_p): Remove.
12647 (vrp_hash_elt, vrp_variables_stack): Remove.
12648 (vrp_hash, vrp_eq, record_range): Remove.
12649 (simplify_cond_and_lookup_avail_expr): Remove.
12650 (extract_range_from_cond): Remove.
12651 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12652 (simplify_stmt_for_jump_threading): New.
12653 (dom_thread_across_edge): New wrapper.
12654 (tree_ssa_dominator_optimize): No longer initialize or
12655 finalize any of the VRP datastructures. Remove iteration
12656 step and simplify as a result of removal of iteration step.
12657 (pass_dominator): Perform a cfg cleanup after DOM.
12658 (dom_opt_finalize_block): Use the new common routines
12659 for threading jumps. Simplify stack management slightly.
12660 No longer need to unwind VRP state.
12661 (record_equivalences_from_incoming_edge): No longer record
12663 (eliminate_redundant_computations): No longer call
12664 simplify_cond_and_lookup_avail_expr.
12665 * tree-flow.h (potentially_threadable_block): Prototype.
12666 (thread_across_edge): Likewise.
12667 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12668 (tree-ssa-threadedge.o): Add dependencies.
12669 * tree-ssa-threadedge.c: New file.
12670 * passes.c (init_optimization_passes): Merge PHIs before
12671 calling VRP. Run VRP again late in the SSA optimization pipeline.
12673 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12675 * df-core.c (df_set_blocks): Do not dereference function pointers.
12676 (df_finish1): Likewise.
12677 (df_hybrid_search_forward): Likewise.
12678 (df_hybrid_search_backward): Likewise.
12679 (df_iterative_dataflow): Likewise.
12680 (df_analyze_problem): Likewise.
12681 (df_compact_blocks): Likewise.
12682 (df_dump): Likewise.
12683 * df-scan.c (df_rescan_blocks): Likewise.
12684 (df_record_entry_block_defs): Likewise.
12686 * genconditions.c (write_conditions): Guard the definition of
12687 'insn_conditions' with the check on GCC version.
12688 (write_writer): Guard the traversal 'insn_conditions' with
12689 the check on GCC version.
12691 2006-02-07 Richard Guenther <rguenther@suse.de>
12695 2006-01-30 Richard Guenther <rguenther@suse.de>
12697 * gimplify.c (gimplify_target_expr): Handle easy cases
12698 without creating a temporary.
12700 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12702 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12703 use of float in probability computations. Use edge probabilities
12704 in place of statically computed probabilities.
12705 (min_spec_prob): New static variable.
12706 (schedule_insns): Initialize it.
12707 (GET_SRC_PROB): Removed.
12708 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12710 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12713 * config/ia64/unwind-ia64.c: Revert last change.
12714 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12715 (INCOMING_FRAME_SP_OFFSET): Define.
12717 2006-02-06 Roger Sayle <roger@eyesopen.com>
12719 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12721 2006-02-07 Ben Elliston <bje@au.ibm.com>
12723 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12724 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12725 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12726 (ix86_return_in_memory): Handle TDmode.
12727 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12728 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12730 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12732 * reorg.c (dbr_schedule): Use dump_file instead of file.
12734 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12737 * config/ia64/predicates.md (extr_len_operand): New predicate.
12738 * config/ia64/ia64.md (extv): Tighten constraints.
12740 (*tbit_and_2): Ditto.
12741 (*tbit_and_3): Ditto.
12742 (*tbit_or_2): Ditto.
12743 (*tbit_or_3): Ditto.
12744 (*bit_zero): Ditto.
12747 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12750 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12752 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12754 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12755 loop_optimizer_init and loop_optimizer_finalize
12756 * tree-ssa-sink.c (execute_sink_code): Ditto.
12757 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12758 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12759 tree_ssa_loop_done): Ditto.
12760 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12761 * sched-ebb.c: Include output.h.
12762 (schedule_ebbs): Do not use dump argument.
12763 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12764 * loop.c (loop_dump_stream): Removed.
12765 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12767 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12768 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12769 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12770 loop_iterations, strength_reduce, record_biv, record_giv,
12771 final_giv_value, check_final_value, check_ext_dependent_givs,
12772 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12773 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12774 dump_file instead of loop_dump_stream.
12775 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12776 argument dump_file.
12777 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12779 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12780 * haifa-sched.c: Include output.h
12781 (schedule_insns, sched_init): Do not use dump argument.
12782 * mode-switching.c (optimize_mode_switching): Ditto.
12783 * modulo-sched.c (stats_file): Removed.
12784 (print_node_sched_params): Do not call argument dump_file.
12785 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12786 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12788 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12790 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12791 rtl_loop_init, rtl_loop_done): Ditto.
12792 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12793 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12795 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12796 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12797 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12798 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12799 * emit-rtl.c (renumber_insns): Ditto.
12800 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12801 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12802 * regclass.c (regclass): Ditto.
12803 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12804 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12805 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12806 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12808 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12809 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12811 * gcse.c (gcse_file, debug_stderr): Removed.
12812 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12813 rest_of_handle_gcse): Do not use dump argument.
12814 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12815 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12816 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12817 compute_code_hoist_vbeinout, compute_code_hoist_data,
12818 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12819 compute_store_table, build_store_vectors, insert_insn_start_bb,
12820 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12821 store_motion): Use dump_file instead of gcse_file.
12822 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12823 * profile.c (profile_dump_file): Removed.
12824 (branch_prob): Use dump_file instead of profile_dump_file.
12825 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12827 * tree-ssa-copy.c (dump_copy_of): Ditto.
12828 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12829 dump file to life_analysis.
12830 * bt-load.c (branch_target_load_optimize): Ditto.
12831 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12833 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12834 regclass, dbr_schedule): Declaration changed.
12835 * sched-int.h (sched_init): Declaration changed.
12836 * tree-profile.c (tree_profile_dump_file): Removed.
12837 (tree_profile_hooks): Removed profile_dump_file hook.
12838 * rtl-profile (rtl_profile_dump_file): Removed.
12839 (rtl_profile_hooks): emoved profile_dump_file hook.
12840 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12842 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12843 * tree-cfg.c (build_tree_cfg): Ditto.
12844 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12845 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12846 Declaration changed.
12847 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12848 life_analysis and schedule_insns.
12849 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12851 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12853 * config/mips/mips.c (mips_reorg): Ditto.
12854 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12857 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12859 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12860 (s390_mangle_fundamental_type): New.
12861 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12864 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12865 (alpha_mangle_fundamental_type): New.
12866 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12869 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12871 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12873 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12874 (sparc_mangle_fundamental_type): New.
12876 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12878 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12879 (s390x-*-linux*): Likewise.
12880 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12881 * config/s390/t-linux: New file.
12883 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12885 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12886 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12888 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12890 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12891 (ANTIC_SAFE_LOADS): New macro.
12892 (find_or_generate_expression): Add prototype.
12893 (set_contains_value): Allow null set for sake of not always having
12894 to allocate ANTIC_SAFE_LOADS.
12895 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12896 Allow COMPONENT_REF too.
12897 (valid_in_set): Allow COMPONENT_REF.
12898 Check ANTIC_SAFE_LOADS too.
12899 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12900 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12902 (can_PRE_operation): Add COMPONENT_REF.
12903 (create_component_ref_by_pieces): New function.
12904 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12905 (insert_aux): Move AGGREGATE_TYPE_P check here.
12906 (compute_avail): Set bb local stmt uids.
12907 (pass_pre): Use TODO_update_ssa_only_virtuals.
12909 2006-02-06 Ben Elliston <bje@au.ibm.com>
12911 * configure.ac: Unconditionally disable decimal float by default.
12912 * configure: Regenerate.
12914 2006-02-06 Ben Elliston <bje@au.ibm.com>
12916 * read-rtl.c (read_name): Terminate reading on EOF.
12918 2006-02-06 Ben Elliston <bje@au.ibm.com>
12920 * dfp.c (decimal_real_arithmetic): Change second argument type
12921 from int to enum tree_code. Do not always return true, but now
12922 return result of any call to decimal_do helper functions.
12923 * dfp.h (decimal_real_arithmetic): Update prototype.
12925 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12927 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12929 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12932 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12935 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12937 * tree-vrp.c (cfg_loops): Removed.
12938 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12939 Use current_loops instead of cfg_loops. Pass flags to
12940 loop_optimizer_init.
12941 * cfgloopmanip.c (fix_loop_structure): Update only available
12943 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12944 loop_optimizer_init.
12945 * modulo-sched.c (build_loops_structure): Removed.
12946 (sms_schedule): Use loop_optimizer_init.
12947 * loop-init.c (loop_optimizer_init): Use flags to determine
12948 which properties of loops to prepare.
12949 (rtl_loop_init): Pass flags to loop_optimizer_init.
12950 * tree-ssa-sink.c (execute_sink_code): Ditto.
12951 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12952 * tree-ssa-pre.c (init_pre): Ditto.
12953 * cfgloop.h (LOOPS_NORMAL): New.
12954 (loop_optimizer_init): Declaration changed.
12956 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12958 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12959 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12961 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12963 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12965 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12966 * pa/t-pa64: Delete quadlib.c rule.
12967 * pa/x-ada: Revert last change.
12968 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12970 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12972 PR rtl-optimization/26087
12973 * rtlanal.c (canonicalize_condition): Do not cross basic block
12976 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12979 * config/ia64/ia64.c: Include debug.h.
12980 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12981 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12982 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12983 (process_epilogue, process_set, process_for_unwind_directive):
12984 Output unwind info only if requested. Add CFA info if requested.
12985 Add new arguments as needed. Adjust callers.
12986 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12988 (DWARF2_FRAME_INFO): Define to zero.
12989 * config/ia64/unwind-ia64.c: Remove code that compensated for
12990 the CFA offset error fixed above.
12991 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12992 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12993 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12994 -funwind-tables and -fexceptions to enable frame info.
12995 (dwarf2out_frame_init): Define initial CFA even if
12996 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12997 DWARF2_UNWIND_INFO is nonzero, not just defined.
12998 (dwarf2out_frame_finish): Output non-EH call frame info only
12999 if DWARF2_FRAME_INFO is nonzero.
13000 (convert_cfa_to_loc_list,
13001 compute_frame_pointer_to_cfa_displacement): Define even if
13002 unwind info is not supported.
13003 (gen_subprogram_die): Use the above unconditionally. Remove
13004 legacy alternate code.
13005 * toplev.c (compile_file): Compile in call to
13006 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13007 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13009 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13010 Jakub Jelinek <jakub@redhat.com>
13012 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13013 IBM extended float format long double as "g" on powerpc*-linux.
13015 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13018 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13019 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13021 2006-02-03 Jason Merrill <jason@redhat.com>
13024 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13026 PR middle-end/25977
13027 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13028 on the return slot if it's an NRV.
13030 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13032 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13033 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13034 rewrite_use): Do not handle USE_OUTER.
13035 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13036 add_iv_outer_candidates, may_replace_final_value,
13037 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13038 (find_interesting_uses_op): Functionality of
13039 find_interesting_uses_outer_or_nonlin moved here.
13040 (find_interesting_uses_outside): Use find_interesting_uses_op.
13042 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13045 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13047 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13048 Ulrich Weigand <uweigand@de.ibm.com>
13051 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13052 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13053 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13054 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13056 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13057 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13058 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13059 Define secondary reloads for TFmode moves.
13060 (constant_modes): Add TFmode.
13061 (NR_C_MODES): Set to 8.
13062 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13064 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13065 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13066 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13067 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13068 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13069 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13070 (FPR mode macro): Add TFmode.
13071 (DSF mode macro): New.
13072 (<de>, <dee> mode attributes): Removed.
13073 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13074 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13075 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13076 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13077 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13078 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13079 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13080 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13081 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13082 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13083 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13084 "*negabs<mode>2", "sqrt<mode>2"):
13085 Changed <de> to <xde>. R constraint replaced by <Rf>.
13086 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13088 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13089 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13090 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13092 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13093 "extenddftf2", "extendsftf2"): New expanders.
13094 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13095 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13096 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13097 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13099 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13100 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13101 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13102 __floatditf): Add a GCC_4.1.0 symbol version tag.
13103 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13106 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13109 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13110 Use targetm.binds_local_p instead of TREE_PUBLIC.
13112 2006-02-02 Roger Sayle <roger@eyesopen.com>
13114 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13115 on INTEGER_TYPEs to indicate that it denotes a character type.
13116 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13117 signed_char_type_node, unsigned_char_type_node and char_type_node.
13118 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13119 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13120 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13122 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13123 Daniel Berlin <dberlin@dberlin.org>
13125 * tree-tailcall.c (arg_needs_copy_p): New function.
13126 (eliminate_tail_call): Use arg_needs_copy_p.
13127 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13128 (add_virtual_phis): New function.
13130 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13132 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13133 #ignore instead of #scratch for %g7 .register directive.
13135 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13137 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13140 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13142 * flow.c (calculate_global_regs_live): Assert that there aren't any
13145 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13147 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13148 what its name says.
13149 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13150 bsi_after_labels iterator.
13151 * tree-if-conv.c (find_phi_replacement_condition,
13152 replace_phi_with_cond_modify_expr): Likewise.
13153 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13154 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13156 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13158 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13160 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13163 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13164 array after growing it.
13166 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13168 PR middle-end/24901
13169 * fold-const.c (fold_checksum_tree): Change type of buf.
13171 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13173 * reload.c (push_secondary_reload): Initialize t_icode.
13175 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13177 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13178 -msoft-float -mlong-double-128 only issue a warning, but don't
13179 swich to DFmode long double.
13181 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13183 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13184 has a constant equivalent, iterate over equivalents for arg0,
13185 calling simplify_relational_operation and if there's a result
13186 cheaper than X, apply fold_rtx and return the result.
13188 2006-02-01 Jan Hubicka <jh@suse.cz>
13190 * opts.c (no_unit_at_a_time_default): New global variable.
13191 (decode_options): Use it.
13192 * opts.h (no_unit_at_a_time_default): Declare.
13194 2006-02-01 Paul Brook <paul@codesourcery.com>
13196 * function.c (assign_parm_setup_reg): Use function argument promotion
13198 * expr.c (expand_expr_real_1): Use function argument promotion rules
13201 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13203 * gcc.c (process_command): Change j to 'unsigned int'.
13205 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13207 PR middle-end/26001
13208 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13209 Use the corrected index for the character
13210 out of the string constant.
13212 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13214 * mode-switching.c (optimize_mode_switching): Fix size
13215 allocated for bb_info[n_entities].
13217 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13219 * gcc.c (main): Correct type that is allocated for
13220 explicit_link_files.
13222 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13224 * config/s390/s390.c (init_alignment_context): Set
13225 ALIAS_SET_MEMORY_BARRIER on the MEM.
13226 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13228 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13230 PR middle-end/25933
13231 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13233 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13236 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13238 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13239 * regrename.c: Ditto.
13240 * tree-ssa-loop-im.c: Ditto.
13241 * tree-dump.c: Ditto.
13242 * tree-complex.c: Ditto.
13243 * genrecog.c: Ditto.
13244 * tree-ssa-threadupdate.c: Ditto.
13246 * java/class.c: Ditto.
13247 * java/jcf-parse.c: Ditto.
13248 * java/resource.c: Ditto.
13249 * java/except.c: Ditto.
13250 * java/jvspec.c: Ditto.
13251 * java/jcf-write.c: Ditto.
13252 * java/jcf-path.c: Ditto.
13253 * java/gjavah.c: Ditto.
13254 * java/zextract.c: Ditto.
13255 * java/jcf-io.c: Ditto.
13256 * java/jcf.h: Ditto.
13257 * java/buffer.c: Ditto.
13258 * java/lang.c: Ditto.
13259 * java/parse-scan.y: Ditto.
13260 * java/lex.c: Ditto.
13261 * java/lex.h: Ditto.
13262 * cfgloopmanip.c: Ditto.
13263 * postreload-gcse.c: Ditto.
13264 * tree-ssa-loop-manip.c: Ditto.
13265 * postreload.c: Ditto.
13266 * tree-ssa-loop-ch.c: Ditto.
13269 * cppspec.c: Ditto.
13270 * diagnostic.c: Ditto.
13272 * genoutput.c: Ditto.
13274 * cfghooks.c: Ditto.
13275 * cfgloopanal.c: Ditto.
13276 * objc/objc-act.c: Ditto.
13278 * genextract.c: Ditto.
13279 * genautomata.c: Ditto.
13280 * pretty-print.c: Ditto.
13281 * genemit.c: Ditto.
13282 * cgraphunit.c: Ditto.
13284 * df-scan.c: Ditto.
13285 * haifa-sched.c: Ditto.
13286 * dominance.c: Ditto.
13288 * tree-ssa-loop-ivopts.c: Ditto.
13289 * df-core.c: Ditto.
13290 * mode-switching.c: Ditto.
13291 * modulo-sched.c: Ditto.
13293 * ipa-pure-const.c: Ditto.
13295 * fix-header.c: Ditto.
13297 * tree-stdarg.c: Ditto.
13298 * ipa-utils.c: Ditto.
13299 * loop-init.c: Ditto.
13300 * ipa-inline.c: Ditto.
13301 * cfganal.c: Ditto.
13303 * alloc-pool.c: Ditto.
13304 * dwarf2out.c: Ditto.
13306 * genattrtab.c: Ditto.
13307 * tree-ssa-loop-ivcanon.c: Ditto.
13308 * predict.c: Ditto.
13309 * timevar.c: Ditto.
13311 * fortran/gfortranspec.c: Ditto.
13312 * regmove.c: Ditto.
13313 * local-alloc.c: Ditto.
13314 * langhooks.c: Ditto.
13315 * function.c: Ditto.
13316 * tree-vectorizer.c: Ditto.
13318 * ipa-type-escape.c: Ditto.
13320 * tree-if-conv.c: Ditto.
13321 * profile.c: Ditto.
13323 * tree-data-ref.c: Ditto.
13324 * loop-unroll.c: Ditto.
13325 * treelang/treetree.c: Ditto.
13327 * bt-load.c: Ditto.
13328 * ggc-common.c: Ditto.
13330 * coverage.c: Ditto.
13332 * tree-cfgcleanup.c: Ditto.
13333 * tree-ssa-pre.c: Ditto.
13334 * cfgcleanup.c: Ditto.
13335 * loop-invariant.c: Ditto.
13336 * loop-iv.c: Ditto.
13337 * ipa-prop.c: Ditto.
13338 * print-tree.c: Ditto.
13339 * conflict.c: Ditto.
13340 * ggc-page.c: Ditto.
13341 * sched-deps.c: Ditto.
13342 * regclass.c: Ditto.
13343 * tree-object-size.c: Ditto.
13344 * combine.c: Ditto.
13345 * bb-reorder.c: Ditto.
13346 * resource.c: Ditto.
13347 * var-tracking.c: Ditto.
13348 * cfgloop.c: Ditto.
13349 * df-problems.c: Ditto.
13350 * reg-stack.c: Ditto.
13352 * gccspec.c: Ditto.
13353 * sched-rgn.c: Ditto.
13354 * tree-ssa-structalias.c: Ditto.
13355 * tree-ssa-reassoc.c: Ditto.
13356 * config/darwin-c.c: Ditto.
13357 * config/darwin.c: Ditto.
13358 * config/arm/arm.c: Ditto.
13360 * collect2.c: Ditto.
13361 * reload1.c: Ditto.
13363 2006-01-31 Nicolas Pitre <nico@cam.org>
13365 * arm.md (smaxsi3): Make aware of smax_m1.
13368 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13370 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13372 2006-01-31 Richard Guenther <rguenther@suse.de>
13374 * doc/invoke.texi (-msselibm): Document.
13375 * target.h (expand_library_builtin): New target hook.
13376 * builtins.c (expand_builtin): Use expand_library_builtin.
13377 (default_expand_library_builtin): New function.
13378 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13379 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13380 (link_gcc_math_spec): Declare.
13381 (static_specs): Add link_gcc_math_spec.
13382 * expr.h (default_expand_library_builtin): Declare.
13383 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13384 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13385 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13386 * config/i386/i386.opt (msselibm): New target option.
13387 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13388 (ix86_init_sse_abi_builtins): New function.
13389 (ix86_expand_library_builtin): Likewise.
13390 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13391 (override_options): Handle error conditions wrt -msselibm.
13392 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13393 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13394 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13397 2006-01-31 Richard Guenther <rguenther@suse.de>
13398 Paolo Bonzini <bonzini@gnu.org>
13400 * doc/install.texi (--disable-libgcc-math): Document.
13402 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13404 * expr.h (expand_normal): new inline function.
13405 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13406 * dojump.c: use it.
13407 * dwarf2out.c: use it.
13410 * expmed.c: use it.
13411 * except.c: use it.
13412 * config/sparc/sparc.c: use it.
13413 * config/i386/i386.c: use it.
13414 * config/rs6000/rs6000.c: use it.
13415 * config/arm/arm.c: use it.
13416 * config/mips/mips.c: use it.
13417 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13419 2006-01-30 Roger Sayle <roger@eyesopen.com>
13421 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13422 argv to the appropriate type.
13424 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13426 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13429 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13432 * config/s390/s390.c (struct machine_function): New flag
13433 decomposed_literal_pool_addresses_ok_p.
13434 (s390_reorg): Set it before final stage of literal pool transforms.
13435 (s390_decompose_address): Only accept displacements of the form
13436 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13438 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13440 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13441 the comparison routine return.
13443 2006-01-30 Michael Matz <matz@suse.de>
13445 * global.c (find_reg): Only evict for global regs.
13446 Take n_refs into account and dump more info.
13448 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13451 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13452 (pragma_trap, pragma_nosave_low_regs): Likewise.
13453 (current_function_anonymous_args): Likewise.
13454 (sh_deferred_function_attributes): New variable.
13455 (sh_deferred_function_attributes_tail): Likewise.
13456 (print_operand): For '@', look up trap_exit attribute.
13457 (calc_live_regs): Look up trapa_handler attribute. For trapa
13458 handlers, save/restore fpscr, but don't do any other
13459 interrupt-specific saves.
13460 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13461 Fix check for partially saved registers to check for SHmedia.
13462 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13463 (sh_output_function_epilogue): Don't clear any of the removed
13465 (sh_insert_attributes): Don't check pragma_interrupt.
13466 Insert deferred attributes. Check that interrupt attribute is
13467 present for other attributes that require its presence.
13468 (sh_attribute_table): Add new attributes trapa_handler and
13470 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13471 Don't check for pragma_interrupt. Don't store argument.
13472 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13473 (sh_deferred_function_attributes): Declare.
13474 (sh_deferred_function_attributes_tail): Likewise.
13475 * sh.md (sp_switch_1): Add operand. Change generator caller.
13476 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13477 (*return_i): Don't use when trap_exit attribute is in effect.
13478 (*return_trapa): New insn pattern.
13479 * sh-c.c: New file.
13480 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13481 setting c_target_objs and cxx_target_objs.
13482 * t-sh: Add rule for sh-c.o.
13484 2006-01-30 Richard Guenther <rguenther@suse.de>
13487 * gimplify.c (gimplify_target_expr): Handle easy cases
13488 without creating a temporary.
13490 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13492 * vec.h (safe_grow): Remove duplicated line.
13494 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13497 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13498 (expand_omp): ... here.
13499 (expand_omp_parallel): Only remove barriers for combined
13500 parallel+workshare constructs.
13502 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13506 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13507 * tree.c (build_qualified_type): Chain the new type to the original
13508 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13509 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13510 (build_pointer_type_for_mode): Only return unqualified types.
13511 (build_reference_type_for_mode): Likewise.
13513 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13515 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13516 * Makefile.in (CXX_COMPAT_WARN): Define.
13517 * configure: Regenerate.
13519 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13522 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13525 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13527 * toplev.c: Fix thinko.
13529 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13530 Marcin Dalecki <martin@dalecki.de>
13532 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13533 (push_srcloc): Use XNEW.
13534 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13536 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13538 * df-core.c (df_set_blocks): Deleted all variable.
13540 2006-01-28 Ian Lance Taylor <ian@airs.com>
13542 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13543 cgraph_output_pending_asms.
13545 2006-01-28 Zack Weinberg <zackw@panix.com>
13547 * c.opt: Add -W(no-)overlength-strings.
13548 * doc/invoke.texi: Document it.
13549 * c-opts.c (c_common_handle_option): -pedantic implies
13550 -Woverlength-strings, if not explicitly disabled already.
13551 (c_common_post_options): -Woverlength-strings defaults to off, and
13552 is always off for C++.
13553 * c-common.c (fix_string_type): Issue warning about strings longer
13554 than is portable only if warn_overlength_strings. Rearrange code
13555 a little for clarity.
13556 * configure.in: Check for -Wno-overlength-strings as well before
13557 enabling -pedantic in stage 1.
13558 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13559 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13561 * genconditions.c (write_header, write_one_condition)
13562 (write_conditions, write_writer): Consolidate very long strings
13563 that were broken up to fit in C89 portable limit. Don't use
13564 printf when fputs will do.
13566 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13568 * combine.c (simplify_comparison <AND>): Check
13569 TRULY_NOOP_TRUNCATION before start using a subreg.
13571 * config/mips/mips.md (*branch_zero<mode>,
13572 *branch_zero<mode>_inverted, *branch_equality<mode>,
13573 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13574 Remove mode check from comparisons.
13576 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13578 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13580 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13582 * expmed.c (const_mult_add_overflow_p): Remove.
13583 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13585 * recog.c (validate_replace_rtx_subexp): Remove.
13586 * recog.h: Remove the prototype for
13587 validate_replace_rtx_subexp.
13589 * integrate.h: Remove the prototype for
13590 copy_decl_for_inlining.
13591 * rtl.h: Remove the prototype for mark_constant_function.
13592 * tree-vectorizer.h: Remove the prototype for
13593 vect_strip_conversion.
13595 * modulo-sched.c (create_partial_schedule,
13596 free_partial_schedule, reset_partial_schedule): Make them
13599 * hooks.c (hook_bool_rtx_int_false): Remove.
13600 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13602 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13604 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13605 and -mlong-double-128 are incompatible.
13606 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13607 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13608 (TARGET_LIBGCC2_CFLAGS): Define.
13609 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13610 (TARGET_LIBGCC2_CFLAGS): Same.
13611 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13613 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13616 * c-typeck.c (build_binary_op): Perform implicit casts of
13617 operands before shortening them.
13619 * cfgloopmanip.c (split_loop_bb): Remove.
13620 * cfgloop.h: Remove the prototype for split_loop_bb.
13622 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13623 * cfgloop.h: Remove the prototype for
13624 flow_loop_outside_edge_p.
13626 * emit-rtl.c (init_virtual_regs): Make it static.
13627 * function.h: Remove the prototype for init_virtual_regs.
13629 * recog.c (peephole2_optimize): Make it static.
13630 * recog.h: Remove the prototype for peephole2_optimize.
13632 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13634 * df-scan.c (df_record_entry_block_defs): Check if
13635 INCOMING_RETURN_ADDR_RTX is defined.
13637 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13638 Kenneth Zadeck <zadeck@naturalbridge.com>
13640 PR rtl-optimization/24762
13641 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13642 * targhooks.c (hook_void_bitmap): New hook prototype.
13643 * targhoohs.h (hook_void_bitmap): Ditto.
13644 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13645 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13646 * target.h (live_on_entry): New function pointer.
13647 * df-scan.c (df_all_hard_regs): Removed.
13648 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13649 (df_scan_free_internal): Added df->entry_block_defs.
13650 (df_scan_alloc): Ditto.
13651 (df_scan_dump): Ditto.
13652 (df_uses_record): Plumbed flag field properly thru calls.
13653 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13654 This part fixes PR24762.
13655 (df_bb_refs_record): Added code to make the frame and arg
13656 pointers live in EH blocks.
13657 (df_refs_record): Added call to df_record_entry_block_defs.
13658 (df_record_entry_block_defs): New function.
13659 * df-core.c: Added comments to describe new artifical defs.
13660 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13661 (entry_block_defs): New field in struct df.
13662 (df_all_hard_regs): Deleted.
13663 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13664 * df-problems.c (df_ru_bb_local_compute_process_def):
13665 Added code to handle artifical defs in the entry to a function.
13666 (df_ru_bb_local_compute): Ditto.
13667 (df_rd_bb_local_compute_process_def): Ditto.
13668 (df_rd_bb_local_compute): Ditto.
13669 (df_lr_bb_local_compute): Ditto.
13670 (df_ur_bb_local_compute): Ditto.
13671 (df_urec_bb_local_compute): Ditto.
13672 (df_chain_create_bb): Ditto.
13673 (df_ur_local_finalize): Removed entry.
13674 (df_urec_init): Ditto.
13675 (df_urec_local_finalize): Ditto.
13676 (df_ri_bb_compute): Added detection of last use of pseudos.
13677 * Makefile.in (df-scan.o): Updated dependencies.
13678 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13679 * config/mips/mips.c (mips_set_live_on_entry): Added.
13680 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13682 * dce.c (marked_insn_p): Added code to handle artifical defs.
13684 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13686 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13688 (_mm_cvtsi128_si64): Likewise.
13689 (_mm_cvtsd_si64): Likewise.
13690 (_mm_cvttsd_si64): Likewise.
13691 (_mm_cvtsi64_sd): Likewise.
13692 (_mm_cvtsi64_si128): Likewise.
13693 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13694 (_mm_cvtsi64_m64): Likewise.
13695 (_m_to_int64): Likewise.
13696 (_mm_cvtm64_si64): Likewise.
13697 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13698 (_mm_cvttss_si64): Likewise.
13699 (_mm_cvtsi64_ss): Likewise.
13700 (_mm_cvtss_f32): Likewise.
13702 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13704 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13705 for pragma redefine_extname.
13707 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13710 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13711 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13712 -mno-minimal-toc to previous content.
13713 (bispecs): Remove goal.
13714 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13715 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13716 compatibility aliases on powerpc-*-*gnu*.
13717 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13718 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13719 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13720 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13721 (ldblspecs): New goal.
13722 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13723 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13725 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13726 L_sf_to_tf or L_df_to_tf is defined.
13728 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13729 Alan Modra <amodra@bigpond.net.au>
13732 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13733 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13734 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13735 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13736 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13737 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13738 (rs6000_override_options): Initialize rs6000_ieeequad.
13739 Initialize TFmode format to ibm_extended_format if not
13741 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13743 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13744 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13745 (function_arg_advance): IBM long double passed in two FPRs, not
13747 (function_arg): IBM long double passed in FPRs.
13748 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13749 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13750 Only multireg GPR aligned.
13751 (rs6000_init_libfuncs): Enable IBM long double functions if not
13753 (rs6000_generate_compare): Use IBM long double compare if not
13755 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13756 (TARGET_IEEEQUAD): Define.
13757 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13758 not TARGET_IEEEQUAD.
13759 * config/rs6000/rs6000.md: Enable TFmode patterns if
13761 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13762 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13763 and -mlong-double-128 are incompatible.
13764 * doc/invoke.texi (-mabi): Collect options together. Add
13765 ibmlongdouble and ieeelongdouble.
13767 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13769 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13771 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13772 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13773 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13774 * rtl.h (rtunion_def): Remove rt_ptr.
13776 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13777 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13778 * config/i386/winnt.c (i386_pe_mark_dllexport)
13779 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13781 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13783 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13785 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13789 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13790 pthread_key_delete. From John David Anglin. gthrw-ify
13791 pthread_getunique_np only if it it's not a macro. Delete
13793 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13794 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13795 __gthread_objc_condition_signal, __gthread_key_delete): Add
13796 "__attribute__ ((__unused__))" to unused arguments.
13797 (__gthread_recursive_mutex_init_function): Add missing return.
13798 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13799 gthr-posix95.h: Use macro-based approach for name redirection
13800 on targets missing weakref.
13802 2006-01-26 Zack Weinberg <zackw@panix.com>
13804 * genconditions.c (write_header): In generated code, #ifdef out
13805 all includes and fake declarations, except includes of bconfig.h
13806 and system.h, unless GCC_VERSION >= 3001. Do not include
13807 gensupport.h in any case.
13808 (write_conditions): Generate a definition of struct c_test. Add
13809 a comment to the generated #endif.
13810 (write_one_condition): Escape backslashes in string too.
13811 (write_writer): Generated code must escape backslashes and quote
13812 marks (but not newlines) in the strings it writes.
13813 * Makefile.in (build/gencondmd.o): Update dependencies.
13815 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13818 * Makefile.in (insn-automata.o): Add header file dependencies.
13819 * genautomata.c: Add includes.
13821 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13824 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13826 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13828 * configure.ac: Expect target tools paths to be passed from the toplevel
13829 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13831 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13833 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13836 * c.opt (Wpointer-sign): Init to -1.
13837 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13838 OPT_pedantic, to 0 otherwise.
13839 * doc/invoke.texi: Update.
13841 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13843 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13844 constants provided by 80387 instructions in the destination mode.
13846 2006-01-26 Richard Guenther <rguenther@suse.de>
13847 Andrew Pinski <pinskia@physics.uc.edu>
13850 partial PR tree-opt/17064
13851 * tree-ssa-structalias.c (intra_create_variable_infos):
13852 Create heap variables for incoming parameters if
13853 flag_argument_noalias > 1.
13854 (find_what_p_points_to): Look through default defs of
13857 2006-01-26 Jeff Law <law@redhat.com>
13860 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13861 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13862 within the VR_RANGE, use the VR_RANGE as the result, not the
13864 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13865 bounds for the type.
13867 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13869 * tree-ssa-alias.c (maybe_create_global_var): Change
13870 subvar walking to an assertion that we don't have subvar'd variables.
13872 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13875 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13876 Use a new variable, inner. PARM_DECLs are always non-weak.
13878 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13880 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13881 --disable-checking.
13883 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13885 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13887 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13889 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13890 (smax_insn, smin_insn, smax_0, smin_0): New.
13892 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13895 * config/cris/cris.c (cris_order_for_addsi3): New function.
13896 * config/cris/cris-protos.h: Prototype it.
13897 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13898 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13899 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13900 (split for "op.S1 [rx=rx+i],ry (swapped)")
13901 (split for "op(s|u).S1 [rx=rx+i],ry")
13902 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13903 Apply cris_order_for_addsi3 when generating addsi3 insns.
13905 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13907 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13908 (TREE_BLOCK): Add call to EXPR_CHECK.
13910 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13913 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13914 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13915 (dump_omp_clauses): ... here.
13916 (dump_generic_node): Handle OMP_CLAUSE.
13917 * tree.c (omp_clause_num_ops): New.
13918 (omp_clause_code_name): New.
13919 (tree_code_size): Handle OMP_CLAUSE.
13920 (tree_size): Likewise.
13921 (make_node): Document handling of OMP_CLAUSE.
13922 (tree_node_structure): Handle OMP_CLAUSE.
13923 (omp_clause_check_failed): New.
13924 (omp_clause_range_check_failed): New.
13925 (omp_clause_operand_check_failed): New.
13926 (build_omp_clause): New.
13927 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13928 * tree.h (enum omp_clause_code): Declare.
13929 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13930 (OMP_CLAUSE_RANGE_CHECK): Define.
13931 (OMP_CLAUSE_ELT_CHECK): Define.
13932 (omp_clause_check_failed): Declare.
13933 (omp_clause_operand_check_failed): Declare.
13934 (omp_clause_range_check_failed): Declare.
13935 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13936 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13937 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13938 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13939 (OMP_CLAUSE_IF_EXPR): Likewise.
13940 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13941 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13942 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13943 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13944 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13945 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13946 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13947 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13948 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13949 (OMP_CLAUSE_CODE): Define.
13950 (OMP_CLAUSE_SET_CODE): Define.
13951 (OMP_CLAUSE_CODE): Define.
13952 (OMP_CLAUSE_OPERAND): Define.
13953 (struct tree_omp_clause): Declare.
13954 (union tree_node): Add field 'omp_clause'.
13955 * treestruct.def (TS_OMP_CLAUSE): Define.
13956 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13957 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13958 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13959 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13960 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13961 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13962 (OMP_CLAUSE): Define.
13963 * print-tree.c (print_node): Handle OMP_CLAUSE.
13964 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13965 * c-typeck.c: Likewise.
13966 * gimplify.c: Likewise.
13967 * c-omp.c: Likewise.
13968 * tree-nested.c: Likewise.
13969 * tree-inline.c: Likewise.
13970 * c-parser.c: Likewise.
13971 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13974 2006-01-25 Roger Sayle <roger@eyesopen.com>
13976 PR rtl-optimization/25703
13977 * combine.c (try_combine): Handle zero_extract and strict_low_part
13978 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13980 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13982 * global.c: Fix comment typos.
13984 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13987 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13988 Use output_addr_const instead of assemble_name.
13990 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13992 * Makefile.in (sched-vis.o): Update dependencies.
13993 * haifa-sched.c (sched_finish): Clear current_sched_info.
13994 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13995 (dump_flow_info): Call it.
13996 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13998 * basic-block.h (dump_bb_info): Declare.
13999 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14000 option, and apply options only for dump files whose TDF_RTL,
14001 TDF_TREE, or TDF_IPA bits match.
14002 * rtl.h: Declare new functions exported from sched-vis.c.
14003 * sched-vis.c: Enable also if scheduling is not used.
14004 (print_value): Print the mode of registers if not inside scheduling.
14005 (print_insn): Make it work outside the scheduler. Beautify the output
14007 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14009 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14011 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14012 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14013 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14014 depending on the value of CONSTANT_POOL_ADDRESS_P.
14015 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14017 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14018 rather than SYMBOL_REF_DECL.
14019 (rtx_constant_pool): Remove const_rtx_sym_htab.
14020 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14021 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14022 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14023 Remove handling of const_rtx_sym_htab.
14024 (find_pool_constant): Delete.
14025 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14026 rather than find_pool_constant.
14027 (get_pool_constant_for_function): Delete.
14028 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14029 find_pool_constant.
14030 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14031 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14032 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14033 (SYMBOL_REF_CONSTANT): New macro.
14034 (get_pool_constant_for_function): Delete.
14035 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14036 rather than SYMBOL_REF_DECL.
14037 (i386_pe_mark_dllimport): Likewise.
14038 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14039 rather than SYMBOL_REF_DECL.
14040 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14041 (machopic_indirect_call_target): Likewise.
14043 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14045 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14047 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14049 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14051 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14053 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14055 2006-01-24 David Daney <ddaney@avtrex.com>
14058 * configure.ac (enable_tls): New enable option.
14059 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14060 * configure: Regenerate.
14061 * doc/install.texi (--enable-tls): Document new option.
14062 (--disable-tls): Ditto.
14064 2006-01-24 Richard Henderson <rth@redehat.com>
14066 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14067 * alias.c (true_dependence): Respect it.
14068 (canon_true_dependence, write_dependence_p): Likewise.
14069 * builtins.c (get_builtin_sync_mem): Set it.
14071 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14073 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14076 2006-01-24 DJ Delorie <dj@redhat.com>
14078 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14079 for storing constants in single-bit bitfields.
14081 2006-01-25 Ben Elliston <bje@au.ibm.com>
14083 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14085 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14088 * tree-ssa-pre.c (phi_translate): Return NULL
14089 for AGGREGATE_TYPE's.
14091 2006-01-24 Zack Weinberg <zackw@panix.com>
14093 * genautomata.c (process_state_for_insn_equiv_partition):
14094 Use xcalloc for insn_arcs_array.
14095 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14096 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14098 2006-01-24 Richard Henderson <rth@redhat.com>
14100 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14101 update all callers.
14103 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14105 PR rtl-optimization/25890
14106 PR rtl-optimization/25905
14107 * combine.c (expand_compound_operation, expand_field_assignment):
14108 Fail if the bitfield's final position is out of bounds.
14110 2006-01-24 Ian Lance Taylor <ian@airs.com>
14112 PR middle-end/25930
14113 * cgraphunit.c (cgraph_output_in_order): Don't clear
14114 cgraph_asm_nodes until after asm strings have been output.
14116 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14118 * fix-header.c (read_scan_file): Add new parameter imultilib when
14119 calling register_include_chains.
14121 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14123 * omp-low.c: Update documentation.
14125 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14126 Daniel Berlin <dberlin@dberlin.org>
14130 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14131 return from the function.
14133 2006-01-22 Zack Weinberg <zackw@panix.com>
14135 * rtl.def (match_code): Add second argument.
14136 * genpreds.c (write_extract_subexp): New function.
14137 (write_match_code): Add path argument. Use write_extract_subexp.
14138 (write_predicate_expr): Pass path to write_match_code.
14139 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14140 not perform a mode test.
14141 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14142 a subexpression does not constrain the top-level code set.
14143 * read-rtl.c (read_rtx_variadic): New function.
14144 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14145 * doc/md.texi: Document new notation.
14146 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14147 (cmpsi_operand): ... here, using new notation.
14149 2006-01-22 Zack Weinberg <zackw@panix.com>
14151 * varray.c: Remove GENERATOR_FILE #ifdefs.
14153 2006-01-22 Zack Weinberg <zackw@panix.com>
14155 * genautomata.c (output_reserved_units_table): Emit nothing if
14156 description->query_units_num is zero. Remove extra blank line.
14157 (output_cpu_unit_reservation_p): Short circuit
14158 if description->query_units_num is zero.
14160 2006-01-22 Zack Weinberg <zackw@panix.com>
14162 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14163 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14164 nor any of the random handful of variables that used to be necessary
14165 when this program was linked with rtlanal.o. Prune set of forward
14166 function declarations.
14167 (struct attr_desc): Remove static_p field.
14168 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14169 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14170 (attr_string): Do not read the character one past the length of
14172 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14173 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14174 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14175 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14176 (make_automaton_attrs): New.
14177 (main): Do not call into genautomata. Call local gen_bypass
14178 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14179 Remove special case for insn_alts.
14180 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14181 varray.h (leftover from previous change). Prune set of forward
14182 function declarations. Remove state_alts fields from all
14183 structures. Remove state_alts_table from struct automaton.
14184 Make everything except main static. Do not maintain num_dfa_decls.
14185 Do not maintain state_alts fields of various structures.
14186 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14187 (add_arc): Remove state_alts argument. All callers updated.
14188 (output_reserved_units_table): Emit #ifdef here...
14189 (output_tables): ...not here. Don't generate state_alts tables.
14190 (expand_automata): Don't generate attributes.
14191 (write_automata): Don't generate state_alts functions.
14192 (main): New function.
14193 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14194 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14195 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14196 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14197 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14198 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14199 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14200 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14202 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14203 * genattrtab.h: Delete file.
14204 * Makefile.in (OBJS-common): Add insn-automata.o.
14205 (insn-automata.o): New rule.
14206 (simple_generated_c): Add insn-automata.c.
14207 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14208 (genprogmd): Add automata.
14209 (build/genattrtab): Needs no extra objects nor libraries.
14210 (build/genautomata): Needs build/vec.o and -lm.
14212 2006-01-22 Zack Weinberg <zackw@panix.com>
14214 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14215 (output_dfa_max_issue_rate, locked_states_num): Delete.
14216 (struct automaton): Add locked_states field.
14217 (output_dead_lock_vect): Save number of locked states in
14218 automaton->locked_states. If it is zero, don't print anything.
14219 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14220 (output_internal_dead_lock_func): Only test the dead_lock_vect
14221 for automata that have locked states.
14222 (output_statistics): Always print the number of locked states for
14223 each automaton. Calculate total number of locked states here.
14224 (write_automata): Don't call output_dfa_max_issue_rate.
14225 * genattrtab.c: Define length_unit_log as a const variable.
14226 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14227 max_insn_queue_index const.
14228 * final.c (length_unit_log): Declare const.
14229 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14231 2006-01-22 Zack Weinberg <zackw@panix.com>
14233 * genautomata.c: Include vec.h, not varray.h.
14234 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14235 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14236 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14237 VEC_* macros operating on appropriately typed vectors, or to
14238 malloced arrays when the size is known in advance. Const-ify
14239 many char* variables and function arguments. No functional changes.
14240 * Makefile.in (build/varray.o): Delete rule.
14241 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14242 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14244 2006-01-22 Zack Weinberg <zackw@panix.com>
14246 * gensupport.c: Define get_insn_name and record_insn_name here.
14247 (read_md_rtx): Call record_insn_name as appropriate.
14248 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14249 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14250 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14252 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14253 (BUILD_VARRAY): Delete.
14254 (genprognormal): Rename genprogmd. Fold in all programs from
14255 genprognoprint; also attrtab.
14256 (build/genattrtab): Just mention genautomata.o and varray.o.
14257 Reorganize a bit, add comments to make the categories clearer.
14259 2006-01-22 Zack Weinberg <zackw@panix.com>
14261 * genconditions.c (condition_table, add_condition): Delete.
14262 (write_conditions): Don't emit n_insn_conditions nor
14263 insn_elision_unavailable. Issue the gcc version #ifdef here,
14264 inside the table, with no #else clause ...
14265 (write_header): ...not here.
14266 (write_writer): New function.
14267 (main): Don't initialize condition_table. Use add_c_test.
14269 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14270 files on the command line.
14271 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14272 Return -1 if there is no entry in the table, don't abort.
14273 (add_c_test, traverse_c_tests): New functions.
14274 * gensupport.h (insn_elision_unavailable, insn_conditions)
14275 (n_insn_conditions): Delete declarations.
14276 (add_c_test, traverse_c_tests): Declare.
14277 * read-rtl.c: Include gensupport.h.
14278 (read_conditions): New function.
14279 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14280 (read_rtx_1): If we get EOF when we were looking for an initial
14281 open paren, return 0. Call read_conditions when appropriate.
14282 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14283 dummy-conditions.o. Eliminate references to insn-conditions.o,
14284 or change them to build/gencondmd.o, as appropriate. Remove
14285 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14286 from $(simple_generated_c). For all files remaining in those
14287 two lists, add insn-conditions.md to the generator command line.
14288 Give insn-constants.h/s-constants their own rules. Add rules
14289 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14290 (build/read-rtl.o): Depend on gensupport.h.
14291 (genprognormal): Include preds.
14292 (genprogearly): Rename genprognoprint; only difference is now that
14293 they don't link with $(BUILD_PRINT).
14294 * dummy-conditions.c: Delete.
14296 2006-01-22 Zack Weinberg <zackw@panix.com>
14298 * genextract.c: Don't include insn-config.h. Do include vec.h.
14299 Declare vectors of int, char, and locstr.
14300 (locstr): New typedef.
14301 (struct extraction): Make all array fields into bare pointers.
14302 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14303 (insn_code_number): Delete.
14304 (accum_extract): New struct.
14305 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14306 (gen_insn): Take insn_code_number as an argument. Use an
14307 accum_extract structure instead of loading data directly into
14308 a struct extraction, and having to know how big it might get.
14309 (walk_rtx): Operate entirely on an accum_extract structure.
14310 (print_path): Avoid unnecessary use of printf.
14311 (print_header): New function, split out of main. Distinguish
14312 more carefully between an unrecognizable insn and an insn that
14313 has the code number of a define_expand.
14314 (main): Pass insn_code_number to gen_insn. Call print_header
14315 only after parsing. Avoid unnecessary use of printf.
14316 * Makefile.in (build/vec.o): New rule.
14317 (build/genextract): Depend on build/vec.o.
14318 (build/genextract.o): Don't depend on insn-config.h.
14320 2006-01-22 Zack Weinberg <zackw@panix.com>
14322 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14323 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14324 practical. Eliminate per-generator-program link rules.
14326 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14328 PR middle-end/24437
14329 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14330 with a call expr to ...
14331 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14333 2006-01-23 Richard Guenther <rguenther@suse.de>
14335 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14336 before make_edge with conditional EDGE_TRUE_VALUE.
14338 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14339 Jan Hubicka <jh@suse.cz>
14340 Richard Guenther <rguenther@suse.de>
14342 PR rtl-optimization/25654
14343 * cfgexpand.c (aggregate_contains_union_type): New function.
14344 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14345 for structure variables that contain a union type.
14347 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14349 * gengtype.c (new_structure): Return the structure.
14350 (create_option): Add an extra "next" argument.
14351 (create_field): New function.
14352 (adjust_field_rtx_def): Use create_option and create_field.
14353 Remove a now-unnecessary call to find_structure.
14354 (adjust_field_tree_def): Likewise.
14355 (note_yacc_type): Remove an unnecessary call to find_structure.
14356 * gengtype.h (new_structure): Return the structure.
14357 (create_option): Add an extra argument.
14358 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14359 (option): Adjust calls to create_option.
14361 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14363 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14365 2006-01-22 Paul Brook <paul@codesourcery.com>
14366 Peter Barada <peter@the-baradas.com>
14368 * config/m68k/m68k.md: Add Coldfire FPU support.
14369 Define FP mode macro and associated attributes.
14370 Use it for float mode patterns.
14371 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14372 (LIBCALL_VALUE): Use m68k_libcall_value.
14373 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14374 (m68k_function_value): Ditto.
14375 (emit_move_sequence): Ditto.
14376 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14377 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14378 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14379 (MULTILIB_EXCEPTIONS): Ditto.
14380 * config/m68k/m68k.opt: Add mcfv4e.
14381 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14382 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14383 (m68k_output_function_prologue): Save ColdFire FPU registers.
14384 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14385 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14386 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14387 ColdFire FPU registers.
14388 (m68k_libcall_value, m68k_function_value): New functions.
14389 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14390 (LIBCALL_VALUE): Use m68k_libcall_value.
14391 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14392 (MASK_COLDFIRE): Add MASK_CFV4E.
14393 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14394 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14395 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14396 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14397 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14398 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14399 * doc/invoke.tex: Document -mcfv4e on m68k.
14401 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14403 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14406 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14409 * c-opts.c (c_common_handle_option): Don't include
14410 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14411 * doc/invoke.texi (C++ Dialect Options): Document that
14412 -Wnon-virtual-dtor is no longer included in -Wall.
14414 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14416 * gcov.c (print_version), gcov-dump.c (print_version),
14417 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14420 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14422 * df-scan.c (problem_SCAN): Added NULL reset function.
14423 (df_scan_reset_blocks): Added code to call reset block function
14424 (df_bb_refs_delete) Fixed comment.
14425 (df_insn_refs_delete): Made tolerant of deleting non existent info
14426 for dataflow problems that need to be reset.
14427 * df-core.c (df_set_blocks): Ditto.
14428 * df.h (struct df_problem): Added reset_fun.
14429 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14430 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14431 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14432 functions to clear out all references to def-use or use-def chains.
14434 2006-01-21 Ben Elliston <bje@au.ibm.com>
14436 * varasm.c (assemble_real): Initialise data array.
14438 2006-01-20 Paul Brook <paul@codesourcery.com>
14440 Merge from csl-arm-branch.
14441 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14442 * config/arm/arm.md (movdi): Force operands[1] to a register
14443 if we have a non-register source.
14444 (*arm_movdi, *movdf_soft_insn): Require that one of the
14445 operands be a register.
14446 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14447 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14449 2006-01-20 DJ Delorie <dj@redhat.com>
14451 * varasm.c (initializer_constant_valid_p): Allow pointers
14452 initialized from integer constants of lesser precision.
14453 (output_constant): Allow non-int-sized pointer modes to be
14454 initialized from integer constants.
14456 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14459 * cppdefault.h (struct default_include): Add multilib flag.
14460 * cppdefault.c (cpp_include_defaults): Set it.
14461 * c.opt (-imultilib): New option.
14462 * c-opts.c (imultilib): New.
14463 (c_common_handle_option): Handle -imultilib.
14464 (c_common_post_options): Likewise.
14465 * c-incpath.c (add_standard_paths, register_include_chains):
14467 * c-incpath.h (register_include_chains): Add extra parameter.
14468 * gcc.c (do_spec_1): Generate -imultilib option.
14469 (The Specs Language): Update %I description.
14470 (process_command): Update copyright notice.
14471 * doc/cppopts.texi (-imultilib): Document.
14472 * doc/invoke.texi (-imultilib): Include in option summary.
14473 (%I): Update specs documentation.
14475 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14477 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14479 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14481 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14484 2006-01-20 Richard Guenther <rguenther@suse.de>
14485 Steven Bosscher <stevenb.gcc@gmail.com>
14487 PR rtl-optimization/24626
14488 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14489 EDGE_TRUE_VALUE if in RTL mode.
14492 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14493 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14495 2006-01-20 Dirk Mueller <dmueller@suse.com>
14498 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14499 instead of a special NOP marker.
14500 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14501 NOP marker handling.
14502 * c-common.h (empty_body_warning): Add forward declaration.
14503 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14504 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14506 2006-01-20 Paul Brook <paul@codesourcery.com>
14508 * Makefile.in (lang_checks): Keep going if mkdir fails.
14510 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14512 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14513 be able to clean out basic block when not necessary.
14514 (df_scan_free): Fixed to properly delete information if df is
14515 unused before calling df_finish.
14516 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14517 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14519 (df_bb_refs_delete): New function.
14520 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14521 * df-core.c (df_set_blocks): Added code to properly clean out
14522 unused blocks if they are not part of the blocks to consider.
14523 Added additional null check.
14524 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14525 be able to clean out basic block when not necessary
14526 * df.h (df_free_bb_function): Ditto.
14527 (df_bb_refs_delete): New function.
14528 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14529 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14530 basic block parameter to be able to clean out basic block when not
14532 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14533 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14534 Fixed to properly delete information if df is unused before
14537 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14539 PR rtl-optimization/25799
14540 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14541 Corrected confluence operator to remove bits from op2 before oring
14542 with op1 rather than removing bits from op1.
14543 (df_ru_transfer_function): Corrected test on wrong bitmap which
14544 caused infinite loop. Both of these problems were introduced in
14545 the dataflow rewrite.
14547 2006-01-19 DJ Delorie <dj@redhat.com>
14549 * reload1.c (find_reload_regs): Note the details of reload
14550 failures in the dump file.
14551 (spill_failure): Likewise.
14553 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14555 * loop-iv.c: Include df.h and hashtab.h.
14556 (enum iv_grd_result): New enum.
14557 (DF_REF_IV, DF_REF_IV_SET): New macros.
14558 (struct biv_entry): New.
14559 (df, bivs): New global variables.
14560 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14561 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14563 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14564 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14565 analyzed_for_bivness_p, record_biv): New functions.
14566 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14567 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14568 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14570 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14572 (iv_number_of_iterations): Use new interface to iv analysis.
14573 * loop-unroll.c: Do not include varray.h.
14574 (analyze_iv_to_split_insn): Use new interface to iv
14576 * loop-unswitch.c (may_unswitch_on): Ditto.
14577 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14579 (df_bb_modify): Realloc tables to the new index.
14580 (df_find_use): New function.
14581 * df.h (df_find_use): Declare.
14582 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14584 * cfgloop.h (struct rtx_iv): Remove analysed field.
14585 (iv_get_reaching_def): Removed.
14586 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14587 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14588 (loop-iv.o): Add df.h and hashtab.h dependency.
14589 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14591 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14594 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14596 (__floatundisf, __floatundidf): Likewise.
14597 * libgcc2.h (IS_IBM_EXTENDED): Define.
14599 2006-01-19 DJ Delorie <dj@redhat.com>
14601 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14603 2006-01-19 Paul Brook <paul@codesourcery.com>
14605 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14606 as nothrow when unwinding tables are disabled.
14608 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14611 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14612 of bit-field" when in system header.
14614 2006-01-19 DJ Delorie <dj@redhat.com>
14616 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14617 the 16 bit shift limit of the m16c.
14619 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14622 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14623 * config/i386/i386.c (output_set_got): Output the label if we have one
14624 for the TARGET_DEEP_BRANCH_PREDICTION case.
14626 2006-01-19 Jan Hubicka <jh@suse.cz>
14627 H.J. Lu <hongjiu.lu@intel.com>
14628 Evandro Menezes <evandro.menezes@amd.com>
14630 * invoke.texi (generic): Document
14632 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14633 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14634 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14635 (x86_use_incdec, x86_pad_returns): New variables
14636 (TARGET_CPU_DEFAULT_generic): New constant
14637 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14638 (enum processor_type): Add generic32 and generic64.
14639 * i386.md (cpu attribute): Add generic32/generic64
14640 (movhi splitter): Behave sanely when both partial_reg_dependency and
14641 partial_reg_stall are set.
14642 (K8 splitters): Enable for generic as well.
14643 * predicates.md (incdec_operand): Use TARGET_INCDEC
14644 (aligned_operand): Avoid memory mismatch stalls.
14645 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14646 * ppro.md: Enable for generic32
14647 * i386.c (generic64_cost, generic32_cost): New.
14648 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14649 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14650 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14651 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14652 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14653 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14654 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14655 x86_accumulate_outgoing_args, x86_prologue_using_move,
14656 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14657 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14658 Enable for generic.
14659 (x86_use_incdec, x86_pad_returns): New.
14660 (override_options): Add generic32 and generic64, translate "generic"
14661 to generic32/generic64 and "i686" to "generic32", refuse
14662 "generic32"/"generic64" as arch target.
14663 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14664 (ix86_reorg): Honor PAD_RETURNS.
14666 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14668 * tree-pretty-print.c (dump_generic_node): Handle
14669 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14670 * cgraph.c (cgraph_expand_queue): Rename from
14671 cgraph_analyze_queue. Update all users.
14672 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14673 cgraph_expand_queue.
14674 (cgraph_expand_all_functions): Likewise.
14675 (cgraph_finalize_pending_functions): Remove. Update callers.
14677 * tree.h (OMP_DIRECTIVE_P): Define.
14678 (OMP_PARALLEL_FN): Define.
14679 (OMP_PARALLEL_DATA_ARG): Define.
14680 (OMP_SECTIONS_SECTIONS): Define.
14681 * tree-pass.h (pass_expand_omp): Declare.
14682 * omp-low.c (struct omp_region): Declare.
14683 (struct omp_context): Remove fields 'parallel_type',
14684 'parallel_start_ix' and 'parallel_start_additional_args'.
14686 (struct omp_for_data): Rename from struct expand_omp_for_data.
14687 (omp_regions): New static variable.
14688 (root_omp_region): New static variable.
14689 (find_omp_clause): Make static.
14690 (is_in_combined_parallel_ctx): Remove.
14691 (is_combined_parallel): New.
14692 (extract_omp_for_data): Move earlier in the file.
14693 (workshare_safe_to_combine_p): New.
14694 (get_ws_args_for): New.
14695 (determine_parallel_type): Move earlier in the file.
14696 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14698 (omp_copy_decl): Likewise.
14699 (create_omp_child_function): Likewise.
14700 (lookup_omp_region): New.
14701 (dump_omp_region): New.
14702 (debug_omp_region): New.
14703 (debug_all_omp_regions): New.
14704 (new_omp_region): New.
14705 (scan_omp_parallel): If parallel_nesting_level > 1, the
14706 directive is nested within another parallel directive.
14707 Set OMP_PARALLEL_FN.
14708 (scan_omp_for): Do not try to handle combined parallel+for
14710 Remove FIXME comment.
14711 (scan_omp_nested): Remove.
14712 (scan_omp_1): Do not call scan_omp_nested when
14713 parallel_nesting_level is > 1.
14714 Do not change the DECL_CONTEXT of local variables found.
14715 (lookup_decl_in_outer_ctx): New.
14716 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14717 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14718 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14719 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14720 If CTX is nested, lookup VAR in the outer context when
14721 building copy assignment.
14722 (lower_send_clauses): Rename from expand_send_clauses.
14723 If CTX is nested, lookup VAR in the outer context when
14724 building copy assignments.
14725 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14726 If CTX is nested, lookup VAR in the outer context when
14727 building copy assignments.
14728 (expand_parallel_call): Rename from build_parallel_call.
14729 Handle combined parallel+workshare cases.
14730 Re-implement to emit code into the CFG.
14732 (expand_omp_parallel): Re-implement to emit code into the CFG.
14733 Call move_sese_region_to_fn to outline the sub-graph
14734 containing the parallel region.
14735 (expand_omp_for_1): Remove.
14736 (expand_omp_for_generic): Re-implement to emit code into the
14738 (expand_omp_for_static_nochunk): Likewise.
14739 (expand_omp_for_static_chunk): Likewise.
14740 (expand_omp_for): Likewise.
14741 (expand_omp_sections): Likewise.
14742 (remove_exit_barriers): New.
14743 (expand_omp_synch): New.
14745 (build_omp_regions_1): New.
14746 (build_omp_regions): New.
14747 (execute_expand_omp): New.
14748 (gate_expand_omp): New.
14749 (pass_expand_omp): Define.
14750 (lower_omp_sections): Rename from expand_omp_sections.
14751 Set OMP_SECTIONS_SECTIONS.
14752 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14753 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14754 (lower_omp_single): Rename from expand_omp_simple.
14755 (lower_omp_master): Rename from expand_omp_master.
14756 (lower_omp_ordered): Rename from expand_omp_ordered.
14757 (lower_omp_critical): Rename from expand_omp_critical.
14758 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14759 (lower_omp_for): Re-implement.
14760 (lower_omp_parallel): Re-implement.
14761 (lower_regimplify): Rename from expand_regimplify.
14762 (lower_omp_1): Rename from expand_omp_1.
14763 If there are syntax errors in the program, replace every
14764 OpenMP directive with NOP.
14765 Call lower_omp_* instead of expand_omp_*.
14766 (lower_omp): Rename from expand_omp.
14768 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14769 * tree-gimple.h (enum omp_parallel_type): Remove.
14770 (gimple_boolify): Declare extern.
14771 (find_omp_clause, determine_parallel_type): Remove.
14773 * gimple-low.c (lower_omp_directive): New.
14774 (lower_stmt): Call it.
14775 (record_vars_into): Move from ...
14776 (record_vars): ... here.
14777 Call record_vars_into with current_function_decl.
14779 * gimplify.c (struct gimplify_ctx): Remove fields
14780 combined_pre_p and combined_ctxp. Update users.
14781 (get_formal_tmp_var): Add documentation.
14782 (gimple_boolify): Make extern.
14783 (gimplify_expr_in_ctx): Remove. Update callers.
14784 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14785 will always be a BIND_EXPR.
14786 (gimplify_expr): Handle OMP_RETURN_EXPR.
14787 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14788 (OMP_PARALLEL): Add 3 operands.
14789 (OMP_SECTIONS): Add 1 operand.
14790 (OMP_RETURN_EXPR): Define.
14792 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14793 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14794 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14795 creating a circular free list.
14796 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14798 * tree-flow.h (move_sese_region_to_fn): Declare.
14799 (record_vars_into): Declare.
14800 * tree-cfg.c (make_omp_sections_edges): New.
14801 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14802 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14803 OMP_SECTIONS and OMP_SECTION.
14804 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14805 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14806 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14807 (gather_blocks_in_sese_region): New.
14808 (struct move_stmt_d): Declare.
14809 (move_stmt_r): New.
14810 (move_block_to_fn): New.
14811 (move_sese_region_to_fn): New.
14813 * passes.c (init_optimization_passes): Schedule
14814 pass_expand_omp after pass_init_datastructures.
14816 * tree-ssa-operands.c (get_expr_operands): Handle
14817 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14818 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14820 2006-01-19 Jeff Law <law@redhat.com>
14822 * tree-vrp.c (extract_range_from_assert): Refine the result range
14823 if the variable referenced by the ASSERT_EXPR has a range and
14824 either the tentative result range or the previous range is a
14827 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14829 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14831 2006-01-19 Jan Hubicka <jh@suse.cz>
14833 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14835 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14837 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14838 (expand_compound_operation, expand_field_assignment): Fail if the
14839 bit lengths of an extract operation are out of range.
14840 (make_extraction): Compute wanted_inner_mode based on the position
14841 and length of the extraction. Make it extraction_mode for non-constant
14842 positions, and do not modify offset in that case. When generating a
14843 new MEM, use a mode that can hold the extraction while keeping correct
14844 alignment. Remove code that supported MEMs wrapped by USEs.
14845 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14847 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14849 * config/s390/s390.md ("Y", "y"): New mode attribute.
14850 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14851 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14852 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14853 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14854 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14855 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14856 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14857 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14858 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14859 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14860 "addsi3", "subsi3"): Insn patterns removed.
14861 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14862 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14863 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14864 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14865 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14866 "*sub<mode>3_cconly2"): New insn patterns.
14867 ("addsi3", "subsi3"): New expanders.
14869 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14871 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14872 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14873 existing STMT_VINFO_VECTYPE if available.
14874 (vect_mark_relevant): Add special handling for stmts that are
14875 marked as STMT_VINFO_IN_PATTERN_P.
14876 (vect_analyze_loop): Call vect_pattern_recog.
14877 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14878 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14880 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14881 (vect_recog_func_ptr): New function-pointer type.
14882 * tree-vect-patterns.c: New file.
14883 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14884 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14885 (vect_pattern_recog_1): New functions.
14886 (vect_pattern_recog_funcs): New array of function pointers.
14888 * tree-vectorizer.h (ternary_op): New enum value.
14889 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14890 declaration. Revised documentation. Removed redundant dump prints.
14891 Removed redundant argument. Added support for reduction patterns.
14892 (vectorizable_reduction): Added support for reduction patterns.
14893 (vect_transform_stmt): Added support for patterns.
14895 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14896 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14897 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14898 (expand_widen_pattern_expr): New function.
14899 (init_optabs): Initialize new optabs udot_prod_optab,
14901 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14902 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14903 (expand_widen_pattern_expr): New function declaration.
14904 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14906 * tree-inline.c (estimate_num_insns_1): Added cases for new
14907 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14908 * tree-pretty-print.c (dump_generic_node): Likewise.
14909 (op_prio): Likewise.
14910 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14911 * tree-ssa-operands.c (get_expr_operands): Added case for
14913 * tree-vect-patterns.c (widened_name_p): New function.
14914 (vect_recog_dot_prod_pattern): Added function implementation.
14915 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14916 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14917 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14918 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14920 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14921 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14922 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14923 (init_optabs): Initialize new optabs widen_ssum_optab,
14925 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14926 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14927 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14928 use instead of type of def.
14929 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14930 function implementation.
14931 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14932 widen_ssumv8hi): New.
14934 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14937 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14940 * c-decl.c (add_flexible_array_elts_to_size): New function.
14941 (finish_decl): Use it.
14943 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14945 * diagnostic.h: Include options.h.
14946 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14947 dependancies for diagnostic.h.
14948 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14950 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14952 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14953 (ssa_ro_call_cache_valid): Ditto.
14954 * tree-ssa-alias.c (sort_tags_by_id): New function.
14955 (init_transitive_clobber_worklist): Ditto.
14956 (add_to_worklist): Ditto.
14957 (mark_aliases_call_clobbered): Ditto.
14958 (compute_tag_properties): Ditto.
14959 (set_initial_properties): Ditto.
14960 (compute_call_clobbered): Ditto.
14961 (compute_may_aliases): Call compute_call_clobbered and grouping.
14962 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14963 (compute_flow_insensitive_aliasing): Grouping now happens in our
14965 (setup_pointers_and_addressables): Remove clobbering related code.
14966 (add_may_alias): Ditto.
14967 (replace_may_alias): Ditto.
14968 (get_nmt_for): Ditto.
14969 (create_global_var):
14970 (is_escape_site): Return an escape_type enumeration.
14971 * tree-flow-inline.h (is_call_clobbered): Global var does not
14972 imply call clobbered.
14973 (mark_call_clobbered): Take a reason for marking this. Remove
14974 marking of globalness, and cache invalidation.
14975 (clear_call_clobbered): Remove cache invalidation code.
14976 * tree-dfa.c (dump_variable): If details is on, dump the reason
14978 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14980 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14981 (struct var_ann_d): Ditto.
14982 (enum escape_type): New.
14983 (mark_call_clobbered): Adjust prototype.
14984 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14985 are never call clobbered.
14986 Record reasons for escaping.
14987 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14988 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14989 (ssa_ro_call_cache_valid): Ditto.
14990 (clobbered_v_may_defs): Ditto.
14991 (clobbered_vuses): Ditto.
14992 (ro_call_vuses): Ditto.
14993 (clobber_stats): New.
14994 (init_ssa_operands): Zero out clobber stats.
14995 (fini_ssa_operands): Print out clobber stats.
14996 (get_call_expr_operands): Pass callee fndecl to
14997 add_call_read_ops).
14998 (add_call_clobber_ops): Remove use of cache.
14999 Add use of PURE_CONST information.
15000 (add_call_read_ops): Remove use of cache.
15001 Add use of static not_read information.
15003 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15005 Introduce TLS descriptors for i386 and x86_64.
15006 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15007 (TARGET_ANY_GNU_TLS): New macro.
15008 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15009 (struct machine_function): Add tls_descriptor_call_expanded_p.
15010 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15011 (ix86_current_function_calls_tls_descriptor): Likewise.
15012 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15013 (override_options): Introduce gnu2 tls dialect.
15014 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15016 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15018 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15019 (ix86_init_machine_status): Initialize new field.
15020 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15021 (ix86_tls_module_base): New.
15022 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15023 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15024 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15025 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15026 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15027 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15028 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15029 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15030 * config/i386/predicates.md (tls_modbase_operand): New.
15031 (tp_or_register_operand): New.
15033 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15035 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15036 (look_for_address_of): Ditto.
15037 (ipa_init): Walk the function decls.
15038 (static_execute): Don't set readonly on FUNCTION_DECL's.
15040 2006-01-18 Roger Sayle <roger@eyesopen.com>
15042 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15043 for shifts where the source and destination registers are different.
15045 2006-01-18 Paul Brook <paul@codesourcery.com>
15047 Merge from csl-arm-branch.
15048 2005-03-14 Julian Brown <julian@codesourcery.com>
15049 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15050 (aeabi_llsl): Likewise.
15051 (ashrdi3): Likewise.
15052 (aeabi_lasr): Likewise.
15053 (lshrdi3): Likewise.
15054 (aeabi_llsr): Likewise.
15055 2005-03-10 Julian Brown <julian@codesourcery.com>
15056 * config.gcc: Disable shared libgcc for SymbianOS.
15057 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15059 2006-01-18 DJ Delorie <dj@redhat.com>
15061 * c-pragma.c (handle_pragma_diagnostic): New.
15062 (init_pragma): Register it.
15063 * doc/extend.texi: Document it.
15065 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15066 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15067 (diagnostic_context): Add classify_diagnostic[].
15068 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15069 as errors if they're overridden to DK_WARNING.
15070 (diagnostic_initialize): Initialize classify_diagnostic[].
15071 (diagnostic_set_kind_override): New.
15072 (diagnostic_report_diagnostic): Check for kind changes.
15073 * opts.c (common_handle_option): Take lang_mask. Update callers.
15074 Handle OPT_Werror_.
15075 * common.opt (Werror=): New.
15076 * doc/invoke.texi: Document -Werror=*
15078 2006-01-18 Jeff Law <law@redhat.com>
15080 * tree-vrp.c (test_for_singularity): Correct test for new
15081 min limit. Use operand_equal_p rather than pointer equality
15082 for testing if new min/max values are equal.
15084 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15085 using range information until after propagation and folding.
15087 2006-01-18 Richard Henderson <rth@redhat.com>
15088 Aldy Hernandez <aldyh@redhat.com>
15089 Jakub Jelinek <jakub@redhat.com>
15090 Diego Novillo <dnovillo@redhat.com>
15092 * omp-low.c: New file.
15093 * c-omp.c: New file.
15095 2006-01-18 Richard Henderson <rth@redhat.com>
15096 Jakub Jelinek <jakub@redhat.com>
15097 Diego Novillo <dnovillo@redhat.com>
15099 * doc/invoke.texi: Document -fopenmp.
15100 * tree-dump.h (debug_function): Declare.
15101 * hooks.c (hook_bool_tree_bool_false): New function.
15102 (hook_tree_tree_null): Remove.
15103 (hook_tree_tree_tree_null): New.
15104 * hooks.h: Update to match.
15105 * tree-pretty-print.c (debug_tree_chain): New.
15106 (print_generic_expr): Handle TDF_CHAIN.
15107 (dump_generic_node): Handle BLOCK.
15108 Do not abort with incomplete SWITCH_EXPRs.
15109 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15110 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15111 print space after directive name.
15112 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15113 Handle OMP_MASTER and OMP_ORDERED.
15114 Handle printing of OMP_BODY just in one place, goto
15115 dump_omp_body in the rest of OMP_* nodes that have
15117 Don't handle clause nodes here. Update omp statements to
15118 use dump_omp_clauses.
15119 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15120 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15121 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15122 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15123 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15124 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15125 Adjust output for GOMP_PARALLEL.
15126 (dump_omp_clauses): New.
15127 (print_declaration): Dump DECL_VALUE_EXPR.
15128 (op_symbol_1): Split out of op_symbol.
15129 (dumping_stmts): Remove. Update all users.
15130 * cgraph.c (cgraph_analyze_queue): New.
15131 (cgraph_add_new_function): New.
15132 * cgraph.h (cgraph_analyze_queue): Declare.
15133 (cgraph_add_new_function): Declare.
15134 (cgraph_lower_function): Remove.
15135 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15136 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15137 and TYPE_P nodes in its default clause.
15138 (empty_body_p): New.
15139 (tree_range_check_failed): New.
15140 (build5_stat): New.
15141 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15142 OMP_CLAUSE_REDUCTION_MERGE,
15143 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15144 OMP_CLAUSE_PRIVATE_DEBUG,
15145 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15146 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15147 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15148 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15149 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15150 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15151 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15152 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15153 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15154 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15155 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15156 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15157 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15158 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15159 (TREE_RANGE_CHECK): New.
15160 (empty_body_p): Declare.
15161 (enum omp_clause_default_kind): New.
15162 (build_string_literal): Declare.
15163 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15164 (build5_stat, build5): Declare.
15165 * tree-pass.h (TDF_CHAIN): Define.
15166 * tree-pass.h (PROP_gimple_lomp): Define.
15167 (pass_lower_omp): Declare.
15168 * diagnostic.h (debug_tree_chain): Declare.
15169 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15171 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15172 * builtins.c (build_string_literal): Make extern.
15173 * gcc.c (include_spec_function): New.
15174 (static_spec_functions): Add it.
15175 (main): Move load of libgomp.spec ...
15176 (LINK_COMMAND_SPEC): ... here.
15177 (link_gomp_spec): New.
15178 (static_specs): Include it.
15179 (LINK_COMMAND_SPEC): Add link_gomp.
15180 (GOMP_SELF_SPECS): New.
15181 (driver_self_specs): Include it.
15182 (switch_matches): Don't mark inline.
15183 (main): Load libgomp.spec.
15184 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15185 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15186 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15187 * tree-gimple.h (enum omp_parallel): Declare.
15188 (determine_parallel_type): Declare.
15189 (omp_firstprivatize_variable): Declare.
15190 (omp_reduction_init): Declare.
15191 (diagnose_omp_structured_block_errors): Declare.
15192 (struct walk_stmt_info): Add want_return_expr.
15193 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15194 (find_omp_clause): Declare.
15195 (insert_field_into_struct): Declare.
15196 (struct walk_stmt_info): Move from tree-nested.c
15197 (walk_stmts): Declare.
15198 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15200 * cgraphunit.c (cgraph_lower_function): Make static.
15201 (cgraph_finalize_pending_functions): New.
15202 (cgraph_finalize_function): Call it.
15203 (cgraph_finalize_compilation_unit): Likewise.
15204 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15205 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15206 (BT_FN_UINT_UINT): New.
15207 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15208 DEF_FUNCTION_TYPE_VAR_4): Document.
15209 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15210 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15211 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15212 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15213 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15214 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15215 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15216 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15217 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15218 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15219 into separate files.
15220 (DEF_GOMP_BUILTIN): New.
15221 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15222 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15223 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15224 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15225 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15226 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15227 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15228 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15229 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15230 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15231 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15232 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15233 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15234 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15235 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15236 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15237 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15238 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15239 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15240 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15241 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15242 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15243 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15244 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15245 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15246 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15247 * sync-builtins.def: New file, moved from builtins.def.
15248 * omp-builtins.def: New file, moved from builtins.def.
15249 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15250 * gimple-low.c (lower_function_body): Clear data.
15251 (lower_stmt): Do not handle COMPOUND_EXPR.
15252 Remove call to print_node_brief.
15253 * c-tree.h (c_finish_omp_clauses): New prototype.
15254 (C_DECL_THREADPRIVATE_P): Define.
15255 (lookup_name_no_remap, c_omp_remap_private): Remove
15256 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15257 (check_for_loop_decls): Update decl.
15258 (lookup_name_no_remap, c_omp_remap_private): Declare.
15259 (build_indirect_ref, build_modify_expr, pushdecl,
15260 pushdecl_top_level): Move to c-common.h.
15261 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15262 before the switch, but just in the 2 places that need it.
15263 * c-decl.c (diagnose_mismatched_decls): Do not check for
15264 mismatched thread-local attributes when OLDDECL is marked
15265 threadprivate and NEWDECL has no thread-local attributes.
15266 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15267 (c_gimple_diagnostics_recursively): Rename from
15268 c_warn_unused_result_recursively. Invoke
15269 diagnose_omp_structured_block_errors.
15270 (check_for_loop_decls): Return a singular decl found.
15271 * langhooks.c (lhd_omp_predetermined_sharing): Return
15272 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15273 (lhd_omp_firstprivatize_type_sizes): New.
15274 (lhd_omp_assignment): New.
15275 (lhd_omp_predetermined_sharing): New.
15276 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15277 (struct lang_hooks_for_types): Add
15278 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15279 omp_predetermined_sharing, omp_disregard_value_expr,
15280 omp_private_debug_clause, omp_clause_default_ctor,
15281 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15282 (c_finish_omp_clauses): New.
15283 (c_finish_bc_stmt): Diagnose break within omp for.
15284 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15285 (build_unary_op): Return error_mark after reporting
15287 (build_modify_expr): Likewise.
15288 * gimplify.c: Include optabs.h and pointer-set.h.
15289 (enum gimplify_omp_var_data): Declare.
15290 (struct gimplify_omp_ctx): Declare.
15291 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15293 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15294 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15295 (splay_tree_compare_decl_uid): New.
15296 (new_omp_context): New.
15297 (delete_omp_context): New.
15298 (gimple_add_tmp_var): Call omp_add_variable.
15299 (gimplify_bind_expr): Likewise.
15300 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15301 true, disregard DECL_VALUE_EXPR on the decl if any.
15302 (gimplify_expr_in_ctx): New.
15303 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15304 omp_add_variable, omp_notice_variable, omp_is_private
15305 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15306 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15307 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15308 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15309 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15310 gimplify_omp_atomic): New.
15311 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15312 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15313 OMP_CRITICAL and OMP_ATOMIC.
15314 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15315 * c-pragma.h (enum pragma_kind): Add
15316 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15317 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15318 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15319 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15320 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15321 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15322 PRAGMA_OMP_THREADPRIVATE.
15323 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15324 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15325 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15326 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15327 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15328 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15329 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15330 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15331 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15332 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15333 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15334 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15335 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15337 (struct nesting_info): Add field_map,
15338 suppress_expansion, debug_var_chain.
15339 (create_nesting_tree): Initialize them.
15340 (lookup_field_for_decl): Use field_map.
15341 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15342 (convert_local_omp_clauses): New.
15343 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15344 (walk_body): Split out of walk_function.
15345 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15346 (convert_nonlocal_reference): Handle omp statements.
15347 (convert_local_reference): Likewise.
15348 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15349 (unnest_nesting_tree): New.
15350 (lower_nested_functions): Call it.
15351 (insert_field_into_struct): Make extern.
15352 (struct walk_stmt_info): Move to tree-gimple.h.
15353 (walk_stmts): Make extern.
15354 * omp-builtins.def: New file.
15355 * tree-iterator.c (expr_only): Clarify comment.
15356 * c-common.h (pushdecl_top_level, pushdecl,
15357 build_modify_expr, build_indirect_ref,
15358 c_finish_omp_master, c_finish_omp_critical,
15359 c_finish_omp_ordered, c_finish_omp_barrier,
15360 c_finish_omp_atomic, c_finish_omp_flush,
15361 c_finish_omp_for, c_split_parallel_clauses,
15362 omp_clause_default_kind, c_omp_sharing_predetermined,
15363 c_omp_remap_decl): Declare.
15364 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15365 (OBJS-common): Add omp-low.o.
15366 (c-omp.o, omp-low.o): Add.
15367 (gimplify.o): Add dependency on $(OPTABS_H).
15368 (GTFILES): Add omp-low.c.
15369 (gt-stringpool.h): Add.
15370 * tree-cfg.c (set_bb_for_stmt): Do not update the
15371 block-to-labels map if we are currently expanding to RTL.
15372 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15374 Handle IDENTIFIER_NODE.
15375 (tree_verify_flow_info): Do not ICE when emitting error
15376 messages about invalid labels.
15377 (dump_function_to_file): Reset CFUN before emitting the body
15379 (debug_function): New.
15380 * passes.c (init_optimization_passes): Schedule
15382 * langhooks-def.h (lhd_omp_predetermined_sharing,
15383 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15385 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15386 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15387 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15388 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15389 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15390 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15391 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15392 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15393 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15394 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15395 (LANG_HOOK_DECLS): Use them.
15397 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15398 Richard Henderson <rth@redhat.com>
15399 Jakub Jelinek <jakub@redhat.com>
15400 Diego Novillo <dnovillo@redhat.com>
15402 * c-parser.c (pragma_omp_clause): Define.
15403 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15404 (c_parser_compound_statement): Likewise.
15405 (c_parser_statement): Likewise.
15406 (c_parser_pragma): Handle omp pragmas.
15407 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15408 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15409 (c_parser_omp_clause_name, check_no_duplicate_clause,
15410 c_parser_omp_variable_list,
15411 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15412 c_parser_omp_clause_copyprivate,
15413 c_parser_omp_clause_default,
15414 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15415 c_parser_omp_clause_lastprivate,
15416 c_parser_omp_clause_nowait,
15417 c_parser_omp_clause_num_threads,
15418 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15419 c_parser_omp_clause_reduction,
15420 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15421 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15422 c_parser_omp_atomic, c_parser_omp_barrier,
15423 c_parser_omp_critical, c_parser_omp_flush,
15424 c_parser_omp_for_loop, c_parser_omp_for,
15425 c_parser_omp_master, c_parser_omp_ordered,
15426 c_parser_omp_sections_scope, c_parser_omp_sections,
15427 c_parser_omp_parallel, c_parser_omp_single,
15428 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15429 * c-pragma.c (init_pragma): Do omp pragma registration here.
15430 * c.opt (fopenmp): New flag.
15432 2006-01-18 Eric Christopher <echristo@apple.com>
15434 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15435 * config/darwin.h (GOMP_SELF_SPECS): Define.
15437 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15439 * rtl.h: Remove the prototype for reg_alloc.
15441 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15444 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15445 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15446 sjlj and dwarf2 exception handling.
15447 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15448 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15449 * pa/pa.c (function_value): Treat complex and vector types as
15451 (function_arg): Likewise. Only pass scalar floats in the floating
15452 point argument registers.
15453 * pa/t-slibgcc-dwarf-ver: New file.
15454 * pa/t-slibgcc-sjlj-ver: New file.
15455 * pa/t-slibgcc-elf-ver: Delete file.
15457 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15459 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15460 unlikely_test_section_p test.
15462 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15464 * mode-switching.c (optimize_mode_switching): Make it static.
15465 * basic-block.h: Remove the prototype for
15466 optimize_mode_switching.
15468 * modulo-sched.c (sms_schedule): Make it static.
15469 * rtl.h: Remove the prototype for sms_schedule.
15471 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15472 * rtl.h: Remove the prototype for gcse_after_reload_main.
15474 * reg-stack.c (reg_to_stack): Make it static.
15475 * rtl.h: Remove the prototype for reg_to_stack.
15477 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15479 * rtl.h: Remove the prototypes for regrename_optimize and
15480 copyprop_hardreg_forward.
15482 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15484 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15485 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15486 Test against the appropriate null constant for the mode.
15487 If 'fixup_overlap' is true, swap the operands if they overlap.
15488 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15489 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15490 alpha_split_tmode_pair and adjust for above change.
15491 * config/alpha/alpha.md (movtf_internal): Adjust call to
15492 alpha_split_tfmode_pair and rely on it to swap the operands.
15493 (movti_internal): New insn and post-reload splitter.
15494 (movti): New expander.
15496 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15498 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15501 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15503 * rtlanal.c (global_reg_mentioned_p_1,
15504 global_reg_mentioned_p): Remove.
15505 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15507 * flow.c (initialize_uninitialized_subregs): Make it static.
15508 * rtl.h: Remove the prototype for
15509 initialize_uninitialized_subregs.
15511 * function.c (instantiate_virtual_regs): Make it static.
15512 * function.h: Remove the prototype for
15513 instantiate_virtual_regs.
15515 * regmove.c (regmove_optimize, combine_stack_adjustments):
15517 * rtl.h: Remove the prototypes for regmove_optimize and
15518 combine_stack_adjustments.
15520 2006-01-17 Roger Sayle <roger@eyesopen.com>
15522 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15523 (size_cost): Encode costs in bytes so that a reg-reg addition is
15524 equivalent to COSTS_N_INSNS(1).
15525 (override_options): Use the size_cost.branch_cost as the default
15526 ix86_branch_cost when optimizing for size.
15528 2006-01-18 Ben Elliston <bje@au.ibm.com>
15530 * Makefile.in (D32PBIT_FUNCS): New.
15531 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15532 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15533 D64PBIT_FUNCS and D128PBIT_FUNCS.
15534 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15535 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15537 (decnumber_dep): Define.
15538 * doc/libgcc.texi (Decimal float library routines): New node.
15539 * config/dfp-bit.h, config/dfp-bit.c: New files.
15541 2006-01-18 Ben Elliston <bje@au.ibm.com>
15543 * expr.c (emit_move_change_mode): Always adjust addresses, not
15544 just during reload. Copy replacements only during reload.
15545 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15546 emit_move_via_integer.
15548 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15550 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15551 instead of $(srcdir) and ${srcdir}.
15553 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15556 PR middle-end/11135
15557 * arm.h (struct machine_function): Add pic_reg.
15558 * arm.c (arm_pic_register): Make unsigned.
15559 (arm_override_options): Only set arm_pic_register if
15560 TARGET_SINGLE_PIC_BASE.
15561 (use_return_insn): Only test for a pic register if it is fixed.
15562 (arm_compute_save_reg0_reg12_mask): Likewise.
15563 (thumb_compute_save_reg_mask): Likewise.
15564 (legitimate_pic_operand): Factor out some known invariants.
15565 (legitimize_pic_address): If we don't have a fixed pic register,
15566 then set up a pseudo in the function entry sequence. Handle the
15567 pic base being in a pseudo.
15568 (arm_load_pic_register): Handle the pic register being in a pseudo.
15569 (arm_expand_prologue): Only set up the pic register if it is fixed.
15570 (thumb_expand_prologue): Likewise.
15571 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15572 (pic_load_addr_based_insn): Likewise.
15573 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15576 2006-01-18 Ben Elliston <bje@au.ibm.com>
15578 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15579 decimal float modes for all floating point registers.
15581 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15582 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15584 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15587 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15588 even when the pointer is not NULL.
15590 2006-01-16 Ian Lance Taylor <ian@airs.com>
15592 * common.opt (ftoplevel-reorder): New option.
15593 * cgraph.c (cgraph_asm_nodes): New global variable.
15594 (cgraph_asm_last_node): New static variable.
15595 (cgraph_order): New global variable.
15596 (cgraph_create_node): Set new order field.
15597 (cgraph_varpool_node): Likewise.
15598 (decide_is_variable_needed): Return true if not
15599 flag_toplevel_reorder.
15600 (cgraph_add_asm_node): New function.
15601 * cgraph.h (struct cgraph_node): Add order field.
15602 (struct cgraph_varpool_node): Add order field.
15603 (struct cgraph_asm_node): Define.
15604 (cgraph_asm_nodes, cgraph_order): Declare.
15605 (cgraph_add_asm_node): Declare.
15606 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15608 (cgraph_varpool_assemble_pending_decls): Call it.
15609 (cgraph_output_pending_asms): New static function.
15610 (cgraph_finalize_compilation_unit): Call it.
15611 (struct cgraph_order_sort): Define.
15612 (cgraph_output_in_order): New static function.
15613 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15614 !flag_toplevel_reorder case.
15615 * c-parser.c: Include "cgraph.h".
15616 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15618 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15619 than -fno-unit-at-a-time.
15620 * doc/invoke.texi (Option Summary): Mention
15621 -fno-toplevel-reorder.
15622 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15623 -funit-at-a-time documentation.
15625 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15626 Kazu Hirata <kazu@codesourcery.com>
15628 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15630 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15632 * Makefile.in (FUNCTION_H): New. Use it instead of
15633 function.h throughout the file.
15634 * function.h: Include tree.h.
15636 2006-01-17 Ben Elliston <bje@au.ibm.com>
15638 * recog.c: Separate some functions with whitespace.
15640 2006-01-16 Richard Henderson <rth@redhat.com>
15642 Merge from gomp branch:
15643 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15644 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15645 and rename from struct inline_data. Rename callee* to dst*;
15646 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15647 transform_new_cfg, transform_return_to_modify, and
15648 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15650 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15651 (copy_decl_for_dup): Remove.
15652 * tree-inline.c (struct inline_data): Move to header.
15653 (insert_decl_map): Export.
15654 (remap_decl): Update for member name changes. Use copy_decl hook.
15655 Allow for replacement to be a non-decl. Remove dead code.
15656 (remap_type_1): Check for existing mapping.
15657 (remap_type): Export.
15658 (remap_decls): Update for member name changes.
15659 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15660 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15661 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15662 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15663 (tree_function_versioning, build_duplicate_type): Likewise.
15664 (copy_body_r): Likewise. Export.
15665 (copy_decl_for_dup): Split into ...
15666 (copy_decl_for_dup_finish, copy_decl_to_var,
15667 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15668 (replace_ref_tree, inlining_p): Remove.
15670 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15672 * ifcvt.c (if_convert): Make it static.
15673 * rtl.h: Remove the prototype for if_convert.
15675 * local-alloc.c (local_alloc): Make it static.
15676 * rtl.h: Remove the prototype for local_alloc.
15678 * loop.c (loop_optimize): Make it static.
15679 * cfgloop.h: Remove the prototype for loop_optimize.
15682 2006-01-16 DJ Delorie <dj@redhat.com>
15684 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15687 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15689 * pa.md: Disparage copies between general and floating-point registers
15690 in 32-bit move patterns.
15692 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15695 * Makefile.in (check-%): Depend on site.exp instead of
15696 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15699 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15701 * global.c (global_alloc): Make it static.
15702 * rtl.h: Remove the prototype for global_alloc.
15704 2006-01-16 Richard Guenther <rguenther@suse.de>
15706 * tree-ssa-alias.c (struct used_part): Add write_only field.
15707 (get_or_create_used_part_for): Initialize it to true.
15708 (create_overlap_variables_for): Don't create structure variables
15709 for structures that only are written to.
15710 (find_used_portions): Handle MODIFY_EXPR to track whether a
15711 structure is only written to.
15713 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15715 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15717 * basic-block.h: Remove the prototype for
15718 partition_hot_cold_basic_blocks.
15720 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15722 * cppspec.c (lang_specific_spec_functions): Remove.
15723 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15724 * gcc.h (lang_specific_spec_functions): Remove.
15725 * gccspec.c (lang_specific_spec_functions): Remove.
15727 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15729 * combine.c (record_value_for_reg): Invalidate registers
15731 (record_dead_and_set_regs_1): Likewise, by passing them to
15732 record_value_for_reg.
15733 (record_dead_and_set_regs): Invalidate stores made by a
15734 call. We do not combine across a call, but we still
15735 relied on equivalences.
15737 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15739 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15740 vrp_int_const_binop returning non-constant nodes.
15742 2006-01-16 Paul Brook <paul@codesourcery.com>
15744 * config/m68k/m68k.c (output_move_const_into_data_reg):
15745 Output correct mnemonic for mvz and mvs.
15747 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15749 * rtl-factoring.c: Add sequence abstraction algorithm.
15750 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15751 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15753 (block_has_preserve_label): New function.
15754 * common.opt: Register new pass.
15755 * Makefile.in: Ditto.
15757 * timevar.def: Ditto.
15758 * tree-pass.h: Ditto.
15759 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15760 * rtl.h (make_jump_insn_raw): Add forward decl.
15761 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15763 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15764 Roger Sayle <roger@eyesopen.com>
15766 * fold-const.c (fold_minmax): New static function.
15767 (fold_binary) <MIN_EXPR>: Call it.
15768 <MAX_EXPR>: Likewise.
15769 * stor-layout.c (place_field): Use DECL_SIZE consistently
15770 in the computation of the new record size.
15772 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15774 * cse.c (cse_condition_code_reg): Make it static.
15775 * rtl.h: Remove the prototype for cse_condition_code_reg.
15777 * combine.c (combine_instructions): Make it static.
15778 * rtl.h: Remove the prototype for combine_instructions.
15780 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15783 * tree.c (get_file_function_name_long): Concatenate the first global
15784 object name with a string derived from the input filename of the object
15787 2006-01-16 Ben Elliston <bje@au.ibm.com>
15789 * config/i386/winnt-stubs.c: Update FSF address.
15790 * config/xtensa/ieee754-df.S: Ditto.
15791 * config/xtensa/ieee754-sf.S: Ditto.
15793 2006-01-14 Ian Lance Taylor <ian@airs.com>
15795 * ifcvt.c (noce_init_if_info): New static function, broken out of
15796 noce_process_if_block.
15797 (noce_process_if_block): Call noce_init_if_info.
15798 (check_cond_move_block): New static function.
15799 (cond_move_process_if_block): New static function.
15800 (process_if_block): Call cond_move_process_if_block.
15802 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15804 * cselib.c (hash_table): Rename to cselib_hash_table.
15805 (cselib_clear_table, discard_useless_values,
15806 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15807 cselib_init, cselib_finish): Adjust uses of hash_table.
15809 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15811 PR tree-optimization/25485
15812 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15813 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15814 is known to be false and true, respectively.
15816 2006-01-14 Richard Guenther <rguenther@suse.de>
15818 PR tree-optimization/22548
15819 PR tree-optimization/22555
15820 PR tree-optimization/22501
15821 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15822 * params.def (salias-max-array-elements): New parameter.
15823 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15824 * doc/invoke.texi (salias-max-array-elements): Document.
15825 * tree-flow-inline.h (var_can_have_subvars): We also handle
15827 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15829 * tree-ssa-structalias.c (params.h): Include.
15830 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15831 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15832 (get_constraint_for): For ADDR_EXPR operating on something
15833 containing an ARRAY_REF, add all subvars to the solution.
15834 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15835 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15836 for creating MUST_DEFs.
15837 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15839 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15841 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15843 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15844 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15845 number_of_iterations_le): New functions.
15846 (number_of_iterations_special): Removed.
15847 (number_of_iterations_exit): Do not use number_of_iterations_special.
15848 * tree.c (unsigned_type_for): Always return integer type.
15850 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15851 Richard Guenther <rguenther@suse.de>
15853 PR rtl-optimization/24257
15854 * gcse.c (find_moveable_store): Only consider a store movable
15855 when the SET_SRC of the insn can be assigned to a register.
15857 2006-01-14 Ian Lance Taylor <ian@airs.com>
15859 * tree.c (tree_not_class_check_failed): New function.
15860 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15861 (tree_not_class_check_failed): Declare.
15863 2006-01-13 Ian Lance Taylor <ian@airs.com>
15865 * reload1.c (do_output_reload): Add assertion rejecting a
15868 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15870 * combine.c (struct reg_stat): Add new fields truncation_label and
15872 (record_value_for_reg): Reset truncated_to_mode.
15873 (record_truncated_value): New function.
15874 (check_promoted_subreg): Call it. Rename to check_conversions.
15875 (combine_instructions): Rename check_promoted_subreg to
15877 (reg_truncated_to_mode): New function.
15878 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15879 (gen_lowpart_or_truncate): New function.
15880 (force_to_mode): Use it instead of gen_lowpart.
15882 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15884 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15885 VAR is a tag, not its type tag.
15887 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15889 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15890 alternatives to match style of other entries.
15891 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15893 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15895 PR tree-optimization/25771
15896 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15899 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15902 * tree-inline.c (declare_return_variable): If the return variable
15903 was marked as a non gimple complex, set the return slot variable
15904 to be a non gimple comple variable.
15906 2006-01-13 Richard Guenther <rguenther@suse.de>
15908 * builtins.c (expand_builtin_sincos): New function.
15909 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15911 (expand_builtin): Expand sincos using expand_builtin_sincos.
15913 2006-01-12 DJ Delorie <dj@redhat.com>
15915 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15916 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15917 so that constant shifts can be split.
15918 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15919 (m32c_valid_pointer_mode): Make static.
15920 (shift_gen_func_for): New.
15921 (m32c_prepare_shift): Use it. Split large const shifts into
15923 * config/m32c/predicates.md (shiftcount_operand): Allow more
15925 (longshiftcount_operand): New.
15926 * doc/md.texi (Machine Constraints): Document In6.
15928 2006-01-13 Ben Elliston <bje@au.ibm.com>
15930 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15931 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15934 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15936 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15937 to try to avoid clobbering pieces of structures when we know
15938 something about the whole structure.
15939 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15941 2006-01-13 Ben Elliston <bje@au.ibm.com>
15943 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15944 return in memory, as this is no limitation is no longer present.
15946 2006-01-12 DJ Delorie <dj@redhat.com>
15948 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15949 mova with fb, and for fb+0 -> An.
15951 * config/m32c/mov.md (peephole2): Fix enabling logic.
15953 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15954 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15955 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15956 FINI_ARRAY_SECTION_ASM_OP): Define.
15958 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15960 (m32c_legitimize_reload_address): New logic to reload FB to An.
15961 (m32c_output_reg_push): Add newline.
15962 (m32c_output_reg_pop): Likewise.
15964 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15966 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15968 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15970 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15972 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15974 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15977 2006-01-11 Ben Elliston <bje@au.ibm.com>
15979 * rtlanal.c (find_reg_note): Assert insn is not null.
15981 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15983 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15986 2006-01-11 Jeff Law <law@redhat.com>
15988 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15990 (mark_threaded_blocks, register_jump_thread): New functions.
15991 (thread_through_all_blocks): Remove unwanted argument. No
15992 longer rely on e->aux to communicate thread target info.
15993 Call mark_threaded_blocks. Release the threaded_blocks
15994 bitmap and threaded_edges vector when complete.
15995 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15996 (threaded_blocks): Remove.
15997 (tree_ssa_dominator_optimize): Remove initialization and
15998 finalization of threaded_blocks. Simplify call to
15999 thread_through_all_blocks.
16000 (thread_across_edge): Call register_jump_thread rather than
16001 storing thread information into e->aux.
16002 (free_all_edge_infos): Simplify now that e->aux is no longer
16003 used to communicate with thread_through_all_blocks.
16004 * tree-flow.h (thread_through_all_blocks): Update prototype.
16005 (register_jump_thread): Prototype.
16007 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16009 * df-core.c (df_compact_blocks, df_bb_replace): Use
16010 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16012 2006-01-11 Richard Guenther <rguenther@suse.de>
16014 PR tree-optimization/25734
16015 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16016 stop propagation after successful propagation to the LHS.
16018 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16020 * basic-block.h (control_flow_graph): Change the type of
16021 x_basic_block_info to VEC(basic_block,gc) *.
16022 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16024 (SET_BASIC_BLOCK): New.
16025 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16026 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16027 * cfgbuild.c (find_basic_blocks): Likewise.
16028 * cfglayout.c (fixup_reorder_chain): Likewise.
16029 * cfgrtl.c (create_basic_block_structure,
16030 rtl_create_basic_block): Likewise.
16031 * ifcvt.c (find_if_case_1): Likewise.
16032 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16035 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16037 * Makefile.in: Removed rotted odf.c entry.
16039 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16042 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16043 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16044 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16045 output pattern modifier, not %e.
16046 * config/cris/cris.c (cris_op_str): Update comment about pattern
16048 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16049 before falling through into...
16050 <case 'E'>: Redefined from old 'e' case.
16052 2006-01-11 Jan Hubicka <jh@suse.cz>
16055 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16057 2006-01-11 Jan Hubicka <jh@suse.cz>
16059 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16060 * i386.c (x86_decompose_lea): Kill.
16061 (ix86_rtx_costs): Kill.
16063 2006-01-11 Jan Hubicka <jh@suse.cz>
16065 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16066 * cgraph.h (cgraph_node): Add inline_decl.
16067 (cgraph_insert_node_to_hashtable): Declare.
16068 (save_inline_function_body): Declare.
16069 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16071 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16072 (cgraph_function_versioning): Update call of tree_function_versioning.
16073 (save_inline_function_body): New function.
16074 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16075 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16076 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16077 (cgraph_default_inline_p): Likewise.
16078 (cgraph_decide_inlining_incrementally): Likewise.
16079 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16080 (copy_bb): Kill saving; do updating of clones.
16081 (copy_cfg_body): Kill saving.
16082 (initialize_inlined-parameters): Likewise.
16083 (expand_call_inline): Likewise.
16085 (tree_function_versioning): New parameter "update_clones".
16086 (inlining_p): Kill saving.
16087 * tree-inline.h (tree_function_versioning): Update prototype.
16088 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16091 2006-01-11 Ian Lance Taylor <ian@airs.com>
16093 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16094 Allow undoing set of machine mode.
16095 (do_SUBST): Use enums instead of is_int.
16096 (do_SUBST_MODE): New function.
16097 (SUBST_MODE): New macro.
16098 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16099 reg and trying to replace reg_regno_rtx with a new register.
16100 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16101 (simplify_set): Use SUBST_MODE.
16102 (distribute_notes): Remove code that tried to update reg notes
16103 for regno_reg_rtx changes.
16105 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16107 PR tree-optimization/23109
16108 PR tree-optimization/23948
16109 PR tree-optimization/24123
16111 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16112 * tree-cfg.c (single_noncomplex_succ): New.
16113 * tree-flow.h (single_noncomplex_succ): Declare it.
16114 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16115 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16116 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16117 insert_bb, register_division_in, insert_reciprocals,
16118 replace_reciprocal, free_bb): New.
16119 (execute_cse_reciprocals_1): Rewritten.
16120 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16121 Do not commit any edge insertion. Always compute dominators and
16122 create the allocation pool.
16123 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16124 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16125 * targhooks.c (default_min_divistions_for_recip_mul): New.
16126 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16127 * passes.c (init_optimization_passes): Run recip after tree loop
16129 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16131 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16132 Kenneth Zadeck <zadeck@naturalbridge.com>
16134 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16135 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16136 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16137 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16138 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16139 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16140 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16141 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16142 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16143 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16144 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16145 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16146 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16147 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16148 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16149 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16150 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16151 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16152 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16153 DF_SCAN_POST_ALLOC): New macros.
16154 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16155 df_free_bb_function, df_local_compute_function, df_init_function,
16156 df_dataflow_function, df_confluence_function_0,
16157 df_confluence_function_n, df_transfer_function,
16158 df_finalizer_function, df_free_function, df_dump_problem_function,
16159 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16160 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16161 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16162 df_urec_bb_info, ) New types.
16163 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16165 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16166 df_analyze_simple_change_some_blocks,
16167 df_analyze_simple_change_one_block, df_compact_blocks,
16168 df_bb_replace, df_bb_regno_last_use_find,
16169 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16170 df_insn_regno_def_p, df_find_def, df_find_use,
16171 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16172 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16173 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16174 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16175 debug_df_chain, df_get_dependent_problem, df_chain_create,
16176 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16177 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16178 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16179 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16180 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16181 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16182 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16183 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16184 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16185 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16186 df_reorganize_refs, df_set_state, df_hard_reg_init,
16187 df_read_modify_subreg_p) New public functions.
16188 * df-core.c: The core dataflow solver and glue routines for rtl
16190 (df_init, df_add_problem, df_set_blocks, df_finish,
16191 df_hybrid_search_forward, df_hybrid_search_backward,
16192 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16193 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16194 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16195 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16196 df_reg_defined, df_find_use, df_reg_used, df_dump,
16197 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16198 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16199 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16200 debug_df_useno, reset_df_after_reload): New functions.
16201 * df-scan.c: The scanning fuctions, once in df.c, completely
16202 rewritten so that they now fully model the functionality of
16203 register usage at the backend.
16204 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16205 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16206 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16207 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16208 df_get_artificial_defs, df_get_artificial_uses,
16209 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16210 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16211 df_refs_delete, df_reorganize_refs, df_set_state,
16212 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16213 df_def_record_1, df_defs_record, df_uses_record,
16214 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16215 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16216 df_record_exit_block_uses, df_hard_reg_init): New functions.
16218 * df-problems.c: Seven concrete dataflow problems that use the
16219 scanning in df-scan.c and are solved by the engine in df-core.c.
16220 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16221 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16222 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16223 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16224 df_ru_free_bb_info, df_ru_alloc,
16225 df_ru_bb_local_compute_process_def,
16226 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16227 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16228 df_ru_transfer_function, df_ru_free, df_ru_dump,
16229 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16230 df_rd_free_bb_info, df_rd_alloc,
16231 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16232 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16233 df_rd_transfer_function, df_rd_free, df_rd_dump,
16234 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16235 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16236 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16237 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16238 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16239 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16240 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16241 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16242 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16243 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16244 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16245 df_urec_mark_reg_use_for_earlyclobber,
16246 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16247 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16248 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16249 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16250 df_chain_create_bb_process_use, df_chain_create_bb,
16251 df_chain_finalize, df_chain_free, df_chains_dump,
16252 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16253 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16254 df_reg_lifetime): New functions.
16255 * df.c: Deleted file.
16256 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16257 consistent with new df api.
16258 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16259 rest_of_handle_sms): Ditto.
16260 * web.c (unionfind_union, union_defs, entry_register, web_main):
16262 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16263 invariant_expr_equal_p, find_defs, check_dependencies,
16264 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16265 free_inv_motion_data, move_loop_invariants): Ditto.
16266 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16267 Update dependencies.
16268 (odf.c): Added defective entry that was deleted later in day.
16269 * sched-deps.c (sched_analyze_1): Ditto.
16271 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16273 * tree-ssa-operands.c (get_expr_operands): Record addressable
16274 variables directly. Do not call add_stmt_operands for CONST_DECLs
16276 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16277 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16279 2006-01-11 Ben Elliston <bje@au.ibm.com>
16281 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16282 function returns true in the positive case.
16284 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16287 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16288 for SI, DI, SF and DF modes. Add alternatives to copy between
16289 general and floating point registers to the 32-bit patterns.
16290 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16291 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16292 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16293 generating 64-bit code.
16294 * config/pa/pa.c (output_move_double): Handle copies between general
16295 and floating registers.
16297 2006-01-10 Stuart Hastings <stuart@apple.com>
16299 * config/i386/i386.md (set_got): Update.
16300 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16301 (builtin_setjmp_receiver): Mach-O support.
16302 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16303 (GOT_SYMBOL_NAME): Define.
16304 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16305 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16306 * config/i386/i386.c (override_options): Revise for Darwin.
16307 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16308 support. (darwin_x86_file_end): New. (output_set_got): Add label
16309 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16310 * config/i386/i386-protos.h (output_set_got): Likewise.
16311 * config/darwin.c (machopic_legitimize_pic_address): Update
16314 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16316 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16317 when MODE isn't BLKmode.
16319 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16321 PR rtl-optimization/25367
16322 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16324 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16327 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16328 for a negative bound.
16330 2006-01-10 Richard Guenther <rguenther@suse.de>
16332 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16333 Never override with anything constraint.
16335 2006-01-10 Jan Beulich <jbeulich@novell.com>
16337 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16338 256 bits when optimize_size.
16340 2006-01-10 Jan Beulich <jbeulich@novell.com>
16342 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16344 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16345 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16348 2006-01-10 Ben Elliston <bje@au.ibm.com>
16350 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16352 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16353 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16354 (USE_FP_FOR_ARG): Reject decimal float modes.
16355 (function_arg_advance): Likewise.
16356 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16357 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16358 point types in AltiVec vectors.
16359 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16360 (rs6000_libcall_value): Likewise.
16362 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16364 * config/xtensa/ieee754-df.S: New file.
16365 * config/xtensa/ieee754-sf.S: New file.
16366 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16367 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16368 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16370 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16372 * config/sh/predicates.md (binary_float_operator,
16373 binary_logical_operator, commutative_float_operator,
16374 equality_comparison_operator, greater_comparison_operator,
16375 less_comparison_operator, logical_operator,
16376 noncommutative_float_operator, shift_operator,
16377 symbol_ref_operand, unary_float_operator): Remove redundant
16380 2006-01-09 Jeff Law <law@redhat.com>
16382 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16383 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16384 now unused arguments. Callers updated.
16385 (eliminate_redundant_computations): Remove now unused arguments,
16387 (local_fold): Remove, no longer used.
16388 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16390 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16391 (simplify_cond): New function.
16392 (forward_propagate_into_cond): Call simplify_cond.
16394 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16396 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16397 (*vec_extractv2di_1_sse): New.
16399 2006-01-09 Ben Elliston <bje@au.ibm.com>
16401 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16403 2006-01-08 Richard Guenther <rguenther@suse.de>
16405 * tree-ssa-structalias.c (get_constraint_for): Remove
16406 anyoffset argument.
16407 (get_constraint_for_component_ref): Likewise.
16408 (do_deref): Likewise.
16409 (get_constraint_for): Likewise.
16410 (do_structure_copy): Likewise.
16411 (handle_ptr_arith): Likewise.
16412 (find_func_aliases): Likewise. Remove unused need_anyoffset
16415 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16416 Kaz Kojima <kkojima@gcc.gnu.org>
16418 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16419 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16420 (EXTRA_CONSTRAINT_C16): Remove.
16421 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16422 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16423 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16424 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16425 constants of SHmedia. Handle nested constant expressions of
16427 (andcosts): Fix the costs for SHmedia constants.
16428 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16429 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16430 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16431 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16432 (movv4hi_i, movv2si_i): Likewise.
16433 (movsi_const): Adjust the second operand of ior so to match with
16434 the Csu constraint.
16435 (movdi_const, movdi_const_32bit): Likewise.
16436 (movdi_const_16bit+1): Don't sign-extend LOW.
16437 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16439 (*double_shori): Fix the split condition. Use GEN_INT instead
16440 of get_int_mode calls. Mask lower 16-bit of the argument of
16442 (sym2GOTPLT): Remove.
16443 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16445 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16446 instead of EXTRA_CONSTRAINT_C16.
16448 2006-01-07 Ian Lance Taylor <ian@airs.com>
16449 David Edelsohn <edelsohn@gnu.org>
16451 PR rtl-optimization/25662
16452 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16453 for constant operands instead of simplify_gen_binary.
16454 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16455 after trying simplify_binary_operation
16457 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16459 * tree.c (iterative_hash_expr): Hash decls based on UID.
16461 2006-01-06 Eric Christopher <echristo@apple.com>
16463 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16464 (TARGET_UNWIND_EMIT): Fix spelling.
16465 * target.h (gcc_target): Add except_table_label.
16466 * except.c (output_function_exception_table): Use.
16467 * varasm.c (default_emit_except_table_label): New.
16468 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16470 (asm_out): Add here.
16471 * output.h (default_emit_except_table_label): Prototype.
16472 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16473 * config/darwin.c (darwin_emit_except_table_label): Define.
16474 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16476 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16478 PR tree-optimization/18527
16479 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16480 number_of_iterations_special, number_of_iterations_exit):
16481 Move base and step of an iv to a single structure. Add
16482 no_overflow flag, and use it in # of iterations analysis.
16483 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16484 folded_casts argument.
16485 (simple_iv): Pass base and step in a structure. Set no_overflow
16487 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16488 Evaluate expensiveness of computing # of iterations instead of
16489 the final expression.
16490 * tree-scalar-evolution.h (affine_iv): New structure.
16491 (simple_iv): Declaration changed.
16492 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16493 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16494 find_givs_in_stmt): Changed due to simple_iv change.
16496 2006-01-06 Jeff Law <law@redhat.com>
16499 * tree-cfg.c (bsi_replace): Rename final argument from
16500 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16501 change (stmt -> orig_stmt).
16502 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16503 (bsi_remove): Add new argument. Remove EH information
16505 (verify_eh_throw_table_statements): New function.
16506 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16508 * tree-optimize.c (execute_free_cfg_annotations): Verify
16509 the EH throw statement table after removing annotations.
16510 * except.h (verify_eh_throw_table_statements): Prototype.
16511 * tree-flow.h (bsi_remove): Update prototype.
16512 * tree-vrp.c (remove_range_assertions): Add new argument to
16514 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16515 * tree-complex.c (expand_complex_div_wide): Likewise.
16516 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16517 * tree-tailcall.c (eliminate_tailcall): Likewise.
16518 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16519 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16520 * tree-nrv.c (tree_nrv): Likewise.
16521 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16522 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16523 (combine_blocks): Likewise.
16524 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16525 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16526 (cleanup_control_flow): Likewise.
16527 (remove_forwarder_block): Likewise.
16528 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16529 * tree-sra.c (sra_replace): Likewise.
16530 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16531 (forward_propagate_single_use_vars): Likewise.
16532 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16533 * tree-inline.c (expand_call_inline): Likewise.
16534 * tree-vect-transform.c (vect_transform_loop): Likewise.
16535 * tree-outof-ssa.c (rewrite_trees): Likewise.
16536 * tree-cfg.c (make_goto_expr_edges): Likewise.
16537 (cleanup_dead_labels): Likewise.
16538 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16539 (bsi_move_before, bsi_move_after): Likewise.
16540 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16541 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16543 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16546 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16548 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16549 on non gimple variables. Also add checks at the top for decls and
16551 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16553 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16554 and IMAGPART_EXPR for creating MUST_DEFs.
16555 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16556 and NAME_MEMORY_TAG separately from the DECLs.
16558 2006-01-06 Richard Guenther <rguenther@suse.de>
16560 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16561 annotation, if necessary.
16562 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16563 redundant calls to update_stmt.
16564 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16567 2006-01-05 Richard Henderson <rth@redhat.com>
16569 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16571 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16573 * c-typeck.c: Update copyright date.
16575 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16577 * c-typeck.c (build_c_cast): Always warn when casting
16578 from a pointer to an integer of different size, even if
16579 the node was constant.
16581 2006-01-05 Richard Guenther <rguenther@suse.de>
16583 PR tree-optimization/22555
16584 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16585 if one structure field is an array.
16586 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16587 operands even if we found a subvar, but ignore VOPs in this
16589 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16591 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16593 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16595 PR middle-end/24998
16596 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16598 2006-01-05 Richard Guenther <rguenther@suse.de>
16599 Diego Novillo <dnovillo@redhat.com>
16601 * tree-pass.h (TODO_remove_unused_locals): Define.
16602 * gimple-low.c (expand_var_p, remove_useless_vars,
16603 pass_remove_useless_vars): Remove. Update all users.
16604 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16605 (remove_unused_locals): New function.
16606 * tree-flow.h (remove_unused_locals): Declare.
16607 * passes.c (execute_todo): Call remove_unused_locals if
16608 TODO_remove_unused_locals is set.
16609 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16610 * tree-ssa-dce.c (pass_dce): Likewise.
16611 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16613 2006-01-05 Richard Guenther <rguenther@suse.de>
16615 * tree-flow.h (struct fieldoff): Decompose field to
16616 type, size and decl.
16617 * tree-ssa-alias.c (create_sft): Take type as parameter.
16618 (create_overlap_variables_for): Store type, size and decl
16619 in the fieldoff structure.
16620 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16621 of struct fieldoff.
16622 (push_fields_onto_fieldstack): Likewise.
16623 (create_variable_info_for): Likewise. Use offset for the
16624 SFT name if the decl is not available.
16626 2006-01-04 Paul Brook <paul@codesourcery.com>
16628 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16630 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16632 * lambda-code.c (can_put_in_inner_loop): Relax
16634 (can_put_after_inner_loop): New function.
16635 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16636 (perfect_nestify): Change to make copies and modify uses.
16638 2006-01-04 Richard Henderson <rth@redhat.com>
16640 Merge from gomp branch:
16641 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16642 via integer constant.
16643 (pragma_lex): Remove.
16644 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16645 rather than parsing it.
16646 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16647 handle_pragma_extern_prefix): Add %< %> quotes.
16648 (registered_pragmas): New.
16649 (c_register_pragma_1): New.
16650 (c_register_pragma): Use it.
16651 (c_register_pragma_with_expansion): Likewise.
16652 (c_invoke_pragma_handler): New.
16653 (init_pragma): Use cpp_register_deferred_pragma directly for
16655 * c-pragma.h (enum pragma_kind): New.
16656 (pragma_handler): New.
16657 (c_invoke_pragma_handler): Declare.
16658 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16660 * c-common.h (c_common_pch_pragma): Update decl.
16661 * Makefile.in (c-parser.o): Update dependencies.
16662 (GTFILES): Add c-pragma.h.
16663 * c-parser.c (struct c_token): Add pragma_kind.
16664 (struct c_parser): Add in_pragma.
16665 (c_lex_one_token): Always initialize keyword and pragma_kind.
16666 Extract data for CPP_PRAGMA.
16667 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16668 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16669 Don't allow CPP_PRAGMA_EOL if in_pragma.
16670 (c_parser_consume_pragma): New.
16671 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16672 (c_parser_skip_to_end_of_parameter): Likewise.
16673 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16674 (c_parser_skip_to_pragma_eol): New.
16675 (c_parser_external_declaration): Handle CPP_PRAGMA.
16676 (c_parser_compound_statement_nostart): Likewise.
16677 (c_parser_statement_after_labels): Likewise.
16678 (c_parser_pragma): New.
16679 (pragma_lex): Likewise.
16680 (c_parser_pragma_pch_preprocess): New.
16681 (c_parser_new): Merge into ...
16682 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16684 2006-01-04 Jeff Law <law@redhat.com>
16687 * tree-cfg.c (bsi_replace): Remove the original statement
16688 from the EH throw statement table.
16690 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16692 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16693 make the prototype extern "C" and add throw ().
16696 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16697 and pos non-negative and pos + len <= 32.
16698 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16699 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16700 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16703 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16704 as well as sizes not multiple of component size.
16707 * function.c (instantiate_expr): New function.
16708 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16709 walk its DECL_VALUE_EXPR with instantiate_expr.
16711 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16712 DW_OP_deref{,_size} if address isn't going to be added.
16714 2006-01-04 Ben Elliston <bje@au.ibm.com>
16716 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16717 * config/fp-bit.c: Likewise.
16719 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16721 * dominance.c: Add comment about why we use DFS numbering
16724 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16725 Richard Henderson <rth@redhat.com>
16727 Merge from gomp-branch:
16728 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16729 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16731 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16733 PR rtl-optimization/25578
16734 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16735 pass a parameter to simplify_shift_const if changing ASHIFTRT
16738 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16740 * builtins.c (get_builtin_sync_mem): New function.
16741 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16742 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16743 Call get_builtin_sync_mem to generate mem rtx.
16745 2006-01-03 Richard Guenther <rguenther@suse.de>
16748 * stmt.c (add_case_node): Make sure to clear overflow flags
16751 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16753 Merge from gomp-branch.
16754 * config/sparc/sync.md: New file.
16755 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16756 UNSPECV_LDSTUB): New constants.
16757 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16758 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16759 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16762 2006-01-03 Roger Sayle <roger@eyesopen.com>
16764 * combine.c (reg_subword_p): New predicate to test whether the
16765 destination of a set refers to a subword/piece of a register.
16766 (try_combine): Generalize the code to merge the setting of a
16767 pseudo to a constant followed by a set of a subword of that
16768 register to a constant.
16770 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16772 * basic-block.h (control_flow_graph): Change the type of
16773 x_label_to_block_map to VEC(basic_block,gc) *.
16774 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16775 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16777 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16778 VEC(basic_block,heap) *.
16779 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16780 ssa_prop_fini): Adjust the uses of cfg_blocks.
16782 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16784 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16786 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16787 hashing trees instead of a pointer hash.
16788 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16789 compare for MEM_EXPR.
16791 PR rtl-optimization/25130
16792 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16793 when comparing MEMs for GCSE
16795 2006-01-03 Ben Elliston <bje@au.ibm.com>
16797 * targhooks.h (default_decimal_float_supported_p): Declare.
16798 * targhooks.c (default_decimal_float_supported_p): Define.
16799 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16800 `default_decimal_float_supported_p'.
16801 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16803 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16805 * combine.c (apply_distributive_law <SUBREG>): Check
16806 TRULY_NOOP_TRUNCATION.
16808 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16810 * dwarf2out.c (have_switched_text_section): Delete.
16811 (have_multiple_function_sections): New.
16812 (have_location_lists): Make 'bool'.
16813 (add_AT_loc_list): Use 'true' not '1'.
16814 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16815 (output_loc_list): Use have_multiple_function_sections.
16816 (output_ranges): Likewise.
16817 (dwarf2out_begin_function): Set have_multiple_function_sections if
16819 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16820 Check function_section rather than DECL_SECTION_NAME.
16821 (dwarf2out_finish): Use have_multiple_function_sections.
16822 Don't clear have_location_lists.
16824 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16825 Jan Hubicka <jh@suse.cz>
16827 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16828 case of conditional jump jumping to the next instruction.
16829 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16830 cases of conditional jump jumping to the next instruction.
16832 2006-01-02 Jan Hubicka <jh@suse.cz>
16834 * i386.c (*_cost): Add COSTS_N_INSNS.
16835 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16837 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16840 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16842 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16844 * config/arm/arm.c (all_fpus): Fix comment typo.
16845 * config/darwin.c: Likewise.
16846 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16847 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16848 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16850 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16852 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16853 (rs6000_split_compare_and_swapqhi): New.
16854 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16855 (sync_compare_and_swapqhi_internal): New.
16856 * config/rs6000/rs6000-protos.h: Declare.