1 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5 i[34567]86-*-solaris2.1[0-9]*.
6 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
7 Define conditionally depending on TARGET_64BIT_DEFAULT.
8 (SPEC_32, SPEC_64): Define.
10 * doc/install.texi (--enable-targets=all): Document for x86-linux.
12 2006-10-29 Richard Guenther <rguenther@suse.de>
14 * config/i386/i386-protos.h (ix86_expand_round): Declare.
15 (ix86_expand_rounddf_32): Likewise.
16 * config/i386/i386.c (ix86_expand_round): New function expanding
17 round inline for SSE math and -fno-trapping-math and if not
19 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
20 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
21 round via ix86_expand_round.
23 2006-10-29 Richard Guenther <rguenther@suse.de>
25 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
26 (ix86_expand_floorceildf_32): Likewise.
27 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
28 static helper function.
29 (ix86_expand_floorceil): Expander for floor and ceil to SSE
31 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
32 * config/i386/i386.md (floordf2): Adjust to enable floor
33 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
34 -fno-trapping-math is enabled and if not optimizing for size.
35 (floorsf2, ceildf2, ceilsf2): Likewise.
36 * config/i386/sse.md (sse_maskcmpsf3): New insn.
37 (sse2_maskcmpdf3): Likewise.
39 2006-10-29 Richard Guenther <rguenther@suse.de>
41 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
42 rint in case -fno-trapping-math is enabled.
43 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
44 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
45 (ix86_expand_sse_fabs): Likewise.
46 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
47 * config/i386/i386.md (rintdf2): Enable for SSE math if
48 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
51 2006-10-29 Richard Guenther <rguenther@suse.de>
53 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
55 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
57 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
58 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
59 (lfloor_optab, lceil_optab): Adjust defines.
60 * builtins.c (expand_builtin_int_roundingfn): Adjust for
61 lfloor and lceil optabs now being conversion optabs.
62 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
63 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
64 New static helper function.
65 (ix86_expand_lfloorceil): New function to expand lfloor and
67 * config/i386/i386.md (lfloor<mode>2): Split into ...
68 (lfloorxf<mode>2): ... x87 variant
69 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
70 using ix86_expand_lfloorceil.
71 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
73 * doc/md.texi (lfloorMN, lceilMN): Document.
75 2006-10-29 Richard Sandiford <richard@codesourcery.com>
77 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
78 -mno-shared assembler option on mips targets.
79 * configure, config.in: Regenerate.
80 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
81 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
82 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
84 2006-10-29 Richard Sandiford <richard@codesourcery.com>
86 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
87 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
89 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
91 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
92 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
95 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
98 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
99 (fold_builtin_pow): Evaluate constant arguments at compile-time
101 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
102 (do_mpfr_ckconv): New helper function.
103 (do_mpfr_arg1): Use do_mpfr_ckconv.
106 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
109 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
110 (-fdump-rtl-sched): Rename to ..
111 (-fdump-rtl-sched1): here. Also fix file extension number.
113 2006-10-28 Richard Guenther <rguenther@suse.de>
115 * fold-const.c (maybe_canonicalize_comparison): Fix code
118 2006-10-28 Uros Bizjak <uros@kss-loka.si>
120 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
121 (NON_QI_REG_P): Use IN_RANGE.
122 (REX_INT_REGNO_P): Use IN_RANGE.
123 (FP_REGNO_P): Use IN_RANGE.
124 (SSE_REGNO_P): Use IN_RANGE.
125 (REX_SSE_REGNO_P): Use IN_RANGE.
126 (MMX_REGNO_P): Use IN_RANGE.
127 (STACK_REGNO_P): New macro.
128 (STACK_REG_P): Use STACK_REGNO_P.
129 (NON_STACK_REG_P): Use STACK_REGNO_P.
130 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
131 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
132 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
133 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
134 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
136 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
138 * except.h (output_function_exception_table): Add 'const char*' param.
139 * except.c (switch_to_exception_section): Add 'const char*' param.
140 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
141 and flag_function_sections is set, use a function-specific section.
142 (output_function_exception_table): Add 'const char*' param.
143 Adjust call to switch_to_exception_section.
144 * final.c (rest_of_handle_final): Adjust calls to
145 output_function_exception_table.
146 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
147 * config.in: Regenerate.
148 * configure: Likewise.
150 2006-10-28 Richard Guenther <rguenther@suse.de>
153 * fold-const.c (maybe_canonicalize_comparison_1): Helper
154 for maybe_canonicalize_comparison.
155 (maybe_canonicalize_comparison): New function for canonicalizing
157 (fold_comparison): Call it to canonicalize comparisons with
160 2006-10-28 Richard Guenther <rguenther@suse.de>
163 * builtins.c (expand_builtin_int_roundingfn_2): Expand
164 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
165 (expand_builtin): Adjust likewise.
166 * genopinit.c (optabs[]): Add lround optab.
167 * optabs.c (init_optabs): Initialize lround_optab.
168 * optabs.h (enum convert_optab_index): Add COI_lround.
169 (lround_optab): Define.
170 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
171 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
173 (ix86_expand_lround): New function.
174 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
176 * doc/md.texi (lroundMN2): Document.
178 2006-10-28 Uros Bizjak <uros@kss-loka.si>
181 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
182 argument to HOST_WIDE_INT. Update function prototype.
183 (round_frame_size): Change return type to HOST_WIDE_INT. Change
184 "size" argument to HOST_WIDE_INT. Update function prototype.
186 2006-10-28 Uros Bizjak <uros@kss-loka.si>
188 * config/i386/i386.c (output_387_ffreep): Create output from a
189 template string for !HAVE_AS_IX86_FFREEP.
191 2006-10-27 Eric Christopher <echristo@apple.com>
193 * config/darwin.c: Fix formatting and grammar.
195 2006-10-27 Jan Hubicka <jh@suse.cz>
197 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
198 to be thrown away soon when IGNORE is set.
199 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
200 indicating when return value shall not be computed.
201 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
203 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
205 * config/i386/i386.h (TARGET_GEODE):
206 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
207 (TARGET_CPU_DEFAULT_geode): New macro.
208 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
209 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
210 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
211 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
212 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
214 (TARGET_CPU_DEFAULT_NAMES): Add geode.
215 (processor_type): Add PROCESSOR_GEODE.
217 * config/i386/i386.md: Include geode.md.
220 * config/i386/i386.c (geode_cost): New initialized global
222 (m_GEODE, m_K6_GEODE): New macros.
223 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
224 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
225 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
226 x86_schedule): Use m_K6_GEODE instead of m_K6.
227 (x86_movx, x86_cmove): Set up m_GEODE.
228 (x86_integer_DFmode_moves): Clear m_GEODE.
229 (processor_target_table): Add entry for geode.
230 (processor_alias_table): Ditto.
232 * config/i386/geode.md: New file.
234 * doc/invoke.texi: Add entry about geode processor.
236 2006-10-27 Mike Stump <mrs@apple.com>
238 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
239 __DYNAMIC__ from here back to ...
240 * config/darwin.h (CPP_SPEC): ... here.
242 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
243 Nathan Sidwell <nathan@codesourcery.com>
245 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
246 when choosing the minimum heapsize.
248 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
250 * gcc/unwind-dw2.h: Move cfa-related variables into
251 struct frame_state_reg_info to ensure that the CFA is properly
252 handled when executing DW_CFA_{remember,restore}_state.
253 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
254 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
255 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
256 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
257 gcc/config/rs6000/linux-unwind.h,
258 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
259 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
260 Modify to use new cfa_* fields.
262 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
264 * config/s390/s390.c (s390_init_frame_layout): Check positive
267 2006-10-26 Ben Elliston <bje@au.ibm.com>
269 * gimplify.c (get_name): Remove extraneous break.
270 (gimplify_omp_for): Initialise ret with GS_OK.
272 2006-10-25 Steve Ellcey <sje@cup.hp.com>
274 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
275 Add unix98.o to link line.
277 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
280 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
281 Calculate compile-time constants using MPFR.
282 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
283 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
285 2006-10-25 Bob Wilson <bob.wilson@acm.org>
287 * config/xtensa/lib2funcs.S: Use C-style comments.
289 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
291 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
292 (file_table_relative_p): Likewise.
293 (dwarf2out_finish): Likewise.
294 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
296 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
298 * tree-ssa-structalias.c (intra_create_variable_infos):
299 Don't recreate nonlocal_all if it already exists.
301 2006-10-25 Richard Guenther <rguenther@suse.de>
304 * optabs.h (enum optab_index): Remove OTI_lrint.
305 (enum convert_optab_index): Add COI_lrint.
306 (lrint_optab): Adjust.
307 (expand_sfix_optab): Declare.
308 * optabs.c (expand_sfix_optab): New function.
309 (init_optabs): Init lrint_optab as conversion optab.
310 * genopinit.c (lrint_optab): Change to a conversion optab.
311 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
312 expansion via conversion optab.
313 * config/i386/i386.md (*fistdi2_1): Remove
314 flag_unsafe_math_optimizations guard.
315 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
316 fist<mode>2_with_temp): Likewise.
317 (lrint<mode>2): Split into...
318 (lrintxf<mode>2): ... x87 part
319 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
320 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
321 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
322 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
323 * doc/md.texi (lrintMN2): Document.
325 2006-10-25 Uros Bizjak <uros@kss-loka.si>
328 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
329 Use inc and dec instructions for TARGET_USE_INCDEC.
330 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
331 ("sync_double_compare_and_swap<mode>"): Likewise.
332 ("*sync_double_compare_and_swapdi_pic"): Likewise.
333 ("*sync_compare_and_swap_cc<mode>"): Likewise.
334 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
335 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
336 ("sync_old_add<mode>"): Likewise.
337 ("sync_lock_test_and_set<mode>"): Likewise.
338 ("sync_lock_test_and_set<mode>"): Likewise.
339 ("sync_add<mode>"): Likewise.
340 ("sync_sub<mode>"): Likewise.
341 ("sync_ior<mode>"): Likewise.
342 ("sync_and<mode>"): Likewise.
343 ("sync_xor<mode>"): Likewise.
345 2006-10-25 Uros Bizjak <uros@kss-loka.si>
347 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
348 (remainder_optab): Define corresponding macro.
349 (drem_optab): Remove.
350 * optabs.c (init_optabs): Initialize remainder_optab. Remove
351 drem_optab initialization.
352 * genopinit.c (optabs): Implement remainder_optab using
353 remainder?f3 patterns. Remove drem_optab.
354 * builtins.c (expand_builtin_mathfn_2): Handle
355 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
356 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
357 expand_builtin_mathfn_2.
359 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
360 depend on flag_unsafe_math_optimizations.
362 * config/i386/i386.md ("remaindersf3", "remainderdf3")
363 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
364 Do not depend on flag_unsafe_math_optimizations. Use
365 truncxf?f expander instead of truncxf?f_i387_noop.
367 ("fpremxf4", "fprem1xf4"): Do not depend on
368 flag_unsafe_math_optimizations.
369 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
370 flag_unsafe_math_optimizations. Use truncxf?f expander
371 instead of truncxf?f_i387_noop.
373 * doc/md.texi (fmod, remainder): Document standard named pattern.
375 2006-10-24 Richard Sandiford <richard@codesourcery.com>
376 David Daney <ddaney@avtrex.com>
379 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
381 2006-10-25 Ben Elliston <bje@au.ibm.com>
383 * doc/extend.texi (Variable Attributes): Typo fix.
385 2006-10-24 Uros Bizjak <uros@kss-loka.si>
387 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
388 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
389 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
390 (FRAME_POINTER_REGNUM): Update register number to 21.
391 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
392 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
394 * config/i386/i386.c (regclass_map): Add fpcr entry.
395 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
397 (print_reg): Assert REGNO (x) != FPCR_REG.
399 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
400 (DIRFLAG_REG): Renumber.
401 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
402 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
403 (sse_prologue_save, *sse_prologue_save_insn): Renumber
404 hardcoded SSE register numbers.
406 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
407 hardcoded MMX register numbers.
409 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
412 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
413 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
415 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
416 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
417 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
418 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
420 2006-10-24 Richard Guenther <rguenther@suse.de>
423 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
424 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
425 for deciding optimizations in consistency with fold-const.c
426 (fold_builtin_unordered_cmp): Likewise.
428 2006-10-24 Richard Guenther <rguenther@suse.de>
430 * builtins.c (fold_builtin_floor): Fold floor (x) where
431 x is nonnegative to trunc (x).
432 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
433 nonnegative to FIX_TRUNC_EXPR.
435 2006-10-24 Richard Guenther <rguenther@suse.de>
437 PR tree-optimization/29567
438 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
439 for TRUTH_NOT_EXPR. Clarify comments.
441 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
444 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
445 at compile-time using MPFR. Change parameter VALUE to FUNC,
447 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
448 for overflow and underflow at all times and avoid folding in
451 2006-10-24 Ben Elliston <bje@au.ibm.com>
453 * reload1.c: Formatting fixes.
455 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
457 PR tree-optimization/14784
458 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
459 * tree-ssa-structalias.c (get_constraint_for,
460 intra_create_variable_infos): Set is_heapvar.
461 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
462 non-heapvar pointer variables specially.
464 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
467 * builtins.c (fold_builtin_sin, fold_builtin_cos,
468 fold_builtin_tan): Fold all constant arguments. Take a "type"
469 argument as necessary.
471 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
473 2006-10-23 Bob Wilson <bob.wilson@acm.org>
475 * config/xtensa/lib1funcs.asm: Use C-style comments.
477 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
479 * tree.c (local_define_builtin): Replace calls to
480 lang_hooks.builtin_function with add_builtin_function.
481 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
483 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
485 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
486 common code to add_builtin_function.
487 * langhooks.c (add_builtin_function): New function.
488 (lhd_builtin_function): New function.
489 * langhooks.h (struct lang_hooks): Change the signature of
491 (add_builtin_function): New function.
492 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
493 calls to lang_hooks.builtin_function with add_builtin_function.
494 * c-common.c (decl_builtin_1): Replace calls to
495 lang_hooks.builtin_function with add_builtin_function.
496 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
497 lang_hooks.builtin_function with add_builtin_function.
498 * config/frv/frv.c (def_builtin): Replace calls to
499 lang_hooks.builtin_function with add_builtin_function.
500 * config/s390/s390.c (s390_init_builtins): Replace calls to
501 lang_hooks.builtin_function with add_builtin_function.
502 * config/sparc/sparc.c (def_builtin): Replace calls to
503 lang_hooks.builtin_function with add_builtin_function.
504 * config/i386/i386.c (def_builtin): Replace calls to
505 lang_hooks.builtin_function with add_builtin_function.
506 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
507 lang_hooks.builtin_function with add_builtin_function.
508 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
509 lang_hooks.builtin_function with add_builtin_function.
510 * config/stormy16/stormy16.c (xstormy16_init_builtins):
511 Replace calls to lang_hooks.builtin_function with
512 add_builtin_function.
513 * config/iq2000/iq2000.c (def_builtin):
514 Replace calls to lang_hooks.builtin_function with
515 add_builtin_function.
516 * config/ia64/ia64.c (def_builtin): Replace calls to
517 lang_hooks.builtin_function with add_builtin_function.
518 * config/rs6000/rs6000.c (def_builtin): Replace calls to
519 lang_hooks.builtin_function with add_builtin_function.
520 (altivec_init_builtins): Replace calls to
521 lang_hooks.builtin_function with add_builtin_function.
522 * config/arm/arm.c (def_mbuiltin): Replace calls to
523 lang_hooks.builtin_function with add_builtin_function.
524 (arm_init_tls_builtins): Replace calls to
525 lang_hooks.builtin_function with add_builtin_function.
526 * config/mips/mips.c (mips_init_builtins): Replace calls to
527 lang_hooks.builtin_function with add_builtin_function.
528 * config/bfin/bfin.c (def_builtin): Replace calls to
529 lang_hooks.builtin_function with add_builtin_function.
530 * langhooks-def.h (lhd_builtin_function): New function.
531 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
533 2006-10-23 Jakub Jelinek <jakub@redhat.com>
535 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
536 BUILT_IN_STRNCAT_CHK.
538 2006-10-23 Jan Hubicka <jh@suse.cz>
540 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
541 don't do conversion from memmove to memcpy here.
542 (expand_builtin_bcopy, expand_builtin): Update call of
543 expand_builtin_memmove.
544 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
546 2006-10-23 Paul Brook <paul@codesourcery.com>
548 * stor-layout.c (start_record_layout): maximum_field_alignment
549 overrides STRUCTURE_SIZE_BOUNDARY.
551 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
553 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
554 nonlocal function symbols if flag_pic.
556 2006-10-23 Richard Guenther <rguenther@suse.de>
560 * builtins.c (fold_binary): Remove checks for flag_wrapv
561 and flag_trapv where negate_expr_p covers these cases.
563 2006-10-23 Richard Guenther <rguenther@suse.de>
566 * fold-const.c (fold_plusminus_mult_expr): Check exact power
567 of two on the absolute value.
568 (fold_binary): Fold x * -C to -x * C if x is easily negatable
569 and negating -C does not overflow.
571 2006-10-23 Richard Guenther <rguenther@suse.de>
574 * convert.c (convert_to_real): Fold (float)-x to -(float)x
575 only if not flag_rounding_math.
577 2006-10-22 Richard Sandiford <richard@codesourcery.com>
578 Kaz Kojima <kkojima@gcc.gnu.org>
581 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
582 SImode memory reference for the source of a movua.
583 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
584 (movua): Use an unspec instead of sign_extract. Expect the source
585 to have mode BLKmode.
586 (extv, insv): Use a BLKmode rather than SImode memory reference
587 for the source of a movua.
589 2006-10-22 Jeff Law <law@redhat.com>
590 Richard Guenther <rguenther@suse.de>
592 PR tree-optimization/15911
593 * tree-vrp.c (extract_code_and_val_from_cond): New function.
594 (register_edge_assert_for_1): Likewise.
595 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
596 (find_conditional_asserts): Adjust for new function signature.
597 (find_assert_locations): Likewise.
599 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
601 * config/i386/tmmintrin.h: Remove the duplicated content.
603 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
605 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
606 (x86_64-*-*): Likewise.
608 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
609 (override_options): Check SSSE3.
610 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
611 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
612 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
613 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
614 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
615 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
616 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
617 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
618 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
619 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
620 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
621 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
622 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
623 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
624 IX86_BUILTIN_PABSD128.
625 (bdesc_2arg): Add SSSE3.
626 (bdesc_1arg): Likewise.
627 (ix86_init_mmx_sse_builtins): Support SSSE3.
628 (ix86_expand_builtin): Likewise.
629 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
631 * config/i386/i386.md (UNSPEC_PSHUFB): New.
632 (UNSPEC_PSIGN): Likewise.
633 (UNSPEC_PALIGNR): Likewise.
634 Include mmx.md before sse.md.
636 * config/i386/i386.opt: Add -mssse3.
638 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
639 (ssse3_phaddwv4hi3): Likewise.
640 (ssse3_phadddv4si3): Likewise.
641 (ssse3_phadddv2si3): Likewise.
642 (ssse3_phaddswv8hi3): Likewise.
643 (ssse3_phaddswv4hi3): Likewise.
644 (ssse3_phsubwv8hi3): Likewise.
645 (ssse3_phsubwv4hi3): Likewise.
646 (ssse3_phsubdv4si3): Likewise.
647 (ssse3_phsubdv2si3): Likewise.
648 (ssse3_phsubswv8hi3): Likewise.
649 (ssse3_phsubswv4hi3): Likewise.
650 (ssse3_pmaddubswv8hi3): Likewise.
651 (ssse3_pmaddubswv4hi3): Likewise.
652 (ssse3_pmulhrswv8hi3): Likewise.
653 (ssse3_pmulhrswv4hi3): Likewise.
654 (ssse3_pshufbv16qi3): Likewise.
655 (ssse3_pshufbv8qi3): Likewise.
656 (ssse3_psign<mode>3): Likewise.
657 (ssse3_psign<mode>3): Likewise.
658 (ssse3_palignrti): Likewise.
659 (ssse3_palignrdi): Likewise.
660 (abs<mode>2): Likewise.
661 (abs<mode>2): Likewise.
663 * config/i386/tmmintrin.h: New file.
665 * doc/extend.texi: Document SSSE3 built-in functions.
667 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
669 2006-10-22 Ira Rosen <irar@il.ibm.com>
671 * tree-vect-transform.c (vectorizable_load): Use the type of the
672 return value of the mask_for_load builtin to create realign_load
675 2006-10-22 Richard Sandiford <richard@codesourcery.com>
677 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
680 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
682 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
683 (UNSPEC_LDDQU): This.
684 * config/i386/sse.md (sse3_lddqu): Updated.
686 2006-10-21 Richard Guenther <rguenther@suse.de>
688 * builtins.c (expand_builtin_int_roundingfn_2): New function.
689 (expand_builtin): Use it to expand lrint instead of
690 expand_builtin_mathfn.
692 2006-10-21 Uros Bizjak <uros@kss-loka.si>
695 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
696 flag_unsafe_math_optimizations is set.
698 2006-10-21 Uros Bizjak <uros@kss-loka.si>
701 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
702 patterns to use memory input operand in x87->mem->XMM
703 reload sequences. Skip transformation for TARGET_K8.
705 2006-10-21 Uros Bizjak <uros@kss-loka.si>
707 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
708 force operand1 to register if both operands are memory operands.
709 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
710 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
711 if both operands are memory operands.
712 (truncdfsf2): Do not force operand1 to register if both operands
715 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
717 * Makefile.in (LIBS): Add $(GMPLIBS).
718 * doc/install.texi: Update GMP and MPFR requirements.
719 * doc/sourcebuild.texi (need_gmp): Delete.
721 2006-10-21 Richard Guenther <rguenther@suse.de>
723 PR tree-optimization/3511
724 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
725 got new invariant arguments during PHI translation.
727 2006-10-21 Richard Guenther <rguenther@suse.de>
730 * fold-const.c (fold_comparison): Fold signed comparisons
731 of the form X +- C1 CMP Y +- C2.
733 2006-10-21 Richard Guenther <rguenther@suse.de>
736 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
737 if flag_unsafe_math_optimizations is specified. We have
738 flag_finite_math_only for that.
739 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
740 or flag_unsafe_math_optimizations.
742 2006-10-21 Richard Guenther <rguenther@suse.de>
744 * builtins.c (fold_builtin_classify): Fix typo.
746 2006-10-21 Richard Guenther <rguenther@suse.de>
749 * simplify-rtx.c (simplify_const_relational_operation):
750 Do not constant-fold ORDERED and UNORDERED for
751 flag_unsafe_math_optimizations but only we do not need to
752 honor NaNs for the given mode.
754 2006-10-21 Richard Guenther <rguenther@suse.de>
757 * config/i386/i386.c (classify_argument): Remove redundant
758 walking of the BINFOs.
759 (contains_128bit_aligned_vector_p): Likewise.
761 2006-10-20 Mark Mitchell <mark@codesourcery.com>
763 * BASE-VER: Set to 4.3.0.
765 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
767 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
768 (tree_decl_with_vis): Remove artificial_pta_var flag.
769 * tree-flow.h (referenced_var_check_and_insert): Expose.
770 (nonlocal_all): New prototype.
771 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
772 (nonlocal_all): Make global.
773 (nonlocal_lookup): Remove.
774 (nonlocal_insert): Ditto.
775 (create_nonlocal_var): Do not call nonlocal_insert.
776 (get_nonlocal_id_for_type): Remove.
777 (find_global_initializers): Mark new vars we find for renaming.
778 (intra_create_variable_infos): Only create one nonlocal.
779 (expand_nonlocal_solutions): Remove.
780 (compute_points_to_sets): Don't call it.
781 (ipa_pta_execute): Ditto.
782 (init_alias_heapvars): Don't create nonlocal_for_type.
783 (delete_alias_heapvars): Don't remove it.
784 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
787 2006-10-19 Brooks Moses <bmoses@stanford.edu>
789 * doc/install.texi (Downloading GCC): Clarify mention of
790 Fortran in the "full distribution" description.
792 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
794 Fix PR tree-optimization/28778
795 Fix PR tree-optimization/29156
796 Fix PR tree-optimization/29415
797 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
798 (tree_decl_with_vis): Add artificial_pta_var flag.
799 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
801 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
802 (nonlocal_all): Ditto.
803 (struct variable_info): Add directly_dereferenced member.
804 (var_escaped_vars): New variable.
805 (escaped_vars_tree): Ditto.
806 (escaped_vars_id): Ditto.
807 (nonlocal_vars_id): Ditto.
808 (new_var_info): Set directly_dereferenced.
809 (graph_size): New variable
810 (build_constraint_graph): Use graph_size.
811 (solve_graph): Don't process constraints that cannot change the
812 solution, don't try to propagate an empty solution to our
814 (process_constraint): Set directly_dereferenced.
815 (could_have_pointers): New function.
816 (get_constraint_for_component_ref): Don't process STRING_CST.
817 (nonlocal_lookup): New function.
818 (nonlocal_insert): Ditto.
819 (create_nonlocal_var): Ditto.
820 (get_nonlocal_id_for_type): Ditto.
821 (get_constraint_for): Allow results vector to be empty in the case
823 Handle results of calls properly.
824 (update_alias_info): Update alias info stats on number and type of
826 (find_func_aliases): Use could_have_pointers.
827 (make_constraint_from_escaped): Renamed from
828 make_constraint_to_anything, and changed to make constraints from
830 (make_constraint_to_escaped): New function.
831 (find_global_initializers): Ditto.
832 (create_variable_info_for): Make constraint from escaped to any
833 global variable, and from any global variable to the set of
835 (intra_create_variable_infos): Deal with escaped instead of
836 pointing to anything.
837 (set_uids_in_ptset): Do type pruning on directly dereferenced
839 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
840 (init_base_vars): Fix comment, and initialize escaped_vars.
841 (need_to_solve): Removed.
842 (find_escape_constraints): New function.
843 (expand_nonlocal_solutions): Ditto.
844 (compute_points_to_sets): Call find_escape_constraints and
845 expand_nonlocal_solutions.
846 (delete_points_to_sets): Don't fall off the end of the graph.
847 (init_alias_heapvars): Initialize nonlocal_for_type and
849 (delete_alias_heapvars): Free nonlocal_for_type and null out
852 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
854 * fold-const.c (add_double): Rename to add_double_with_sign.
855 Add 'unsigned_p' parameter and take it into account for the overflow.
856 (mul_double): Rename to mul_double_with_sign.
857 Add 'unsigned_p' parameter and take it into account for the overflow.
858 (fold_div_compare): Call add_double_with_sign instead of add_double
859 and mul_double_with_sign instead of mul_double, passing them the
860 unsignedness of the type.
861 * tree.h (add_double): Macroize.
862 (add_double_with_sign): New prototype.
863 (mul_double): Macroize.
864 (mul_double_with_sign): New prototype.
866 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
868 * config/score/crti.asm: New file.
869 * config/score/crtn.asm: New file.
870 * config/score/elf.h: New file.
871 * config/score/mac.md: New file.
872 * config/score/misc.md: New file.
873 * config/score/mul-div.S: New file.
874 * config/score/predicates.md: New file.
875 * config/score/score7.md: New file.
876 * config/score/score.c: New file.
877 * config/score/score-conv.h: New file.
878 * config/score/score.h: New file.
879 * config/score/score.md: New file.
880 * config/score/score-mdaux.c: New file.
881 * config/score/score-mdaux.h: New file.
882 * config/score/score-modes.def: New file.
883 * config/score/score.opt: New file.
884 * config/score/score-protos.h: New file.
885 * config/score/score-version.h: New file.
886 * config/score/t-score-elf: New file.
887 * config.gcc: Add score*-*-* configurations(Update before).
888 * doc/invoke.texi (Score Options): New section.
889 * doc/md.texi (Score family): New section to document constraints.
891 2006-10-19 Nick Clifton <nickc@redhat.com>
893 * config/arm/arm.c: Fix spelling typo.
895 2006-10-18 Tom Tromey <tromey@redhat.com>
897 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
899 2006-10-18 Jan Hubicka <jh@suse.cz>
902 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
905 2006-10-18 Marcin Dalecki <martin@dalecki.de>
907 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
908 TSI_SAME_STMT, since that's the desired entity.
910 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
912 * config/s390/contraints.md: New file.
913 * config/s390/s390-protos.h (s390_mem_constraint,
914 s390_O_constraint_str, s390_N_constraint_str,
915 s390_float_const_zero_p): Function prototypes added.
916 * config/s390/s390.c (s390_extra_constraint_str,
917 s390_const_double_ok_for_constraint_p,
918 s390_const_ok_for_constraint_p): Functions removed.
919 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
920 s390_float_const_zero_p): New functions.
921 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
922 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
923 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
924 Macro definitions removed.
925 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
926 s390_extra_constraint_str): Functions removed.
928 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
929 Richard Sandiford <richard@codesourcery.com>
932 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
933 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
935 2006-10-16 Geoffrey Keating <geoffk@apple.com>
937 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
938 (DWARF2_FRAME_REG_OUT): Likewise.
939 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
940 (DWARF2_FRAME_REG_OUT): Likewise.
942 2006-10-17 Paul Brook <paul@codesourcery.com>
944 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
946 2006-10-16 Brooks Moses <bmoses@stanford.edu>
948 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
949 Standardize on "GNU Fortran" as the official name of the Fortran
952 2006-10-16 Mike Stump <mrs@apple.com>
954 * doc/invoke.texi (Darwin Options): Document -mkernel.
955 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
957 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
958 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
959 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
960 (OS_MISSING_ALTIVEC): Add.
961 * config/i386/i386.c (override_options): Add
962 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
963 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
964 -mkernel, -static or -mdynamic-no-pic is given.
965 (C_COMMON_OVERRIDE_OPTIONS): Add.
966 * config/darwin.opt (fapple-kext): Add.
968 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
969 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
971 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
972 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
973 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
974 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
975 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
977 (flag_apple_kext): Add.
978 (TARGET_KEXTABI): Add.
979 * config/darwin.c (darwin_handle_kext_attribute): Add.
980 (DARWIN_VTABLE_P): Add.
981 (darwin_binds_local_p): Add partial support for rebinding vtables
983 (darwin_kextabi_p): Add.
984 (darwin_override_options): Add.
985 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
986 (darwin_kextabi_p): Add.
987 (darwin_override_options): Add.
988 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
989 __DYNAMIC__ and __STATIC__ here.
991 2006-10-16 Brooks Moses <bmoses@stanford.edu>
993 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
994 Added mention of "make pdf" target, and Texinfo requirements for
997 2006-10-16 DJ Delorie <dj@redhat.com>
999 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1000 into the GOT in case we need a subreg of the address.
1002 2006-10-16 Richard Guenther <rguenther@suse.de>
1005 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1006 SSE builtin documentation. Document SSE2 builtins.
1008 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1010 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1011 symbol in the output file for non-shared links when -nostdlib or
1012 -nodefaultlibs isn't specified.
1014 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1015 posix thread support.
1017 2006-10-15 Jan Hubicka <jh@suse.cz>
1020 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1021 declared always_inline even when not inlining.
1023 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1024 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1025 Andrew Pinski <pinskia@gmail.com>
1028 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1030 2006-10-15 Jan Hubicka <jh@suse.cz>
1031 Richard Guenther <rguenther@suse.de>
1034 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1035 process_function_and_variable_attributes on all variables, including
1036 those discovered during cgraph construction phase.
1038 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1040 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1042 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1044 * config/i386/athlon.md (athlon_fist): Add fisttp.
1046 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1047 Ian Lance Taylor <ian@airs.com>
1050 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1051 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1054 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1056 * config/score/score.c, config/score/score.h: Fix comment
1059 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1062 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1065 2006-10-13 Eric Christopher <echristo@apple.com>
1067 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1069 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1072 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1073 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1074 alignment supported by 32-bit ELF.
1076 2006-10-13 Eric Christopher <echristo@apple.com>
1078 * config/darwin.c (darwin_emit_unwind_label): Strip
1079 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1081 2006-10-13 Richard Guenther <rguenther@suse.de>
1083 PR tree-optimization/29446
1084 * tree-vrp.c (fix_equivalence_set): Remove.
1085 (extract_range_from_assert): Do not call fix_equivalence_set.
1086 (debug_value_range): Print a newline.
1087 (compare_name_with_value): For equivalence sets with
1088 inconsistent value ranges conservatively bail out.
1089 (compare_names): Likewise.
1091 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1093 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1094 and MPFR for gfortran.
1096 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1098 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1099 alignment supported by 32-bit ELF.
1101 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1105 * c-typeck.c (digest_init): Always allow initializing vectors
1106 that have static storage duration with compound literals.
1107 * tree.c (build_type_attribute_qual_variant): New, based on
1108 build_type_attribute_variant.
1109 (build_type_attribute_variant): Rewrite using the former.
1110 (make_vector_type): Use build_type_attribute_qual_variant to build
1111 type variants. Use type_hash_canon on the others.
1113 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1114 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1116 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1118 2006-10-12 Jan Hubicka <jh@suse.cz>
1121 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1122 current_function_decl is set but current_function_scope is not.
1124 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1126 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1127 emit_insn to emit eh_return_internal instruction.
1128 (eh_return_internal): Explicitly set pc.
1130 2006-10-11 Richard Guenther <rguenther@suse.de>
1132 PR tree-optimization/28230
1133 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1134 to the correct place.
1136 2006-10-11 Richard Guenther <rguenther@suse.de>
1139 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1142 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1144 * configure.ac: Added pdf to "Make-hooks"
1145 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1146 targets and *.pdf file patterns in cleanup targets.
1147 * configure: Regenerated.
1149 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1151 * config/avr/predicates.md: New file.
1152 * config/avr/avr.md: Include it.
1153 (REG_SP): New constant.
1154 (peepholes): Use predicates.
1155 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1156 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1157 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1159 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1161 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1164 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1167 * builtins.c (var_decl_component_p): New function.
1168 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1169 single entry optimization to variables and components thereof.
1171 2006-10-10 Richard Guenther <rguenther@suse.de>
1173 PR rtl-optimization/29323
1174 * except.c (set_nothrow_function_flags): For functions
1175 that do not bind local bail out early.
1177 2006-10-10 Ben Elliston <bje@au.ibm.com>
1179 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1182 2006-10-09 Richard Henderson <rth@redhat.com>
1184 Revert emutls patch.
1186 2006-10-09 Richard Guenther <rguenther@suse.de>
1189 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1192 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1195 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1196 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1197 * configure: Regenerate.
1198 * config.in: Regenerate.
1200 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1202 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1204 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1206 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1207 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1208 Remove stray newline.
1210 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1212 * config/mips/mips.c (mips_classify_symbol): Do not return
1213 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1214 (mips_in_small_data_p): Tweak comments.
1216 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1218 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1220 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1222 * gimplify.c, sched-int.h: Fix comment typos.
1224 * sched-int.h: Fix comment typos.
1226 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1228 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1230 * sched-ebb.c (begin_schedule_ready): Use them.
1231 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1232 add_to_speculative_block, create_check_block_twin, speculate_insn,
1233 fix_jump_move, move_block_after_check): Ditto.
1234 * sched-rgn.c (new_ready): Ditto.
1236 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1238 PR rtl-optimization/29128
1239 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1240 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1241 allow interblock movement of speculation checks.
1243 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1246 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1247 casted to integer type.
1248 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1249 if they are significantly more expensive than [reg + index] ones.
1251 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1253 PR tree-optimization/29330
1254 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1255 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1256 on newly allocated ddrs.
1257 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1258 to VEC (loop_p, heap) pointer.
1259 (compute_data_dependences_for_loop): Adjust caller.
1260 (free_dependence_relations): Free DDR_LOOP_NEST.
1262 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1263 free DEPENDENCE_RELATIONS and DATAREFS.
1266 * builtins.c (expand_builtin_sync_operation,
1267 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1268 Use convert_to_mode to handle promoted arguments.
1270 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1272 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1274 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1276 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1278 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1280 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1281 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1282 Use <modeconstraint> instead of "r" as operand 1 constraint.
1284 2006-10-06 Olivier Hainque <hainque@adacore.com>
1286 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1287 Don't recurse on the pointed-to type.
1288 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1289 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1290 types with components of variable size.
1292 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1294 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1296 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1298 PR tree-optimization/29290
1299 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1303 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1304 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1307 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1308 the number of vector elements fill the rest with zeros.
1310 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1312 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1313 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1316 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1318 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1319 unnamed pattern into subsi3. Use correct constraints/predicates.
1320 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1321 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1323 2006-10-05 Ira Rosen <irar@il.ibm.com>
1325 * doc/loop.texi: Add data references analysis description.
1327 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1329 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1331 2006-10-04 Richard Henderson <rth@redhat.com>
1332 Jakub Jelinek <jakub@redhat.com>
1334 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1335 * builtin-types.def (BT_WORD): Make unsigned.
1336 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1337 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1338 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1339 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1340 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1341 * cgraph.c (decide_is_variable_needed): Look at force_output.
1342 Recurse for emulated tls.
1343 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1344 checks redundant with decide_is_variable_needed.
1345 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1346 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1348 * expr.c (emutls_var_address): New.
1349 (expand_expr_real_1): Expand emulated tls.
1350 (expand_expr_addr_expr_1): Likewise.
1351 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1352 * output.h (emutls_finish): Declare.
1353 * toplev.c (compile_file): Call it.
1354 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1355 address before wrapping in CONST.
1356 * varasm.c (emutls_htab, emutls_object_type): New.
1357 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1358 (get_emutls_object_name, get_emutls_object_type): New.
1359 (get_emutls_init_templ_addr, emutls_decl): New.
1360 (emutls_common_1, emutls_finish): New.
1361 (assemble_variable): When emulating tls, swap decls; generate
1362 constructor for the emutls objects.
1363 (do_assemble_alias): When emulating tls, swap decl and target name.
1364 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1366 * emutls.c: New file.
1367 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1368 tls_object for real tls.
1370 2006-10-04 Zack Weinberg <zackw@panix.com>
1372 Fix bug in constraint-check generator, reported by Rask Ingemann
1374 * genpreds.c (add_constraint): Don't remove anything from the
1376 (write_tm_constrs_h): Detect whether "op" argument is used, and
1377 mark it ARG_UNUSED if it isn't.
1378 (write_insn_const_int_ok_for_constraint): Skip the part of the
1379 expression that would test whether "op" (which is not available
1380 here) is a CONST_INT.
1382 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1385 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1387 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1389 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1390 current Leopard versions.
1391 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1393 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1395 * doc/install.texi: Fix typos.
1397 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1399 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1400 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1401 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1403 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1405 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1406 arg to be struct mach_header_64* instead.
1408 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1411 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1412 side effects after the outer expression's post side effects.
1414 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1416 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1417 comments to reflect actual behavior and relationship between
1418 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1420 * doc/c-tree.texi (Working with declarations): Fix documentation
1421 of FIELD_DECL likewise.
1423 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1426 * doc/extend.texi: Add used variable attribute description.
1428 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1431 * c.opt (Woverride-init): New.
1432 * c-opts.c (c_common_post_options): Default warn_override_init to
1434 * c-typeck.c (add_pending_init, output_init_element): Warn for
1435 overriding initializers without side effects.
1436 * doc/invoke.texi (-Woverride-init): Document.
1439 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1441 PR rtl-optimization/28096
1442 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1443 assignment has already been used as a destination earlier in the block.
1445 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1447 * builtins.c (expand_builtin_setjmp): Delete.
1448 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1449 <BUILT_IN_SETJMP_SETUP>: New case.
1450 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1451 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1452 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1453 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1454 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1455 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1456 (lower_function_body): Initialize it to false. If it is set to true
1457 at the end of the processing, emit the setjmp dispatcher.
1458 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1459 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1460 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1461 on the rhs of the assignment.
1462 (lower_builtin_setjmp): New function.
1463 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1464 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1465 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1466 to detect calls that can go to non-local labels. Use specific
1467 helper to create the abnormal edges associated with them.
1468 <MODIFY_EXPR>: Likewise.
1469 (make_abnormal_goto_edges): New function extracted from...
1470 (make_goto_expr_edges): ...here. Call it for computed gotos.
1471 (simple_goto_p): Minor tweak.
1472 (tree_can_make_abnormal_goto): New predicate.
1473 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1474 (tree_purge_dead_abnormal_call_edges): New function.
1475 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1476 (tree_purge_dead_abnormal_call_edges): Likewise.
1477 (make_abnormal_goto_edges): Likewise.
1478 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1479 Purge all dead abnormal edges if the call was in the last statement.
1480 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1481 (execute_fixup_cfg): If there are non-local labels in the function,
1482 scan the basic blocks and split them at calls that can go to non-local
1483 labels or add missing abnormal call edges. Write down the CFG in the
1485 (pass_fixup_cfg): Remove TODO_dump_func flag.
1486 * unwind-sjlj.c: Poison setjmp.
1487 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1488 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1489 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1490 (DONT_USE_BUILTIN_SETJMP): Document it.
1492 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1495 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1496 to 1 when __ppc64__ is defined.
1497 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1499 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1501 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1503 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1504 * config/ia64/unwind-hpux.c: Delete.
1506 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1508 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1509 on the element before gimplifying it, instead of punting if it is of
1512 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1514 * doc/loop.texi: New file.
1515 * doc/gccint.texi: Reference loop.texi.
1516 * Makefile.in (loop.texi): Add.
1518 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1520 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1522 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1523 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1525 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1527 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1529 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1531 * doc/install.texi: Document required versions of GMP and MPFR.
1533 2006-09-27 Paul Brook <paul@codesourcery.com>
1536 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1538 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1540 * reload1.c (alter_reg): Require the alignment of the stack slot to
1541 be at least reg_max_ref_width bytes.
1542 (scan_paradoxical_subregs): Record the largest width in
1545 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1549 * tree-nested.c (struct nesting_info): Added static_chain_added.
1550 (convert_call_expr): Set static_chain_added when adding static
1551 chain. Handle OMP_PARALLEL and OMP_SECTION.
1553 2006-09-25 Matthias Klose <doko@debian.org>
1555 * doc/invoke.texi: Add missing full stop.
1557 2006-09-25 Richard Henderson <rth@redhat.com>
1559 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1560 before cgraph_function_flags_ready.
1562 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1563 Adam Nemet <anemet@caviumnetworks.com>
1565 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1566 determine_common_wider_type): New functions.
1567 (get_computation_aff): Use them to simplify arithmetic between
1568 UBASE and CBASE if they are shortened from the same type.
1570 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1573 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1574 -2147483647 - 1 instead of 0x80000000.
1576 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1578 * flags.h (HONOR_NANS): Fix typo in comment.
1580 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1582 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1584 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1588 * tree.c (merge_attributes, attribute_list_contained): If both
1589 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1591 * c-typeck.c (comptypes_internal): Don't consider aggregates
1592 in different TUs as compatible if there one set of attributes is
1593 not a subset of the other type's attributes.
1594 (composite_type): Try harder not to create a new aggregate type.
1596 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1598 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1599 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1600 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1601 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1602 than replicating condition above.
1603 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1605 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1606 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1607 the linker by default.
1609 2006-09-22 Mike Stump <mrs@apple.com>
1611 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1614 2006-09-22 Richard Guenther <rguenther@suse.de>
1617 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1618 sort of stack variables stable.
1620 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1623 * explow.c (force_reg): Set REG_POINTER flag according to
1626 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1628 PR tree-optimization/28888
1629 * tree-if-conv.c (combine_blocks): Rewritten.
1630 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1631 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1633 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1635 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1638 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1640 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1642 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1644 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1646 2006-09-21 Roger Sayle <roger@eyesopen.com>
1649 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1650 dw_fde_current_label, to be the start of the function, i.e. the same
1651 value as dw_fde_begin.
1653 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1655 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1656 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1657 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1658 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1659 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1660 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1661 (abs<mode>2, neg<mode>2): Likewise.
1662 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1663 (*mips_abs_ps): New define_insn.
1665 2006-09-20 Josh Conner <jconner@apple.com>
1668 * calls.c (expand_call): Allow reuse of structure return stack
1671 2006-09-20 Paul Brook <paul@codesourcery.com>
1673 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1676 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1678 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1679 clean up terminology.
1681 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1684 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1685 with tablejumps in them.
1687 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1690 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1691 wrap it into TARGET_EXPR.
1693 2006-09-20 Eric Christopher <echristo@apple.com>
1695 * config/i386/i386.c (x86_fisttp): Remove.
1696 * config/i386/i386.h (x86_fisttp): Ditto.
1697 (TARGET_FISTTP): Ditto.
1699 2006-09-19 Eric Christopher <echristo@apple.com>
1701 * doc/tm.texi (OBJC_JBLEN): Describe.
1702 * config/i386/darwin.h (OBJC_JBLEN): Define.
1703 * config/rs6000/darwin.h: Ditto.
1705 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1707 PR rtl-optimization/21299
1708 * reload1.c (reload): Purge invalid ASMs in the final pass.
1710 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1713 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1714 pointers as legitimate constants.
1716 2006-09-19 Paul Brook <paul@codesourcery.com>
1719 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1721 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1723 PR tree-optimization/28887
1724 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1725 component parts from the reference.
1726 (gather_memory_references_ref): Record the reference without the
1727 nonaddressable component parts.
1729 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1732 * c-opts.c (c_common_handle_option): Ignore the -std options
1733 if the input language is assembly.
1735 2006-09-17 Ira Rosen <irar@il.ibm.com>
1738 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1740 (ptr_ptr_may_alias_p): Likewise.
1741 (record_record_differ_p): New function.
1742 (base_object_differ_p): Call record_record_differ_p.
1744 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1747 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1748 away for the expr argument.
1750 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1753 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1754 before using it for dumping after vectorizing loops.
1756 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1757 Jack Howarth <howarth@bromo.med.uc.edu>
1760 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1761 skip on error_mark_node.
1762 (rs6000_darwin64_record_arg_recurse): Likewise.
1764 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1766 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1767 * doc/rtl.texi: Remove related documentation.
1769 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1771 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1774 2006-09-15 Jim Wilson <wilson@specifix.com>
1776 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1777 Handle symbol offsets same as they are handled in ia64_expand_move
1780 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1782 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1783 Add forgotten parameter to the fprintf call.
1785 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1787 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1789 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1791 * doc/contrib.texi: Add my entry.
1793 2006-09-15 Nick Clifton <nickc@redhat.com>
1795 * doc/md.texi (Processor pipeline description): Fix typo in
1796 example of how to use the absence_set directive and reword the
1797 description to make it slightly easier to read.
1799 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1801 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1802 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1803 expanding the number of iterations.
1804 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1806 * cfgrtl.c (emit_insn_at_entry): New function.
1807 * rtl.h (emit_insn_at_entry): Declare it.
1808 * integrate.c (emit_initial_value_sets): Use it.
1810 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1812 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1814 (struct loop_work and related VEC declarations): Delete.
1815 (bfin_dump_loops): Print out new member bad.
1816 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1817 (bfin_scan_loop): Don't recurse.
1818 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1819 loops. No longer need to update outer loops if the current one is
1820 found bad. Move some validitiy checks to bfin_discover_loop.
1821 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1822 but changed not to check for nesting. Also changed to use the new bad
1824 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1825 time. Use bitmap based test to discover loop nesting.
1827 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1829 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1832 2006-09-14 Richard Guenther <rguenther@suse.de>
1833 Kazu Hirata <kazu@codesourcery.com>
1835 PR middle-end/28884.
1836 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1837 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1838 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1839 with TARGET_FUNCTION_VALUE.
1841 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1844 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1846 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1848 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1851 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1854 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1857 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1859 * basic_block.h (bb_has_eh_pred): Fix comment.
1861 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1863 * flow.c (calculate_global_regs_live): Invalidate eh registers
1864 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1865 (propagate_block): Handle eh registers as if they were set at basic
1867 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1869 * global.c (global_conflicts): Make eh registers to conflict with
1870 pseudos live at basic block begin.
1871 * basic_block.h (bb_has_eh_pred): New function.
1873 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1875 PR rtl-optimization/28982
1876 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1877 index of a PRE_MODIFY or POST_MODIFY address.
1878 * reload1.c (inc_for_reload): Use find_replacement on the original
1879 base and index registers.
1881 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1883 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1884 for -Os. Update __m128 alignment requirement.
1886 2006-09-13 Jan Hubicka <jh@suse.cz>
1888 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1890 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1892 PR rtl-optimization/28243
1893 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1894 the insn to which the note was originally attached.
1896 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1897 Roger Sayle <roger@eyesopen.com>
1899 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1900 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1901 on platforms that don't use dwarf for debug info.
1903 2006-09-12 Jason Merrill <jason@redhat.com>
1906 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1907 hard_frame_pointer_rtx after using it to update the frame pointer.
1909 2006-09-12 Roger Sayle <roger@eyesopen.com>
1911 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1912 (TARGET_ASM_CLOSE_PAREN): Likewise.
1913 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1914 (TARGET_ASM_CLOSE_PAREN): Likewise.
1916 2006-09-12 Roger Sayle <roger@eyesopen.com>
1919 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1920 frame information for frames larger than 512 Kbytes on Tru64 when
1921 using the native assembler.
1923 2006-09-12 Roger Sayle <roger@eyesopen.com>
1927 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1928 and symbols. Instead use the implementation from cse.c's hash_rtx.
1930 2006-09-12 Jan Hubicka <jh@suse.cz>
1932 PR rtl-optimization/28071
1933 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1934 (vect_transform_loop): Likewise.
1935 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1936 (new_loop_vec_info): Likewise.
1937 (destroy_loop_vec_info): Likewise.
1938 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1939 (create_stmt_ann): Likewise.
1940 (create_tree_ann): Rename to ...
1941 (create_tree_common_ann): ... this one; allocate only the common part
1943 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1944 (get_value_handle): Likewise.
1945 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1946 get_tree_common_ann.
1947 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1948 (vinfo_for_stmt): Use stmt annotations.
1949 * tree-flow.h (tree_ann_common_t): New type.
1950 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1951 (tree_ann, get_tree_ann, create_tree_ann): New.
1952 * tree-flow-inline.h (get_function_ann): Do more type checking.
1953 (stmt_ann): Likewise.
1954 (tree_ann): Rename to ...
1955 (tree_common_ann): ... this one; return ony common_ann
1956 (get_tree_ann): Rename to ...
1957 (tree_common_ann): This one; return only common_ann.
1958 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1961 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1963 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1964 with_cpu by default.
1966 * dwarf2out.c (dwarf_file_data): New.
1967 (enum dw_val_class): Add dw_val_class_file.
1968 (struct dw_val_struct): Add val_file.
1969 (file_table): Change to a hash table.
1970 (file_table_emitted): Delete.
1971 (file_table_last_lookup_index): Delete.
1972 (emitcount): Delete.
1973 (last_emitted_file): New.
1974 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1975 (init_file_table): Delete.
1976 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1977 (AT_addr): Add comment.
1981 (print_die): Handle dw_val_class_file.
1982 (print_dwarf_line_table): Update for new file table structure.
1983 (attr_checksum): Do checksum a filename.
1984 (same_dw_val_p, same_attr_p): Do compare a filename.
1985 (size_of_die): Handle dw_val_class_file.
1986 (value_format): Likewise.
1987 (output_die): Likewise. Also, call maybe_emit_file here.
1988 (struct file_info): Constify filenames. Make file_idx a pointer
1989 to a struct dwarf_file_data.
1990 (struct dir_info): Constify directory names. Remove 'used' field.
1991 (struct file_name_acquire_data): New.
1992 (file_name_acquire): New.
1993 (output_file_names): Modify to handle new file data structures.
1994 (add_src_coords_attributes): Use add_AT_file.
1995 (add_call_src_coords_attributes): Likewise.
1996 (dwarf2out_imported_module_or_decl): Likewise.
1997 (gen_subprogram_die): Modify for new file data structures.
1998 (gen_variable_die): Likewise.
1999 (file_table_eq): New.
2000 (file_table_hash): New.
2001 (file_table_last_lookup): New.
2002 (lookup_filename): Rewrite to handle new file data structures.
2003 (maybe_emit_file): Rewrite to handle new file data structures.
2004 (dwarf2out_source_line): Always call lookup_filename and
2006 (dwarf2out_init): Create file_table here.
2007 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2008 (file_table_relative_p): New.
2009 (dwarf2out_finish): Change detection of relative filenames
2010 to work with new file data structures. Move output_line_info call
2011 after debug_info output.
2013 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2018 * config/i386/i386.c (override_options): Always default to 16
2019 byte stack boundary.
2021 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2024 * var-tracking.c (dump_dataflow_set): Start dumping at
2026 (clobber_variable_part): Kill only the variable part in
2027 registers holding it, leaving other variables alone.
2029 2006-09-11 Josh Triplett <josh@freedesktop.org>
2031 * doc/extend.texi (Other Builtins): Actually use the macro
2032 argument in the documentation example for
2033 __builtin_types_compatible_p.
2035 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2037 PR rtl-optimization/28726
2038 * sched-deps.c (sched_analyze_reg): New function extracted from...
2039 (sched_analyze_1): ...here. Call it to analyze references to
2040 registers. Treat again writes to a stack register as writing to the
2042 (sched_analyze_2): ...and here. Call it to analyze references to
2043 registers. Treat again reads of a stack register as reading the
2046 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2047 David Edelsohn <edelsohn@gnu.org>
2050 * config/rs6000/spe.md (frob_df_di): Remove %H.
2051 (frob_di_df): Remove %H. Change evmergelo to mr.
2052 (frob_di_df_2): Remove %H. Change evldd to two loads.
2054 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2056 * doc/cpp.texi: Fix names of charset options.
2058 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2061 * config/i386/i386.c (override_options): Use 128-bit
2062 stack boundary always for 64bits.
2064 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2066 PR rtl-optimization/28636
2067 * combine.c (force_to_mode): Test for side-effects before
2068 substituting by zero.
2069 (simplify_shift_const): Likewise for zero or other constants.
2071 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2074 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2077 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2080 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2081 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2082 returned by mode_for_size, rather than the mode of src itself,
2083 to choose between 32-bit and 64-bit patterns.
2084 (mips_mem_fits_mode_p): New function.
2085 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2086 that the size of the source matches the size of the destination.
2087 (mov_<store>l, mov_<store>r): Likewise.
2089 2006-09-10 Eric Christopher <echristo@apple.com>
2091 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2094 2006-09-09 Eric Christopher <echristo@apple.com>
2097 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2100 2006-09-09 Roger Sayle <roger@eyesopen.com>
2101 Nicolas Setton <setton@adacore.com>
2103 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2105 2006-09-10 Andreas Schwab <schwab@suse.de>
2107 * config/m68k/m68k.md (bungt_rev): New pattern.
2109 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2110 Dale Johannesen <dalej@apple.com>
2113 * regclass.c (struct reg_pref): Update documentation.
2114 (regclass): Set prefclass to NO_REGS if memory is the best option.
2115 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2117 2006-09-08 Eric Christopher <echristo@apple.com>
2119 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2120 * config/t-slibgcc-darwin: Support x86_64 multilib.
2121 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2122 Return 1 for x86_64-darwin.
2123 * config/i386/t-darwin: Add m64 multilib.
2124 (LIB2_SIDITI_CONV_FUNCS): Use.
2125 (LIB2FUNCS_EXTRA): Ditto.
2126 * config/i386/darwin.h: Support x86_64.
2127 * config/i386/i386.c (override_options): Turn on flag_pic
2128 for x86_64-darwin. Disable flag_omit_pointer.
2129 (get_pc_thunk_name): Assert !TARGET_64BIT.
2130 (legitimate_address_p): Disable machopic addressing for
2132 (legitimize_pic_address): Ditto.
2133 (ix86_expand_move): Ditto.
2134 (ix86_expand_call): Ditto.
2135 (machopic_output_stub): Ditto.
2136 * config/darwin.c (machopic_select_section): Support literal16.
2137 (machopic_select_rtx_section): Ditto.
2138 * config/darwin-sections.def: Ditto.
2139 * config/darwin-64.c: New.
2141 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2144 * c-tree.h (struct c_arg_info): Add pending_sizes.
2145 * c-parser.c (c_parser_parms_declarator,
2146 c_parser_parms_list_declarator): Initialize pending_sizes.
2147 * c-decl.c (get_parm_info): Initialize pending_sizes.
2148 (get_parm_info): Set pending_sizes.
2149 (grokdeclarator): Call put_pending_sizes for parameters for
2150 function definition only.
2152 2006-09-07 Jason Merrill <jason@redhat.com>
2155 * varasm.c (output_constant): Only strip actual no-op conversions.
2158 * config/i386/i386.c (override_options): Use 128-bit
2159 stack boundary if -msse.
2161 2006-09-07 Eric Christopher <echristo@apple.com>
2163 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2165 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2168 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2170 * dwarf2out.c: Remove strange characters from comment above
2171 dwarf2out_frame_debug_expr.
2173 2006-09-07 Eric Christopher <echristo@apple.com>
2175 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2176 * config/darwin.h: ... to here.
2178 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2180 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2182 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2183 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2185 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2186 TARGET_PARTIAL_FLAG_REG_STALL.
2187 (*ashldi3_cconly_rex64): Likewise.
2188 (*ashlsi3_cmp): Likewise.
2189 (*ashlsi3_cconly): Likewise.
2190 (*ashlsi3_cmp_zext): Likewise.
2191 (*ashlhi3_cmp): Likewise.
2192 (*ashlhi3_cconly): Likewise.
2193 (*ashlqi3_cmp): Likewise.
2194 (*ashlqi3_cconly): Likewise.
2195 (*ashrdi3_cmp_rex64): Likewise.
2196 (*ashrdi3_cconly_rex64): Likewise.
2197 (*ashrsi3_cmp): Likewise.
2198 (*ashrsi3_cconly): Likewise.
2199 (*ashrsi3_cmp_zext): Likewise.
2200 (*ashrhi3_cmp): Likewise.
2201 (*ashrhi3_cconly): Likewise.
2202 (*ashrqi3_cmp): Likewise.
2203 (*ashrqi3_cconly): Likewise.
2204 (*lshrdi3_cmp_rex64): Likewise.
2205 (*lshrdi3_cconly_rex64): Likewise.
2206 (*lshrsi3_cmp): Likewise.
2207 (*lshrsi3_cconly): Likewise.
2208 (*lshrsi3_cmp_zext): Likewise.
2209 (*lshrhi3_cmp): Likewise.
2210 (*lshrhi3_cconly): Likewise.
2211 (*lshrqi2_cmp): Likewise.
2212 (*lshrqi2_cconly): Likewise.
2214 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2217 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2218 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2219 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2220 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2221 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2222 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2223 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2224 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2225 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2226 implement only CC setting effects of shift instructions.
2228 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2230 * doc/contrib.texi: Add myself.
2232 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2235 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2236 was set by the user.
2238 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2241 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2242 (divsi_inv_m1): Use them.
2243 (UNSPEC_DIV_INV_TABLE): New constant.
2245 2006-09-06 James E Wilson <wilson@specifix.com>
2248 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2249 then call count_or_remove_death_notes.
2251 2006-09-06 Jason Merrill <jason@redhat.com>
2254 * tree-inline.c (copy_result_decl_to_var): New fn.
2255 (declare_return_variable): Use it. Call declare_inline_vars here.
2256 (expand_call_inline): Not here.
2258 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2260 * doc/contrib.texi: Update my entry.
2262 2006-09-06 Nick Clifton <nickc@redhat.com>
2264 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2266 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2269 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2270 (canonicalize_induction_variables): Likewise.
2271 (tree_unroll_loops_completely): Likewise.
2272 (tree_ssa_prefetch_arrays): Likewise.
2273 (remove_empty_loops): Likewise.
2274 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2275 TODO_cleanup_cfg instead of directly calling
2276 cleanup_tree_cfg_loop.
2277 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2279 (tree_unroll_loops_completely): Likewise.
2280 (remove_empty_loops): Likewise.
2281 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2282 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2283 of tree_ssa_unswitch_loops.
2284 (tree_ssa_loop_ivcanon): Use the return value of
2285 canonicalize_induction_variables.
2286 (tree_ssa_empty_loop): Use the return value of
2288 (tree_complete_unroll): Use the return value of
2289 tree_unroll_loops_completely.
2290 (tree_ssa_loop_prefetch): Use the return value of
2291 tree_ssa_prefetch_arrays.
2292 * passes.c (execute_todo): Before Cleanup CFG, set
2293 updating_used_alone and after cleanup CFG, call
2294 recalculate_used_alone.
2296 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2299 * tree-vect-transform.c (vectorizable_condition): Move the check
2300 for the type after the check for simple condition.
2302 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2303 Kaz Kojima <kkojima@gcc.gnu.org>
2306 * mode-switching.c (optimize_mode_switching): Make the destination
2307 block of an abnormal edge have no anticipatable mode. Don't
2308 insert mode switching code at the end of the source block of
2311 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2313 PR rtl-optimization/26847
2314 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2315 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2316 (simplify_plus_minus): Count n_constants while filling ops. Replace
2317 qsort with insertion sort. Before going through the array to simplify
2318 pairs, sort it. Delay early exit until after the first sort, exiting
2319 only if no swaps occurred. Simplify pairs in reversed order, without
2320 special-casing the first iteration. Pack ops after simplifying pairs.
2322 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2324 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2325 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2326 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2327 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2329 2006-09-05 Richard Guenther <rguenther@suse.de>
2331 PR tree-optimization/28900
2332 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2333 compound conditional before creating COND_EXPR condition.
2335 2006-09-05 Richard Guenther <rguenther@suse.de>
2337 PR tree-optimization/28905
2338 * tree-vrp.c (fix_equivalence_set): Manually implement
2339 !value_ranges_intersect_p to also handle symbolic ranges.
2341 2006-09-05 Richard Guenther <rguenther@suse.de>
2344 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2347 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2349 PR rtl-optimization/27616
2350 * cse.c (table_size): New static variable.
2351 (new_basic_block): Initialize it to 0.
2352 (remove_from_table): Decrement it.
2353 (insert): Increment it.
2354 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2355 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2356 fold_rtx_mem_1 if under the cap.
2357 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2358 the lookup of the equivalent expression and test for equality of the
2359 first operand of the equivalent expression before in turn looking up
2360 an equivalent constant for the second operand.
2362 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2365 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2366 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2367 pointer, instead of assuming it is possible to derive the
2368 correct args size from a call insn.
2370 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2373 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2374 (fold_builtin_mempcpy): Rename to...
2375 (fold_builtin_memory_op): ... this. Optimize one element copy
2377 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2379 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2380 (expand_builtin_memcpy, expand_builtin_mempcpy,
2381 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2382 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2383 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2384 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2386 2006-09-01 DJ Delorie <dj@redhat.com>
2388 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2389 (stzx_16): Likewise.
2390 ("stzx_24_<mode>"): Likewise.
2391 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2392 ("cmp<mode>_op"): New.
2393 (cmp<mode>): Change to expander; just save operands.
2395 (b<code>): Change to expander, emit compare here.
2396 (s<code>_op): Change to use split and expander.
2397 (s<code>_24_op): Likewise.
2398 (s<code>_<mode>): New.
2399 (s<code>_<mode>_24): New.
2400 (movqicc_<code>_<mode): New.
2401 (movhicc_<code>_<mode>): New.
2404 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2405 (m32c_pend_compare): New.
2406 (m32c_unpend_compare): New.
2407 (m32c_expand_scc): New.
2408 (m32c_expand_movcc): Emit the compare also.
2409 * config/m32c/predicates.md (mra_nopp_operand): New.
2411 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2412 Richard Guenther <rguenther@suse.de>
2413 Adam Nemet <anemet@caviumnetworks.com>
2416 * builtins.c (get_pointer_alignment): Handle more forms
2417 of base addresses that can be used to derive more precise
2418 information about alignment.
2420 2006-09-01 Jason Merrill <jason@redhat.com>
2423 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2426 * gimplify.c (voidify_wrapper_expr): Handle null type.
2428 2006-09-01 Josh Conner <jconner@apple.com>
2431 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2432 (execute_return_slot_opt): Use it.
2434 2006-08-31 Josh Conner <jconner@apple.com>
2437 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2438 returning aggregates.
2440 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2442 PR tree-optimization/28839
2443 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2444 blocks in that phi arguments appear.
2446 2006-08-31 Roger Sayle <roger@eyesopen.com>
2449 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2450 NULL, otherwise use an advance_loc4 to adjust relative to the
2452 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2453 (dwarf2out_switch_text_section): Reset the current label to avoid
2454 using advance_loc4 over section boundaries.
2456 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2459 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2460 r12 + SYMBOLIC_CONST.
2462 2006-08-30 Richard Guenther <rguenther@suse.de>
2464 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2466 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2468 PR rtl-optimization/27735
2469 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2470 Add new argument to keep track of whether an irreducible region
2471 was affected. All callers changed.
2472 (fix_irreducible_loops): Removed.
2473 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2474 flags were invalidated.
2476 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2478 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2479 instead of SF operands.
2480 (*fop_df_comm_sse): Likewise.
2481 (*fop_df_comm_i387): Likewise.
2482 (*fop_df_1_mixed): Likewise.
2483 (*fop_df_1_sse): Likewise.
2485 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2486 J"orn Rennecke <joern.rennecke@st.com>
2488 PR tree-optimization/17506
2489 * tree-ssa.c (warn_uninit): If warning about a location outside of
2490 the current function, note where the variable was declared.
2492 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2494 PR tree-optimization/28411
2495 * double-int.c (double_int_div): Use double_int_divmod.
2496 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2497 double_int_mod, double_int_smod, double_int_umod): New functions.
2498 * double-int.h (double_int_divmod, double_int_sdivmod,
2499 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2501 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2503 (get_computation_aff, get_computation_cost_at): Handle double_int
2504 return type of constant_multiple_of.
2506 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2509 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2510 an implicit conversion.
2512 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2514 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2516 2006-08-27 Roger Sayle <roger@eyesopen.com>
2518 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2521 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2523 * config/i386/crtfastmath.c: Fix a comment typo.
2525 2006-08-26 Roger Sayle <roger@eyesopen.com>
2527 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2528 temporary visit flags on CASE_LABEL_EXPRs.
2529 * c-common.c (match_case_to_enum): Add function comment. Avoid
2530 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2531 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2532 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2533 a constant, only warn if that constant value isn't handled.
2535 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2538 * input.h (restore_input_file_stack): Declare.
2539 (INPUT_FILE_STACK_BITS): Define.
2540 * toplev.c (fs_p, input_file_stack_history,
2541 input_file_stack_restored, restore_input_file_stack): New.
2542 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2543 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2544 (pop_srcloc): Don't free old state of stack.
2546 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2549 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2550 (PowerPC Type Attributes): New.
2552 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2554 * config/xtensa/xtensa.c (function_arg_boundary): New.
2555 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2557 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2558 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2560 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2563 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2566 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2568 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2569 (verify_local_live_at_start): Likewise.
2571 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2574 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2575 omp_add_variable): Treat sizes as variable whenever not
2578 2006-08-26 Richard Guenther <rguenther@suse.de>
2581 * fold-const.c (fold_binary): Fold temporary to correct
2582 type before constructing new comparison.
2584 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2587 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2588 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2590 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2593 * c-decl.c (start_function): Don't try to process prototype
2594 information from old declaration that isn't a function.
2596 2006-08-25 Jan Hubicka <jh@suse.cz>
2599 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2601 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2604 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2607 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2609 PR tree-optimization/16876
2610 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2611 exit if PARM doesn't match VALUE.
2613 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2615 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2616 literal_prefix directive.
2617 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2618 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2619 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2621 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2624 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2625 predicate to general_operand. Add 0->y and I->r alternatives.
2627 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2629 * doc/tm.texi: Fix a typo.
2630 * predict.c: Fix comment typos.
2632 2006-08-25 Nick Clifton <nickc@redhat.com>
2634 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2635 assertions of "cpu" and "machine".
2637 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2640 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2641 the access through a base which has an alias set of 0 cannot
2644 2006-08-24 Bill Wendling <wendling@apple.com>
2646 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2648 2006-08-24 Jan Hubicka <jh@suse.cz>
2650 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2652 2006-08-24 Jan Hubicka <jh@suse.cz>
2655 * cgraph.c: Fix comments.
2656 (cgraph_varpool_mark_needed_node): Mark only variables not already
2658 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2659 (cgraph_varpool_assembled_nodes_queue): New static variable.
2660 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2661 (cgraph_varpool_output_debug_info): New function.
2662 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2663 * Makefile.in: Add gt-cgraphunit.h
2665 2006-08-24 Jan Hubicka <jh@suse.cz>
2667 * predict.c (probability_reliable_p): New predicate.
2668 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2669 (predict_loops): Do not predict loop exit with less than 2%
2671 * basic-block.h (edge_probability_reliable_p,
2672 br_prob_note_reliable_p): Declare.
2673 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2674 prediction when static predictor is not reliable.
2675 * rs6000.c (output_cbranch): Likewise.
2677 2006-08-23 Stuart Hastings <stuart@apple.com>
2680 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2681 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2683 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2686 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2687 complex values, nor for generic vector values.
2689 2006-08-22 Richard Guenther <rguenther@suse.de>
2692 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2693 parameter. Convert arguments to arithmetic expression to the
2695 (analyze_scalar_evolution_1): Adjust caller.
2697 2006-08-22 Jan Hubicka <jh@suse.cz>
2699 Patch by Paolo Bonzini
2700 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2703 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2705 PR tree-optimization/28003
2706 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2707 before grouping aliases.
2709 2006-08-22 Roger Sayle <roger@eyesopen.com>
2711 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2712 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2714 2006-08-21 Jason Merrill <jason@redhat.com>
2717 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2718 wrapper. Loop to handle nested wrappers.
2719 (gimplify_bind_expr): Remove temp parameter.
2720 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2721 and STATEMENT_LIST on the rhs.
2722 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2723 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2724 (gimplify_target_expr): Remove special BIND_EXPR handling.
2726 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2728 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2731 2006-08-21 Olivier Hainque <hainque@adacore.com>
2733 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2734 Arrange for the temporary captures of components overlapping the lhs
2735 to happen before the lhs is possibly cleared.
2737 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2739 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2740 necessary places to pass the correct "number of registers" values
2743 2006-08-20 Jan Hubicka <jh@suse.cz>
2745 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2746 (create_name_tags): Instead of quadratic checking use hashtable.
2747 * bitmap.h: Include hashtab.h.
2748 (bitmap_hash): Declare.
2749 * bitmap.c (bitmap_hash): New function.
2751 2006-08-20 Jan Hubicka <jh@suse.cz>
2753 PR rtl-optimization/28071
2754 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2756 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2757 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2758 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2759 cgraph_decide_inlining_incrementally): Update use of
2760 cgraph_check_inline_limits.
2761 * cgraph.c (edge_hash, edge_eq): New function.
2762 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2763 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2764 cgraph_remove_node): Maintain call site hash.
2765 * cgraph.h (struct cgraph_node): Add call_site_hash.
2766 (cgraph_set_call_stmt): New function.
2768 2006-08-20 Jan Hubicka <jh@suse.cz>
2770 PR rtl-optimization/28071
2771 * reload1.c (reg_has_output_reload): Turn into regset.
2772 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2773 choose_reload_regs, emit_reload_insns): Update to new
2774 reg_has_output_reload.
2776 2006-08-20 Jan Hubicka <jh@suse.cz>
2779 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2780 function body sizes.
2781 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2783 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2786 * tree.c (handle_dll_attribute): Return early if not a
2787 var or function decl.
2789 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2792 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2793 alignment of SPE vector types.
2795 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2797 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2799 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2802 * cgraph.h (struct cgraph_node): Remove externally_visible
2804 * cgraphunit.c (process_function_and_variable_attributes): Set
2805 local.externally_visible rather than externally_visible.
2808 * c-common.c (handle_externally_visible_attribute): First look
2809 at TREE_CODE and only if it is function or var decl, check for
2810 non-public objects. Don't warn for DECL_EXTERNAL.
2811 * cgraphunit.c (process_function_and_variable_attributes): Warn
2812 if externally_visible attribute is used on non-public object.
2814 2006-08-17 Jan Hubicka <jh@suse.cz>
2816 PR tree-optimization/27865
2817 * reload1.c (forget_marked_reloads): New function.
2818 (forget_old_reloads_1): When data are passed, just mark the registers
2820 (reload_as_needed): Use the new mechanizm.
2822 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2825 * reload.h (reg_equiv_alt_mem_list): New declaration.
2826 * reload1.c (reg_equiv_alt_mem_list): New definition.
2827 (reload): Initialize it and release it.
2828 (delete_output_reload): Use it.
2829 * reload.c (push_reg_equiv_alt_mem): New function.
2830 (find_reloads_toplev): Call it.
2831 (find_reloads_address, find_reloads_address_1): Likewise.
2832 (find_reloads_subreg_address): Likewise.
2834 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2836 PR rtl-optimization/28489
2837 * sched-ebb.c (begin_schedule_ready): Create basic block
2839 (advance_target_bb): Skip empty blocks.
2840 * haifa-sched.c (bb_note): Make global.
2841 * sched-int.h (bb_note): Add prototype.
2843 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2845 PR tree-optimization/27865
2846 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2848 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2849 fold_used_pointer, pointer_used_p): New functions.
2850 (analyze_scalar_evolution_1): Use fold_used_pointer.
2851 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2852 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2855 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2858 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2859 or the INTEGER_CST. Fail on a CALL_EXPR.
2860 (fold_offsetof): Pass new argument to fold_offsetof_1.
2861 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2862 operand into an INDIRECT_REF.
2863 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2865 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2867 PR gcov/profile/26570
2868 * value-prof.c (static_values): Removed.
2869 (tree_find_values_to_profile): Do not set static_values.
2870 (find_values_to_profile): Do not free static_values.
2871 * profile.c (instrument_values): Do not free the values.
2872 (branch_prob): Free the values.
2874 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2876 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2878 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2881 * c-typeck.c (build_component_ref): Combine qualifiers of
2882 structure or union and field.
2884 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2886 PR rtl-optimization/28071
2887 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2888 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2889 * tree-into-ssa.c (struct dom_dfsnum): New.
2890 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2892 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2893 compute_global_livein.
2894 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2895 in phi nodes in the correct blocks.
2897 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2899 PR tree-optimization/28364
2900 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2902 (fold_affine_expr): New function.
2903 (may_eliminate_iv): Use fold_affine_expr.
2905 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2908 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2911 2006-08-16 Mike Stump <mrs@apple.com>
2913 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2914 * doc/cppopts.texi (-MD): Likewise.
2916 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2919 * c-common.c (handle_weak_attribute): Ignore and warn if
2920 not a FUNCTION_ or VAR_DECL.
2922 2006-07-15 Mike Stump <mrs@apple.com>
2925 * c-parser.c (c_parser_typeof_specifier): Don't use
2926 c_finish_expr_stmt, open code desired semantics instead.
2928 2006-08-15 Nick Clifton <nickc@redhat.com>
2930 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2931 fragment to tmake_file only if threads are enabled.
2932 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2933 * config/i386/t-gthr-win32: New file. ... here.
2935 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2938 * c-parser.c (c_parser_compound_statement_nostart): Reset
2939 parser->error after each statement.
2941 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2944 * omp-low.c (lower_omp_parallel): Convert t to
2945 receiver_decl's type.
2946 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2947 source before comparison.
2950 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2951 to itype in assignment to oldival2.
2953 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2957 * c-typeck.c (build_compound_expr): If the second expression
2958 is an error mark, then just return an error mark instead of
2959 creating a COMPOUND_EXPR.
2961 2006-07-14 Mike Stump <mrs@apple.com>
2963 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2965 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2967 * c-decl.c, var-tracking.c: Fix comment typos.
2969 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2971 PR rtl-optimization/28634
2972 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2973 for floating-point modes unless flag_unsafe_math_optimizations.
2975 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2976 Andrew Pinski <pinskia@physics.uc.edu>
2979 * tree.c (build_array_type): Unify array types with
2980 unspecified index_type.
2981 * c-decl.c (grokdeclarator): Make sure we do not modify a
2982 unified incomplete array type.
2983 * c-typeck.c (store_init_value): Create distinct type before
2984 filling in the index type in an initializer from a compound
2987 * c-decl.c (grokdeclarator): Remove code where we copy the
2990 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2992 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2993 into account for TODO_dump_cgraph.
2994 (TODO_update_ssa_no_phi): Likewise.
2995 (TODO_update_ssa_full_phi): Likewise.
2996 (TODO_update_ssa_only_virtuals): Likewise.
2997 (TODO_remove_unused_locals): Likewise.
2998 (TODO_set_props): Likewise.
2999 (TODO_update_stmt_usage): Likewise.
3001 2006-08-13 Dirk Mueller <dmueller@suse.de>
3003 * c-common.c (strict_aliasing_warning): Fix formatting.
3005 2006-08-13 Matthias Klose <doko@debian.org>
3007 * doc/invoke.texi: Fix spelling errors.
3009 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3011 PR rtl-optimization/23454
3012 * reorg.c (relax_delay_slots): Update comment.
3014 2006-08-11 Richard Guenther <rguenther@suse.de>
3017 * simplify-rtx.c (simplify_const_relational_operation):
3018 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3021 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3023 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3024 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3026 2006-08-10 Paul Brook <paul@codesourcery.com>
3028 * final.c (final_scan_insn): Clear current_insn_predicate before
3029 outputting inline asm.
3031 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3033 PR tree-optimization/26197
3034 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3035 get_ref_base_and_extent and overlap_subvar to add only relevant
3036 subvars as may-aliases.
3037 (add_may_alias_for_new_tag): New function, factored out of
3039 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3040 with additional argument.
3041 * tree-flow.h (new_type_alias): Takes additional argument.
3043 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3045 * gcov.c (no_data_file): New flag.
3046 (read_count_file): Set it if data file not present. Assume counts
3048 (output_lines): Don't name the data file, if there wasn't one.
3050 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3052 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3053 (rs6000_generate_compare): Tweak comments.
3054 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3056 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3058 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3059 (var_debug_decl): New function.
3060 (var_reg_set): Follow debug decl link. Add location even if
3061 reg is already known to hold some other variable.
3062 (var_mem_set): Follow debug decl link.
3063 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3064 decl link. Delete other known locations of the variable part
3066 (var_reg_delete, var_mem_delete): Delete other known locations
3067 of the variable part if requested.
3068 (same_variable_part_p): New function.
3069 (add_stores): Select MO_COPY when appropriate.
3070 (vt_initialize): Handle it.
3071 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3072 known locations for MO_SET and MO_CLOBBER.
3073 (find_variable_location_part): New function.
3074 (set_variable_part, delete_variable_part): Use it.
3075 (clobber_variable_part): New function.
3076 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3079 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3081 PR tree-optimization/26969
3082 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3083 with an empty list of PHIs.
3085 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3089 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3092 2006-08-06 Andreas Schwab <schwab@suse.de>
3094 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3095 string. Whitespace and comment fixup.
3097 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3100 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3104 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3107 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3109 2006-08-04 Jan Hubicka <jh@suse.cz>
3113 * reload.c (push_reload): Patch out the mismatching instruction;
3115 (find_reload): Bail out if the instruction was patched out.
3117 2006-08-04 Jan Hubicka <jh@suse.cz>
3119 PR tree-optimization/24888
3120 * tree-inline.c (expand_call_inline): Do not re-record variables.
3121 (declare_inline_vars): Add variable to unexpanded_var_list.
3123 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3124 Roger Sayle <roger@eyesopen.com>
3126 PR rtl-optimization/26244
3127 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3128 inner_const are negative or greater than or equal to the bitsize of
3129 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3130 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3131 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3132 CONST0_RTX (mode) when the new shift count is greater than or equal to
3133 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3136 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3138 * tree-cfg.c: Fix a comment typo.
3140 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3143 * varasm.c (output_constant): Give the front end another chance to
3144 expand constants, after stripping NOPs.
3146 2006-08-03 Jan Hubicka <jh@suse.cz>
3148 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3151 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3153 PR tree-optimization/27770
3154 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3155 declaration removed (moved to tree-flow.h).
3156 (vect_can_force_dr_alignment_p): Likewise.
3157 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3158 (moved from tree-vectorizer.h).
3159 (vect_can_force_dr_alignment_p): Likewise.
3160 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3161 from outside the vectorizer - in particular from cgraph stage.
3162 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3163 the alignment of global arrays when -fsection-anchors is enabled.
3164 * cgraphunit.c (cgraph_increase_alignment): New function.
3165 (cgraph_optimize): Call cgraph_increase_alignment.
3167 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3170 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3171 not reload a SPE symbol_ref into a lo_sum address.
3173 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3176 * dwarf2out.c (prune_unused_types_prune): Move call to
3177 prune_unused_types_update_strings to cover the parent DIE also.
3179 2006-08-02 Jan Hubicka <jh@suse.cz>
3181 PR gcov/profile/28480
3182 * tree-cfg.c (change_bb_for_stmt): New function.
3183 (tree_merge_blocks, tree_split_blocks): Use it.
3185 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3191 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3192 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3193 (cgraph_optimize): Likewise.
3195 2006-08-01 Stuart Hastings <stuart@apple.com>
3197 * rtl.h (UINTVAL) New.
3198 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3199 * testsuite/gcc.dg/20060801-1.c: New.
3201 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3204 * c-typeck.c (build_external_type): Mark used enum types.
3205 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3207 (gen_subprogram_die): Whitespace fix.
3209 2006-08-01 Jan Hubicka <jh@suse.cz>
3211 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3212 bitmap when not needed.
3213 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3216 2006-08-01 Dirk Mueller <dmueller@suse.de>
3218 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3220 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3222 * Makefile.in: Revert part of previous patch:
3223 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3226 2006-07-30 Eric Christopher <echristo@apple.com>
3229 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3230 (PowerPC Variable Attributes): New section.
3232 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3234 PR target/28126 (partial fix)
3235 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3237 2006-07-28 Jan Hubicka <jh@suse.cz>
3239 PR rtl-optimization/28071
3240 * cfgrtl.c (rtl_delete_block): Free regsets.
3241 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3243 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3245 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3246 and variables used in dependencies.
3248 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3250 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3251 %fs for -mcmodel=kernel.
3252 (stack_tls_protect_test_di): Likewise.
3254 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3256 * Makefile.in: Use mkinstalldirs.
3258 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3261 * opts-common.c (prune_options): Skip joined switches.
3263 2006-07-27 Jan Hubicka <jh@suse.cz>
3265 PR rtl-optimization/28071
3266 * cselib.c (cselib_process_insn): Don't remove useless values too
3267 often for very large hashtables.
3269 2006-07-27 Jan Hubicka <jh@suse.cz>
3271 PR rtl-optimization/28071
3272 * global.c (greg_obstack): New obstack.
3273 (allocate_bb_info): Use it.
3274 (free_bb_info): Likewise.
3275 (modify_reg_pav): Likewise.
3277 2006-07-27 Roger Sayle <roger@eyesopen.com>
3279 * builtins.c (fold_fixed_mathfn): When long and long long are the
3280 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3281 functions to their lceil*, lfloor*, lround* and lrint* forms.
3283 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3286 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3288 (rev_branch_insn): Likewise.
3290 2006-07-27 Jan Hubicka <jh@suse.cz>
3292 PR rtl-optimization/28071
3293 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3294 (reg_set_in_bb, max_reg_computed): New static variables.
3295 (regmove_optimize): Free the new array.
3296 (fixup_match_1): Update call of reg_is_remote_constant_p.
3298 2006-07-26 Jan Hubicka <jh@suse.cz>
3300 PR tree-optimization/27882
3301 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3303 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3305 (cgraph_analyze_compilation_unit): Likewise.
3306 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3307 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3308 (cgraph_early_inlinine): Make order garbage collected.
3309 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3311 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3313 * dbxout.c (output_types_sort): Add a comment.
3314 (output_used_types): Free the VEC.
3316 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3318 * function.c (reorder_fix_fragments): Delete.
3319 (reorder_blocks): Don't call it.
3320 (reorder_blocks_1): Put all subblocks under the origin block.
3322 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3324 PR rtl-optimization/27907
3325 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3328 2006-07-25 Roger Sayle <roger@eyesopen.com>
3331 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3332 bar(x) check that bar's result type can represent all the values of T.
3334 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3336 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3338 2006-07-25 Nick Clifton <nickc@redhat.com>
3340 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3341 size_lookup[] array.
3342 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3343 (ggc_pch_count_object): Likewise.
3344 (ggc_pch_alloc_object): Likewise.
3345 (ggc_pch_write_object): Likewise.
3346 (init_ggc): Do not attempt to initialize entries in the
3347 size_lookup[] array for objects whose size is greater than than
3348 the length of the array.
3350 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3352 * dbxout.c (output_used_types_helper): Push queued types
3354 (output_types_sort): New.
3355 (output_used_types): Collect used types on a VEC and sort them
3358 2006-07-24 Richard Guenther <rguenther@suse.de>
3361 * cgraph.c (cgraph_remove_node): Do not check if dumps
3363 * cgraphunit.c (cgraph_optimize): Likewise.
3365 2006-07-24 Jan Hubicka <jh@suse.cz>
3367 PR rtl-optimization/28071
3368 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3369 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3370 splitting before first stmt.
3372 2006-07-24 Jan Hubicka <jh@suse.cz>
3374 PR rtl-optimization/28071
3375 * ipa-inline.c (update_caller_keys): Remove edges that
3376 are no longer inline candidates.
3378 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3381 * dbxout.c (output_used_types_helper, output_used_types): New.
3382 (dbxout_symbol): Call output_used_types.
3384 2006-07-23 Jan Hubicka <jh@suse.cz>
3388 * cgraph.c (cgraph_varpool_nodes): Export.
3389 (decide_is_variable_needed): Ignored "used" attribute in
3390 unit-at-a-time mode.
3391 * cgraph.h (cgraph_varpool_nodes): Declare.
3392 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3393 unit-at-a-time mode.
3395 2006-07-23 Roger Sayle <roger@eyesopen.com>
3398 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3399 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3400 the __gthrw form of thr_keycreate.
3401 (__gthread_key_delete): Silence the unused argument warning.
3403 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3406 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3407 Cache the last found '\0' marker to avoid quadratic behavior.
3409 2006-07-23 Jan Hubicka <jh@suse.cz>
3411 * i386.md (subsi_3_zext): Fix output template.
3413 2006-07-21 Mike Stump <mrs@apple.com>
3415 * doc/invoke.texi (C++ Dialect Options): Note that
3416 -fvisibility-inlines-hidden doesn't affect explicitly
3417 instantiationed inline methods.
3419 2006-07-20 Roger Sayle <roger@eyesopen.com>
3421 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3422 if the target assembler is GNU binutils' gas.
3423 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3424 whether to pass GNU gas or native as command line options.
3426 2006-07-20 Jason Merrill <jason@redhat.com>
3428 * tree.c (remove_attribute): New fn.
3429 * tree.h: Declare it.
3431 2006-07-20 Paul Brook <paul@codesourcery.com>
3434 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3435 they are invalidated by this instruction.
3437 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3440 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3442 2006-07-20 Eric Christopher <echristo@apple.com>
3445 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3447 2006-07-19 Eric Christopher <echristo@apple.com>
3449 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3450 Rewrite dependencies for libgcc_s.1.dylib.
3452 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3454 * except.c (duplicate_eh_regions_1): Clear next_peer.
3456 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3458 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3459 -mlongcall does not guarantee all calls will be long.
3460 * doc/extend.texi (long_call/short_call): Document that longcall
3461 does not guarantee a long call will be used.
3462 (longcall/shortcall): Likewise.
3464 2006-07-18 Roger Sayle <roger@eyesopen.com>
3467 * expmed.c (expand_shift): Additionally check that the shift_cost
3468 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3469 before implementing a LSHIFT_EXPR as a sequence of additions.
3470 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3471 middle-end that DImode shifts need to be synthesized by expand.
3473 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3476 * tree-ssa-operands.c (access_can_touch_variable): Update
3478 Return true if ALIAS is .GLOBAL_VAR.
3480 2006-07-18 David Daney <ddaney@avtrex.com>
3482 * gcc.c (display_help): Fix typo in help text.
3484 2006-07-18 Olivier Hainque <hainque@adacore.com>
3486 * tree.h (categorize_ctor_elements): Adjust prototype and add
3487 descriptive comment, both in accordance with the interface change
3489 * varasm.c (constructor_static_from_elts_p): New function.
3490 Whether a constructor node is a valid static constant initializer
3491 if all its elements are.
3492 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3493 * output.h: Declare it.
3494 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3495 is a valid constant initializer instead of computing the number of
3496 non-constant elements. Use constructor_static_from_elts_p for this
3497 purpose. Replace the head comment with an indication that this is a
3498 helper for categorize_ctor_elements.
3499 (categorize_ctor_elements): Same interface change as for the _1
3500 helper. Former head comment from this helper moved here, adjusted to
3501 account for the interface changes.
3502 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3503 (all_zeros_p): Likewise.
3504 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3505 static versions of the constructor from the categorize_ctor_elements
3506 return value instead of the formerly computed number of non-constant
3509 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3511 * configure: Regenerate.
3512 * Makefile.in (build_libsubdir): New configure substitution
3513 (build_libobjdir): New variable.
3514 (BUILD_LIBIBERTY): Use it.
3516 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3519 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3521 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3524 * c-common.c (handle_weakref_attribute): Ignore attribute in
3525 the same conditions the alias attribute is ignored.
3527 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3529 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3530 (dbxout_begin_prologue): Increment scope_labelno.
3532 2006-07-17 Richard Henderson <rth@redhat.com>
3535 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3538 2006-07-17 Roger Sayle <roger@eyesopen.com>
3539 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3541 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3542 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3543 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3544 functions such as sbrk, write, etc.. Add function prototypes.
3545 Convert function declarations from K&R to ISO C. Cast pointers
3546 to "long" and "unsigned long" instead of "int" and "unsigned int".
3547 Convert tokens following #endif into comments.
3549 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3551 * invoke.texi: Remove mention of f77; Reformat table for
3552 inline parameter options correctly; mention that -malign-double
3553 is default on x86-64 targets.
3555 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3557 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3558 (convert_affine_scev, chrec_convert_aggressive): Use
3559 avoid_arithmetics_in_type_p. Do not check for the subtypes
3562 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3565 * optabs.c (expand_doubleword_shift): Wrap the call to
3566 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3568 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3571 * optabs.c (expand_binop): Pass next_methods rather than methods
3572 to expand_doubleword_shift.
3574 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3577 * tree.h (dump_addr): Declare.
3578 * print-tree.c (dump_addr): New function.
3579 (print_node_brief, print_node): Use it.
3580 * print-rtl.c (print_rtx): Likewise.
3581 * common.opt (-fdump-noaddr): New option.
3582 * doc/invoke.texi (-fdump-noaddr): Document.
3583 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3584 (ve_info_hash): Likewise.
3586 2006-07-13 Andrew Haley <aph@redhat.com>
3588 PR tree-optimization/19505
3589 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3590 edge leaving this block, make sure that the destination of this
3591 block has only one predecessor.
3593 2006-07-17 Richard Guenther <rguenther@suse.de>
3595 PR tree-optimization/28238
3596 * tree-inline.c (copy_bb): Check if we produced valid
3597 gimple copying and substituting a stmt. If not, gimplify
3600 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3602 * optabs.c (maybe_encapsulate_block): New function extracted from...
3603 (emit_libcall_block): ...here. Invoke it on the block of insns to
3604 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3605 (emit_no_conflict_block): Likewise.
3607 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3609 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3611 2006-07-15 Roger Sayle <roger@eyesopen.com>
3613 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3614 a new NOP_EXPR case of the switch statement.
3616 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3619 * stor-layout.c (place_field): Take the bit field with
3620 an excessive size into account in the ms-bitfiled case.
3623 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3624 the previous bit field.
3626 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3629 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3631 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3633 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3634 signal frames correctly even when the signal was installed with
3637 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3639 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3640 (dbxout_function_end): Use local label LFBB. Remove hook
3642 (dbxout_source_line): Use local label LFBB.
3643 (dbxout_block): Likewise.
3644 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3645 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3646 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3647 and DBX_OUTPUT_NFUN.
3649 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3651 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3653 2006-07-13 Jan Hubicka <jh@suse.cz>
3655 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3657 * output.h (align_variable): Declare.
3658 * varasm.c (align_variable): Export.
3659 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3660 when basic block changed.
3662 2006-07-13 Nick Clifton <nickc@redhat.com>
3664 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3665 walking the LOG_LINKS chain.
3667 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3669 * doc/invoke.texi (C++ Dialect Options): Explain difference
3670 between -fvisibility-inlines-hidden and setting hidden
3671 visibility explicitly.
3673 2006-07-12 Eric Christopher <echristo@apple.com>
3675 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3676 (stmp-lipo): Depend on libgcc.a.
3678 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3680 * tree.c: Fix a comment typo.
3682 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3684 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3686 (umulhisi3_r): Likewise.
3688 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3691 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3692 x < 19, vs wchar_t support.
3694 2006-07-12 Nick Clifton <nickc@redhat.com>
3696 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3697 instead of -isa=sh4.
3699 2006-07-12 Mike Stump <mrs@apple.com>
3701 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3703 2006-07-10 Eric Christopher <echristo@apple.com>
3705 * config/t-slibgcc-darwin: Rewrite.
3707 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3710 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3713 2006-07-08 Matthias Klose <doko@debian.org>
3715 * doc/sourcebuild.texi: Fix typo.
3717 2006-07-07 Mike Stump <mrs@apple.com>
3719 * toplev.c (process_options): Don't give -ffunction-sections may
3720 affect debugging warning for Mach-O.
3722 2006-07-07 James E Wilson <wilson@specifix.com>
3724 * config/mips/mips.md (cpu): Add sb1a.
3725 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3726 addition to sb1. Adjust comments to clarify SB-1A differences from
3728 (ir_sb1a_load): New. Modify bypasses to use it.
3729 (ir_sb1a_simple_alu): Likewise.
3730 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3731 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3732 (mips_issue_rate): Add PROCESSOR_SB1A.
3733 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3734 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3735 (TARGET_SB1): Add PROCESSOR_SB1A check.
3736 (TUNE_SB1): Likewise.
3738 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3739 * config/mips/mips.c (mips_store_data_bypass_p): New.
3740 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3741 store_data_bypass_p.
3743 2006-07-08 Paul Brook <paul@codesourcery.com>
3746 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3748 2006-07-07 Richard Guenther <rguenther@suse.de>
3751 * tree.h (build_one_cst): Declare.
3752 * tree.c (build_one_cst): New function.
3753 * tree-ssa-math-opts.c (get_constant_one): Remove.
3754 (insert_reciprocals): Use build_one_cst.
3755 * fold-const.c (fold_plusminus_mult): Likewise.
3757 2006-07-07 Roger Sayle <roger@eyesopen.com>
3759 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3760 * cfgloopanal.c (dump_graph): Likewise.
3761 * dojump.c (discard_pending_stack_adjust): Likewise.
3762 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3764 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3765 * function.c (finalize_block_changes): Likewise.
3766 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3767 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3768 * rtl.c (dump_rtx_statistics): Likewise.
3769 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3771 * varray.c (dump_varray_statistics): Likewise.
3772 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3773 decode_decimal64, encode_decimal128, decode_decimal128,
3774 decimal_real_to_decimal): Likewise.
3776 2006-07-07 Richard Guenther <rguenther@suse.de>
3778 PR tree-optimization/28187
3779 * tree-vrp.c (vrp_operand_equal_p): New function.
3780 (vrp_bitmap_equal_p): Likewise.
3781 (update_value_range): Use them to compare old and new
3784 2006-07-06 Roger Sayle <roger@eyesopen.com>
3786 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3787 a default case to switch statement to silence compiler warnings.
3789 2006-07-06 Roger Sayle <roger@eyesopen.com>
3792 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3793 the configured assembler supports the x87's ffreep mnemonic.
3794 * configure: Regenerate.
3795 * config.in: Regenerate.
3797 * config/i386/i386.c (output_387_ffreep): New function.
3798 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3799 (output_387_reg_move): Likewise.
3801 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3803 Port to hosts whose 'sort' and 'tail' implementations
3804 treat operands with leading '+' as file names, as POSIX
3805 has required since 2001. However, make sure the code still
3806 works on pre-POSIX hosts.
3807 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3808 which says you should use "tail -c +N" rather than "tail +Nc".
3809 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3811 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3813 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3816 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3819 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3820 PRE_{INC,DEC} of TFmode.
3822 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3823 Alan Modra <amodra@bigpond.net.au>
3826 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3829 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3832 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3833 Remove duplicate gtu.
3835 2006-07-05 Jason Merrill <jason@redhat.com>
3839 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3840 * c-common.c (handle_packed_attribute): So don't copy it here.
3841 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3843 2006-07-05 Mike Stump <mrs@apple.com>
3845 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3847 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3850 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3852 2006-07-05 Richard Guenther <rguenther@suse.de>
3855 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3856 TARGET_SSE2 targets if using SSE math.
3857 (*absdf2_1): Likewise.
3859 2006-07-05 Richard Guenther <rguenther@suse.de>
3861 PR tree-optimization/28162
3862 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3863 make sure to convert the operands to the correct type.
3865 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3867 PR tree-optimization/28218
3869 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3870 to calculate and free the dominator information.
3872 2006-07-04 Peter O'Gorman <peter@pogma.com>
3874 * mklibgcc.in: chmod 644 before ranlib during install.
3876 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3877 J"orn Rennecke <joern.rennecke@st.com>
3879 * configure.ac (.eh_frame data check): Use diff -b.
3881 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3884 * Makefile.in (BUILD_RTL): Add build/vec.o.
3885 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3886 (build/genextract): Delete.
3887 (build/genautomata): Likewise.
3889 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3892 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3893 128-bit IBM long doubles for ABI_V4.
3895 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3897 * tree.c (range_in_array_bounds_p): New predicate.
3898 * tree.h (range_in_array_bounds_p): Declare it.
3899 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3900 return a less conservative answer.
3901 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3902 and flag 'is_group'.
3903 (IS_ELEMENT_FOR_GROUP): New macro.
3904 (FOR_EACH_ACTUAL_CHILD): Likewise.
3905 (next_child_for_group): New helper function.
3906 (can_completely_scalarize_p): Take into account groups.
3907 (sra_hash_tree): Handle RANGE_EXPR.
3908 (sra_elt_eq): Likewise.
3909 (lookup_element): Be prepared for handling groups.
3910 (is_valid_const_index): Delete.
3911 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3912 instead of is_valid_const_index.
3913 <ARRAY_RANGE_REF>: New case.
3914 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3915 is_valid_const_index.
3916 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3917 (scan_dump): Dump info for groups too.
3918 (decide_instantiation_1): Likewise.
3919 (decide_block_copy): Assert that the element is not a group.
3920 Propagate decision to groups.
3921 (generate_one_element_ref): Handle RANGE_EXPR.
3922 (mark_no_warning): Iterate over actual childs.
3923 (generate_copy_inout): Likewise.
3924 (generate_element_copy): Likewise.
3925 (generate_element_zero): Likewise.
3926 (generate_element_init_1): Likewise.
3927 (dump_sra_elt_name): Handle RANGE_EXPR.
3929 2006-07-03 Roger Sayle <roger@eyesopen.com>
3931 PR tree-optimization/26251
3932 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3933 (thread_block): When optimizing for size refuse to thread jumps
3934 that would require duplication of blocks other than redirection
3937 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3939 * configure.ac: Fix thinko in previous check-in.
3940 * configure: Regenerate.
3942 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3945 * configure.ac (for lang...): Simplify nesting of conditionals.
3946 Test subdir_requires for non-enabled languages. Move processing
3947 of lang_opt_files and lang_tree_fiels below that test.
3948 * configure: Regenerate.
3949 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3951 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3953 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3955 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3957 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3960 2006-06-29 Jason Merrill <jason@redhat.com>
3967 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3968 * c-common.c (c_determine_visibility): Handle it here.
3969 * c-decl.c (finish_decl): Call c_determine_visibility for
3971 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3973 * varasm.c (default_assemble_visibility): Likewise.
3974 * c-common.c (handle_visibility_attribute): Complain about trying
3975 to give visibility to an already defined class, or trying to change
3976 declared visibility. Always attach the attribute.
3981 * attribs.c (decl_attributes): Ignore type-in-place attributes
3982 once the type has been defined.
3984 2006-06-29 Roger Sayle <roger@eyesopen.com>
3987 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3988 to indicate the cpplib has issued an error message for us.
3990 2006-06-29 Asher Langton <langton2@llnl.gov>
3993 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3994 insert a label at the end of an function under Mach-O.
3996 2006-06-29 Eric Christopher <echristo@apple.com>
3997 Evan Cheng <evan.cheng@apple.com>
3999 * predicates.md (vector_all_ones_operand): New.
4000 (nonimmediate_or_sse_const_operand): Ditto.
4001 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4002 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4003 (standard_sse_mode_p): Ditto.
4004 (standard_sse_constant_p): Add case for -1 vector.
4005 (ix86_expand_vector_move): Try to use.
4006 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4007 Call standard_sse_constant_opcode.
4008 (*movv4sf_internal): Ditto.
4009 (*movv2df_internal): Ditto.
4011 2006-06-29 Roger Sayle <roger@eyesopen.com>
4013 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4014 of XEXP to extract the operands of a MATCH_CODE rtx.
4016 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4018 * tree.c (tree_size): Do not waste tail padding in
4019 struct tree_string and make the size be the same as
4020 build_string will generate.
4022 2006-06-28 Jason Merrill <jason@redhat.com>
4025 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4026 may_aliases already in the tag's annotations to the bitmap.
4028 2006-06-28 Roger Sayle <roger@eyesopen.com>
4030 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4032 2006-06-28 Roger Sayle <roger@eyesopen.com>
4034 * genpreds.c (generate_switch_p): New function.
4035 (add_mode_tests): Push the new mode test down inside an AND expr
4036 if this allows the switch-suitable MATCH_CODE to be near the root.
4037 (write_match_code_switch): New function to write a MATCH_CODE as
4039 (write_predicate_stmts): New function to write a predicate RTX
4040 expression as a sequence of statements.
4041 (write_one_predicate_function): Use write_predicate_stmts.
4042 (write_tm_constrs_h): Likewise.
4044 2006-06-26 Fred Fish <fnf@specifix.com>
4046 * config/mips/t-sb1: New file.
4047 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4050 2006-06-26 DJ Delorie <dj@redhat.com>
4052 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4054 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4055 Jayant Sonar <jayants@kpitcummins.com>
4056 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4058 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4059 (subsi3, subsi3_1, subsi3_2): New.
4060 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4061 * config/m32c/mov.md (SI mov peephole): New.
4062 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4063 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4065 2006-06-26 Olivier Hainque <hainque@adacore.com>
4067 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4068 a CALL_EXPR target function declaration.
4070 2006-06-26 Richard Guenther <rguenther@suse.de>
4072 * tree.c (build_string): Do not waste tail padding in
4075 2006-06-26 Richard Guenther <rguenther@suse.de>
4077 * ggc-page.c (init_ggc): Add missing element to size_lookup
4081 2006-06-23 Richard Guenther <rguenther@suse.de>
4083 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4084 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4085 alignment requests instead. Add verification code.
4086 Add struct tree_function_decl and struct tree_binfo size to
4087 extra_order_size_table. Add missing element to size_lookup
4090 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4093 * fold-const.c (const_binop): Be prepared for self returning zero.
4094 Simplify code handling complex values.
4096 2006-06-24 Olivier Hainque <hainque@adacore.com>
4098 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4099 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4102 2006-06-24 Olivier Hainque <hainque@adacore.com>
4104 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4105 ARRAY_REF, so have the callback called for the low bound expression.
4107 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4109 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4110 * c-typeck.c (c_common_type): Disallow operations on decimal float
4111 types and other float types.
4112 * convert.c (convert_to_real): Don't ignore conversions involving
4113 decimal float types.
4115 2006-06-23 Olivier Hainque <hainque@adacore.com>
4117 * tree.c (max_int_size_in_bytes): New function, inspired from
4118 code in function.c:assign_temp.
4119 * tree.h (max_int_size_in_bytes): Declare.
4120 * function.c (assign_temp): Use it.
4121 * gimplify.c (create_tmp_var): Relax the assertions on the type
4122 properties, not mandating constant size any more.
4123 (force_constant_size): New static function.
4124 (gimple_add_tmp_var): Use it, forcing variable size to a
4125 constant upper bound if it is not constant on entry.
4127 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4130 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4131 for initialization and setting of one_only flag to ...
4132 (i386_pe_encode_section_info): ...here.
4133 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4134 Recheck that the symbol has not been defined.
4136 2006-06-23 Richard Guenther <rguenther@suse.de>
4138 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4139 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4140 alignment requests instead. Add verification code.
4141 Add struct tree_function_decl and struct tree_binfo size to
4142 extra_order_size_table. Add missing element to size_lookup
4145 2006-06-22 Roger Sayle <roger@eyesopen.com>
4146 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4149 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4150 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4152 2006-06-23 Ben Elliston <bje@au.ibm.com>
4154 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4155 negate dn -- manipulate it directly.
4157 2006-06-22 Roger Sayle <roger@eyesopen.com>
4158 Steven Bosscher <stevenb.gcc@gmail.com>
4161 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4162 generated by gen_move_insn to add REG_LABEL notes if necessary.
4164 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4166 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4167 (leaf_entry): Remove use of MIN_ESA.
4169 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4171 PR rtl-optimization/28121
4172 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4175 2006-06-21 DJ Delorie <dj@redhat.com>
4177 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4179 (mulhisi3_r): Likewise.
4181 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4184 * coverage.c (coverage_counter_alloc): Leave the index type
4186 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4189 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4191 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4192 section from the "Options for Code Generation Conventions".
4194 2006-06-21 Richard Henderson <rth@redhat.com>
4198 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4200 (global_symbolic_operand): Allow weak symbols, even if local_p.
4202 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4204 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4205 (find_interesting_uses_address): Punt if above function returns true.
4207 2006-06-21 Richard Guenther <rguenther@suse.de>
4209 * configure: Regenerated.
4211 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4213 * config/mips/mips.c (function_arg): Where one part of a
4214 complex argument is in registers and the other part in the stack,
4215 return a REG not a PARALLEL.
4217 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4219 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4220 when cross-compiling. Do not substitute libstdcxx_incdir.
4221 * configure: Regenerated.
4223 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4225 * varasm.c (mergeable_string_section): Check for embedded NULs and
4226 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4227 rather than TREE_STRING_LENGTH bytes.
4229 2006-06-21 Richard Guenther <rguenther@suse.de>
4231 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4232 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4235 2006-06-21 Richrad Guenther <rguenther@suse.de>
4237 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4238 Limit iteration over the dominators.
4240 2006-06-20 Roger Sayle <roger@eyesopen.com>
4242 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4243 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4245 2006-06-20 Richard Guenther <rguenther@suse.de>
4246 Michael Matz <matz@suse.de>
4248 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4250 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4251 * et-forest.h (et_free_pools): Prototype new function.
4252 * et-forest.c (et_free_tree_force): Free parent occurrence.
4253 (et_free_pools): New function.
4254 * dominance.c (free_dominance_info): Free et-forest alloc
4257 2006-06-20 Roger Sayle <roger@eyesopen.com>
4259 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4260 integer modes, attempt to directly construct an integer constant.
4262 * fold-const.c (native_encode_vector): Determine the size of each
4263 element from the vector type instead of the first vector element.
4265 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4266 if all of its elements/components are constant.
4267 (build_constructor_from_list): Likewise.
4269 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4271 PR tree-optimization/27331
4272 * tree-data-ref.c (free_data_ref): New function.
4273 (create_data_ref): Fail if the data reference has unknown access
4275 (free_data_refs): Use free_data_ref.
4277 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4280 * tree-inline.c (setup_one_parameter): Strip useless
4281 type conversion before adding it to the IR.
4282 (declare_return_variable): Likewise.
4284 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4287 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4289 2006-06-19 Mike Stump <mrs@apple.com>
4291 * tree.c (variably_modified_type_p): VM arguments don't make the
4294 2006-06-19 Richard Guenther <rguenther@suse.de>
4296 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4297 type conversions after folding.
4299 2006-06-19 Richard Guenther <rguenther@suse.de>
4301 * ggc-page.c (extra_order_size_tab): Add entries with
4302 size of struct function and basic_block.
4303 (size_lookup): Extend to cover sizes up to 511.
4304 (ggc_alloc_stat): Adjust user.
4305 (ggc_pch_count_object): Likewise.
4306 (ggc_pch_alloc_object): Likewise.
4307 (ggc_pch_write_object): Likewise.
4309 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4311 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4312 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4315 2006-06-19 Denis Chertykov <denisc@overta.ru>
4317 * config/avr/libgcc.S : Correct my wrong previous commit.
4319 2006-06-19 Roger Sayle <roger@eyesopen.com>
4322 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4323 have stripped a SUBREG from the shift count, so we may need to
4324 convert_to_mode back to the type's mode before calling make_tree.
4325 Use new_amount instead of amount to avoid expanding a tree twice.
4327 2006-06-19 Richard Guenther <rguenther@suse.de>
4330 * fold-const.c (operand_equal_p): Check if the argument types
4331 have the same precision before stripping NOPs.
4333 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4335 Fix PR tree-optimization/27341
4336 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4338 * tree-complex.c (pass_lower_complex): Update SMT usage.
4340 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4342 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4343 Add a new alternative to the constraint strings. Add move of
4344 operand 1 to 3 to the splitter definition.
4345 ("doloop_si_long"): Second contraint alternative removed.
4347 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4349 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4350 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4352 (AVR_HAVE_MOVW) Define.
4353 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4354 (ASM_SPEC): Add avr25.
4355 (LINK_SPEC): Add avr25.
4356 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4357 (base_arch_s): Add new member 'have_movw_lpmx'.
4358 (avr_arch_types): Init 'have_movw_lpmx'.
4359 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4360 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4361 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4362 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4363 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4365 (avr_file_start): Do not output '.arh' derective.
4366 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4367 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4368 * config/avr/avr.md (mcu_enhanced): Delete.
4369 (mcu_have_movw): Define.
4370 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4371 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4372 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4373 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4374 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4375 attiny861 and at86rf401 devices.
4377 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4379 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4382 2006-06-17 Karl Berry <karl@gnu.org>
4384 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4385 doc/gccint.texi, doc/install.texi (@dircategory): Use
4386 "Software development" instead of "Programming", following
4387 the Free Software Directory.
4389 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4391 * config/i386/i386.c (legitimate_tls_address)
4392 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4393 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4394 (*tls_dynamic_gnu2_combine_64): Likewise.
4396 2006-06-16 Richard Guenther <rguenther@suse.de>
4399 * fold-const.c (negate_expr_p): Do not introduce undefined
4400 overflow in negating INTEGER_CSTs.
4401 (fold_negate_expr): Rename from negate_expr. Revert last
4402 change for folding BIT_NOT_EXPR. Change semantics to
4403 return NULL_TREE for non-simplified negations. Do not
4404 strip type conversions and unify type handling.
4405 (negate_expr): New function, wrap around fold_negate_expr
4406 but ensure building a tree always. Strip type conversions
4407 here, fold to result type.
4408 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4410 2006-06-16 Roger Sayle <roger@eyesopen.com>
4413 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4414 that (would) return their results in stack registers.
4416 2006-06-16 Michael Matz <matz@suse.de>
4417 Richard Guenther <rguenther@suse.de>
4419 * fold-const.c (fold_truthop): Only return new tree node if
4420 we canonicalized something.
4422 2006-06-16 Richard Guenther <rguenther@suse.de>
4424 * function.h (enum function_frequency): Move declaration
4425 out of struct function.
4426 (struct function): Move bool fields and the enum to the bitfield
4427 section. Reorder elements to avoid padding. Remove unused
4428 fields left over from the RTL inliner removal.
4429 * function.c (free_after_compilation): Do not zero removed fields.
4430 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4431 (ipa-type-escape.o): Likewise.
4433 2006-06-16 Richard Guenther <rguenther@suse.de>
4435 * cgraph.h (struct cgraph_local_info): Turn bool elements
4437 (struct cgraph_node): Likewise.
4438 (struct cgraph_varpool_node): Likewise.
4440 2006-06-15 Richard Guenther <rguenther@suse.de>
4442 * fold-const.c (fold_truth_not_expr): Rename from
4443 invert_truthvalue. Give it fold_* semantics to avoid
4445 (invert_truthvalue): New function. Wrapper around
4446 fold_truth_not_expr.
4447 (optimize_minmax_comparison): Avoid creating garbage.
4448 (fold_unary): Use fold_truth_not_expr for folding
4450 (fold_ternary): Replace uses of invert_truthvalue with
4451 fold_truth_not_expr where applicable.
4452 * tree.h (fold_truth_not_expr): Prototype.
4454 2006-06-16 Richard Guenther <rguenther@suse.de>
4456 PR tree-optimization/27781
4457 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4458 * ipa-pure-const.c (target.h): Include.
4459 (analyze_function): Do not analyze functions that do not
4462 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4465 * tree-dfa.c (referenced_vars_dup_list): Remove.
4466 (find_referenced_vars): Remove assert.
4467 (referenced_var_check_and_insert): Replace dup list with assert.
4468 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4469 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4471 2006-06-15 Richard Guenther <rguenther@suse.de>
4473 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4474 extra unused identifiers if not dumping.
4475 (create_variable_info_for): Likewise.
4477 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4479 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4480 (derive_constant_upper_bound): Derive more precise upper bound in
4481 common cases. Return type changed to double_int.
4482 (record_estimate): Reflect the changed return type of
4483 derive_constant_upper_bound.
4484 * double-int.c (double_int_zext, double_int_sext): Fix.
4486 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4488 * configure.ac (CFLAGS): Get them from the toplevel or from the
4489 configure invocation.
4490 * configure: Regenerate.
4491 * Makefile.in (CFLAGS): Substitute value provided by configure.
4493 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4496 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4497 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4498 rather than calling add_stmt on it.
4499 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4501 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4504 * reload1.c (reload): Remove registers returned by update_eliminables
4505 from used_spill_regs.
4507 2006-06-13 DJ Delorie <dj@redhat.com>
4509 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4511 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4513 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4514 html__strip_dir, html__mkdir_p. Enhance install-html target.
4515 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4516 * configure: Regenerate.
4518 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4520 * fold-const.c (fold_cond_expr_with_comparison): Check for
4521 Objective-C++ as language in deciding COND_EXPR transformation.
4523 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4526 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4527 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4528 * config/sh/lib1funcs.h (SL, SL1): Define.
4529 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4530 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4531 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4532 (OBJS_Os_4_200): New variable.
4533 ($(T)libgcc-Os-4-200.a): Use it.
4534 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4535 when dividing 1 and/or by 0.
4537 2006-06-13 Roger Sayle <roger@eyesopen.com>
4539 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4540 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4541 * configure: Regenerate.
4543 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4545 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4546 for real instruction.
4548 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4551 * haifa-sched.c (check_cfg): Handle special case.
4553 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4556 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4557 Add debug_info parameter. Chain the vars to the BLOCK instead
4558 of the BIND_EXPR if debug info are requested for them.
4559 (pop_gimplify_context): Adjust for above change.
4560 (gimple_add_tmp_var): Likewise.
4561 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4563 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4564 (convert_local_reference): Likewise.
4565 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4566 (finalize_nesting_tree_1): Request that debug info be emitted
4567 for debug_var_chain.
4569 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4571 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4572 for PR target/27863.
4574 2006-06-13 Richard Guenther <rguenther@suse.de>
4577 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4579 2006-06-13 Richard Guenther <rguenther@suse.de>
4581 PR tree-optimization/27830
4582 * tree-inline.c (copy_body_r): For copying the operand
4583 of an ADDR_EXPR make sure to fold &* afterwards.
4585 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4587 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4588 lvalues in the fb_none case with side-effects.
4590 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4592 * tree-flow.h: Remove the prototype for
4593 compute_phi_arg_on_exit.
4594 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4595 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4598 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4600 * builtins.c (expand_builtin_return_addr): Only use
4601 frame_pointer_rtx when count == 0 and we are expanding
4602 __builtin_return_address.
4604 2006-06-12 Fred Fish <fnf@specifix.com>
4606 * config/mips/mips.c (mips_file_start): Create special section
4607 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4609 2006-06-11 Eric Christopher <echristo@apple.com>
4612 * stor-layout.c (place_field): Remove check for
4613 remaining_in_alignment when aligning at the end of a run.
4615 2006-06-11 Eric Christopher <echristo@apple.com>
4618 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4621 2006-06-11 Roger Sayle <roger@eyesopen.com>
4624 Revert incorrect fix for PR target/27158
4625 2006-05-08 Roger Sayle <roger@eyesopen.com>
4626 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4627 of a reg_equiv_constant if the result is a legitimate constant.
4629 2006-06-11 Roger Sayle <roger@eyesopen.com>
4632 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4633 extract a CONST_VECTOR element and interpret it as an integer.
4634 (vspltis_constant): Use const_vector_elt_as_int instead of the
4635 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4636 * config/rs6000/predicates.md (easy_vector_const): Consider
4637 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4639 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4642 * stor-layout.c (update_alignment_for_field): Don't add extra
4643 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4646 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4648 * config/mips/t-rtems: Add EL/EB multilib variants.
4650 2006-06-09 Mike Stump <mrs@apple.com>
4652 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4654 2006-06-09 David Daney <ddaney@avtrex.com>
4656 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4658 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4660 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4662 2006-06-09 Richard Guenther <rguenther@suse.de>
4664 PR tree-optimization/26998
4665 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4666 of signed types, only TYPE_MIN_VALUE is special, but for both,
4667 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4668 in this case, as is -fwrapv.
4670 2006-06-08 Mike Stump <mrs@apple.com>
4673 * config/darwin.c (darwin_asm_output_anchor): Disable
4674 -fsection-anchors on darwin for now.
4675 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4676 * rs6000/rs6000.c (optimization_options): Likewise.
4678 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4681 * config/i386/i386.c (classify_argument): Skip fields with invalid
4684 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4686 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4687 (cse_insn): Likewise for the stack_pointer_rtx.
4689 2006-06-08 Roger Sayle <roger@eyesopen.com>
4691 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4692 conditions from floating point comparisons.
4694 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4697 * expmed.c (struct alg_hash_entry): Fix type of field T
4698 to match synth_mult argument.
4699 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4701 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4704 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4707 2006-06-08 Richard Guenther <rguenther@suse.de>
4710 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4711 only, if overflow is defined and not trapping.
4712 (negate_expr): Likewise.
4714 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4716 PR tree-optimization/27872
4717 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4718 flag on the new exit edge of the unrolled loop.
4720 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4722 PR rtl-optimization/26449
4723 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4725 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4728 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4729 referenced_variables with matching DECL_UID's.
4730 (find_referenced_vars): Make sure duplicate list is empty to start.
4731 (referenced_var_p): Remove.
4732 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4733 Check if var is in the list, and add if needed. Update the duplicate
4734 list if a different var is in the list with the same DECL_UID.
4735 (add_referenced_var): Call routine to check and insert.
4736 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4737 * tree-flow.h (referenced_vars_dup_list): External declaration.
4739 2006-06-07 Fred Fish <fnf@specifix.com>
4741 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4744 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4747 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4748 the imaginary and real parts of a clobbered register.
4749 Emit insn to set the imaginary part.
4751 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4753 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4754 in lieu of unwind-dw2-fde.c.
4756 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4758 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4760 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4763 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4764 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4765 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4766 V4SImode temporaries and operations instead.
4768 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4770 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4773 2006-06-06 Mike Stump <mrs@apple.com>
4775 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4776 installing during build.
4778 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4780 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4782 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4783 * config/ia64/ia64.c (params.h): New header.
4784 (ia64_optimization_options): New function to adjust parameters.
4785 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4786 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4787 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4789 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4791 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4793 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4796 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4798 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4799 Victor Kaplansky <victork@il.ibm.com>
4801 PR tree-optimization/26360
4802 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4805 2006-06-04 Roger Sayle <roger@eyesopen.com>
4806 Andrew Pinski <pinskia@physics.uc.edu>
4809 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4810 for LABEL_DECL before calling DECL_WEAK.
4813 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4814 LABEL_DECL and PARM_DECL.
4816 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4820 * c-decl.c (grokdeclarator): Disallow variably modified types at
4821 file scope. Avoid marking shared array type of constant size as
4824 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4827 * c-common.c (fold_offsetof_1): Handle static members.
4829 2006-06-04 Eric Christopher <echristo@apple.com>
4831 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4832 (debug_rli): Output value for remaining_in_alignment.
4833 (update_alignment_for_field): Unconditionalize
4834 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4835 extra alignment code.
4836 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4837 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4838 * tree.h (record_layout_info_s): Remove prev_packed.
4839 * doc/extend.texi (ms_struct): Add documentation of format.
4841 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4843 * tree.h: Declare folding_initializer.
4844 * builtins.c (fold_builtin_constant_p): Give definite answer
4845 if folding inside an initializer.
4846 * fold-const.c: Define folding_initializer.
4847 (START_FOLD_INIT): Save and then set folding_initializer.
4848 (END_FOLD_INIT): Restore folding_initializer.
4850 2006-06-04 Richard Guenther <rguenther@suse.de>
4852 PR tree-optimization/27039
4853 * fold-const.c (fold_comparison): Handle pointer comparison
4854 again for all comparison codes. Compare offsets in signed
4856 (fold_binary): Move code from here.
4858 2006-06-03 Roger Sayle <roger@eyesopen.com>
4861 * config/i386/i386.c (construct_container): Split static issued_error
4862 flag into issued_sse_arg_error, issued_sse_ret_error and
4863 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4864 requires the use of x87 registers and the user explicitly
4865 specified the -mno-80387 command line option.
4867 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4869 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4870 HAVE_DECL_SIGALTSTACK.
4872 (segv_handler): Use MC_FLD.
4873 * configure.ac: Check for a sigaltstack declaration.
4874 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4875 * configure: Regenerate.
4876 * config.in: Regenerate.
4878 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4881 * Makefile.in (stmp-fixinc): Fix typo.
4883 2006-06-02 Roger Sayle <roger@eyesopen.com>
4885 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4886 are type correct. Clean-up.
4887 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4888 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4890 2006-06-01 DJ Delorie <dj@redhat.com>
4892 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4893 shift, as we've disabled the "switch" insn that needs it.
4895 2006-06-01 Per Bothner <bothner@bothner.com>
4897 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4898 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4899 * c-ppoutput.c (cb_define): Don't increment line 0.
4901 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4903 * doc/invoke.texi: Add cpu_type power6.
4904 * config.gcc: Add cpu_type power6.
4905 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4906 to power5+ with Altivec.
4907 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4908 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4910 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4912 * config/avr/avr.h (SET_ASM_OP): Define.
4914 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4916 * config/bfin/bfin.c: Fix comment typos.
4918 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4921 * doc/install.texi: Document --enable-bootstrap and
4922 --disable-bootstrap.
4924 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4926 * doc/install.texi: Document that InfoZIP can replace jar.
4928 2006-05-31 Roger Sayle <roger@eyesopen.com>
4930 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4931 isn't available, directly generate the simpler x87 patterns without
4932 the (use (const_int 0)).
4933 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4934 implementation isn't available.
4935 (*negdf2_1): Likewise.
4936 (*negxf2_1): XF mode negation is always done using the x87.
4937 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4939 2006-05-31 Roger Sayle <roger@eyesopen.com>
4941 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4942 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4944 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4946 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4948 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4949 * config/bfin/bfin.c (basic-block.h): Include.
4950 (struct machine_function): New.
4951 (bfin_init_machine_status): New.
4952 (override_options): Initialize init_machine_status.
4953 (bfin_hardware_loop): New.
4954 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4955 (DEF_VEC_P (loop_info)): New.
4956 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4957 (struct loop_info): New.
4958 (loop_info): New typedef.
4959 (struct loop_work): New.
4960 (loop_work): New typedef.
4961 (DEF_VEC_O (loop_work)): New.
4962 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4963 (bfin_dump_loops): New.
4964 (bfin_bb_in_loop): New.
4965 (bfin_scan_loop): New.
4966 (bfin_optimize_loop): New.
4967 (bfin_reorg_loops): New.
4968 (bfin_reorg): Use bfin_reorg_loops.
4969 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4971 (I_REGNO_P): Simplify.
4972 (DP_REGNO_P, DPREG_P): New macros.
4973 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4974 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4975 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4976 Add LT_REGS, LC_REGS, LB_REGS.
4977 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4979 (REGNO_REG_CLASS): Deal with loop registers.
4980 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4982 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4983 New constants for loop registers.
4984 (UNSPEC_LSETUP_END): New.
4985 (seq_insns): New define_attr. Set it for appropriate insns.
4986 (movsi_insn): Add alternatives for move from/to
4987 loop count registers.
4988 (doloop_end): New define_expand.
4989 (loop_end): New define_insn.
4990 (define_split for bad doloop_end): New.
4991 (lsetup_with_autoinit): New define_insn.
4992 (lsetup_without_autoinit): New define_insn.
4993 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4994 * config/bfin/predicates.md (lc_register_operand): New.
4995 (lt_register_operand): New.
4996 (lb_register_operand): New.
4997 (nondp_register_operand): New.
4998 (nondp_reg_or_memory_operand): New.
4999 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5001 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5003 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5004 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5006 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5008 * Makefile.in (CATALOGS): Add po/ prefix.
5009 * configure: Regenerated.
5011 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5014 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5015 a shift operand before calling shift_op. Avoid redundant call of
5018 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5019 DJ Delorie <dj@redhat.com>
5021 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5022 we're inserting is a singlt-bit constant.
5024 2006-05-30 Roger Sayle <roger@eyesopen.com>
5026 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5027 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5029 2006-05-30 Roger Sayle <roger@eyesopen.com>
5031 PR tree-optimization/23452
5032 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5033 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5034 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5035 complex values and with -ffast-math for FP complex values.
5037 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5039 * c-common.h: Remove the prototype for yyparse.
5040 * rtl.h: Remove the prototype for init_loop.
5042 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5044 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5047 2006-05-30 Roger Sayle <roger@eyesopen.com>
5049 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5051 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5052 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5054 2006-05-30 Dirk Mueller <dmueller@suse.de>
5057 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5058 for CONSTANT_CLASS_P expresisons.
5060 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5063 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5065 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5067 PR tree-optimization/27779
5068 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5069 initial_condition instead of CHREC_LEFT.
5071 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5073 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5074 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5075 Make prototypes ISO C90.
5077 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5078 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5080 * see.c (see_analyze_one_def): Correct check.
5081 (see_get_extension_data): Check if extension is parallel.
5082 (see_get_extension_reg): Likewise.
5084 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5087 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5088 into register for (code == GTU).
5090 2006-05-29 Roger Sayle <roger@eyesopen.com>
5092 PR tree-optimization/24964
5093 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5094 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5095 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5096 abs(x)*abs(x) as x*x for scalar floating point modes.
5098 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5101 * lambda-code.c (perfect_nestify): Don't copy statements
5102 in the inner loop: move them to the inner loop header.
5104 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5107 * c-tree.texi: Document OpenMP directives and clauses.
5109 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5111 * varasm.c (globalize_decl): Fix indentation.
5113 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5116 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5117 pass_fre, pass_store_ccp, pass_copy_prop,
5118 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5119 pass_return_slot, pass_object_size, pass_lim,
5120 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5121 pass_loop_prefetch and pass_stdarg.
5123 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5125 * config/bfin/bfin.opt (mfdpic): New option.
5126 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5127 (EXTRA_MULTILIB_PARTS): Likewise.
5128 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5129 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5131 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5132 (CRT_CALL_STATIC_FUNCTION): New.
5133 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5135 (CRT_CALL_STATIC_FUNCTION): New.
5136 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5138 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5139 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5140 (initialize_trampoline): Changed to handle FD-PIC code generation.
5141 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5142 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5143 (override_options): Disallow -mid-shared-library -mfdpic combination.
5144 Can't do unaligned ops if FD-PIC.
5145 Turn off flag_pic if trying to generate non-id-shared-library
5146 non-fdpic code, since it's not supported.
5147 (bfin_assemble_integer): New function.
5148 (TARGET_ASM_INTEGER): Define.
5149 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5151 * config/bfin/crtn.s: Restore them.
5152 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5154 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5155 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5156 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5157 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5158 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5160 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5161 FDPIC_REGS and FDPIC_FPTR_REGS.
5162 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5163 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5164 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5165 (load_funcdescsi): New pattern.
5166 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5167 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5168 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5170 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5172 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5175 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5177 * tree-flow.h: Remove the prototype for add_type_alias.
5178 * tree-ssa-alias.c (add_type_alias): Remove.
5180 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5182 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5183 config/fr30/fr30.md, config/i386/i386-interix.h,
5184 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5185 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5186 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5187 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5188 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5189 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5190 Follow spelling conventions.
5191 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5192 Follow spelling conventions.
5194 2006-05-27 Richard Guenther <rguenther@suse.de>
5197 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5198 to produce a constant of value 1 of generic type.
5200 2006-05-27 Dirk Mueller <dmueller@suse.de>
5202 * cgraphunit.c (decide_is_function_needed): Fix wrong
5205 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5207 PR rtl-optimization/27661
5208 * reload.c (find_reloads): When reloading a VOIDmode constant
5209 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5210 use Pmode as mode of the reload register.
5212 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5214 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5215 is enabled at -O and above.
5217 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5220 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5223 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5226 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5227 for anonymous variables explicitly declared by front ends.
5229 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5231 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5232 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5233 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5234 ref-all pointers, run a finalization pass for them.
5235 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5236 (finalize_ref_all_pointers): New function.
5237 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5238 regular pointer type to a ref-all pointer type.
5239 (get_tmt_for): Return the special memory tag for ref-all pointers.
5241 2006-05-25 Richard Guenther <rguenther@suse.de>
5244 * fold-const.c (fold_binary): Do not look at the stripped
5245 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5247 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5249 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5250 for LT and GT if the computed range is effectively empty.
5252 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5255 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5256 mips_quad_format formats instead of ieee_single_format,
5257 ieee_double_format and ieee_quad_format formats, respectively.
5259 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5261 PR tree-optimization/27639
5262 PR tree-optimization/26719
5263 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5264 call to scev_probably_wraps_p.
5265 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5266 used_in_pointer_arithmetic_p, convert_step): Removed.
5267 (nowrap_type_p): New function.
5268 (scev_probably_wraps_p): Rewritten.
5269 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5270 chrec_convert if chrec_convert_aggressive might have been used.
5271 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5272 scev_direction): New functions.
5273 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5274 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5275 instead of convert_step.
5276 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5277 (convert_step): Declaration removed.
5278 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5280 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5282 * df-core.c: Added to header comments.
5283 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5284 df_ur_bb_info, df_urec_bb_info): Added comments.
5285 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5286 urec, ri problems): Fixed header comments.
5287 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5288 code from df_rd_transfer_function.
5290 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5292 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5293 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5294 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5296 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5298 * expr.c (undefined_operand_subword_p): New.
5299 (emit_move_multi_word): Do not generate move from undefined bits
5300 of a paradoxical subreg.
5302 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5304 PR rtl-optimization/27736
5305 * combine.c (replaced_rhs_value): New variable.
5306 (combine_instructions): Set it.
5307 (distribute_notes): When distributing a note in replaced_rhs_insn,
5308 check whether the value was used in replaced_rhs_value.
5310 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5313 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5314 add_referenced_var instead of add_referenced_tmp_var.
5315 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5316 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5318 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5319 tree_optimize_tail_calls_1): Use add_referenced_var.
5320 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5321 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5322 Use add_referenced_var.
5323 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5324 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5325 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5326 Use add_referenced_var.
5327 * tree-dfa.c (struct walk_state): Remove.
5328 (find_referenced_vars): Remove walk state and vars_found hash table.
5329 (make_rename_temp): Use add_referenced_var.
5330 (find_vars_r): Pass less parameters to add_referenced_var.
5331 (referenced_var_p): New. Is var in referenced_var hash table.
5332 (referenced_var_insert): Assert var isn't already in hash table.
5333 (add_referenced_var): Don't need walk_state parameter. Add var if it
5334 isn't already in the hash table.
5335 (add_referenced_tmp_var): Remove.
5336 (find_new_referenced_vars_1): Use add_referenced_var.
5337 * tree-ssa-pre.c (create_expression_by_pieces,
5338 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5339 Use add_referenced_var.
5340 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5341 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5342 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5344 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5345 vect_create_data_ref_ptr, vect_create_destination_var,
5346 vect_init_vector, vect_build_loop_niters,
5347 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5348 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5349 Use add_referenced_var.
5350 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5351 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5352 (add_referenced_var): Add prototype.
5353 * tree-ssa-structalias.c (get_constraint_for,
5354 intra_create_variable_infos): Use add_referenced_var.
5356 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5358 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5359 big-endian paradoxical subregs.
5360 * var-tracking.c (struct micro_operation_def): Document that,
5361 for modify micro operations, insn is the subsequent instruction.
5362 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5363 (var_reg_set, var_mem_set): ... new functions.
5364 (add_stores): Record subsequent insn.
5365 (compute_bb_dataflow): Use new functions for MO_USE.
5366 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5367 notes after the insn, and modify notes before the insn known
5368 to be the subsequent one.
5369 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5371 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5374 * config/i386/i386.c (ix86_expand_builtin): Use
5375 gen_sse3_monitor64 for TARGET_64BIT.
5377 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5379 PR rtl-optimization/26375
5380 PR rtl-optimization/26855
5381 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5383 (df_ru_bb_local_compute): Reversed statements and removed bogus
5384 comment explaining why they should be in wrong order.
5385 (df_ru_dump, df_rd_dump): Enhanced debug info.
5386 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5388 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5389 reaching uses and fixed space problem.
5391 2006-05-23 Jan Hubicka <jh@suse.cz>
5393 * cgraphunit.c (decide_is_function_needed): Also nested functions
5394 and functions declared inline can be optimized out at -O0.
5396 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5398 * doc/install.texi (Configuration): Remove reference to CrossGCC
5402 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5405 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5406 ix86_compare_emitted is non-NULL.
5408 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5411 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5414 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5416 PR rtl-optimization/25514
5417 * combine.c (replaced_rhs_insn): New variable.
5418 (combine_instructions): Set replaced_rhs_insn when trying to replace
5419 a SET_SRC with a REG_EQUAL note.
5420 (distribute_notes): Use replaced_rhs_insn when determining the live
5421 range of a REG_DEAD register.
5423 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5424 Anatoly Sokolov <aesok@post.ru>
5426 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5427 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5428 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5429 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5430 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5431 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5432 at90usb647, at90usb1286 and at90usb1287 devices.
5433 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5434 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5436 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5438 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5440 2006-05-22 Richard Guenther <rguenther@suse.de>
5443 2006-01-31 Richard Guenther <rguenther@suse.de>
5444 Paolo Bonzini <bonzini@gnu.org>
5446 * doc/install.texi (--disable-libgcc-math): Document.
5448 2006-05-22 Richard Guenther <rguenther@suse.de>
5451 2006-01-31 Richard Guenther <rguenther@suse.de>
5453 * doc/invoke.texi (-msselibm): Document.
5454 * target.h (expand_library_builtin): New target hook.
5455 * builtins.c (expand_builtin): Use expand_library_builtin.
5456 (default_expand_library_builtin): New function.
5457 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5458 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5459 (link_gcc_math_spec): Declare.
5460 (static_specs): Add link_gcc_math_spec.
5461 * expr.h (default_expand_library_builtin): Declare.
5462 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5463 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5464 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5465 * config/i386/i386.opt (msselibm): New target option.
5466 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5467 (ix86_init_sse_abi_builtins): New function.
5468 (ix86_expand_library_builtin): Likewise.
5469 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5470 (override_options): Handle error conditions wrt -msselibm.
5471 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5472 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5473 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5476 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5479 * c-common.c (self_promoting_args_p): Skip erroneous args.
5482 * c-decl.c (finish_struct): Skip erroneous fields.
5484 2006-05-22 Nick Clifton <nickc@redhat.com>
5486 * config/cris/cris.opt (march): Remove VarExists attribute.
5487 (max-stackframe=): Likewise.
5489 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5491 * doc/rtl.texi: Fix a typo.
5492 * see.c: Fix comment typos.
5494 * tree-ssa-structalias.h (alias_info): Remove num_references.
5496 2006-05-21 Mike Stump <mrs@apple.com>
5498 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5500 (darwin_pragma_options): Use BAD instead.
5501 (darwin_pragma_unused): Likewise.
5502 (darwin_pragma_ms_struct): Likewise.
5504 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5506 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5508 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5510 PR rtl-optimization/27671
5511 * simplify-rtx.c (simplify_relational_operation_1): Fix
5512 simplifications of (eq/ne (xor x y) y) and
5513 (eq/ne (xor x y) x).
5515 PR tree-optimization/26622.
5516 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5519 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5521 * tree-cfg.c: Prune whitespace.
5522 (debug_tree_cfg): Point to correct header containing the
5525 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5528 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5530 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5533 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5534 or sorry count is non zero.
5536 2006-05-20 Andreas Schwab <schwab@suse.de>
5538 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5540 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5541 Kenneth Zadeck <zadeck@naturalbridge.com>
5543 PR rtl-optimization/26855
5545 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5547 (df_scan_alloc): Added code to properly handle multiword hard
5548 registers and add all_blocks parameter.
5549 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5550 code to properly handle multiword hard registers.
5551 (df_rescan_blocks): Added code to remove deleted blocks from
5553 (df_ref_create_structure, df_ref_record): Added code to properly
5555 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5556 and set DF_REF_PARTIAL.
5557 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5558 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5559 (df_scan_add_problem): Added flags parameter.
5560 (df_ref_create_structure): Changed switching structure.
5561 (df_bb_refs_record): Fixed case where duplicate artificial refs
5562 were created. Changed location of flags.
5563 (df_record_entry_block_defs): Added code to make stack pointer
5564 live in entry block. Refined cases where frame pointer is needed.
5565 Changed location of flags.
5566 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5567 (df_set_state): Removed function.
5568 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5569 df_insn_create_insn_record, df_insn_refs_delete,
5570 df_ref_create_structure): Formatting changes.
5571 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5572 df_delete_basic_block): New function.
5573 (df_init): Changed location of flags.
5574 (df_add_problem): Added flags parameter and the way flags are
5576 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5577 debug_df_chain): Improved debugging output.
5578 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5579 (df_refs_chain_dump): Removed df parameter.
5580 (df_iterative_dataflow): Added consistency check.
5581 (df_prune_to_subcfg): Made public.
5582 (df_analyze_problem): Added blocks_to_init parameter and made
5584 (df_ref_record, df_bb_refs_record, df_mark_reg,
5585 df_record_exit_block_uses): Whitespace changes.
5586 (df_dump): Whitespace changes.
5587 * df.h: Some reordering to remove forward references.
5588 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5589 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5590 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5591 (dataflow.flags): New field.
5592 (df.flag): Deleted field.
5593 (df_alloc_function): Added additional bitmap parameter.
5594 (df_dependent_problem_function): New type.
5595 (df_problem.changeable_flags): New field.
5596 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5597 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5598 (df_mw_hardreg): New struct.
5599 (DF_INSN_UID_MWS): New macro.
5600 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5602 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5603 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5604 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5605 (df_set_state): Removed function.
5606 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5607 * df-problems.c (df_chain_dump): Removed df parameter.
5608 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5609 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5611 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5612 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5613 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5614 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5615 DF_REF_MUST_CLOBBER cases.
5616 (df_ru_bb_local_compute_process_def,
5617 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5618 df_lr_bb_local_compute, df_ur_bb_local_compute,
5619 df_chain_create_bb): Made subreg aware.
5620 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5621 df_lr_bb_local_compute, df_lr_bb_local_compute,
5622 df_chain_create_bb): Cleanup to use proper macros.
5623 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5624 code to fixup bitvectors.
5625 (df_ri_alloc): Cleared lifetime.
5626 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5627 df_create_unused_note): New function.
5628 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5629 REG_DEAD and REG_UNUSED notes as well as register information.
5630 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5631 df_chains_dump): Fixed crash if problem was never run.
5632 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5633 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5634 df_ri_add_problem): Processes flags in uniform manner.
5635 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5636 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5637 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5638 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5639 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5640 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5641 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5642 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5643 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5644 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5645 * see.c (see_initialize_data): Ditto.
5646 * final.c (rest_of_clean_state) Added regstack_completed.
5647 * rtl.h (regstack_completed): Ditto.
5648 * reg-stack.c (regstack_completed): Ditto.
5650 2006-05-19 Mike Stump <mrs@apple.com>
5652 * c-tree.h (default_conversion): Remove.
5653 * c-common.h (default_conversion): Add.
5655 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5657 * tree-vrp.c (valid_value_p): New function.
5658 (adjust_range_with_scev): Fail if the value of bound is not
5661 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5663 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5664 (mips_fallback_frame_state): Use syscall numbers to determine
5665 the appropriate li instruction for the current ABI. Only use
5666 __NR_sigreturn for o32.
5668 2006-05-19 Nicolas Setton <setton@adacore.com>
5670 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5671 * langhooks.c (lhd_dwarf_name): New function.
5672 * langhooks-def.h (lhd_dwarf_name): Declare.
5673 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5674 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5675 * ada/misc.c (gnat_dwarf_name): New function.
5676 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5678 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5680 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5682 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5683 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5684 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5685 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5686 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5687 determine the size of Wtype, etc.
5688 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5689 (swfloatfuncs): New variable.
5690 (dwfloatfuncs): Likewise.
5691 (lib2funcs): Remove floating-point conversion functions from
5692 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5693 the set of conversion routines needed. Allow entries to specify
5694 an object name, filename and word size. Update users accordingly.
5695 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5696 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5700 2006-02-08 Roger Sayle <roger@eyesopen.com>
5703 * config/fixtfdi.c: New libgcc source file.
5704 * config/fixunstfdi.c: New source file.
5705 * config/floatditf.c: New source file.
5706 * config/floatunditf.c: New souce file.
5707 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5708 files above instead of config/mips/_tilib.c.
5709 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5711 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5713 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5714 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5716 2006-05-18 Mike Stump <mrs@apple.com>
5718 Fix up vla, vm and [*] sematics.
5724 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5725 (c_vla_unspec_p): Add.
5726 (c_vla_type_p): Add.
5727 * c-decl.c (struct c_scope): Add had_vla_unspec.
5728 (build_array_declarator): Add support for [*].
5729 (grokdeclarator): Likewise.
5730 (grokparms): Likewise.
5731 (get_parm_info): Likewise.
5732 * c-objc-common.c (c_vla_unspec_p): Likewise.
5733 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5734 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5735 typeof when argument is a variably modified type not inside sizeof or alignof.
5736 (c_parser_direct_declarator_inner): Propagate errors.
5737 (c_parser_sizeof_expression): Add support for [*].
5738 (c_parser_parms_declarator): Initialize had_vla_unspec.
5739 (c_parser_parms_list_declarator): Likewise.
5740 * c-typeck.c (c_vla_type_p): Add.
5741 (composite_type): Add support for vla compositing.
5742 (comptypes_internal): Add support for vla compatibility.
5743 (c_expr_sizeof_expr): Evaluate vla arguments.
5744 * tree.c (variably_modified_type_p): Update comment for [*].
5746 2006-05-18 Michael Matz <matz@suse.de>
5749 * config.host: Make assignments to host_xmake_file cumulative.
5750 * config.host (*-darwin*): Test $host, not $target.
5752 2006-05-12 Stuart Hastings <stuart@apple.com>
5754 * config/i386/i386.opt (-mstackrealign): New flag.
5755 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5756 (ix86_handle_cconv_attribute): Emit error when
5757 force_align_arg_pointer attribute collides with too many regparms.
5758 (ix86_function_regparm): Limit regparms when used with
5759 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5760 Support stack-realigning prologue in non-main functions. Emit
5761 warning for nested functions under -mstackrealign, emit error for
5762 nested functions with force_align_arg_pointer attribute.
5763 * doc/extend.texi (force_align_arg_pointer): Document it.
5764 * doc/invoke.texi (-mstackrealign): Document it.
5766 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5768 PR rtl-optimization/27477
5769 * combine.c (try_combine): Don't split a parallel consisting
5770 of two sets into two individual sets if both sets reference
5773 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5775 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5776 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5778 * doc/options.texi (VarExists): Updated.
5780 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5782 * unwind-dw2.c: Add declarations for uw_update_context and
5784 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5785 detected, advance frame state and context once to skip over stub.
5787 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5791 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5792 Call rewrite_into_loop_closed_ssa only when something changed.
5793 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5794 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5795 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5796 Test for perfect_nest_p here. Fix formating.
5797 (replace_uses_equiv_to_x_with_y): Fix formating.
5798 (stmt_uses_op): Removed.
5799 (can_convert_to_perfect_nest): Removed loopivs parameter.
5800 Complete the test by checking the scalar dependences.
5801 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5804 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5807 From Dan Kegel <dank@kegel.com>:
5808 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5810 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5812 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5813 if the element type is variably modified without recursing.
5815 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5818 * tree-loop-linear.c (try_interchange_loops): Test for
5819 no data dependences.
5821 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5823 PR tree-optimization/27548
5824 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5825 range of ssa names that appear on abnormal edges.
5826 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5827 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5829 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5832 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5834 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5837 * tree.h (OMP_PARALLEL_COMBINED): Define.
5838 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5839 (new_omp_context): Add is_combined_parallel argument.
5840 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5841 new_omp_context caller.
5842 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5843 Adjust gimplify_scan_omp_clauses callers.
5844 (omp_is_private): Issue errors if iteration variable is firstprivate
5845 or reduction in the current context.
5846 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5847 on combined parallel workshare constructs.
5849 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5851 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5852 (gcc-options.o): New rule.
5854 * optc-gen.awk: Protect variables for gcc-options.o with
5855 #ifdef GCC_DRIVER/#endif.
5857 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5859 Fix PR tree-optimization/27373
5860 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5861 (forward_propagate_addr_expr): Update call.
5863 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5865 * doc/options.texi: Move the Negative option.
5867 2006-05-16 Richard Guenther <rguenther@suse.de>
5869 PR tree-optimization/22303
5870 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5872 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5873 ccp_fold did not simplify the statement.
5875 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5878 * Makefile.in (GCC_OBJS): New.
5879 (OBJS-common): Add opts-common.o.
5880 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5881 (cpp$(exeext)): Likewise.
5882 (gcc.o): Also depend on opts.h.
5883 (opts-common.o): New.
5885 * common.opt (gcoff): Add Negative(gdwarf-2).
5886 (gdwarf-2): Add Negative(gstabs).
5887 (gstabs): Add Negative(gstabs+).
5888 (gstabs+): Add Negative(gvms).
5889 (gvms): Add Negative(gxcoff).
5890 (gxcoff): Add Negative(gxcoff+).
5891 (gxcoff+): Add Negative(gcoff).
5892 * config/i386/i386.opt (m32): Add Negative(m64).
5893 (m64): Add Negative(m32).
5895 * doc/options.texi: Document the Negative option.
5897 * gcc.c: Include "opts.h".
5898 (main): Call prune_options after expandargv.
5900 * optc-gen.awk: Generate common declarations for all flag
5901 variables in options.c. Output the neg_index field.
5903 * opts.c (find_opt): Moved to ...
5904 * opts-common.c: Here. New file.
5906 * opts.h (cl_option): Add a neg_index field.
5908 (prune_options): Likewise.
5910 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5913 * omp-low.c (expand_omp_parallel): Don't assert
5914 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5915 instead search for it.
5918 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5921 2006-05-16 Andreas Schwab <schwab@suse.de>
5923 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5926 2006-05-15 Roger Sayle <roger@eyesopen.com>
5929 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5930 integer constants other than zero are only legitimate on TARGET_64BIT.
5931 <CONST_VECTOR> Only zero vectors are legitimate.
5932 (ix86_cannot_force_const_mem): Integral and vector constants can
5933 always be put in the constant pool.
5935 2006-05-16 DJ Delorie <dj@redhat.com>
5937 * crtstuff.c (__dso_handle): Set section from
5938 TARGET_LBIGCC_SDATA_SECTION if defined.
5939 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5940 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5942 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5945 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5948 2006-05-16 Ben Elliston <bje@au.ibm.com>
5950 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5952 2006-05-15 Per Bothner <per@bothner.com>
5954 * tree.c: (last_annotated_node): Use source_locus typedef.
5955 This permits bootstrapping with --enable-mapped-location.
5957 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5959 PR tree-optimization/26830
5960 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5961 (info_for_ssa_name, current_info_for_ssa_name_age,
5962 blocks_to_update): New variables.
5963 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5964 (clear_ssa_name_info, initialize_flags_in_bb,
5965 mark_block_for_update): New functions.
5966 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5967 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5968 prepare_def_site_for): Use mark_block_for_update.
5969 (mark_def_interesting): Assert that the processed block is marked in
5970 blocks_to_update. Do not take blocks argument.
5971 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5973 (rewrite_update_init_block, rewrite_update_stmt): Only process
5974 blocks with statements to rewrite.
5975 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5976 (update_ssa): Initialize and free blocks_to_update. Do not
5977 clear flags on statements. Do not use blocks bitmap.
5978 * tree.h (SSA_NAME_AUX): Removed.
5979 (struct tree_ssa_name): Removed aux field.
5980 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5982 2006-05-15 Richard Guenther <rguenther@suse.de>
5984 PR tree-optimization/27603
5985 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5986 Do computations in original type.
5988 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5990 * see.c: Code style changes such as redundant paranthesis,
5991 redundant intialization of local variables etc.
5992 (see_main): Declared now as static.
5993 * doc/invoke.texi: Update that -fsee is not enabled by
5996 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5998 * omp-low.c (check_omp_nesting_restrictions): New function.
5999 (scan_omp_1): Call it.
6002 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6003 construct, return *VAR.
6005 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6007 PR rtl-optimization/27406
6008 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6011 2006-05-14 Roger Sayle <roger@eyesopen.com>
6013 PR rtl-optimization/27538
6014 * combine.c (expand_compound_operation): Call gen_lowpart
6015 before calling simplify_shift_const.
6017 2006-05-14 Roger Sayle <roger@eyesopen.com>
6019 PR rtl-optimization/22563
6020 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6021 a fixed width bitfield, always force the intermediates into psuedos.
6023 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6026 * mkconfig.sh: Use operator = instead of == for test.
6028 2006-05-13 Nick Clifton <nickc@redhat.com>
6030 * dwarf2out.c (dbx_reg_number): Check return value from
6031 LEAF_REG_REMAP and only use it if it is valid.
6032 (multiple_reg_loc_descriptor): Likewise.
6034 2006-05-13 Richard Guenther <rguenther@suse.de>
6036 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6039 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6041 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6042 information attached to non-INSNs such as NOTEs.
6043 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6045 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6047 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6049 * config/s390/s390.md: Adjust comment describing On constraint.
6051 2006-05-11 Jan Hubicka <jh@suse.cz>
6053 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6054 to be output at -O0.
6056 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6059 * fold-const.c (size_binop): Move sanity check for arguments to
6060 the beginning of the function.
6063 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6066 2006-05-11 Richard Guenther <rguenther@suse.de>
6069 * fold-const.c (fold_unary): Handle intermediate conversion
6070 to a pointer type like intermediate conversion to an integer
6071 type in folding of (T1)(T2)var to var.
6072 Match the code to the comment in the final conversion for
6073 (T1)(T2)var to (T1)var regarding to type precision. Rather
6074 than disallow T1 being of pointer type, assert that both T1
6075 and var are of pointer type or not. Make sure not to fall
6076 over the frontends lazyness wrt array to pointer decay though.
6078 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6080 * arm.c (arm_struct_value_rtx): Delete.
6081 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6082 (arm_init_cumulative_args): Always initialize nregs to zero.
6084 2006-05-10 Richard Guenther <rguenther@suse.de>
6086 PR tree-optimization/27532
6087 * tree-object-size.c (plus_expr_object_size): Fix typo.
6089 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6092 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6093 ashrdi_const, ashrdi3): Use a scratch register.
6095 2006-05-10 Richard Guenther <rguenther@suse.de>
6097 PR tree-optimization/27302
6098 * fold-const.c (operand_equal_p): For two comparisons,
6099 try comparison of one comparison code swapped if that yields
6102 2006-05-10 Ben Elliston <bje@au.ibm.com>
6104 * tree-pretty-print.c (pretty_print_string): No need to handle
6105 '\0' as a special character.
6107 * tree.h: Include "hashtab.h".
6108 (iterative_hash_expr): Use hashval_t in its prototype.
6109 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6111 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6114 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6115 (hppa*64*-*-hpux11*): Ditto.
6116 (hppa[12]*-*-hpux11*): Ditto.
6118 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6121 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6123 2006-05-09 Michael Matz <matz@suse.de>
6125 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6126 host_extra_gcc_objs and host_xmake_file.
6127 (<*-*-linux*>): Don't overwrite host_xmake_file.
6128 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6129 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6130 (host_detect_local_cpu): Declare.
6131 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6132 * config/i386/i386.c (override_options): Handle -mtune=native
6134 * config/i386/x-i386: New file.
6135 * config/i386/driver-i386.c: New file.
6136 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6139 2006-05-09 Dirk Mueller <dmueller@suse.de>
6140 Richard Guenther <rguenther@suse.de>
6143 * fold-const.c (fold_read_from_constant_string): Relax check
6144 for matching types to matching modes.
6146 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6148 PR rtl-optimization/27335
6149 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6152 2006-05-08 Chao-ying Fu <fu@mips.com>
6153 Richard Sandiford <richard@codesourcery.com>
6155 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6156 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6157 * config/mips/mips.md (UNSPEC_SCC): New constant.
6158 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6159 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6160 (mips_emit_compare): Use it.
6161 (mips_expand_vcondv2sf): New function.
6163 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6165 Fix PR tree-optimization/27093
6166 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6167 renaming when they become not-used_alone.
6169 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6171 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6172 relocation and relocation stubs.
6174 2006-05-08 Eric Christopher <echristo@apple.com>
6176 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6179 2006-05-08 Jan Hubicka <jh@suse.cz>
6182 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6183 unused static functions are needed.
6185 2006-05-08 Roger Sayle <roger@eyesopen.com>
6188 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6189 of a reg_equiv_constant if the result is a legitimate constant.
6191 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6194 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6195 standard 80387 constants, raise the cost to prevent
6196 compress_float_constant() to generate load from memory.
6198 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6200 * config/arm/constraints.md (c): Fix a typo.
6202 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6205 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6208 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6210 (_mm_mwait): Likewise.
6212 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6214 (sse3_monitor): Make it 32bit only.
6215 (sse3_monitor64): New. 64bit monitor.
6217 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6220 * config/i386/i386.c (classify_argument): Skip fields with invalid
6223 2006-05-07 Richard Guenther <rguenther@suse.de>
6225 PR tree-optimization/27409
6226 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6227 Do not try to find zero-sized subvars.
6229 2006-05-07 Richard Guenther <rguenther@suse.de>
6231 PR tree-optimization/27136
6232 * tree-ssa-loop-niter.c (get_val_for): Correct function
6233 comment, assert requirements.
6234 (loop_niter_by_eval): Stop processing if the iterated
6235 value did not simplify.
6237 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6239 * opts.c (flag_see): remove its setting at -O3.
6241 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6243 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6244 * arm/constraints.md: New file.
6245 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6246 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6247 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6248 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6249 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6250 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6251 * arm.md: Include constraints.md.
6252 (thumb_movsi_insn): Use satisfies_constraint_J.
6253 (movhi, movqi): Use satisfies_constraint_I.
6255 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6257 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6258 for atmeg a645 device.
6260 2006-05-06 Richard Guenther <rguenther@suse.de>
6262 PR tree-optimization/27151
6263 * tree-vect-transform.c (vectorizable_condition): Punt on
6264 values that have a different type than the condition.
6266 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6269 * c-parser.c (c_parser_cast_expression): Only insert casts into
6270 hash table if pointer.
6271 * function.c (used_types_insert_helper): Rename from
6273 (used_types_insert): Call used_types_insert_helper.
6274 * function.h (used_types_insert): Accept only one argument.
6276 2006-05-05 David Edelsohn <edesohn@gnu.org>
6278 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6279 scratch with output modifier.
6281 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6284 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6285 with output modifier.
6287 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6290 * config/mips/mips.c (mips_symbolic_address_p): Return true
6291 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6292 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6294 2006-05-04 Richard Guenther <rguenther@suse.de>
6296 PR tree-optimization/14287
6297 PR tree-optimization/14844
6298 PR tree-optimization/19792
6299 PR tree-optimization/21608
6300 PR tree-optimization/27090
6301 * tree-ssa-pre.c (try_combine_conversion): New function.
6302 (compute_avail): After constructing the value-handle
6303 expression, use try_combine_conversion to combine NOP_EXPRs
6304 with previous value-handle expressions and use the result if it
6307 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6309 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6311 2006-05-04 Jan Hubicka <jh@suse.cz>
6314 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6316 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6318 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6319 that this only matches CONST_INTs. All users changed to VOIDmode
6322 * config/bfin/bfin.c: Include "optabs.h".
6323 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6325 (enum bfin_builtins): Add a number of fractional and vector builtins.
6326 (bfin_init_builtins): Likewise.
6327 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6328 (safe_vector_operand, bfin_expand_binop_builtin,
6329 bfin_expand_unop_builtin): New functions.
6330 (bfin_expand_builtin): Handle the new builtins.
6331 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6334 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6337 * Makefile.in (OBJS-common): Add see.o.
6338 (see.o): Add dependencies.
6339 * common.opt (fsee): New flag for the see optimization was added.
6340 * opts.c (flag_see): Initialized.
6341 * passes.c (init_optimization_passes, pass_see): New pass.
6342 * rtl.h (see_main): Declaration as extern.
6343 * timevar.def (TV_SEE): New.
6344 * tree-pass.h (pass_see): Declaration as extern.
6345 * invoke.texi (-fsee): Document.
6346 * recog.c (validate_simplify_insn): New function.
6347 * recog.h (validate_simplify_insn): Declaration as extern.
6348 * df-problems.c (df_chain_dump): Check for NULL.
6350 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6351 Daniel Berlin <dberlin@dberlin.org>
6353 * cfgrtl.c (insert_insn_bb_end_new): New function.
6354 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6356 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6358 * df.h (struct web_entry): Moved from web.c.
6359 (union_defs): Declaration as extern.
6360 (unionfind_root): Likewise.
6361 (unionfind_union): Likewise.
6362 * web.c (struct web_entry): Moved to df.h.
6363 (unionfind_root): Remove static declaration.
6364 (unionfind_union): Likewise.
6365 (union_defs): Likewise and generalize to use callback function.
6366 (web_main): Update arguments for union_defs function call.
6368 2006-05-04 Richard Guenther <rguenther@suse.de>
6370 PR tree-optimization/26447
6371 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6372 produce SSA_NAME copies before the store stmt to avoid
6373 breaking exception handling.
6375 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6378 * gimplify.c (omp_is_private): If var is shared in some outer context,
6379 return false instead of true. Stop searching on parallel context
6382 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6385 * coverage.c: Use get_gcov_unsigned_t() instead of
6386 unsigned_type_node all over.
6388 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6390 PR tree-optimization/27381
6391 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6392 maintain the same immediate_use links.
6393 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6394 node rather than segfaulting.
6396 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6399 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6400 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6401 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6403 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6405 Fix PR tree-optimization/26626
6406 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6408 * tree-ssa-operands.c (access_can_touch_variable): Allow
6409 typecasting through union pointers.
6411 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6414 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6415 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6416 to find if var will be a global variable even in the nested context.
6417 (omp_copy_decl): Only check for global variable at the end, it might
6418 be overridden in outer contexts.
6419 (scan_sharing_clauses): For global variables don't create a field.
6420 (lower_rec_input_clauses): Do nothing for global shared variables.
6421 Emit a barrier at the end of ILIST if there were any decls in both
6422 firstprivate and lastprivate clauses.
6423 (lower_send_clauses): Do nothing for global variables except for
6426 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6428 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6429 of the correct signedness is returned.
6431 2006-05-02 Jeff Law <law@redhat.com>
6433 PR tree-optimization/27364
6434 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6435 multiply expressions.
6437 2006-05-02 Tom Tromey <tromey@redhat.com>
6439 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6441 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6444 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6445 -mthumb -fPIC are used.
6447 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6448 Joshua Kinard <kumba@gentoo.org>
6451 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6452 with 64-bit pointers.
6454 2006-05-02 Paul Brook <paul@codesourcery.com>
6456 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6458 (create_fix_barrier): Check that a suitable barrier location is
6460 (arm_reorg): Include ftmp->address in allowable range of addresses.
6462 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6465 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6468 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6471 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6472 around RESULT_DECL for result passed by reference.
6473 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6474 * omp-low.c (use_pointer_for_field): Don't look at
6475 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6476 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6477 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6478 time or var for passing by reference for
6479 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6480 TREE_ADDRESSABLE variables when passing by reference.
6482 * omp-low.c (dump_omp_region): Fix output formatting.
6485 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6486 (expand_omp_parallel): Likewise.
6487 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6490 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6491 on statement list containing also constructors and destructors.
6492 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6495 * except.c (duplicate_eh_regions): Fix clearing of
6496 cfun->eh->region_array entries.
6498 2006-05-01 DJ Delorie <dj@redhat.com>
6500 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6502 (gcc_cv_objdump): Likewise.
6503 * configure: Regenerated.
6505 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6508 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6509 templates for case 3 and 4.
6511 2006-05-01 DJ Delorie <dj@redhat.com>
6513 * vec.c: Include bconfig.h when appropriate.
6514 * Makefile.in (build/vec.o): Adjust dependencies.
6515 * mkconfig.sh: Make sure config.h isn't used for build machine
6518 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6520 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6522 (mark_phi_for_rewrite): New function.
6523 (insert_phi_nodes_for, mark_use_interesting): Call
6524 mark_phi_for_rewrite.
6525 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6526 (update_ssa): Initialize and free phis_to_rewrite.
6528 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6530 PR rtl-optimization/27291
6531 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6532 folded to a constant.
6534 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6536 PR tree-optimization/27283
6537 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6538 not whole # of iteration descriptions.
6539 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6540 uses abnormal ssa name.
6541 (niter_for_single_dom_exit): Ditto.
6542 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6543 return just the number of iterations.
6545 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6547 PR tree-optimization/27144
6548 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6549 (record_estimate): Only record constant upper bound.
6550 (infer_loop_bounds_from_undefined): Call
6551 compute_estimated_nb_iterations just once.
6552 (proved_non_wrapping_p): Renamed to ...
6553 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6554 (convert_step_widening, scev_probably_wraps_p): Call
6555 n_of_executions_at_most instead of proved_non_wrapping_p.
6556 (substitute_in_loop_info): Do not replace values in bounds.
6557 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6560 2006-05-01 Richard Henderson <rth@redhat.com>
6563 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6564 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6567 2006-05-01 Roger Sayle <roger@eyesopen.com>
6569 * c-typeck.c (parser_build_binary_op): Don't call the function
6570 unsigned_conversion_warning to spot operand/result type overflow.
6571 (build_binary_op): Instead, call convert_and_check instead of
6572 convert to report the problem when the operands are promoted.
6573 * c-common.c (unsigned_conversion_warning): Make static.
6574 * c-common.h (unsigned_conversion_warning): Delete prototype.
6576 2006-05-01 Richard Guenther <rguenther@suse.de>
6578 PR tree-optimization/26726
6579 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6581 (find_interesting_uses_address): ... we work around here
6582 by folding INDIRECT_REFs in the substituted base.
6584 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6586 * omp-low.c (dump_omp_region): Add newlines.
6588 2006-04-30 Roger Sayle <roger@eyesopen.com>
6590 * common.opt (Woverflow): New command line option.
6591 * c-common.c (constant_expression_warning): Check warn_overflow.
6592 (overflow_waring): Pass OPT_Woverflow to warning.
6593 (unsigned_conversion_warning): Likewise.
6594 (convert_and_check): Likewise.
6595 * doc/invoke.texi: Document new command line option.
6597 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6599 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6600 TARGET_NO_FP_IN_TOC for section anchors.
6601 (optimization_options): Enable section anchors for all
6602 non-"Objective" languages.
6604 2006-04-28 Eric Christopher <echristo@apple.com>
6606 * config/darwin-c.c (darwin_ms_struct): Move this
6607 (darwin_set_default_type_attributes): and this...
6608 * config/darwin.c: ... here.
6609 * config/darwin.h (darwin_ms_struct): Declare.
6611 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6613 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6615 2006-04-28 Roger Sayle <roger@eyesopen.com>
6618 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6619 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6620 an unsigned HOST_WIDE_INT.
6621 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6623 (really_start_incremental_init): No need to call convert because
6624 bitsize_zero_node is already of type bitsizetype.
6625 (push_init_level): Extract the value of constructor_index as an
6626 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6627 (process_init_element): Likewise.
6629 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6631 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6632 value before passing to make_relative_prefix.
6634 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6637 * builtins.c (expand_builtin_memset): Expand val in original mode.
6639 2006-04-27 Eric Christopher <echristo@apple.com>
6641 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6642 with #ifndef/#endif.
6643 * config/darwin-c.c (darwin_ms_struct): New.
6644 (darwin_pragma_ms_struct): Ditto.
6645 (darwin_set_default_type_attributes): Ditto.
6646 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6647 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6648 Register ms_struct pragma.
6649 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6650 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6651 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6652 darwin_set_default_type_attributes if TARGET_MACHO.
6654 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6656 PR tree-optimization/26854
6657 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6658 * doc/tree-ssa.texi: Update immuse iterator documentation.
6659 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6660 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6661 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6662 first_safe_imm_use, next_safe_imm_use): Remove.
6663 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6664 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6665 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6666 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6667 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6668 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6669 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6670 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6671 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6672 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6673 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6674 (perfect_nestify): Use new iterator.
6675 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6677 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6678 (next_imm_name): New field in struct immediate_use_iterator_d.
6679 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6680 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6681 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6682 * tree-cfg.c (replace_uses_by): Use new iterator.
6683 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6684 * tree-ssa-operands.c (correct_use_link): Remove.
6685 (finalize_ssa_use_ops): No longer call correct_use_link.
6687 2006-04-27 Stuart Hastings <stuart@apple.com>
6689 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6690 * config/t-darwin (crt3.o): Use it.
6691 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6692 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6693 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6694 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6695 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6698 2006-04-27 Roger Sayle <roger@eyesopen.com>
6700 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6701 size, force the intermediate into a new pseudo rather instead of
6702 performing both a bitwise AND and a bitwise IOR in memory.
6704 2006-04-27 Richard Guenther <rguenther@suse.de>
6706 PR rtl-optimization/26685
6707 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6708 this one "max-flow-memory-locations".
6710 2006-04-27 Richard Guenther <rguenther@suse.de>
6712 PR tree-optimization/25148
6713 * tree-vrp.c (compare_values): Remove code dealing with
6714 comparisons against type min/max value. Honour overflow
6715 and negative constants in code dealing with comparisons
6716 of plus and minus expressions.
6717 (value_inside_range): Use fold_binary with LE_EXPR and
6718 GE_EXPR rather than compare_values.
6720 2006-04-27 Dirk Mueller <dmueller@suse.de>
6722 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6725 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6727 * basic-block.h (safe_insert_insn_on_edge): Removed.
6728 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6730 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6731 Paolo Bonzini <bonzini@gnu.org>
6734 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6735 (simplify_and_const_int): Same.
6737 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6739 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6741 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6744 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6745 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6746 cgraph_global_info_ready.
6749 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6752 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6753 either decl or init is error_mark_node.
6756 * tree-flow.h (struct omp_region): Add sched_kind.
6757 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6758 instead of extracting omp for data.
6759 (expand_omp_for): Save extracted sched_kind.
6761 2006-04-25 Roger Sayle <roger@eyesopen.com>
6763 * expmed.c (store_bit_field): Also check whether the bitsize is
6764 valid for the machine's "insv" instruction before moving the
6765 target into a pseudo for use with the insv.
6766 * config/i386/predicates.md (const8_operand): New predicate.
6767 * config/i386/i386.md (extv, extzv, insv): Use the new
6768 const8_operand predicate where appropriate.
6770 2006-04-25 DJ Delorie <dj@redhat.com>
6772 * doc/install.texi (Specific): Clarify that this is not a list of
6773 supported hosts or targets.
6775 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6777 PR rtl-optimization/26725
6778 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6779 block's BB_DIRTY flag.
6781 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6783 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6786 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6787 to print an integer.
6789 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6791 * varasm.c (align_variable): New function.
6792 (get_block_for_decl): Apply align_variable to DECL before
6793 calculating section information.
6794 (assemble_variable): Split out alignment computation.
6796 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6798 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6801 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6803 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6804 MODE_PARTIAL_INT mode.
6805 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6806 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6808 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6809 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6811 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6813 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6815 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6816 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6817 MACFLAG_IH): Likewise.
6818 (movstricthi_1): Renamed from "*movstricthi".
6819 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6820 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6821 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6822 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6823 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6824 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6825 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6826 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6827 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6828 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6829 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6830 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6831 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6832 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6833 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6835 * doc/rtl.texi (ss_ashift): Improve wording.
6837 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6839 * dwarf2out.c (verify_marks_clear): New.
6840 (prune_unused_types): Call verify_marks_clear initially, not
6843 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6845 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6846 * doc/rtl.texi: Document them.
6847 * simplify-rtx.c (simplify_unary_operation,
6848 simplify_binary_operation_1): Don't abort when we see them.
6850 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6853 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6854 * configure.ac: Completely disregard languages that are not
6856 * configure: Regenerated.
6858 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6859 Richard Guenther <rguenther@suse.de>
6861 PR tree-optimization/27236
6862 * tree-inline.c (copy_body_r): Make sure to copy
6863 TREE_THIS_VOLATILE flag.
6865 2006-04-24 Richard Guenther <rguenther@suse.de>
6868 * tree-complex.c (update_parameter_components): Don't handle
6869 unused parameters which have no default def.
6871 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6872 Richard Guenther <rguenther@suse.de>
6874 PR tree-optimization/27218
6875 * tree-inline.c (expand_call_inline): Strip useless type
6876 conversions for the return slot address.
6878 2006-04-24 Richard Guenther <rguenther@suse.de>
6880 * cfgloop.h (struct loops): Remove unused field array. Reorder
6882 (LOOP_PREFETCH): Remove.
6884 2006-04-24 Richard Guenther <rguenther@suse.de>
6886 PR tree-optimization/22525
6887 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6888 variable, adjust types of generated expressions.
6890 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6892 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6893 (tree-vect-patterns.o): Likewise.
6895 (cselib.o): Likewise.
6896 (loop-doloop.o): Likewise.
6897 (regclass.o): Likewise.
6898 (reload1.o): Likewise.
6899 (explow.o): Replace target.h with $(TARGET_H).
6900 (ipa-prop.o): Likewise.
6901 (ipa-cp.o): Likewise.
6902 (ipa-inline.o): Likewise.
6903 (reorg.o): Likewise.
6904 (reg-stack.o): Likewise.
6906 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6908 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6910 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6912 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6914 * configure.ac: Completely disregard languages that are not
6916 * configure: Regenerated.
6919 * c-common.h (c_build_bitfield_integer_type): Declare.
6920 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6921 * c-common.c (c_build_bitfield_integer_type): ... here.
6923 2006-04-23 Roger Sayle <roger@eyesopen.com>
6926 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6927 a SImode SUBREG of a floating point register after no_new_pseudos.
6929 2006-04-23 Roger Sayle <roger@eyesopen.com>
6931 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6932 identify potentially eliminable registers to additionally catch
6933 VIRTUAL_INCOMING_ARGS_REGNUM.
6934 (addsi3): Update the conditions on when to use addsi_small_int.
6936 2006-04-23 Roger Sayle <roger@eyesopen.com>
6939 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6940 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6941 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6943 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6945 * fold-const.c (range_predecessor): Use operand_equal_p
6946 as the predicate for equality.
6947 (range_successor): Likewise.
6949 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6952 * config/soft-fp/op-common.h: Fix a typo.
6954 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6957 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6958 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6960 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6962 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6964 * doc/tm.texi: Fix a typo.
6966 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6968 * dwarf2out.c (struct die_struct): Document that die_sib makes
6969 a circular linked list.
6970 (FOR_EACH_CHILD): New.
6971 (reverse_die_lists): Delete.
6972 (reverse_all_dies): Delete.
6973 (add_dwarf_attr): Correct documentation.
6974 (remove_child_with_prev): New.
6975 (remove_child_TAG): Update for change to die_struct, use
6976 remove_child_with_prev.
6977 (add_child_die): Update for change to die_struct.
6978 (splice_child_die): Use remove_child_with_prev and add_child_die.
6979 (print_die): Use FOR_EACH_CHILD.
6980 (die_checksum): Likewise.
6981 (assign_symbol_names): Likewise.
6982 (output_location_lists): Likewise.
6983 (build_abbrev_table): Likewise.
6984 (calc_die_sizes): Likewise.
6985 (mark_dies): Likewise.
6986 (unmark_dies): Likewise.
6987 (unmark_all_dies): Likewise.
6988 (output_die): Likewise.
6989 (prune_unused_types_mark): Likewise.
6990 (prune_unused_types_walk): Likewise.
6991 (same_die_p): Update for change to die_struct.
6992 (break_out_includes): Likewise.
6993 (prune_unused_types_prune): Likewise.
6994 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6995 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6997 (dwarf2out_finish): Don't call reverse_all_dies.
6999 2006-04-21 Eric Christopher <echristo@apple.com>
7001 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7002 in comments and function names.
7004 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7007 * c-typeck.c (digest_init): Robustify.
7009 * c-typeck.c (pop_init_level): Simplify.
7011 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7013 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7015 2006-04-21 Paul Brook <paul@codesourcery.com>
7017 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7018 hardware floating point.
7020 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7022 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7025 2006-04-21 Nick Clifton <nickc@redhat.com>
7027 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7030 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7033 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7034 C++ lang type in traceback table for Objective-C++.
7036 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7038 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7040 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7042 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7045 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7046 were errors. Remove check for erroneous objects.
7048 2006-04-20 Jeff Law <law@redhat.com>
7050 PR tree-optimization/26854
7051 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7052 checking for zero or one use.
7053 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7054 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7055 * tree-ssa-reassoc.c (negate_value): Similarly.
7056 (reassociate_bb): Similarly.
7058 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7060 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7061 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7062 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7064 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7066 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7067 fp regs if the last fp arg doesn't fit in regs.
7069 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7072 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7073 that the last insn has the REG_INC note.
7075 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7076 Nathan Sidwell <nathan@codesourcery.com>
7079 * stor-layout.c (update_alignment_for_field): Do not align
7081 (place_union_field): Place union field at the start of the union.
7082 (place_field): Move ERROR_MARK check later, and use the current
7083 allocation position to maintain monotonicity.
7085 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7087 * dominance.c: Include timevar.h.
7088 (calculate_dominance_info): Use TV_DOMINANCE.
7089 * timevar.def (TV_DOMINANCE): New timevar.
7090 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7092 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7094 PR rtl-optimization/14261
7095 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7096 move would be an INSV insn.
7097 (noce_process_if_block): Don't optimize if the destination is a
7098 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7100 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7102 * config/s390/s390.md: Add comments with the instructions emitted
7103 by an insn pattern if macros are used.
7105 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7107 PR rtl-optimization/26026
7108 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7109 is a known power of two shifted left a variable amount.
7111 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7113 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7114 to hash table twice when the debug_str section has SECTION_MERGE.
7116 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7118 * config/soft-fp: New directory. From glibc.
7119 * config/soft-fp/t-softfp: New.
7120 * config/soft-fp/README: New.
7121 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7122 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7123 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7124 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7125 * config.gcc: Use rs6000/t-fprules-fpbit or
7126 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7128 * config/rs6000/sfp-machine.h: New. Based on glibc.
7129 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7131 * config/rs6000/t-fprules: Remove fp-bit rules.
7132 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7133 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7134 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7135 (softfp_wrap_start, softfp_wrap_end): New.
7137 2006-04-18 DJ Delorie <dj@redhat.com>
7139 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7141 2006-04-18 Devang Patel <dpatel@apple.com>
7143 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7145 2006-04-18 Nick Clifton <nickc@redhat.com>
7147 * config/sh/t-symbian: Add rule to build sh-c.o
7148 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7149 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7150 (sh_symbian_encode_section_info): Likewise.
7152 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7154 * builtins.c (expand_builtin_strcmp): Cover label definition of
7155 do_libcall with HAVE_cmpstrnsi.
7157 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7159 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7161 * function.h (temp_slot_p): New.
7162 (function): Change the type of x_used_temp_slots to
7163 VEC(temp_slot_p,gc) *.
7165 2006-04-18 Nick Clifton <nickc@redhat.com>
7167 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7168 flag_strength_reduce.
7170 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7172 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7176 Partial revert of revision 112637
7177 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7178 Dale Johannesen <dalej@apple.com>
7181 * regclass.c (struct reg_pref): Update documentation.
7182 (regclass): Set prefclass to NO_REGS if memory is the best option.
7183 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7185 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7187 PR tree-optimization/26821
7188 * tree-ssa-math-opts.c (get_constant_one): New.
7189 (insert_reciprocals): Use it.
7191 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7193 * dwarf2out.c (free_AT): Delete.
7194 (remove_AT): Update string ref counts.
7195 (remove_child_TAG): Don't call free_die.
7197 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7198 or DW_TAG_GNU_EINCL.
7199 (prune_unused_types_walk_attribs): Reset string refcounts.
7200 (prune_unused_types_update_strings): New.
7201 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7202 call free_die. Do call prune_unused_types_update_strings.
7203 (prune_unused_types): Empty debug_str_hash.
7205 2006-04-17 Roger Sayle <roger@eyesopen.com>
7207 * expr.c (expand_assignment): Optimize away no-op moves where the
7208 source and destination are equal and have no side-effects.
7210 2006-04-17 Richard Guenther <rguenther@suse.de>
7213 * reload.c (push_reload): Guard calls to get_secondary_mem
7216 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7218 * alias.c (reg_base_value, old_reg_base_value): Change the
7219 type to VEC(rtx,gc) *.
7220 (REG_BASE_VALUE, find_base_value, record_set,
7221 init_alias_analysis): Use VEC instead of VARRAY.
7223 * alias.c (alias_sets): Change the type to
7224 VEC(alias_set_entry,gc) *.
7225 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7226 VEC instead of VARRAY.
7227 (last_alias_set): Remove.
7229 * cgraph.h (cgraph_edge_p): New.
7230 Update the prototype of cgraph_function_versioning.
7231 * cgraphunit.c (cgraph_copy_node_for_versioning,
7232 cgraph_function_versioning): Use VEC instead of VARRAY.
7233 * ipa-cp.c (ipcp_insert_stage): Likewise.
7235 2006-04-16 Roger Sayle <roger@eyesopen.com>
7238 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7239 "A op B" or "A op C", we may need to convert A to the type of B and C.
7241 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7243 * target.h (struct gcc_target): Add mode_rep_extended.
7244 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7245 (init_num_sign_bit_copies_in_rep): Initialize it using
7247 (truncate_to_mode): Use it.
7248 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7249 * targhooks.h (default_mode_rep_extended): Declare it.
7250 * targhooks.c (default_mode_rep_extended): Define it.
7251 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7252 default_mode_rep_extended.
7253 (TARGET_INITIALIZER): Include it.
7254 * doc/tm.texi (Misc): Document it.
7255 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7256 (mips_truncated_to_mode): New function.
7258 2006-04-16 Roger Sayle <roger@eyesopen.com>
7261 * expr.c (compress_float_constant): Copy the narrow constant into
7262 a new pseudo before extending it to its final width.
7264 2006-04-16 Roger Sayle <roger@eyesopen.com>
7265 Andrew Pinski <pinskia@gcc.gnu.org>
7266 Dale Johannesen <dalej@apple.com>
7269 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7270 special case code to implement V8HImode and V16QImode with SSE2.
7272 2006-04-15 Roger Sayle <roger@eyesopen.com>
7274 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7275 trees are constructed with a suitable tree type.
7277 2006-04-15 Roger Sayle <roger@eyesopen.com>
7279 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7280 (integer_onep): Likewise.
7281 (integer_all_onesp): Likewise.
7282 (integer_pow2p): Likewise.
7283 (integer_nonzerop): Likewise.
7284 (real_zerop): Likewise.
7285 (real_onep): Likewise.
7286 (real_twop): Likewise.
7287 (real_minus_onep): Likewise.
7288 (int_size_in_bytes): Likewise.
7289 (host_integerp): Likewise.
7291 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7293 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7294 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7295 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7297 * tree-ssa-structalias.h (alias_info): Remove num_references.
7299 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7301 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7302 (output_bvb patterns): Likewise.
7303 * pa.c (output_bb): Use 'bb' insn for long branch case.
7304 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7305 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7306 1. Correct length operand for alternatives 1 and 2.
7307 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7308 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7310 2006-04-14 Roger Sayle <roger@eyesopen.com>
7312 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7313 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7314 were accidentally reverted by r112959.
7316 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7319 * except.h (eh_region_outermost): New prototype.
7320 * except.c (eh_region_outermost): New function.
7321 * tree-cfg.c (find_outermost_region_in_block): Use it.
7323 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7325 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7327 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7328 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7329 (init_reload, reload): Use VEC instead of VARRAY.
7330 * reload.h: Update the prototype for
7331 reg_equiv_memory_loc_varray.
7333 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7334 Eric Botcazou <ebotcazou@libertysurf.fr>
7336 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7339 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7342 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7343 to expand fallback builtin function call.
7345 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7348 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7349 and emit libcall here in case the builtin fails.
7350 (expand_builtin_strcmp): Always emit the libcall here on failure.
7352 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7354 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7355 * flow.c (reg_n_info): Change the type to
7356 VEC(reg_info_p,heap) *.
7357 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7359 * regs.h (reg_info_p): New.
7360 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7361 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7362 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7365 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7367 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7369 * params.h (MAX_SCHED_READY_INSNS): New macro.
7370 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7371 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7372 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7373 the ready list for 1 cycle during the first scheduling pass.
7374 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7376 2006-04-13 Richard Henderson <rth@redhat.com>
7379 * gimple-low.c (lower_omp_directive): Remove dead code.
7380 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7381 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7382 * omp-low.c (struct omp_region): Move to tree-flow.h.
7383 (root_omp_region): Export.
7384 (omp_regions, lookup_omp_region): Remove.
7385 (determine_parallel_type): Update for struct omp_region changes.
7386 (dump_omp_region): Dump regions with block numbers.
7387 (new_omp_region): Take type and block instead of stmt; malloc
7389 (free_omp_region_1, free_omp_regions): New.
7390 (expand_parallel_call): Take entry_stmt as argument; update for
7391 changes to omp_region.
7392 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7393 (remove_exit_barriers): New.
7394 (expand_omp_parallel): Update for struct omp_region changes.
7395 (expand_omp_synch): Likewise.
7396 (expand_omp): Likewise.
7397 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7398 (expand_omp_for_static_chunk): Likewise.
7399 (expand_omp_for): Likewise.
7400 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7401 (expand_omp_sections): Similarly, with GOMP_sections_end.
7402 (expand_omp_single): New.
7403 (build_omp_regions_1): Update for OMP_CONTINUE.
7404 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7405 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7406 OMP_SECTIONS_SECTIONS.
7407 (lower_omp_single_simple): Don't emit barrier here.
7408 (lower_omp_single_copy): Likewise.
7409 (lower_omp_single): Fix bindings, and lower to straightline now.
7410 (lower_omp_master, lower_omp_ordered): Likewise.
7411 (lower_omp_critical): Likewise.
7412 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7413 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7414 omp edges, free it afterward.
7415 (make_omp_sections_edges): Remove.
7416 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7417 (move_stmt_r): Handle OMP_CONTINUE.
7418 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7419 statement pointers to basic blocks. Add type member.
7420 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7421 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7422 * tree-inline.c (estimate_num_insns_1): Likewise.
7423 * tree-pretty-print.c (dump_generic_node): Likewise.
7424 * tree-ssa-operands.c (get_expr_operands): Likewise.
7425 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7426 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7427 (OMP_CONTINUE): New.
7428 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7429 (OMP_SECTIONS_SECTIONS): Remove.
7430 (OMP_SECTION_LAST): New.
7431 (OMP_RETURN_NOWAIT): New.
7433 2006-04-13 Roger Sayle <roger@eyesopen.com>
7435 * fold-const.c (native_encode_vector, native_interpret_real):
7436 Correct obvious mistakes in the previous check-in.
7438 2006-04-13 Roger Sayle <roger@eyesopen.com>
7440 * fold-const.c (native_encode_expr): New function to encode
7441 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7442 or VECTOR_CST into a specified buffer.
7443 (native_encode_int): New function.
7444 (native_encode_real): New function.
7445 (native_encode_complex): New function.
7446 (native_encode_vector): New function.
7447 (native_interpret_expr): Inverse of native_encode_expr to convert
7448 a target representation into an INTEGER_CST, REAL_CST etc...
7449 (native_interpret_int): New function.
7450 (native_interpret_real): New function.
7451 (native_interpret_complex): New function.
7452 (native_interpret_vector): New function.
7453 (fold_view_convert_expr): New function to constant fold/evaluate
7454 a VIEW_CONVERT_EXPR of a suitable constant expression.
7455 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7456 Change call of build1 to fold_build1 when constructing a
7459 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7460 Ulrich Weigand <uweigand@de.ibm.com>
7463 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7466 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7469 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7470 optimize to lo_sum for DFmode if !TARGET_FPRS.
7472 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7474 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7475 delete_alias_info, compute_flow_sensitive_aliasing,
7476 group_aliases): Use VEC instead of VARRAY.
7477 * tree-ssa-structalias.c (update_alias_info): Likewise.
7478 * tree-ssa-structalias.h (alias_info): Change the type of
7479 processed_ptrs to VEC(tree,heap) *.
7481 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7484 * config/sh/lib1funcs.h: New file, broken out of:
7485 * config/sh/lib1funcs.asm.
7486 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7488 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7489 * config/sh/lib1funcs-Os-4-200.asm: New file.
7490 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7491 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7492 (EXTRA_MULTILIB_PARTS): Include it.
7493 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7494 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7495 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7496 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7499 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7501 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7502 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7503 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7505 * tree-ssa-live.h: Include vecprim.h.
7506 (tree_partition_associator_d): Change the type of
7507 first_partition to VEC(int,heap) *.
7508 (tpa_first_partition): Use VEC instead of VARRAY.
7510 * Makefile.in (GTFILES): Move functions.h after tree.h.
7511 * function.c (reset_block_changes, record_block_change,
7512 check_block_change, free_block_changes): Use VEC instead of
7514 * function.h (function): Change the type of
7515 ib_boundaries_block to VEC(tree,gc) *.
7516 * tree-inline.c (copy_cfg_body): Initialize
7517 ib_boundaries_block to NULL instead of (varray_type) 0.
7519 2006-04-12 Roger Sayle <roger@eyesopen.com>
7521 * expr.c (emit_group_store): Correct operand order in call to
7522 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7523 a SUBREG_BYTE of zero.
7525 2006-04-12 Richard Guenther <rguenther@suse.de>
7527 * profile.c (compute_branch_probabilities): Remove code
7528 encapsulated in !ir_type (), which are remanents of the
7529 removed RTL profiling code.
7530 * rtl-profile.c: Remove.
7532 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7534 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7535 magic NULL_RTX comment.
7536 (function_arg): Store entire fp arg to mem if any part should go
7538 (rs6000_arg_partial_bytes): Adjust for above change.
7540 2006-04-11 Roger Sayle <roger@eyesopen.com>
7542 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7543 if it hasn't been initialized by dwarf2out_init.
7545 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7547 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7548 symbolic constants in branch patterns.
7550 2006-04-11 Roger Sayle <roger@eyesopen.com>
7552 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7554 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7556 PR rtl-optimization/27073
7557 * gcse.c (try_replace_reg): Revert last change. Continue to search
7558 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7561 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7563 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7564 aggregate types other than record and union types.
7565 (function_arg): Likewise.
7566 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7568 (function_value): In 64-bit mode, return objects that require it
7571 2006-04-11 Roger Sayle <roger@eyesopen.com>
7573 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7575 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7577 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7579 2006-04-03 Jeff Law <law@redhat.com>
7582 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7583 alias information too.
7585 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7587 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7589 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7592 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7593 (premark_used_types_helper): New.
7594 (premark_used_types): New.
7595 (gen_subprogram_die): Call premark_used_types.
7596 (prune_unused_types_walk): Do not prune perennial dies.
7597 * function.c (used_types_insert): New.
7598 * function.h (struct function): Add used_types_hash field.
7599 (used_types_insert): Add prototype.
7600 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7601 * c-parser.c (c_parser_cast_expression): Save casted types in used
7604 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7607 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7608 rs6000_explicit_options.float_gprs.
7610 2006-04-10 Roger Sayle <roger@eyesopen.com>
7612 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7613 from ix86_expand_vector_init_low_nonzero. Take an additional
7614 one_var argument indicating which element is non-zero. Support
7615 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7616 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7617 with one_var instead of ix86_expand_vector_init_low_nonzero.
7619 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7621 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7622 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7623 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7624 build/genextract.o): Depend on vecprim.h.
7625 * cfglayout.c, df-problems.c, function.c, genextract.c,
7626 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7627 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7631 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7633 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7634 Declare VECs of this type.
7635 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7636 (remove_children): Delete.
7637 (add_dwarf_attr): Use VEC routines.
7638 (add_AT_flag): Update for changes to add_dwarf_attr.
7639 (add_AT_int): Likewise.
7640 (add_AT_unsigned): Likewise.
7641 (add_AT_long_long): Likewise.
7642 (add_AT_vec): Likewise.
7643 (add_AT_string): Likewise.
7644 (add_AT_die_ref): Likewise.
7645 (add_AT_fde_ref): Likewise.
7646 (add_AT_loc): Likewise.
7647 (add_AT_loc_list): Likewise.
7648 (add_AT_addr): Likewise.
7649 (add_AT_lbl_id): Likewise.
7650 (add_AT_lineptr): Likewise.
7651 (add_AT_macptr): Likewise.
7652 (add_AT_offset): Likewise.
7653 (add_AT_range_list): Likewise.
7654 (get_AT): Use VEC_iterate.
7655 (remove_AT): Use VEC_ordered_remove.
7656 (free_die): Fold remove_children into here; have it use VEC_iterate.
7657 (print_die): Use VEC_iterate on attrs.
7658 (reverse_die_lists): Don't reverse attr lists.
7659 (die_checksum): Use VEC_iterate on attrs.
7660 (same_die_p): Likewise.
7661 (output_location_lists): Likewise.
7662 (build_abbrev_table): Likewise.
7663 (size_of_die): Likewise.
7664 (unmark_all_dies): Likewise.
7665 (output_abbrev_section): Likewise.
7666 (output_die): Likewise.
7667 (prune_unused_types_walk_attribs): Likewise.
7669 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7671 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7673 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7676 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7678 2006-04-09 Roger Sayle <roger@eyesopen.com>
7680 * expr.c (store_constructor): Don't bother clearing target if
7681 we're about to assign a vector to it using vec_init_optab.
7683 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7685 * tree-ssa-alias.c (lhs_may_store_to): New function.
7686 (recalculate_used_alone): Handle LHS of calls.
7688 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7692 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7693 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7694 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7695 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7696 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7697 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7698 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7699 stubs. Add ".align 8" directives before all ".dword" directives.
7700 (GTHREAD_USE_WEAK): Revise comment.
7701 (TARGET_ATTRIBUTE_WEAK): Define.
7702 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7703 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7704 * stublib.c: New file.
7709 * pa.md (cbranch patterns): Revise arguments used in calls to
7710 output_cbranch, output_bb and output_bvd. Add long branch length
7712 (fbranch patterns): Handle long branches.
7713 (jump): Revise length check. Revise arguments for output_lbranch call.
7714 Add long branch length attributes.
7715 (decrement_and_branch_until_zero): Add long branch length attributes.
7716 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7717 Likewise. Revise arguments for output_parallel_addb and
7718 output_parallel_movb calls.
7719 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7720 output_parallel_movb and output_parallel_addb): Update prototypes.
7721 * pa.c (output_cbranch): Revise arguments. Correct handling of
7722 nullification in long branches.
7723 (output_lbranch): Add new argument to control extraction of delay
7725 (output_bb): Handle long branches.
7726 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7727 output_parallel_addb): Likewise.
7729 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7731 PR rtl-optimization/27073
7732 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7735 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7737 * tree.h (tree_memory_tag): Add old_used_alone.
7738 (SMT_OLD_USED_ALONE): New macro.
7739 * tree-ssa-alias.c (recalculate_used_alone): Stop
7740 marking things for renaming unnecessarily.
7742 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7744 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7745 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7746 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7747 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7748 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7749 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7750 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7751 spelling convensions.
7752 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7753 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7754 typos. Follow spelling conventions.
7756 2006-04-07 DJ Delorie <dj@redhat.com>
7758 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7759 passed on the stack.
7760 (m32c_init_cumulative_args): When a function returns a structure,
7761 always pass the pointer to that return area on the stack.
7762 (m32c_function_arg_advance): Don't increment the parameter number
7763 if we're processing the returned structure pointer.
7764 (pushm_info): Reverse order of registers.
7766 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7768 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7769 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7770 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7771 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7773 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7774 chrec_fold_multiply): Same.
7775 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7776 force_expr_to_var_cost): Same.
7777 * tree-mudflap.c (mf_xform_derefs_1): Same.
7778 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7780 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7782 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7783 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7786 2006-04-07 Jan Hubicka <jh@suse.cz>
7788 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7790 2006-04-07 Richard Guenther <rguenther@suse.de>
7792 PR tree-optimization/26135
7793 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7794 loads for store copy-prop.
7795 (copy_prop_visit_stmt): Likewise.
7797 2006-04-05 Robert Millan <robertmh@gnu.org>
7799 * config/i386/linux.h: Add a comment to mark macros that are
7800 being overriden in config/k*bsd-gnu.h.
7801 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7803 * config/knetbsd-gnu.h: Ditto.
7805 2006-04-06 Jan Hubicka <jh@suse.cz>
7809 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7812 2006-04-06 Mike Stump <mrs@apple.com>
7814 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7815 for HAVE_nonlocal_goto to be consistent.
7816 (expand_builtin_nonlocal_goto): Likewise.
7817 (expand_builtin_strcmp): Use #ifdef instead of #if
7818 for HAVE_cmpstrnsi to be consistent.
7820 2006-04-05 DJ Delorie <dj@redhat.com>
7822 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7825 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7827 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7828 got-relative addressing for anything but SImode.
7830 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7831 even if the calling function doesn't modify them.
7833 2006-04-05 Richard Guenther <rguenther@suse.de>
7835 PR tree-optimization/26919
7836 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7837 to cgraph_estimate_size_after_inlining.
7839 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7841 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7843 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7845 PR tree-optimization/26996
7846 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7847 VECTOR_TYPE variables.
7849 2006-04-05 Richard Guenther <rguenther@suse.de>
7851 PR tree-optimization/26763
7852 * fold-const.c (fold_comparison): Move folding of
7853 PTR + CST CMP PTR + CST ...
7854 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7856 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7858 * doc/install.texi (Prerequisites): Refine some wording on
7859 bootstrapping and ksh.
7860 Move the version numbers of DejaGnu here from the testing section
7861 and fix casing of names.
7862 Fix markup and clarify wording for autogen requirements.
7863 Refer to GCJ instead of just java.
7864 Refer to SVN instead of CVS.
7865 Describe diffutils as useful instead of necessary.
7866 (Downloading the source): Refer to SVN instead of CVS.
7867 Adjust a link to our web site accordingly.
7868 (Configuration): Fix casing of Bison.
7869 (Building): Refer to SVN instead of CVS.
7870 Fix a sentence on the use of Bison and remove duplicate (and
7871 incorrect) version number of Bison requirement.
7872 Remove one redundant list of packages needed for building.
7873 (Specific): Avoid reference to CVS.
7875 2006-04-04 Eric Christopher <echristo@apple.com>
7877 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7878 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7879 (rs6000_handle_struct_attribute): New.
7880 (rs6000_ms_bitfield_layout_p): Ditto.
7882 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7884 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7885 NULL for dso parameter to atexit_common.
7887 2006-04-04 Eric Christopher <echristo@apple.com>
7889 * config/i386/i386.c (machopic_output_stub): Output \t
7890 between instructions and operands.
7892 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7894 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7895 satisfies_constraint_[IL] to explicit tests on value.
7897 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7899 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7900 set_nb_iterations_in_loop): Use build_int_cst instead of
7902 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7903 build_int_cst instead of convert.
7905 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7907 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7908 new value 2 for incoming.
7909 * function.c (expand_function_start): Call struct_value_rtx
7911 * config/sparc/sparc.md: Comment updated_return.
7912 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7913 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7914 struct return if sparc_std_struct_return and incoming is 2.
7915 (print_operand): Do not adjust return if
7916 sparc_std_struct_return.
7918 2006-04-04 Roger Sayle <roger@eyesopen.com>
7920 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7921 convert in the middle-end.
7922 * expr.c (store_expr, store_constructor, get_inner_reference,
7923 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7925 * tree.c (build_range_type): Likewise.
7927 2006-04-04 Tom Tromey <tromey@redhat.com>
7929 * doc/install.texi (Prerequisites): Mention jar.
7931 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7933 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7936 2006-04-04 Matthias Klose <doko@debian.org>
7938 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7942 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7945 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7947 * doc/extend.texi (Function Attributes): Rewrite visibility
7948 attribute documentation.
7949 * doc/invoke.texi (C++ Dialect Options): Rewrite
7950 -fvisibility-inlines-hidden documentation to describe something
7951 entirely different, although in practise compatible.
7952 (Code Gen Options): Warn about system headers in -fvisibility=
7955 * doc/extend.texi (Other Builtins): Document that
7956 __builtin_nan is a compile-time constant only when its argument
7959 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7961 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7962 trying to remove TRUNCATE check if all bits outside the new mode
7963 are identical to the sign bit.
7965 2006-04-03 Jeff Law <law@redhat.com>
7967 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7968 and operand scanning in some common cases.
7970 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7971 Dale Johannesen <dalej@apple.com>
7974 * regclass.c (struct reg_pref): Update documentation.
7975 (regclass): Set prefclass to NO_REGS if memory is the best option.
7976 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7977 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7978 into account. For non-registers, equate an empty preferred
7979 reload class to a `!' in the constraint; move the if clause to
7980 do so after those that reject the insn.
7981 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7983 (find_dummy_reload): Likewise.
7984 * doc/tm.texi (Register Classes): Document what it means
7985 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7986 * config/i386/i386.c (ix86_preferred_reload_class): Force
7987 using SSE registers (and return NO_REGS for floating-point
7988 constants) if math is done with SSE.
7989 (ix86_preferred_output_reload_class): New.
7990 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7991 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7992 * config/i386/i386.md: Remove # register preferences.
7994 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7997 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7998 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7999 the type of nb_iter.
8000 (instantiate_parameters_1): Convert the operands before calling
8001 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8002 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8004 2006-04-02 Roger Sayle <roger@eyesopen.com>
8006 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8007 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8009 * dojump.c (do_jump): Likewise.
8010 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8011 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8012 gimplify_boolean_expr): Likewise.
8013 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8014 * varasm.c (array_size_for_constructor): Likewise.
8015 * tree-object-size.c (compute_object_offset): Likewise.
8017 2006-04-02 Roger Sayle <roger@eyesopen.com>
8020 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8021 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8023 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8025 PR tree-optimization/26939
8026 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8028 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8030 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8031 at_stmt. Convert the type of operands before calling
8032 build_polynomial_chrec.
8033 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8035 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8036 (instantiate_parameters_1): Convert the type of operands before calling
8037 build_polynomial_chrec.
8038 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8039 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8040 reset_evolution_in_loop): Insert asserts to check the types of the
8042 (chrec_type): Moved...
8043 (eq_evolutions_p): Use operand_equal_p.
8044 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8045 the types of the operands.
8046 (chrec_type): ...here.
8047 * tree-data-ref.c (create_data_ref): Convert the operands before
8048 calling chrec_replace_initial_condition.
8049 (same_access_functions, analyze_subscript_affine_affine,
8050 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8051 (compute_subscript_distance, analyze_ziv_subscript,
8052 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8053 analyze_miv_subscript): Convert the operands before calling
8054 chrec_fold_minus or chrec_fold_plus.
8056 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8058 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8059 the dependence_relations vector.
8060 (compute_data_dependences_for_loop): Adjust call to
8061 compute_all_dependences.
8063 2006-04-01 Roger Sayle <roger@eyesopen.com>
8064 Richard Henderson <rth@redhat.com>
8066 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8067 gimple_boolify on the condition before calling gimplify_expr.
8069 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8071 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8072 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8073 the frame size. Update to use the new macros.
8074 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8075 * config/xtensa/ieee754-df.S: Likewise.
8077 2006-03-31 Richard Henderson <rth@redhat.com>
8079 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8080 (make_edges): ... here. Control fallthru creation with a local
8081 variable. Do not play with fake edges.
8082 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8083 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8086 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8088 * dwarf2.h (DW64_CIE_ID): Define.
8089 * dwarf2out.c (DWARF_CIE_ID): Define.
8090 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8091 length header. Use DWARF_CIE_ID.
8092 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8093 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8095 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8097 * config/sh/linux-atomic.asm: New file.
8098 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8100 2006-03-31 DJ Delorie <dj@redhat.com>
8102 * config/m32c/cond.md: Set condition flags properly throughout.
8103 * config/m32c/minmax.md: Likewise.
8104 * config/m32c/prologue.md: Likewise.
8105 * config/m32c/bitops.md: Likewise.
8106 * config/m32c/muldiv.md: Likewise.
8107 * config/m32c/mov.md: Likewise.
8108 * config/m32c/addsub.md: Likewise.
8109 * config/m32c/m32c.md: Likewise.
8110 * config/m32c/jump.md: Likewise.
8111 * config/m32c/shift.md: Likewise.
8113 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8114 conditionally output the pattern for this.
8115 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8116 (m32c_compare_redundant): New.
8117 (m32c_output_compare): New.
8118 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8120 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8121 dest, not src. Allow other 4-byte modes.
8123 2006-03-30 Denis Chertykov <denisc@overta.ru>
8125 * doc/md.texi: Refer to avr/constraints.md instead of
8128 2006-03-30 Roger Sayle <roger@eyesopen.com>
8130 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8131 signed vs. unsigned comparison failures on some hosts.
8133 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8136 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8137 change to FLOAT_REGS.
8139 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8140 (rs6000_override_options): Use it.
8141 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8142 only for -mabi=spe/no-spe and -mabi=altivec.
8144 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8146 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8149 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8151 * Makefile.in: Rename docdir to gcc_docdir.
8153 2006-03-30 Roger Sayle <roger@eyesopen.com>
8156 * expr.c (emit_group_store): Optimize group stores into a pseudo
8157 register by using a paradoxical subreg to initialize the destination
8158 if the first or last member of the group specifies a "low part".
8160 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8163 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8164 * target.h (struct gcc_target.speculate_insn): Change type of the
8165 second parameter to 'int'.
8166 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8167 the second operand of the DEPS_LIST.
8168 (copy_DEPS_LIST_list): Update reference to the second operand of the
8170 * rtl.h (alloc_DEPS_LIST): Update signature.
8171 * sched-int.h (ds_t): Change typedef to 'int'.
8172 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8174 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8176 * haifa-sched.c (try_ready): Change condition to restore
8177 non-speculative pattern of the instruction.
8178 (process_insn_depend_be_in_spec): Code to keep probability of the
8179 speculative dependence non-decreasing.
8181 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8183 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8184 (single_move_for_movmem): ... this. Also change all uses.
8185 (bfin_expand_strmov): Renamed to...
8186 (bfin_expand_movmem): ... this. Also change all uses.
8187 * config/bfin/bfin.md (movstrsi): Renamed to...
8188 (movstrsi): ...this.
8190 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8192 PR tree-optimization/26830
8194 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8195 (copy_prop_visit_stmt): Remove write-only variable ann.
8196 (init_copy_prop): Check variable loop depth here. Do not simulate
8197 memory-tag and virtual operand PHIs except for store copy prop.
8199 2006-03-30 Richard Guenther <rguenther@suse.de>
8201 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8202 variants with double arguments.
8204 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8206 * genpreds.c (write_tm_constrs_h): Delete variable p.
8207 * genconditions.c (write_header): Add tm-constrs.h to included
8209 * genpeep.c (main): Add toplev.h to included headers.
8210 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8211 (build/genpeep.o): Add toplev.h dependency.
8212 * config/rs6000/constraints.md: Add "W" constraint.
8214 2006-03-29 Roger Sayle <roger@eyesopen.com>
8216 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8217 sizes by correctly testing whether the size fits a host integer.
8218 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8219 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8220 SImode range for the default sizetype and bitsizetype.
8222 2006-03-29 Roger Sayle <roger@eyesopen.com>
8224 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8225 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8226 quickly if the argument is already of the correct type.
8227 Call fold_build1 instead of build1. Tidy up blank lines.
8229 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8231 * genemit.c (main): Add tm-constrs.h to included headers.
8232 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8233 * genpeep.c (main): Add tm-constrs.h to included headers.
8234 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8235 (write_tm_constrs_h): this and write complete file.
8236 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8237 (write_insn_preds_c): Add tm-constrs.h to included headers.
8238 (gen_constrs): New variable.
8239 (parse_option): Parse "-c".
8240 (main): Invoke write_tm_constrs_h.
8241 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8242 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8243 (object_out_file): Add tm-constrs.h dependency.
8244 (insn-emit.o): Same.
8245 (insn-output.o): Same.
8246 (insn-peep.o): Same.
8247 (insn-preds.o): Same.
8248 (insn-recog.o): Same.
8249 (tm-constsr.h): New target.
8250 (s-constrs-h): New target.
8252 * config/rs6000/constraints.md: New file.
8253 * config/rs6000/rs6000.c: Include tm-constrs.h.
8254 (num_insn_constant_wide): Convert to satisfies_constraint.
8255 (rs6000_rtx_costs): Convert to satisfies_constraint.
8256 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8257 (CONST_OK_FOR_LETTER_P): Delete.
8258 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8259 (EXTRA_CONSTRAINT): Delete.
8260 (EXTRA_MEMORY_CONSTRAINT): Delete.
8261 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8262 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8263 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8264 satisfies_constraint.
8266 * config/i386/i386.c: Include tm-constrs.h.
8268 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8270 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8271 * tree-data-ref.c (find_data_references_in_loop,
8272 compute_data_dependences_for_loop): Use pointers to VEC.
8273 (analyze_all_data_dependences): Adjust calls.
8274 * tree-data-ref.h (find_data_references_in_loop,
8275 compute_data_dependences_for_loop): Adjust declarations.
8276 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8277 compute_data_dependences_for_loop.
8279 2006-03-29 Paul Brook <paul@codesourcery.com>
8281 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8284 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8286 PR tree-optimization/26859
8287 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8289 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8290 for the step after fold_convert.
8292 2006-03-29 Paul Brook <paul@codesourcery.com>
8294 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8295 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8297 2006-03-29 Paul Brook <paul@codesourcery.com>
8300 * targhooks.c (default_narrow_bitfield): New fuction.
8301 * targhooks.h (default_narrow_bitfield): add prototype.
8302 * target.h (gcc_target): Add narrow_volatile_bitfield.
8303 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8304 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8305 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8306 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8308 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8310 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8312 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8313 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8314 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8315 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8316 (s390_function_arg_float): Allow SDmode and DDmode values to be
8317 passed in floating point registers.
8318 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8319 check with SCALAR_FLOAT_MODE_P.
8320 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8322 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8324 PR tree-optimization/25985
8325 * tree-ssa-loop-niter.c (number_of_iterations_le,
8326 number_of_iterations_ne): Make comments more precise.
8327 (number_of_iterations_cond): Add only_exit argument. Use the
8328 fact that signed variables do not overflow only when only_exit
8330 (loop_only_exit_p): New.
8331 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8332 number_of_iterations_cond.
8334 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8336 PR tree-optimization/26643
8337 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8340 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8342 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8343 (divsi3_i4_int): Likewise.
8345 2006-03-28 Roger Sayle <roger@eyesopen.com>
8347 * expr.c (emit_group_store): Only create a new pseudo reg if the
8348 quantity it needs to hold isn't already a suitable pseudo.
8350 2006-03-28 Jeff Law <law@redhat.com>
8352 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8353 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8355 2006-03-28 Roger Sayle <roger@eyesopen.com>
8357 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8358 the equivalent ~X & Y, and the symmetry related transformations.
8359 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8360 ~X & Y, and symmetry related transforms.
8362 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8364 Revert my 2006-03-27 patches.
8366 2006-03-28 Roger Sayle <roger@eyesopen.com>
8368 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8369 ~(T1)X, when T1 and T2 are integer types of the same precision
8370 and (T2)X isn't an extension.
8372 2006-03-28 Jeff Law <law@redhat.com>
8374 PR tree-optimization/26796
8375 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8376 need EH edge cleanups rather than purging them immediately.
8377 (eliminate_degenerate_phis): Handle queued EH cleanups.
8379 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8381 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8384 2006-03-27 Roger Sayle <roger@eyesopen.com>
8387 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8388 cast BIT_NOT_EXPR operand to the correct type.
8390 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8392 * tree-loop-linear.c: Don't include varray.h.
8393 (gather_interchange_stats, try_interchange_loops,
8394 linear_transform_loops): Use VEC instead of VARRAY.
8395 * lambda-mat.c: Don't include varray.h.
8396 * tree-chrec.c: Same.
8397 * lambda-trans.c: Same.
8398 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8399 VEC instead of VARRAY.
8400 * tree-vectorizer.h: Idem.
8401 * tree-data-ref.c (dump_data_references,
8402 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8403 initialize_data_dependence_relation, finalize_ddr_dependent,
8404 compute_all_dependences, find_data_references_in_loop,
8405 compute_data_dependences_for_loop, analyze_all_data_dependences,
8406 free_dependence_relation, free_dependence_relations,
8407 free_data_refs): Idem.
8408 * tree-data-ref.h (data_reference_p, subscript_p): New.
8409 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8410 VEC instead of VARRAY.
8411 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8412 (find_data_references_in_loop, compute_data_dependences_for_loop,
8413 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8414 dump_data_dependence_relations, free_dependence_relations,
8415 free_data_refs): Adjust declaration.
8416 (lambda_transform_legal_p): Move declaration here...
8417 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8418 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8419 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8420 vect_analyze_data_refs): Use VEC instead of VARRAY.
8421 * lambda.h (lambda_transform_legal_p): ...from here.
8422 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8423 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8424 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8425 tree-chrec.o): Don't depend on VARRAY_H.
8427 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8429 * rtl.def (Copyright): Update date.
8430 (DEPS_LIST): Change type of the second operand to 'int'.
8431 * target.h (Copyright): Update date.
8432 (struct gcc_target.speculate_insn): Change type of the second parameter
8434 * lists.c (Copyright): Update date.
8435 (alloc_DEPS_LIST): Change signature. Update reference to the second
8436 operand of the DEPS_LIST.
8437 (copy_DEPS_LIST_list): Update reference to the second operand of the
8439 * rtl.h (Copyright): Update date.
8440 (alloc_DEPS_LIST): Update signature.
8441 * sched-int.h (Copyright): Update date.
8442 (ds_t): Change typedef to 'int'.
8443 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8445 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8447 * haifa-sched.c (Copyright): Update date.
8448 (try_ready): Change condition to restore non-speculative pattern
8450 (process_insn_depend_be_in_spec): Code to keep probability of the
8451 speculative dependence non-decreasing.
8453 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8455 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8456 shut up the compiler.
8458 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8460 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8461 to use lib prefix for target.
8462 ($(T)libic_invalidate_array_4-200.a): Likewise.
8463 ($(T)libic_invalidate_array_4a.a): Likewise.
8465 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8466 J"orn Rennecke <joern.rennecke@st.com>
8468 * superh.opt: New file.
8469 * sh.c (boardtype, osruntime): Remove.
8470 * superh.h (SUBTARGET_OPTIONS): Remove.
8471 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8473 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8474 arguments with ^ and/or [].
8476 * config.gcc (sh-*-*): Add quoting to account for quirk of
8478 Replace == with = in enable_incomplete_targets test.
8480 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8481 with MASK_LITTLE_ENDIAN.
8483 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8484 * config/sh/sh.opt: Added to some comments.
8485 * config/sh/superh.h: Removed some chaff.
8487 * config/sh/sh.opt: Add m4-[1234]00* options.
8488 * config/sh/sh.c (sh_handle_option): Likewise.
8489 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8490 (ic_invalidate_array_4-100.o): New rule.
8491 ($(T)libic_invalidate_array_4-100.a): Likewise.
8492 (ic_invalidate_array_4-200.o): Likewise.
8493 ($(T)libic_invalidate_array_4-200.a): Likewise.
8494 (ic_invalidate_array_4a.o): Likewise.
8495 ($(T)libic_invalidate_array_4a.a): Likewise.
8496 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8497 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8499 * config/sh/crt1.asm: Merged in profiling code.
8500 * config/sh/superh.h (STARTFILE_SPEC): Override.
8501 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8502 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8503 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8505 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8506 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8507 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8509 * sh.opt (mpretend-cmove): New option.
8510 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8511 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8512 (movsicc): Add TARGET_PRETEND_CMOVE code.
8514 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8516 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8517 s390_class_max_nregs): New function prototypes.
8518 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8519 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8520 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8521 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8523 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8525 * dwarf2out.c (add_location_or_const_value_attribute): Call
8526 tree_add_const_value_attribute if nothing else works.
8527 (reference_to_unused): New.
8528 (rtl_for_decl_init): Use reference_to_unused to decide whether
8529 to output an initializer.
8531 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8534 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8535 peephole removing spe frob_di_df_2.
8537 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8539 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8540 (subscript_dependence_tester_1): Declared.
8541 (print_dir_vectors, print_dist_vectors): New.
8542 (debug_data_dependence_relation): New.
8543 (dump_data_dependence_relation): Print more details.
8544 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8545 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8546 (save_dist_v, save_dir_v, add_outer_distances,
8547 build_classic_dist_vector_1): New.
8548 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8549 Don't test for lambda_vector_lexico_pos.
8550 (same_access_functions, add_multivariate_self_dist,
8551 add_other_self_distances, dir_from_dist): New.
8552 (build_classic_dir_vector): Replace implementation almost identical to
8553 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8555 (subscript_dependence_tester_1): New.
8556 (subscript_dependence_tester): Handle the lexicographically negative
8557 distance vectors by recomputing the dependence relation.
8558 (compute_affine_dependence): Remove parameter loop_nest_depth.
8559 (compute_self_dependence): Don't call compute_subscript_distance.
8560 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8561 Add a parameter for the loop_nest.
8562 (find_loop_nest_1, find_loop_nest): New.
8563 (compute_data_dependences_for_loop): Compute the loop nest, and give
8564 up if the nest is not well formed.
8565 * tree-data-ref.h (loop_p): New.
8566 (struct data_dependence_relation): Replace size_vect field with
8567 loop_nest, a vec of loops.
8568 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8569 (DDR_LOOP_NEST): New.
8570 (print_dir_vectors, print_dist_vectors,
8571 debug_data_dependence_relation): Declared.
8572 (index_in_loop_nest): New.
8573 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8574 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8577 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8579 * simplify-rtx.c (simplify_relational_operation): Call
8580 simplify_relational_operation_1 even if mode is VOIDmode.
8582 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8584 PR tree-optimization/26804
8585 * tree.h (DECL_CALL_CLOBBERED): New macro.
8586 (tree_decl_common): Add call_clobbered_flag.
8587 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8588 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8589 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8590 (mark_non_addressable): Ditto.
8591 * tree-ssa.c (verify_call_clobbered): New function.
8592 (verify_alias_info): Use it.
8593 * tree-pass.h (pass_reset_cc_flags): New prototype.
8594 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8595 (reset_cc_flags): New function.
8596 * passes.c (init_optimization_passes): Call reset_cc_flags after
8597 initializing referenced_vars.
8599 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8600 Roger Sayle <roger@eyesopen.com>
8603 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8604 to 1.0 for non-real operands. Implement A / A optimization for
8607 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8609 * config/i386/i386.c (size_cost): Correct the comment for
8610 cost of storing fp registers.
8611 (i386_cost): Likewise.
8612 (i486_cost): Likewise.
8613 (pentium_cost): Likewise.
8614 (pentiumpro_cost): Likewise.
8615 (k6_cost): Likewise.
8616 (athlon_cost): Likewise.
8617 (k8_cost): Likewise.
8618 (pentium4_cost): Likewise.
8619 (nocona_cost): Likewise.
8620 (generic64_cost): Likewise.
8621 (generic32_cost): Likewise.
8623 2006-03-24 Denis Chertykov <denisc@overta.ru>
8625 * config/avr/avr-protos.h (extra_constraint): Delete.
8626 (extra_constraint_Q): New declaration.
8627 * config/avr/constraints.md: New file.
8628 * config/avr/avr.md: Include it.
8629 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8630 (TMP_REGNO, ZERO_REGNO): Likewise.
8631 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8632 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8633 (extra_constraint): Delete.
8634 (extra_constraint_Q): Test for memory constraint 'Q'.
8635 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8636 (REG_CLASS_FROM_LETTER): Delete.
8637 (CONST_OK_FOR_LETTER_P): Delete.
8638 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8639 (EXTRA_CONSTRAINT): Delete.
8640 (TMP_REGNO): Delete.
8641 (ZERO_REGNO): Delete.
8643 2006-03-24 Jeff Law <law@redhat.com>
8645 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8646 directly. Call mark_new_vars_to_rename slightly earlier.
8648 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8650 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8652 (gen_compile_unit_die): Use new language types for Objective-C and
8654 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8655 DW_LANG_C_plus_plus.
8658 * config/t-darwin (crt3.o): Work around bug 26840.
8659 * config/darwin-crt3.c: Rewrite.
8660 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8662 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8664 * doc/invoke.texi: Document -femit-class-debug-always
8665 * common.opt: Add -femit-class-debug-always.
8667 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8669 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8670 index and base register.
8671 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8672 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8673 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8674 REGNO_OK_FOR_INDEX_P.
8675 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8677 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8678 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8679 REG_OK_FOR_BASE_P): Definitions removed.
8681 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8684 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8685 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8686 set yet or weren't marked as local yet.
8688 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8690 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8693 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8695 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8696 (rs6000_legitimate_small_data_p): Delete.
8697 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8698 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8699 and make static. Add forward declaration. Update uses.
8700 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8701 of offsettable_memref_p.
8702 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8703 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8705 2006-03-24 Jeff Law <law@redhat.com>
8707 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8708 around bug in immediate-use iterator.
8710 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8713 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8714 or __LITTLE_ENDIAN__.
8716 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8718 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8719 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8720 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8721 * config/sh/sh.opt (mdiv=): Amend description.
8722 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8723 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8724 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8725 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8726 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8727 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8728 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8729 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8730 TARGET_DIVIDE_CALL_FP.
8732 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8734 * haifa-sched.c (choose_ready): Fix type of the local variable.
8735 Move local variables. Add comment.
8736 (check_reg_live): Change signature. Make callable from debugger.
8737 * sched-int.h (check_reg_live): Update signature.
8738 * sched-ebb.c (check_reg_live): Update parameters.
8739 * sched-rgn.c (check_reg_live): Ditto.
8740 (region_head_or_leaf_p): Check pointer before dereferencing.
8741 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8742 before reload on optimization levels below 1.
8744 2006-03-23 Richard Henderson <rth@redhat.com>
8746 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8750 * config/alpha/predicates.md (local_symbolic_operand): Reject
8753 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8756 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8757 expressions which have overflowed constants.
8759 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8761 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8763 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8765 * cfgloopmanip.c (create_loop_notes): Removed.
8766 * final.c (final_scan_insn): Do not handle loop notes.
8767 * jump.c (squeeze_notes): Ditto.
8768 * cfglayout.c (skip_insns_after_block,
8769 duplicate_insn_chain): Ditto.
8770 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8772 * cfgloop.h (create_loop_notes): Declaration removed.
8774 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8776 * varasm.c (output_constant_pool): Restore fnname and fndecl
8778 (assemble_start_function): Adjust call accordingly.
8779 (assemble_end_function): Likewise.
8781 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8784 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8787 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8789 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8792 * system.h (ICE_EXIT_CODE): New macro.
8793 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8794 (diagnostic_action_after_output): Likewise.
8795 * gcc.c (fatal_ice): New function.
8796 (execute): Use it instead of fatal.
8797 (fancy_abort): Likewise.
8798 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8800 2006-03-22 Jeff Law <law@redhat.com>
8802 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8803 iv_analyze_result returning false.
8805 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8807 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8809 2006-03-22 Richard Henderson <rth@redhat.com>
8812 * except.c (duplicate_eh_regions_0): New.
8813 (duplicate_eh_region_1): Duplicate the children of the node as
8814 well as the node itself. Link them up properly.
8815 (duplicate_eh_region_2): Merge into ...
8816 (duplicate_eh_regions): ... here. Take copy_region argument, and
8817 copy only a sub-tree if asked. Simplify copying and fixup.
8818 (eh_region_outer_p): New.
8819 * except.h (duplicate_eh_regions): Update decl.
8820 (eh_region_outer_p): Declare.
8821 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8822 (lower_omp_master): Likewise.
8823 (lower_omp_ordered): Likewise.
8824 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8825 (move_stmt_r): Use it to remap labels. Handle recursion vs
8826 remap_decls_p properly.
8827 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8828 (find_outermost_region_in_block): New.
8829 (new_label_mapper): New.
8830 (move_sese_region_to_fn): Copy eh information to the new function
8832 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8834 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8837 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8839 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8840 into shared libraries.
8842 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8844 * doc/md.texi: Refer to i386/constraints.md instead of
8846 * config/i386/constraints.md: New file, extracted from...
8847 * config/i386/predicates.md: ...here.
8848 * config/i386/i386.md: Include constraints.md.
8850 2006-03-21 Jason Merrill <jason@redhat.com>
8852 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8855 * expr.c (init_block_move_fn): Force default visibility.
8856 (init_block_clear_fn): Likewise.
8857 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8858 * targhooks.c (default_external_stack_protect_fail): Likewise.
8860 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8862 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8863 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8864 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8865 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8866 (loadgp): Use mips_current_loadgp_style.
8867 (loadgp_noshared): New pattern.
8868 (sibcall_internal): Use MIPS_CALL.
8869 (sibcall_value_internal): Likewise.
8870 (sibcall_value_multiple_internal): Likewise.
8871 (call_internal): Likewise.
8872 (call_value_internal): Likewise.
8873 (call_value_multiple_internal): Likewise.
8874 (call_split): Use MIPS_CALL and add an 'S' constraint.
8875 (call_value_split): Likewise.
8876 (call_value_multiple_split): Likewise.
8877 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8878 (-mshared): New option.
8879 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8880 (mips_current_loadgp_style): Declare.
8881 * config/mips/mips.c (mips_classify_symbol): Avoid using
8882 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8883 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8884 TARGET_ABSOLUTE_ABICALLS.
8885 (override_options): Adjust comments. Improve the warning that is
8886 issued when -mabicalls and -G are used together.
8887 (mips_file_start): Remove comment.
8888 (mips_current_loadgp_style): New function.
8889 (mips_gnu_local_gp): New variable.
8890 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8892 (mips_output_function_prologue): Use mips_current_laodgp_style.
8893 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8894 the cprestore instruction.
8895 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8896 live for TARGET_ABSOLUTE_ABICALLS.
8897 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8898 (ASM_SPEC): Pass down -mshared and -mno-shared.
8899 (MIPS_CALL): New macro.
8900 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8902 * doc/invoke.texi (-mabicalls): Update documentation.
8903 (-mshared): Document.
8905 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8907 * config/ia64/unwind-hpux.c: New file.
8908 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8910 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8913 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8915 2006-03-21 Jeff Law <law@redhat.com>
8917 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8918 type conversions of a VR_VARYING source to a wider type.
8920 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8922 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8923 tm_file on Solaris 10 and later.
8924 (sparc64-*-solaris2*): Likewise.
8925 (sparc-*-solaris2*): Likewise.
8926 * config/sol26.h: Rename to config/sol2-6.h.
8927 * config/sol2-10.h: New file.
8929 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8932 * tree-ssa-pre.c (create_component_ref_by_pieces):
8935 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8938 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8939 return it immediately.
8941 2006-03-21 Michael Matz <matz@suse.de>
8943 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8945 (remove_arc, add_arc): Update num_out_arcs member.
8946 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8948 (cache_presence): New function.
8949 (compare_states_for_equiv): New function.
8950 (state_is_differed): Don't take number of outargs, adjust callers.
8951 Use new invariant for speeding up.
8952 (init_equiv_class): Create initial classes based on sorted
8954 (partition_equiv_class): Don't track out_arcs_num.
8955 (evaluate_equiv_classes): Call cache_presence on all states and
8958 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8960 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8961 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8962 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8963 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8965 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8966 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8967 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8968 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8969 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8971 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8972 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8973 (REGNO_REG_CLASS): ARGP is in PREGS.
8974 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8976 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8977 to deal with those addresses.
8978 * addresses.h: New file.
8979 * caller-save.c: Include "addresses.h".
8980 (init_caller_save): Use new base_reg_class function.
8981 * rtl-factoring.c: Include "addresses.h".
8982 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8983 * recog.c: Include "addresses.h".
8984 (preprocess_constraints): Use new base_reg_class function.
8985 * regrename.c: Include "addresses.h".
8986 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8987 functions. Keep track of a new var INDEX_CODE to compute valid
8989 (replace_oldest_value_addr): Likewise.
8990 (replace_oldest_value_mem): Use base_reg_class.
8991 * reload.c: Include "addresses.h".
8992 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8993 (find_reloads): Use new base_reg_class function.
8994 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8995 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8996 all callers and prototype changed.
8997 * reload1.c: Include "addresses.h".
8998 (maybe_fix_stack_asms): Use base_reg_class.
8999 * regclass.c: Include "addresses.h".
9000 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9001 (init_reg_autoinc): Use new base_reg_class function.
9002 (record_reg_classes): Likewise.
9003 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9004 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9005 Use new args to compute necessary class.
9007 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9008 regrename.o, rtl-factoring.o): Update dependencies.
9009 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9010 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9011 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9012 REG_OK_FOR_INDEX_P): Delete documentation.
9014 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9016 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9017 from V7 to V9 for Solaris 7 and above.
9019 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9021 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9022 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9023 argument pointers may not alias any other storage.
9024 * common.opt: Define option -fargument-noalias-anything.
9025 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9026 alias semantics is specified by flag_argument_noalias > 2.
9028 2006-03-20 Jeff Law <law@redhat.com>
9030 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9031 (pass_phi_only_cprop): Declare.
9032 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9034 * tree-ssa-dom.c (degenerate_phi_result): New function.
9035 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9036 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9037 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9038 (eliminate_degenerate_phis): Likewise.
9039 (pass_phi_only_cprop): New pass descriptor.
9040 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9041 support code. Callers updated.
9042 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9043 (store_copy_prop): Likewise.
9044 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9046 2006-03-20 Jason Merrill <jason@redhat.com>
9049 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9050 (push_visibility, pop_visibility): Likewise.
9051 * c-pragma.h: Declare them.
9053 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9055 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9057 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9058 parameter and use get_ebb_head_tail.
9059 (sh_md_init_global): Adjust uses of find_regmode_weight.
9061 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9063 * function.h (struct function) <x_tail_recursion_reentry>:
9064 Rename to x_stack_check_probe_note.
9065 (tail_recursion_reentry): Rename to stack_check_probe_note.
9066 * function.c: Replace tail_recursion_reentry with
9067 stack_check_probe_note everywhere.
9068 (expand_function_start): Only emit a note for
9069 stack_check_probe_note with -fstack-protect.
9070 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9072 * emit-rtl.c (remove_unnecessary_notes): Remove.
9073 (pass_remove_unnecessary_notes): Remove.
9074 * rtl.h (remove_unnecessary_notes): Remove prototype.
9075 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9076 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9077 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9079 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9082 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9083 (valid_in_set): Handle ARRAY_REF.
9084 Change "if min_variant or VH" to asserts.
9085 (create_component_ref_by_pieces): Handle ARRAY_REF.
9086 (create_expression_by_pieces): Likewise.
9087 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9089 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9091 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9092 is operand of switch, not str[0].
9094 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9096 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9097 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9099 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9101 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9102 end of insn_extra_address_constraint declaration.
9104 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9106 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9107 (no-sum-in-toc): Same.
9108 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9110 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9111 NO_FP_IN_TOC for -fPIC instead of mask.
9113 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9114 (BOOT_LDFLAGS): Delete.
9116 * config/rs6000/t-aix52: Same.
9118 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9119 (stmsi[345678]_power): New.
9121 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9123 * config/ia64/ia64.opt: Add empty line to end of file.
9125 2006-03-17 Richard Guenther <rguenther@suse.de>
9128 * builtins.c (get_pointer_alignment): For component style references
9129 adjust alignment to the component type alignment. Make sure
9130 to adjust alignment for component access of constants.
9132 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9134 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9137 2006-03-17 Paul Brook <paul@codesourcery.com>
9139 * doc/install.texi: Docuemnt --with-mode.
9140 * config.gcc: Add --with-mode for arm*-*-*.
9141 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9143 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9145 * sh.c (max_labelno_before_reorg): New variable.
9146 (sh_reorg): Initialize it.
9147 (find_barrier): Check max_labelno_before_reorg before using
9148 label_to_alignment. Take length of explicit alignment insns
9149 into account. When seeing a UNSPECV_CONST_END, return it.
9151 * sh.c (fixup_mova): Set mode of affected label to QImode.
9152 (untangle_mova): New function.
9153 (find_barrier): Use it. Check mode of label before decrementing
9155 (sh_reorg): Likewise.
9156 Set mode of all insns back to VOIDmode.
9158 * sh.c (MOVA_LABELREF): New macro.
9159 (mova_p, fixup_mova, sh_reorg): Use it.
9160 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9161 ADDR_DIFF_VEC matches mova.
9163 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9165 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9166 with ATTRIBUTE_UNUSED.
9168 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9170 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9171 pointer, instead of assuming it is possible to derive the
9172 correct args size from a call insn.
9174 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9176 * rtl.h (CONST_INT_P): Define.
9177 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9178 instead of GET_CODE(x) == CONST_INT.
9179 (vax_rtx_costs): Likewise.
9180 (vax_output_int_move): Likewise.
9181 (vax_output_int_add): Likewise.
9182 (legitimate_constant_address_p): Likewise.
9183 (index_term_p): Likewise.
9184 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9185 * config/vax/vax.md (and<mode>3): Likewise.
9186 (ashrsi3): Likewise.
9188 (movstricthi): Likewise.
9189 (movstrictqi): Likewise.
9190 (rotrsi3): Likewise.
9191 (five unnamed insns): Likewise.
9193 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9195 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9196 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9197 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9198 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9199 Pass to ASM_OUTPUT_DWARF_OFFSET.
9200 * dwarf2out.c (debug_frame_section): New.
9201 (output_call_frame_info): Use debug_frame_section. Pass it to
9202 dw2_asm_output_offset.
9203 (output_die): Pass appropriate section to dw2_asm_output_offset.
9204 (output_compilation_unit_header): Likewise.
9205 (output_pubnames): Likewise.
9206 (output_aranges): Likewise.
9207 (enum dw_val_class): Break dw_val_class_lbl_offset into
9208 dw_val_class_lineptr and dw_val_class_macptr.
9209 (add_AT_lbl_offset): Delete.
9210 (add_AT_lineptr): New.
9211 (add_AT_macptr): New.
9212 (AT_lbl): Expect a lineptr or macptr.
9213 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9214 (attr_checksum): Likewise.
9215 (same_dw_val_p): Likewise.
9216 (size_of_die): Likewise.
9217 (value_format): Likewise.
9218 (output_die): Likewise.
9219 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9221 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9222 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9223 * config/darwin-protos.h (darwin_file_start): New.
9224 (darwin_asm_output_dwarf_offset): New.
9225 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9226 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9228 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9229 if not EH section; simplify.
9230 (darwin_file_start): New.
9231 (darwin_asm_output_dwarf_offset): New.
9232 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9234 (DEBUG_INFO_SECTION): Likewise.
9235 (DEBUG_ABBREV_SECTION): Likewise.
9236 (DEBUG_ARANGES_SECTION): Likewise.
9237 (DEBUG_MACINFO_SECTION): Likewise.
9238 (DEBUG_LINE_SECTION): Likewise.
9239 (DEBUG_LOC_SECTION): Likewise.
9240 (DEBUG_PUBNAMES_SECTION): Likewise.
9241 (DEBUG_STR_SECTION): Likewise.
9242 (DEBUG_RANGES_SECTION): Likewise.
9243 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9244 (ASM_OUTPUT_DWARF_OFFSET): New.
9246 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9248 * config.gcc (tm_defines): Always add to previous value rather
9251 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9253 * config/mips/predicates.md (splittable_const_int_operand): New,
9254 split from move_operand.
9255 (splittable_symbolic_operand): New.
9256 (move_operand): Add commentary. Use splittable_const_int_operand.
9257 Inline mips_atomic_symbolic_constant_p.
9258 * config/mips/mips.md: Add combine splitters for handling moves
9259 of splittable_const_int_operands and splittable_symbolic_operands.
9260 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9261 (mips_split_symbol): Declare.
9262 (mips_move_integer): Declare.
9263 * config/mips/mips.c (mips_split_p): Make global.
9264 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9265 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9266 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9267 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9268 (mips_offset_within_object_p): Handle block symbols.
9269 (mips_atomic_symbolic_constant_p): Delete.
9270 (mips_cannot_force_const_mem): Return false for constants that
9271 mips_legitimize_move can handle.
9272 (mips_use_blocks_for_constant_p): New function.
9273 (mips_split_symbol): Make global.
9274 (mips_move_integer): Likewise. Add a temporary register argument.
9275 (mips_legitimize_const_move): Use splittable_const_int_operand and
9276 splittable_symbolic_operand.
9277 (mips_use_anchors_for_symbol_p): New function.
9278 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9279 (mips_split_p): Declare.
9281 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9283 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9284 (mips*-*-linux*): Likewise.
9286 2006-03-16 Roger Sayle <roger@eyesopen.com>
9287 Daniel Speyer <dspeyer@wam.umd.edu>
9290 * tree-dump.c (dump_real): New function.
9291 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9292 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9293 (tree-dump.o): Add $(REAL_H) to the dependencies.
9295 2006-03-16 Roger Sayle <roger@eyesopen.com>
9298 * real.c (real_from_string): If the mantissa is zero, don't bother
9299 parsing the exponent as the result should always be zero.
9301 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9303 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9305 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9307 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9308 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9309 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9310 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9311 ia64_sched_finish_global): New static functions to implement
9312 hooks from gcc_target.sched.
9313 (spec_check_no, max_uid, pending_data_specs): New static variables.
9314 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9315 ia64_spec_check_src_p): New static functions.
9316 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9317 (TARGET_SCHED_ADJUST_COST): Removed.
9318 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9319 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9320 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9321 TARGET_SCHED_GEN_CHECK,
9322 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9323 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9324 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9325 Fixed to handle speculation checks.
9326 (rtx_needs_barrier): Fixed to handle speculative loads and
9328 (ia64_variable_issue): Added code to count speculative loads and their
9330 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9332 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9334 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9336 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9337 (ia64_reorg): Reset stops_p to NULL after it is freed.
9338 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9339 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9340 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9342 (data_speculative, control_speculative, check_load): New attributes.
9343 (mov<mode>_advanced, mov<mode>_speculative,
9344 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9345 zero_extend<mode>di2_speculative,
9346 zero_extend<mode>di2_speculative_advanced): New patterns for
9347 data and control speculative loads.
9348 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9350 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9351 New pattern for data and control speculation checks.
9352 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9353 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9354 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9355 Auxiliary definitions for the patterns.
9356 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9357 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9359 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9361 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9362 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9363 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9364 New resource constraints.
9365 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9367 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9368 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9369 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9370 msched-in-control-spec, msched-ldc, msched-control-ldc,
9371 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9372 msched-prefer-non-control-spec-insns,
9373 msched-count-spec-in-critical-path): New flags to tune speculative
9375 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9376 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9377 msched-in-control-spec, msched-ldc, msched-control-ldc,
9378 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9379 msched-prefer-non-control-spec-insns,
9380 msched-count-spec-in-critical-path): Document new flags.
9382 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9384 * target.h (struct spec_info_def): New opaque declaration.
9385 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9386 speculate_insn, needs_block_p, gen_check,
9387 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9388 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9389 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9390 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9391 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9392 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9394 (TARGET_SCHED): Use new macros.
9395 * rtl.h (copy_DEPS_LIST_list): New prototype.
9396 * sched-int.h (struct sched_info): Change signature of new_ready field,
9397 adjust all initializations. New fields: add_remove_insn,
9398 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9399 region_head_or_leaf_p.
9400 (struct spec_info_def): New structure declaration.
9401 (spec_info_t): New typedef.
9402 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9403 recovery_block, orig_pat.
9404 (glat_start, glat_end): New variables declaraions.
9405 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9407 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9408 DETACH_LIFE_INFO, USE_GLAT.
9409 (enum SPEC_SCHED_FLAGS): New enumeration.
9410 (NOTE_NOTE_BB_P): New macro.
9411 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9412 attach_life_info, debug_spec_status, check_reg_live): New functions.
9413 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9414 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9416 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9417 * ddg.c (get_block_head_tail): Adjust all uses.
9418 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9419 (sms_sched_info): Initialize new fields.
9420 (contributes_to_priority): Removed.
9421 * haifa-sched.c (params.h): New include.
9422 (get_block_head_tail): Adjust all uses.
9423 (ISSUE_POINTS): New macro.
9424 (glat_start, glat_end): New global variables.
9425 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9426 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9427 old_last_basic_block, before_recovery, current_sched_info_var,
9428 rgn_n_insns, luid): New static variables.
9429 (insn_cost1): New function. Move logic from insn_cost to here.
9430 (find_insn_reg_weight1): New function. Move logic from
9431 find_insn_reg_weight to here.
9432 (reemit_notes, move_insn, max_issue): Change signature.
9433 (move_insn1): Removed.
9434 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9435 extend_bb): New static functions to support extension of scheduler's
9437 (generate_recovery_code, process_insn_depend_be_in_spec,
9438 begin_speculative_block, add_to_speculative_block,
9439 init_before_recovery, create_recovery_block, create_check_block_twin,
9440 fix_recovery_deps): New static functions to support
9441 generation of recovery code.
9442 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9443 restore_bb_notes, move_block_after_check, move_succs): New static
9444 functions to support ebb scheduling.
9445 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9446 functions to support handling of register live information.
9447 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9448 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9449 add_jump_dependencies): New static functions.
9450 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9451 consistancy checking.
9452 (debug_spec_status): New function to call from debugger.
9453 (priority): Added code to handle speculation checks.
9454 (rank_for_schedule): Added code to distinguish speculative instructions.
9455 (schedule_insn): Added code to handle speculation checks.
9456 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9457 Fixed to handle ebbs.
9458 (move_insn): Added code to handle ebb scheduling.
9459 (max_issue): Added code to use ISSUE_POINTS of instructions.
9460 (choose_ready): Added code to choose between speculative and
9461 non-speculative instructions.
9462 (schedule_block): Added code to handle ebb scheduling and scheduling of
9463 speculative instructions.
9464 (sched_init): Initialize new variables.
9465 (sched_finish): Free new variables. Print statistics.
9466 (try_ready): Added code to handle speculative instructions.
9467 * lists.c (copy_DEPS_LIST_list): New function.
9468 * sched-deps.c (extend_dependency_caches): New function. Move logic
9469 from create_dependency_caches to here.
9470 (get_dep_weak, ds_merge): Make global.
9471 * genattr.c (main): Code to output prototype for
9472 dfa_clear_single_insn_cache.
9473 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9474 (output_dfa_clean_insn_cache_func): Code to output
9475 dfa_clear_single_insn_cache function.
9476 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9478 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9480 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9481 New static variables.
9482 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9483 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9485 (ebb_sched_info): Initialize new fields.
9486 (get_block_head_tail): Adjust all uses.
9487 (compute_jump_reg_dependencies): Fixed to use glat_start.
9488 (schedule_ebb): Code to remove unreachable last block.
9489 (schedule_ebbs): Added code to update register live information.
9490 * sched-rgn.c (region_sched_info): Initialize new fields.
9491 (get_block_head_tail): Adjust all uses.
9492 (last_was_jump): Removed. Adjust users.
9493 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9494 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9495 Implement new hooks.
9496 (check_dead_notes1): New static function.
9497 (struct region): New fields: dont_calc_deps, has_real_ebb.
9498 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9499 (BB_TO_BLOCK): Fixed to handle EBBs.
9500 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9501 (ebb_head): New static variable.
9502 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9503 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9505 (compute_dom_prob_ps): New assertion.
9506 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9507 global_live_at_start.
9508 (init_ready_list): New assertions.
9509 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9510 (new_ready): Add support for BEGIN_CONTROL speculation.
9511 (schedule_insns): Fixed code that updates register live information
9513 (schedule_region): Fixed to handle EBBs.
9514 (init_regions): Use extend_regions and check_dead_notes1.
9515 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9516 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9517 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9518 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9519 TARGET_SCHED_GEN_CHECK,
9520 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9521 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9522 * doc/invoke.texi (max-sched-insn-conflict-delay,
9523 sched-spec-prob-cutoff): Document.
9525 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9527 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9528 inter_tick, queue_index.
9529 (struct sched_info): Change signature of init_ready_list field.
9530 Adjust all initializations.
9531 (RESOLVED_DEPS): New access macro.
9532 (ready_add): Remove prototype.
9533 (try_ready): Add prototype.
9534 * sched-rgn.c (init_ready_list): Use try_ready.
9535 (schedule_region): Initialize
9536 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9537 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9538 (init_ready_list): Use try_ready.
9539 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9540 * lists.c (remove_list_elem): Remove `static'.
9541 (remove_free_INSN_LIST_elem): New function.
9542 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9543 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9544 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9546 (readyp): New variable.
9547 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9548 change_queue_index, resolve_dep): New static functions.
9549 (try_ready): New function. Adjust callers in sched-rgn.c and
9550 sched-ebb.c to use it instead of ready_add.
9551 (clock_var): Move at the begining of file.
9552 (rank_for_schedule): Fix typo.
9553 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9554 (ready_lastpos): Enforce assertion.
9555 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9557 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9558 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9559 (queue_to_ready): Use free_INSN_LIST_list.
9560 (early_queue_to_ready): Fix typo.
9561 (schedule_block): Init readyp. Move init_ready_list call after the
9562 initialization of clock_var. Fix error in rejecting insn by
9563 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9564 that previously corrected INSN_TICKs. Add code for handling
9566 (set_priorities): Fix typo.
9567 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9568 Clarify comment and code that keeps current_sched_info->next_tail
9571 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9573 * sched-rgn.c (extend_rgns): New static function.
9574 (find_rgns): Use it.
9575 (gather_region_statistics, print_region_statistics): New static
9577 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9578 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9580 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9581 Andrey Belevantsev <abel@ispras.ru>
9583 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9584 * lists.c (unused_deps_list): New variable.
9585 (free_list): Add assertions to verify the proper distinguishing
9586 between INSN_LISTs and DEPS_LISTs.
9587 (find_list_elem, remove_list_elem, remove_list_node): New static
9589 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9590 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9591 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9592 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9594 (free_INSN_LIST_node): Likewise.
9595 * modulo-sched.c (current_sched_info): Initialize flags field.
9596 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9597 * rtl.def (DEPS_LIST): Define.
9598 * rtl.h: Declare new functions from lists.c.
9599 * sched-deps.c (spec_dependency_cache): New static variable.
9600 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9601 (add_dependence): Change return type to void. Move the logic to ...
9602 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9603 (delete_all_dependences): Add comment about forward_dependency_cache.
9604 Handle spec_dependency_cache. Handle DEPS_LISTs.
9605 (fixup_sched_groups): Clarify the change of priority of output
9606 and anti dependencies.
9607 (sched_analyze_2): Adjust add_dependence calls to create data
9608 speculative dependence.
9609 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9610 Adjust all callers. Handle DEPS_LISTS.
9611 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9612 presence of speculation.
9613 (init_dependency_caches, free_dependency_caches):
9614 Handle spec_dependency_cache.
9615 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9616 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9617 New static functions.
9618 (add_or_update_back_dep, add_or_update_back_forw_dep,
9619 add_back_forw_dep, delete_back_forw_dep): New functions.
9620 * sched-int.h (ds_t, dw_t): New typedefs.
9621 (struct sched_info): Add new field flags.
9622 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9623 Prototype new sched-deps.c functions.
9624 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9625 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9626 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9627 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9628 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9629 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9631 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9633 * sched-rgn.c (current_sched_info): Initialize flags field.
9634 (schedule_insns): Initialize current_sched_info before the sched_init
9636 * sched-ebb.c (current_sched_info): Initialize flags field.
9637 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9638 Call add_or_update_back_dep instead of add_dependence.
9639 Create control speculative dependencies.
9640 (schedule_insns): Initialize current_sched_info before the sched_init
9643 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9645 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9647 (sh_fallback_frame_state): Likewise.
9649 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9651 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9652 Do switch on default_use_cxa_atexit.
9653 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9654 * config/darwin-crt3.o: New.
9655 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9656 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9657 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9659 * config/rs6000/t-darwin: Move crt2.o building to here.
9660 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9661 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9664 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9666 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9667 from '! xxx' to '!xxx' for coding-style conformance.
9668 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9669 (EXTRA_CONSTRAINT): Likewise.
9670 * config/vax/vax.md (four unnamed insns): Likewise.
9672 2006-03-15 Paul Brook <paul@codesourcery.com>
9674 * config/arm/arm.c (minipool_pad): New.
9675 (add_minipool_forward_ref): Include pool alignment padding in address
9677 (push_minipool_fix): Set minipool_pad.
9678 (minipool_pad): Ditto.
9680 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9682 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9683 instead of GET_CODE() == MEM and REG_P() instead of
9685 (print_operand_address): Likewise.
9686 (vax_address_cost): Likewise.
9687 (vax_rtx_costs): Likewise.
9688 (vax_notice_update_cc): Likewise.
9689 (vax_output_int_add): Likewise.
9690 (INDEX_REGISTER_P): Likewise.
9691 (BASE_REGISTER_P): Likewise.
9692 (nonindexed_address_p): Likewise.
9693 (vax_mode_dependent_address_p): Likewise.
9694 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9695 (PRINT_OPERAND): Likewise.
9696 * config/vax/vax.md (ashlsi3): Likewise.
9697 (ashlsi3): Likewise.
9698 (some more unnamed insns): Likewise.
9700 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9702 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9703 iterator-style macro.
9704 (mark_control_dependent_edges_necessary): Update the use of
9705 EXECUTE_IF_CONTROL_DEPENDENT.
9707 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9709 * config/sh/predicates.md (cache_address_operand): Special.
9710 (ua_address_operand): Likewise.
9712 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9714 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9716 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9718 2006-03-15 Andreas Schwab <schwab@suse.de>
9720 * gensupport.c (identify_predicable_attribute): Don't free p_false
9721 when it is still in use.
9723 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9725 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9726 the default setting here.
9728 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9730 * tree-pass.h (pass_cfg): Remove.
9731 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9732 * passes.c (pass_cfg): Don't run it.
9734 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9736 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9737 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9739 (stack_regs_mentioned): Update the uses of
9740 stack_regs_mentioned_data. Don't access the array beyond its
9742 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9743 Don't include gt-reg-stack.h.
9745 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9746 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9748 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9751 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9754 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9756 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9758 2006-03-14 Richard Guenther <rguenther@suse.de>
9760 PR tree-optimization/26672
9761 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9764 2006-03-14 Richard Guenther <rguenther@suse.de>
9766 PR tree-optimization/26667
9767 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9768 node for the callees. Always allow inlining if it will shrink
9771 2006-03-14 Richard Guenther <rguenther@suse.de>
9774 * builtins.c (get_pointer_alignment): Prefer alignment
9775 information from decls over that from types.
9777 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9780 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9782 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9784 * config/rs6000/rs6000.opt (mdlmzb): New option.
9785 (msched-prolog, msched-epilog): Use Var not Mask.
9786 * doc/invoke.texi (-mdlmzb): Document.
9787 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9789 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9790 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9792 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9794 PR rtl-optimization/25739
9795 * bt-load.c (augment_live_range): Free tos pointer.
9797 * gensupport.c (identify_predicable_attribute): Free
9799 * gcov.c (create_file_names): Free name pointer.
9801 2006-03-13 Roger Sayle <roger@eyesopen.com>
9804 * stmt.c (emit_case_nodes): Handle the case where the index is a
9805 CONST_INT, where the comparison mode is specified by the index type.
9807 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9809 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9812 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9814 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9815 (*branch_fp_inverted): Likewise.
9817 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9820 * omp-low.c (expand_omp_for_generic): Mark istart0
9821 and iend0 as addressable.
9823 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9825 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9827 2006-03-13 Jeff Law <law@redhat.com>
9829 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9830 virtual operands are interesting.
9831 (vrp_visit_stmt): Corresponding changes.
9833 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9835 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9837 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9838 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9839 * config/bfin/crti.S: Use it instead of __PIC__.
9840 * config/bfin/crtn.S: Likewise.
9842 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9843 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9845 Lose 'G' modifier for call operand.
9846 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9847 recognize 'G' modifier.
9849 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9852 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9853 * stmt.c (expand_case): Likewise.
9855 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9857 PR rtl-optimization/26254
9858 * loop-invariant.c (seq_insns_valid_p): New function.
9859 (move_invariant_reg): Only emit new code if it is valid.
9861 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9863 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9865 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9866 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9867 (commit_one_edge_insertion): Do not look for loop notes.
9869 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9871 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9872 flag_test_coverage out of loop.
9874 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9876 * final.c (shorten_branches): Remove outdated comment, and turn
9877 the if branch that guards it to continue.
9879 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9881 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9882 * cfgloop.h (struct loop): Remove unused fields.
9884 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9886 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9887 (-dL, -fdump-rtl-loop2): Update the dump file names
9889 * doc/invoke.texi: Update dump file names.
9891 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9893 * predict.c (estimate_probability): Remove.
9894 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9895 * basic-block.h (estimate_probability): Remove prototype.
9896 * passes.c (finish_optimization_passes): Dump branch prediction or
9897 profiling heuristics to the .profile tree dump.
9898 (init_optimization_passes): Unqueue pass_branch_prob.
9900 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9902 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9904 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9905 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9907 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9909 * function.h (frame_offset_overflow): Declare.
9910 * function.c (frame_offset_overflow): New function.
9911 (assign_stack_local_1): Call it to detect that the offset overflows.
9912 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9914 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9916 * config/sh/sh.c: Include alloc-pool.h.
9917 (label_ref_list_pool): New alloc pool.
9918 (label_ref_list_t): New type for lists of labels.
9919 (struct pool_node): Make wend a label_ref_list_t.
9920 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9922 (dump_table): Likewise.
9923 (sh_reorg): Set up the alloc pool before using add_constant and
9924 dump_table, and destroy it when finishing.
9926 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9928 * config/mips/mips.c: Remove redundant comment.
9930 2006-03-10 Jason Merrill <jason@redhat.com>
9933 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9934 the target was declared 'register'.
9936 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9938 * genpreds.c (write_insn_constraint_len): Change definition of
9939 insn_constraint_len to return size_t to match the declaration.
9941 2006-03-10 DJ Delorie <dj@redhat.com>
9943 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9945 (m32c_expand_insv): Fix test for an AND mask.
9947 2006-03-10 Richard Guenther <rguenther@suse.de>
9950 * builtins.c (get_pointer_alignment): Handle component
9951 references for field alignment.
9953 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9955 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9956 when building with libgloss.
9957 (sh*elf): Implement --without-fp option.
9958 (sh64-superh-linux*): Don't multilib.
9960 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9962 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9964 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9966 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9967 Set it when one of the replacement functions returned true.
9968 Return TODO_cleanup_cfg if cfgchanged is true.
9969 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9971 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9973 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9974 instead of gen_lowpart.
9976 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9978 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9980 (mips_output_order_conditional_branch): Declare.
9981 * config/mips/mips.h (MIPS_BRANCH): New macro.
9982 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9983 for the comparison. Use gen_condjump.
9984 (mips_output_conditional_branch): Rework interface to take the
9985 asm templates for a direct branch and the inverse of a direct branch.
9986 (mips_output_order_conditional_branch): New function.
9987 (mips_builtin_branch_and_move): New function.
9988 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9989 branch condition. Use gen_single_cc as the condition for
9990 __builtin_mips_upper_* or __builtin_mips_lower_*.
9991 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9992 Use VOIDmode for the branch condition.
9993 * config/mips/predicates.md (order_operator): New predicate.
9994 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9995 (branch_fp): Rename to...
9996 (*branch_fp): ...this. Remove mode from comparison operator.
9997 Use new mips_output_conditional_branch interface.
9998 (branch_fp_inverted): Rename to...
9999 (*branch_fp_inverted): ...this and update as for *branch_fp.
10000 (*branch_zero<mode>): Rename to...
10001 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10002 Use mips_output_order_conditional_branch. Only accept ordered
10004 (*branch_zero<mode>_inverted): Rename to...
10005 (*branch_order<mode>_inverted): ...this and update as for
10006 *branch_order<mode>.
10007 (*branch_equality<mode>): Accept zero as the second operand to
10008 the equality operator. Use the new mips_output_conditional_branch
10010 (*branch_equality<mode>_inverted): Likewise.
10011 (condjump): New expander.
10012 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10014 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10015 (bc1any2t, bc1any2f): Likewise.
10016 (single_cc): New expander.
10017 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10019 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10021 * doc/md.texi: Update documentation of MIPS constraints.
10022 * config/mips/constraints.md: New file.
10023 * config/mips/mips.md: Include it.
10024 * config/mips/mips.c (mips_char_to_class): Delete.
10025 (override_options): Don't initialize mips_char_to_class.
10026 * config/mips/mips.h (mips_char_to_class): Delete.
10027 (REG_CLASS_FROM_LETTER): Delete.
10028 (CONST_OK_FOR_LETTER_P): Delete.
10029 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10030 (EXTRA_CONSTRAINT_Y): Delete.
10031 (EXTRA_CONSTRAINT_STR): Delete.
10032 (CONSTRAINT_LEN): Delete.
10033 (EXTRA_MEMORY_CONSTRAINT): Delete.
10035 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10037 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10038 original fn's eh regions.
10040 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10042 * fold-const.c (build_range_check): Make sure to use a valid type to
10043 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10046 (range_predecessor): New static function.
10047 (range_successor): Likewise.
10048 (merge_ranges): Use them to compute predecessors and successors of
10051 2006-03-09 Roger Sayle <roger@eyesopen.com>
10053 PR middle-end/26561
10054 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10055 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10057 2006-03-08 DJ Delorie <dj@redhat.com>
10059 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10060 (addpsi3): Expand to include memory operands. Remove
10061 reload-specific splits.
10062 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10063 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10064 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10065 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10066 (shift1_qi, shift1_hi, insv): New.
10067 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10068 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10069 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10071 * config/m32c/m32c-protos.h: Update as needed.
10072 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10073 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10074 Fail for unrecognized R* constraints.
10075 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10076 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10077 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10079 (m32c_init_libfuncs): New.
10080 (m32c_legitimate_address_p): Add debug wrapper.
10081 (m32c_rtx_costs): New.
10082 (m32c_address_cost): New.
10083 (conversions): Add 'B' prefix.
10084 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10085 operands, or word regnames for QI operands. 'B' prints bit
10087 (m32c_expand_setmemhi): New.
10088 (m32c_expand_movmemhi): New.
10089 (m32c_expand_movstr): New.
10090 (m32c_expand_cmpstr): New.
10091 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10092 (m32c_expand_neg_mulpsi3): Handle non-ints.
10093 (m32c_cmp_flg_0): New.
10094 (m32c_expand_movcc): New.
10095 (m32c_expand_insv): New.
10096 (m32c_scc_pattern): New.
10097 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10098 a0/a1 out of SIregs.
10099 (STORE_FLAG_VALUE): New.
10100 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10103 * config/m32c/mov.md: Make constraints more liberal.
10104 (zero_extendqihi2): Optimize r0/r1 case.
10105 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10106 * config/m32c/predicates.md (m32c_any_operand): New.
10107 (m32c_nonimmediate_operand): New.
10108 (m32c_hl_operand): New.
10109 (m32c_r3_operand): New.
10112 (memsym_operand): New.
10113 (memimmed_operand): New.
10114 (a_qi_operand): New.
10115 (m32c_eqne_operator): New.
10116 (m32c_1bit8_operand): New.
10117 (m32c_1bit16_operand): New.
10118 (m32c_1mask8_operand): New.
10119 (m32c_1mask16_operand): New.
10120 * config/m32c/blkmov.md: New file.
10121 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10123 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10125 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10126 unsigned to fix signed/unsigned comparison issue in
10127 DWARF2_FRAME_REG_OUT.
10128 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10129 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10131 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10132 of ptr into the ENABLE_CHECKING section.
10134 2006-03-08 Jeff Law <law@redhat.com>
10136 * tree-vrp.c (infer_value_range): Only count pointer uses
10137 and dereferences if -fdelete-null-pointer-checks is enabled.
10139 * tree-vrp.c (find_assert_locations): Infer value ranges for
10140 single use pointers, but do not create ASSERT_EXPRs for them.
10141 When a non-null range is inferred for a pointer, backwards
10142 propagate that range to other equivalent pointers through the
10145 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10148 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10149 language hook targets.
10150 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10151 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10152 if language hook targets were missing.
10154 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10156 * tree-ssa-opfinalize.h: Removed.
10157 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10159 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10160 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10161 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10162 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10163 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10164 finalize_ssa_v_must_def_ops): New.
10166 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10168 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10169 block as parameter.
10171 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10173 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10175 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10176 addresses with offsets; reorganize.
10178 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10179 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10180 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10182 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10185 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10187 2006-03-08 Ben Elliston <bje@au.ibm.com>
10189 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10191 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10194 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10197 2006-03-07 Richard Guenther <rguenther@suse.de>
10199 PR tree-optimization/26587
10200 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10202 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10204 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10206 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10208 * hooks.c (hook_bool_mode_rtx_true): New function.
10209 * hooks.h (hook_bool_mode_rtx_true): Declare.
10210 * toplev.c (compile_file): Call output_shared_constant_pool.
10211 * varasm.c (shared_constant_pool): New variable.
10212 (assemble_start_function, assemble_end_function): Remove arguments
10213 from call to output_constant_pool.
10214 (create_constant_pool): New function, split out from...
10215 (init_varasm_status): ...here.
10216 (force_const_mem): Choose between the shared and per-function constant
10217 pools. Set current_function_uses_const_pool when reusing old entries
10218 as well as when creating new ones.
10219 (mark_constant): Ignore data argument.
10220 (mark_constants): Remove pool argument.
10221 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10222 to decide whether the function uses a constant pool.
10223 (output_constant_pool_contents): New function, split out from...
10224 (output_constant_pool): ...here.
10225 (output_shared_constant_pool): New function.
10226 (init_varasm_once): Initialize shared_constant_pool.
10227 * output.h (output_constant_pool): Delete.
10228 (output_shared_constant_pool): Declare.
10229 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10230 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10232 2006-03-06 Nick Clifton <nickc@redhat.com>
10234 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10235 flag_strength_reduce.
10237 2006-03-06 Ben Elliston <bje@au.ibm.com>
10239 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10240 x86_64-*-linux* configurations.
10242 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10243 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10245 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10247 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10249 * basic-block.h: Remove the extern for
10250 rediscover_loops_after_threading.
10252 * cfgloop.c (cancel_loop): Make it static.
10253 * cfgloop.h: Remove the prototype for cancel_loop.
10255 * flow.c (recompute_reg_usage): Make it static.
10256 * rtl.h: Remove the prototype for recompute_reg_usage.
10258 * function.c (use_return_register): Make it static.
10259 * function.h: Remove the prototype.
10261 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10263 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10265 * recog.h: Remove the prototype for
10266 validate_change_maybe_volatile.
10268 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10270 * rtlanal.c (replace_reg): Remove.
10271 * rtl.h: Remove the prototype for replace_reg.
10273 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10275 * regclass.c (reg_scan_update): Remove.
10276 (reg_scan_mark_refs): Remove the last argument.
10277 * rtl.h: Remove the prototype for reg_scan_update.
10279 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10281 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10282 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10283 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10284 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10285 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10286 loop-invariant.c, omp-low.c, opts.c, passes.c,
10287 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10288 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10289 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10290 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10291 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10292 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10294 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10296 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10297 * dwarf2out.h: Remove the prototype for
10298 dwarf2out_add_library_unit_info.
10300 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10302 * tree.c (add_var_to_bind_expr): Remove.
10303 * tree.h: Remove the prototype for add_var_to_bind_expr.
10305 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10307 * regclass.c (n_non_fixed_regs): Remove.
10308 (init_reg_sets_1, globalize_reg): Remove all uses of
10310 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10312 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10314 * rtlanal.c (insns_safe_to_move_p): Remove.
10315 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10317 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10319 * expmed.c (expand_mult_add): Remove.
10320 * expr.h: Remove the prototype for expand_mult_add.
10322 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10324 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10325 and REG_SAVED_VAL_EXP constants.
10326 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10327 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10328 Handle regs stored by value.
10329 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10330 (execute_cfa_program): Handle DW_CFA_val_offset,
10331 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10332 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10333 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10334 (uw_install_context_1): Handle target regs stored by value.
10336 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10338 * tree-sra.c (tree_sra): Return todoflags;
10339 (generate_one_element): Set TODO_update_smt_usage if needed.
10340 (pass_sra): Remove TODO_update_smt_usage.
10341 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10343 (tree_ssa_forward_propagate_single_use_vars): Return
10344 TODO_update_smt_usage if we need to update SMT usage.
10345 (pass_forwprop): Remove TODO_update_smt_usage.
10347 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10349 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10350 (correct_use_link): Remove reference to get_stmt_operands.
10351 (update_stmt_operands): Likewise.
10352 (get_modify_expr_operands): New function factored out of
10353 parse_ssa_operands and get_expr_operands.
10354 Try to create V_MUST_DEFs for LHS by default.
10355 (get_expr_operands) <case MODIFY_EXPR>: Call
10356 get_modify_expr_operands.
10357 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10358 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10359 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10360 get_modify_expr_operands.
10362 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10364 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10365 * tree-flow.h: Remove the prototype for
10366 referenced_var_lookup_if_exists.
10368 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10370 PR rtl-optimization/26345
10372 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10374 2006-03-03 Roger Sayle <roger@eyesopen.com>
10376 PR tree-optimization/26524
10377 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10378 fold_convert to create a constant of the appropriate type.
10380 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10382 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10383 SYMBOL_REF_IN_BLOCK_P.
10384 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10385 of SYMBOL_FLAG_IN_BLOCK.
10386 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10387 instead of SYMBOL_REF_IN_BLOCK_P.
10388 * explow.c (use_anchored_address): Likewise.
10389 * rtl.c (rtx_size): Likewise.
10390 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10391 instead of SYMBOL_FLAG_IN_BLOCK.
10392 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10393 SYMBOL_REF_IN_BLOCK_P.
10394 (assemble_variable): Likewise.
10395 (output_constant_def_contents): Likewise.
10396 (output_constant_pool): Likewise.
10397 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10398 instead of SYMBOL_FLAG_IN_BLOCK.
10399 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10400 SYMBOL_REF_IN_BLOCK_P.
10401 (SYMBOL_REF_BLOCK): Likewise.
10402 (SYMBOL_REF_OFFSET): Likewise.
10403 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10404 SYMBOL_REF_IN_BLOCK_P.
10405 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10406 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10407 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10408 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10410 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10412 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10414 2006-03-02 Roger Sayle <roger@eyesopen.com>
10416 * simplify-rtx.c (simplify_unary_operation): When simplifying
10417 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10418 that we perform the right shift in the appropriate mode, and
10419 then extend or truncate the result to requested mode.
10421 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10423 * gengtype.c (main): Handle double_int type.
10424 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10425 * double-int.c: New file.
10426 * double-int.h: New file.
10427 * system.h: Include doubleint.h.
10428 * Makefile.in (SYSTEM_H): Include double-int.h.
10429 (double-int.o): Add.
10431 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10434 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10437 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10439 * tree-vrp.c (remove_range_assertions): Do not update statements
10442 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10444 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10446 * gcse.c (rest_of_handle_gcse): Ditto.
10447 * except.c (gate_handle_eh): Ditto.
10448 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10449 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10451 2006-03-02 Eric Christopher <echristo@apple.com>
10453 * config/i386/i386.c (machopic_output_stub): Add indirection to
10456 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10460 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10462 Sun Niagara specific optimizations.
10463 * config.gcc: Recognize niagara as target.
10464 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10465 (TARGET_CPU_niagara): Define.
10466 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10467 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10468 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10469 (ASM_CPU_SPEC): Likewise.
10470 (PROCESSOR_NIAGARA): New enum entry.
10471 (REGISTER_MOVE_COST): Handle Niagara.
10472 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10473 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10474 (sparc_override_options): Recognize "niagara", set appropriate
10475 default MASK_* values for it, and align functions to 32-bytes
10476 by default just like ULTRASPARC/ULTRASPARC3.
10477 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10478 (sparc64_initialize_trampoline): Likewise.
10479 (sparc_use_sched_lookahead): Use zero for niagara.
10480 (sparc_issue_rate): Use one for niagara.
10481 * config/sparc/niagara.md: New file.
10482 * config/sparc/sparc.md: Include it.
10483 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10484 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10485 when default cpu is niagara.
10486 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10487 (ASM_CPU_SPEC): Likewise.
10488 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10489 when default cpu is niagara.
10490 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10491 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10492 just like v9/ultrasparc/ultrasparc3.
10493 * doc/invoke.texi: Add documentation for "niagara" and improve
10494 existing documentation for ultrasparc variants.
10496 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10498 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10500 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10502 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10503 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10504 and say that only one is needed.
10505 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10506 * target.h (have_switchable_bss_sections): New hook.
10507 * explow.c (use_anchored_address): Check that the symbol is in a block.
10508 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10509 (bss_noswitch_section): New variables.
10510 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10511 (get_noswitch_section): New function.
10512 (get_block_for_section): Allow SECT to be null.
10513 (unlikely_text_section_p): Use SECTION_STYLE.
10514 (bss_initializer_p): New function.
10515 (get_variable_section): Move earlier in file. Take a new argument,
10516 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10517 Return one of the new *_sections in such cases.
10518 (get_block_for_decl): New function, extracting some logic from
10519 use_blocks_for_decl_p.
10520 (change_symbol_section): Remove in favor of...
10521 (change_symbol_block): ...this new function.
10522 (use_blocks_for_decl_p): Remove checks now performed by
10523 get_block_for_decl.
10524 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10525 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10526 (emit_local, emit_bss, emit_common): ...these new functions.
10527 Return true if the alignment was honored.
10528 (emit_tls_common): New function.
10529 (asm_emit_uninitialised): Delete.
10530 (assemble_variable_noswitch): New function, split out from...
10531 (assemble_variable): ...here. Don't make decisions about common
10532 variables here. Globalize all public decls that go into non-common
10533 sections. Check whether SYMBOL_REF_BLOCK is null.
10534 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10535 (output_constant_pool): Likewise.
10536 (init_varasm_once): Initialize the new section variables.
10537 (have_global_bss_p): New function.
10538 (categorize_decl_for_section): Use bss_initializer_p.
10539 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10540 (place_block_symbol): Assert that the symbol must be in a block.
10541 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10542 (TARGET_INITIALIZER): Include it.
10543 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10544 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10545 (SECTION_MACH_DEP): Bump by two.
10546 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10547 (unnamed_section): Mention SECTION_UNNAMED in comment.
10548 (named_section): Likewise SECTION_NAMED.
10549 (noswitch_section_callback): New type.
10550 (noswitch_section): New structure.
10551 (section): Add a noswitch_section alternative.
10552 (SECTION_STYLE): New macro.
10553 (tls_comm_section, comm_section, lcomm_section): Declare.
10554 (bss_noswitch_section, have_global_bss_p): Declare.
10555 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10556 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10558 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10559 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10562 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10564 * tree-vrp.c (execute_vrp): Return value.
10565 * regrename.c (rest_of_handle_regrename): Ditto.
10566 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10567 * tree-complex.c (tree_lower_complex): Ditto.
10568 (tree_lower_complex_O0): Ditto.
10569 * tracer.c (rest_of_handle_tracer): Ditto.
10570 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10571 * postreload.c (rest_of_handle_postreload): Ditto.
10572 * tree-tailcall.c (execute_tail_recursion): Ditto.
10573 (execute_tail_calls): Ditto.
10574 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10575 * tree.h (init_function_for_compilation): Ditto.
10576 * ipa-cp.c (ipcp_driver): Ditto.
10577 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10578 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10579 * final.c (compute_alignments): Ditto.
10580 (rest_of_handle_final): Ditto.
10581 (rest_of_handle_shorten_branches): Ditto.
10582 (rest_of_clean_state): Ditto.
10583 * omp-low.c (execute_expand_omp): Ditto.
10584 (execute_lower_omp): Ditto.
10585 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10586 * ipa-reference.c (static_execute): Ditto.
10587 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10588 * reorg.c (rest_of_handle_delay_slots): Ditto.
10589 (rest_of_handle_machine_reorg): Ditto.
10590 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10591 * flow.c (recompute_reg_usage): Ditto.
10592 (rest_of_handle_remove_death_notes): Ditto.
10593 (rest_of_handle_life): Ditto.
10594 (rest_of_handle_flow2): Ditto.
10595 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10596 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10597 (do_ssa_store_ccp): Ditto.
10598 (execute_fold_all_builtins): Ditto.
10599 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10600 * modulo-sched.c (rest_of_handle_sms): Ditto.
10601 * ipa-pure-const.c (static_execute): Ditto.
10602 * cse.c (rest_of_handle_cse): Ditto.
10603 (rest_of_handle_cse2): Ditto.
10604 * web.c (rest_of_handle_web): Ditto.
10605 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10606 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10607 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10608 * tree-nrv.c (tree_nrv): Ditto.
10609 (execute_return_slot_opt): Ditto.
10610 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10611 (create_structure_vars): Ditto.
10612 * loop-init.c (rtl_loop_init): Ditto.
10613 (rtl_loop_done): Ditto.
10614 (rtl_move_loop_invariants): Ditto.
10615 (rtl_unswitch): Ditto.
10616 (rtl_unroll_and_peel_loops): Ditto.
10617 (rtl_doloop): Ditto.
10618 * gimple-low.c (lower_function_body): Ditto.
10619 (mark_used_blocks): Ditto.
10620 * tree-ssa-sink.c (execute_sink_code): Ditto.
10621 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10622 (cgraph_early_inlining): Ditto.
10623 * global.c (rest_of_handle_global_alloc): Ditto.
10624 * jump.c (cleanup_barriers): Ditto.
10625 (purge_line_number_notes): Ditto.
10626 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10627 (rest_of_handle_if_after_reload): Ditto.
10628 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10629 (tree_ssa_loop_im): Ditto.
10630 (tree_ssa_loop_unswitch): Ditto.
10631 (tree_vectorize): Ditto.
10632 (tree_linear_transform): Ditto.
10633 (tree_ssa_loop_ivcanon): Ditto.
10634 (tree_ssa_empty_loop): Ditto.
10635 (tree_ssa_loop_bounds): Ditto.
10636 (tree_complete_unroll): Ditto.
10637 (tree_ssa_loop_prefetch): Ditto.
10638 (tree_ssa_loop_ivopts): Ditto.
10639 (tree_ssa_loop_done): Ditto.
10640 * predict.c (tree_estimate_probability): Ditto.
10641 * recog.c (split_all_insns_noflow): Ditto.
10642 (rest_of_handle_peephole2): Ditto.
10643 (rest_of_handle_split_all_insns): Ditto.
10644 * tree-eh.c (lower_eh_constructs): Ditto.
10645 * regmove.c (rest_of_handle_regmove): Ditto.
10646 (rest_of_handle_stack_adjustments): Ditto.
10647 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10648 * function.c (instantiate_virtual_regs): Ditto.
10649 (init_function_for_compilation): Ditto.
10650 (rest_of_handle_check_leaf_regs): Ditto.
10651 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10652 (rest_of_handle_gcse): Ditto.
10653 * ipa-type-escape.c (type_escape_execute): Ditto.
10654 * alias.c (rest_of_handle_cfg): Ditto.
10655 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10656 * profile.c (rest_of_handle_branch_prob): Ditto.
10657 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10658 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10659 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10660 * tree-dfa.c (find_referenced_vars): Ditto.
10661 * except.c (set_nothrow_function_flags): Ditto.
10662 (convert_to_eh_region_ranges): Ditto.
10663 (rest_of_handle_eh): Ditto.
10664 * emit-rtl.c (unshare_all_rtl): Ditto.
10665 (remove_unnecessary_notes): Ditto.
10666 * except.h (set_nothrow_function_flags): Ditto.
10667 (convert_to_eh_region_ranges): Ditto.
10668 * cfgexpand.c (tree_expand_cfg): Ditto.
10669 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10670 * tree-ssa-pre.c (do_pre): Ditto.
10671 (execute_fre): Ditto.
10672 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10673 (rest_of_handle_jump2): Ditto.
10674 * tree-sra.c (tree_sra): Ditto.
10675 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10676 (execute_mudflap_function_decls): Ditto.
10677 * tree-ssa-copy.c (do_copy_prop): Ditto.
10678 (do_store_copy_prop): Ditto.
10679 * ipa-prop.h (ipcp_driver): Ditto.
10680 * cfglayout.c (insn_locators_initialize): Ditto.
10681 * tree-ssa-forwprop.c
10682 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10683 * cfglayout.h (insn_locators_initialize): Ditto.
10684 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10685 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10686 (execute_late_warn_uninitialized): Ditto.
10687 * rtl.h (cleanup_barriers): Ditto.
10688 (split_all_insns_noflow): Ditto.
10689 (purge_line_number_notes): Ditto.
10690 (unshare_all_rtl): Ditto.
10691 (remove_unnecessary_notes): Ditto.
10692 (recompute_reg_usage): Ditto.
10693 (variable_tracking_main): Ditto.
10694 * integrate.c (emit_initial_value_sets): Ditto.
10695 * integrate.h (emit_initial_value_sets): Ditto.
10696 * tree-optimize.c (execute_free_datastructures): Ditto
10697 (execute_free_cfg_annotations): Ditto.
10698 (execute_fixup_cfg): Ditto.
10699 (execute_cleanup_cfg_pre_ipa): Ditto.
10700 (execute_cleanup_cfg_post_optimizing): Ditto.
10701 (execute_init_datastructures): Ditto.
10702 * tree-object-size.c (compute_object_sizes): Ditto.
10703 * combine.c (rest_of_handle_combine): Ditto.
10704 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10705 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10706 (rest_of_handle_reorder_blocks): Ditto.
10707 (rest_of_handle_partition_blocks): Ditto.
10708 * var-tracking.c (variable_tracking_main): Ditto.
10709 * tree-profile.c (tree_profiling): Ditto.
10710 * tree-vect-generic.c (expand_vector_operations): Ditto.
10711 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10712 * sched-rgn.c (rest_of_handle_sched): Ditto.
10713 (rest_of_handle_sched2): Ditto.
10714 * basic-block.h (free_bb_insn): Ditto.
10715 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10716 * tree-cfg.c (execute_build_cfg): Ditto.
10717 (remove_useless_stmts): Ditto.
10718 (split_critical_edges): Ditto.
10719 (execute_warn_function_return): Ditto.
10720 (execute_warn_function_noreturn): Ditto.
10721 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10722 * cfgrtl.c (free_bb_for_insn): Ditto.
10723 * passes.c (execute_one_pass): Run additional
10724 todos returned by execute function.
10725 * tree-pass.h (struct tree_opt_pass): Make execute
10728 2006-03-02 Richard Guenther <rguenther@suse.de>
10730 * tree-ssa-alias.c (find_used_portions): Consider taking
10731 the address as making the variable not write-only.
10733 2006-03-02 Nick Clifton <nickc@redhat.com>
10735 * config.gcc (default_use_cxa_atexit): Extend the description of
10736 this configure variable. Set its default value to "yes" for
10737 Linux, NetBSD and ELF targets on the assumption that they will
10738 use C libraries with the __cxa_atexit function.
10740 2006-03-02 Ben Elliston <bje@au.ibm.com>
10742 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10743 parameter as unused to suppress a build warning.
10745 2006-03-02 Ben Elliston <bje@au.ibm.com>
10747 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10750 2006-03-01 Roger Sayle <roger@eyesopen.com>
10753 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10754 declared name, the weak reference name, and the typeof name.
10755 (__gthrw): Avoid expanding the declared name suffix.
10756 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10758 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10760 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10762 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10763 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10764 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10765 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10766 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10767 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10768 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10769 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10770 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10771 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10772 (DW_END_default, DW_END_big, DW_END_little): New.
10773 (DW_END_lo_user, DW_END_hi_user): Define.
10774 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10775 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10776 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10779 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10781 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10783 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10785 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10787 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10789 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10790 to 'symbol_mem_tag'.
10792 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10795 2006-03-01 Roger Sayle <roger@eyesopen.com>
10797 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10799 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10802 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10803 MACHO_DYNAMIC_NO_PIC_P.
10804 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10806 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10809 * config/darwin-protos.h (darwin_asm_output_anchor):
10811 * config/darwin-sections.def (cstring_section):
10812 Add SECTION_MERGE to the flags.
10813 (literal4_section): Likewise.
10814 (literal8_section): Likewise.
10815 (objc_selector_refs_section): Likewise.
10816 (objc_cls_refs_section): Likewise.
10817 * config/darwin.c (darwin_asm_output_anchor): New
10819 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10821 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10823 Fix PR tree-optimization/26443
10824 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10825 to todo and PROP_tmt_usage to properties_destroyed.
10826 * tree-ssa-ccp.c (pass_ccp): Ditto.
10827 (pass_store_ccp): Ditto.
10828 * tree-ssa-dom.c (pass_dominator): Ditto.
10830 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10832 * tree-ssa-operands.c: Cleanup whitespace.
10833 (get_asm_expr_operands): Move before first invocation.
10834 (get_indirect_ref_operands): Likewise.
10835 (get_tmr_operands): Likewise.
10836 (get_call_expr_operands): Likewise.
10837 (append_def): Likewise.
10838 (append_use): Likewise.
10839 (append_v_may_def): Likewise.
10840 (append_v_must_def): Likewise.
10841 (add_call_clobber_ops): Likewise.
10842 (add_call_read_ops): Likewise.
10843 (add_stmt_operand): Likewise.
10844 (add_virtual_operand): Likewise.
10845 (build_ssa_operands): Likewise.
10847 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10849 PR middle-end/26022
10851 PR middle-end/24437
10852 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10853 with a call expr to ...
10854 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10856 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10858 * tree-vrp.c (extract_range_from_assert): Remove special
10859 handling for types with super-types.
10861 2006-03-01 Ben Elliston <bje@au.ibm.com>
10863 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10864 and powerpc64-*-linux* configurations.
10865 * config/t-dfprules: New file.
10867 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10868 Compile dfp-bit.c from the source directory using -DWIDTH and
10869 $DFP_CFLAGS to control the compilation of that file, rather than
10870 generating width-specific versions in the build directory.
10871 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10872 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10874 2006-02-28 Zack Weinberg <zackw@panix.com>
10876 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10879 2006-02-28 Eric Christopher <echristo@apple.com>
10881 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10882 Set up IN_LIBGCC definition of TARGET_64BIT.
10883 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10885 2006-02-28 Roger Sayle <roger@eyesopen.com>
10887 PR middle-end/14752
10888 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10889 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10890 cases via the construction of "expr != 0".
10892 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10894 * alias.c (alias_invariant, alias_invariant_size): Remove.
10895 (record_base_value): Remove.
10896 (memrefs_conflict_p): Don't look at alias_invariant.
10897 (end_alias_analysis): Don't free it.
10898 * alias.h (record_base_value): Remove prototype.
10900 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10901 Adam Nemet <anemet@caviumnetworks.com>
10903 * rtl.h (truncated_to_mode): Declare it.
10904 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10905 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10906 (RTL_HOOKS_INITIALIZER): Include it.
10907 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10908 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10909 reg_truncated_to_mode.
10910 * rtlanal.c (truncated_to_mode): Define it.
10911 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10913 2006-02-28 Jeff Law <law@redhat.com>
10915 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10916 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10917 the range allowed by TYPE_PRECISION.
10919 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10921 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10923 PR tree-optimization/26419
10924 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10927 2006-02-27 Zack Weinberg <zackw@panix.com>
10929 * doc/md.texi: Fix typo in previous change.
10931 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10935 2006-02-27 Zack Weinberg <zackw@panix.com>
10937 * rtl.def (define_constraint, define_register_constraint)
10938 (define_memory_constraint, define_address_constraint): New MD forms.
10939 * gensupport.c (process_rtx): Put define_constraint etc on the
10941 * genpreds.c (process_define_predicate): Adjust comment. Validate
10942 the name, and call validate_exp to validate the expression.
10943 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10944 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10945 all callers changed.
10946 (validate_exp, needs_variable, struct constraint_data)
10947 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10948 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10949 (const_dbl_constraints, constraint_max_namelen)
10950 (have_register_constraints, have_memory_constraints)
10951 (have_address_constraints, have_address_constraints)
10952 (have_extra_constraints, have_const_int_constraints)
10953 (have_const_dbl_constraints, mangle, add_constraint)
10954 (process_define_constraint, process_define_register_constraint)
10955 (write_enum_constraint_num, write_lookup_constraint)
10956 (write_insn_constraint_len, write_regclass_for_constraint)
10957 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10958 (write_insn_extra_memory_constraint)
10959 (write_insn_extra_address_constraint)
10960 (write_satisfies_constraint_fns): New.
10961 (write_tm_preds_h): If we have new-style constraint definitions,
10962 prototype the functions generated from them, and define the
10963 old constraint interface (still used by generic code) in terms of
10965 (write_insn_preds_c): If we have new-style constraint definitions,
10966 generate all relevant functions from those definitions.
10967 (main): Handle define_constraint etc.
10968 * genoutput.c (struct constraint_data, indep_constraints)
10969 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10970 (mdep_constraint_len): New data structures and functions, defined
10971 #ifdef USE_MD_CONSTRAINTS.
10972 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10973 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10974 use new logic to validate operand constraints against constraint
10976 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10978 * defaults.h: If none of the old-style constraint macros are
10979 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10980 old-style macros; and poison REG_CLASS_FROM_LETTER,
10981 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10983 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10984 * doc/md.texi: Document new constraint-definition mechanism and the
10985 C interface it provides. Remove references to old mechanism
10986 elsewhere in the document.
10987 (Machine Constraints): Use pathnames relative to gcc directory,
10988 i.e. config/ARCH/FILE. Change i386 section to refer to
10989 config/i386/predicates.md; update that section to match docstrings.
10990 * doc/tm.texi: Move all documentation of the old constraint-
10991 definition macros to their own section, clearly mark as obsolete.
10993 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10994 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10996 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10997 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10998 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10999 constraint strings.
11000 (splits and peepholes): Use satisfies_constraint_*.
11001 * config/i386/i386.c (memory_address_length)
11002 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11004 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11006 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11007 scalar operation to be put back into the loop.
11009 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11012 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11013 (extract_cie_info): Handle S flag in augmentation string.
11014 (execute_cfa_program): If context->signal_frame, execute also
11015 fs->pc == context->ra instructions.
11016 (uw_frame_state_for): If context->signal_frame, don't subtract one
11017 from context->ra to find FDE.
11018 (uw_update_context_1): Set context->signal_frame to
11020 (_Unwind_GetIPInfo): New function.
11021 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11022 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11024 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11025 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11026 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11027 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11028 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11029 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11030 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11031 x86_64_fallback_frame_state): Set fs->signal_frame.
11032 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11033 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11034 (frob_update_context): Likewise. Workaround missing S flag in
11035 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11036 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11037 Remove the psw_addr + 1 hack.
11039 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11041 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11042 with aggregates here.
11043 (find_func_aliases): Remove code for &<aggregate> from here.
11045 2006-02-26 Roger Sayle <roger@eyesopen.com>
11047 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11048 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11049 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11050 as (X & C) ne/eq 0.
11052 2006-02-26 Roger Sayle <roger@eyesopen.com>
11054 PR middle-end/19983
11055 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11057 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11059 * opts.c (decode_options): Do not handle flag_strength_reduce.
11060 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11061 and OPT_fstrength_reduce.
11062 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11063 flag_prefetch_loop_arrays for being nonzero.
11064 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11066 (fprefetch-loop-arrays-rtl): Removed.
11067 (flag_prefetch_loop_arrays): Do not specify the value.
11069 * doc/passes.texi: Update documentation of loop optimizer
11071 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11072 -frerun-loop-opt): Remove.
11074 2006-02-26 Richard Guenther <rguenther@suse.de>
11076 PR tree-optimization/26421
11077 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11078 in function calls that are ADDR_EXPRs as using the whole structure.
11080 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11082 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11083 * tree-pass.h (pass_loop_optimize): Remove.
11084 * passes.c (pass_loop_optimize): Never run it.
11085 * toplev.c (backend_init): Don't call init_loop.
11086 * opts.c (flag_loop_optimize_set): Remove.
11087 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11088 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11089 the old RTL loop optimizer when profiling enabled.
11090 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11091 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11092 pre-headers for the sake of the old RTL loop optimizer.
11093 * Makefile.in: Remove all references to loop.o.
11095 * doc/invoke.texi: Remove all references to -floop-optimize
11096 and -frerun-loop-opt.
11098 2006-02-26 Zack Weinberg <zackw@panix.com>
11100 * doc/md.texi (Machine Constraints): Refer to all files with paths
11101 relative to gcc directory (i.e. config/CPU/file). Add missing
11102 @table @code ... @end table to M32C subsection.
11104 2006-02-26 Roger Sayle <roger@eyesopen.com>
11106 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11108 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11110 2006-02-26 Roger Sayle <roger@eyesopen.com>
11111 James A. Morrison <phython@gcc.gnu.org>
11113 PR middle-end/21137
11114 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11115 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11116 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11117 signedness of the shift operation.
11119 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11121 PR tree-optimization/26359
11122 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11124 2006-02-25 Roger Sayle <roger@eyesopen.com>
11126 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11127 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11128 as X == 0, and some symmetry related transformations.
11129 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11131 2006-02-25 Roger Sayle <roger@eyesopen.com>
11133 PR middle-end/23673
11134 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11135 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11136 symmetry related transformations. Fold (X^C1) == C2 as
11139 2006-02-25 Juergen Weigert <jw@suse.de>
11140 Richard Guenther <rguenther@suse.de>
11142 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11144 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11146 * combine.c (gen_lowpart_or_truncate): Call
11147 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11149 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11151 * doc/invoke.texi: Move -fopenmp description to "Options for
11153 Remove reference to -lgomp.
11155 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11157 * doc/install.texi: Require GNU tar version 1.14.
11159 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11161 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11162 * doc/invoke.texi (C++ Dialect Options): Document
11163 -fno-use-cxa-get-exception-ptr.
11164 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11165 * configure: Regenerate.
11166 * c.opt (fuse-cxa-get-exception-ptr): New.
11167 * c-opts.c (c_common_handle_option): Handle
11168 OPT_fuse_cxa_get_exception_ptr.
11169 * c-common.c (flag_use_cxa_atexit): Update documentation.
11170 (flag_use_cxa_get_exception_ptr): New.
11171 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11172 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11174 (C_COMMON_OVERRIDE_OPTIONS): New.
11176 2006-02-24 Roger Sayle <roger@eyesopen.com>
11178 PR middle-end/24952
11179 * combine.c (try_combine): Explicitly check whether GET_CODE is
11180 a SET or a CLOBBER, instead on checking that it isn't a USE.
11182 2006-02-24 Roger Sayle <roger@eyesopen.com>
11184 * fold-const.c (fold_comparison): New subroutine of fold_binary
11185 containing transformations common to both the equality and
11186 ordering relational operators, factored out of fold_binary.
11187 (fold_binary): Separate out the equality operators (EQ_EXPR
11188 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11189 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11190 transformations common to both.
11191 (fold_div_compare): Fix latent bugs in the previously unreachable
11192 LT_EXPR and GE_EXPR cases.
11194 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11196 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11197 decl libname for clog to __clog on AIX.
11199 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11201 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11204 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11205 output traceback table for thunks. Localise rs6000_stack_info call.
11207 2006-02-23 Roger Sayle <roger@eyesopen.com>
11208 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11210 * gthr-posix.h (__gthrw): Fix typo in comment.
11212 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11214 * doc/cpp.texi (Character sets): Document that we do support
11215 input files to be in any character set.
11217 2006-02-23 Jeff Law <law@redhat.com>
11219 * tree.h (PHI_ARG_NONZERO): Remove.
11220 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11221 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11222 node to the new node.
11224 PR tree-optimization/26425
11225 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11226 min/max, then assume its varying.
11228 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11230 PR rtl-optimization/26316
11231 * rtlanal.c (enum may_trap_p_flags): New.
11232 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11233 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11234 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11235 (may_trap_after_code_motion_p): New function.
11236 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11237 (find_invariant_insn): Use may_trap_after_code_motion_p.
11238 * rtl.h (may_trap_after_code_motion_p): Declare.
11240 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11242 * emit-rtl.c (immed_double_const): Cleanup.
11244 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11246 Fix PR tree-optimization/26376
11247 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11250 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11252 PR middle-end/26412
11253 * gimplify.c (omp_add_variable): Guard variable size decl test with
11254 DECL_SIZE (decl) check.
11256 2006-02-23 Richard Guenther <rguenther@suse.de>
11258 PR middle-end/26439
11259 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11260 like aggregate types.
11262 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11264 * configure.ac: Add --with{,out}-long-double-128 configure option.
11265 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11266 * configure: Rebuilt.
11267 * config.in: Rebuilt.
11268 * doc/install.texi (Options specification): Document
11269 --with-long-double-128.
11271 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11272 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11273 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11274 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11276 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11278 * config/s390/s390.c (override_options): Handle
11279 TARGET_DEFAULT_LONG_DOUBLE_128.
11281 * config/alpha/alpha.c (override_options): Handle
11282 TARGET_DEFAULT_LONG_DOUBLE_128.
11284 * config/sparc/sparc.c (sparc_override_options): Handle
11285 TARGET_DEFAULT_LONG_DOUBLE_128.
11287 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11289 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11290 (real-install-headers-tar, real-install-headers-cpio)
11291 (real-install-headers-cp): New targets.
11293 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11295 * tree.h (variable_section): Delete.
11296 * varasm.c (variable_section): Delete.
11298 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11300 * install.texi: Add notes on install.texi2html.
11301 (Building in parallel): Do not use footnotes.
11303 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11306 * doc/install.texi (Configuration): Document --disable-libgomp.
11308 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11310 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11312 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11314 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11315 (vec_extractv2df_0_sse): New.
11317 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11319 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11320 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11321 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11322 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11323 to the result of the expression.
11324 (def_cfa_1): Adjust.
11325 (frame_pointer_cfa_offset): Rename to...
11326 (frame_pointer_fb_offset): ... this. Adjust all uses.
11327 (convert_cfa_to_loc_list): Rename to...
11328 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11329 Pass it on to build_cfa_loc.
11330 (compute_frame_pointer_to_cfa_displacement): Rename to...
11331 (compute_frame_pointer_to_fb_displacement): ... this. New
11332 offset parameter. Use it in computation.
11333 (gen_subprogram_die): Compute cfa_fb_offset with the new
11334 macro, and use it to compute the fb loc list and the
11337 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11339 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11340 replaced with register_operand.
11341 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11342 non-DREG is expensive.
11343 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11344 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11347 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11349 * doc/install.texi2html: Use set -e.
11351 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11353 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11354 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11355 * doc/invoke.texi (-fshared-data): Delete.
11356 * common.opt (fshared-data): Delete.
11357 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11358 (assemble_static_space): Remove #if 0 code.
11359 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11360 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11361 * config/cris/cris.h: Remove FIXME.
11363 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11365 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11368 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11370 PR middle-end/26379
11371 * combine.c (simplify_shift_const_1): Disable nested shifts
11372 optimization for vector shifts.
11374 2006-02-20 Roger Sayle <roger@eyesopen.com>
11376 PR tree-optimization/26361
11377 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11378 of unsigned integer types.
11380 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11382 * tree-chrec.c (eq_evolutions_p): New.
11383 * tree-chrec.h (eq_evolutions_p): Declared.
11384 * tree-data-ref.c: Fix formatting.
11385 (datadep_stats, dependence_stats): New.
11387 (print_direction_vector): New.
11388 (dump_data_dependence_relation): Use print_direction_vector.
11389 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11390 (compute_subscript_distance): Static.
11391 (initialize_data_dependence_relation): Static. Get the number
11392 of loops surrounding the references from the callers, and initialize
11393 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11394 base_object_differ_p analyzers.
11395 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11396 compute_overlap_steps_for_affine_1_2,
11397 analyze_subscript_affine_affine): Count the classified dependences.
11398 Print a message when a test failed.
11399 (can_use_analyze_subscript_affine_affine): New.
11400 (analyze_siv_subscript): Compute the data dependences on symbolic
11401 scevs that verify can_use_analyze_subscript_affine_affine.
11402 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11403 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11404 Handle symbolic scevs.
11405 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11407 (subscript_dependence_tester): Moved...
11408 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11409 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11410 DDR_SIZE_VECT instead of getting it in parameter.
11411 (subscript_dependence_tester): ... here. Take as a parameter
11412 loop_nest_depth. Call build_classic_dist_vector and
11413 build_classic_dir_vector.
11414 (compute_affine_dependence): Update subscript_dependence_tester
11415 parameters. Update datadep_stats counters. Call
11416 compute_subscript_distance.
11417 (compute_self_dependence): Save the dist and dir vectors. Call
11418 compute_subscript_distance.
11419 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11420 (compute_all_dependences): Reorder parameters as they were before
11421 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11422 compute_subscript_distance. Update the use of
11423 compute_affine_dependence and initialize_data_dependence_relation.
11424 (find_data_references_in_loop): Handle COMPONENT_REF.
11425 (compute_data_dependences_for_loop): Initialize dependence_stats.
11426 Don't call build_classic_dist_vector and build_classic_dir_vector.
11427 Update the parameters of initialize_data_dependence_relation and
11428 compute_all_dependences. Print the statistics from datadep_stats.
11429 (analyze_all_data_dependences): Static. Not used until the pass for
11430 checking the data dependences is contributed.
11431 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11432 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11433 (initialize_data_dependence_relation, compute_affine_dependence,
11434 analyze_all_data_dependences, compute_subscript_distance): Removed.
11435 (print_direction_vector): New.
11436 * lambda.h (gcd): ... here.
11437 (lambda_vector_gcd): Moved here from gcd_vector.
11438 * lambda-code.c (gcd, gcd_vector): Removed.
11439 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11440 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11442 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11444 * ipa-type-escape.c: Tidy some comments and white space.
11445 * tree-ssa-operands.c: Likewise.
11447 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11450 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11451 (dump_decl_name): Do not walk the decl tree chains.
11452 * tree-pass.h (TDF_CHAIN): Remove.
11454 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11456 * Makefile.in (C): Remove
11458 (.PHONY): Remove C and PROTO
11460 2006-02-20 Roger Sayle <roger@eyesopen.com>
11462 PR middle-end/26236
11463 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11464 deprecated CHAR_TYPE tree code.
11466 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11468 * configure.ac (target_list): Add install-info, dvi, html.
11469 * configure: Regenerate.
11471 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11472 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11473 treelang/Make-lang.in: Do not use double-colon rules.
11475 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11477 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11478 (TMT_USED_ALONE): New macro.
11479 * tree-pass.h (PROP_tmt_usage): New property.
11480 (TODO_update_tmt_usage): New todo.
11481 * tree-ssa-alias.c (updating_used_alone): New variable.
11482 (recalculate_used_alone): New function.
11483 (compute_may_aliases): Set updating_used_alone, call
11484 recalculate_used_alone.
11485 * tree-sra.c (pass_sra): Note that this pass destroys
11486 PROP_tmt_usage, and add TODO_update_tmt_usage.
11487 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11488 * tree-flow.h (updating_used_alone): Prototype.
11489 (recalculate_used_alone): Ditto.
11490 * passes.c (execute_todo): Add code to set updating_used_alone,
11491 and call recalculate.
11492 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11493 for clobber if used alone, and add assert to verify used_alone
11496 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11498 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11499 for non tls symbols added.
11500 (legitimize_address): Do nothing for PLUS expressions if one of the
11501 addends is a tls symbol reference.
11503 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11507 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11509 * Makefile.in (BOOTSTRAPPING): New.
11510 (quickstrap): New definition if BOOTSTRAPPING=yes.
11512 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11513 * configure.ac: Substitute all_selected_languages with the languages
11514 that were configured. For all the other variables except
11515 lang_specs_files, include all the languages in the tree.
11516 * configure: Regenerate.
11518 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11519 if there is one. Run the commands to run fixincludes in the same
11522 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11523 * doc/install.texi: Document exact conventions for searching target tools.
11524 Document --with-build-time-tools. Document toplevel bootstrap. Document
11525 something more about building an Ada cross-compiler. Don't list GNU Make
11526 requirements which affect all platforms.
11528 2006-02-19 Roger Sayle <roger@eyesopen.com>
11530 PR middle-end/19543
11531 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11532 only equivalent if the have both the same mode and precision.
11534 2006-02-20 Ben Elliston <bje@au.ibm.com>
11536 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11538 2006-02-19 Roger Sayle <roger@eyesopen.com>
11539 Steven Bosscher <stevenb.gcc@gmail.com>
11541 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11542 constant pool references to identify stack mode constants.
11543 * rtlanal.c (constant_pool_constant_p): New predicate to check
11544 whether operand is a floating point constant in the pool.
11545 * rtl.h (constant_pool_constant_p): Prototype here.
11546 * loop.c (scan_loop): Avoid hoisting constants from the constant
11547 pool on STACK_REGS targets.
11548 (load_mems): Likewise.
11549 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11550 loads into x87 registers expensive in terms of register pressure.
11552 2006-02-19 Roger Sayle <roger@eyesopen.com>
11554 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11555 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11557 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11559 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11560 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11562 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11564 * doc/invoke.texi: Document -fipa-pta.
11565 * common.opt: Add ipa-pta option.
11566 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11567 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11568 (do_ds_constraint): Ditto.
11569 (get_constraint_for): Only add to referenced_vars if
11570 referenced_vars exists.
11571 (insert_into_field_list): Rewrite to do this unsorted.
11572 (insert_into_field_list_sorted): Rename old insert_into_field_list
11574 (create_function_info_for): Use insert_into_field_list_sorted.
11575 (create_variable_info_for): Rewrite so it uses unsorted version,
11576 since the field list is sorted.
11577 (intra_create_variable_infos): Only add to referenced_vars if
11578 referenced_vars exists.
11579 (ipa_pta_execute): Init heapvars, and delete when done.
11580 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11582 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11584 * doc/install.texi: Add missing `@samp'.
11586 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11588 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11591 2006-02-18 Mark Wielaard <mark@klomp.org>
11593 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11594 who added new 4.1 features, bug fixes and integration support.
11596 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11599 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11600 MEM for ABI_V4 pic.
11602 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11604 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11605 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11606 (copy_insn_1): Likewise. Don't copy each field individually.
11608 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11610 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11611 * rtl.c (rtx_size): Rename variable to...
11612 (rtx_code_size): ...this.
11613 (rtx_size): New function.
11614 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11615 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11617 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11618 * rtl.h (rtx_code_size): New variable.
11619 (rtx_size): Change from a variable to a function.
11620 (RTX_SIZE): Rename to...
11621 (RTX_CODE_SIZE): ...this.
11624 PR tree-optimization/17106
11625 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11626 (Anchored Addresses): New section.
11627 * doc/invoke.texi (-fsection-anchors): Document.
11628 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11629 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11630 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11631 * hooks.c (hook_bool_mode_rtx_false): New function.
11632 * hooks.h (hook_bool_mode_rtx_false): Declare.
11633 * gengtype.c (create_optional_field): New function.
11634 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11635 SYMBOL_REF_IN_BLOCK_P is true.
11636 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11637 (min_anchor_offset, max_anchor_offset): Likewise.
11638 (use_anchors_for_symbol_p): New hook.
11639 * toplev.c (compile_file): Call output_object_blocks.
11640 (target_supports_section_anchors_p): New function.
11641 (process_options): Check that -fsection-anchors is only used on
11642 targets that support it and when -funit-at-a-time is in effect.
11643 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11644 if the decl doesn't have one.
11645 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11646 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11647 of force_const_mem through use_anchored_address.
11648 (expand_expr_constant): New function.
11649 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11650 calling expand_expr for INDIRECT_REF.
11651 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11652 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11653 * expr.h (use_anchored_address): Declare.
11654 * loop-unroll.c: Don't declare rtx vectors here.
11655 * explow.c: Include output.h.
11656 (validize_mem): Call use_anchored_address.
11657 (use_anchored_address): New function.
11658 * common.opt (-fsection-anchors): New switch.
11659 * varasm.c (object_block_htab, anchor_labelno): New variables.
11660 (hash_section, object_block_entry_eq, object_block_entry_hash)
11661 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11662 (use_blocks_for_decl_p, change_symbol_section): New functions.
11663 (get_variable_section): New function, split out from assemble_variable.
11664 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11665 use_blocks_for_decl_p say so. Use change_symbol_section if the
11666 symbol has already been created.
11667 (assemble_variable_contents): New function, split out from...
11668 (assemble_variable): ...here. Don't output any code for
11669 block symbols; just pass them to place_block_symbol.
11670 Use get_variable_section and assemble_variable_contents.
11671 (get_constant_alignment, get_constant_section, get_constant_size): New
11672 functions, split from output_constant_def_contents.
11673 (build_constant_desc): Create a block symbol if use_object_blocks_p
11674 says so. Or into SYMBOL_REF_FLAGS.
11675 (assemble_constant_contents): New function, split from...
11676 (output_constant_def_contents): ...here. Don't output any code
11677 for block symbols; just pass them to place_section_symbol.
11678 Use get_constant_section and get_constant_alignment.
11679 (force_const_mem): Create a block symbol if use_object_blocks_p and
11680 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11681 (output_constant_pool_1): Add an explicit alignment argument.
11682 Don't switch sections here.
11683 (output_constant_pool): Adjust call to output_constant_pool_1.
11684 Switch sections here instead. Don't output anything for block symbols;
11685 just pass them to place_block_symbol.
11686 (init_varasm_once): Initialize object_block_htab.
11687 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11688 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11689 (place_block_symbol, get_section_anchor, output_object_block)
11690 (output_object_block_htab, output_object_blocks): New functions.
11691 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11692 (TARGET_ASM_OUT): Include it.
11693 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11694 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11695 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11696 (TARGET_INITIALIZER): Include them.
11697 * rtl.c (rtl_check_failed_block_symbol): New function.
11698 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11699 (block_symbol, object_block): New structures.
11700 (rtx_def): Add a block_symbol field to the union.
11701 (BLOCK_SYMBOL_CHECK): New macro.
11702 (rtl_check_failed_block_symbol): Declare.
11703 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11704 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11705 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11706 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11707 * output.h (output_section_symbols): Declare.
11708 (object_block): Name structure.
11709 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11710 (default_use_anchors_for_symbol_p): Declare.
11711 * Makefile.in (RTL_BASE_H): Add vec.h.
11712 (explow.o): Depend on output.h.
11713 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11714 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11715 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11716 (rs6000_use_blocks_for_constant_p): New function.
11718 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11720 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11722 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11725 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11728 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11730 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11734 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11736 PR middle-end/26334
11737 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11738 instead of DECL_REGISTER.
11740 2006-02-18 Olivier Hainque <hainque@adacore.com>
11743 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11745 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11748 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11749 * opth-gen.awk: Handle Var and InverseMask together.
11750 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11751 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11752 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11753 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11755 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11756 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11757 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11758 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11759 LINUX_DYNAMIC_LINKER): Define.
11760 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11761 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11763 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11764 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11765 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11766 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11767 (TARGET_C99_FUNCTIONS): Don't define.
11768 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11769 GLIBC_DYNAMIC_LINKER.
11770 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11771 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11772 GLIBC_DYNAMIC_LINKER64): Define.
11773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11774 LINUX_DYNAMIC_LINKER64.
11775 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11776 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11777 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11778 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11779 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11780 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11781 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11782 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11783 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11784 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11785 and LINUX_DYNAMIC_LINKER32.
11786 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11787 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11788 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11789 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11790 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11792 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11793 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11794 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11795 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11796 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11797 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11798 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11799 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11800 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11801 LINUX_DYNAMIC_LINKER): Define.
11802 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11803 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11804 GLIBC_DYNAMIC_LINKER64): Define.
11805 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11806 LINUX_DYNAMIC_LINKER64.
11807 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11808 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11809 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11810 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11811 LINUX_DYNAMIC_LINKER): Define.
11812 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11813 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11814 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11815 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11816 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11817 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11818 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11819 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11820 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11821 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11822 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11823 * doc/invoke.texi (-muclibc): Remove caveat about supported
11826 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11828 * doc/cpp.texi (__TIMESTAMP__): Document.
11830 2006-02-17 Roger Sayle <roger@eyesopen.com>
11832 PR middle-end/25600
11833 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11834 C is one less than the width of X (and related transformations).
11835 * simplify-rtx.c (simplify_unary_operation_1): Transform
11836 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11837 depending on STORE_FLAG_VALUE, were C is one less then the
11840 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11842 Fix PR tree-optimization/26341
11843 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11844 about NAME_MEMORY_TAG's.
11846 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11849 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11850 with hardware float support, and software float support. Add fcpy
11851 alternative to hardware patterns. Add alternatives to copy between
11852 general and floating-point registers to the 32-bit pattern.
11853 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11854 secondary reload to load a QI or HI mode constant into a floating
11856 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11857 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11859 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11862 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11864 (load_macho_picbase_di): Likewise.
11866 2006-02-16 Jeff Law <law@redhat.com>
11868 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11869 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11870 (ssa_name_nonzero_p): Likewise.
11871 (get_value_range): Return NULL if VRP is not running.
11872 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11873 VRP routines do not discover a range.
11874 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11875 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11876 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11877 (tree_expr_nonnegative_p): Similarly.
11878 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11879 (restore_nonzero_vars_to_original_value): Remove.
11880 (unsafe_associative_fp_binop): Remove.
11881 (tree_ssa_dominator_optimize): Remove initialization and
11882 finalization of nonzero_vars and nonzero_vars_stack.
11883 (dom_opt_initialize_block): No longer push marker on
11884 nonzero_vars_stack.
11885 (dom_opt_finalize_block): No longer call
11886 restore_nonzero_vars_to_original_value.
11887 (record_equivalences_from_phis): No longer look for
11888 nonzero PHI arguments.
11889 (cprop_into_successor_phis): No longer propagate nonzero
11890 property into PHI arguments. Lose unused argument. Caller
11892 (record_equivalences_from_stmt): No longer record nonzero
11893 values for SSA_NAMEs.
11894 (lookup_avail_expr): No longer use nonzero_vars.
11896 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11897 for sizetype when sizetype is unsigned.
11899 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11901 PR rtl-optimization/25603
11902 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11903 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11904 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11905 with new meaning of SETS.
11907 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11912 * config/linux.opt: New file.
11913 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11914 LINUX_DYNAMIC_LINKER): Define.
11915 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11916 * config.gcc (*-*-linux*): Define extra_options.
11917 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11918 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11919 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11920 GLIBC_DYNAMIC_LINKER.
11921 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11922 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11923 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11925 * doc/invoke.texi (GNU/Linux Options): New section.
11927 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11929 * config/sparc/sparc.md (setjmp): Rewrite.
11930 (setjmp_32): Delete.
11931 (setjmp_64): Likewise.
11933 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11935 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11938 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11940 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11943 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11945 PR rtl-optimization/26296
11946 * Makefile.in (loop-invariant.c): Add except.h dependency.
11947 * loop-invariant.c: Include except.h.
11948 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11950 2005-02-16 Paul Brook <paul@codesourcery.com>
11952 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11955 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11957 PR rtl-optimization/25636
11958 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11959 when deciding whether an insn is an initializing insn.
11961 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11963 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11964 (tree_code_size): Ditto.
11965 * tree.h (struct tree_memory_tag): Remove parent_var.
11966 (struct tree_struct_field_tag): New.
11969 (union tree_node): Add sft member.
11970 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11972 (create_sft): Add size and offset argument, set SFT_OFFSET and
11974 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11975 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11976 * tree-flow-inline.h (get_subvar_at): Update for
11977 SFT_OFFSET/SFT_SIZE.
11978 (var_can_have_subvars): Ditto.
11979 (overlap_subvar): Ditto.
11980 * print-tree.c (print_node): Print out interesting things for
11982 * tree-flow.h (struct subvar): Remove offset and size members.
11983 * tree-ssa-operands.c (get_expr_operands): Update for
11984 get_indirect_ref_operands changes.
11985 (get_indirect_ref_operands): Call add_virtual_operand instead of
11986 add_stmt_operand. Only recurse on base var if requested.
11987 (access_can_touch_variable): New function.
11988 (add_stmt_operand): Split virtual operand handling into ...
11989 (add_virtual_operand): Here. Add offset, size, and for_clobber
11990 arguments. Prune alias sets.
11991 (add_call_clobber_ops): Call add_virtual_operand.
11993 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11995 PR middle-end/26300
11996 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11998 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11999 than TREE_CODE as index into omp_clause_num_ops array.
12001 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12003 PR rtl-optimization/26184
12004 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12006 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12007 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12008 must_precede, must_follow and tobe_scheduled.
12011 * opts.c (common_handle_option): Free new_option pointer.
12012 * df-core.c (df_analyze): Free postorder pointer.
12014 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12016 * Makefile.in: Fix the examples about the use of stamps
12018 2006-02-15 Michael Matz <matz@suse.de>
12020 PR middle-end/22275
12022 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12023 influenced by maximum_field_alignment or DECL_PACKED.
12024 (update_alignment_for_field): Ditto.
12025 (place_field): Ditto.
12026 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12029 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12031 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12032 (debug_flow_info): Pass it.
12033 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12034 * bb-reorder.c (reorder_basic_blocks): Likewise.
12035 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12036 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12037 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12038 * gcse.c (gcse_main, bypass_jumps): Likewise.
12039 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12040 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12041 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12042 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12043 * rtl.h (dump_flow_info): Adjust prototype.
12044 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12045 * var-tracking.c (variable_tracking_main): Likewise.
12046 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12047 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12050 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12052 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12055 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12057 PR tree-optimization/26209
12058 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12059 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12061 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12063 2006-02-14 Roger Sayle <roger@eyesopen.com>
12065 PR middle-end/23670
12066 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12067 (X,Y) and the corresponding symmetry related transformations.
12068 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12069 (X,Y) and its symmetry related transformations.
12071 2006-02-14 Roger Sayle <roger@eyesopen.com>
12073 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12076 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12078 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12080 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12083 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12084 support COMDAT group.
12085 * configure: Regenerate.
12087 2006-02-14 Roger Sayle <roger@eyesopen.com>
12089 PR middle-end/26279
12090 PR middle-end/26280
12091 PR middle-end/26283
12092 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12094 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12096 Fix PR tree-optimization/26260
12098 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12100 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12101 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12102 * tree-ssa-structalias.c (create_variable_info_for): Use
12103 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12105 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12107 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12109 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12110 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12111 of the ending condition.
12112 * tree-ssa-loop-manip.c: Include params.h.
12113 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12114 tree_unroll_loop): New functions.
12115 * tree-pass.h (pass_loop_prefetch): Declare.
12116 * loop.c (rest_of_handle_loop_optimize): Test for
12117 -fprefetch-loop-arrays-rtl.
12118 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12119 * timevar.def (TV_TREE_PREFETCH): New timevar.
12120 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12121 pass_loop_prefetch): New.
12122 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12123 (cleanup_tree_cfg_loop): Call scev_reset.
12124 * common.opt (fprefetch-loop-arrays-rtl): Add.
12125 * tree-ssa-loop-prefetch.c: New file.
12126 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12127 (new_temp_expr_table): Initialize expr_vars.
12128 (free_temp_expr_table): Cleanup expr_vars.
12129 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12130 expressions from being merged into one.
12131 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12132 (struct tree_niter_desc): Add control, bound and cmp fields.
12133 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12135 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12136 (tree-cfgcleanup.o): Add SCEV_H dependency.
12137 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12138 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12140 2006-02-14 Richard Guenther <rguenther@suse.de>
12142 PR tree-optimization/26258
12143 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12144 in PHI argument processing.
12146 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12148 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12149 new expression in the requested machine mode.
12151 2006-02-13 Roger Sayle <roger@eyesopen.com>
12153 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12154 directly, instead let do_compare_rtx_and_jump handle this for us.
12155 * expr.c (expand_expr_real_1): Likewise.
12156 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12157 before do_jump_by_parts_greater.
12158 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12159 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12161 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12163 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12165 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12167 PR rtl-optimization/26235
12168 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12169 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12172 2006-02-13 Jeff Law <law@redhat.com>
12174 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12177 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12179 PR middle-end/26092
12180 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12181 twice if decl is a builtin. When trying again, call get_callee_fndecl
12182 first to verify it is still a builtin.
12184 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12186 * dwarf2out.c (base_type_die): Don't add AT_name here.
12187 (subrange_type_die): Don't add AT_name here.
12188 (modified_type_die): Rearrange code flow. Do add AT_name here.
12190 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12192 PR rtl-optimization/26247
12193 PR rtl-optimization/26248
12194 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12196 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12198 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12199 * config/fixtfdi.c: Likewise.
12200 * config/fixunstfdi.c: Likewise.
12201 * config/floatditf.c: Likewise.
12203 2006-02-13 Roger Sayle <roger@eyesopen.com>
12205 PR middle-end/24427
12206 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12207 into (X,C2) if C1 is a subset of the bits of C2. Transform
12208 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12210 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12212 2006-02-13 Josh Conner <jconner@apple.com>
12215 * varasm.c (function_section): Check for section name before
12216 calling select_section on targets that define
12217 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12218 unlikely_text_section instead of hot_function_section if
12219 first_function_block_is_cold.
12221 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12223 PR middle-end/25335
12224 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12226 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12228 PR rtl-optimization/26222
12229 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12230 after tree->rtl expansion.
12231 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12232 before passing it to emit_move_insn.
12234 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12236 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12238 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12239 Clarify documentation.
12240 * c-common.h (warn_write_strings): Remove.
12241 * c-common.c (warn_write_strings): Likewise.
12242 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12245 2006-02-12 Roger Sayle <roger@eyesopen.com>
12247 PR middle-end/25724
12248 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12249 (do_jump_parts_zero_rtx): New function renamed from
12250 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12251 (do_jump_parts_equality_rtx): New function split out from
12252 do_jump_parts_equality. Old implementation renamed as above.
12253 Call do_jump_parts_zero_rtx if either operand is zero.
12254 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12255 do all of the heavy lifting.
12256 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12257 calling either do_jump_by_parts_greater_rtx or
12258 do_jump_by_parts_equality_rtx.
12259 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12260 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12261 moved to do_compare_rtx_and_jump, call it directly.
12262 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12263 mode argument. Call do_compare_rtx_and_jump.
12264 (emit_case_nodes): Update calls to do_jump_if_equal.
12266 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12268 PR rtl-optimization/26225
12269 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12271 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12273 PR rtl-optimization/26232
12274 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12276 2006-02-11 Jason Merrill <jason@redhat.com>
12279 * tree-inline.c (declare_return_variable): Just don't use the
12280 modify target if it's a gimple complex reg and the return slot
12283 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12285 * doc/contrib.texi: Update my entry.
12287 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12289 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12291 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12293 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12296 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12298 * doc/invoke.texi (-floop-optimize2): Removed.
12299 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12300 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12301 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12302 * common.opt (floop-optimize2): Removed.
12303 (fmove-loop-invariants): Enabled by default.
12305 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12307 * tree-if-conv.c (combine_blocks): Free the result of
12308 get_loop_exit_edges.
12310 2006-02-10 Jeff Law <law@redhat.com>
12312 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12314 PR tree-optimization/26213
12315 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12316 loop trying to follow SSA_NAME_VALUE chains.
12318 2006-02-10 Richard Guenther <rguenther@suse.de>
12320 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12321 deal with structures that end in implicitly variable sized arrays.
12323 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12325 PR rtl-optimization/24762
12326 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12329 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12331 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12332 (struct ivopts_data): Add regs_used field.
12333 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12334 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12335 instead of loop_data->regs_used;
12336 (free_loop_data): Do not free aux fields for loops.
12337 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12338 and tree_ssa_iv_optimize_finalize.
12340 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12342 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12344 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12347 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12348 computing the effective result type.
12350 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12352 PR inline-asm/16194
12353 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12354 (tree_overlaps_hard_reg_set): Declare.
12355 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12356 type and signature to match function type expected by walk_tree.
12357 (tree_overlaps_hard_reg_set): New function.
12358 (decl_conflicts_with_clobbers_p): Rename to:
12359 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12360 Use tree_overlaps_hard_reg_set. Changed caller.
12361 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12362 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12363 * cris.c (cris_md_asm_clobbers): Likewise.
12365 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12367 * reload1.c (emit_input_reload_insns): Delete code that tries to
12368 inherit using find_equiv_reg.
12370 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12372 * c-common.h (flag_const_strings): Don't declare.
12373 * c-common.c (flag_const_strings): Remove.
12374 * c.opt (fconst_strings): Remove.
12375 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12376 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12377 (c_common_init_options): Don't set flag_const_strings.
12378 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12380 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12382 * arm.md (tlobits_cbranch): New pattern.
12383 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12384 testing a single bit.
12386 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12389 * tree-ssa-pre.c (create_component_ref_by_pieces):
12390 Handle RETURN_DECL like VAR_DECL.
12392 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12394 PR middle-end/26134
12395 * fold-const.c (fold_indirect_ref_1): Fold
12396 "*(foo *)&complexfoo" to "__real__ complexfoo"
12397 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12399 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12401 * tree-flow-inline.h (var_can_have_subvars):
12402 Volatile variables should not have subvariables.
12404 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12407 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12408 multiplying unsigned values.
12411 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12413 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12415 2006-02-08 Jason Merrill <jason@redhat.com>
12418 * tree.def: Elaborate on difference from MODIFY_EXPR.
12419 * doc/c-tree.texi (INIT_EXPR): Likewise.
12420 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12421 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12422 (gimplify_target_expr): Likewise.
12423 (gimplify_cond_expr): Remove target handling.
12424 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12425 (gimplify_expr): Clobber it here.
12426 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12427 Do return slot optimization if we have an INIT_EXPR.
12430 * tree-inline.c (declare_return_variable): Also clear
12431 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12434 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12436 PR middle-end/22439
12437 * gimplify.c (gimplify_one_sizepos): Fix typo.
12439 2006-02-08 Jeff Law <law@redhat.com>
12441 PR tree-optimization/21417
12442 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12443 across a backedge if the control statement at the end of the
12444 block is data dependent on other statements in the same block.
12445 (record_temporary_equivalences_from_stmts): Remove over-conservative
12446 test for threading across backedges.
12448 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12449 control statement, handle all three special cases in the same
12450 manner as they all have the same desired solution. No longer
12451 special case edge flag updating when the post dominator is
12454 2006-02-08 Roger Sayle <roger@eyesopen.com>
12456 * tree.def (CHAR_TYPE): Remove.
12457 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12458 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12459 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12460 (gen_string_type_die): Delete unreachable function.
12462 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12463 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12464 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12465 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12466 * builtins.c (type_to_class): Likewise.
12467 * fold-const.c (fold_convert, build_range_check,
12468 merge_ranges): Likewise.
12469 * expr.c (count_type_elements): Likewise.
12470 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12471 * stor-layout.c (layout_type): Likewise.
12472 * ipa-type-escape.c (type_to_consider): Likewise.
12473 * gimplify.c (omp_firstprivatize_type_sizes,
12474 gimplify_type_sizes): Likewise.
12475 * explow.c (promote_mode): Likewise.
12476 * tree-sra.c (is_sra_scalar_type): Likewise.
12477 * varasm.c (output_constant): Likewise.
12478 * tree-inline.c (remap_type_1): Likewise.
12479 * convert.c (convert_to_pointer, convert_to_real,
12480 convert_to_integer, convert_to_complex): Likewise.
12482 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12484 * df-scan.c (df_def_record_1): A set destination may
12485 be a parallel regardless of mode.
12487 2006-02-08 Roger Sayle <roger@eyesopen.com>
12490 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12491 * config/mips/_tilib.c: Remove.
12492 * config/fixtfdi.c: New libgcc source file.
12493 * config/fixunstfdi.c: New source file.
12494 * config/floatditf.c: New source file.
12495 * config/floatunditf.c: New souce file.
12496 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12497 files above instead of config/mips/_tilib.c.
12498 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12500 2006-02-08 Jeff Law <law@redhat.com>
12502 PR tree-optimization/26169
12503 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12506 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12508 * df.h (DF_REG_SIZE): Return the length of the initialized
12511 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12513 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12514 __muldf3): Return a correctly signed zero.
12516 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12518 * passes.c (register_one_dump_file): Accept the current properties
12519 instead of pass number. Adjust call to dump_register. Remove
12521 (register_dump_files): Now a wrapper around...
12522 (register_dump_files_1): ... this one. Do not modify the pass
12524 (next_pass_1): Cosmetic fix.
12525 (execute_todo): Keep second parameter only. Use curr_properties
12526 instead of fetching it from the pass structure. Check and set
12528 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12529 instead of fetching it from the pass structure. Fix calls to
12530 execute_todo. Update curr_properties and initialize .vcg RTL dump
12531 after running the pass. Reset last_verified.
12532 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12534 (FIRST_AUTO_NUMBERED_DUMP): New.
12535 (dump_register): Remove "num" parameter, assign it within the
12537 (get_dump_file_name): Modify template for dumps.
12538 * tree-dump.h (dump_register): Adjust prototype.
12539 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12540 (PROP_trees): Add PROP_gimple_lomp.
12541 (TODO_set_props): New.
12542 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12543 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12544 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12546 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12548 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12549 (sparc64-*-linux*): Likewise.
12550 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12551 * config/sparc/t-linux: New file.
12552 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12553 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12554 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12555 -m32 -mlong-double-128.
12557 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12558 * config/alpha/t-linux: New file.
12559 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12561 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12562 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12563 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12564 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12565 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12566 (CPP_ARCH32_SPEC): Remove.
12568 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12570 PR tree-optimization/26145
12571 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12574 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12577 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12578 >= 240000 when generating code for SOM runtime.
12579 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12580 to $$dyncall when generating code for SOM runtime..
12582 2006-02-07 Dirk Mueller <dmueller@suse.com>
12585 * doc/invoke.texi (-Wsequence-point): Update documentation
12586 that -Wsequence-point is implemented for C++ as well.
12588 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12590 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12591 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12592 (LIB_SPEC): Likewise.
12593 * doc/invoke.texi (SPARC options): Document -pthread.
12595 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12597 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12600 2006-02-07 Roger Sayle <roger@eyesopen.com>
12602 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12603 Correct comment describing BOOLEAN_TYPE.
12605 2006-02-07 Dirk Mueller <dmueller@suse.com>
12607 * c.opt: C++ frontend supports -Wdiv-by-zero.
12608 * c-opts.c (c_common_handle_option): Remove dead case.
12610 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12612 * configure.ac (TLS assembler check): Do not enable TLS by
12613 default on SPARC/Solaris before version 10.
12614 * configure: Regenerate.
12616 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12618 * doc/invoke.texi (xl-compat): Document conversion and support
12621 2006-02-07 Jeff Law <law@redhat.com>
12623 * tree-vrp.c (find_conditional_asserts): Update comments.
12624 (simplify_stmt_for_jump_threading): New.
12625 (identify_jump_threads, finalize_jump_threads): New.
12626 (vrp_finalize): Call identify_jump_threads.
12627 (execute_vrp): Call finalize_jump_threads.
12628 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12629 (vrp_element, vrp_data, vrp_element_p): Remove.
12630 (vrp_hash_elt, vrp_variables_stack): Remove.
12631 (vrp_hash, vrp_eq, record_range): Remove.
12632 (simplify_cond_and_lookup_avail_expr): Remove.
12633 (extract_range_from_cond): Remove.
12634 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12635 (simplify_stmt_for_jump_threading): New.
12636 (dom_thread_across_edge): New wrapper.
12637 (tree_ssa_dominator_optimize): No longer initialize or
12638 finalize any of the VRP datastructures. Remove iteration
12639 step and simplify as a result of removal of iteration step.
12640 (pass_dominator): Perform a cfg cleanup after DOM.
12641 (dom_opt_finalize_block): Use the new common routines
12642 for threading jumps. Simplify stack management slightly.
12643 No longer need to unwind VRP state.
12644 (record_equivalences_from_incoming_edge): No longer record
12646 (eliminate_redundant_computations): No longer call
12647 simplify_cond_and_lookup_avail_expr.
12648 * tree-flow.h (potentially_threadable_block): Prototype.
12649 (thread_across_edge): Likewise.
12650 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12651 (tree-ssa-threadedge.o): Add dependencies.
12652 * tree-ssa-threadedge.c: New file.
12653 * passes.c (init_optimization_passes): Merge PHIs before
12654 calling VRP. Run VRP again late in the SSA optimization pipeline.
12656 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12658 * df-core.c (df_set_blocks): Do not dereference function pointers.
12659 (df_finish1): Likewise.
12660 (df_hybrid_search_forward): Likewise.
12661 (df_hybrid_search_backward): Likewise.
12662 (df_iterative_dataflow): Likewise.
12663 (df_analyze_problem): Likewise.
12664 (df_compact_blocks): Likewise.
12665 (df_dump): Likewise.
12666 * df-scan.c (df_rescan_blocks): Likewise.
12667 (df_record_entry_block_defs): Likewise.
12669 * genconditions.c (write_conditions): Guard the definition of
12670 'insn_conditions' with the check on GCC version.
12671 (write_writer): Guard the traversal 'insn_conditions' with
12672 the check on GCC version.
12674 2006-02-07 Richard Guenther <rguenther@suse.de>
12678 2006-01-30 Richard Guenther <rguenther@suse.de>
12680 * gimplify.c (gimplify_target_expr): Handle easy cases
12681 without creating a temporary.
12683 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12685 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12686 use of float in probability computations. Use edge probabilities
12687 in place of statically computed probabilities.
12688 (min_spec_prob): New static variable.
12689 (schedule_insns): Initialize it.
12690 (GET_SRC_PROB): Removed.
12691 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12693 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12696 * config/ia64/unwind-ia64.c: Revert last change.
12697 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12698 (INCOMING_FRAME_SP_OFFSET): Define.
12700 2006-02-06 Roger Sayle <roger@eyesopen.com>
12702 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12704 2006-02-07 Ben Elliston <bje@au.ibm.com>
12706 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12707 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12708 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12709 (ix86_return_in_memory): Handle TDmode.
12710 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12711 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12713 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12715 * reorg.c (dbr_schedule): Use dump_file instead of file.
12717 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12720 * config/ia64/predicates.md (extr_len_operand): New predicate.
12721 * config/ia64/ia64.md (extv): Tighten constraints.
12723 (*tbit_and_2): Ditto.
12724 (*tbit_and_3): Ditto.
12725 (*tbit_or_2): Ditto.
12726 (*tbit_or_3): Ditto.
12727 (*bit_zero): Ditto.
12730 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12733 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12735 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12737 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12738 loop_optimizer_init and loop_optimizer_finalize
12739 * tree-ssa-sink.c (execute_sink_code): Ditto.
12740 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12741 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12742 tree_ssa_loop_done): Ditto.
12743 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12744 * sched-ebb.c: Include output.h.
12745 (schedule_ebbs): Do not use dump argument.
12746 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12747 * loop.c (loop_dump_stream): Removed.
12748 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12750 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12751 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12752 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12753 loop_iterations, strength_reduce, record_biv, record_giv,
12754 final_giv_value, check_final_value, check_ext_dependent_givs,
12755 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12756 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12757 dump_file instead of loop_dump_stream.
12758 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12759 argument dump_file.
12760 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12762 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12763 * haifa-sched.c: Include output.h
12764 (schedule_insns, sched_init): Do not use dump argument.
12765 * mode-switching.c (optimize_mode_switching): Ditto.
12766 * modulo-sched.c (stats_file): Removed.
12767 (print_node_sched_params): Do not call argument dump_file.
12768 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12769 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12771 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12773 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12774 rtl_loop_init, rtl_loop_done): Ditto.
12775 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12776 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12778 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12779 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12780 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12781 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12782 * emit-rtl.c (renumber_insns): Ditto.
12783 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12784 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12785 * regclass.c (regclass): Ditto.
12786 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12787 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12788 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12789 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12791 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12792 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12794 * gcse.c (gcse_file, debug_stderr): Removed.
12795 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12796 rest_of_handle_gcse): Do not use dump argument.
12797 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12798 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12799 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12800 compute_code_hoist_vbeinout, compute_code_hoist_data,
12801 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12802 compute_store_table, build_store_vectors, insert_insn_start_bb,
12803 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12804 store_motion): Use dump_file instead of gcse_file.
12805 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12806 * profile.c (profile_dump_file): Removed.
12807 (branch_prob): Use dump_file instead of profile_dump_file.
12808 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12810 * tree-ssa-copy.c (dump_copy_of): Ditto.
12811 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12812 dump file to life_analysis.
12813 * bt-load.c (branch_target_load_optimize): Ditto.
12814 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12816 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12817 regclass, dbr_schedule): Declaration changed.
12818 * sched-int.h (sched_init): Declaration changed.
12819 * tree-profile.c (tree_profile_dump_file): Removed.
12820 (tree_profile_hooks): Removed profile_dump_file hook.
12821 * rtl-profile (rtl_profile_dump_file): Removed.
12822 (rtl_profile_hooks): emoved profile_dump_file hook.
12823 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12825 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12826 * tree-cfg.c (build_tree_cfg): Ditto.
12827 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12828 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12829 Declaration changed.
12830 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12831 life_analysis and schedule_insns.
12832 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12834 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12836 * config/mips/mips.c (mips_reorg): Ditto.
12837 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12840 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12842 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12843 (s390_mangle_fundamental_type): New.
12844 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12847 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12848 (alpha_mangle_fundamental_type): New.
12849 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12852 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12854 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12856 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12857 (sparc_mangle_fundamental_type): New.
12859 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12861 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12862 (s390x-*-linux*): Likewise.
12863 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12864 * config/s390/t-linux: New file.
12866 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12868 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12869 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12871 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12873 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12874 (ANTIC_SAFE_LOADS): New macro.
12875 (find_or_generate_expression): Add prototype.
12876 (set_contains_value): Allow null set for sake of not always having
12877 to allocate ANTIC_SAFE_LOADS.
12878 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12879 Allow COMPONENT_REF too.
12880 (valid_in_set): Allow COMPONENT_REF.
12881 Check ANTIC_SAFE_LOADS too.
12882 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12883 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12885 (can_PRE_operation): Add COMPONENT_REF.
12886 (create_component_ref_by_pieces): New function.
12887 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12888 (insert_aux): Move AGGREGATE_TYPE_P check here.
12889 (compute_avail): Set bb local stmt uids.
12890 (pass_pre): Use TODO_update_ssa_only_virtuals.
12892 2006-02-06 Ben Elliston <bje@au.ibm.com>
12894 * configure.ac: Unconditionally disable decimal float by default.
12895 * configure: Regenerate.
12897 2006-02-06 Ben Elliston <bje@au.ibm.com>
12899 * read-rtl.c (read_name): Terminate reading on EOF.
12901 2006-02-06 Ben Elliston <bje@au.ibm.com>
12903 * dfp.c (decimal_real_arithmetic): Change second argument type
12904 from int to enum tree_code. Do not always return true, but now
12905 return result of any call to decimal_do helper functions.
12906 * dfp.h (decimal_real_arithmetic): Update prototype.
12908 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12910 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12912 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12915 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12918 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12920 * tree-vrp.c (cfg_loops): Removed.
12921 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12922 Use current_loops instead of cfg_loops. Pass flags to
12923 loop_optimizer_init.
12924 * cfgloopmanip.c (fix_loop_structure): Update only available
12926 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12927 loop_optimizer_init.
12928 * modulo-sched.c (build_loops_structure): Removed.
12929 (sms_schedule): Use loop_optimizer_init.
12930 * loop-init.c (loop_optimizer_init): Use flags to determine
12931 which properties of loops to prepare.
12932 (rtl_loop_init): Pass flags to loop_optimizer_init.
12933 * tree-ssa-sink.c (execute_sink_code): Ditto.
12934 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12935 * tree-ssa-pre.c (init_pre): Ditto.
12936 * cfgloop.h (LOOPS_NORMAL): New.
12937 (loop_optimizer_init): Declaration changed.
12939 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12941 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12942 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12944 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12946 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12948 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12949 * pa/t-pa64: Delete quadlib.c rule.
12950 * pa/x-ada: Revert last change.
12951 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12953 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12955 PR rtl-optimization/26087
12956 * rtlanal.c (canonicalize_condition): Do not cross basic block
12959 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12962 * config/ia64/ia64.c: Include debug.h.
12963 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12964 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12965 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12966 (process_epilogue, process_set, process_for_unwind_directive):
12967 Output unwind info only if requested. Add CFA info if requested.
12968 Add new arguments as needed. Adjust callers.
12969 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12971 (DWARF2_FRAME_INFO): Define to zero.
12972 * config/ia64/unwind-ia64.c: Remove code that compensated for
12973 the CFA offset error fixed above.
12974 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12975 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12976 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12977 -funwind-tables and -fexceptions to enable frame info.
12978 (dwarf2out_frame_init): Define initial CFA even if
12979 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12980 DWARF2_UNWIND_INFO is nonzero, not just defined.
12981 (dwarf2out_frame_finish): Output non-EH call frame info only
12982 if DWARF2_FRAME_INFO is nonzero.
12983 (convert_cfa_to_loc_list,
12984 compute_frame_pointer_to_cfa_displacement): Define even if
12985 unwind info is not supported.
12986 (gen_subprogram_die): Use the above unconditionally. Remove
12987 legacy alternate code.
12988 * toplev.c (compile_file): Compile in call to
12989 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12990 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12992 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12993 Jakub Jelinek <jakub@redhat.com>
12995 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12996 IBM extended float format long double as "g" on powerpc*-linux.
12998 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13001 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13002 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13004 2006-02-03 Jason Merrill <jason@redhat.com>
13007 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13009 PR middle-end/25977
13010 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13011 on the return slot if it's an NRV.
13013 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13015 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13016 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13017 rewrite_use): Do not handle USE_OUTER.
13018 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13019 add_iv_outer_candidates, may_replace_final_value,
13020 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13021 (find_interesting_uses_op): Functionality of
13022 find_interesting_uses_outer_or_nonlin moved here.
13023 (find_interesting_uses_outside): Use find_interesting_uses_op.
13025 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13028 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13030 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13031 Ulrich Weigand <uweigand@de.ibm.com>
13034 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13035 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13036 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13037 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13039 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13040 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13041 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13042 Define secondary reloads for TFmode moves.
13043 (constant_modes): Add TFmode.
13044 (NR_C_MODES): Set to 8.
13045 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13047 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13048 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13049 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13050 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13051 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13052 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13053 (FPR mode macro): Add TFmode.
13054 (DSF mode macro): New.
13055 (<de>, <dee> mode attributes): Removed.
13056 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13057 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13058 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13059 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13060 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13061 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13062 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13063 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13064 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13065 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13066 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13067 "*negabs<mode>2", "sqrt<mode>2"):
13068 Changed <de> to <xde>. R constraint replaced by <Rf>.
13069 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13071 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13072 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13073 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13075 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13076 "extenddftf2", "extendsftf2"): New expanders.
13077 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13078 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13079 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13080 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13082 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13083 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13084 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13085 __floatditf): Add a GCC_4.1.0 symbol version tag.
13086 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13089 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13092 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13093 Use targetm.binds_local_p instead of TREE_PUBLIC.
13095 2006-02-02 Roger Sayle <roger@eyesopen.com>
13097 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13098 on INTEGER_TYPEs to indicate that it denotes a character type.
13099 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13100 signed_char_type_node, unsigned_char_type_node and char_type_node.
13101 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13102 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13103 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13105 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13106 Daniel Berlin <dberlin@dberlin.org>
13108 * tree-tailcall.c (arg_needs_copy_p): New function.
13109 (eliminate_tail_call): Use arg_needs_copy_p.
13110 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13111 (add_virtual_phis): New function.
13113 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13115 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13116 #ignore instead of #scratch for %g7 .register directive.
13118 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13120 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13123 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13125 * flow.c (calculate_global_regs_live): Assert that there aren't any
13128 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13130 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13131 what its name says.
13132 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13133 bsi_after_labels iterator.
13134 * tree-if-conv.c (find_phi_replacement_condition,
13135 replace_phi_with_cond_modify_expr): Likewise.
13136 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13137 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13139 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13141 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13143 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13146 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13147 array after growing it.
13149 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13151 PR middle-end/24901
13152 * fold-const.c (fold_checksum_tree): Change type of buf.
13154 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13156 * reload.c (push_secondary_reload): Initialize t_icode.
13158 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13160 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13161 -msoft-float -mlong-double-128 only issue a warning, but don't
13162 swich to DFmode long double.
13164 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13166 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13167 has a constant equivalent, iterate over equivalents for arg0,
13168 calling simplify_relational_operation and if there's a result
13169 cheaper than X, apply fold_rtx and return the result.
13171 2006-02-01 Jan Hubicka <jh@suse.cz>
13173 * opts.c (no_unit_at_a_time_default): New global variable.
13174 (decode_options): Use it.
13175 * opts.h (no_unit_at_a_time_default): Declare.
13177 2006-02-01 Paul Brook <paul@codesourcery.com>
13179 * function.c (assign_parm_setup_reg): Use function argument promotion
13181 * expr.c (expand_expr_real_1): Use function argument promotion rules
13184 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13186 * gcc.c (process_command): Change j to 'unsigned int'.
13188 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13190 PR middle-end/26001
13191 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13192 Use the corrected index for the character
13193 out of the string constant.
13195 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13197 * mode-switching.c (optimize_mode_switching): Fix size
13198 allocated for bb_info[n_entities].
13200 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13202 * gcc.c (main): Correct type that is allocated for
13203 explicit_link_files.
13205 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13207 * config/s390/s390.c (init_alignment_context): Set
13208 ALIAS_SET_MEMORY_BARRIER on the MEM.
13209 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13211 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13213 PR middle-end/25933
13214 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13216 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13219 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13221 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13222 * regrename.c: Ditto.
13223 * tree-ssa-loop-im.c: Ditto.
13224 * tree-dump.c: Ditto.
13225 * tree-complex.c: Ditto.
13226 * genrecog.c: Ditto.
13227 * tree-ssa-threadupdate.c: Ditto.
13229 * java/class.c: Ditto.
13230 * java/jcf-parse.c: Ditto.
13231 * java/resource.c: Ditto.
13232 * java/except.c: Ditto.
13233 * java/jvspec.c: Ditto.
13234 * java/jcf-write.c: Ditto.
13235 * java/jcf-path.c: Ditto.
13236 * java/gjavah.c: Ditto.
13237 * java/zextract.c: Ditto.
13238 * java/jcf-io.c: Ditto.
13239 * java/jcf.h: Ditto.
13240 * java/buffer.c: Ditto.
13241 * java/lang.c: Ditto.
13242 * java/parse-scan.y: Ditto.
13243 * java/lex.c: Ditto.
13244 * java/lex.h: Ditto.
13245 * cfgloopmanip.c: Ditto.
13246 * postreload-gcse.c: Ditto.
13247 * tree-ssa-loop-manip.c: Ditto.
13248 * postreload.c: Ditto.
13249 * tree-ssa-loop-ch.c: Ditto.
13252 * cppspec.c: Ditto.
13253 * diagnostic.c: Ditto.
13255 * genoutput.c: Ditto.
13257 * cfghooks.c: Ditto.
13258 * cfgloopanal.c: Ditto.
13259 * objc/objc-act.c: Ditto.
13261 * genextract.c: Ditto.
13262 * genautomata.c: Ditto.
13263 * pretty-print.c: Ditto.
13264 * genemit.c: Ditto.
13265 * cgraphunit.c: Ditto.
13267 * df-scan.c: Ditto.
13268 * haifa-sched.c: Ditto.
13269 * dominance.c: Ditto.
13271 * tree-ssa-loop-ivopts.c: Ditto.
13272 * df-core.c: Ditto.
13273 * mode-switching.c: Ditto.
13274 * modulo-sched.c: Ditto.
13276 * ipa-pure-const.c: Ditto.
13278 * fix-header.c: Ditto.
13280 * tree-stdarg.c: Ditto.
13281 * ipa-utils.c: Ditto.
13282 * loop-init.c: Ditto.
13283 * ipa-inline.c: Ditto.
13284 * cfganal.c: Ditto.
13286 * alloc-pool.c: Ditto.
13287 * dwarf2out.c: Ditto.
13289 * genattrtab.c: Ditto.
13290 * tree-ssa-loop-ivcanon.c: Ditto.
13291 * predict.c: Ditto.
13292 * timevar.c: Ditto.
13294 * fortran/gfortranspec.c: Ditto.
13295 * regmove.c: Ditto.
13296 * local-alloc.c: Ditto.
13297 * langhooks.c: Ditto.
13298 * function.c: Ditto.
13299 * tree-vectorizer.c: Ditto.
13301 * ipa-type-escape.c: Ditto.
13303 * tree-if-conv.c: Ditto.
13304 * profile.c: Ditto.
13306 * tree-data-ref.c: Ditto.
13307 * loop-unroll.c: Ditto.
13308 * treelang/treetree.c: Ditto.
13310 * bt-load.c: Ditto.
13311 * ggc-common.c: Ditto.
13313 * coverage.c: Ditto.
13315 * tree-cfgcleanup.c: Ditto.
13316 * tree-ssa-pre.c: Ditto.
13317 * cfgcleanup.c: Ditto.
13318 * loop-invariant.c: Ditto.
13319 * loop-iv.c: Ditto.
13320 * ipa-prop.c: Ditto.
13321 * print-tree.c: Ditto.
13322 * conflict.c: Ditto.
13323 * ggc-page.c: Ditto.
13324 * sched-deps.c: Ditto.
13325 * regclass.c: Ditto.
13326 * tree-object-size.c: Ditto.
13327 * combine.c: Ditto.
13328 * bb-reorder.c: Ditto.
13329 * resource.c: Ditto.
13330 * var-tracking.c: Ditto.
13331 * cfgloop.c: Ditto.
13332 * df-problems.c: Ditto.
13333 * reg-stack.c: Ditto.
13335 * gccspec.c: Ditto.
13336 * sched-rgn.c: Ditto.
13337 * tree-ssa-structalias.c: Ditto.
13338 * tree-ssa-reassoc.c: Ditto.
13339 * config/darwin-c.c: Ditto.
13340 * config/darwin.c: Ditto.
13341 * config/arm/arm.c: Ditto.
13343 * collect2.c: Ditto.
13344 * reload1.c: Ditto.
13346 2006-01-31 Nicolas Pitre <nico@cam.org>
13348 * arm.md (smaxsi3): Make aware of smax_m1.
13351 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13353 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13355 2006-01-31 Richard Guenther <rguenther@suse.de>
13357 * doc/invoke.texi (-msselibm): Document.
13358 * target.h (expand_library_builtin): New target hook.
13359 * builtins.c (expand_builtin): Use expand_library_builtin.
13360 (default_expand_library_builtin): New function.
13361 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13362 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13363 (link_gcc_math_spec): Declare.
13364 (static_specs): Add link_gcc_math_spec.
13365 * expr.h (default_expand_library_builtin): Declare.
13366 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13367 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13368 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13369 * config/i386/i386.opt (msselibm): New target option.
13370 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13371 (ix86_init_sse_abi_builtins): New function.
13372 (ix86_expand_library_builtin): Likewise.
13373 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13374 (override_options): Handle error conditions wrt -msselibm.
13375 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13376 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13377 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13380 2006-01-31 Richard Guenther <rguenther@suse.de>
13381 Paolo Bonzini <bonzini@gnu.org>
13383 * doc/install.texi (--disable-libgcc-math): Document.
13385 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13387 * expr.h (expand_normal): new inline function.
13388 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13389 * dojump.c: use it.
13390 * dwarf2out.c: use it.
13393 * expmed.c: use it.
13394 * except.c: use it.
13395 * config/sparc/sparc.c: use it.
13396 * config/i386/i386.c: use it.
13397 * config/rs6000/rs6000.c: use it.
13398 * config/arm/arm.c: use it.
13399 * config/mips/mips.c: use it.
13400 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13402 2006-01-30 Roger Sayle <roger@eyesopen.com>
13404 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13405 argv to the appropriate type.
13407 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13409 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13412 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13415 * config/s390/s390.c (struct machine_function): New flag
13416 decomposed_literal_pool_addresses_ok_p.
13417 (s390_reorg): Set it before final stage of literal pool transforms.
13418 (s390_decompose_address): Only accept displacements of the form
13419 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13421 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13423 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13424 the comparison routine return.
13426 2006-01-30 Michael Matz <matz@suse.de>
13428 * global.c (find_reg): Only evict for global regs.
13429 Take n_refs into account and dump more info.
13431 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13434 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13435 (pragma_trap, pragma_nosave_low_regs): Likewise.
13436 (current_function_anonymous_args): Likewise.
13437 (sh_deferred_function_attributes): New variable.
13438 (sh_deferred_function_attributes_tail): Likewise.
13439 (print_operand): For '@', look up trap_exit attribute.
13440 (calc_live_regs): Look up trapa_handler attribute. For trapa
13441 handlers, save/restore fpscr, but don't do any other
13442 interrupt-specific saves.
13443 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13444 Fix check for partially saved registers to check for SHmedia.
13445 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13446 (sh_output_function_epilogue): Don't clear any of the removed
13448 (sh_insert_attributes): Don't check pragma_interrupt.
13449 Insert deferred attributes. Check that interrupt attribute is
13450 present for other attributes that require its presence.
13451 (sh_attribute_table): Add new attributes trapa_handler and
13453 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13454 Don't check for pragma_interrupt. Don't store argument.
13455 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13456 (sh_deferred_function_attributes): Declare.
13457 (sh_deferred_function_attributes_tail): Likewise.
13458 * sh.md (sp_switch_1): Add operand. Change generator caller.
13459 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13460 (*return_i): Don't use when trap_exit attribute is in effect.
13461 (*return_trapa): New insn pattern.
13462 * sh-c.c: New file.
13463 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13464 setting c_target_objs and cxx_target_objs.
13465 * t-sh: Add rule for sh-c.o.
13467 2006-01-30 Richard Guenther <rguenther@suse.de>
13470 * gimplify.c (gimplify_target_expr): Handle easy cases
13471 without creating a temporary.
13473 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13475 * vec.h (safe_grow): Remove duplicated line.
13477 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13480 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13481 (expand_omp): ... here.
13482 (expand_omp_parallel): Only remove barriers for combined
13483 parallel+workshare constructs.
13485 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13489 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13490 * tree.c (build_qualified_type): Chain the new type to the original
13491 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13492 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13493 (build_pointer_type_for_mode): Only return unqualified types.
13494 (build_reference_type_for_mode): Likewise.
13496 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13498 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13499 * Makefile.in (CXX_COMPAT_WARN): Define.
13500 * configure: Regenerate.
13502 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13505 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13508 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13510 * toplev.c: Fix thinko.
13512 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13513 Marcin Dalecki <martin@dalecki.de>
13515 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13516 (push_srcloc): Use XNEW.
13517 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13519 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13521 * df-core.c (df_set_blocks): Deleted all variable.
13523 2006-01-28 Ian Lance Taylor <ian@airs.com>
13525 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13526 cgraph_output_pending_asms.
13528 2006-01-28 Zack Weinberg <zackw@panix.com>
13530 * c.opt: Add -W(no-)overlength-strings.
13531 * doc/invoke.texi: Document it.
13532 * c-opts.c (c_common_handle_option): -pedantic implies
13533 -Woverlength-strings, if not explicitly disabled already.
13534 (c_common_post_options): -Woverlength-strings defaults to off, and
13535 is always off for C++.
13536 * c-common.c (fix_string_type): Issue warning about strings longer
13537 than is portable only if warn_overlength_strings. Rearrange code
13538 a little for clarity.
13539 * configure.in: Check for -Wno-overlength-strings as well before
13540 enabling -pedantic in stage 1.
13541 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13542 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13544 * genconditions.c (write_header, write_one_condition)
13545 (write_conditions, write_writer): Consolidate very long strings
13546 that were broken up to fit in C89 portable limit. Don't use
13547 printf when fputs will do.
13549 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13551 * combine.c (simplify_comparison <AND>): Check
13552 TRULY_NOOP_TRUNCATION before start using a subreg.
13554 * config/mips/mips.md (*branch_zero<mode>,
13555 *branch_zero<mode>_inverted, *branch_equality<mode>,
13556 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13557 Remove mode check from comparisons.
13559 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13561 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13563 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13565 * expmed.c (const_mult_add_overflow_p): Remove.
13566 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13568 * recog.c (validate_replace_rtx_subexp): Remove.
13569 * recog.h: Remove the prototype for
13570 validate_replace_rtx_subexp.
13572 * integrate.h: Remove the prototype for
13573 copy_decl_for_inlining.
13574 * rtl.h: Remove the prototype for mark_constant_function.
13575 * tree-vectorizer.h: Remove the prototype for
13576 vect_strip_conversion.
13578 * modulo-sched.c (create_partial_schedule,
13579 free_partial_schedule, reset_partial_schedule): Make them
13582 * hooks.c (hook_bool_rtx_int_false): Remove.
13583 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13585 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13587 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13588 and -mlong-double-128 are incompatible.
13589 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13590 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13591 (TARGET_LIBGCC2_CFLAGS): Define.
13592 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13593 (TARGET_LIBGCC2_CFLAGS): Same.
13594 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13596 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13599 * c-typeck.c (build_binary_op): Perform implicit casts of
13600 operands before shortening them.
13602 * cfgloopmanip.c (split_loop_bb): Remove.
13603 * cfgloop.h: Remove the prototype for split_loop_bb.
13605 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13606 * cfgloop.h: Remove the prototype for
13607 flow_loop_outside_edge_p.
13609 * emit-rtl.c (init_virtual_regs): Make it static.
13610 * function.h: Remove the prototype for init_virtual_regs.
13612 * recog.c (peephole2_optimize): Make it static.
13613 * recog.h: Remove the prototype for peephole2_optimize.
13615 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13617 * df-scan.c (df_record_entry_block_defs): Check if
13618 INCOMING_RETURN_ADDR_RTX is defined.
13620 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13621 Kenneth Zadeck <zadeck@naturalbridge.com>
13623 PR rtl-optimization/24762
13624 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13625 * targhooks.c (hook_void_bitmap): New hook prototype.
13626 * targhoohs.h (hook_void_bitmap): Ditto.
13627 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13628 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13629 * target.h (live_on_entry): New function pointer.
13630 * df-scan.c (df_all_hard_regs): Removed.
13631 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13632 (df_scan_free_internal): Added df->entry_block_defs.
13633 (df_scan_alloc): Ditto.
13634 (df_scan_dump): Ditto.
13635 (df_uses_record): Plumbed flag field properly thru calls.
13636 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13637 This part fixes PR24762.
13638 (df_bb_refs_record): Added code to make the frame and arg
13639 pointers live in EH blocks.
13640 (df_refs_record): Added call to df_record_entry_block_defs.
13641 (df_record_entry_block_defs): New function.
13642 * df-core.c: Added comments to describe new artifical defs.
13643 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13644 (entry_block_defs): New field in struct df.
13645 (df_all_hard_regs): Deleted.
13646 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13647 * df-problems.c (df_ru_bb_local_compute_process_def):
13648 Added code to handle artifical defs in the entry to a function.
13649 (df_ru_bb_local_compute): Ditto.
13650 (df_rd_bb_local_compute_process_def): Ditto.
13651 (df_rd_bb_local_compute): Ditto.
13652 (df_lr_bb_local_compute): Ditto.
13653 (df_ur_bb_local_compute): Ditto.
13654 (df_urec_bb_local_compute): Ditto.
13655 (df_chain_create_bb): Ditto.
13656 (df_ur_local_finalize): Removed entry.
13657 (df_urec_init): Ditto.
13658 (df_urec_local_finalize): Ditto.
13659 (df_ri_bb_compute): Added detection of last use of pseudos.
13660 * Makefile.in (df-scan.o): Updated dependencies.
13661 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13662 * config/mips/mips.c (mips_set_live_on_entry): Added.
13663 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13665 * dce.c (marked_insn_p): Added code to handle artifical defs.
13667 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13669 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13671 (_mm_cvtsi128_si64): Likewise.
13672 (_mm_cvtsd_si64): Likewise.
13673 (_mm_cvttsd_si64): Likewise.
13674 (_mm_cvtsi64_sd): Likewise.
13675 (_mm_cvtsi64_si128): Likewise.
13676 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13677 (_mm_cvtsi64_m64): Likewise.
13678 (_m_to_int64): Likewise.
13679 (_mm_cvtm64_si64): Likewise.
13680 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13681 (_mm_cvttss_si64): Likewise.
13682 (_mm_cvtsi64_ss): Likewise.
13683 (_mm_cvtss_f32): Likewise.
13685 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13687 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13688 for pragma redefine_extname.
13690 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13693 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13694 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13695 -mno-minimal-toc to previous content.
13696 (bispecs): Remove goal.
13697 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13698 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13699 compatibility aliases on powerpc-*-*gnu*.
13700 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13701 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13702 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13703 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13704 (ldblspecs): New goal.
13705 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13706 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13708 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13709 L_sf_to_tf or L_df_to_tf is defined.
13711 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13712 Alan Modra <amodra@bigpond.net.au>
13715 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13716 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13717 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13718 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13719 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13720 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13721 (rs6000_override_options): Initialize rs6000_ieeequad.
13722 Initialize TFmode format to ibm_extended_format if not
13724 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13726 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13727 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13728 (function_arg_advance): IBM long double passed in two FPRs, not
13730 (function_arg): IBM long double passed in FPRs.
13731 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13732 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13733 Only multireg GPR aligned.
13734 (rs6000_init_libfuncs): Enable IBM long double functions if not
13736 (rs6000_generate_compare): Use IBM long double compare if not
13738 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13739 (TARGET_IEEEQUAD): Define.
13740 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13741 not TARGET_IEEEQUAD.
13742 * config/rs6000/rs6000.md: Enable TFmode patterns if
13744 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13745 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13746 and -mlong-double-128 are incompatible.
13747 * doc/invoke.texi (-mabi): Collect options together. Add
13748 ibmlongdouble and ieeelongdouble.
13750 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13752 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13754 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13755 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13756 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13757 * rtl.h (rtunion_def): Remove rt_ptr.
13759 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13760 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13761 * config/i386/winnt.c (i386_pe_mark_dllexport)
13762 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13764 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13766 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13768 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13772 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13773 pthread_key_delete. From John David Anglin. gthrw-ify
13774 pthread_getunique_np only if it it's not a macro. Delete
13776 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13777 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13778 __gthread_objc_condition_signal, __gthread_key_delete): Add
13779 "__attribute__ ((__unused__))" to unused arguments.
13780 (__gthread_recursive_mutex_init_function): Add missing return.
13781 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13782 gthr-posix95.h: Use macro-based approach for name redirection
13783 on targets missing weakref.
13785 2006-01-26 Zack Weinberg <zackw@panix.com>
13787 * genconditions.c (write_header): In generated code, #ifdef out
13788 all includes and fake declarations, except includes of bconfig.h
13789 and system.h, unless GCC_VERSION >= 3001. Do not include
13790 gensupport.h in any case.
13791 (write_conditions): Generate a definition of struct c_test. Add
13792 a comment to the generated #endif.
13793 (write_one_condition): Escape backslashes in string too.
13794 (write_writer): Generated code must escape backslashes and quote
13795 marks (but not newlines) in the strings it writes.
13796 * Makefile.in (build/gencondmd.o): Update dependencies.
13798 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13801 * Makefile.in (insn-automata.o): Add header file dependencies.
13802 * genautomata.c: Add includes.
13804 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13807 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13809 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13811 * configure.ac: Expect target tools paths to be passed from the toplevel
13812 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13814 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13816 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13819 * c.opt (Wpointer-sign): Init to -1.
13820 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13821 OPT_pedantic, to 0 otherwise.
13822 * doc/invoke.texi: Update.
13824 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13826 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13827 constants provided by 80387 instructions in the destination mode.
13829 2006-01-26 Richard Guenther <rguenther@suse.de>
13830 Andrew Pinski <pinskia@physics.uc.edu>
13833 partial PR tree-opt/17064
13834 * tree-ssa-structalias.c (intra_create_variable_infos):
13835 Create heap variables for incoming parameters if
13836 flag_argument_noalias > 1.
13837 (find_what_p_points_to): Look through default defs of
13840 2006-01-26 Jeff Law <law@redhat.com>
13843 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13844 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13845 within the VR_RANGE, use the VR_RANGE as the result, not the
13847 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13848 bounds for the type.
13850 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13852 * tree-ssa-alias.c (maybe_create_global_var): Change
13853 subvar walking to an assertion that we don't have subvar'd variables.
13855 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13858 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13859 Use a new variable, inner. PARM_DECLs are always non-weak.
13861 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13863 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13864 --disable-checking.
13866 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13868 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13870 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13872 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13873 (smax_insn, smin_insn, smax_0, smin_0): New.
13875 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13878 * config/cris/cris.c (cris_order_for_addsi3): New function.
13879 * config/cris/cris-protos.h: Prototype it.
13880 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13881 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13882 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13883 (split for "op.S1 [rx=rx+i],ry (swapped)")
13884 (split for "op(s|u).S1 [rx=rx+i],ry")
13885 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13886 Apply cris_order_for_addsi3 when generating addsi3 insns.
13888 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13890 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13891 (TREE_BLOCK): Add call to EXPR_CHECK.
13893 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13896 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13897 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13898 (dump_omp_clauses): ... here.
13899 (dump_generic_node): Handle OMP_CLAUSE.
13900 * tree.c (omp_clause_num_ops): New.
13901 (omp_clause_code_name): New.
13902 (tree_code_size): Handle OMP_CLAUSE.
13903 (tree_size): Likewise.
13904 (make_node): Document handling of OMP_CLAUSE.
13905 (tree_node_structure): Handle OMP_CLAUSE.
13906 (omp_clause_check_failed): New.
13907 (omp_clause_range_check_failed): New.
13908 (omp_clause_operand_check_failed): New.
13909 (build_omp_clause): New.
13910 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13911 * tree.h (enum omp_clause_code): Declare.
13912 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13913 (OMP_CLAUSE_RANGE_CHECK): Define.
13914 (OMP_CLAUSE_ELT_CHECK): Define.
13915 (omp_clause_check_failed): Declare.
13916 (omp_clause_operand_check_failed): Declare.
13917 (omp_clause_range_check_failed): Declare.
13918 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13919 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13920 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13921 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13922 (OMP_CLAUSE_IF_EXPR): Likewise.
13923 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13924 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13925 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13926 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13927 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13928 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13929 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13930 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13931 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13932 (OMP_CLAUSE_CODE): Define.
13933 (OMP_CLAUSE_SET_CODE): Define.
13934 (OMP_CLAUSE_CODE): Define.
13935 (OMP_CLAUSE_OPERAND): Define.
13936 (struct tree_omp_clause): Declare.
13937 (union tree_node): Add field 'omp_clause'.
13938 * treestruct.def (TS_OMP_CLAUSE): Define.
13939 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13940 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13941 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13942 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13943 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13944 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13945 (OMP_CLAUSE): Define.
13946 * print-tree.c (print_node): Handle OMP_CLAUSE.
13947 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13948 * c-typeck.c: Likewise.
13949 * gimplify.c: Likewise.
13950 * c-omp.c: Likewise.
13951 * tree-nested.c: Likewise.
13952 * tree-inline.c: Likewise.
13953 * c-parser.c: Likewise.
13954 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13957 2006-01-25 Roger Sayle <roger@eyesopen.com>
13959 PR rtl-optimization/25703
13960 * combine.c (try_combine): Handle zero_extract and strict_low_part
13961 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13963 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13965 * global.c: Fix comment typos.
13967 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13970 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13971 Use output_addr_const instead of assemble_name.
13973 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13975 * Makefile.in (sched-vis.o): Update dependencies.
13976 * haifa-sched.c (sched_finish): Clear current_sched_info.
13977 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13978 (dump_flow_info): Call it.
13979 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13981 * basic-block.h (dump_bb_info): Declare.
13982 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13983 option, and apply options only for dump files whose TDF_RTL,
13984 TDF_TREE, or TDF_IPA bits match.
13985 * rtl.h: Declare new functions exported from sched-vis.c.
13986 * sched-vis.c: Enable also if scheduling is not used.
13987 (print_value): Print the mode of registers if not inside scheduling.
13988 (print_insn): Make it work outside the scheduler. Beautify the output
13990 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13992 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13994 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13995 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13996 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13997 depending on the value of CONSTANT_POOL_ADDRESS_P.
13998 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14000 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14001 rather than SYMBOL_REF_DECL.
14002 (rtx_constant_pool): Remove const_rtx_sym_htab.
14003 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14004 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14005 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14006 Remove handling of const_rtx_sym_htab.
14007 (find_pool_constant): Delete.
14008 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14009 rather than find_pool_constant.
14010 (get_pool_constant_for_function): Delete.
14011 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14012 find_pool_constant.
14013 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14014 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14015 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14016 (SYMBOL_REF_CONSTANT): New macro.
14017 (get_pool_constant_for_function): Delete.
14018 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14019 rather than SYMBOL_REF_DECL.
14020 (i386_pe_mark_dllimport): Likewise.
14021 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14022 rather than SYMBOL_REF_DECL.
14023 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14024 (machopic_indirect_call_target): Likewise.
14026 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14028 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14030 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14032 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14034 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14036 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14038 2006-01-24 David Daney <ddaney@avtrex.com>
14041 * configure.ac (enable_tls): New enable option.
14042 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14043 * configure: Regenerate.
14044 * doc/install.texi (--enable-tls): Document new option.
14045 (--disable-tls): Ditto.
14047 2006-01-24 Richard Henderson <rth@redehat.com>
14049 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14050 * alias.c (true_dependence): Respect it.
14051 (canon_true_dependence, write_dependence_p): Likewise.
14052 * builtins.c (get_builtin_sync_mem): Set it.
14054 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14056 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14059 2006-01-24 DJ Delorie <dj@redhat.com>
14061 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14062 for storing constants in single-bit bitfields.
14064 2006-01-25 Ben Elliston <bje@au.ibm.com>
14066 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14068 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14071 * tree-ssa-pre.c (phi_translate): Return NULL
14072 for AGGREGATE_TYPE's.
14074 2006-01-24 Zack Weinberg <zackw@panix.com>
14076 * genautomata.c (process_state_for_insn_equiv_partition):
14077 Use xcalloc for insn_arcs_array.
14078 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14079 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14081 2006-01-24 Richard Henderson <rth@redhat.com>
14083 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14084 update all callers.
14086 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14088 PR rtl-optimization/25890
14089 PR rtl-optimization/25905
14090 * combine.c (expand_compound_operation, expand_field_assignment):
14091 Fail if the bitfield's final position is out of bounds.
14093 2006-01-24 Ian Lance Taylor <ian@airs.com>
14095 PR middle-end/25930
14096 * cgraphunit.c (cgraph_output_in_order): Don't clear
14097 cgraph_asm_nodes until after asm strings have been output.
14099 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14101 * fix-header.c (read_scan_file): Add new parameter imultilib when
14102 calling register_include_chains.
14104 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14106 * omp-low.c: Update documentation.
14108 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14109 Daniel Berlin <dberlin@dberlin.org>
14113 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14114 return from the function.
14116 2006-01-22 Zack Weinberg <zackw@panix.com>
14118 * rtl.def (match_code): Add second argument.
14119 * genpreds.c (write_extract_subexp): New function.
14120 (write_match_code): Add path argument. Use write_extract_subexp.
14121 (write_predicate_expr): Pass path to write_match_code.
14122 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14123 not perform a mode test.
14124 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14125 a subexpression does not constrain the top-level code set.
14126 * read-rtl.c (read_rtx_variadic): New function.
14127 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14128 * doc/md.texi: Document new notation.
14129 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14130 (cmpsi_operand): ... here, using new notation.
14132 2006-01-22 Zack Weinberg <zackw@panix.com>
14134 * varray.c: Remove GENERATOR_FILE #ifdefs.
14136 2006-01-22 Zack Weinberg <zackw@panix.com>
14138 * genautomata.c (output_reserved_units_table): Emit nothing if
14139 description->query_units_num is zero. Remove extra blank line.
14140 (output_cpu_unit_reservation_p): Short circuit
14141 if description->query_units_num is zero.
14143 2006-01-22 Zack Weinberg <zackw@panix.com>
14145 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14146 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14147 nor any of the random handful of variables that used to be necessary
14148 when this program was linked with rtlanal.o. Prune set of forward
14149 function declarations.
14150 (struct attr_desc): Remove static_p field.
14151 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14152 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14153 (attr_string): Do not read the character one past the length of
14155 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14156 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14157 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14158 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14159 (make_automaton_attrs): New.
14160 (main): Do not call into genautomata. Call local gen_bypass
14161 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14162 Remove special case for insn_alts.
14163 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14164 varray.h (leftover from previous change). Prune set of forward
14165 function declarations. Remove state_alts fields from all
14166 structures. Remove state_alts_table from struct automaton.
14167 Make everything except main static. Do not maintain num_dfa_decls.
14168 Do not maintain state_alts fields of various structures.
14169 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14170 (add_arc): Remove state_alts argument. All callers updated.
14171 (output_reserved_units_table): Emit #ifdef here...
14172 (output_tables): ...not here. Don't generate state_alts tables.
14173 (expand_automata): Don't generate attributes.
14174 (write_automata): Don't generate state_alts functions.
14175 (main): New function.
14176 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14177 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14178 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14179 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14180 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14181 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14182 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14183 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14185 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14186 * genattrtab.h: Delete file.
14187 * Makefile.in (OBJS-common): Add insn-automata.o.
14188 (insn-automata.o): New rule.
14189 (simple_generated_c): Add insn-automata.c.
14190 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14191 (genprogmd): Add automata.
14192 (build/genattrtab): Needs no extra objects nor libraries.
14193 (build/genautomata): Needs build/vec.o and -lm.
14195 2006-01-22 Zack Weinberg <zackw@panix.com>
14197 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14198 (output_dfa_max_issue_rate, locked_states_num): Delete.
14199 (struct automaton): Add locked_states field.
14200 (output_dead_lock_vect): Save number of locked states in
14201 automaton->locked_states. If it is zero, don't print anything.
14202 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14203 (output_internal_dead_lock_func): Only test the dead_lock_vect
14204 for automata that have locked states.
14205 (output_statistics): Always print the number of locked states for
14206 each automaton. Calculate total number of locked states here.
14207 (write_automata): Don't call output_dfa_max_issue_rate.
14208 * genattrtab.c: Define length_unit_log as a const variable.
14209 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14210 max_insn_queue_index const.
14211 * final.c (length_unit_log): Declare const.
14212 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14214 2006-01-22 Zack Weinberg <zackw@panix.com>
14216 * genautomata.c: Include vec.h, not varray.h.
14217 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14218 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14219 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14220 VEC_* macros operating on appropriately typed vectors, or to
14221 malloced arrays when the size is known in advance. Const-ify
14222 many char* variables and function arguments. No functional changes.
14223 * Makefile.in (build/varray.o): Delete rule.
14224 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14225 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14227 2006-01-22 Zack Weinberg <zackw@panix.com>
14229 * gensupport.c: Define get_insn_name and record_insn_name here.
14230 (read_md_rtx): Call record_insn_name as appropriate.
14231 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14232 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14233 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14235 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14236 (BUILD_VARRAY): Delete.
14237 (genprognormal): Rename genprogmd. Fold in all programs from
14238 genprognoprint; also attrtab.
14239 (build/genattrtab): Just mention genautomata.o and varray.o.
14240 Reorganize a bit, add comments to make the categories clearer.
14242 2006-01-22 Zack Weinberg <zackw@panix.com>
14244 * genconditions.c (condition_table, add_condition): Delete.
14245 (write_conditions): Don't emit n_insn_conditions nor
14246 insn_elision_unavailable. Issue the gcc version #ifdef here,
14247 inside the table, with no #else clause ...
14248 (write_header): ...not here.
14249 (write_writer): New function.
14250 (main): Don't initialize condition_table. Use add_c_test.
14252 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14253 files on the command line.
14254 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14255 Return -1 if there is no entry in the table, don't abort.
14256 (add_c_test, traverse_c_tests): New functions.
14257 * gensupport.h (insn_elision_unavailable, insn_conditions)
14258 (n_insn_conditions): Delete declarations.
14259 (add_c_test, traverse_c_tests): Declare.
14260 * read-rtl.c: Include gensupport.h.
14261 (read_conditions): New function.
14262 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14263 (read_rtx_1): If we get EOF when we were looking for an initial
14264 open paren, return 0. Call read_conditions when appropriate.
14265 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14266 dummy-conditions.o. Eliminate references to insn-conditions.o,
14267 or change them to build/gencondmd.o, as appropriate. Remove
14268 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14269 from $(simple_generated_c). For all files remaining in those
14270 two lists, add insn-conditions.md to the generator command line.
14271 Give insn-constants.h/s-constants their own rules. Add rules
14272 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14273 (build/read-rtl.o): Depend on gensupport.h.
14274 (genprognormal): Include preds.
14275 (genprogearly): Rename genprognoprint; only difference is now that
14276 they don't link with $(BUILD_PRINT).
14277 * dummy-conditions.c: Delete.
14279 2006-01-22 Zack Weinberg <zackw@panix.com>
14281 * genextract.c: Don't include insn-config.h. Do include vec.h.
14282 Declare vectors of int, char, and locstr.
14283 (locstr): New typedef.
14284 (struct extraction): Make all array fields into bare pointers.
14285 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14286 (insn_code_number): Delete.
14287 (accum_extract): New struct.
14288 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14289 (gen_insn): Take insn_code_number as an argument. Use an
14290 accum_extract structure instead of loading data directly into
14291 a struct extraction, and having to know how big it might get.
14292 (walk_rtx): Operate entirely on an accum_extract structure.
14293 (print_path): Avoid unnecessary use of printf.
14294 (print_header): New function, split out of main. Distinguish
14295 more carefully between an unrecognizable insn and an insn that
14296 has the code number of a define_expand.
14297 (main): Pass insn_code_number to gen_insn. Call print_header
14298 only after parsing. Avoid unnecessary use of printf.
14299 * Makefile.in (build/vec.o): New rule.
14300 (build/genextract): Depend on build/vec.o.
14301 (build/genextract.o): Don't depend on insn-config.h.
14303 2006-01-22 Zack Weinberg <zackw@panix.com>
14305 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14306 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14307 practical. Eliminate per-generator-program link rules.
14309 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14311 PR middle-end/24437
14312 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14313 with a call expr to ...
14314 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14316 2006-01-23 Richard Guenther <rguenther@suse.de>
14318 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14319 before make_edge with conditional EDGE_TRUE_VALUE.
14321 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14322 Jan Hubicka <jh@suse.cz>
14323 Richard Guenther <rguenther@suse.de>
14325 PR rtl-optimization/25654
14326 * cfgexpand.c (aggregate_contains_union_type): New function.
14327 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14328 for structure variables that contain a union type.
14330 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14332 * gengtype.c (new_structure): Return the structure.
14333 (create_option): Add an extra "next" argument.
14334 (create_field): New function.
14335 (adjust_field_rtx_def): Use create_option and create_field.
14336 Remove a now-unnecessary call to find_structure.
14337 (adjust_field_tree_def): Likewise.
14338 (note_yacc_type): Remove an unnecessary call to find_structure.
14339 * gengtype.h (new_structure): Return the structure.
14340 (create_option): Add an extra argument.
14341 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14342 (option): Adjust calls to create_option.
14344 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14346 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14348 2006-01-22 Paul Brook <paul@codesourcery.com>
14349 Peter Barada <peter@the-baradas.com>
14351 * config/m68k/m68k.md: Add Coldfire FPU support.
14352 Define FP mode macro and associated attributes.
14353 Use it for float mode patterns.
14354 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14355 (LIBCALL_VALUE): Use m68k_libcall_value.
14356 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14357 (m68k_function_value): Ditto.
14358 (emit_move_sequence): Ditto.
14359 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14360 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14361 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14362 (MULTILIB_EXCEPTIONS): Ditto.
14363 * config/m68k/m68k.opt: Add mcfv4e.
14364 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14365 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14366 (m68k_output_function_prologue): Save ColdFire FPU registers.
14367 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14368 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14369 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14370 ColdFire FPU registers.
14371 (m68k_libcall_value, m68k_function_value): New functions.
14372 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14373 (LIBCALL_VALUE): Use m68k_libcall_value.
14374 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14375 (MASK_COLDFIRE): Add MASK_CFV4E.
14376 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14377 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14378 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14379 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14380 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14381 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14382 * doc/invoke.tex: Document -mcfv4e on m68k.
14384 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14386 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14389 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14392 * c-opts.c (c_common_handle_option): Don't include
14393 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14394 * doc/invoke.texi (C++ Dialect Options): Document that
14395 -Wnon-virtual-dtor is no longer included in -Wall.
14397 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14399 * gcov.c (print_version), gcov-dump.c (print_version),
14400 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14403 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14405 * df-scan.c (problem_SCAN): Added NULL reset function.
14406 (df_scan_reset_blocks): Added code to call reset block function
14407 (df_bb_refs_delete) Fixed comment.
14408 (df_insn_refs_delete): Made tolerant of deleting non existent info
14409 for dataflow problems that need to be reset.
14410 * df-core.c (df_set_blocks): Ditto.
14411 * df.h (struct df_problem): Added reset_fun.
14412 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14413 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14414 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14415 functions to clear out all references to def-use or use-def chains.
14417 2006-01-21 Ben Elliston <bje@au.ibm.com>
14419 * varasm.c (assemble_real): Initialise data array.
14421 2006-01-20 Paul Brook <paul@codesourcery.com>
14423 Merge from csl-arm-branch.
14424 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14425 * config/arm/arm.md (movdi): Force operands[1] to a register
14426 if we have a non-register source.
14427 (*arm_movdi, *movdf_soft_insn): Require that one of the
14428 operands be a register.
14429 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14430 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14432 2006-01-20 DJ Delorie <dj@redhat.com>
14434 * varasm.c (initializer_constant_valid_p): Allow pointers
14435 initialized from integer constants of lesser precision.
14436 (output_constant): Allow non-int-sized pointer modes to be
14437 initialized from integer constants.
14439 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14442 * cppdefault.h (struct default_include): Add multilib flag.
14443 * cppdefault.c (cpp_include_defaults): Set it.
14444 * c.opt (-imultilib): New option.
14445 * c-opts.c (imultilib): New.
14446 (c_common_handle_option): Handle -imultilib.
14447 (c_common_post_options): Likewise.
14448 * c-incpath.c (add_standard_paths, register_include_chains):
14450 * c-incpath.h (register_include_chains): Add extra parameter.
14451 * gcc.c (do_spec_1): Generate -imultilib option.
14452 (The Specs Language): Update %I description.
14453 (process_command): Update copyright notice.
14454 * doc/cppopts.texi (-imultilib): Document.
14455 * doc/invoke.texi (-imultilib): Include in option summary.
14456 (%I): Update specs documentation.
14458 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14460 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14462 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14464 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14467 2006-01-20 Richard Guenther <rguenther@suse.de>
14468 Steven Bosscher <stevenb.gcc@gmail.com>
14470 PR rtl-optimization/24626
14471 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14472 EDGE_TRUE_VALUE if in RTL mode.
14475 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14476 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14478 2006-01-20 Dirk Mueller <dmueller@suse.com>
14481 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14482 instead of a special NOP marker.
14483 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14484 NOP marker handling.
14485 * c-common.h (empty_body_warning): Add forward declaration.
14486 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14487 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14489 2006-01-20 Paul Brook <paul@codesourcery.com>
14491 * Makefile.in (lang_checks): Keep going if mkdir fails.
14493 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14495 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14496 be able to clean out basic block when not necessary.
14497 (df_scan_free): Fixed to properly delete information if df is
14498 unused before calling df_finish.
14499 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14500 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14502 (df_bb_refs_delete): New function.
14503 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14504 * df-core.c (df_set_blocks): Added code to properly clean out
14505 unused blocks if they are not part of the blocks to consider.
14506 Added additional null check.
14507 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14508 be able to clean out basic block when not necessary
14509 * df.h (df_free_bb_function): Ditto.
14510 (df_bb_refs_delete): New function.
14511 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14512 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14513 basic block parameter to be able to clean out basic block when not
14515 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14516 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14517 Fixed to properly delete information if df is unused before
14520 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14522 PR rtl-optimization/25799
14523 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14524 Corrected confluence operator to remove bits from op2 before oring
14525 with op1 rather than removing bits from op1.
14526 (df_ru_transfer_function): Corrected test on wrong bitmap which
14527 caused infinite loop. Both of these problems were introduced in
14528 the dataflow rewrite.
14530 2006-01-19 DJ Delorie <dj@redhat.com>
14532 * reload1.c (find_reload_regs): Note the details of reload
14533 failures in the dump file.
14534 (spill_failure): Likewise.
14536 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14538 * loop-iv.c: Include df.h and hashtab.h.
14539 (enum iv_grd_result): New enum.
14540 (DF_REF_IV, DF_REF_IV_SET): New macros.
14541 (struct biv_entry): New.
14542 (df, bivs): New global variables.
14543 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14544 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14546 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14547 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14548 analyzed_for_bivness_p, record_biv): New functions.
14549 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14550 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14551 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14553 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14555 (iv_number_of_iterations): Use new interface to iv analysis.
14556 * loop-unroll.c: Do not include varray.h.
14557 (analyze_iv_to_split_insn): Use new interface to iv
14559 * loop-unswitch.c (may_unswitch_on): Ditto.
14560 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14562 (df_bb_modify): Realloc tables to the new index.
14563 (df_find_use): New function.
14564 * df.h (df_find_use): Declare.
14565 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14567 * cfgloop.h (struct rtx_iv): Remove analysed field.
14568 (iv_get_reaching_def): Removed.
14569 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14570 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14571 (loop-iv.o): Add df.h and hashtab.h dependency.
14572 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14574 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14577 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14579 (__floatundisf, __floatundidf): Likewise.
14580 * libgcc2.h (IS_IBM_EXTENDED): Define.
14582 2006-01-19 DJ Delorie <dj@redhat.com>
14584 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14586 2006-01-19 Paul Brook <paul@codesourcery.com>
14588 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14589 as nothrow when unwinding tables are disabled.
14591 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14594 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14595 of bit-field" when in system header.
14597 2006-01-19 DJ Delorie <dj@redhat.com>
14599 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14600 the 16 bit shift limit of the m16c.
14602 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14605 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14606 * config/i386/i386.c (output_set_got): Output the label if we have one
14607 for the TARGET_DEEP_BRANCH_PREDICTION case.
14609 2006-01-19 Jan Hubicka <jh@suse.cz>
14610 H.J. Lu <hongjiu.lu@intel.com>
14611 Evandro Menezes <evandro.menezes@amd.com>
14613 * invoke.texi (generic): Document
14615 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14616 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14617 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14618 (x86_use_incdec, x86_pad_returns): New variables
14619 (TARGET_CPU_DEFAULT_generic): New constant
14620 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14621 (enum processor_type): Add generic32 and generic64.
14622 * i386.md (cpu attribute): Add generic32/generic64
14623 (movhi splitter): Behave sanely when both partial_reg_dependency and
14624 partial_reg_stall are set.
14625 (K8 splitters): Enable for generic as well.
14626 * predicates.md (incdec_operand): Use TARGET_INCDEC
14627 (aligned_operand): Avoid memory mismatch stalls.
14628 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14629 * ppro.md: Enable for generic32
14630 * i386.c (generic64_cost, generic32_cost): New.
14631 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14632 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14633 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14634 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14635 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14636 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14637 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14638 x86_accumulate_outgoing_args, x86_prologue_using_move,
14639 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14640 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14641 Enable for generic.
14642 (x86_use_incdec, x86_pad_returns): New.
14643 (override_options): Add generic32 and generic64, translate "generic"
14644 to generic32/generic64 and "i686" to "generic32", refuse
14645 "generic32"/"generic64" as arch target.
14646 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14647 (ix86_reorg): Honor PAD_RETURNS.
14649 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14651 * tree-pretty-print.c (dump_generic_node): Handle
14652 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14653 * cgraph.c (cgraph_expand_queue): Rename from
14654 cgraph_analyze_queue. Update all users.
14655 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14656 cgraph_expand_queue.
14657 (cgraph_expand_all_functions): Likewise.
14658 (cgraph_finalize_pending_functions): Remove. Update callers.
14660 * tree.h (OMP_DIRECTIVE_P): Define.
14661 (OMP_PARALLEL_FN): Define.
14662 (OMP_PARALLEL_DATA_ARG): Define.
14663 (OMP_SECTIONS_SECTIONS): Define.
14664 * tree-pass.h (pass_expand_omp): Declare.
14665 * omp-low.c (struct omp_region): Declare.
14666 (struct omp_context): Remove fields 'parallel_type',
14667 'parallel_start_ix' and 'parallel_start_additional_args'.
14669 (struct omp_for_data): Rename from struct expand_omp_for_data.
14670 (omp_regions): New static variable.
14671 (root_omp_region): New static variable.
14672 (find_omp_clause): Make static.
14673 (is_in_combined_parallel_ctx): Remove.
14674 (is_combined_parallel): New.
14675 (extract_omp_for_data): Move earlier in the file.
14676 (workshare_safe_to_combine_p): New.
14677 (get_ws_args_for): New.
14678 (determine_parallel_type): Move earlier in the file.
14679 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14681 (omp_copy_decl): Likewise.
14682 (create_omp_child_function): Likewise.
14683 (lookup_omp_region): New.
14684 (dump_omp_region): New.
14685 (debug_omp_region): New.
14686 (debug_all_omp_regions): New.
14687 (new_omp_region): New.
14688 (scan_omp_parallel): If parallel_nesting_level > 1, the
14689 directive is nested within another parallel directive.
14690 Set OMP_PARALLEL_FN.
14691 (scan_omp_for): Do not try to handle combined parallel+for
14693 Remove FIXME comment.
14694 (scan_omp_nested): Remove.
14695 (scan_omp_1): Do not call scan_omp_nested when
14696 parallel_nesting_level is > 1.
14697 Do not change the DECL_CONTEXT of local variables found.
14698 (lookup_decl_in_outer_ctx): New.
14699 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14700 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14701 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14702 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14703 If CTX is nested, lookup VAR in the outer context when
14704 building copy assignment.
14705 (lower_send_clauses): Rename from expand_send_clauses.
14706 If CTX is nested, lookup VAR in the outer context when
14707 building copy assignments.
14708 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14709 If CTX is nested, lookup VAR in the outer context when
14710 building copy assignments.
14711 (expand_parallel_call): Rename from build_parallel_call.
14712 Handle combined parallel+workshare cases.
14713 Re-implement to emit code into the CFG.
14715 (expand_omp_parallel): Re-implement to emit code into the CFG.
14716 Call move_sese_region_to_fn to outline the sub-graph
14717 containing the parallel region.
14718 (expand_omp_for_1): Remove.
14719 (expand_omp_for_generic): Re-implement to emit code into the
14721 (expand_omp_for_static_nochunk): Likewise.
14722 (expand_omp_for_static_chunk): Likewise.
14723 (expand_omp_for): Likewise.
14724 (expand_omp_sections): Likewise.
14725 (remove_exit_barriers): New.
14726 (expand_omp_synch): New.
14728 (build_omp_regions_1): New.
14729 (build_omp_regions): New.
14730 (execute_expand_omp): New.
14731 (gate_expand_omp): New.
14732 (pass_expand_omp): Define.
14733 (lower_omp_sections): Rename from expand_omp_sections.
14734 Set OMP_SECTIONS_SECTIONS.
14735 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14736 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14737 (lower_omp_single): Rename from expand_omp_simple.
14738 (lower_omp_master): Rename from expand_omp_master.
14739 (lower_omp_ordered): Rename from expand_omp_ordered.
14740 (lower_omp_critical): Rename from expand_omp_critical.
14741 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14742 (lower_omp_for): Re-implement.
14743 (lower_omp_parallel): Re-implement.
14744 (lower_regimplify): Rename from expand_regimplify.
14745 (lower_omp_1): Rename from expand_omp_1.
14746 If there are syntax errors in the program, replace every
14747 OpenMP directive with NOP.
14748 Call lower_omp_* instead of expand_omp_*.
14749 (lower_omp): Rename from expand_omp.
14751 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14752 * tree-gimple.h (enum omp_parallel_type): Remove.
14753 (gimple_boolify): Declare extern.
14754 (find_omp_clause, determine_parallel_type): Remove.
14756 * gimple-low.c (lower_omp_directive): New.
14757 (lower_stmt): Call it.
14758 (record_vars_into): Move from ...
14759 (record_vars): ... here.
14760 Call record_vars_into with current_function_decl.
14762 * gimplify.c (struct gimplify_ctx): Remove fields
14763 combined_pre_p and combined_ctxp. Update users.
14764 (get_formal_tmp_var): Add documentation.
14765 (gimple_boolify): Make extern.
14766 (gimplify_expr_in_ctx): Remove. Update callers.
14767 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14768 will always be a BIND_EXPR.
14769 (gimplify_expr): Handle OMP_RETURN_EXPR.
14770 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14771 (OMP_PARALLEL): Add 3 operands.
14772 (OMP_SECTIONS): Add 1 operand.
14773 (OMP_RETURN_EXPR): Define.
14775 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14776 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14777 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14778 creating a circular free list.
14779 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14781 * tree-flow.h (move_sese_region_to_fn): Declare.
14782 (record_vars_into): Declare.
14783 * tree-cfg.c (make_omp_sections_edges): New.
14784 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14785 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14786 OMP_SECTIONS and OMP_SECTION.
14787 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14788 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14789 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14790 (gather_blocks_in_sese_region): New.
14791 (struct move_stmt_d): Declare.
14792 (move_stmt_r): New.
14793 (move_block_to_fn): New.
14794 (move_sese_region_to_fn): New.
14796 * passes.c (init_optimization_passes): Schedule
14797 pass_expand_omp after pass_init_datastructures.
14799 * tree-ssa-operands.c (get_expr_operands): Handle
14800 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14801 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14803 2006-01-19 Jeff Law <law@redhat.com>
14805 * tree-vrp.c (extract_range_from_assert): Refine the result range
14806 if the variable referenced by the ASSERT_EXPR has a range and
14807 either the tentative result range or the previous range is a
14810 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14812 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14814 2006-01-19 Jan Hubicka <jh@suse.cz>
14816 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14818 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14820 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14821 (expand_compound_operation, expand_field_assignment): Fail if the
14822 bit lengths of an extract operation are out of range.
14823 (make_extraction): Compute wanted_inner_mode based on the position
14824 and length of the extraction. Make it extraction_mode for non-constant
14825 positions, and do not modify offset in that case. When generating a
14826 new MEM, use a mode that can hold the extraction while keeping correct
14827 alignment. Remove code that supported MEMs wrapped by USEs.
14828 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14830 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14832 * config/s390/s390.md ("Y", "y"): New mode attribute.
14833 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14834 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14835 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14836 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14837 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14838 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14839 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14840 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14841 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14842 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14843 "addsi3", "subsi3"): Insn patterns removed.
14844 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14845 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14846 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14847 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14848 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14849 "*sub<mode>3_cconly2"): New insn patterns.
14850 ("addsi3", "subsi3"): New expanders.
14852 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14854 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14855 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14856 existing STMT_VINFO_VECTYPE if available.
14857 (vect_mark_relevant): Add special handling for stmts that are
14858 marked as STMT_VINFO_IN_PATTERN_P.
14859 (vect_analyze_loop): Call vect_pattern_recog.
14860 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14861 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14863 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14864 (vect_recog_func_ptr): New function-pointer type.
14865 * tree-vect-patterns.c: New file.
14866 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14867 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14868 (vect_pattern_recog_1): New functions.
14869 (vect_pattern_recog_funcs): New array of function pointers.
14871 * tree-vectorizer.h (ternary_op): New enum value.
14872 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14873 declaration. Revised documentation. Removed redundant dump prints.
14874 Removed redundant argument. Added support for reduction patterns.
14875 (vectorizable_reduction): Added support for reduction patterns.
14876 (vect_transform_stmt): Added support for patterns.
14878 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14879 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14880 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14881 (expand_widen_pattern_expr): New function.
14882 (init_optabs): Initialize new optabs udot_prod_optab,
14884 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14885 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14886 (expand_widen_pattern_expr): New function declaration.
14887 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14889 * tree-inline.c (estimate_num_insns_1): Added cases for new
14890 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14891 * tree-pretty-print.c (dump_generic_node): Likewise.
14892 (op_prio): Likewise.
14893 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14894 * tree-ssa-operands.c (get_expr_operands): Added case for
14896 * tree-vect-patterns.c (widened_name_p): New function.
14897 (vect_recog_dot_prod_pattern): Added function implementation.
14898 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14899 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14900 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14901 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14903 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14904 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14905 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14906 (init_optabs): Initialize new optabs widen_ssum_optab,
14908 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14909 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14910 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14911 use instead of type of def.
14912 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14913 function implementation.
14914 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14915 widen_ssumv8hi): New.
14917 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14920 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14923 * c-decl.c (add_flexible_array_elts_to_size): New function.
14924 (finish_decl): Use it.
14926 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14928 * diagnostic.h: Include options.h.
14929 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14930 dependancies for diagnostic.h.
14931 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14933 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14935 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14936 (ssa_ro_call_cache_valid): Ditto.
14937 * tree-ssa-alias.c (sort_tags_by_id): New function.
14938 (init_transitive_clobber_worklist): Ditto.
14939 (add_to_worklist): Ditto.
14940 (mark_aliases_call_clobbered): Ditto.
14941 (compute_tag_properties): Ditto.
14942 (set_initial_properties): Ditto.
14943 (compute_call_clobbered): Ditto.
14944 (compute_may_aliases): Call compute_call_clobbered and grouping.
14945 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14946 (compute_flow_insensitive_aliasing): Grouping now happens in our
14948 (setup_pointers_and_addressables): Remove clobbering related code.
14949 (add_may_alias): Ditto.
14950 (replace_may_alias): Ditto.
14951 (get_nmt_for): Ditto.
14952 (create_global_var):
14953 (is_escape_site): Return an escape_type enumeration.
14954 * tree-flow-inline.h (is_call_clobbered): Global var does not
14955 imply call clobbered.
14956 (mark_call_clobbered): Take a reason for marking this. Remove
14957 marking of globalness, and cache invalidation.
14958 (clear_call_clobbered): Remove cache invalidation code.
14959 * tree-dfa.c (dump_variable): If details is on, dump the reason
14961 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14963 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14964 (struct var_ann_d): Ditto.
14965 (enum escape_type): New.
14966 (mark_call_clobbered): Adjust prototype.
14967 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14968 are never call clobbered.
14969 Record reasons for escaping.
14970 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14971 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14972 (ssa_ro_call_cache_valid): Ditto.
14973 (clobbered_v_may_defs): Ditto.
14974 (clobbered_vuses): Ditto.
14975 (ro_call_vuses): Ditto.
14976 (clobber_stats): New.
14977 (init_ssa_operands): Zero out clobber stats.
14978 (fini_ssa_operands): Print out clobber stats.
14979 (get_call_expr_operands): Pass callee fndecl to
14980 add_call_read_ops).
14981 (add_call_clobber_ops): Remove use of cache.
14982 Add use of PURE_CONST information.
14983 (add_call_read_ops): Remove use of cache.
14984 Add use of static not_read information.
14986 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14988 Introduce TLS descriptors for i386 and x86_64.
14989 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14990 (TARGET_ANY_GNU_TLS): New macro.
14991 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14992 (struct machine_function): Add tls_descriptor_call_expanded_p.
14993 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14994 (ix86_current_function_calls_tls_descriptor): Likewise.
14995 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14996 (override_options): Introduce gnu2 tls dialect.
14997 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14999 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15001 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15002 (ix86_init_machine_status): Initialize new field.
15003 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15004 (ix86_tls_module_base): New.
15005 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15006 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15007 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15008 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15009 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15010 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15011 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15012 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15013 * config/i386/predicates.md (tls_modbase_operand): New.
15014 (tp_or_register_operand): New.
15016 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15018 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15019 (look_for_address_of): Ditto.
15020 (ipa_init): Walk the function decls.
15021 (static_execute): Don't set readonly on FUNCTION_DECL's.
15023 2006-01-18 Roger Sayle <roger@eyesopen.com>
15025 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15026 for shifts where the source and destination registers are different.
15028 2006-01-18 Paul Brook <paul@codesourcery.com>
15030 Merge from csl-arm-branch.
15031 2005-03-14 Julian Brown <julian@codesourcery.com>
15032 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15033 (aeabi_llsl): Likewise.
15034 (ashrdi3): Likewise.
15035 (aeabi_lasr): Likewise.
15036 (lshrdi3): Likewise.
15037 (aeabi_llsr): Likewise.
15038 2005-03-10 Julian Brown <julian@codesourcery.com>
15039 * config.gcc: Disable shared libgcc for SymbianOS.
15040 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15042 2006-01-18 DJ Delorie <dj@redhat.com>
15044 * c-pragma.c (handle_pragma_diagnostic): New.
15045 (init_pragma): Register it.
15046 * doc/extend.texi: Document it.
15048 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15049 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15050 (diagnostic_context): Add classify_diagnostic[].
15051 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15052 as errors if they're overridden to DK_WARNING.
15053 (diagnostic_initialize): Initialize classify_diagnostic[].
15054 (diagnostic_set_kind_override): New.
15055 (diagnostic_report_diagnostic): Check for kind changes.
15056 * opts.c (common_handle_option): Take lang_mask. Update callers.
15057 Handle OPT_Werror_.
15058 * common.opt (Werror=): New.
15059 * doc/invoke.texi: Document -Werror=*
15061 2006-01-18 Jeff Law <law@redhat.com>
15063 * tree-vrp.c (test_for_singularity): Correct test for new
15064 min limit. Use operand_equal_p rather than pointer equality
15065 for testing if new min/max values are equal.
15067 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15068 using range information until after propagation and folding.
15070 2006-01-18 Richard Henderson <rth@redhat.com>
15071 Aldy Hernandez <aldyh@redhat.com>
15072 Jakub Jelinek <jakub@redhat.com>
15073 Diego Novillo <dnovillo@redhat.com>
15075 * omp-low.c: New file.
15076 * c-omp.c: New file.
15078 2006-01-18 Richard Henderson <rth@redhat.com>
15079 Jakub Jelinek <jakub@redhat.com>
15080 Diego Novillo <dnovillo@redhat.com>
15082 * doc/invoke.texi: Document -fopenmp.
15083 * tree-dump.h (debug_function): Declare.
15084 * hooks.c (hook_bool_tree_bool_false): New function.
15085 (hook_tree_tree_null): Remove.
15086 (hook_tree_tree_tree_null): New.
15087 * hooks.h: Update to match.
15088 * tree-pretty-print.c (debug_tree_chain): New.
15089 (print_generic_expr): Handle TDF_CHAIN.
15090 (dump_generic_node): Handle BLOCK.
15091 Do not abort with incomplete SWITCH_EXPRs.
15092 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15093 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15094 print space after directive name.
15095 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15096 Handle OMP_MASTER and OMP_ORDERED.
15097 Handle printing of OMP_BODY just in one place, goto
15098 dump_omp_body in the rest of OMP_* nodes that have
15100 Don't handle clause nodes here. Update omp statements to
15101 use dump_omp_clauses.
15102 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15103 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15104 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15105 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15106 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15107 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15108 Adjust output for GOMP_PARALLEL.
15109 (dump_omp_clauses): New.
15110 (print_declaration): Dump DECL_VALUE_EXPR.
15111 (op_symbol_1): Split out of op_symbol.
15112 (dumping_stmts): Remove. Update all users.
15113 * cgraph.c (cgraph_analyze_queue): New.
15114 (cgraph_add_new_function): New.
15115 * cgraph.h (cgraph_analyze_queue): Declare.
15116 (cgraph_add_new_function): Declare.
15117 (cgraph_lower_function): Remove.
15118 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15119 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15120 and TYPE_P nodes in its default clause.
15121 (empty_body_p): New.
15122 (tree_range_check_failed): New.
15123 (build5_stat): New.
15124 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15125 OMP_CLAUSE_REDUCTION_MERGE,
15126 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15127 OMP_CLAUSE_PRIVATE_DEBUG,
15128 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15129 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15130 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15131 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15132 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15133 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15134 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15135 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15136 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15137 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15138 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15139 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15140 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15141 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15142 (TREE_RANGE_CHECK): New.
15143 (empty_body_p): Declare.
15144 (enum omp_clause_default_kind): New.
15145 (build_string_literal): Declare.
15146 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15147 (build5_stat, build5): Declare.
15148 * tree-pass.h (TDF_CHAIN): Define.
15149 * tree-pass.h (PROP_gimple_lomp): Define.
15150 (pass_lower_omp): Declare.
15151 * diagnostic.h (debug_tree_chain): Declare.
15152 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15154 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15155 * builtins.c (build_string_literal): Make extern.
15156 * gcc.c (include_spec_function): New.
15157 (static_spec_functions): Add it.
15158 (main): Move load of libgomp.spec ...
15159 (LINK_COMMAND_SPEC): ... here.
15160 (link_gomp_spec): New.
15161 (static_specs): Include it.
15162 (LINK_COMMAND_SPEC): Add link_gomp.
15163 (GOMP_SELF_SPECS): New.
15164 (driver_self_specs): Include it.
15165 (switch_matches): Don't mark inline.
15166 (main): Load libgomp.spec.
15167 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15168 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15169 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15170 * tree-gimple.h (enum omp_parallel): Declare.
15171 (determine_parallel_type): Declare.
15172 (omp_firstprivatize_variable): Declare.
15173 (omp_reduction_init): Declare.
15174 (diagnose_omp_structured_block_errors): Declare.
15175 (struct walk_stmt_info): Add want_return_expr.
15176 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15177 (find_omp_clause): Declare.
15178 (insert_field_into_struct): Declare.
15179 (struct walk_stmt_info): Move from tree-nested.c
15180 (walk_stmts): Declare.
15181 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15183 * cgraphunit.c (cgraph_lower_function): Make static.
15184 (cgraph_finalize_pending_functions): New.
15185 (cgraph_finalize_function): Call it.
15186 (cgraph_finalize_compilation_unit): Likewise.
15187 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15188 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15189 (BT_FN_UINT_UINT): New.
15190 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15191 DEF_FUNCTION_TYPE_VAR_4): Document.
15192 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15193 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15194 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15195 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15196 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15197 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15198 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15199 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15200 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15201 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15202 into separate files.
15203 (DEF_GOMP_BUILTIN): New.
15204 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15205 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15206 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15207 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15208 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15209 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15210 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15211 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15212 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15213 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15214 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15215 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15216 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15217 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15218 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15219 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15220 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15221 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15222 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15223 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15224 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15225 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15226 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15227 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15228 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15229 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15230 * sync-builtins.def: New file, moved from builtins.def.
15231 * omp-builtins.def: New file, moved from builtins.def.
15232 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15233 * gimple-low.c (lower_function_body): Clear data.
15234 (lower_stmt): Do not handle COMPOUND_EXPR.
15235 Remove call to print_node_brief.
15236 * c-tree.h (c_finish_omp_clauses): New prototype.
15237 (C_DECL_THREADPRIVATE_P): Define.
15238 (lookup_name_no_remap, c_omp_remap_private): Remove
15239 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15240 (check_for_loop_decls): Update decl.
15241 (lookup_name_no_remap, c_omp_remap_private): Declare.
15242 (build_indirect_ref, build_modify_expr, pushdecl,
15243 pushdecl_top_level): Move to c-common.h.
15244 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15245 before the switch, but just in the 2 places that need it.
15246 * c-decl.c (diagnose_mismatched_decls): Do not check for
15247 mismatched thread-local attributes when OLDDECL is marked
15248 threadprivate and NEWDECL has no thread-local attributes.
15249 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15250 (c_gimple_diagnostics_recursively): Rename from
15251 c_warn_unused_result_recursively. Invoke
15252 diagnose_omp_structured_block_errors.
15253 (check_for_loop_decls): Return a singular decl found.
15254 * langhooks.c (lhd_omp_predetermined_sharing): Return
15255 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15256 (lhd_omp_firstprivatize_type_sizes): New.
15257 (lhd_omp_assignment): New.
15258 (lhd_omp_predetermined_sharing): New.
15259 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15260 (struct lang_hooks_for_types): Add
15261 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15262 omp_predetermined_sharing, omp_disregard_value_expr,
15263 omp_private_debug_clause, omp_clause_default_ctor,
15264 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15265 (c_finish_omp_clauses): New.
15266 (c_finish_bc_stmt): Diagnose break within omp for.
15267 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15268 (build_unary_op): Return error_mark after reporting
15270 (build_modify_expr): Likewise.
15271 * gimplify.c: Include optabs.h and pointer-set.h.
15272 (enum gimplify_omp_var_data): Declare.
15273 (struct gimplify_omp_ctx): Declare.
15274 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15276 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15277 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15278 (splay_tree_compare_decl_uid): New.
15279 (new_omp_context): New.
15280 (delete_omp_context): New.
15281 (gimple_add_tmp_var): Call omp_add_variable.
15282 (gimplify_bind_expr): Likewise.
15283 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15284 true, disregard DECL_VALUE_EXPR on the decl if any.
15285 (gimplify_expr_in_ctx): New.
15286 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15287 omp_add_variable, omp_notice_variable, omp_is_private
15288 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15289 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15290 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15291 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15292 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15293 gimplify_omp_atomic): New.
15294 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15295 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15296 OMP_CRITICAL and OMP_ATOMIC.
15297 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15298 * c-pragma.h (enum pragma_kind): Add
15299 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15300 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15301 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15302 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15303 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15304 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15305 PRAGMA_OMP_THREADPRIVATE.
15306 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15307 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15308 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15309 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15310 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15311 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15312 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15313 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15314 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15315 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15316 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15317 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15318 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15320 (struct nesting_info): Add field_map,
15321 suppress_expansion, debug_var_chain.
15322 (create_nesting_tree): Initialize them.
15323 (lookup_field_for_decl): Use field_map.
15324 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15325 (convert_local_omp_clauses): New.
15326 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15327 (walk_body): Split out of walk_function.
15328 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15329 (convert_nonlocal_reference): Handle omp statements.
15330 (convert_local_reference): Likewise.
15331 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15332 (unnest_nesting_tree): New.
15333 (lower_nested_functions): Call it.
15334 (insert_field_into_struct): Make extern.
15335 (struct walk_stmt_info): Move to tree-gimple.h.
15336 (walk_stmts): Make extern.
15337 * omp-builtins.def: New file.
15338 * tree-iterator.c (expr_only): Clarify comment.
15339 * c-common.h (pushdecl_top_level, pushdecl,
15340 build_modify_expr, build_indirect_ref,
15341 c_finish_omp_master, c_finish_omp_critical,
15342 c_finish_omp_ordered, c_finish_omp_barrier,
15343 c_finish_omp_atomic, c_finish_omp_flush,
15344 c_finish_omp_for, c_split_parallel_clauses,
15345 omp_clause_default_kind, c_omp_sharing_predetermined,
15346 c_omp_remap_decl): Declare.
15347 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15348 (OBJS-common): Add omp-low.o.
15349 (c-omp.o, omp-low.o): Add.
15350 (gimplify.o): Add dependency on $(OPTABS_H).
15351 (GTFILES): Add omp-low.c.
15352 (gt-stringpool.h): Add.
15353 * tree-cfg.c (set_bb_for_stmt): Do not update the
15354 block-to-labels map if we are currently expanding to RTL.
15355 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15357 Handle IDENTIFIER_NODE.
15358 (tree_verify_flow_info): Do not ICE when emitting error
15359 messages about invalid labels.
15360 (dump_function_to_file): Reset CFUN before emitting the body
15362 (debug_function): New.
15363 * passes.c (init_optimization_passes): Schedule
15365 * langhooks-def.h (lhd_omp_predetermined_sharing,
15366 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15368 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15369 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15370 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15371 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15372 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15373 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15374 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15375 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15376 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15377 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15378 (LANG_HOOK_DECLS): Use them.
15380 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15381 Richard Henderson <rth@redhat.com>
15382 Jakub Jelinek <jakub@redhat.com>
15383 Diego Novillo <dnovillo@redhat.com>
15385 * c-parser.c (pragma_omp_clause): Define.
15386 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15387 (c_parser_compound_statement): Likewise.
15388 (c_parser_statement): Likewise.
15389 (c_parser_pragma): Handle omp pragmas.
15390 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15391 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15392 (c_parser_omp_clause_name, check_no_duplicate_clause,
15393 c_parser_omp_variable_list,
15394 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15395 c_parser_omp_clause_copyprivate,
15396 c_parser_omp_clause_default,
15397 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15398 c_parser_omp_clause_lastprivate,
15399 c_parser_omp_clause_nowait,
15400 c_parser_omp_clause_num_threads,
15401 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15402 c_parser_omp_clause_reduction,
15403 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15404 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15405 c_parser_omp_atomic, c_parser_omp_barrier,
15406 c_parser_omp_critical, c_parser_omp_flush,
15407 c_parser_omp_for_loop, c_parser_omp_for,
15408 c_parser_omp_master, c_parser_omp_ordered,
15409 c_parser_omp_sections_scope, c_parser_omp_sections,
15410 c_parser_omp_parallel, c_parser_omp_single,
15411 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15412 * c-pragma.c (init_pragma): Do omp pragma registration here.
15413 * c.opt (fopenmp): New flag.
15415 2006-01-18 Eric Christopher <echristo@apple.com>
15417 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15418 * config/darwin.h (GOMP_SELF_SPECS): Define.
15420 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15422 * rtl.h: Remove the prototype for reg_alloc.
15424 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15427 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15428 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15429 sjlj and dwarf2 exception handling.
15430 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15431 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15432 * pa/pa.c (function_value): Treat complex and vector types as
15434 (function_arg): Likewise. Only pass scalar floats in the floating
15435 point argument registers.
15436 * pa/t-slibgcc-dwarf-ver: New file.
15437 * pa/t-slibgcc-sjlj-ver: New file.
15438 * pa/t-slibgcc-elf-ver: Delete file.
15440 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15442 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15443 unlikely_test_section_p test.
15445 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15447 * mode-switching.c (optimize_mode_switching): Make it static.
15448 * basic-block.h: Remove the prototype for
15449 optimize_mode_switching.
15451 * modulo-sched.c (sms_schedule): Make it static.
15452 * rtl.h: Remove the prototype for sms_schedule.
15454 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15455 * rtl.h: Remove the prototype for gcse_after_reload_main.
15457 * reg-stack.c (reg_to_stack): Make it static.
15458 * rtl.h: Remove the prototype for reg_to_stack.
15460 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15462 * rtl.h: Remove the prototypes for regrename_optimize and
15463 copyprop_hardreg_forward.
15465 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15467 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15468 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15469 Test against the appropriate null constant for the mode.
15470 If 'fixup_overlap' is true, swap the operands if they overlap.
15471 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15472 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15473 alpha_split_tmode_pair and adjust for above change.
15474 * config/alpha/alpha.md (movtf_internal): Adjust call to
15475 alpha_split_tfmode_pair and rely on it to swap the operands.
15476 (movti_internal): New insn and post-reload splitter.
15477 (movti): New expander.
15479 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15481 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15484 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15486 * rtlanal.c (global_reg_mentioned_p_1,
15487 global_reg_mentioned_p): Remove.
15488 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15490 * flow.c (initialize_uninitialized_subregs): Make it static.
15491 * rtl.h: Remove the prototype for
15492 initialize_uninitialized_subregs.
15494 * function.c (instantiate_virtual_regs): Make it static.
15495 * function.h: Remove the prototype for
15496 instantiate_virtual_regs.
15498 * regmove.c (regmove_optimize, combine_stack_adjustments):
15500 * rtl.h: Remove the prototypes for regmove_optimize and
15501 combine_stack_adjustments.
15503 2006-01-17 Roger Sayle <roger@eyesopen.com>
15505 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15506 (size_cost): Encode costs in bytes so that a reg-reg addition is
15507 equivalent to COSTS_N_INSNS(1).
15508 (override_options): Use the size_cost.branch_cost as the default
15509 ix86_branch_cost when optimizing for size.
15511 2006-01-18 Ben Elliston <bje@au.ibm.com>
15513 * Makefile.in (D32PBIT_FUNCS): New.
15514 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15515 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15516 D64PBIT_FUNCS and D128PBIT_FUNCS.
15517 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15518 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15520 (decnumber_dep): Define.
15521 * doc/libgcc.texi (Decimal float library routines): New node.
15522 * config/dfp-bit.h, config/dfp-bit.c: New files.
15524 2006-01-18 Ben Elliston <bje@au.ibm.com>
15526 * expr.c (emit_move_change_mode): Always adjust addresses, not
15527 just during reload. Copy replacements only during reload.
15528 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15529 emit_move_via_integer.
15531 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15533 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15534 instead of $(srcdir) and ${srcdir}.
15536 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15539 PR middle-end/11135
15540 * arm.h (struct machine_function): Add pic_reg.
15541 * arm.c (arm_pic_register): Make unsigned.
15542 (arm_override_options): Only set arm_pic_register if
15543 TARGET_SINGLE_PIC_BASE.
15544 (use_return_insn): Only test for a pic register if it is fixed.
15545 (arm_compute_save_reg0_reg12_mask): Likewise.
15546 (thumb_compute_save_reg_mask): Likewise.
15547 (legitimate_pic_operand): Factor out some known invariants.
15548 (legitimize_pic_address): If we don't have a fixed pic register,
15549 then set up a pseudo in the function entry sequence. Handle the
15550 pic base being in a pseudo.
15551 (arm_load_pic_register): Handle the pic register being in a pseudo.
15552 (arm_expand_prologue): Only set up the pic register if it is fixed.
15553 (thumb_expand_prologue): Likewise.
15554 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15555 (pic_load_addr_based_insn): Likewise.
15556 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15559 2006-01-18 Ben Elliston <bje@au.ibm.com>
15561 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15562 decimal float modes for all floating point registers.
15564 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15565 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15567 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15570 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15571 even when the pointer is not NULL.
15573 2006-01-16 Ian Lance Taylor <ian@airs.com>
15575 * common.opt (ftoplevel-reorder): New option.
15576 * cgraph.c (cgraph_asm_nodes): New global variable.
15577 (cgraph_asm_last_node): New static variable.
15578 (cgraph_order): New global variable.
15579 (cgraph_create_node): Set new order field.
15580 (cgraph_varpool_node): Likewise.
15581 (decide_is_variable_needed): Return true if not
15582 flag_toplevel_reorder.
15583 (cgraph_add_asm_node): New function.
15584 * cgraph.h (struct cgraph_node): Add order field.
15585 (struct cgraph_varpool_node): Add order field.
15586 (struct cgraph_asm_node): Define.
15587 (cgraph_asm_nodes, cgraph_order): Declare.
15588 (cgraph_add_asm_node): Declare.
15589 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15591 (cgraph_varpool_assemble_pending_decls): Call it.
15592 (cgraph_output_pending_asms): New static function.
15593 (cgraph_finalize_compilation_unit): Call it.
15594 (struct cgraph_order_sort): Define.
15595 (cgraph_output_in_order): New static function.
15596 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15597 !flag_toplevel_reorder case.
15598 * c-parser.c: Include "cgraph.h".
15599 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15601 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15602 than -fno-unit-at-a-time.
15603 * doc/invoke.texi (Option Summary): Mention
15604 -fno-toplevel-reorder.
15605 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15606 -funit-at-a-time documentation.
15608 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15609 Kazu Hirata <kazu@codesourcery.com>
15611 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15613 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15615 * Makefile.in (FUNCTION_H): New. Use it instead of
15616 function.h throughout the file.
15617 * function.h: Include tree.h.
15619 2006-01-17 Ben Elliston <bje@au.ibm.com>
15621 * recog.c: Separate some functions with whitespace.
15623 2006-01-16 Richard Henderson <rth@redhat.com>
15625 Merge from gomp branch:
15626 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15627 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15628 and rename from struct inline_data. Rename callee* to dst*;
15629 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15630 transform_new_cfg, transform_return_to_modify, and
15631 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15633 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15634 (copy_decl_for_dup): Remove.
15635 * tree-inline.c (struct inline_data): Move to header.
15636 (insert_decl_map): Export.
15637 (remap_decl): Update for member name changes. Use copy_decl hook.
15638 Allow for replacement to be a non-decl. Remove dead code.
15639 (remap_type_1): Check for existing mapping.
15640 (remap_type): Export.
15641 (remap_decls): Update for member name changes.
15642 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15643 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15644 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15645 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15646 (tree_function_versioning, build_duplicate_type): Likewise.
15647 (copy_body_r): Likewise. Export.
15648 (copy_decl_for_dup): Split into ...
15649 (copy_decl_for_dup_finish, copy_decl_to_var,
15650 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15651 (replace_ref_tree, inlining_p): Remove.
15653 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15655 * ifcvt.c (if_convert): Make it static.
15656 * rtl.h: Remove the prototype for if_convert.
15658 * local-alloc.c (local_alloc): Make it static.
15659 * rtl.h: Remove the prototype for local_alloc.
15661 * loop.c (loop_optimize): Make it static.
15662 * cfgloop.h: Remove the prototype for loop_optimize.
15665 2006-01-16 DJ Delorie <dj@redhat.com>
15667 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15670 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15672 * pa.md: Disparage copies between general and floating-point registers
15673 in 32-bit move patterns.
15675 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15678 * Makefile.in (check-%): Depend on site.exp instead of
15679 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15682 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15684 * global.c (global_alloc): Make it static.
15685 * rtl.h: Remove the prototype for global_alloc.
15687 2006-01-16 Richard Guenther <rguenther@suse.de>
15689 * tree-ssa-alias.c (struct used_part): Add write_only field.
15690 (get_or_create_used_part_for): Initialize it to true.
15691 (create_overlap_variables_for): Don't create structure variables
15692 for structures that only are written to.
15693 (find_used_portions): Handle MODIFY_EXPR to track whether a
15694 structure is only written to.
15696 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15698 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15700 * basic-block.h: Remove the prototype for
15701 partition_hot_cold_basic_blocks.
15703 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15705 * cppspec.c (lang_specific_spec_functions): Remove.
15706 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15707 * gcc.h (lang_specific_spec_functions): Remove.
15708 * gccspec.c (lang_specific_spec_functions): Remove.
15710 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15712 * combine.c (record_value_for_reg): Invalidate registers
15714 (record_dead_and_set_regs_1): Likewise, by passing them to
15715 record_value_for_reg.
15716 (record_dead_and_set_regs): Invalidate stores made by a
15717 call. We do not combine across a call, but we still
15718 relied on equivalences.
15720 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15722 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15723 vrp_int_const_binop returning non-constant nodes.
15725 2006-01-16 Paul Brook <paul@codesourcery.com>
15727 * config/m68k/m68k.c (output_move_const_into_data_reg):
15728 Output correct mnemonic for mvz and mvs.
15730 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15732 * rtl-factoring.c: Add sequence abstraction algorithm.
15733 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15734 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15736 (block_has_preserve_label): New function.
15737 * common.opt: Register new pass.
15738 * Makefile.in: Ditto.
15740 * timevar.def: Ditto.
15741 * tree-pass.h: Ditto.
15742 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15743 * rtl.h (make_jump_insn_raw): Add forward decl.
15744 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15746 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15747 Roger Sayle <roger@eyesopen.com>
15749 * fold-const.c (fold_minmax): New static function.
15750 (fold_binary) <MIN_EXPR>: Call it.
15751 <MAX_EXPR>: Likewise.
15752 * stor-layout.c (place_field): Use DECL_SIZE consistently
15753 in the computation of the new record size.
15755 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15757 * cse.c (cse_condition_code_reg): Make it static.
15758 * rtl.h: Remove the prototype for cse_condition_code_reg.
15760 * combine.c (combine_instructions): Make it static.
15761 * rtl.h: Remove the prototype for combine_instructions.
15763 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15766 * tree.c (get_file_function_name_long): Concatenate the first global
15767 object name with a string derived from the input filename of the object
15770 2006-01-16 Ben Elliston <bje@au.ibm.com>
15772 * config/i386/winnt-stubs.c: Update FSF address.
15773 * config/xtensa/ieee754-df.S: Ditto.
15774 * config/xtensa/ieee754-sf.S: Ditto.
15776 2006-01-14 Ian Lance Taylor <ian@airs.com>
15778 * ifcvt.c (noce_init_if_info): New static function, broken out of
15779 noce_process_if_block.
15780 (noce_process_if_block): Call noce_init_if_info.
15781 (check_cond_move_block): New static function.
15782 (cond_move_process_if_block): New static function.
15783 (process_if_block): Call cond_move_process_if_block.
15785 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15787 * cselib.c (hash_table): Rename to cselib_hash_table.
15788 (cselib_clear_table, discard_useless_values,
15789 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15790 cselib_init, cselib_finish): Adjust uses of hash_table.
15792 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15794 PR tree-optimization/25485
15795 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15796 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15797 is known to be false and true, respectively.
15799 2006-01-14 Richard Guenther <rguenther@suse.de>
15801 PR tree-optimization/22548
15802 PR tree-optimization/22555
15803 PR tree-optimization/22501
15804 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15805 * params.def (salias-max-array-elements): New parameter.
15806 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15807 * doc/invoke.texi (salias-max-array-elements): Document.
15808 * tree-flow-inline.h (var_can_have_subvars): We also handle
15810 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15812 * tree-ssa-structalias.c (params.h): Include.
15813 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15814 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15815 (get_constraint_for): For ADDR_EXPR operating on something
15816 containing an ARRAY_REF, add all subvars to the solution.
15817 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15818 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15819 for creating MUST_DEFs.
15820 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15822 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15824 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15826 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15827 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15828 number_of_iterations_le): New functions.
15829 (number_of_iterations_special): Removed.
15830 (number_of_iterations_exit): Do not use number_of_iterations_special.
15831 * tree.c (unsigned_type_for): Always return integer type.
15833 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15834 Richard Guenther <rguenther@suse.de>
15836 PR rtl-optimization/24257
15837 * gcse.c (find_moveable_store): Only consider a store movable
15838 when the SET_SRC of the insn can be assigned to a register.
15840 2006-01-14 Ian Lance Taylor <ian@airs.com>
15842 * tree.c (tree_not_class_check_failed): New function.
15843 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15844 (tree_not_class_check_failed): Declare.
15846 2006-01-13 Ian Lance Taylor <ian@airs.com>
15848 * reload1.c (do_output_reload): Add assertion rejecting a
15851 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15853 * combine.c (struct reg_stat): Add new fields truncation_label and
15855 (record_value_for_reg): Reset truncated_to_mode.
15856 (record_truncated_value): New function.
15857 (check_promoted_subreg): Call it. Rename to check_conversions.
15858 (combine_instructions): Rename check_promoted_subreg to
15860 (reg_truncated_to_mode): New function.
15861 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15862 (gen_lowpart_or_truncate): New function.
15863 (force_to_mode): Use it instead of gen_lowpart.
15865 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15867 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15868 VAR is a tag, not its type tag.
15870 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15872 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15873 alternatives to match style of other entries.
15874 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15876 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15878 PR tree-optimization/25771
15879 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15882 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15885 * tree-inline.c (declare_return_variable): If the return variable
15886 was marked as a non gimple complex, set the return slot variable
15887 to be a non gimple comple variable.
15889 2006-01-13 Richard Guenther <rguenther@suse.de>
15891 * builtins.c (expand_builtin_sincos): New function.
15892 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15894 (expand_builtin): Expand sincos using expand_builtin_sincos.
15896 2006-01-12 DJ Delorie <dj@redhat.com>
15898 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15899 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15900 so that constant shifts can be split.
15901 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15902 (m32c_valid_pointer_mode): Make static.
15903 (shift_gen_func_for): New.
15904 (m32c_prepare_shift): Use it. Split large const shifts into
15906 * config/m32c/predicates.md (shiftcount_operand): Allow more
15908 (longshiftcount_operand): New.
15909 * doc/md.texi (Machine Constraints): Document In6.
15911 2006-01-13 Ben Elliston <bje@au.ibm.com>
15913 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15914 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15917 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15919 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15920 to try to avoid clobbering pieces of structures when we know
15921 something about the whole structure.
15922 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15924 2006-01-13 Ben Elliston <bje@au.ibm.com>
15926 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15927 return in memory, as this is no limitation is no longer present.
15929 2006-01-12 DJ Delorie <dj@redhat.com>
15931 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15932 mova with fb, and for fb+0 -> An.
15934 * config/m32c/mov.md (peephole2): Fix enabling logic.
15936 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15937 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15938 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15939 FINI_ARRAY_SECTION_ASM_OP): Define.
15941 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15943 (m32c_legitimize_reload_address): New logic to reload FB to An.
15944 (m32c_output_reg_push): Add newline.
15945 (m32c_output_reg_pop): Likewise.
15947 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15949 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15951 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15953 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15955 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15957 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15960 2006-01-11 Ben Elliston <bje@au.ibm.com>
15962 * rtlanal.c (find_reg_note): Assert insn is not null.
15964 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15966 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15969 2006-01-11 Jeff Law <law@redhat.com>
15971 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15973 (mark_threaded_blocks, register_jump_thread): New functions.
15974 (thread_through_all_blocks): Remove unwanted argument. No
15975 longer rely on e->aux to communicate thread target info.
15976 Call mark_threaded_blocks. Release the threaded_blocks
15977 bitmap and threaded_edges vector when complete.
15978 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15979 (threaded_blocks): Remove.
15980 (tree_ssa_dominator_optimize): Remove initialization and
15981 finalization of threaded_blocks. Simplify call to
15982 thread_through_all_blocks.
15983 (thread_across_edge): Call register_jump_thread rather than
15984 storing thread information into e->aux.
15985 (free_all_edge_infos): Simplify now that e->aux is no longer
15986 used to communicate with thread_through_all_blocks.
15987 * tree-flow.h (thread_through_all_blocks): Update prototype.
15988 (register_jump_thread): Prototype.
15990 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15992 * df-core.c (df_compact_blocks, df_bb_replace): Use
15993 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15995 2006-01-11 Richard Guenther <rguenther@suse.de>
15997 PR tree-optimization/25734
15998 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15999 stop propagation after successful propagation to the LHS.
16001 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16003 * basic-block.h (control_flow_graph): Change the type of
16004 x_basic_block_info to VEC(basic_block,gc) *.
16005 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16007 (SET_BASIC_BLOCK): New.
16008 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16009 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16010 * cfgbuild.c (find_basic_blocks): Likewise.
16011 * cfglayout.c (fixup_reorder_chain): Likewise.
16012 * cfgrtl.c (create_basic_block_structure,
16013 rtl_create_basic_block): Likewise.
16014 * ifcvt.c (find_if_case_1): Likewise.
16015 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16018 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16020 * Makefile.in: Removed rotted odf.c entry.
16022 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16025 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16026 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16027 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16028 output pattern modifier, not %e.
16029 * config/cris/cris.c (cris_op_str): Update comment about pattern
16031 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16032 before falling through into...
16033 <case 'E'>: Redefined from old 'e' case.
16035 2006-01-11 Jan Hubicka <jh@suse.cz>
16038 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16040 2006-01-11 Jan Hubicka <jh@suse.cz>
16042 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16043 * i386.c (x86_decompose_lea): Kill.
16044 (ix86_rtx_costs): Kill.
16046 2006-01-11 Jan Hubicka <jh@suse.cz>
16048 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16049 * cgraph.h (cgraph_node): Add inline_decl.
16050 (cgraph_insert_node_to_hashtable): Declare.
16051 (save_inline_function_body): Declare.
16052 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16054 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16055 (cgraph_function_versioning): Update call of tree_function_versioning.
16056 (save_inline_function_body): New function.
16057 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16058 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16059 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16060 (cgraph_default_inline_p): Likewise.
16061 (cgraph_decide_inlining_incrementally): Likewise.
16062 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16063 (copy_bb): Kill saving; do updating of clones.
16064 (copy_cfg_body): Kill saving.
16065 (initialize_inlined-parameters): Likewise.
16066 (expand_call_inline): Likewise.
16068 (tree_function_versioning): New parameter "update_clones".
16069 (inlining_p): Kill saving.
16070 * tree-inline.h (tree_function_versioning): Update prototype.
16071 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16074 2006-01-11 Ian Lance Taylor <ian@airs.com>
16076 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16077 Allow undoing set of machine mode.
16078 (do_SUBST): Use enums instead of is_int.
16079 (do_SUBST_MODE): New function.
16080 (SUBST_MODE): New macro.
16081 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16082 reg and trying to replace reg_regno_rtx with a new register.
16083 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16084 (simplify_set): Use SUBST_MODE.
16085 (distribute_notes): Remove code that tried to update reg notes
16086 for regno_reg_rtx changes.
16088 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16090 PR tree-optimization/23109
16091 PR tree-optimization/23948
16092 PR tree-optimization/24123
16094 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16095 * tree-cfg.c (single_noncomplex_succ): New.
16096 * tree-flow.h (single_noncomplex_succ): Declare it.
16097 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16098 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16099 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16100 insert_bb, register_division_in, insert_reciprocals,
16101 replace_reciprocal, free_bb): New.
16102 (execute_cse_reciprocals_1): Rewritten.
16103 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16104 Do not commit any edge insertion. Always compute dominators and
16105 create the allocation pool.
16106 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16107 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16108 * targhooks.c (default_min_divistions_for_recip_mul): New.
16109 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16110 * passes.c (init_optimization_passes): Run recip after tree loop
16112 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16114 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16115 Kenneth Zadeck <zadeck@naturalbridge.com>
16117 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16118 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16119 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16120 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16121 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16122 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16123 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16124 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16125 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16126 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16127 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16128 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16129 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16130 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16131 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16132 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16133 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16134 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16135 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16136 DF_SCAN_POST_ALLOC): New macros.
16137 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16138 df_free_bb_function, df_local_compute_function, df_init_function,
16139 df_dataflow_function, df_confluence_function_0,
16140 df_confluence_function_n, df_transfer_function,
16141 df_finalizer_function, df_free_function, df_dump_problem_function,
16142 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16143 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16144 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16145 df_urec_bb_info, ) New types.
16146 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16148 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16149 df_analyze_simple_change_some_blocks,
16150 df_analyze_simple_change_one_block, df_compact_blocks,
16151 df_bb_replace, df_bb_regno_last_use_find,
16152 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16153 df_insn_regno_def_p, df_find_def, df_find_use,
16154 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16155 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16156 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16157 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16158 debug_df_chain, df_get_dependent_problem, df_chain_create,
16159 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16160 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16161 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16162 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16163 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16164 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16165 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16166 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16167 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16168 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16169 df_reorganize_refs, df_set_state, df_hard_reg_init,
16170 df_read_modify_subreg_p) New public functions.
16171 * df-core.c: The core dataflow solver and glue routines for rtl
16173 (df_init, df_add_problem, df_set_blocks, df_finish,
16174 df_hybrid_search_forward, df_hybrid_search_backward,
16175 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16176 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16177 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16178 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16179 df_reg_defined, df_find_use, df_reg_used, df_dump,
16180 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16181 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16182 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16183 debug_df_useno, reset_df_after_reload): New functions.
16184 * df-scan.c: The scanning fuctions, once in df.c, completely
16185 rewritten so that they now fully model the functionality of
16186 register usage at the backend.
16187 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16188 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16189 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16190 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16191 df_get_artificial_defs, df_get_artificial_uses,
16192 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16193 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16194 df_refs_delete, df_reorganize_refs, df_set_state,
16195 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16196 df_def_record_1, df_defs_record, df_uses_record,
16197 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16198 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16199 df_record_exit_block_uses, df_hard_reg_init): New functions.
16201 * df-problems.c: Seven concrete dataflow problems that use the
16202 scanning in df-scan.c and are solved by the engine in df-core.c.
16203 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16204 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16205 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16206 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16207 df_ru_free_bb_info, df_ru_alloc,
16208 df_ru_bb_local_compute_process_def,
16209 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16210 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16211 df_ru_transfer_function, df_ru_free, df_ru_dump,
16212 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16213 df_rd_free_bb_info, df_rd_alloc,
16214 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16215 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16216 df_rd_transfer_function, df_rd_free, df_rd_dump,
16217 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16218 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16219 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16220 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16221 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16222 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16223 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16224 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16225 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16226 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16227 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16228 df_urec_mark_reg_use_for_earlyclobber,
16229 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16230 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16231 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16232 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16233 df_chain_create_bb_process_use, df_chain_create_bb,
16234 df_chain_finalize, df_chain_free, df_chains_dump,
16235 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16236 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16237 df_reg_lifetime): New functions.
16238 * df.c: Deleted file.
16239 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16240 consistent with new df api.
16241 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16242 rest_of_handle_sms): Ditto.
16243 * web.c (unionfind_union, union_defs, entry_register, web_main):
16245 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16246 invariant_expr_equal_p, find_defs, check_dependencies,
16247 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16248 free_inv_motion_data, move_loop_invariants): Ditto.
16249 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16250 Update dependencies.
16251 (odf.c): Added defective entry that was deleted later in day.
16252 * sched-deps.c (sched_analyze_1): Ditto.
16254 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16256 * tree-ssa-operands.c (get_expr_operands): Record addressable
16257 variables directly. Do not call add_stmt_operands for CONST_DECLs
16259 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16260 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16262 2006-01-11 Ben Elliston <bje@au.ibm.com>
16264 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16265 function returns true in the positive case.
16267 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16270 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16271 for SI, DI, SF and DF modes. Add alternatives to copy between
16272 general and floating point registers to the 32-bit patterns.
16273 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16274 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16275 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16276 generating 64-bit code.
16277 * config/pa/pa.c (output_move_double): Handle copies between general
16278 and floating registers.
16280 2006-01-10 Stuart Hastings <stuart@apple.com>
16282 * config/i386/i386.md (set_got): Update.
16283 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16284 (builtin_setjmp_receiver): Mach-O support.
16285 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16286 (GOT_SYMBOL_NAME): Define.
16287 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16288 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16289 * config/i386/i386.c (override_options): Revise for Darwin.
16290 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16291 support. (darwin_x86_file_end): New. (output_set_got): Add label
16292 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16293 * config/i386/i386-protos.h (output_set_got): Likewise.
16294 * config/darwin.c (machopic_legitimize_pic_address): Update
16297 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16299 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16300 when MODE isn't BLKmode.
16302 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16304 PR rtl-optimization/25367
16305 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16307 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16310 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16311 for a negative bound.
16313 2006-01-10 Richard Guenther <rguenther@suse.de>
16315 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16316 Never override with anything constraint.
16318 2006-01-10 Jan Beulich <jbeulich@novell.com>
16320 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16321 256 bits when optimize_size.
16323 2006-01-10 Jan Beulich <jbeulich@novell.com>
16325 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16327 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16328 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16331 2006-01-10 Ben Elliston <bje@au.ibm.com>
16333 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16335 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16336 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16337 (USE_FP_FOR_ARG): Reject decimal float modes.
16338 (function_arg_advance): Likewise.
16339 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16340 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16341 point types in AltiVec vectors.
16342 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16343 (rs6000_libcall_value): Likewise.
16345 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16347 * config/xtensa/ieee754-df.S: New file.
16348 * config/xtensa/ieee754-sf.S: New file.
16349 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16350 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16351 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16353 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16355 * config/sh/predicates.md (binary_float_operator,
16356 binary_logical_operator, commutative_float_operator,
16357 equality_comparison_operator, greater_comparison_operator,
16358 less_comparison_operator, logical_operator,
16359 noncommutative_float_operator, shift_operator,
16360 symbol_ref_operand, unary_float_operator): Remove redundant
16363 2006-01-09 Jeff Law <law@redhat.com>
16365 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16366 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16367 now unused arguments. Callers updated.
16368 (eliminate_redundant_computations): Remove now unused arguments,
16370 (local_fold): Remove, no longer used.
16371 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16373 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16374 (simplify_cond): New function.
16375 (forward_propagate_into_cond): Call simplify_cond.
16377 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16379 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16380 (*vec_extractv2di_1_sse): New.
16382 2006-01-09 Ben Elliston <bje@au.ibm.com>
16384 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16386 2006-01-08 Richard Guenther <rguenther@suse.de>
16388 * tree-ssa-structalias.c (get_constraint_for): Remove
16389 anyoffset argument.
16390 (get_constraint_for_component_ref): Likewise.
16391 (do_deref): Likewise.
16392 (get_constraint_for): Likewise.
16393 (do_structure_copy): Likewise.
16394 (handle_ptr_arith): Likewise.
16395 (find_func_aliases): Likewise. Remove unused need_anyoffset
16398 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16399 Kaz Kojima <kkojima@gcc.gnu.org>
16401 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16402 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16403 (EXTRA_CONSTRAINT_C16): Remove.
16404 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16405 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16406 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16407 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16408 constants of SHmedia. Handle nested constant expressions of
16410 (andcosts): Fix the costs for SHmedia constants.
16411 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16412 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16413 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16414 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16415 (movv4hi_i, movv2si_i): Likewise.
16416 (movsi_const): Adjust the second operand of ior so to match with
16417 the Csu constraint.
16418 (movdi_const, movdi_const_32bit): Likewise.
16419 (movdi_const_16bit+1): Don't sign-extend LOW.
16420 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16422 (*double_shori): Fix the split condition. Use GEN_INT instead
16423 of get_int_mode calls. Mask lower 16-bit of the argument of
16425 (sym2GOTPLT): Remove.
16426 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16428 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16429 instead of EXTRA_CONSTRAINT_C16.
16431 2006-01-07 Ian Lance Taylor <ian@airs.com>
16432 David Edelsohn <edelsohn@gnu.org>
16434 PR rtl-optimization/25662
16435 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16436 for constant operands instead of simplify_gen_binary.
16437 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16438 after trying simplify_binary_operation
16440 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16442 * tree.c (iterative_hash_expr): Hash decls based on UID.
16444 2006-01-06 Eric Christopher <echristo@apple.com>
16446 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16447 (TARGET_UNWIND_EMIT): Fix spelling.
16448 * target.h (gcc_target): Add except_table_label.
16449 * except.c (output_function_exception_table): Use.
16450 * varasm.c (default_emit_except_table_label): New.
16451 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16453 (asm_out): Add here.
16454 * output.h (default_emit_except_table_label): Prototype.
16455 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16456 * config/darwin.c (darwin_emit_except_table_label): Define.
16457 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16459 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16461 PR tree-optimization/18527
16462 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16463 number_of_iterations_special, number_of_iterations_exit):
16464 Move base and step of an iv to a single structure. Add
16465 no_overflow flag, and use it in # of iterations analysis.
16466 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16467 folded_casts argument.
16468 (simple_iv): Pass base and step in a structure. Set no_overflow
16470 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16471 Evaluate expensiveness of computing # of iterations instead of
16472 the final expression.
16473 * tree-scalar-evolution.h (affine_iv): New structure.
16474 (simple_iv): Declaration changed.
16475 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16476 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16477 find_givs_in_stmt): Changed due to simple_iv change.
16479 2006-01-06 Jeff Law <law@redhat.com>
16482 * tree-cfg.c (bsi_replace): Rename final argument from
16483 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16484 change (stmt -> orig_stmt).
16485 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16486 (bsi_remove): Add new argument. Remove EH information
16488 (verify_eh_throw_table_statements): New function.
16489 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16491 * tree-optimize.c (execute_free_cfg_annotations): Verify
16492 the EH throw statement table after removing annotations.
16493 * except.h (verify_eh_throw_table_statements): Prototype.
16494 * tree-flow.h (bsi_remove): Update prototype.
16495 * tree-vrp.c (remove_range_assertions): Add new argument to
16497 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16498 * tree-complex.c (expand_complex_div_wide): Likewise.
16499 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16500 * tree-tailcall.c (eliminate_tailcall): Likewise.
16501 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16502 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16503 * tree-nrv.c (tree_nrv): Likewise.
16504 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16505 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16506 (combine_blocks): Likewise.
16507 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16508 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16509 (cleanup_control_flow): Likewise.
16510 (remove_forwarder_block): Likewise.
16511 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16512 * tree-sra.c (sra_replace): Likewise.
16513 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16514 (forward_propagate_single_use_vars): Likewise.
16515 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16516 * tree-inline.c (expand_call_inline): Likewise.
16517 * tree-vect-transform.c (vect_transform_loop): Likewise.
16518 * tree-outof-ssa.c (rewrite_trees): Likewise.
16519 * tree-cfg.c (make_goto_expr_edges): Likewise.
16520 (cleanup_dead_labels): Likewise.
16521 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16522 (bsi_move_before, bsi_move_after): Likewise.
16523 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16524 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16526 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16529 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16531 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16532 on non gimple variables. Also add checks at the top for decls and
16534 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16536 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16537 and IMAGPART_EXPR for creating MUST_DEFs.
16538 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16539 and NAME_MEMORY_TAG separately from the DECLs.
16541 2006-01-06 Richard Guenther <rguenther@suse.de>
16543 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16544 annotation, if necessary.
16545 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16546 redundant calls to update_stmt.
16547 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16550 2006-01-05 Richard Henderson <rth@redhat.com>
16552 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16554 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16556 * c-typeck.c: Update copyright date.
16558 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16560 * c-typeck.c (build_c_cast): Always warn when casting
16561 from a pointer to an integer of different size, even if
16562 the node was constant.
16564 2006-01-05 Richard Guenther <rguenther@suse.de>
16566 PR tree-optimization/22555
16567 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16568 if one structure field is an array.
16569 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16570 operands even if we found a subvar, but ignore VOPs in this
16572 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16574 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16576 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16578 PR middle-end/24998
16579 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16581 2006-01-05 Richard Guenther <rguenther@suse.de>
16582 Diego Novillo <dnovillo@redhat.com>
16584 * tree-pass.h (TODO_remove_unused_locals): Define.
16585 * gimple-low.c (expand_var_p, remove_useless_vars,
16586 pass_remove_useless_vars): Remove. Update all users.
16587 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16588 (remove_unused_locals): New function.
16589 * tree-flow.h (remove_unused_locals): Declare.
16590 * passes.c (execute_todo): Call remove_unused_locals if
16591 TODO_remove_unused_locals is set.
16592 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16593 * tree-ssa-dce.c (pass_dce): Likewise.
16594 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16596 2006-01-05 Richard Guenther <rguenther@suse.de>
16598 * tree-flow.h (struct fieldoff): Decompose field to
16599 type, size and decl.
16600 * tree-ssa-alias.c (create_sft): Take type as parameter.
16601 (create_overlap_variables_for): Store type, size and decl
16602 in the fieldoff structure.
16603 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16604 of struct fieldoff.
16605 (push_fields_onto_fieldstack): Likewise.
16606 (create_variable_info_for): Likewise. Use offset for the
16607 SFT name if the decl is not available.
16609 2006-01-04 Paul Brook <paul@codesourcery.com>
16611 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16613 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16615 * lambda-code.c (can_put_in_inner_loop): Relax
16617 (can_put_after_inner_loop): New function.
16618 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16619 (perfect_nestify): Change to make copies and modify uses.
16621 2006-01-04 Richard Henderson <rth@redhat.com>
16623 Merge from gomp branch:
16624 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16625 via integer constant.
16626 (pragma_lex): Remove.
16627 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16628 rather than parsing it.
16629 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16630 handle_pragma_extern_prefix): Add %< %> quotes.
16631 (registered_pragmas): New.
16632 (c_register_pragma_1): New.
16633 (c_register_pragma): Use it.
16634 (c_register_pragma_with_expansion): Likewise.
16635 (c_invoke_pragma_handler): New.
16636 (init_pragma): Use cpp_register_deferred_pragma directly for
16638 * c-pragma.h (enum pragma_kind): New.
16639 (pragma_handler): New.
16640 (c_invoke_pragma_handler): Declare.
16641 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16643 * c-common.h (c_common_pch_pragma): Update decl.
16644 * Makefile.in (c-parser.o): Update dependencies.
16645 (GTFILES): Add c-pragma.h.
16646 * c-parser.c (struct c_token): Add pragma_kind.
16647 (struct c_parser): Add in_pragma.
16648 (c_lex_one_token): Always initialize keyword and pragma_kind.
16649 Extract data for CPP_PRAGMA.
16650 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16651 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16652 Don't allow CPP_PRAGMA_EOL if in_pragma.
16653 (c_parser_consume_pragma): New.
16654 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16655 (c_parser_skip_to_end_of_parameter): Likewise.
16656 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16657 (c_parser_skip_to_pragma_eol): New.
16658 (c_parser_external_declaration): Handle CPP_PRAGMA.
16659 (c_parser_compound_statement_nostart): Likewise.
16660 (c_parser_statement_after_labels): Likewise.
16661 (c_parser_pragma): New.
16662 (pragma_lex): Likewise.
16663 (c_parser_pragma_pch_preprocess): New.
16664 (c_parser_new): Merge into ...
16665 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16667 2006-01-04 Jeff Law <law@redhat.com>
16670 * tree-cfg.c (bsi_replace): Remove the original statement
16671 from the EH throw statement table.
16673 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16675 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16676 make the prototype extern "C" and add throw ().
16679 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16680 and pos non-negative and pos + len <= 32.
16681 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16682 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16683 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16686 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16687 as well as sizes not multiple of component size.
16690 * function.c (instantiate_expr): New function.
16691 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16692 walk its DECL_VALUE_EXPR with instantiate_expr.
16694 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16695 DW_OP_deref{,_size} if address isn't going to be added.
16697 2006-01-04 Ben Elliston <bje@au.ibm.com>
16699 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16700 * config/fp-bit.c: Likewise.
16702 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16704 * dominance.c: Add comment about why we use DFS numbering
16707 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16708 Richard Henderson <rth@redhat.com>
16710 Merge from gomp-branch:
16711 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16712 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16714 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16716 PR rtl-optimization/25578
16717 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16718 pass a parameter to simplify_shift_const if changing ASHIFTRT
16721 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16723 * builtins.c (get_builtin_sync_mem): New function.
16724 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16725 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16726 Call get_builtin_sync_mem to generate mem rtx.
16728 2006-01-03 Richard Guenther <rguenther@suse.de>
16731 * stmt.c (add_case_node): Make sure to clear overflow flags
16734 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16736 Merge from gomp-branch.
16737 * config/sparc/sync.md: New file.
16738 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16739 UNSPECV_LDSTUB): New constants.
16740 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16741 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16742 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16745 2006-01-03 Roger Sayle <roger@eyesopen.com>
16747 * combine.c (reg_subword_p): New predicate to test whether the
16748 destination of a set refers to a subword/piece of a register.
16749 (try_combine): Generalize the code to merge the setting of a
16750 pseudo to a constant followed by a set of a subword of that
16751 register to a constant.
16753 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16755 * basic-block.h (control_flow_graph): Change the type of
16756 x_label_to_block_map to VEC(basic_block,gc) *.
16757 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16758 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16760 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16761 VEC(basic_block,heap) *.
16762 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16763 ssa_prop_fini): Adjust the uses of cfg_blocks.
16765 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16767 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16769 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16770 hashing trees instead of a pointer hash.
16771 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16772 compare for MEM_EXPR.
16774 PR rtl-optimization/25130
16775 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16776 when comparing MEMs for GCSE
16778 2006-01-03 Ben Elliston <bje@au.ibm.com>
16780 * targhooks.h (default_decimal_float_supported_p): Declare.
16781 * targhooks.c (default_decimal_float_supported_p): Define.
16782 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16783 `default_decimal_float_supported_p'.
16784 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16786 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16788 * combine.c (apply_distributive_law <SUBREG>): Check
16789 TRULY_NOOP_TRUNCATION.
16791 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16793 * dwarf2out.c (have_switched_text_section): Delete.
16794 (have_multiple_function_sections): New.
16795 (have_location_lists): Make 'bool'.
16796 (add_AT_loc_list): Use 'true' not '1'.
16797 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16798 (output_loc_list): Use have_multiple_function_sections.
16799 (output_ranges): Likewise.
16800 (dwarf2out_begin_function): Set have_multiple_function_sections if
16802 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16803 Check function_section rather than DECL_SECTION_NAME.
16804 (dwarf2out_finish): Use have_multiple_function_sections.
16805 Don't clear have_location_lists.
16807 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16808 Jan Hubicka <jh@suse.cz>
16810 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16811 case of conditional jump jumping to the next instruction.
16812 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16813 cases of conditional jump jumping to the next instruction.
16815 2006-01-02 Jan Hubicka <jh@suse.cz>
16817 * i386.c (*_cost): Add COSTS_N_INSNS.
16818 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16820 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16823 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16825 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16827 * config/arm/arm.c (all_fpus): Fix comment typo.
16828 * config/darwin.c: Likewise.
16829 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16830 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16831 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16833 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16835 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16836 (rs6000_split_compare_and_swapqhi): New.
16837 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16838 (sync_compare_and_swapqhi_internal): New.
16839 * config/rs6000/rs6000-protos.h: Declare.