1 2006-10-29 Richard Guenther <rguenther@suse.de>
3 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
7 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
8 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
9 (lfloor_optab, lceil_optab): Adjust defines.
10 * builtins.c (expand_builtin_int_roundingfn): Adjust for
11 lfloor and lceil optabs now being conversion optabs.
12 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
13 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
14 New static helper function.
15 (ix86_expand_lfloorceil): New function to expand lfloor and
17 * config/i386/i386.md (lfloor<mode>2): Split into ...
18 (lfloorxf<mode>2): ... x87 variant
19 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
20 using ix86_expand_lfloorceil.
21 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
23 * doc/md.texi (lfloorMN, lceilMN): Document.
25 2006-10-29 Richard Sandiford <richard@codesourcery.com>
27 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
28 -mno-shared assembler option on mips targets.
29 * configure, config.in: Regenerate.
30 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
31 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
32 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
34 2006-10-29 Richard Sandiford <richard@codesourcery.com>
36 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
37 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
39 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
41 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
42 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
45 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
48 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
49 (fold_builtin_pow): Evaluate constant arguments at compile-time
51 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
52 (do_mpfr_ckconv): New helper function.
53 (do_mpfr_arg1): Use do_mpfr_ckconv.
56 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
59 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
60 (-fdump-rtl-sched): Rename to ..
61 (-fdump-rtl-sched1): here. Also fix file extension number.
63 2006-10-28 Richard Guenther <rguenther@suse.de>
65 * fold-const.c (maybe_canonicalize_comparison): Fix code
68 2006-10-28 Uros Bizjak <uros@kss-loka.si>
70 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
71 (NON_QI_REG_P): Use IN_RANGE.
72 (REX_INT_REGNO_P): Use IN_RANGE.
73 (FP_REGNO_P): Use IN_RANGE.
74 (SSE_REGNO_P): Use IN_RANGE.
75 (REX_SSE_REGNO_P): Use IN_RANGE.
76 (MMX_REGNO_P): Use IN_RANGE.
77 (STACK_REGNO_P): New macro.
78 (STACK_REG_P): Use STACK_REGNO_P.
79 (NON_STACK_REG_P): Use STACK_REGNO_P.
80 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
81 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
82 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
83 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
84 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
86 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
88 * except.h (output_function_exception_table): Add 'const char*' param.
89 * except.c (switch_to_exception_section): Add 'const char*' param.
90 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
91 and flag_function_sections is set, use a function-specific section.
92 (output_function_exception_table): Add 'const char*' param.
93 Adjust call to switch_to_exception_section.
94 * final.c (rest_of_handle_final): Adjust calls to
95 output_function_exception_table.
96 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
97 * config.in: Regenerate.
98 * configure: Likewise.
100 2006-10-28 Richard Guenther <rguenther@suse.de>
103 * fold-const.c (maybe_canonicalize_comparison_1): Helper
104 for maybe_canonicalize_comparison.
105 (maybe_canonicalize_comparison): New function for canonicalizing
107 (fold_comparison): Call it to canonicalize comparisons with
110 2006-10-28 Richard Guenther <rguenther@suse.de>
113 * builtins.c (expand_builtin_int_roundingfn_2): Expand
114 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
115 (expand_builtin): Adjust likewise.
116 * genopinit.c (optabs[]): Add lround optab.
117 * optabs.c (init_optabs): Initialize lround_optab.
118 * optabs.h (enum convert_optab_index): Add COI_lround.
119 (lround_optab): Define.
120 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
121 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
123 (ix86_expand_lround): New function.
124 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
126 * doc/md.texi (lroundMN2): Document.
128 2006-10-28 Uros Bizjak <uros@kss-loka.si>
131 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
132 argument to HOST_WIDE_INT. Update function prototype.
133 (round_frame_size): Change return type to HOST_WIDE_INT. Change
134 "size" argument to HOST_WIDE_INT. Update function prototype.
136 2006-10-28 Uros Bizjak <uros@kss-loka.si>
138 * config/i386/i386.c (output_387_ffreep): Create output from a
139 template string for !HAVE_AS_IX86_FFREEP.
141 2006-10-27 Eric Christopher <echristo@apple.com>
143 * config/darwin.c: Fix formatting and grammar.
145 2006-10-27 Jan Hubicka <jh@suse.cz>
147 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
148 to be thrown away soon when IGNORE is set.
149 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
150 indicating when return value shall not be computed.
151 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
153 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
155 * config/i386/i386.h (TARGET_GEODE):
156 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
157 (TARGET_CPU_DEFAULT_geode): New macro.
158 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
159 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
160 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
161 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
162 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
164 (TARGET_CPU_DEFAULT_NAMES): Add geode.
165 (processor_type): Add PROCESSOR_GEODE.
167 * config/i386/i386.md: Include geode.md.
170 * config/i386/i386.c (geode_cost): New initialized global
172 (m_GEODE, m_K6_GEODE): New macros.
173 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
174 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
175 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
176 x86_schedule): Use m_K6_GEODE instead of m_K6.
177 (x86_movx, x86_cmove): Set up m_GEODE.
178 (x86_integer_DFmode_moves): Clear m_GEODE.
179 (processor_target_table): Add entry for geode.
180 (processor_alias_table): Ditto.
182 * config/i386/geode.md: New file.
184 * doc/invoke.texi: Add entry about geode processor.
186 2006-10-27 Mike Stump <mrs@apple.com>
188 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
189 __DYNAMIC__ from here back to ...
190 * config/darwin.h (CPP_SPEC): ... here.
192 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
193 Nathan Sidwell <nathan@codesourcery.com>
195 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
196 when choosing the minimum heapsize.
198 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
200 * gcc/unwind-dw2.h: Move cfa-related variables into
201 struct frame_state_reg_info to ensure that the CFA is properly
202 handled when executing DW_CFA_{remember,restore}_state.
203 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
204 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
205 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
206 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
207 gcc/config/rs6000/linux-unwind.h,
208 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
209 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
210 Modify to use new cfa_* fields.
212 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
214 * config/s390/s390.c (s390_init_frame_layout): Check positive
217 2006-10-26 Ben Elliston <bje@au.ibm.com>
219 * gimplify.c (get_name): Remove extraneous break.
220 (gimplify_omp_for): Initialise ret with GS_OK.
222 2006-10-25 Steve Ellcey <sje@cup.hp.com>
224 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
225 Add unix98.o to link line.
227 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
230 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
231 Calculate compile-time constants using MPFR.
232 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
233 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
235 2006-10-25 Bob Wilson <bob.wilson@acm.org>
237 * config/xtensa/lib2funcs.S: Use C-style comments.
239 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
241 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
242 (file_table_relative_p): Likewise.
243 (dwarf2out_finish): Likewise.
244 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
246 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
248 * tree-ssa-structalias.c (intra_create_variable_infos):
249 Don't recreate nonlocal_all if it already exists.
251 2006-10-25 Richard Guenther <rguenther@suse.de>
254 * optabs.h (enum optab_index): Remove OTI_lrint.
255 (enum convert_optab_index): Add COI_lrint.
256 (lrint_optab): Adjust.
257 (expand_sfix_optab): Declare.
258 * optabs.c (expand_sfix_optab): New function.
259 (init_optabs): Init lrint_optab as conversion optab.
260 * genopinit.c (lrint_optab): Change to a conversion optab.
261 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
262 expansion via conversion optab.
263 * config/i386/i386.md (*fistdi2_1): Remove
264 flag_unsafe_math_optimizations guard.
265 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
266 fist<mode>2_with_temp): Likewise.
267 (lrint<mode>2): Split into...
268 (lrintxf<mode>2): ... x87 part
269 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
270 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
271 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
272 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
273 * doc/md.texi (lrintMN2): Document.
275 2006-10-25 Uros Bizjak <uros@kss-loka.si>
278 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
279 Use inc and dec instructions for TARGET_USE_INCDEC.
280 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
281 ("sync_double_compare_and_swap<mode>"): Likewise.
282 ("*sync_double_compare_and_swapdi_pic"): Likewise.
283 ("*sync_compare_and_swap_cc<mode>"): Likewise.
284 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
285 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
286 ("sync_old_add<mode>"): Likewise.
287 ("sync_lock_test_and_set<mode>"): Likewise.
288 ("sync_lock_test_and_set<mode>"): Likewise.
289 ("sync_add<mode>"): Likewise.
290 ("sync_sub<mode>"): Likewise.
291 ("sync_ior<mode>"): Likewise.
292 ("sync_and<mode>"): Likewise.
293 ("sync_xor<mode>"): Likewise.
295 2006-10-25 Uros Bizjak <uros@kss-loka.si>
297 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
298 (remainder_optab): Define corresponding macro.
299 (drem_optab): Remove.
300 * optabs.c (init_optabs): Initialize remainder_optab. Remove
301 drem_optab initialization.
302 * genopinit.c (optabs): Implement remainder_optab using
303 remainder?f3 patterns. Remove drem_optab.
304 * builtins.c (expand_builtin_mathfn_2): Handle
305 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
306 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
307 expand_builtin_mathfn_2.
309 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
310 depend on flag_unsafe_math_optimizations.
312 * config/i386/i386.md ("remaindersf3", "remainderdf3")
313 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
314 Do not depend on flag_unsafe_math_optimizations. Use
315 truncxf?f expander instead of truncxf?f_i387_noop.
317 ("fpremxf4", "fprem1xf4"): Do not depend on
318 flag_unsafe_math_optimizations.
319 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
320 flag_unsafe_math_optimizations. Use truncxf?f expander
321 instead of truncxf?f_i387_noop.
323 * doc/md.texi (fmod, remainder): Document standard named pattern.
325 2006-10-24 Richard Sandiford <richard@codesourcery.com>
326 David Daney <ddaney@avtrex.com>
329 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
331 2006-10-25 Ben Elliston <bje@au.ibm.com>
333 * doc/extend.texi (Variable Attributes): Typo fix.
335 2006-10-24 Uros Bizjak <uros@kss-loka.si>
337 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
338 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
339 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
340 (FRAME_POINTER_REGNUM): Update register number to 21.
341 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
342 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
344 * config/i386/i386.c (regclass_map): Add fpcr entry.
345 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
347 (print_reg): Assert REGNO (x) != FPCR_REG.
349 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
350 (DIRFLAG_REG): Renumber.
351 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
352 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
353 (sse_prologue_save, *sse_prologue_save_insn): Renumber
354 hardcoded SSE register numbers.
356 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
357 hardcoded MMX register numbers.
359 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
362 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
363 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
365 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
366 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
367 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
368 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
370 2006-10-24 Richard Guenther <rguenther@suse.de>
373 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
374 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
375 for deciding optimizations in consistency with fold-const.c
376 (fold_builtin_unordered_cmp): Likewise.
378 2006-10-24 Richard Guenther <rguenther@suse.de>
380 * builtins.c (fold_builtin_floor): Fold floor (x) where
381 x is nonnegative to trunc (x).
382 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
383 nonnegative to FIX_TRUNC_EXPR.
385 2006-10-24 Richard Guenther <rguenther@suse.de>
387 PR tree-optimization/29567
388 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
389 for TRUTH_NOT_EXPR. Clarify comments.
391 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
394 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
395 at compile-time using MPFR. Change parameter VALUE to FUNC,
397 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
398 for overflow and underflow at all times and avoid folding in
401 2006-10-24 Ben Elliston <bje@au.ibm.com>
403 * reload1.c: Formatting fixes.
405 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
407 PR tree-optimization/14784
408 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
409 * tree-ssa-structalias.c (get_constraint_for,
410 intra_create_variable_infos): Set is_heapvar.
411 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
412 non-heapvar pointer variables specially.
414 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
417 * builtins.c (fold_builtin_sin, fold_builtin_cos,
418 fold_builtin_tan): Fold all constant arguments. Take a "type"
419 argument as necessary.
421 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
423 2006-10-23 Bob Wilson <bob.wilson@acm.org>
425 * config/xtensa/lib1funcs.asm: Use C-style comments.
427 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
429 * tree.c (local_define_builtin): Replace calls to
430 lang_hooks.builtin_function with add_builtin_function.
431 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
433 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
435 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
436 common code to add_builtin_function.
437 * langhooks.c (add_builtin_function): New function.
438 (lhd_builtin_function): New function.
439 * langhooks.h (struct lang_hooks): Change the signature of
441 (add_builtin_function): New function.
442 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
443 calls to lang_hooks.builtin_function with add_builtin_function.
444 * c-common.c (decl_builtin_1): Replace calls to
445 lang_hooks.builtin_function with add_builtin_function.
446 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
447 lang_hooks.builtin_function with add_builtin_function.
448 * config/frv/frv.c (def_builtin): Replace calls to
449 lang_hooks.builtin_function with add_builtin_function.
450 * config/s390/s390.c (s390_init_builtins): Replace calls to
451 lang_hooks.builtin_function with add_builtin_function.
452 * config/sparc/sparc.c (def_builtin): Replace calls to
453 lang_hooks.builtin_function with add_builtin_function.
454 * config/i386/i386.c (def_builtin): Replace calls to
455 lang_hooks.builtin_function with add_builtin_function.
456 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
457 lang_hooks.builtin_function with add_builtin_function.
458 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
459 lang_hooks.builtin_function with add_builtin_function.
460 * config/stormy16/stormy16.c (xstormy16_init_builtins):
461 Replace calls to lang_hooks.builtin_function with
462 add_builtin_function.
463 * config/iq2000/iq2000.c (def_builtin):
464 Replace calls to lang_hooks.builtin_function with
465 add_builtin_function.
466 * config/ia64/ia64.c (def_builtin): Replace calls to
467 lang_hooks.builtin_function with add_builtin_function.
468 * config/rs6000/rs6000.c (def_builtin): Replace calls to
469 lang_hooks.builtin_function with add_builtin_function.
470 (altivec_init_builtins): Replace calls to
471 lang_hooks.builtin_function with add_builtin_function.
472 * config/arm/arm.c (def_mbuiltin): Replace calls to
473 lang_hooks.builtin_function with add_builtin_function.
474 (arm_init_tls_builtins): Replace calls to
475 lang_hooks.builtin_function with add_builtin_function.
476 * config/mips/mips.c (mips_init_builtins): Replace calls to
477 lang_hooks.builtin_function with add_builtin_function.
478 * config/bfin/bfin.c (def_builtin): Replace calls to
479 lang_hooks.builtin_function with add_builtin_function.
480 * langhooks-def.h (lhd_builtin_function): New function.
481 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
483 2006-10-23 Jakub Jelinek <jakub@redhat.com>
485 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
486 BUILT_IN_STRNCAT_CHK.
488 2006-10-23 Jan Hubicka <jh@suse.cz>
490 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
491 don't do conversion from memmove to memcpy here.
492 (expand_builtin_bcopy, expand_builtin): Update call of
493 expand_builtin_memmove.
494 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
496 2006-10-23 Paul Brook <paul@codesourcery.com>
498 * stor-layout.c (start_record_layout): maximum_field_alignment
499 overrides STRUCTURE_SIZE_BOUNDARY.
501 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
503 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
504 nonlocal function symbols if flag_pic.
506 2006-10-23 Richard Guenther <rguenther@suse.de>
510 * builtins.c (fold_binary): Remove checks for flag_wrapv
511 and flag_trapv where negate_expr_p covers these cases.
513 2006-10-23 Richard Guenther <rguenther@suse.de>
516 * fold-const.c (fold_plusminus_mult_expr): Check exact power
517 of two on the absolute value.
518 (fold_binary): Fold x * -C to -x * C if x is easily negatable
519 and negating -C does not overflow.
521 2006-10-23 Richard Guenther <rguenther@suse.de>
524 * convert.c (convert_to_real): Fold (float)-x to -(float)x
525 only if not flag_rounding_math.
527 2006-10-22 Richard Sandiford <richard@codesourcery.com>
528 Kaz Kojima <kkojima@gcc.gnu.org>
531 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
532 SImode memory reference for the source of a movua.
533 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
534 (movua): Use an unspec instead of sign_extract. Expect the source
535 to have mode BLKmode.
536 (extv, insv): Use a BLKmode rather than SImode memory reference
537 for the source of a movua.
539 2006-10-22 Jeff Law <law@redhat.com>
540 Richard Guenther <rguenther@suse.de>
542 PR tree-optimization/15911
543 * tree-vrp.c (extract_code_and_val_from_cond): New function.
544 (register_edge_assert_for_1): Likewise.
545 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
546 (find_conditional_asserts): Adjust for new function signature.
547 (find_assert_locations): Likewise.
549 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
551 * config/i386/tmmintrin.h: Remove the duplicated content.
553 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
555 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
556 (x86_64-*-*): Likewise.
558 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
559 (override_options): Check SSSE3.
560 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
561 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
562 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
563 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
564 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
565 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
566 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
567 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
568 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
569 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
570 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
571 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
572 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
573 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
574 IX86_BUILTIN_PABSD128.
575 (bdesc_2arg): Add SSSE3.
576 (bdesc_1arg): Likewise.
577 (ix86_init_mmx_sse_builtins): Support SSSE3.
578 (ix86_expand_builtin): Likewise.
579 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
581 * config/i386/i386.md (UNSPEC_PSHUFB): New.
582 (UNSPEC_PSIGN): Likewise.
583 (UNSPEC_PALIGNR): Likewise.
584 Include mmx.md before sse.md.
586 * config/i386/i386.opt: Add -mssse3.
588 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
589 (ssse3_phaddwv4hi3): Likewise.
590 (ssse3_phadddv4si3): Likewise.
591 (ssse3_phadddv2si3): Likewise.
592 (ssse3_phaddswv8hi3): Likewise.
593 (ssse3_phaddswv4hi3): Likewise.
594 (ssse3_phsubwv8hi3): Likewise.
595 (ssse3_phsubwv4hi3): Likewise.
596 (ssse3_phsubdv4si3): Likewise.
597 (ssse3_phsubdv2si3): Likewise.
598 (ssse3_phsubswv8hi3): Likewise.
599 (ssse3_phsubswv4hi3): Likewise.
600 (ssse3_pmaddubswv8hi3): Likewise.
601 (ssse3_pmaddubswv4hi3): Likewise.
602 (ssse3_pmulhrswv8hi3): Likewise.
603 (ssse3_pmulhrswv4hi3): Likewise.
604 (ssse3_pshufbv16qi3): Likewise.
605 (ssse3_pshufbv8qi3): Likewise.
606 (ssse3_psign<mode>3): Likewise.
607 (ssse3_psign<mode>3): Likewise.
608 (ssse3_palignrti): Likewise.
609 (ssse3_palignrdi): Likewise.
610 (abs<mode>2): Likewise.
611 (abs<mode>2): Likewise.
613 * config/i386/tmmintrin.h: New file.
615 * doc/extend.texi: Document SSSE3 built-in functions.
617 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
619 2006-10-22 Ira Rosen <irar@il.ibm.com>
621 * tree-vect-transform.c (vectorizable_load): Use the type of the
622 return value of the mask_for_load builtin to create realign_load
625 2006-10-22 Richard Sandiford <richard@codesourcery.com>
627 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
630 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
632 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
633 (UNSPEC_LDDQU): This.
634 * config/i386/sse.md (sse3_lddqu): Updated.
636 2006-10-21 Richard Guenther <rguenther@suse.de>
638 * builtins.c (expand_builtin_int_roundingfn_2): New function.
639 (expand_builtin): Use it to expand lrint instead of
640 expand_builtin_mathfn.
642 2006-10-21 Uros Bizjak <uros@kss-loka.si>
645 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
646 flag_unsafe_math_optimizations is set.
648 2006-10-21 Uros Bizjak <uros@kss-loka.si>
651 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
652 patterns to use memory input operand in x87->mem->XMM
653 reload sequences. Skip transformation for TARGET_K8.
655 2006-10-21 Uros Bizjak <uros@kss-loka.si>
657 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
658 force operand1 to register if both operands are memory operands.
659 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
660 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
661 if both operands are memory operands.
662 (truncdfsf2): Do not force operand1 to register if both operands
665 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
667 * Makefile.in (LIBS): Add $(GMPLIBS).
668 * doc/install.texi: Update GMP and MPFR requirements.
669 * doc/sourcebuild.texi (need_gmp): Delete.
671 2006-10-21 Richard Guenther <rguenther@suse.de>
673 PR tree-optimization/3511
674 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
675 got new invariant arguments during PHI translation.
677 2006-10-21 Richard Guenther <rguenther@suse.de>
680 * fold-const.c (fold_comparison): Fold signed comparisons
681 of the form X +- C1 CMP Y +- C2.
683 2006-10-21 Richard Guenther <rguenther@suse.de>
686 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
687 if flag_unsafe_math_optimizations is specified. We have
688 flag_finite_math_only for that.
689 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
690 or flag_unsafe_math_optimizations.
692 2006-10-21 Richard Guenther <rguenther@suse.de>
694 * builtins.c (fold_builtin_classify): Fix typo.
696 2006-10-21 Richard Guenther <rguenther@suse.de>
699 * simplify-rtx.c (simplify_const_relational_operation):
700 Do not constant-fold ORDERED and UNORDERED for
701 flag_unsafe_math_optimizations but only we do not need to
702 honor NaNs for the given mode.
704 2006-10-21 Richard Guenther <rguenther@suse.de>
707 * config/i386/i386.c (classify_argument): Remove redundant
708 walking of the BINFOs.
709 (contains_128bit_aligned_vector_p): Likewise.
711 2006-10-20 Mark Mitchell <mark@codesourcery.com>
713 * BASE-VER: Set to 4.3.0.
715 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
717 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
718 (tree_decl_with_vis): Remove artificial_pta_var flag.
719 * tree-flow.h (referenced_var_check_and_insert): Expose.
720 (nonlocal_all): New prototype.
721 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
722 (nonlocal_all): Make global.
723 (nonlocal_lookup): Remove.
724 (nonlocal_insert): Ditto.
725 (create_nonlocal_var): Do not call nonlocal_insert.
726 (get_nonlocal_id_for_type): Remove.
727 (find_global_initializers): Mark new vars we find for renaming.
728 (intra_create_variable_infos): Only create one nonlocal.
729 (expand_nonlocal_solutions): Remove.
730 (compute_points_to_sets): Don't call it.
731 (ipa_pta_execute): Ditto.
732 (init_alias_heapvars): Don't create nonlocal_for_type.
733 (delete_alias_heapvars): Don't remove it.
734 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
737 2006-10-19 Brooks Moses <bmoses@stanford.edu>
739 * doc/install.texi (Downloading GCC): Clarify mention of
740 Fortran in the "full distribution" description.
742 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
744 Fix PR tree-optimization/28778
745 Fix PR tree-optimization/29156
746 Fix PR tree-optimization/29415
747 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
748 (tree_decl_with_vis): Add artificial_pta_var flag.
749 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
751 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
752 (nonlocal_all): Ditto.
753 (struct variable_info): Add directly_dereferenced member.
754 (var_escaped_vars): New variable.
755 (escaped_vars_tree): Ditto.
756 (escaped_vars_id): Ditto.
757 (nonlocal_vars_id): Ditto.
758 (new_var_info): Set directly_dereferenced.
759 (graph_size): New variable
760 (build_constraint_graph): Use graph_size.
761 (solve_graph): Don't process constraints that cannot change the
762 solution, don't try to propagate an empty solution to our
764 (process_constraint): Set directly_dereferenced.
765 (could_have_pointers): New function.
766 (get_constraint_for_component_ref): Don't process STRING_CST.
767 (nonlocal_lookup): New function.
768 (nonlocal_insert): Ditto.
769 (create_nonlocal_var): Ditto.
770 (get_nonlocal_id_for_type): Ditto.
771 (get_constraint_for): Allow results vector to be empty in the case
773 Handle results of calls properly.
774 (update_alias_info): Update alias info stats on number and type of
776 (find_func_aliases): Use could_have_pointers.
777 (make_constraint_from_escaped): Renamed from
778 make_constraint_to_anything, and changed to make constraints from
780 (make_constraint_to_escaped): New function.
781 (find_global_initializers): Ditto.
782 (create_variable_info_for): Make constraint from escaped to any
783 global variable, and from any global variable to the set of
785 (intra_create_variable_infos): Deal with escaped instead of
786 pointing to anything.
787 (set_uids_in_ptset): Do type pruning on directly dereferenced
789 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
790 (init_base_vars): Fix comment, and initialize escaped_vars.
791 (need_to_solve): Removed.
792 (find_escape_constraints): New function.
793 (expand_nonlocal_solutions): Ditto.
794 (compute_points_to_sets): Call find_escape_constraints and
795 expand_nonlocal_solutions.
796 (delete_points_to_sets): Don't fall off the end of the graph.
797 (init_alias_heapvars): Initialize nonlocal_for_type and
799 (delete_alias_heapvars): Free nonlocal_for_type and null out
802 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
804 * fold-const.c (add_double): Rename to add_double_with_sign.
805 Add 'unsigned_p' parameter and take it into account for the overflow.
806 (mul_double): Rename to mul_double_with_sign.
807 Add 'unsigned_p' parameter and take it into account for the overflow.
808 (fold_div_compare): Call add_double_with_sign instead of add_double
809 and mul_double_with_sign instead of mul_double, passing them the
810 unsignedness of the type.
811 * tree.h (add_double): Macroize.
812 (add_double_with_sign): New prototype.
813 (mul_double): Macroize.
814 (mul_double_with_sign): New prototype.
816 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
818 * config/score/crti.asm: New file.
819 * config/score/crtn.asm: New file.
820 * config/score/elf.h: New file.
821 * config/score/mac.md: New file.
822 * config/score/misc.md: New file.
823 * config/score/mul-div.S: New file.
824 * config/score/predicates.md: New file.
825 * config/score/score7.md: New file.
826 * config/score/score.c: New file.
827 * config/score/score-conv.h: New file.
828 * config/score/score.h: New file.
829 * config/score/score.md: New file.
830 * config/score/score-mdaux.c: New file.
831 * config/score/score-mdaux.h: New file.
832 * config/score/score-modes.def: New file.
833 * config/score/score.opt: New file.
834 * config/score/score-protos.h: New file.
835 * config/score/score-version.h: New file.
836 * config/score/t-score-elf: New file.
837 * config.gcc: Add score*-*-* configurations(Update before).
838 * doc/invoke.texi (Score Options): New section.
839 * doc/md.texi (Score family): New section to document constraints.
841 2006-10-19 Nick Clifton <nickc@redhat.com>
843 * config/arm/arm.c: Fix spelling typo.
845 2006-10-18 Tom Tromey <tromey@redhat.com>
847 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
849 2006-10-18 Jan Hubicka <jh@suse.cz>
852 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
855 2006-10-18 Marcin Dalecki <martin@dalecki.de>
857 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
858 TSI_SAME_STMT, since that's the desired entity.
860 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
862 * config/s390/contraints.md: New file.
863 * config/s390/s390-protos.h (s390_mem_constraint,
864 s390_O_constraint_str, s390_N_constraint_str,
865 s390_float_const_zero_p): Function prototypes added.
866 * config/s390/s390.c (s390_extra_constraint_str,
867 s390_const_double_ok_for_constraint_p,
868 s390_const_ok_for_constraint_p): Functions removed.
869 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
870 s390_float_const_zero_p): New functions.
871 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
872 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
873 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
874 Macro definitions removed.
875 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
876 s390_extra_constraint_str): Functions removed.
878 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
879 Richard Sandiford <richard@codesourcery.com>
882 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
883 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
885 2006-10-16 Geoffrey Keating <geoffk@apple.com>
887 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
888 (DWARF2_FRAME_REG_OUT): Likewise.
889 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
890 (DWARF2_FRAME_REG_OUT): Likewise.
892 2006-10-17 Paul Brook <paul@codesourcery.com>
894 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
896 2006-10-16 Brooks Moses <bmoses@stanford.edu>
898 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
899 Standardize on "GNU Fortran" as the official name of the Fortran
902 2006-10-16 Mike Stump <mrs@apple.com>
904 * doc/invoke.texi (Darwin Options): Document -mkernel.
905 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
907 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
908 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
909 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
910 (OS_MISSING_ALTIVEC): Add.
911 * config/i386/i386.c (override_options): Add
912 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
913 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
914 -mkernel, -static or -mdynamic-no-pic is given.
915 (C_COMMON_OVERRIDE_OPTIONS): Add.
916 * config/darwin.opt (fapple-kext): Add.
918 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
919 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
921 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
922 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
923 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
924 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
925 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
927 (flag_apple_kext): Add.
928 (TARGET_KEXTABI): Add.
929 * config/darwin.c (darwin_handle_kext_attribute): Add.
930 (DARWIN_VTABLE_P): Add.
931 (darwin_binds_local_p): Add partial support for rebinding vtables
933 (darwin_kextabi_p): Add.
934 (darwin_override_options): Add.
935 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
936 (darwin_kextabi_p): Add.
937 (darwin_override_options): Add.
938 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
939 __DYNAMIC__ and __STATIC__ here.
941 2006-10-16 Brooks Moses <bmoses@stanford.edu>
943 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
944 Added mention of "make pdf" target, and Texinfo requirements for
947 2006-10-16 DJ Delorie <dj@redhat.com>
949 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
950 into the GOT in case we need a subreg of the address.
952 2006-10-16 Richard Guenther <rguenther@suse.de>
955 * doc/extend.texi (X86 Built-in Functions): Fix typos in
956 SSE builtin documentation. Document SSE2 builtins.
958 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
960 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
961 symbol in the output file for non-shared links when -nostdlib or
962 -nodefaultlibs isn't specified.
964 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
965 posix thread support.
967 2006-10-15 Jan Hubicka <jh@suse.cz>
970 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
971 declared always_inline even when not inlining.
973 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
974 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
975 Andrew Pinski <pinskia@gmail.com>
978 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
980 2006-10-15 Jan Hubicka <jh@suse.cz>
981 Richard Guenther <rguenther@suse.de>
984 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
985 process_function_and_variable_attributes on all variables, including
986 those discovered during cgraph construction phase.
988 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
990 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
992 2006-10-14 Uros Bizjak <uros@kss-loka.si>
994 * config/i386/athlon.md (athlon_fist): Add fisttp.
996 2006-10-13 David Edelsohn <edelsohn@gnu.org>
997 Ian Lance Taylor <ian@airs.com>
1000 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1001 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1004 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1006 * config/score/score.c, config/score/score.h: Fix comment
1009 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1012 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1015 2006-10-13 Eric Christopher <echristo@apple.com>
1017 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1019 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1022 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1023 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1024 alignment supported by 32-bit ELF.
1026 2006-10-13 Eric Christopher <echristo@apple.com>
1028 * config/darwin.c (darwin_emit_unwind_label): Strip
1029 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1031 2006-10-13 Richard Guenther <rguenther@suse.de>
1033 PR tree-optimization/29446
1034 * tree-vrp.c (fix_equivalence_set): Remove.
1035 (extract_range_from_assert): Do not call fix_equivalence_set.
1036 (debug_value_range): Print a newline.
1037 (compare_name_with_value): For equivalence sets with
1038 inconsistent value ranges conservatively bail out.
1039 (compare_names): Likewise.
1041 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1043 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1044 and MPFR for gfortran.
1046 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1048 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1049 alignment supported by 32-bit ELF.
1051 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1055 * c-typeck.c (digest_init): Always allow initializing vectors
1056 that have static storage duration with compound literals.
1057 * tree.c (build_type_attribute_qual_variant): New, based on
1058 build_type_attribute_variant.
1059 (build_type_attribute_variant): Rewrite using the former.
1060 (make_vector_type): Use build_type_attribute_qual_variant to build
1061 type variants. Use type_hash_canon on the others.
1063 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1064 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1066 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1068 2006-10-12 Jan Hubicka <jh@suse.cz>
1071 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1072 current_function_decl is set but current_function_scope is not.
1074 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1076 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1077 emit_insn to emit eh_return_internal instruction.
1078 (eh_return_internal): Explicitly set pc.
1080 2006-10-11 Richard Guenther <rguenther@suse.de>
1082 PR tree-optimization/28230
1083 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1084 to the correct place.
1086 2006-10-11 Richard Guenther <rguenther@suse.de>
1089 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1092 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1094 * configure.ac: Added pdf to "Make-hooks"
1095 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1096 targets and *.pdf file patterns in cleanup targets.
1097 * configure: Regenerated.
1099 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1101 * config/avr/predicates.md: New file.
1102 * config/avr/avr.md: Include it.
1103 (REG_SP): New constant.
1104 (peepholes): Use predicates.
1105 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1106 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1107 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1109 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1111 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1114 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1117 * builtins.c (var_decl_component_p): New function.
1118 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1119 single entry optimization to variables and components thereof.
1121 2006-10-10 Richard Guenther <rguenther@suse.de>
1123 PR rtl-optimization/29323
1124 * except.c (set_nothrow_function_flags): For functions
1125 that do not bind local bail out early.
1127 2006-10-10 Ben Elliston <bje@au.ibm.com>
1129 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1132 2006-10-09 Richard Henderson <rth@redhat.com>
1134 Revert emutls patch.
1136 2006-10-09 Richard Guenther <rguenther@suse.de>
1139 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1142 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1145 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1146 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1147 * configure: Regenerate.
1148 * config.in: Regenerate.
1150 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1152 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1154 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1156 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1157 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1158 Remove stray newline.
1160 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1162 * config/mips/mips.c (mips_classify_symbol): Do not return
1163 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1164 (mips_in_small_data_p): Tweak comments.
1166 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1168 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1170 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1172 * gimplify.c, sched-int.h: Fix comment typos.
1174 * sched-int.h: Fix comment typos.
1176 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1178 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1180 * sched-ebb.c (begin_schedule_ready): Use them.
1181 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1182 add_to_speculative_block, create_check_block_twin, speculate_insn,
1183 fix_jump_move, move_block_after_check): Ditto.
1184 * sched-rgn.c (new_ready): Ditto.
1186 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1188 PR rtl-optimization/29128
1189 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1190 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1191 allow interblock movement of speculation checks.
1193 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1196 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1197 casted to integer type.
1198 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1199 if they are significantly more expensive than [reg + index] ones.
1201 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1203 PR tree-optimization/29330
1204 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1205 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1206 on newly allocated ddrs.
1207 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1208 to VEC (loop_p, heap) pointer.
1209 (compute_data_dependences_for_loop): Adjust caller.
1210 (free_dependence_relations): Free DDR_LOOP_NEST.
1212 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1213 free DEPENDENCE_RELATIONS and DATAREFS.
1216 * builtins.c (expand_builtin_sync_operation,
1217 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1218 Use convert_to_mode to handle promoted arguments.
1220 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1222 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1224 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1226 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1228 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1230 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1231 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1232 Use <modeconstraint> instead of "r" as operand 1 constraint.
1234 2006-10-06 Olivier Hainque <hainque@adacore.com>
1236 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1237 Don't recurse on the pointed-to type.
1238 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1239 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1240 types with components of variable size.
1242 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1244 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1246 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1248 PR tree-optimization/29290
1249 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1253 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1254 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1257 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1258 the number of vector elements fill the rest with zeros.
1260 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1262 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1263 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1266 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1268 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1269 unnamed pattern into subsi3. Use correct constraints/predicates.
1270 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1271 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1273 2006-10-05 Ira Rosen <irar@il.ibm.com>
1275 * doc/loop.texi: Add data references analysis description.
1277 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1279 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1281 2006-10-04 Richard Henderson <rth@redhat.com>
1282 Jakub Jelinek <jakub@redhat.com>
1284 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1285 * builtin-types.def (BT_WORD): Make unsigned.
1286 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1287 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1288 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1289 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1290 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1291 * cgraph.c (decide_is_variable_needed): Look at force_output.
1292 Recurse for emulated tls.
1293 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1294 checks redundant with decide_is_variable_needed.
1295 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1296 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1298 * expr.c (emutls_var_address): New.
1299 (expand_expr_real_1): Expand emulated tls.
1300 (expand_expr_addr_expr_1): Likewise.
1301 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1302 * output.h (emutls_finish): Declare.
1303 * toplev.c (compile_file): Call it.
1304 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1305 address before wrapping in CONST.
1306 * varasm.c (emutls_htab, emutls_object_type): New.
1307 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1308 (get_emutls_object_name, get_emutls_object_type): New.
1309 (get_emutls_init_templ_addr, emutls_decl): New.
1310 (emutls_common_1, emutls_finish): New.
1311 (assemble_variable): When emulating tls, swap decls; generate
1312 constructor for the emutls objects.
1313 (do_assemble_alias): When emulating tls, swap decl and target name.
1314 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1316 * emutls.c: New file.
1317 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1318 tls_object for real tls.
1320 2006-10-04 Zack Weinberg <zackw@panix.com>
1322 Fix bug in constraint-check generator, reported by Rask Ingemann
1324 * genpreds.c (add_constraint): Don't remove anything from the
1326 (write_tm_constrs_h): Detect whether "op" argument is used, and
1327 mark it ARG_UNUSED if it isn't.
1328 (write_insn_const_int_ok_for_constraint): Skip the part of the
1329 expression that would test whether "op" (which is not available
1330 here) is a CONST_INT.
1332 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1335 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1337 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1339 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1340 current Leopard versions.
1341 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1343 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1345 * doc/install.texi: Fix typos.
1347 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1349 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1350 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1351 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1353 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1355 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1356 arg to be struct mach_header_64* instead.
1358 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1361 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1362 side effects after the outer expression's post side effects.
1364 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1366 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1367 comments to reflect actual behavior and relationship between
1368 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1370 * doc/c-tree.texi (Working with declarations): Fix documentation
1371 of FIELD_DECL likewise.
1373 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1376 * doc/extend.texi: Add used variable attribute description.
1378 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1381 * c.opt (Woverride-init): New.
1382 * c-opts.c (c_common_post_options): Default warn_override_init to
1384 * c-typeck.c (add_pending_init, output_init_element): Warn for
1385 overriding initializers without side effects.
1386 * doc/invoke.texi (-Woverride-init): Document.
1389 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1391 PR rtl-optimization/28096
1392 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1393 assignment has already been used as a destination earlier in the block.
1395 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1397 * builtins.c (expand_builtin_setjmp): Delete.
1398 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1399 <BUILT_IN_SETJMP_SETUP>: New case.
1400 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1401 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1402 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1403 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1404 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1405 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1406 (lower_function_body): Initialize it to false. If it is set to true
1407 at the end of the processing, emit the setjmp dispatcher.
1408 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1409 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1410 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1411 on the rhs of the assignment.
1412 (lower_builtin_setjmp): New function.
1413 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1414 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1415 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1416 to detect calls that can go to non-local labels. Use specific
1417 helper to create the abnormal edges associated with them.
1418 <MODIFY_EXPR>: Likewise.
1419 (make_abnormal_goto_edges): New function extracted from...
1420 (make_goto_expr_edges): ...here. Call it for computed gotos.
1421 (simple_goto_p): Minor tweak.
1422 (tree_can_make_abnormal_goto): New predicate.
1423 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1424 (tree_purge_dead_abnormal_call_edges): New function.
1425 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1426 (tree_purge_dead_abnormal_call_edges): Likewise.
1427 (make_abnormal_goto_edges): Likewise.
1428 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1429 Purge all dead abnormal edges if the call was in the last statement.
1430 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1431 (execute_fixup_cfg): If there are non-local labels in the function,
1432 scan the basic blocks and split them at calls that can go to non-local
1433 labels or add missing abnormal call edges. Write down the CFG in the
1435 (pass_fixup_cfg): Remove TODO_dump_func flag.
1436 * unwind-sjlj.c: Poison setjmp.
1437 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1438 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1439 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1440 (DONT_USE_BUILTIN_SETJMP): Document it.
1442 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1445 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1446 to 1 when __ppc64__ is defined.
1447 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1449 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1451 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1453 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1454 * config/ia64/unwind-hpux.c: Delete.
1456 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1458 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1459 on the element before gimplifying it, instead of punting if it is of
1462 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1464 * doc/loop.texi: New file.
1465 * doc/gccint.texi: Reference loop.texi.
1466 * Makefile.in (loop.texi): Add.
1468 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1470 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1472 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1473 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1475 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1477 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1479 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1481 * doc/install.texi: Document required versions of GMP and MPFR.
1483 2006-09-27 Paul Brook <paul@codesourcery.com>
1486 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1488 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1490 * reload1.c (alter_reg): Require the alignment of the stack slot to
1491 be at least reg_max_ref_width bytes.
1492 (scan_paradoxical_subregs): Record the largest width in
1495 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1499 * tree-nested.c (struct nesting_info): Added static_chain_added.
1500 (convert_call_expr): Set static_chain_added when adding static
1501 chain. Handle OMP_PARALLEL and OMP_SECTION.
1503 2006-09-25 Matthias Klose <doko@debian.org>
1505 * doc/invoke.texi: Add missing full stop.
1507 2006-09-25 Richard Henderson <rth@redhat.com>
1509 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1510 before cgraph_function_flags_ready.
1512 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1513 Adam Nemet <anemet@caviumnetworks.com>
1515 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1516 determine_common_wider_type): New functions.
1517 (get_computation_aff): Use them to simplify arithmetic between
1518 UBASE and CBASE if they are shortened from the same type.
1520 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1523 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1524 -2147483647 - 1 instead of 0x80000000.
1526 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1528 * flags.h (HONOR_NANS): Fix typo in comment.
1530 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1532 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1534 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1538 * tree.c (merge_attributes, attribute_list_contained): If both
1539 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1541 * c-typeck.c (comptypes_internal): Don't consider aggregates
1542 in different TUs as compatible if there one set of attributes is
1543 not a subset of the other type's attributes.
1544 (composite_type): Try harder not to create a new aggregate type.
1546 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1548 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1549 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1550 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1551 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1552 than replicating condition above.
1553 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1555 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1556 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1557 the linker by default.
1559 2006-09-22 Mike Stump <mrs@apple.com>
1561 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1564 2006-09-22 Richard Guenther <rguenther@suse.de>
1567 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1568 sort of stack variables stable.
1570 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1573 * explow.c (force_reg): Set REG_POINTER flag according to
1576 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1578 PR tree-optimization/28888
1579 * tree-if-conv.c (combine_blocks): Rewritten.
1580 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1581 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1583 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1585 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1588 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1590 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1592 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1594 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1596 2006-09-21 Roger Sayle <roger@eyesopen.com>
1599 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1600 dw_fde_current_label, to be the start of the function, i.e. the same
1601 value as dw_fde_begin.
1603 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1605 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1606 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1607 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1608 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1609 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1610 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1611 (abs<mode>2, neg<mode>2): Likewise.
1612 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1613 (*mips_abs_ps): New define_insn.
1615 2006-09-20 Josh Conner <jconner@apple.com>
1618 * calls.c (expand_call): Allow reuse of structure return stack
1621 2006-09-20 Paul Brook <paul@codesourcery.com>
1623 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1626 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1628 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1629 clean up terminology.
1631 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1634 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1635 with tablejumps in them.
1637 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1640 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1641 wrap it into TARGET_EXPR.
1643 2006-09-20 Eric Christopher <echristo@apple.com>
1645 * config/i386/i386.c (x86_fisttp): Remove.
1646 * config/i386/i386.h (x86_fisttp): Ditto.
1647 (TARGET_FISTTP): Ditto.
1649 2006-09-19 Eric Christopher <echristo@apple.com>
1651 * doc/tm.texi (OBJC_JBLEN): Describe.
1652 * config/i386/darwin.h (OBJC_JBLEN): Define.
1653 * config/rs6000/darwin.h: Ditto.
1655 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1657 PR rtl-optimization/21299
1658 * reload1.c (reload): Purge invalid ASMs in the final pass.
1660 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1663 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1664 pointers as legitimate constants.
1666 2006-09-19 Paul Brook <paul@codesourcery.com>
1669 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1671 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1673 PR tree-optimization/28887
1674 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1675 component parts from the reference.
1676 (gather_memory_references_ref): Record the reference without the
1677 nonaddressable component parts.
1679 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1682 * c-opts.c (c_common_handle_option): Ignore the -std options
1683 if the input language is assembly.
1685 2006-09-17 Ira Rosen <irar@il.ibm.com>
1688 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1690 (ptr_ptr_may_alias_p): Likewise.
1691 (record_record_differ_p): New function.
1692 (base_object_differ_p): Call record_record_differ_p.
1694 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1697 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1698 away for the expr argument.
1700 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1703 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1704 before using it for dumping after vectorizing loops.
1706 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1707 Jack Howarth <howarth@bromo.med.uc.edu>
1710 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1711 skip on error_mark_node.
1712 (rs6000_darwin64_record_arg_recurse): Likewise.
1714 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1716 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1717 * doc/rtl.texi: Remove related documentation.
1719 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1721 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1724 2006-09-15 Jim Wilson <wilson@specifix.com>
1726 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1727 Handle symbol offsets same as they are handled in ia64_expand_move
1730 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1732 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1733 Add forgotten parameter to the fprintf call.
1735 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1737 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1739 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1741 * doc/contrib.texi: Add my entry.
1743 2006-09-15 Nick Clifton <nickc@redhat.com>
1745 * doc/md.texi (Processor pipeline description): Fix typo in
1746 example of how to use the absence_set directive and reword the
1747 description to make it slightly easier to read.
1749 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1751 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1752 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1753 expanding the number of iterations.
1754 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1756 * cfgrtl.c (emit_insn_at_entry): New function.
1757 * rtl.h (emit_insn_at_entry): Declare it.
1758 * integrate.c (emit_initial_value_sets): Use it.
1760 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1762 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1764 (struct loop_work and related VEC declarations): Delete.
1765 (bfin_dump_loops): Print out new member bad.
1766 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1767 (bfin_scan_loop): Don't recurse.
1768 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1769 loops. No longer need to update outer loops if the current one is
1770 found bad. Move some validitiy checks to bfin_discover_loop.
1771 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1772 but changed not to check for nesting. Also changed to use the new bad
1774 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1775 time. Use bitmap based test to discover loop nesting.
1777 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1779 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1782 2006-09-14 Richard Guenther <rguenther@suse.de>
1783 Kazu Hirata <kazu@codesourcery.com>
1785 PR middle-end/28884.
1786 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1787 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1788 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1789 with TARGET_FUNCTION_VALUE.
1791 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1794 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1796 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1798 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1801 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1804 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1807 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1809 * basic_block.h (bb_has_eh_pred): Fix comment.
1811 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1813 * flow.c (calculate_global_regs_live): Invalidate eh registers
1814 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1815 (propagate_block): Handle eh registers as if they were set at basic
1817 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1819 * global.c (global_conflicts): Make eh registers to conflict with
1820 pseudos live at basic block begin.
1821 * basic_block.h (bb_has_eh_pred): New function.
1823 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1825 PR rtl-optimization/28982
1826 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1827 index of a PRE_MODIFY or POST_MODIFY address.
1828 * reload1.c (inc_for_reload): Use find_replacement on the original
1829 base and index registers.
1831 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1833 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1834 for -Os. Update __m128 alignment requirement.
1836 2006-09-13 Jan Hubicka <jh@suse.cz>
1838 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1840 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1842 PR rtl-optimization/28243
1843 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1844 the insn to which the note was originally attached.
1846 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1847 Roger Sayle <roger@eyesopen.com>
1849 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1850 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1851 on platforms that don't use dwarf for debug info.
1853 2006-09-12 Jason Merrill <jason@redhat.com>
1856 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1857 hard_frame_pointer_rtx after using it to update the frame pointer.
1859 2006-09-12 Roger Sayle <roger@eyesopen.com>
1861 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1862 (TARGET_ASM_CLOSE_PAREN): Likewise.
1863 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1864 (TARGET_ASM_CLOSE_PAREN): Likewise.
1866 2006-09-12 Roger Sayle <roger@eyesopen.com>
1869 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1870 frame information for frames larger than 512 Kbytes on Tru64 when
1871 using the native assembler.
1873 2006-09-12 Roger Sayle <roger@eyesopen.com>
1877 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1878 and symbols. Instead use the implementation from cse.c's hash_rtx.
1880 2006-09-12 Jan Hubicka <jh@suse.cz>
1882 PR rtl-optimization/28071
1883 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1884 (vect_transform_loop): Likewise.
1885 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1886 (new_loop_vec_info): Likewise.
1887 (destroy_loop_vec_info): Likewise.
1888 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1889 (create_stmt_ann): Likewise.
1890 (create_tree_ann): Rename to ...
1891 (create_tree_common_ann): ... this one; allocate only the common part
1893 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1894 (get_value_handle): Likewise.
1895 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1896 get_tree_common_ann.
1897 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1898 (vinfo_for_stmt): Use stmt annotations.
1899 * tree-flow.h (tree_ann_common_t): New type.
1900 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1901 (tree_ann, get_tree_ann, create_tree_ann): New.
1902 * tree-flow-inline.h (get_function_ann): Do more type checking.
1903 (stmt_ann): Likewise.
1904 (tree_ann): Rename to ...
1905 (tree_common_ann): ... this one; return ony common_ann
1906 (get_tree_ann): Rename to ...
1907 (tree_common_ann): This one; return only common_ann.
1908 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1911 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1913 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1914 with_cpu by default.
1916 * dwarf2out.c (dwarf_file_data): New.
1917 (enum dw_val_class): Add dw_val_class_file.
1918 (struct dw_val_struct): Add val_file.
1919 (file_table): Change to a hash table.
1920 (file_table_emitted): Delete.
1921 (file_table_last_lookup_index): Delete.
1922 (emitcount): Delete.
1923 (last_emitted_file): New.
1924 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1925 (init_file_table): Delete.
1926 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1927 (AT_addr): Add comment.
1931 (print_die): Handle dw_val_class_file.
1932 (print_dwarf_line_table): Update for new file table structure.
1933 (attr_checksum): Do checksum a filename.
1934 (same_dw_val_p, same_attr_p): Do compare a filename.
1935 (size_of_die): Handle dw_val_class_file.
1936 (value_format): Likewise.
1937 (output_die): Likewise. Also, call maybe_emit_file here.
1938 (struct file_info): Constify filenames. Make file_idx a pointer
1939 to a struct dwarf_file_data.
1940 (struct dir_info): Constify directory names. Remove 'used' field.
1941 (struct file_name_acquire_data): New.
1942 (file_name_acquire): New.
1943 (output_file_names): Modify to handle new file data structures.
1944 (add_src_coords_attributes): Use add_AT_file.
1945 (add_call_src_coords_attributes): Likewise.
1946 (dwarf2out_imported_module_or_decl): Likewise.
1947 (gen_subprogram_die): Modify for new file data structures.
1948 (gen_variable_die): Likewise.
1949 (file_table_eq): New.
1950 (file_table_hash): New.
1951 (file_table_last_lookup): New.
1952 (lookup_filename): Rewrite to handle new file data structures.
1953 (maybe_emit_file): Rewrite to handle new file data structures.
1954 (dwarf2out_source_line): Always call lookup_filename and
1956 (dwarf2out_init): Create file_table here.
1957 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1958 (file_table_relative_p): New.
1959 (dwarf2out_finish): Change detection of relative filenames
1960 to work with new file data structures. Move output_line_info call
1961 after debug_info output.
1963 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1968 * config/i386/i386.c (override_options): Always default to 16
1969 byte stack boundary.
1971 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1974 * var-tracking.c (dump_dataflow_set): Start dumping at
1976 (clobber_variable_part): Kill only the variable part in
1977 registers holding it, leaving other variables alone.
1979 2006-09-11 Josh Triplett <josh@freedesktop.org>
1981 * doc/extend.texi (Other Builtins): Actually use the macro
1982 argument in the documentation example for
1983 __builtin_types_compatible_p.
1985 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1987 PR rtl-optimization/28726
1988 * sched-deps.c (sched_analyze_reg): New function extracted from...
1989 (sched_analyze_1): ...here. Call it to analyze references to
1990 registers. Treat again writes to a stack register as writing to the
1992 (sched_analyze_2): ...and here. Call it to analyze references to
1993 registers. Treat again reads of a stack register as reading the
1996 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1997 David Edelsohn <edelsohn@gnu.org>
2000 * config/rs6000/spe.md (frob_df_di): Remove %H.
2001 (frob_di_df): Remove %H. Change evmergelo to mr.
2002 (frob_di_df_2): Remove %H. Change evldd to two loads.
2004 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2006 * doc/cpp.texi: Fix names of charset options.
2008 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2011 * config/i386/i386.c (override_options): Use 128-bit
2012 stack boundary always for 64bits.
2014 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2016 PR rtl-optimization/28636
2017 * combine.c (force_to_mode): Test for side-effects before
2018 substituting by zero.
2019 (simplify_shift_const): Likewise for zero or other constants.
2021 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2024 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2027 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2030 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2031 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2032 returned by mode_for_size, rather than the mode of src itself,
2033 to choose between 32-bit and 64-bit patterns.
2034 (mips_mem_fits_mode_p): New function.
2035 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2036 that the size of the source matches the size of the destination.
2037 (mov_<store>l, mov_<store>r): Likewise.
2039 2006-09-10 Eric Christopher <echristo@apple.com>
2041 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2044 2006-09-09 Eric Christopher <echristo@apple.com>
2047 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2050 2006-09-09 Roger Sayle <roger@eyesopen.com>
2051 Nicolas Setton <setton@adacore.com>
2053 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2055 2006-09-10 Andreas Schwab <schwab@suse.de>
2057 * config/m68k/m68k.md (bungt_rev): New pattern.
2059 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2060 Dale Johannesen <dalej@apple.com>
2063 * regclass.c (struct reg_pref): Update documentation.
2064 (regclass): Set prefclass to NO_REGS if memory is the best option.
2065 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2067 2006-09-08 Eric Christopher <echristo@apple.com>
2069 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2070 * config/t-slibgcc-darwin: Support x86_64 multilib.
2071 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2072 Return 1 for x86_64-darwin.
2073 * config/i386/t-darwin: Add m64 multilib.
2074 (LIB2_SIDITI_CONV_FUNCS): Use.
2075 (LIB2FUNCS_EXTRA): Ditto.
2076 * config/i386/darwin.h: Support x86_64.
2077 * config/i386/i386.c (override_options): Turn on flag_pic
2078 for x86_64-darwin. Disable flag_omit_pointer.
2079 (get_pc_thunk_name): Assert !TARGET_64BIT.
2080 (legitimate_address_p): Disable machopic addressing for
2082 (legitimize_pic_address): Ditto.
2083 (ix86_expand_move): Ditto.
2084 (ix86_expand_call): Ditto.
2085 (machopic_output_stub): Ditto.
2086 * config/darwin.c (machopic_select_section): Support literal16.
2087 (machopic_select_rtx_section): Ditto.
2088 * config/darwin-sections.def: Ditto.
2089 * config/darwin-64.c: New.
2091 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2094 * c-tree.h (struct c_arg_info): Add pending_sizes.
2095 * c-parser.c (c_parser_parms_declarator,
2096 c_parser_parms_list_declarator): Initialize pending_sizes.
2097 * c-decl.c (get_parm_info): Initialize pending_sizes.
2098 (get_parm_info): Set pending_sizes.
2099 (grokdeclarator): Call put_pending_sizes for parameters for
2100 function definition only.
2102 2006-09-07 Jason Merrill <jason@redhat.com>
2105 * varasm.c (output_constant): Only strip actual no-op conversions.
2108 * config/i386/i386.c (override_options): Use 128-bit
2109 stack boundary if -msse.
2111 2006-09-07 Eric Christopher <echristo@apple.com>
2113 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2115 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2118 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2120 * dwarf2out.c: Remove strange characters from comment above
2121 dwarf2out_frame_debug_expr.
2123 2006-09-07 Eric Christopher <echristo@apple.com>
2125 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2126 * config/darwin.h: ... to here.
2128 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2130 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2132 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2133 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2135 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2136 TARGET_PARTIAL_FLAG_REG_STALL.
2137 (*ashldi3_cconly_rex64): Likewise.
2138 (*ashlsi3_cmp): Likewise.
2139 (*ashlsi3_cconly): Likewise.
2140 (*ashlsi3_cmp_zext): Likewise.
2141 (*ashlhi3_cmp): Likewise.
2142 (*ashlhi3_cconly): Likewise.
2143 (*ashlqi3_cmp): Likewise.
2144 (*ashlqi3_cconly): Likewise.
2145 (*ashrdi3_cmp_rex64): Likewise.
2146 (*ashrdi3_cconly_rex64): Likewise.
2147 (*ashrsi3_cmp): Likewise.
2148 (*ashrsi3_cconly): Likewise.
2149 (*ashrsi3_cmp_zext): Likewise.
2150 (*ashrhi3_cmp): Likewise.
2151 (*ashrhi3_cconly): Likewise.
2152 (*ashrqi3_cmp): Likewise.
2153 (*ashrqi3_cconly): Likewise.
2154 (*lshrdi3_cmp_rex64): Likewise.
2155 (*lshrdi3_cconly_rex64): Likewise.
2156 (*lshrsi3_cmp): Likewise.
2157 (*lshrsi3_cconly): Likewise.
2158 (*lshrsi3_cmp_zext): Likewise.
2159 (*lshrhi3_cmp): Likewise.
2160 (*lshrhi3_cconly): Likewise.
2161 (*lshrqi2_cmp): Likewise.
2162 (*lshrqi2_cconly): Likewise.
2164 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2167 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2168 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2169 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2170 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2171 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2172 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2173 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2174 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2175 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2176 implement only CC setting effects of shift instructions.
2178 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2180 * doc/contrib.texi: Add myself.
2182 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2185 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2186 was set by the user.
2188 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2191 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2192 (divsi_inv_m1): Use them.
2193 (UNSPEC_DIV_INV_TABLE): New constant.
2195 2006-09-06 James E Wilson <wilson@specifix.com>
2198 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2199 then call count_or_remove_death_notes.
2201 2006-09-06 Jason Merrill <jason@redhat.com>
2204 * tree-inline.c (copy_result_decl_to_var): New fn.
2205 (declare_return_variable): Use it. Call declare_inline_vars here.
2206 (expand_call_inline): Not here.
2208 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2210 * doc/contrib.texi: Update my entry.
2212 2006-09-06 Nick Clifton <nickc@redhat.com>
2214 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2216 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2219 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2220 (canonicalize_induction_variables): Likewise.
2221 (tree_unroll_loops_completely): Likewise.
2222 (tree_ssa_prefetch_arrays): Likewise.
2223 (remove_empty_loops): Likewise.
2224 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2225 TODO_cleanup_cfg instead of directly calling
2226 cleanup_tree_cfg_loop.
2227 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2229 (tree_unroll_loops_completely): Likewise.
2230 (remove_empty_loops): Likewise.
2231 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2232 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2233 of tree_ssa_unswitch_loops.
2234 (tree_ssa_loop_ivcanon): Use the return value of
2235 canonicalize_induction_variables.
2236 (tree_ssa_empty_loop): Use the return value of
2238 (tree_complete_unroll): Use the return value of
2239 tree_unroll_loops_completely.
2240 (tree_ssa_loop_prefetch): Use the return value of
2241 tree_ssa_prefetch_arrays.
2242 * passes.c (execute_todo): Before Cleanup CFG, set
2243 updating_used_alone and after cleanup CFG, call
2244 recalculate_used_alone.
2246 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2249 * tree-vect-transform.c (vectorizable_condition): Move the check
2250 for the type after the check for simple condition.
2252 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2253 Kaz Kojima <kkojima@gcc.gnu.org>
2256 * mode-switching.c (optimize_mode_switching): Make the destination
2257 block of an abnormal edge have no anticipatable mode. Don't
2258 insert mode switching code at the end of the source block of
2261 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2263 PR rtl-optimization/26847
2264 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2265 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2266 (simplify_plus_minus): Count n_constants while filling ops. Replace
2267 qsort with insertion sort. Before going through the array to simplify
2268 pairs, sort it. Delay early exit until after the first sort, exiting
2269 only if no swaps occurred. Simplify pairs in reversed order, without
2270 special-casing the first iteration. Pack ops after simplifying pairs.
2272 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2274 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2275 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2276 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2277 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2279 2006-09-05 Richard Guenther <rguenther@suse.de>
2281 PR tree-optimization/28900
2282 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2283 compound conditional before creating COND_EXPR condition.
2285 2006-09-05 Richard Guenther <rguenther@suse.de>
2287 PR tree-optimization/28905
2288 * tree-vrp.c (fix_equivalence_set): Manually implement
2289 !value_ranges_intersect_p to also handle symbolic ranges.
2291 2006-09-05 Richard Guenther <rguenther@suse.de>
2294 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2297 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2299 PR rtl-optimization/27616
2300 * cse.c (table_size): New static variable.
2301 (new_basic_block): Initialize it to 0.
2302 (remove_from_table): Decrement it.
2303 (insert): Increment it.
2304 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2305 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2306 fold_rtx_mem_1 if under the cap.
2307 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2308 the lookup of the equivalent expression and test for equality of the
2309 first operand of the equivalent expression before in turn looking up
2310 an equivalent constant for the second operand.
2312 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2315 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2316 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2317 pointer, instead of assuming it is possible to derive the
2318 correct args size from a call insn.
2320 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2323 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2324 (fold_builtin_mempcpy): Rename to...
2325 (fold_builtin_memory_op): ... this. Optimize one element copy
2327 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2329 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2330 (expand_builtin_memcpy, expand_builtin_mempcpy,
2331 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2332 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2333 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2334 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2336 2006-09-01 DJ Delorie <dj@redhat.com>
2338 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2339 (stzx_16): Likewise.
2340 ("stzx_24_<mode>"): Likewise.
2341 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2342 ("cmp<mode>_op"): New.
2343 (cmp<mode>): Change to expander; just save operands.
2345 (b<code>): Change to expander, emit compare here.
2346 (s<code>_op): Change to use split and expander.
2347 (s<code>_24_op): Likewise.
2348 (s<code>_<mode>): New.
2349 (s<code>_<mode>_24): New.
2350 (movqicc_<code>_<mode): New.
2351 (movhicc_<code>_<mode>): New.
2354 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2355 (m32c_pend_compare): New.
2356 (m32c_unpend_compare): New.
2357 (m32c_expand_scc): New.
2358 (m32c_expand_movcc): Emit the compare also.
2359 * config/m32c/predicates.md (mra_nopp_operand): New.
2361 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2362 Richard Guenther <rguenther@suse.de>
2363 Adam Nemet <anemet@caviumnetworks.com>
2366 * builtins.c (get_pointer_alignment): Handle more forms
2367 of base addresses that can be used to derive more precise
2368 information about alignment.
2370 2006-09-01 Jason Merrill <jason@redhat.com>
2373 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2376 * gimplify.c (voidify_wrapper_expr): Handle null type.
2378 2006-09-01 Josh Conner <jconner@apple.com>
2381 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2382 (execute_return_slot_opt): Use it.
2384 2006-08-31 Josh Conner <jconner@apple.com>
2387 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2388 returning aggregates.
2390 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2392 PR tree-optimization/28839
2393 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2394 blocks in that phi arguments appear.
2396 2006-08-31 Roger Sayle <roger@eyesopen.com>
2399 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2400 NULL, otherwise use an advance_loc4 to adjust relative to the
2402 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2403 (dwarf2out_switch_text_section): Reset the current label to avoid
2404 using advance_loc4 over section boundaries.
2406 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2409 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2410 r12 + SYMBOLIC_CONST.
2412 2006-08-30 Richard Guenther <rguenther@suse.de>
2414 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2416 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2418 PR rtl-optimization/27735
2419 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2420 Add new argument to keep track of whether an irreducible region
2421 was affected. All callers changed.
2422 (fix_irreducible_loops): Removed.
2423 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2424 flags were invalidated.
2426 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2428 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2429 instead of SF operands.
2430 (*fop_df_comm_sse): Likewise.
2431 (*fop_df_comm_i387): Likewise.
2432 (*fop_df_1_mixed): Likewise.
2433 (*fop_df_1_sse): Likewise.
2435 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2436 J"orn Rennecke <joern.rennecke@st.com>
2438 PR tree-optimization/17506
2439 * tree-ssa.c (warn_uninit): If warning about a location outside of
2440 the current function, note where the variable was declared.
2442 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2444 PR tree-optimization/28411
2445 * double-int.c (double_int_div): Use double_int_divmod.
2446 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2447 double_int_mod, double_int_smod, double_int_umod): New functions.
2448 * double-int.h (double_int_divmod, double_int_sdivmod,
2449 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2451 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2453 (get_computation_aff, get_computation_cost_at): Handle double_int
2454 return type of constant_multiple_of.
2456 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2459 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2460 an implicit conversion.
2462 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2464 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2466 2006-08-27 Roger Sayle <roger@eyesopen.com>
2468 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2471 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2473 * config/i386/crtfastmath.c: Fix a comment typo.
2475 2006-08-26 Roger Sayle <roger@eyesopen.com>
2477 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2478 temporary visit flags on CASE_LABEL_EXPRs.
2479 * c-common.c (match_case_to_enum): Add function comment. Avoid
2480 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2481 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2482 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2483 a constant, only warn if that constant value isn't handled.
2485 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2488 * input.h (restore_input_file_stack): Declare.
2489 (INPUT_FILE_STACK_BITS): Define.
2490 * toplev.c (fs_p, input_file_stack_history,
2491 input_file_stack_restored, restore_input_file_stack): New.
2492 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2493 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2494 (pop_srcloc): Don't free old state of stack.
2496 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2499 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2500 (PowerPC Type Attributes): New.
2502 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2504 * config/xtensa/xtensa.c (function_arg_boundary): New.
2505 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2507 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2508 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2510 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2513 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2516 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2518 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2519 (verify_local_live_at_start): Likewise.
2521 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2524 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2525 omp_add_variable): Treat sizes as variable whenever not
2528 2006-08-26 Richard Guenther <rguenther@suse.de>
2531 * fold-const.c (fold_binary): Fold temporary to correct
2532 type before constructing new comparison.
2534 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2537 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2538 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2540 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2543 * c-decl.c (start_function): Don't try to process prototype
2544 information from old declaration that isn't a function.
2546 2006-08-25 Jan Hubicka <jh@suse.cz>
2549 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2551 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2554 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2557 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2559 PR tree-optimization/16876
2560 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2561 exit if PARM doesn't match VALUE.
2563 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2565 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2566 literal_prefix directive.
2567 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2568 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2569 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2571 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2574 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2575 predicate to general_operand. Add 0->y and I->r alternatives.
2577 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2579 * doc/tm.texi: Fix a typo.
2580 * predict.c: Fix comment typos.
2582 2006-08-25 Nick Clifton <nickc@redhat.com>
2584 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2585 assertions of "cpu" and "machine".
2587 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2590 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2591 the access through a base which has an alias set of 0 cannot
2594 2006-08-24 Bill Wendling <wendling@apple.com>
2596 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2598 2006-08-24 Jan Hubicka <jh@suse.cz>
2600 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2602 2006-08-24 Jan Hubicka <jh@suse.cz>
2605 * cgraph.c: Fix comments.
2606 (cgraph_varpool_mark_needed_node): Mark only variables not already
2608 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2609 (cgraph_varpool_assembled_nodes_queue): New static variable.
2610 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2611 (cgraph_varpool_output_debug_info): New function.
2612 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2613 * Makefile.in: Add gt-cgraphunit.h
2615 2006-08-24 Jan Hubicka <jh@suse.cz>
2617 * predict.c (probability_reliable_p): New predicate.
2618 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2619 (predict_loops): Do not predict loop exit with less than 2%
2621 * basic-block.h (edge_probability_reliable_p,
2622 br_prob_note_reliable_p): Declare.
2623 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2624 prediction when static predictor is not reliable.
2625 * rs6000.c (output_cbranch): Likewise.
2627 2006-08-23 Stuart Hastings <stuart@apple.com>
2630 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2631 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2633 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2636 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2637 complex values, nor for generic vector values.
2639 2006-08-22 Richard Guenther <rguenther@suse.de>
2642 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2643 parameter. Convert arguments to arithmetic expression to the
2645 (analyze_scalar_evolution_1): Adjust caller.
2647 2006-08-22 Jan Hubicka <jh@suse.cz>
2649 Patch by Paolo Bonzini
2650 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2653 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2655 PR tree-optimization/28003
2656 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2657 before grouping aliases.
2659 2006-08-22 Roger Sayle <roger@eyesopen.com>
2661 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2662 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2664 2006-08-21 Jason Merrill <jason@redhat.com>
2667 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2668 wrapper. Loop to handle nested wrappers.
2669 (gimplify_bind_expr): Remove temp parameter.
2670 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2671 and STATEMENT_LIST on the rhs.
2672 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2673 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2674 (gimplify_target_expr): Remove special BIND_EXPR handling.
2676 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2678 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2681 2006-08-21 Olivier Hainque <hainque@adacore.com>
2683 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2684 Arrange for the temporary captures of components overlapping the lhs
2685 to happen before the lhs is possibly cleared.
2687 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2689 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2690 necessary places to pass the correct "number of registers" values
2693 2006-08-20 Jan Hubicka <jh@suse.cz>
2695 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2696 (create_name_tags): Instead of quadratic checking use hashtable.
2697 * bitmap.h: Include hashtab.h.
2698 (bitmap_hash): Declare.
2699 * bitmap.c (bitmap_hash): New function.
2701 2006-08-20 Jan Hubicka <jh@suse.cz>
2703 PR rtl-optimization/28071
2704 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2706 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2707 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2708 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2709 cgraph_decide_inlining_incrementally): Update use of
2710 cgraph_check_inline_limits.
2711 * cgraph.c (edge_hash, edge_eq): New function.
2712 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2713 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2714 cgraph_remove_node): Maintain call site hash.
2715 * cgraph.h (struct cgraph_node): Add call_site_hash.
2716 (cgraph_set_call_stmt): New function.
2718 2006-08-20 Jan Hubicka <jh@suse.cz>
2720 PR rtl-optimization/28071
2721 * reload1.c (reg_has_output_reload): Turn into regset.
2722 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2723 choose_reload_regs, emit_reload_insns): Update to new
2724 reg_has_output_reload.
2726 2006-08-20 Jan Hubicka <jh@suse.cz>
2729 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2730 function body sizes.
2731 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2733 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2736 * tree.c (handle_dll_attribute): Return early if not a
2737 var or function decl.
2739 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2742 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2743 alignment of SPE vector types.
2745 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2747 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2749 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2752 * cgraph.h (struct cgraph_node): Remove externally_visible
2754 * cgraphunit.c (process_function_and_variable_attributes): Set
2755 local.externally_visible rather than externally_visible.
2758 * c-common.c (handle_externally_visible_attribute): First look
2759 at TREE_CODE and only if it is function or var decl, check for
2760 non-public objects. Don't warn for DECL_EXTERNAL.
2761 * cgraphunit.c (process_function_and_variable_attributes): Warn
2762 if externally_visible attribute is used on non-public object.
2764 2006-08-17 Jan Hubicka <jh@suse.cz>
2766 PR tree-optimization/27865
2767 * reload1.c (forget_marked_reloads): New function.
2768 (forget_old_reloads_1): When data are passed, just mark the registers
2770 (reload_as_needed): Use the new mechanizm.
2772 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2775 * reload.h (reg_equiv_alt_mem_list): New declaration.
2776 * reload1.c (reg_equiv_alt_mem_list): New definition.
2777 (reload): Initialize it and release it.
2778 (delete_output_reload): Use it.
2779 * reload.c (push_reg_equiv_alt_mem): New function.
2780 (find_reloads_toplev): Call it.
2781 (find_reloads_address, find_reloads_address_1): Likewise.
2782 (find_reloads_subreg_address): Likewise.
2784 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2786 PR rtl-optimization/28489
2787 * sched-ebb.c (begin_schedule_ready): Create basic block
2789 (advance_target_bb): Skip empty blocks.
2790 * haifa-sched.c (bb_note): Make global.
2791 * sched-int.h (bb_note): Add prototype.
2793 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2795 PR tree-optimization/27865
2796 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2798 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2799 fold_used_pointer, pointer_used_p): New functions.
2800 (analyze_scalar_evolution_1): Use fold_used_pointer.
2801 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2802 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2805 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2808 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2809 or the INTEGER_CST. Fail on a CALL_EXPR.
2810 (fold_offsetof): Pass new argument to fold_offsetof_1.
2811 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2812 operand into an INDIRECT_REF.
2813 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2815 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2817 PR gcov/profile/26570
2818 * value-prof.c (static_values): Removed.
2819 (tree_find_values_to_profile): Do not set static_values.
2820 (find_values_to_profile): Do not free static_values.
2821 * profile.c (instrument_values): Do not free the values.
2822 (branch_prob): Free the values.
2824 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2826 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2828 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2831 * c-typeck.c (build_component_ref): Combine qualifiers of
2832 structure or union and field.
2834 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2836 PR rtl-optimization/28071
2837 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2838 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2839 * tree-into-ssa.c (struct dom_dfsnum): New.
2840 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2842 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2843 compute_global_livein.
2844 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2845 in phi nodes in the correct blocks.
2847 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2849 PR tree-optimization/28364
2850 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2852 (fold_affine_expr): New function.
2853 (may_eliminate_iv): Use fold_affine_expr.
2855 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2858 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2861 2006-08-16 Mike Stump <mrs@apple.com>
2863 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2864 * doc/cppopts.texi (-MD): Likewise.
2866 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2869 * c-common.c (handle_weak_attribute): Ignore and warn if
2870 not a FUNCTION_ or VAR_DECL.
2872 2006-07-15 Mike Stump <mrs@apple.com>
2875 * c-parser.c (c_parser_typeof_specifier): Don't use
2876 c_finish_expr_stmt, open code desired semantics instead.
2878 2006-08-15 Nick Clifton <nickc@redhat.com>
2880 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2881 fragment to tmake_file only if threads are enabled.
2882 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2883 * config/i386/t-gthr-win32: New file. ... here.
2885 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2888 * c-parser.c (c_parser_compound_statement_nostart): Reset
2889 parser->error after each statement.
2891 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2894 * omp-low.c (lower_omp_parallel): Convert t to
2895 receiver_decl's type.
2896 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2897 source before comparison.
2900 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2901 to itype in assignment to oldival2.
2903 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2907 * c-typeck.c (build_compound_expr): If the second expression
2908 is an error mark, then just return an error mark instead of
2909 creating a COMPOUND_EXPR.
2911 2006-07-14 Mike Stump <mrs@apple.com>
2913 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2915 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2917 * c-decl.c, var-tracking.c: Fix comment typos.
2919 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2921 PR rtl-optimization/28634
2922 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2923 for floating-point modes unless flag_unsafe_math_optimizations.
2925 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2926 Andrew Pinski <pinskia@physics.uc.edu>
2929 * tree.c (build_array_type): Unify array types with
2930 unspecified index_type.
2931 * c-decl.c (grokdeclarator): Make sure we do not modify a
2932 unified incomplete array type.
2933 * c-typeck.c (store_init_value): Create distinct type before
2934 filling in the index type in an initializer from a compound
2937 * c-decl.c (grokdeclarator): Remove code where we copy the
2940 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2942 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2943 into account for TODO_dump_cgraph.
2944 (TODO_update_ssa_no_phi): Likewise.
2945 (TODO_update_ssa_full_phi): Likewise.
2946 (TODO_update_ssa_only_virtuals): Likewise.
2947 (TODO_remove_unused_locals): Likewise.
2948 (TODO_set_props): Likewise.
2949 (TODO_update_stmt_usage): Likewise.
2951 2006-08-13 Dirk Mueller <dmueller@suse.de>
2953 * c-common.c (strict_aliasing_warning): Fix formatting.
2955 2006-08-13 Matthias Klose <doko@debian.org>
2957 * doc/invoke.texi: Fix spelling errors.
2959 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2961 PR rtl-optimization/23454
2962 * reorg.c (relax_delay_slots): Update comment.
2964 2006-08-11 Richard Guenther <rguenther@suse.de>
2967 * simplify-rtx.c (simplify_const_relational_operation):
2968 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2971 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2973 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2974 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2976 2006-08-10 Paul Brook <paul@codesourcery.com>
2978 * final.c (final_scan_insn): Clear current_insn_predicate before
2979 outputting inline asm.
2981 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2983 PR tree-optimization/26197
2984 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2985 get_ref_base_and_extent and overlap_subvar to add only relevant
2986 subvars as may-aliases.
2987 (add_may_alias_for_new_tag): New function, factored out of
2989 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2990 with additional argument.
2991 * tree-flow.h (new_type_alias): Takes additional argument.
2993 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2995 * gcov.c (no_data_file): New flag.
2996 (read_count_file): Set it if data file not present. Assume counts
2998 (output_lines): Don't name the data file, if there wasn't one.
3000 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3002 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3003 (rs6000_generate_compare): Tweak comments.
3004 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3006 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3008 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3009 (var_debug_decl): New function.
3010 (var_reg_set): Follow debug decl link. Add location even if
3011 reg is already known to hold some other variable.
3012 (var_mem_set): Follow debug decl link.
3013 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3014 decl link. Delete other known locations of the variable part
3016 (var_reg_delete, var_mem_delete): Delete other known locations
3017 of the variable part if requested.
3018 (same_variable_part_p): New function.
3019 (add_stores): Select MO_COPY when appropriate.
3020 (vt_initialize): Handle it.
3021 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3022 known locations for MO_SET and MO_CLOBBER.
3023 (find_variable_location_part): New function.
3024 (set_variable_part, delete_variable_part): Use it.
3025 (clobber_variable_part): New function.
3026 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3029 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3031 PR tree-optimization/26969
3032 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3033 with an empty list of PHIs.
3035 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3039 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3042 2006-08-06 Andreas Schwab <schwab@suse.de>
3044 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3045 string. Whitespace and comment fixup.
3047 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3050 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3054 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3057 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3059 2006-08-04 Jan Hubicka <jh@suse.cz>
3063 * reload.c (push_reload): Patch out the mismatching instruction;
3065 (find_reload): Bail out if the instruction was patched out.
3067 2006-08-04 Jan Hubicka <jh@suse.cz>
3069 PR tree-optimization/24888
3070 * tree-inline.c (expand_call_inline): Do not re-record variables.
3071 (declare_inline_vars): Add variable to unexpanded_var_list.
3073 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3074 Roger Sayle <roger@eyesopen.com>
3076 PR rtl-optimization/26244
3077 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3078 inner_const are negative or greater than or equal to the bitsize of
3079 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3080 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3081 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3082 CONST0_RTX (mode) when the new shift count is greater than or equal to
3083 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3086 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3088 * tree-cfg.c: Fix a comment typo.
3090 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3093 * varasm.c (output_constant): Give the front end another chance to
3094 expand constants, after stripping NOPs.
3096 2006-08-03 Jan Hubicka <jh@suse.cz>
3098 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3101 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3103 PR tree-optimization/27770
3104 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3105 declaration removed (moved to tree-flow.h).
3106 (vect_can_force_dr_alignment_p): Likewise.
3107 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3108 (moved from tree-vectorizer.h).
3109 (vect_can_force_dr_alignment_p): Likewise.
3110 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3111 from outside the vectorizer - in particular from cgraph stage.
3112 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3113 the alignment of global arrays when -fsection-anchors is enabled.
3114 * cgraphunit.c (cgraph_increase_alignment): New function.
3115 (cgraph_optimize): Call cgraph_increase_alignment.
3117 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3120 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3121 not reload a SPE symbol_ref into a lo_sum address.
3123 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3126 * dwarf2out.c (prune_unused_types_prune): Move call to
3127 prune_unused_types_update_strings to cover the parent DIE also.
3129 2006-08-02 Jan Hubicka <jh@suse.cz>
3131 PR gcov/profile/28480
3132 * tree-cfg.c (change_bb_for_stmt): New function.
3133 (tree_merge_blocks, tree_split_blocks): Use it.
3135 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3141 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3142 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3143 (cgraph_optimize): Likewise.
3145 2006-08-01 Stuart Hastings <stuart@apple.com>
3147 * rtl.h (UINTVAL) New.
3148 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3149 * testsuite/gcc.dg/20060801-1.c: New.
3151 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3154 * c-typeck.c (build_external_type): Mark used enum types.
3155 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3157 (gen_subprogram_die): Whitespace fix.
3159 2006-08-01 Jan Hubicka <jh@suse.cz>
3161 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3162 bitmap when not needed.
3163 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3166 2006-08-01 Dirk Mueller <dmueller@suse.de>
3168 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3170 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3172 * Makefile.in: Revert part of previous patch:
3173 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3176 2006-07-30 Eric Christopher <echristo@apple.com>
3179 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3180 (PowerPC Variable Attributes): New section.
3182 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3184 PR target/28126 (partial fix)
3185 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3187 2006-07-28 Jan Hubicka <jh@suse.cz>
3189 PR rtl-optimization/28071
3190 * cfgrtl.c (rtl_delete_block): Free regsets.
3191 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3193 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3195 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3196 and variables used in dependencies.
3198 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3200 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3201 %fs for -mcmodel=kernel.
3202 (stack_tls_protect_test_di): Likewise.
3204 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3206 * Makefile.in: Use mkinstalldirs.
3208 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3211 * opts-common.c (prune_options): Skip joined switches.
3213 2006-07-27 Jan Hubicka <jh@suse.cz>
3215 PR rtl-optimization/28071
3216 * cselib.c (cselib_process_insn): Don't remove useless values too
3217 often for very large hashtables.
3219 2006-07-27 Jan Hubicka <jh@suse.cz>
3221 PR rtl-optimization/28071
3222 * global.c (greg_obstack): New obstack.
3223 (allocate_bb_info): Use it.
3224 (free_bb_info): Likewise.
3225 (modify_reg_pav): Likewise.
3227 2006-07-27 Roger Sayle <roger@eyesopen.com>
3229 * builtins.c (fold_fixed_mathfn): When long and long long are the
3230 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3231 functions to their lceil*, lfloor*, lround* and lrint* forms.
3233 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3236 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3238 (rev_branch_insn): Likewise.
3240 2006-07-27 Jan Hubicka <jh@suse.cz>
3242 PR rtl-optimization/28071
3243 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3244 (reg_set_in_bb, max_reg_computed): New static variables.
3245 (regmove_optimize): Free the new array.
3246 (fixup_match_1): Update call of reg_is_remote_constant_p.
3248 2006-07-26 Jan Hubicka <jh@suse.cz>
3250 PR tree-optimization/27882
3251 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3253 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3255 (cgraph_analyze_compilation_unit): Likewise.
3256 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3257 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3258 (cgraph_early_inlinine): Make order garbage collected.
3259 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3261 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3263 * dbxout.c (output_types_sort): Add a comment.
3264 (output_used_types): Free the VEC.
3266 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3268 * function.c (reorder_fix_fragments): Delete.
3269 (reorder_blocks): Don't call it.
3270 (reorder_blocks_1): Put all subblocks under the origin block.
3272 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3274 PR rtl-optimization/27907
3275 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3278 2006-07-25 Roger Sayle <roger@eyesopen.com>
3281 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3282 bar(x) check that bar's result type can represent all the values of T.
3284 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3286 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3288 2006-07-25 Nick Clifton <nickc@redhat.com>
3290 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3291 size_lookup[] array.
3292 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3293 (ggc_pch_count_object): Likewise.
3294 (ggc_pch_alloc_object): Likewise.
3295 (ggc_pch_write_object): Likewise.
3296 (init_ggc): Do not attempt to initialize entries in the
3297 size_lookup[] array for objects whose size is greater than than
3298 the length of the array.
3300 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3302 * dbxout.c (output_used_types_helper): Push queued types
3304 (output_types_sort): New.
3305 (output_used_types): Collect used types on a VEC and sort them
3308 2006-07-24 Richard Guenther <rguenther@suse.de>
3311 * cgraph.c (cgraph_remove_node): Do not check if dumps
3313 * cgraphunit.c (cgraph_optimize): Likewise.
3315 2006-07-24 Jan Hubicka <jh@suse.cz>
3317 PR rtl-optimization/28071
3318 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3319 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3320 splitting before first stmt.
3322 2006-07-24 Jan Hubicka <jh@suse.cz>
3324 PR rtl-optimization/28071
3325 * ipa-inline.c (update_caller_keys): Remove edges that
3326 are no longer inline candidates.
3328 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3331 * dbxout.c (output_used_types_helper, output_used_types): New.
3332 (dbxout_symbol): Call output_used_types.
3334 2006-07-23 Jan Hubicka <jh@suse.cz>
3338 * cgraph.c (cgraph_varpool_nodes): Export.
3339 (decide_is_variable_needed): Ignored "used" attribute in
3340 unit-at-a-time mode.
3341 * cgraph.h (cgraph_varpool_nodes): Declare.
3342 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3343 unit-at-a-time mode.
3345 2006-07-23 Roger Sayle <roger@eyesopen.com>
3348 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3349 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3350 the __gthrw form of thr_keycreate.
3351 (__gthread_key_delete): Silence the unused argument warning.
3353 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3356 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3357 Cache the last found '\0' marker to avoid quadratic behavior.
3359 2006-07-23 Jan Hubicka <jh@suse.cz>
3361 * i386.md (subsi_3_zext): Fix output template.
3363 2006-07-21 Mike Stump <mrs@apple.com>
3365 * doc/invoke.texi (C++ Dialect Options): Note that
3366 -fvisibility-inlines-hidden doesn't affect explicitly
3367 instantiationed inline methods.
3369 2006-07-20 Roger Sayle <roger@eyesopen.com>
3371 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3372 if the target assembler is GNU binutils' gas.
3373 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3374 whether to pass GNU gas or native as command line options.
3376 2006-07-20 Jason Merrill <jason@redhat.com>
3378 * tree.c (remove_attribute): New fn.
3379 * tree.h: Declare it.
3381 2006-07-20 Paul Brook <paul@codesourcery.com>
3384 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3385 they are invalidated by this instruction.
3387 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3390 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3392 2006-07-20 Eric Christopher <echristo@apple.com>
3395 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3397 2006-07-19 Eric Christopher <echristo@apple.com>
3399 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3400 Rewrite dependencies for libgcc_s.1.dylib.
3402 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3404 * except.c (duplicate_eh_regions_1): Clear next_peer.
3406 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3408 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3409 -mlongcall does not guarantee all calls will be long.
3410 * doc/extend.texi (long_call/short_call): Document that longcall
3411 does not guarantee a long call will be used.
3412 (longcall/shortcall): Likewise.
3414 2006-07-18 Roger Sayle <roger@eyesopen.com>
3417 * expmed.c (expand_shift): Additionally check that the shift_cost
3418 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3419 before implementing a LSHIFT_EXPR as a sequence of additions.
3420 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3421 middle-end that DImode shifts need to be synthesized by expand.
3423 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3426 * tree-ssa-operands.c (access_can_touch_variable): Update
3428 Return true if ALIAS is .GLOBAL_VAR.
3430 2006-07-18 David Daney <ddaney@avtrex.com>
3432 * gcc.c (display_help): Fix typo in help text.
3434 2006-07-18 Olivier Hainque <hainque@adacore.com>
3436 * tree.h (categorize_ctor_elements): Adjust prototype and add
3437 descriptive comment, both in accordance with the interface change
3439 * varasm.c (constructor_static_from_elts_p): New function.
3440 Whether a constructor node is a valid static constant initializer
3441 if all its elements are.
3442 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3443 * output.h: Declare it.
3444 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3445 is a valid constant initializer instead of computing the number of
3446 non-constant elements. Use constructor_static_from_elts_p for this
3447 purpose. Replace the head comment with an indication that this is a
3448 helper for categorize_ctor_elements.
3449 (categorize_ctor_elements): Same interface change as for the _1
3450 helper. Former head comment from this helper moved here, adjusted to
3451 account for the interface changes.
3452 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3453 (all_zeros_p): Likewise.
3454 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3455 static versions of the constructor from the categorize_ctor_elements
3456 return value instead of the formerly computed number of non-constant
3459 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3461 * configure: Regenerate.
3462 * Makefile.in (build_libsubdir): New configure substitution
3463 (build_libobjdir): New variable.
3464 (BUILD_LIBIBERTY): Use it.
3466 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3469 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3471 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3474 * c-common.c (handle_weakref_attribute): Ignore attribute in
3475 the same conditions the alias attribute is ignored.
3477 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3479 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3480 (dbxout_begin_prologue): Increment scope_labelno.
3482 2006-07-17 Richard Henderson <rth@redhat.com>
3485 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3488 2006-07-17 Roger Sayle <roger@eyesopen.com>
3489 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3491 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3492 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3493 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3494 functions such as sbrk, write, etc.. Add function prototypes.
3495 Convert function declarations from K&R to ISO C. Cast pointers
3496 to "long" and "unsigned long" instead of "int" and "unsigned int".
3497 Convert tokens following #endif into comments.
3499 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3501 * invoke.texi: Remove mention of f77; Reformat table for
3502 inline parameter options correctly; mention that -malign-double
3503 is default on x86-64 targets.
3505 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3507 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3508 (convert_affine_scev, chrec_convert_aggressive): Use
3509 avoid_arithmetics_in_type_p. Do not check for the subtypes
3512 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3515 * optabs.c (expand_doubleword_shift): Wrap the call to
3516 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3518 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3521 * optabs.c (expand_binop): Pass next_methods rather than methods
3522 to expand_doubleword_shift.
3524 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3527 * tree.h (dump_addr): Declare.
3528 * print-tree.c (dump_addr): New function.
3529 (print_node_brief, print_node): Use it.
3530 * print-rtl.c (print_rtx): Likewise.
3531 * common.opt (-fdump-noaddr): New option.
3532 * doc/invoke.texi (-fdump-noaddr): Document.
3533 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3534 (ve_info_hash): Likewise.
3536 2006-07-13 Andrew Haley <aph@redhat.com>
3538 PR tree-optimization/19505
3539 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3540 edge leaving this block, make sure that the destination of this
3541 block has only one predecessor.
3543 2006-07-17 Richard Guenther <rguenther@suse.de>
3545 PR tree-optimization/28238
3546 * tree-inline.c (copy_bb): Check if we produced valid
3547 gimple copying and substituting a stmt. If not, gimplify
3550 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3552 * optabs.c (maybe_encapsulate_block): New function extracted from...
3553 (emit_libcall_block): ...here. Invoke it on the block of insns to
3554 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3555 (emit_no_conflict_block): Likewise.
3557 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3559 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3561 2006-07-15 Roger Sayle <roger@eyesopen.com>
3563 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3564 a new NOP_EXPR case of the switch statement.
3566 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3569 * stor-layout.c (place_field): Take the bit field with
3570 an excessive size into account in the ms-bitfiled case.
3573 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3574 the previous bit field.
3576 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3579 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3581 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3583 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3584 signal frames correctly even when the signal was installed with
3587 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3589 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3590 (dbxout_function_end): Use local label LFBB. Remove hook
3592 (dbxout_source_line): Use local label LFBB.
3593 (dbxout_block): Likewise.
3594 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3595 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3596 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3597 and DBX_OUTPUT_NFUN.
3599 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3601 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3603 2006-07-13 Jan Hubicka <jh@suse.cz>
3605 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3607 * output.h (align_variable): Declare.
3608 * varasm.c (align_variable): Export.
3609 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3610 when basic block changed.
3612 2006-07-13 Nick Clifton <nickc@redhat.com>
3614 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3615 walking the LOG_LINKS chain.
3617 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3619 * doc/invoke.texi (C++ Dialect Options): Explain difference
3620 between -fvisibility-inlines-hidden and setting hidden
3621 visibility explicitly.
3623 2006-07-12 Eric Christopher <echristo@apple.com>
3625 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3626 (stmp-lipo): Depend on libgcc.a.
3628 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3630 * tree.c: Fix a comment typo.
3632 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3634 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3636 (umulhisi3_r): Likewise.
3638 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3641 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3642 x < 19, vs wchar_t support.
3644 2006-07-12 Nick Clifton <nickc@redhat.com>
3646 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3647 instead of -isa=sh4.
3649 2006-07-12 Mike Stump <mrs@apple.com>
3651 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3653 2006-07-10 Eric Christopher <echristo@apple.com>
3655 * config/t-slibgcc-darwin: Rewrite.
3657 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3660 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3663 2006-07-08 Matthias Klose <doko@debian.org>
3665 * doc/sourcebuild.texi: Fix typo.
3667 2006-07-07 Mike Stump <mrs@apple.com>
3669 * toplev.c (process_options): Don't give -ffunction-sections may
3670 affect debugging warning for Mach-O.
3672 2006-07-07 James E Wilson <wilson@specifix.com>
3674 * config/mips/mips.md (cpu): Add sb1a.
3675 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3676 addition to sb1. Adjust comments to clarify SB-1A differences from
3678 (ir_sb1a_load): New. Modify bypasses to use it.
3679 (ir_sb1a_simple_alu): Likewise.
3680 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3681 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3682 (mips_issue_rate): Add PROCESSOR_SB1A.
3683 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3684 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3685 (TARGET_SB1): Add PROCESSOR_SB1A check.
3686 (TUNE_SB1): Likewise.
3688 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3689 * config/mips/mips.c (mips_store_data_bypass_p): New.
3690 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3691 store_data_bypass_p.
3693 2006-07-08 Paul Brook <paul@codesourcery.com>
3696 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3698 2006-07-07 Richard Guenther <rguenther@suse.de>
3701 * tree.h (build_one_cst): Declare.
3702 * tree.c (build_one_cst): New function.
3703 * tree-ssa-math-opts.c (get_constant_one): Remove.
3704 (insert_reciprocals): Use build_one_cst.
3705 * fold-const.c (fold_plusminus_mult): Likewise.
3707 2006-07-07 Roger Sayle <roger@eyesopen.com>
3709 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3710 * cfgloopanal.c (dump_graph): Likewise.
3711 * dojump.c (discard_pending_stack_adjust): Likewise.
3712 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3714 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3715 * function.c (finalize_block_changes): Likewise.
3716 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3717 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3718 * rtl.c (dump_rtx_statistics): Likewise.
3719 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3721 * varray.c (dump_varray_statistics): Likewise.
3722 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3723 decode_decimal64, encode_decimal128, decode_decimal128,
3724 decimal_real_to_decimal): Likewise.
3726 2006-07-07 Richard Guenther <rguenther@suse.de>
3728 PR tree-optimization/28187
3729 * tree-vrp.c (vrp_operand_equal_p): New function.
3730 (vrp_bitmap_equal_p): Likewise.
3731 (update_value_range): Use them to compare old and new
3734 2006-07-06 Roger Sayle <roger@eyesopen.com>
3736 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3737 a default case to switch statement to silence compiler warnings.
3739 2006-07-06 Roger Sayle <roger@eyesopen.com>
3742 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3743 the configured assembler supports the x87's ffreep mnemonic.
3744 * configure: Regenerate.
3745 * config.in: Regenerate.
3747 * config/i386/i386.c (output_387_ffreep): New function.
3748 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3749 (output_387_reg_move): Likewise.
3751 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3753 Port to hosts whose 'sort' and 'tail' implementations
3754 treat operands with leading '+' as file names, as POSIX
3755 has required since 2001. However, make sure the code still
3756 works on pre-POSIX hosts.
3757 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3758 which says you should use "tail -c +N" rather than "tail +Nc".
3759 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3761 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3763 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3766 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3769 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3770 PRE_{INC,DEC} of TFmode.
3772 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3773 Alan Modra <amodra@bigpond.net.au>
3776 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3779 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3782 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3783 Remove duplicate gtu.
3785 2006-07-05 Jason Merrill <jason@redhat.com>
3789 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3790 * c-common.c (handle_packed_attribute): So don't copy it here.
3791 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3793 2006-07-05 Mike Stump <mrs@apple.com>
3795 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3797 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3800 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3802 2006-07-05 Richard Guenther <rguenther@suse.de>
3805 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3806 TARGET_SSE2 targets if using SSE math.
3807 (*absdf2_1): Likewise.
3809 2006-07-05 Richard Guenther <rguenther@suse.de>
3811 PR tree-optimization/28162
3812 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3813 make sure to convert the operands to the correct type.
3815 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3817 PR tree-optimization/28218
3819 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3820 to calculate and free the dominator information.
3822 2006-07-04 Peter O'Gorman <peter@pogma.com>
3824 * mklibgcc.in: chmod 644 before ranlib during install.
3826 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3827 J"orn Rennecke <joern.rennecke@st.com>
3829 * configure.ac (.eh_frame data check): Use diff -b.
3831 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3834 * Makefile.in (BUILD_RTL): Add build/vec.o.
3835 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3836 (build/genextract): Delete.
3837 (build/genautomata): Likewise.
3839 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3842 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3843 128-bit IBM long doubles for ABI_V4.
3845 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3847 * tree.c (range_in_array_bounds_p): New predicate.
3848 * tree.h (range_in_array_bounds_p): Declare it.
3849 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3850 return a less conservative answer.
3851 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3852 and flag 'is_group'.
3853 (IS_ELEMENT_FOR_GROUP): New macro.
3854 (FOR_EACH_ACTUAL_CHILD): Likewise.
3855 (next_child_for_group): New helper function.
3856 (can_completely_scalarize_p): Take into account groups.
3857 (sra_hash_tree): Handle RANGE_EXPR.
3858 (sra_elt_eq): Likewise.
3859 (lookup_element): Be prepared for handling groups.
3860 (is_valid_const_index): Delete.
3861 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3862 instead of is_valid_const_index.
3863 <ARRAY_RANGE_REF>: New case.
3864 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3865 is_valid_const_index.
3866 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3867 (scan_dump): Dump info for groups too.
3868 (decide_instantiation_1): Likewise.
3869 (decide_block_copy): Assert that the element is not a group.
3870 Propagate decision to groups.
3871 (generate_one_element_ref): Handle RANGE_EXPR.
3872 (mark_no_warning): Iterate over actual childs.
3873 (generate_copy_inout): Likewise.
3874 (generate_element_copy): Likewise.
3875 (generate_element_zero): Likewise.
3876 (generate_element_init_1): Likewise.
3877 (dump_sra_elt_name): Handle RANGE_EXPR.
3879 2006-07-03 Roger Sayle <roger@eyesopen.com>
3881 PR tree-optimization/26251
3882 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3883 (thread_block): When optimizing for size refuse to thread jumps
3884 that would require duplication of blocks other than redirection
3887 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3889 * configure.ac: Fix thinko in previous check-in.
3890 * configure: Regenerate.
3892 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3895 * configure.ac (for lang...): Simplify nesting of conditionals.
3896 Test subdir_requires for non-enabled languages. Move processing
3897 of lang_opt_files and lang_tree_fiels below that test.
3898 * configure: Regenerate.
3899 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3901 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3903 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3905 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3907 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3910 2006-06-29 Jason Merrill <jason@redhat.com>
3917 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3918 * c-common.c (c_determine_visibility): Handle it here.
3919 * c-decl.c (finish_decl): Call c_determine_visibility for
3921 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3923 * varasm.c (default_assemble_visibility): Likewise.
3924 * c-common.c (handle_visibility_attribute): Complain about trying
3925 to give visibility to an already defined class, or trying to change
3926 declared visibility. Always attach the attribute.
3931 * attribs.c (decl_attributes): Ignore type-in-place attributes
3932 once the type has been defined.
3934 2006-06-29 Roger Sayle <roger@eyesopen.com>
3937 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3938 to indicate the cpplib has issued an error message for us.
3940 2006-06-29 Asher Langton <langton2@llnl.gov>
3943 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3944 insert a label at the end of an function under Mach-O.
3946 2006-06-29 Eric Christopher <echristo@apple.com>
3947 Evan Cheng <evan.cheng@apple.com>
3949 * predicates.md (vector_all_ones_operand): New.
3950 (nonimmediate_or_sse_const_operand): Ditto.
3951 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3952 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3953 (standard_sse_mode_p): Ditto.
3954 (standard_sse_constant_p): Add case for -1 vector.
3955 (ix86_expand_vector_move): Try to use.
3956 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3957 Call standard_sse_constant_opcode.
3958 (*movv4sf_internal): Ditto.
3959 (*movv2df_internal): Ditto.
3961 2006-06-29 Roger Sayle <roger@eyesopen.com>
3963 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3964 of XEXP to extract the operands of a MATCH_CODE rtx.
3966 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3968 * tree.c (tree_size): Do not waste tail padding in
3969 struct tree_string and make the size be the same as
3970 build_string will generate.
3972 2006-06-28 Jason Merrill <jason@redhat.com>
3975 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3976 may_aliases already in the tag's annotations to the bitmap.
3978 2006-06-28 Roger Sayle <roger@eyesopen.com>
3980 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3982 2006-06-28 Roger Sayle <roger@eyesopen.com>
3984 * genpreds.c (generate_switch_p): New function.
3985 (add_mode_tests): Push the new mode test down inside an AND expr
3986 if this allows the switch-suitable MATCH_CODE to be near the root.
3987 (write_match_code_switch): New function to write a MATCH_CODE as
3989 (write_predicate_stmts): New function to write a predicate RTX
3990 expression as a sequence of statements.
3991 (write_one_predicate_function): Use write_predicate_stmts.
3992 (write_tm_constrs_h): Likewise.
3994 2006-06-26 Fred Fish <fnf@specifix.com>
3996 * config/mips/t-sb1: New file.
3997 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4000 2006-06-26 DJ Delorie <dj@redhat.com>
4002 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4004 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4005 Jayant Sonar <jayants@kpitcummins.com>
4006 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4008 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4009 (subsi3, subsi3_1, subsi3_2): New.
4010 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4011 * config/m32c/mov.md (SI mov peephole): New.
4012 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4013 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4015 2006-06-26 Olivier Hainque <hainque@adacore.com>
4017 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4018 a CALL_EXPR target function declaration.
4020 2006-06-26 Richard Guenther <rguenther@suse.de>
4022 * tree.c (build_string): Do not waste tail padding in
4025 2006-06-26 Richard Guenther <rguenther@suse.de>
4027 * ggc-page.c (init_ggc): Add missing element to size_lookup
4031 2006-06-23 Richard Guenther <rguenther@suse.de>
4033 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4034 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4035 alignment requests instead. Add verification code.
4036 Add struct tree_function_decl and struct tree_binfo size to
4037 extra_order_size_table. Add missing element to size_lookup
4040 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4043 * fold-const.c (const_binop): Be prepared for self returning zero.
4044 Simplify code handling complex values.
4046 2006-06-24 Olivier Hainque <hainque@adacore.com>
4048 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4049 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4052 2006-06-24 Olivier Hainque <hainque@adacore.com>
4054 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4055 ARRAY_REF, so have the callback called for the low bound expression.
4057 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4059 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4060 * c-typeck.c (c_common_type): Disallow operations on decimal float
4061 types and other float types.
4062 * convert.c (convert_to_real): Don't ignore conversions involving
4063 decimal float types.
4065 2006-06-23 Olivier Hainque <hainque@adacore.com>
4067 * tree.c (max_int_size_in_bytes): New function, inspired from
4068 code in function.c:assign_temp.
4069 * tree.h (max_int_size_in_bytes): Declare.
4070 * function.c (assign_temp): Use it.
4071 * gimplify.c (create_tmp_var): Relax the assertions on the type
4072 properties, not mandating constant size any more.
4073 (force_constant_size): New static function.
4074 (gimple_add_tmp_var): Use it, forcing variable size to a
4075 constant upper bound if it is not constant on entry.
4077 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4080 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4081 for initialization and setting of one_only flag to ...
4082 (i386_pe_encode_section_info): ...here.
4083 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4084 Recheck that the symbol has not been defined.
4086 2006-06-23 Richard Guenther <rguenther@suse.de>
4088 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4089 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4090 alignment requests instead. Add verification code.
4091 Add struct tree_function_decl and struct tree_binfo size to
4092 extra_order_size_table. Add missing element to size_lookup
4095 2006-06-22 Roger Sayle <roger@eyesopen.com>
4096 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4099 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4100 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4102 2006-06-23 Ben Elliston <bje@au.ibm.com>
4104 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4105 negate dn -- manipulate it directly.
4107 2006-06-22 Roger Sayle <roger@eyesopen.com>
4108 Steven Bosscher <stevenb.gcc@gmail.com>
4111 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4112 generated by gen_move_insn to add REG_LABEL notes if necessary.
4114 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4116 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4117 (leaf_entry): Remove use of MIN_ESA.
4119 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4121 PR rtl-optimization/28121
4122 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4125 2006-06-21 DJ Delorie <dj@redhat.com>
4127 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4129 (mulhisi3_r): Likewise.
4131 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4134 * coverage.c (coverage_counter_alloc): Leave the index type
4136 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4139 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4141 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4142 section from the "Options for Code Generation Conventions".
4144 2006-06-21 Richard Henderson <rth@redhat.com>
4148 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4150 (global_symbolic_operand): Allow weak symbols, even if local_p.
4152 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4154 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4155 (find_interesting_uses_address): Punt if above function returns true.
4157 2006-06-21 Richard Guenther <rguenther@suse.de>
4159 * configure: Regenerated.
4161 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4163 * config/mips/mips.c (function_arg): Where one part of a
4164 complex argument is in registers and the other part in the stack,
4165 return a REG not a PARALLEL.
4167 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4169 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4170 when cross-compiling. Do not substitute libstdcxx_incdir.
4171 * configure: Regenerated.
4173 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4175 * varasm.c (mergeable_string_section): Check for embedded NULs and
4176 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4177 rather than TREE_STRING_LENGTH bytes.
4179 2006-06-21 Richard Guenther <rguenther@suse.de>
4181 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4182 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4185 2006-06-21 Richrad Guenther <rguenther@suse.de>
4187 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4188 Limit iteration over the dominators.
4190 2006-06-20 Roger Sayle <roger@eyesopen.com>
4192 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4193 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4195 2006-06-20 Richard Guenther <rguenther@suse.de>
4196 Michael Matz <matz@suse.de>
4198 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4200 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4201 * et-forest.h (et_free_pools): Prototype new function.
4202 * et-forest.c (et_free_tree_force): Free parent occurrence.
4203 (et_free_pools): New function.
4204 * dominance.c (free_dominance_info): Free et-forest alloc
4207 2006-06-20 Roger Sayle <roger@eyesopen.com>
4209 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4210 integer modes, attempt to directly construct an integer constant.
4212 * fold-const.c (native_encode_vector): Determine the size of each
4213 element from the vector type instead of the first vector element.
4215 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4216 if all of its elements/components are constant.
4217 (build_constructor_from_list): Likewise.
4219 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4221 PR tree-optimization/27331
4222 * tree-data-ref.c (free_data_ref): New function.
4223 (create_data_ref): Fail if the data reference has unknown access
4225 (free_data_refs): Use free_data_ref.
4227 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4230 * tree-inline.c (setup_one_parameter): Strip useless
4231 type conversion before adding it to the IR.
4232 (declare_return_variable): Likewise.
4234 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4237 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4239 2006-06-19 Mike Stump <mrs@apple.com>
4241 * tree.c (variably_modified_type_p): VM arguments don't make the
4244 2006-06-19 Richard Guenther <rguenther@suse.de>
4246 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4247 type conversions after folding.
4249 2006-06-19 Richard Guenther <rguenther@suse.de>
4251 * ggc-page.c (extra_order_size_tab): Add entries with
4252 size of struct function and basic_block.
4253 (size_lookup): Extend to cover sizes up to 511.
4254 (ggc_alloc_stat): Adjust user.
4255 (ggc_pch_count_object): Likewise.
4256 (ggc_pch_alloc_object): Likewise.
4257 (ggc_pch_write_object): Likewise.
4259 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4261 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4262 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4265 2006-06-19 Denis Chertykov <denisc@overta.ru>
4267 * config/avr/libgcc.S : Correct my wrong previous commit.
4269 2006-06-19 Roger Sayle <roger@eyesopen.com>
4272 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4273 have stripped a SUBREG from the shift count, so we may need to
4274 convert_to_mode back to the type's mode before calling make_tree.
4275 Use new_amount instead of amount to avoid expanding a tree twice.
4277 2006-06-19 Richard Guenther <rguenther@suse.de>
4280 * fold-const.c (operand_equal_p): Check if the argument types
4281 have the same precision before stripping NOPs.
4283 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4285 Fix PR tree-optimization/27341
4286 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4288 * tree-complex.c (pass_lower_complex): Update SMT usage.
4290 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4292 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4293 Add a new alternative to the constraint strings. Add move of
4294 operand 1 to 3 to the splitter definition.
4295 ("doloop_si_long"): Second contraint alternative removed.
4297 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4299 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4300 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4302 (AVR_HAVE_MOVW) Define.
4303 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4304 (ASM_SPEC): Add avr25.
4305 (LINK_SPEC): Add avr25.
4306 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4307 (base_arch_s): Add new member 'have_movw_lpmx'.
4308 (avr_arch_types): Init 'have_movw_lpmx'.
4309 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4310 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4311 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4312 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4313 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4315 (avr_file_start): Do not output '.arh' derective.
4316 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4317 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4318 * config/avr/avr.md (mcu_enhanced): Delete.
4319 (mcu_have_movw): Define.
4320 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4321 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4322 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4323 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4324 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4325 attiny861 and at86rf401 devices.
4327 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4329 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4332 2006-06-17 Karl Berry <karl@gnu.org>
4334 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4335 doc/gccint.texi, doc/install.texi (@dircategory): Use
4336 "Software development" instead of "Programming", following
4337 the Free Software Directory.
4339 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4341 * config/i386/i386.c (legitimate_tls_address)
4342 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4343 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4344 (*tls_dynamic_gnu2_combine_64): Likewise.
4346 2006-06-16 Richard Guenther <rguenther@suse.de>
4349 * fold-const.c (negate_expr_p): Do not introduce undefined
4350 overflow in negating INTEGER_CSTs.
4351 (fold_negate_expr): Rename from negate_expr. Revert last
4352 change for folding BIT_NOT_EXPR. Change semantics to
4353 return NULL_TREE for non-simplified negations. Do not
4354 strip type conversions and unify type handling.
4355 (negate_expr): New function, wrap around fold_negate_expr
4356 but ensure building a tree always. Strip type conversions
4357 here, fold to result type.
4358 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4360 2006-06-16 Roger Sayle <roger@eyesopen.com>
4363 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4364 that (would) return their results in stack registers.
4366 2006-06-16 Michael Matz <matz@suse.de>
4367 Richard Guenther <rguenther@suse.de>
4369 * fold-const.c (fold_truthop): Only return new tree node if
4370 we canonicalized something.
4372 2006-06-16 Richard Guenther <rguenther@suse.de>
4374 * function.h (enum function_frequency): Move declaration
4375 out of struct function.
4376 (struct function): Move bool fields and the enum to the bitfield
4377 section. Reorder elements to avoid padding. Remove unused
4378 fields left over from the RTL inliner removal.
4379 * function.c (free_after_compilation): Do not zero removed fields.
4380 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4381 (ipa-type-escape.o): Likewise.
4383 2006-06-16 Richard Guenther <rguenther@suse.de>
4385 * cgraph.h (struct cgraph_local_info): Turn bool elements
4387 (struct cgraph_node): Likewise.
4388 (struct cgraph_varpool_node): Likewise.
4390 2006-06-15 Richard Guenther <rguenther@suse.de>
4392 * fold-const.c (fold_truth_not_expr): Rename from
4393 invert_truthvalue. Give it fold_* semantics to avoid
4395 (invert_truthvalue): New function. Wrapper around
4396 fold_truth_not_expr.
4397 (optimize_minmax_comparison): Avoid creating garbage.
4398 (fold_unary): Use fold_truth_not_expr for folding
4400 (fold_ternary): Replace uses of invert_truthvalue with
4401 fold_truth_not_expr where applicable.
4402 * tree.h (fold_truth_not_expr): Prototype.
4404 2006-06-16 Richard Guenther <rguenther@suse.de>
4406 PR tree-optimization/27781
4407 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4408 * ipa-pure-const.c (target.h): Include.
4409 (analyze_function): Do not analyze functions that do not
4412 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4415 * tree-dfa.c (referenced_vars_dup_list): Remove.
4416 (find_referenced_vars): Remove assert.
4417 (referenced_var_check_and_insert): Replace dup list with assert.
4418 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4419 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4421 2006-06-15 Richard Guenther <rguenther@suse.de>
4423 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4424 extra unused identifiers if not dumping.
4425 (create_variable_info_for): Likewise.
4427 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4429 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4430 (derive_constant_upper_bound): Derive more precise upper bound in
4431 common cases. Return type changed to double_int.
4432 (record_estimate): Reflect the changed return type of
4433 derive_constant_upper_bound.
4434 * double-int.c (double_int_zext, double_int_sext): Fix.
4436 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4438 * configure.ac (CFLAGS): Get them from the toplevel or from the
4439 configure invocation.
4440 * configure: Regenerate.
4441 * Makefile.in (CFLAGS): Substitute value provided by configure.
4443 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4446 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4447 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4448 rather than calling add_stmt on it.
4449 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4451 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4454 * reload1.c (reload): Remove registers returned by update_eliminables
4455 from used_spill_regs.
4457 2006-06-13 DJ Delorie <dj@redhat.com>
4459 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4461 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4463 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4464 html__strip_dir, html__mkdir_p. Enhance install-html target.
4465 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4466 * configure: Regenerate.
4468 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4470 * fold-const.c (fold_cond_expr_with_comparison): Check for
4471 Objective-C++ as language in deciding COND_EXPR transformation.
4473 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4476 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4477 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4478 * config/sh/lib1funcs.h (SL, SL1): Define.
4479 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4480 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4481 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4482 (OBJS_Os_4_200): New variable.
4483 ($(T)libgcc-Os-4-200.a): Use it.
4484 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4485 when dividing 1 and/or by 0.
4487 2006-06-13 Roger Sayle <roger@eyesopen.com>
4489 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4490 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4491 * configure: Regenerate.
4493 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4495 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4496 for real instruction.
4498 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4501 * haifa-sched.c (check_cfg): Handle special case.
4503 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4506 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4507 Add debug_info parameter. Chain the vars to the BLOCK instead
4508 of the BIND_EXPR if debug info are requested for them.
4509 (pop_gimplify_context): Adjust for above change.
4510 (gimple_add_tmp_var): Likewise.
4511 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4513 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4514 (convert_local_reference): Likewise.
4515 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4516 (finalize_nesting_tree_1): Request that debug info be emitted
4517 for debug_var_chain.
4519 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4521 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4522 for PR target/27863.
4524 2006-06-13 Richard Guenther <rguenther@suse.de>
4527 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4529 2006-06-13 Richard Guenther <rguenther@suse.de>
4531 PR tree-optimization/27830
4532 * tree-inline.c (copy_body_r): For copying the operand
4533 of an ADDR_EXPR make sure to fold &* afterwards.
4535 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4537 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4538 lvalues in the fb_none case with side-effects.
4540 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4542 * tree-flow.h: Remove the prototype for
4543 compute_phi_arg_on_exit.
4544 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4545 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4548 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4550 * builtins.c (expand_builtin_return_addr): Only use
4551 frame_pointer_rtx when count == 0 and we are expanding
4552 __builtin_return_address.
4554 2006-06-12 Fred Fish <fnf@specifix.com>
4556 * config/mips/mips.c (mips_file_start): Create special section
4557 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4559 2006-06-11 Eric Christopher <echristo@apple.com>
4562 * stor-layout.c (place_field): Remove check for
4563 remaining_in_alignment when aligning at the end of a run.
4565 2006-06-11 Eric Christopher <echristo@apple.com>
4568 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4571 2006-06-11 Roger Sayle <roger@eyesopen.com>
4574 Revert incorrect fix for PR target/27158
4575 2006-05-08 Roger Sayle <roger@eyesopen.com>
4576 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4577 of a reg_equiv_constant if the result is a legitimate constant.
4579 2006-06-11 Roger Sayle <roger@eyesopen.com>
4582 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4583 extract a CONST_VECTOR element and interpret it as an integer.
4584 (vspltis_constant): Use const_vector_elt_as_int instead of the
4585 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4586 * config/rs6000/predicates.md (easy_vector_const): Consider
4587 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4589 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4592 * stor-layout.c (update_alignment_for_field): Don't add extra
4593 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4596 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4598 * config/mips/t-rtems: Add EL/EB multilib variants.
4600 2006-06-09 Mike Stump <mrs@apple.com>
4602 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4604 2006-06-09 David Daney <ddaney@avtrex.com>
4606 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4608 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4610 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4612 2006-06-09 Richard Guenther <rguenther@suse.de>
4614 PR tree-optimization/26998
4615 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4616 of signed types, only TYPE_MIN_VALUE is special, but for both,
4617 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4618 in this case, as is -fwrapv.
4620 2006-06-08 Mike Stump <mrs@apple.com>
4623 * config/darwin.c (darwin_asm_output_anchor): Disable
4624 -fsection-anchors on darwin for now.
4625 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4626 * rs6000/rs6000.c (optimization_options): Likewise.
4628 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4631 * config/i386/i386.c (classify_argument): Skip fields with invalid
4634 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4636 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4637 (cse_insn): Likewise for the stack_pointer_rtx.
4639 2006-06-08 Roger Sayle <roger@eyesopen.com>
4641 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4642 conditions from floating point comparisons.
4644 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4647 * expmed.c (struct alg_hash_entry): Fix type of field T
4648 to match synth_mult argument.
4649 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4651 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4654 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4657 2006-06-08 Richard Guenther <rguenther@suse.de>
4660 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4661 only, if overflow is defined and not trapping.
4662 (negate_expr): Likewise.
4664 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4666 PR tree-optimization/27872
4667 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4668 flag on the new exit edge of the unrolled loop.
4670 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4672 PR rtl-optimization/26449
4673 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4675 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4678 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4679 referenced_variables with matching DECL_UID's.
4680 (find_referenced_vars): Make sure duplicate list is empty to start.
4681 (referenced_var_p): Remove.
4682 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4683 Check if var is in the list, and add if needed. Update the duplicate
4684 list if a different var is in the list with the same DECL_UID.
4685 (add_referenced_var): Call routine to check and insert.
4686 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4687 * tree-flow.h (referenced_vars_dup_list): External declaration.
4689 2006-06-07 Fred Fish <fnf@specifix.com>
4691 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4694 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4697 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4698 the imaginary and real parts of a clobbered register.
4699 Emit insn to set the imaginary part.
4701 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4703 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4704 in lieu of unwind-dw2-fde.c.
4706 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4708 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4710 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4713 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4714 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4715 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4716 V4SImode temporaries and operations instead.
4718 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4720 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4723 2006-06-06 Mike Stump <mrs@apple.com>
4725 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4726 installing during build.
4728 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4730 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4732 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4733 * config/ia64/ia64.c (params.h): New header.
4734 (ia64_optimization_options): New function to adjust parameters.
4735 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4736 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4737 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4739 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4741 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4743 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4746 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4748 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4749 Victor Kaplansky <victork@il.ibm.com>
4751 PR tree-optimization/26360
4752 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4755 2006-06-04 Roger Sayle <roger@eyesopen.com>
4756 Andrew Pinski <pinskia@physics.uc.edu>
4759 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4760 for LABEL_DECL before calling DECL_WEAK.
4763 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4764 LABEL_DECL and PARM_DECL.
4766 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4770 * c-decl.c (grokdeclarator): Disallow variably modified types at
4771 file scope. Avoid marking shared array type of constant size as
4774 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4777 * c-common.c (fold_offsetof_1): Handle static members.
4779 2006-06-04 Eric Christopher <echristo@apple.com>
4781 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4782 (debug_rli): Output value for remaining_in_alignment.
4783 (update_alignment_for_field): Unconditionalize
4784 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4785 extra alignment code.
4786 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4787 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4788 * tree.h (record_layout_info_s): Remove prev_packed.
4789 * doc/extend.texi (ms_struct): Add documentation of format.
4791 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4793 * tree.h: Declare folding_initializer.
4794 * builtins.c (fold_builtin_constant_p): Give definite answer
4795 if folding inside an initializer.
4796 * fold-const.c: Define folding_initializer.
4797 (START_FOLD_INIT): Save and then set folding_initializer.
4798 (END_FOLD_INIT): Restore folding_initializer.
4800 2006-06-04 Richard Guenther <rguenther@suse.de>
4802 PR tree-optimization/27039
4803 * fold-const.c (fold_comparison): Handle pointer comparison
4804 again for all comparison codes. Compare offsets in signed
4806 (fold_binary): Move code from here.
4808 2006-06-03 Roger Sayle <roger@eyesopen.com>
4811 * config/i386/i386.c (construct_container): Split static issued_error
4812 flag into issued_sse_arg_error, issued_sse_ret_error and
4813 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4814 requires the use of x87 registers and the user explicitly
4815 specified the -mno-80387 command line option.
4817 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4819 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4820 HAVE_DECL_SIGALTSTACK.
4822 (segv_handler): Use MC_FLD.
4823 * configure.ac: Check for a sigaltstack declaration.
4824 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4825 * configure: Regenerate.
4826 * config.in: Regenerate.
4828 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4831 * Makefile.in (stmp-fixinc): Fix typo.
4833 2006-06-02 Roger Sayle <roger@eyesopen.com>
4835 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4836 are type correct. Clean-up.
4837 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4838 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4840 2006-06-01 DJ Delorie <dj@redhat.com>
4842 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4843 shift, as we've disabled the "switch" insn that needs it.
4845 2006-06-01 Per Bothner <bothner@bothner.com>
4847 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4848 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4849 * c-ppoutput.c (cb_define): Don't increment line 0.
4851 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4853 * doc/invoke.texi: Add cpu_type power6.
4854 * config.gcc: Add cpu_type power6.
4855 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4856 to power5+ with Altivec.
4857 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4858 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4860 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4862 * config/avr/avr.h (SET_ASM_OP): Define.
4864 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4866 * config/bfin/bfin.c: Fix comment typos.
4868 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4871 * doc/install.texi: Document --enable-bootstrap and
4872 --disable-bootstrap.
4874 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4876 * doc/install.texi: Document that InfoZIP can replace jar.
4878 2006-05-31 Roger Sayle <roger@eyesopen.com>
4880 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4881 isn't available, directly generate the simpler x87 patterns without
4882 the (use (const_int 0)).
4883 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4884 implementation isn't available.
4885 (*negdf2_1): Likewise.
4886 (*negxf2_1): XF mode negation is always done using the x87.
4887 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4889 2006-05-31 Roger Sayle <roger@eyesopen.com>
4891 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4892 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4894 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4896 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4898 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4899 * config/bfin/bfin.c (basic-block.h): Include.
4900 (struct machine_function): New.
4901 (bfin_init_machine_status): New.
4902 (override_options): Initialize init_machine_status.
4903 (bfin_hardware_loop): New.
4904 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4905 (DEF_VEC_P (loop_info)): New.
4906 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4907 (struct loop_info): New.
4908 (loop_info): New typedef.
4909 (struct loop_work): New.
4910 (loop_work): New typedef.
4911 (DEF_VEC_O (loop_work)): New.
4912 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4913 (bfin_dump_loops): New.
4914 (bfin_bb_in_loop): New.
4915 (bfin_scan_loop): New.
4916 (bfin_optimize_loop): New.
4917 (bfin_reorg_loops): New.
4918 (bfin_reorg): Use bfin_reorg_loops.
4919 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4921 (I_REGNO_P): Simplify.
4922 (DP_REGNO_P, DPREG_P): New macros.
4923 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4924 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4925 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4926 Add LT_REGS, LC_REGS, LB_REGS.
4927 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4929 (REGNO_REG_CLASS): Deal with loop registers.
4930 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4932 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4933 New constants for loop registers.
4934 (UNSPEC_LSETUP_END): New.
4935 (seq_insns): New define_attr. Set it for appropriate insns.
4936 (movsi_insn): Add alternatives for move from/to
4937 loop count registers.
4938 (doloop_end): New define_expand.
4939 (loop_end): New define_insn.
4940 (define_split for bad doloop_end): New.
4941 (lsetup_with_autoinit): New define_insn.
4942 (lsetup_without_autoinit): New define_insn.
4943 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4944 * config/bfin/predicates.md (lc_register_operand): New.
4945 (lt_register_operand): New.
4946 (lb_register_operand): New.
4947 (nondp_register_operand): New.
4948 (nondp_reg_or_memory_operand): New.
4949 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4951 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4953 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4954 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4956 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4958 * Makefile.in (CATALOGS): Add po/ prefix.
4959 * configure: Regenerated.
4961 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4964 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4965 a shift operand before calling shift_op. Avoid redundant call of
4968 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4969 DJ Delorie <dj@redhat.com>
4971 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4972 we're inserting is a singlt-bit constant.
4974 2006-05-30 Roger Sayle <roger@eyesopen.com>
4976 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4977 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4979 2006-05-30 Roger Sayle <roger@eyesopen.com>
4981 PR tree-optimization/23452
4982 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4983 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4984 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4985 complex values and with -ffast-math for FP complex values.
4987 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4989 * c-common.h: Remove the prototype for yyparse.
4990 * rtl.h: Remove the prototype for init_loop.
4992 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4994 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4997 2006-05-30 Roger Sayle <roger@eyesopen.com>
4999 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5001 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5002 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5004 2006-05-30 Dirk Mueller <dmueller@suse.de>
5007 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5008 for CONSTANT_CLASS_P expresisons.
5010 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5013 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5015 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5017 PR tree-optimization/27779
5018 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5019 initial_condition instead of CHREC_LEFT.
5021 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5023 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5024 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5025 Make prototypes ISO C90.
5027 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5028 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5030 * see.c (see_analyze_one_def): Correct check.
5031 (see_get_extension_data): Check if extension is parallel.
5032 (see_get_extension_reg): Likewise.
5034 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5037 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5038 into register for (code == GTU).
5040 2006-05-29 Roger Sayle <roger@eyesopen.com>
5042 PR tree-optimization/24964
5043 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5044 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5045 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5046 abs(x)*abs(x) as x*x for scalar floating point modes.
5048 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5051 * lambda-code.c (perfect_nestify): Don't copy statements
5052 in the inner loop: move them to the inner loop header.
5054 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5057 * c-tree.texi: Document OpenMP directives and clauses.
5059 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5061 * varasm.c (globalize_decl): Fix indentation.
5063 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5066 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5067 pass_fre, pass_store_ccp, pass_copy_prop,
5068 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5069 pass_return_slot, pass_object_size, pass_lim,
5070 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5071 pass_loop_prefetch and pass_stdarg.
5073 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5075 * config/bfin/bfin.opt (mfdpic): New option.
5076 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5077 (EXTRA_MULTILIB_PARTS): Likewise.
5078 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5079 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5081 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5082 (CRT_CALL_STATIC_FUNCTION): New.
5083 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5085 (CRT_CALL_STATIC_FUNCTION): New.
5086 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5088 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5089 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5090 (initialize_trampoline): Changed to handle FD-PIC code generation.
5091 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5092 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5093 (override_options): Disallow -mid-shared-library -mfdpic combination.
5094 Can't do unaligned ops if FD-PIC.
5095 Turn off flag_pic if trying to generate non-id-shared-library
5096 non-fdpic code, since it's not supported.
5097 (bfin_assemble_integer): New function.
5098 (TARGET_ASM_INTEGER): Define.
5099 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5101 * config/bfin/crtn.s: Restore them.
5102 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5104 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5105 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5106 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5107 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5108 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5110 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5111 FDPIC_REGS and FDPIC_FPTR_REGS.
5112 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5113 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5114 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5115 (load_funcdescsi): New pattern.
5116 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5117 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5118 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5120 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5122 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5125 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5127 * tree-flow.h: Remove the prototype for add_type_alias.
5128 * tree-ssa-alias.c (add_type_alias): Remove.
5130 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5132 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5133 config/fr30/fr30.md, config/i386/i386-interix.h,
5134 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5135 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5136 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5137 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5138 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5139 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5140 Follow spelling conventions.
5141 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5142 Follow spelling conventions.
5144 2006-05-27 Richard Guenther <rguenther@suse.de>
5147 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5148 to produce a constant of value 1 of generic type.
5150 2006-05-27 Dirk Mueller <dmueller@suse.de>
5152 * cgraphunit.c (decide_is_function_needed): Fix wrong
5155 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5157 PR rtl-optimization/27661
5158 * reload.c (find_reloads): When reloading a VOIDmode constant
5159 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5160 use Pmode as mode of the reload register.
5162 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5164 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5165 is enabled at -O and above.
5167 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5170 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5173 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5176 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5177 for anonymous variables explicitly declared by front ends.
5179 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5181 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5182 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5183 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5184 ref-all pointers, run a finalization pass for them.
5185 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5186 (finalize_ref_all_pointers): New function.
5187 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5188 regular pointer type to a ref-all pointer type.
5189 (get_tmt_for): Return the special memory tag for ref-all pointers.
5191 2006-05-25 Richard Guenther <rguenther@suse.de>
5194 * fold-const.c (fold_binary): Do not look at the stripped
5195 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5197 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5199 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5200 for LT and GT if the computed range is effectively empty.
5202 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5205 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5206 mips_quad_format formats instead of ieee_single_format,
5207 ieee_double_format and ieee_quad_format formats, respectively.
5209 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5211 PR tree-optimization/27639
5212 PR tree-optimization/26719
5213 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5214 call to scev_probably_wraps_p.
5215 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5216 used_in_pointer_arithmetic_p, convert_step): Removed.
5217 (nowrap_type_p): New function.
5218 (scev_probably_wraps_p): Rewritten.
5219 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5220 chrec_convert if chrec_convert_aggressive might have been used.
5221 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5222 scev_direction): New functions.
5223 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5224 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5225 instead of convert_step.
5226 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5227 (convert_step): Declaration removed.
5228 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5230 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5232 * df-core.c: Added to header comments.
5233 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5234 df_ur_bb_info, df_urec_bb_info): Added comments.
5235 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5236 urec, ri problems): Fixed header comments.
5237 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5238 code from df_rd_transfer_function.
5240 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5242 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5243 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5244 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5246 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5248 * expr.c (undefined_operand_subword_p): New.
5249 (emit_move_multi_word): Do not generate move from undefined bits
5250 of a paradoxical subreg.
5252 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5254 PR rtl-optimization/27736
5255 * combine.c (replaced_rhs_value): New variable.
5256 (combine_instructions): Set it.
5257 (distribute_notes): When distributing a note in replaced_rhs_insn,
5258 check whether the value was used in replaced_rhs_value.
5260 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5263 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5264 add_referenced_var instead of add_referenced_tmp_var.
5265 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5266 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5268 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5269 tree_optimize_tail_calls_1): Use add_referenced_var.
5270 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5271 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5272 Use add_referenced_var.
5273 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5274 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5275 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5276 Use add_referenced_var.
5277 * tree-dfa.c (struct walk_state): Remove.
5278 (find_referenced_vars): Remove walk state and vars_found hash table.
5279 (make_rename_temp): Use add_referenced_var.
5280 (find_vars_r): Pass less parameters to add_referenced_var.
5281 (referenced_var_p): New. Is var in referenced_var hash table.
5282 (referenced_var_insert): Assert var isn't already in hash table.
5283 (add_referenced_var): Don't need walk_state parameter. Add var if it
5284 isn't already in the hash table.
5285 (add_referenced_tmp_var): Remove.
5286 (find_new_referenced_vars_1): Use add_referenced_var.
5287 * tree-ssa-pre.c (create_expression_by_pieces,
5288 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5289 Use add_referenced_var.
5290 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5291 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5292 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5294 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5295 vect_create_data_ref_ptr, vect_create_destination_var,
5296 vect_init_vector, vect_build_loop_niters,
5297 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5298 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5299 Use add_referenced_var.
5300 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5301 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5302 (add_referenced_var): Add prototype.
5303 * tree-ssa-structalias.c (get_constraint_for,
5304 intra_create_variable_infos): Use add_referenced_var.
5306 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5308 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5309 big-endian paradoxical subregs.
5310 * var-tracking.c (struct micro_operation_def): Document that,
5311 for modify micro operations, insn is the subsequent instruction.
5312 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5313 (var_reg_set, var_mem_set): ... new functions.
5314 (add_stores): Record subsequent insn.
5315 (compute_bb_dataflow): Use new functions for MO_USE.
5316 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5317 notes after the insn, and modify notes before the insn known
5318 to be the subsequent one.
5319 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5321 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5324 * config/i386/i386.c (ix86_expand_builtin): Use
5325 gen_sse3_monitor64 for TARGET_64BIT.
5327 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5329 PR rtl-optimization/26375
5330 PR rtl-optimization/26855
5331 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5333 (df_ru_bb_local_compute): Reversed statements and removed bogus
5334 comment explaining why they should be in wrong order.
5335 (df_ru_dump, df_rd_dump): Enhanced debug info.
5336 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5338 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5339 reaching uses and fixed space problem.
5341 2006-05-23 Jan Hubicka <jh@suse.cz>
5343 * cgraphunit.c (decide_is_function_needed): Also nested functions
5344 and functions declared inline can be optimized out at -O0.
5346 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5348 * doc/install.texi (Configuration): Remove reference to CrossGCC
5352 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5355 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5356 ix86_compare_emitted is non-NULL.
5358 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5361 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5364 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5366 PR rtl-optimization/25514
5367 * combine.c (replaced_rhs_insn): New variable.
5368 (combine_instructions): Set replaced_rhs_insn when trying to replace
5369 a SET_SRC with a REG_EQUAL note.
5370 (distribute_notes): Use replaced_rhs_insn when determining the live
5371 range of a REG_DEAD register.
5373 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5374 Anatoly Sokolov <aesok@post.ru>
5376 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5377 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5378 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5379 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5380 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5381 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5382 at90usb647, at90usb1286 and at90usb1287 devices.
5383 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5384 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5386 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5388 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5390 2006-05-22 Richard Guenther <rguenther@suse.de>
5393 2006-01-31 Richard Guenther <rguenther@suse.de>
5394 Paolo Bonzini <bonzini@gnu.org>
5396 * doc/install.texi (--disable-libgcc-math): Document.
5398 2006-05-22 Richard Guenther <rguenther@suse.de>
5401 2006-01-31 Richard Guenther <rguenther@suse.de>
5403 * doc/invoke.texi (-msselibm): Document.
5404 * target.h (expand_library_builtin): New target hook.
5405 * builtins.c (expand_builtin): Use expand_library_builtin.
5406 (default_expand_library_builtin): New function.
5407 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5408 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5409 (link_gcc_math_spec): Declare.
5410 (static_specs): Add link_gcc_math_spec.
5411 * expr.h (default_expand_library_builtin): Declare.
5412 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5413 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5414 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5415 * config/i386/i386.opt (msselibm): New target option.
5416 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5417 (ix86_init_sse_abi_builtins): New function.
5418 (ix86_expand_library_builtin): Likewise.
5419 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5420 (override_options): Handle error conditions wrt -msselibm.
5421 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5422 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5423 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5426 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5429 * c-common.c (self_promoting_args_p): Skip erroneous args.
5432 * c-decl.c (finish_struct): Skip erroneous fields.
5434 2006-05-22 Nick Clifton <nickc@redhat.com>
5436 * config/cris/cris.opt (march): Remove VarExists attribute.
5437 (max-stackframe=): Likewise.
5439 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5441 * doc/rtl.texi: Fix a typo.
5442 * see.c: Fix comment typos.
5444 * tree-ssa-structalias.h (alias_info): Remove num_references.
5446 2006-05-21 Mike Stump <mrs@apple.com>
5448 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5450 (darwin_pragma_options): Use BAD instead.
5451 (darwin_pragma_unused): Likewise.
5452 (darwin_pragma_ms_struct): Likewise.
5454 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5456 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5458 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5460 PR rtl-optimization/27671
5461 * simplify-rtx.c (simplify_relational_operation_1): Fix
5462 simplifications of (eq/ne (xor x y) y) and
5463 (eq/ne (xor x y) x).
5465 PR tree-optimization/26622.
5466 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5469 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5471 * tree-cfg.c: Prune whitespace.
5472 (debug_tree_cfg): Point to correct header containing the
5475 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5478 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5480 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5483 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5484 or sorry count is non zero.
5486 2006-05-20 Andreas Schwab <schwab@suse.de>
5488 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5490 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5491 Kenneth Zadeck <zadeck@naturalbridge.com>
5493 PR rtl-optimization/26855
5495 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5497 (df_scan_alloc): Added code to properly handle multiword hard
5498 registers and add all_blocks parameter.
5499 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5500 code to properly handle multiword hard registers.
5501 (df_rescan_blocks): Added code to remove deleted blocks from
5503 (df_ref_create_structure, df_ref_record): Added code to properly
5505 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5506 and set DF_REF_PARTIAL.
5507 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5508 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5509 (df_scan_add_problem): Added flags parameter.
5510 (df_ref_create_structure): Changed switching structure.
5511 (df_bb_refs_record): Fixed case where duplicate artificial refs
5512 were created. Changed location of flags.
5513 (df_record_entry_block_defs): Added code to make stack pointer
5514 live in entry block. Refined cases where frame pointer is needed.
5515 Changed location of flags.
5516 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5517 (df_set_state): Removed function.
5518 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5519 df_insn_create_insn_record, df_insn_refs_delete,
5520 df_ref_create_structure): Formatting changes.
5521 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5522 df_delete_basic_block): New function.
5523 (df_init): Changed location of flags.
5524 (df_add_problem): Added flags parameter and the way flags are
5526 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5527 debug_df_chain): Improved debugging output.
5528 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5529 (df_refs_chain_dump): Removed df parameter.
5530 (df_iterative_dataflow): Added consistency check.
5531 (df_prune_to_subcfg): Made public.
5532 (df_analyze_problem): Added blocks_to_init parameter and made
5534 (df_ref_record, df_bb_refs_record, df_mark_reg,
5535 df_record_exit_block_uses): Whitespace changes.
5536 (df_dump): Whitespace changes.
5537 * df.h: Some reordering to remove forward references.
5538 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5539 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5540 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5541 (dataflow.flags): New field.
5542 (df.flag): Deleted field.
5543 (df_alloc_function): Added additional bitmap parameter.
5544 (df_dependent_problem_function): New type.
5545 (df_problem.changeable_flags): New field.
5546 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5547 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5548 (df_mw_hardreg): New struct.
5549 (DF_INSN_UID_MWS): New macro.
5550 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5552 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5553 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5554 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5555 (df_set_state): Removed function.
5556 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5557 * df-problems.c (df_chain_dump): Removed df parameter.
5558 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5559 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5561 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5562 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5563 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5564 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5565 DF_REF_MUST_CLOBBER cases.
5566 (df_ru_bb_local_compute_process_def,
5567 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5568 df_lr_bb_local_compute, df_ur_bb_local_compute,
5569 df_chain_create_bb): Made subreg aware.
5570 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5571 df_lr_bb_local_compute, df_lr_bb_local_compute,
5572 df_chain_create_bb): Cleanup to use proper macros.
5573 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5574 code to fixup bitvectors.
5575 (df_ri_alloc): Cleared lifetime.
5576 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5577 df_create_unused_note): New function.
5578 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5579 REG_DEAD and REG_UNUSED notes as well as register information.
5580 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5581 df_chains_dump): Fixed crash if problem was never run.
5582 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5583 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5584 df_ri_add_problem): Processes flags in uniform manner.
5585 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5586 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5587 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5588 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5589 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5590 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5591 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5592 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5593 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5594 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5595 * see.c (see_initialize_data): Ditto.
5596 * final.c (rest_of_clean_state) Added regstack_completed.
5597 * rtl.h (regstack_completed): Ditto.
5598 * reg-stack.c (regstack_completed): Ditto.
5600 2006-05-19 Mike Stump <mrs@apple.com>
5602 * c-tree.h (default_conversion): Remove.
5603 * c-common.h (default_conversion): Add.
5605 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5607 * tree-vrp.c (valid_value_p): New function.
5608 (adjust_range_with_scev): Fail if the value of bound is not
5611 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5613 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5614 (mips_fallback_frame_state): Use syscall numbers to determine
5615 the appropriate li instruction for the current ABI. Only use
5616 __NR_sigreturn for o32.
5618 2006-05-19 Nicolas Setton <setton@adacore.com>
5620 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5621 * langhooks.c (lhd_dwarf_name): New function.
5622 * langhooks-def.h (lhd_dwarf_name): Declare.
5623 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5624 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5625 * ada/misc.c (gnat_dwarf_name): New function.
5626 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5628 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5630 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5632 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5633 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5634 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5635 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5636 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5637 determine the size of Wtype, etc.
5638 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5639 (swfloatfuncs): New variable.
5640 (dwfloatfuncs): Likewise.
5641 (lib2funcs): Remove floating-point conversion functions from
5642 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5643 the set of conversion routines needed. Allow entries to specify
5644 an object name, filename and word size. Update users accordingly.
5645 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5646 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5650 2006-02-08 Roger Sayle <roger@eyesopen.com>
5653 * config/fixtfdi.c: New libgcc source file.
5654 * config/fixunstfdi.c: New source file.
5655 * config/floatditf.c: New source file.
5656 * config/floatunditf.c: New souce file.
5657 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5658 files above instead of config/mips/_tilib.c.
5659 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5661 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5663 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5664 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5666 2006-05-18 Mike Stump <mrs@apple.com>
5668 Fix up vla, vm and [*] sematics.
5674 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5675 (c_vla_unspec_p): Add.
5676 (c_vla_type_p): Add.
5677 * c-decl.c (struct c_scope): Add had_vla_unspec.
5678 (build_array_declarator): Add support for [*].
5679 (grokdeclarator): Likewise.
5680 (grokparms): Likewise.
5681 (get_parm_info): Likewise.
5682 * c-objc-common.c (c_vla_unspec_p): Likewise.
5683 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5684 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5685 typeof when argument is a variably modified type not inside sizeof or alignof.
5686 (c_parser_direct_declarator_inner): Propagate errors.
5687 (c_parser_sizeof_expression): Add support for [*].
5688 (c_parser_parms_declarator): Initialize had_vla_unspec.
5689 (c_parser_parms_list_declarator): Likewise.
5690 * c-typeck.c (c_vla_type_p): Add.
5691 (composite_type): Add support for vla compositing.
5692 (comptypes_internal): Add support for vla compatibility.
5693 (c_expr_sizeof_expr): Evaluate vla arguments.
5694 * tree.c (variably_modified_type_p): Update comment for [*].
5696 2006-05-18 Michael Matz <matz@suse.de>
5699 * config.host: Make assignments to host_xmake_file cumulative.
5700 * config.host (*-darwin*): Test $host, not $target.
5702 2006-05-12 Stuart Hastings <stuart@apple.com>
5704 * config/i386/i386.opt (-mstackrealign): New flag.
5705 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5706 (ix86_handle_cconv_attribute): Emit error when
5707 force_align_arg_pointer attribute collides with too many regparms.
5708 (ix86_function_regparm): Limit regparms when used with
5709 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5710 Support stack-realigning prologue in non-main functions. Emit
5711 warning for nested functions under -mstackrealign, emit error for
5712 nested functions with force_align_arg_pointer attribute.
5713 * doc/extend.texi (force_align_arg_pointer): Document it.
5714 * doc/invoke.texi (-mstackrealign): Document it.
5716 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5718 PR rtl-optimization/27477
5719 * combine.c (try_combine): Don't split a parallel consisting
5720 of two sets into two individual sets if both sets reference
5723 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5725 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5726 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5728 * doc/options.texi (VarExists): Updated.
5730 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5732 * unwind-dw2.c: Add declarations for uw_update_context and
5734 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5735 detected, advance frame state and context once to skip over stub.
5737 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5741 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5742 Call rewrite_into_loop_closed_ssa only when something changed.
5743 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5744 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5745 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5746 Test for perfect_nest_p here. Fix formating.
5747 (replace_uses_equiv_to_x_with_y): Fix formating.
5748 (stmt_uses_op): Removed.
5749 (can_convert_to_perfect_nest): Removed loopivs parameter.
5750 Complete the test by checking the scalar dependences.
5751 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5754 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5757 From Dan Kegel <dank@kegel.com>:
5758 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5760 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5762 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5763 if the element type is variably modified without recursing.
5765 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5768 * tree-loop-linear.c (try_interchange_loops): Test for
5769 no data dependences.
5771 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5773 PR tree-optimization/27548
5774 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5775 range of ssa names that appear on abnormal edges.
5776 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5777 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5779 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5782 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5784 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5787 * tree.h (OMP_PARALLEL_COMBINED): Define.
5788 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5789 (new_omp_context): Add is_combined_parallel argument.
5790 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5791 new_omp_context caller.
5792 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5793 Adjust gimplify_scan_omp_clauses callers.
5794 (omp_is_private): Issue errors if iteration variable is firstprivate
5795 or reduction in the current context.
5796 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5797 on combined parallel workshare constructs.
5799 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5801 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5802 (gcc-options.o): New rule.
5804 * optc-gen.awk: Protect variables for gcc-options.o with
5805 #ifdef GCC_DRIVER/#endif.
5807 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5809 Fix PR tree-optimization/27373
5810 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5811 (forward_propagate_addr_expr): Update call.
5813 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5815 * doc/options.texi: Move the Negative option.
5817 2006-05-16 Richard Guenther <rguenther@suse.de>
5819 PR tree-optimization/22303
5820 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5822 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5823 ccp_fold did not simplify the statement.
5825 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5828 * Makefile.in (GCC_OBJS): New.
5829 (OBJS-common): Add opts-common.o.
5830 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5831 (cpp$(exeext)): Likewise.
5832 (gcc.o): Also depend on opts.h.
5833 (opts-common.o): New.
5835 * common.opt (gcoff): Add Negative(gdwarf-2).
5836 (gdwarf-2): Add Negative(gstabs).
5837 (gstabs): Add Negative(gstabs+).
5838 (gstabs+): Add Negative(gvms).
5839 (gvms): Add Negative(gxcoff).
5840 (gxcoff): Add Negative(gxcoff+).
5841 (gxcoff+): Add Negative(gcoff).
5842 * config/i386/i386.opt (m32): Add Negative(m64).
5843 (m64): Add Negative(m32).
5845 * doc/options.texi: Document the Negative option.
5847 * gcc.c: Include "opts.h".
5848 (main): Call prune_options after expandargv.
5850 * optc-gen.awk: Generate common declarations for all flag
5851 variables in options.c. Output the neg_index field.
5853 * opts.c (find_opt): Moved to ...
5854 * opts-common.c: Here. New file.
5856 * opts.h (cl_option): Add a neg_index field.
5858 (prune_options): Likewise.
5860 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5863 * omp-low.c (expand_omp_parallel): Don't assert
5864 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5865 instead search for it.
5868 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5871 2006-05-16 Andreas Schwab <schwab@suse.de>
5873 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5876 2006-05-15 Roger Sayle <roger@eyesopen.com>
5879 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5880 integer constants other than zero are only legitimate on TARGET_64BIT.
5881 <CONST_VECTOR> Only zero vectors are legitimate.
5882 (ix86_cannot_force_const_mem): Integral and vector constants can
5883 always be put in the constant pool.
5885 2006-05-16 DJ Delorie <dj@redhat.com>
5887 * crtstuff.c (__dso_handle): Set section from
5888 TARGET_LBIGCC_SDATA_SECTION if defined.
5889 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5890 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5892 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5895 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5898 2006-05-16 Ben Elliston <bje@au.ibm.com>
5900 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5902 2006-05-15 Per Bothner <per@bothner.com>
5904 * tree.c: (last_annotated_node): Use source_locus typedef.
5905 This permits bootstrapping with --enable-mapped-location.
5907 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5909 PR tree-optimization/26830
5910 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5911 (info_for_ssa_name, current_info_for_ssa_name_age,
5912 blocks_to_update): New variables.
5913 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5914 (clear_ssa_name_info, initialize_flags_in_bb,
5915 mark_block_for_update): New functions.
5916 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5917 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5918 prepare_def_site_for): Use mark_block_for_update.
5919 (mark_def_interesting): Assert that the processed block is marked in
5920 blocks_to_update. Do not take blocks argument.
5921 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5923 (rewrite_update_init_block, rewrite_update_stmt): Only process
5924 blocks with statements to rewrite.
5925 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5926 (update_ssa): Initialize and free blocks_to_update. Do not
5927 clear flags on statements. Do not use blocks bitmap.
5928 * tree.h (SSA_NAME_AUX): Removed.
5929 (struct tree_ssa_name): Removed aux field.
5930 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5932 2006-05-15 Richard Guenther <rguenther@suse.de>
5934 PR tree-optimization/27603
5935 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5936 Do computations in original type.
5938 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5940 * see.c: Code style changes such as redundant paranthesis,
5941 redundant intialization of local variables etc.
5942 (see_main): Declared now as static.
5943 * doc/invoke.texi: Update that -fsee is not enabled by
5946 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5948 * omp-low.c (check_omp_nesting_restrictions): New function.
5949 (scan_omp_1): Call it.
5952 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5953 construct, return *VAR.
5955 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5957 PR rtl-optimization/27406
5958 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5961 2006-05-14 Roger Sayle <roger@eyesopen.com>
5963 PR rtl-optimization/27538
5964 * combine.c (expand_compound_operation): Call gen_lowpart
5965 before calling simplify_shift_const.
5967 2006-05-14 Roger Sayle <roger@eyesopen.com>
5969 PR rtl-optimization/22563
5970 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5971 a fixed width bitfield, always force the intermediates into psuedos.
5973 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5976 * mkconfig.sh: Use operator = instead of == for test.
5978 2006-05-13 Nick Clifton <nickc@redhat.com>
5980 * dwarf2out.c (dbx_reg_number): Check return value from
5981 LEAF_REG_REMAP and only use it if it is valid.
5982 (multiple_reg_loc_descriptor): Likewise.
5984 2006-05-13 Richard Guenther <rguenther@suse.de>
5986 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5989 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5991 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5992 information attached to non-INSNs such as NOTEs.
5993 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5995 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5997 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5999 * config/s390/s390.md: Adjust comment describing On constraint.
6001 2006-05-11 Jan Hubicka <jh@suse.cz>
6003 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6004 to be output at -O0.
6006 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6009 * fold-const.c (size_binop): Move sanity check for arguments to
6010 the beginning of the function.
6013 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6016 2006-05-11 Richard Guenther <rguenther@suse.de>
6019 * fold-const.c (fold_unary): Handle intermediate conversion
6020 to a pointer type like intermediate conversion to an integer
6021 type in folding of (T1)(T2)var to var.
6022 Match the code to the comment in the final conversion for
6023 (T1)(T2)var to (T1)var regarding to type precision. Rather
6024 than disallow T1 being of pointer type, assert that both T1
6025 and var are of pointer type or not. Make sure not to fall
6026 over the frontends lazyness wrt array to pointer decay though.
6028 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6030 * arm.c (arm_struct_value_rtx): Delete.
6031 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6032 (arm_init_cumulative_args): Always initialize nregs to zero.
6034 2006-05-10 Richard Guenther <rguenther@suse.de>
6036 PR tree-optimization/27532
6037 * tree-object-size.c (plus_expr_object_size): Fix typo.
6039 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6042 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6043 ashrdi_const, ashrdi3): Use a scratch register.
6045 2006-05-10 Richard Guenther <rguenther@suse.de>
6047 PR tree-optimization/27302
6048 * fold-const.c (operand_equal_p): For two comparisons,
6049 try comparison of one comparison code swapped if that yields
6052 2006-05-10 Ben Elliston <bje@au.ibm.com>
6054 * tree-pretty-print.c (pretty_print_string): No need to handle
6055 '\0' as a special character.
6057 * tree.h: Include "hashtab.h".
6058 (iterative_hash_expr): Use hashval_t in its prototype.
6059 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6061 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6064 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6065 (hppa*64*-*-hpux11*): Ditto.
6066 (hppa[12]*-*-hpux11*): Ditto.
6068 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6071 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6073 2006-05-09 Michael Matz <matz@suse.de>
6075 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6076 host_extra_gcc_objs and host_xmake_file.
6077 (<*-*-linux*>): Don't overwrite host_xmake_file.
6078 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6079 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6080 (host_detect_local_cpu): Declare.
6081 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6082 * config/i386/i386.c (override_options): Handle -mtune=native
6084 * config/i386/x-i386: New file.
6085 * config/i386/driver-i386.c: New file.
6086 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6089 2006-05-09 Dirk Mueller <dmueller@suse.de>
6090 Richard Guenther <rguenther@suse.de>
6093 * fold-const.c (fold_read_from_constant_string): Relax check
6094 for matching types to matching modes.
6096 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6098 PR rtl-optimization/27335
6099 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6102 2006-05-08 Chao-ying Fu <fu@mips.com>
6103 Richard Sandiford <richard@codesourcery.com>
6105 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6106 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6107 * config/mips/mips.md (UNSPEC_SCC): New constant.
6108 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6109 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6110 (mips_emit_compare): Use it.
6111 (mips_expand_vcondv2sf): New function.
6113 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6115 Fix PR tree-optimization/27093
6116 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6117 renaming when they become not-used_alone.
6119 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6121 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6122 relocation and relocation stubs.
6124 2006-05-08 Eric Christopher <echristo@apple.com>
6126 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6129 2006-05-08 Jan Hubicka <jh@suse.cz>
6132 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6133 unused static functions are needed.
6135 2006-05-08 Roger Sayle <roger@eyesopen.com>
6138 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6139 of a reg_equiv_constant if the result is a legitimate constant.
6141 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6144 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6145 standard 80387 constants, raise the cost to prevent
6146 compress_float_constant() to generate load from memory.
6148 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6150 * config/arm/constraints.md (c): Fix a typo.
6152 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6155 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6158 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6160 (_mm_mwait): Likewise.
6162 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6164 (sse3_monitor): Make it 32bit only.
6165 (sse3_monitor64): New. 64bit monitor.
6167 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6170 * config/i386/i386.c (classify_argument): Skip fields with invalid
6173 2006-05-07 Richard Guenther <rguenther@suse.de>
6175 PR tree-optimization/27409
6176 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6177 Do not try to find zero-sized subvars.
6179 2006-05-07 Richard Guenther <rguenther@suse.de>
6181 PR tree-optimization/27136
6182 * tree-ssa-loop-niter.c (get_val_for): Correct function
6183 comment, assert requirements.
6184 (loop_niter_by_eval): Stop processing if the iterated
6185 value did not simplify.
6187 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6189 * opts.c (flag_see): remove its setting at -O3.
6191 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6193 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6194 * arm/constraints.md: New file.
6195 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6196 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6197 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6198 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6199 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6200 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6201 * arm.md: Include constraints.md.
6202 (thumb_movsi_insn): Use satisfies_constraint_J.
6203 (movhi, movqi): Use satisfies_constraint_I.
6205 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6207 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6208 for atmeg a645 device.
6210 2006-05-06 Richard Guenther <rguenther@suse.de>
6212 PR tree-optimization/27151
6213 * tree-vect-transform.c (vectorizable_condition): Punt on
6214 values that have a different type than the condition.
6216 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6219 * c-parser.c (c_parser_cast_expression): Only insert casts into
6220 hash table if pointer.
6221 * function.c (used_types_insert_helper): Rename from
6223 (used_types_insert): Call used_types_insert_helper.
6224 * function.h (used_types_insert): Accept only one argument.
6226 2006-05-05 David Edelsohn <edesohn@gnu.org>
6228 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6229 scratch with output modifier.
6231 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6234 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6235 with output modifier.
6237 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6240 * config/mips/mips.c (mips_symbolic_address_p): Return true
6241 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6242 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6244 2006-05-04 Richard Guenther <rguenther@suse.de>
6246 PR tree-optimization/14287
6247 PR tree-optimization/14844
6248 PR tree-optimization/19792
6249 PR tree-optimization/21608
6250 PR tree-optimization/27090
6251 * tree-ssa-pre.c (try_combine_conversion): New function.
6252 (compute_avail): After constructing the value-handle
6253 expression, use try_combine_conversion to combine NOP_EXPRs
6254 with previous value-handle expressions and use the result if it
6257 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6259 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6261 2006-05-04 Jan Hubicka <jh@suse.cz>
6264 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6266 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6268 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6269 that this only matches CONST_INTs. All users changed to VOIDmode
6272 * config/bfin/bfin.c: Include "optabs.h".
6273 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6275 (enum bfin_builtins): Add a number of fractional and vector builtins.
6276 (bfin_init_builtins): Likewise.
6277 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6278 (safe_vector_operand, bfin_expand_binop_builtin,
6279 bfin_expand_unop_builtin): New functions.
6280 (bfin_expand_builtin): Handle the new builtins.
6281 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6284 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6287 * Makefile.in (OBJS-common): Add see.o.
6288 (see.o): Add dependencies.
6289 * common.opt (fsee): New flag for the see optimization was added.
6290 * opts.c (flag_see): Initialized.
6291 * passes.c (init_optimization_passes, pass_see): New pass.
6292 * rtl.h (see_main): Declaration as extern.
6293 * timevar.def (TV_SEE): New.
6294 * tree-pass.h (pass_see): Declaration as extern.
6295 * invoke.texi (-fsee): Document.
6296 * recog.c (validate_simplify_insn): New function.
6297 * recog.h (validate_simplify_insn): Declaration as extern.
6298 * df-problems.c (df_chain_dump): Check for NULL.
6300 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6301 Daniel Berlin <dberlin@dberlin.org>
6303 * cfgrtl.c (insert_insn_bb_end_new): New function.
6304 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6306 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6308 * df.h (struct web_entry): Moved from web.c.
6309 (union_defs): Declaration as extern.
6310 (unionfind_root): Likewise.
6311 (unionfind_union): Likewise.
6312 * web.c (struct web_entry): Moved to df.h.
6313 (unionfind_root): Remove static declaration.
6314 (unionfind_union): Likewise.
6315 (union_defs): Likewise and generalize to use callback function.
6316 (web_main): Update arguments for union_defs function call.
6318 2006-05-04 Richard Guenther <rguenther@suse.de>
6320 PR tree-optimization/26447
6321 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6322 produce SSA_NAME copies before the store stmt to avoid
6323 breaking exception handling.
6325 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6328 * gimplify.c (omp_is_private): If var is shared in some outer context,
6329 return false instead of true. Stop searching on parallel context
6332 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6335 * coverage.c: Use get_gcov_unsigned_t() instead of
6336 unsigned_type_node all over.
6338 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6340 PR tree-optimization/27381
6341 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6342 maintain the same immediate_use links.
6343 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6344 node rather than segfaulting.
6346 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6349 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6350 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6351 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6353 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6355 Fix PR tree-optimization/26626
6356 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6358 * tree-ssa-operands.c (access_can_touch_variable): Allow
6359 typecasting through union pointers.
6361 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6364 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6365 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6366 to find if var will be a global variable even in the nested context.
6367 (omp_copy_decl): Only check for global variable at the end, it might
6368 be overridden in outer contexts.
6369 (scan_sharing_clauses): For global variables don't create a field.
6370 (lower_rec_input_clauses): Do nothing for global shared variables.
6371 Emit a barrier at the end of ILIST if there were any decls in both
6372 firstprivate and lastprivate clauses.
6373 (lower_send_clauses): Do nothing for global variables except for
6376 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6378 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6379 of the correct signedness is returned.
6381 2006-05-02 Jeff Law <law@redhat.com>
6383 PR tree-optimization/27364
6384 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6385 multiply expressions.
6387 2006-05-02 Tom Tromey <tromey@redhat.com>
6389 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6391 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6394 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6395 -mthumb -fPIC are used.
6397 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6398 Joshua Kinard <kumba@gentoo.org>
6401 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6402 with 64-bit pointers.
6404 2006-05-02 Paul Brook <paul@codesourcery.com>
6406 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6408 (create_fix_barrier): Check that a suitable barrier location is
6410 (arm_reorg): Include ftmp->address in allowable range of addresses.
6412 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6415 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6418 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6421 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6422 around RESULT_DECL for result passed by reference.
6423 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6424 * omp-low.c (use_pointer_for_field): Don't look at
6425 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6426 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6427 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6428 time or var for passing by reference for
6429 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6430 TREE_ADDRESSABLE variables when passing by reference.
6432 * omp-low.c (dump_omp_region): Fix output formatting.
6435 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6436 (expand_omp_parallel): Likewise.
6437 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6440 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6441 on statement list containing also constructors and destructors.
6442 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6445 * except.c (duplicate_eh_regions): Fix clearing of
6446 cfun->eh->region_array entries.
6448 2006-05-01 DJ Delorie <dj@redhat.com>
6450 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6452 (gcc_cv_objdump): Likewise.
6453 * configure: Regenerated.
6455 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6458 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6459 templates for case 3 and 4.
6461 2006-05-01 DJ Delorie <dj@redhat.com>
6463 * vec.c: Include bconfig.h when appropriate.
6464 * Makefile.in (build/vec.o): Adjust dependencies.
6465 * mkconfig.sh: Make sure config.h isn't used for build machine
6468 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6470 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6472 (mark_phi_for_rewrite): New function.
6473 (insert_phi_nodes_for, mark_use_interesting): Call
6474 mark_phi_for_rewrite.
6475 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6476 (update_ssa): Initialize and free phis_to_rewrite.
6478 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6480 PR rtl-optimization/27291
6481 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6482 folded to a constant.
6484 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6486 PR tree-optimization/27283
6487 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6488 not whole # of iteration descriptions.
6489 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6490 uses abnormal ssa name.
6491 (niter_for_single_dom_exit): Ditto.
6492 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6493 return just the number of iterations.
6495 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6497 PR tree-optimization/27144
6498 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6499 (record_estimate): Only record constant upper bound.
6500 (infer_loop_bounds_from_undefined): Call
6501 compute_estimated_nb_iterations just once.
6502 (proved_non_wrapping_p): Renamed to ...
6503 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6504 (convert_step_widening, scev_probably_wraps_p): Call
6505 n_of_executions_at_most instead of proved_non_wrapping_p.
6506 (substitute_in_loop_info): Do not replace values in bounds.
6507 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6510 2006-05-01 Richard Henderson <rth@redhat.com>
6513 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6514 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6517 2006-05-01 Roger Sayle <roger@eyesopen.com>
6519 * c-typeck.c (parser_build_binary_op): Don't call the function
6520 unsigned_conversion_warning to spot operand/result type overflow.
6521 (build_binary_op): Instead, call convert_and_check instead of
6522 convert to report the problem when the operands are promoted.
6523 * c-common.c (unsigned_conversion_warning): Make static.
6524 * c-common.h (unsigned_conversion_warning): Delete prototype.
6526 2006-05-01 Richard Guenther <rguenther@suse.de>
6528 PR tree-optimization/26726
6529 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6531 (find_interesting_uses_address): ... we work around here
6532 by folding INDIRECT_REFs in the substituted base.
6534 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6536 * omp-low.c (dump_omp_region): Add newlines.
6538 2006-04-30 Roger Sayle <roger@eyesopen.com>
6540 * common.opt (Woverflow): New command line option.
6541 * c-common.c (constant_expression_warning): Check warn_overflow.
6542 (overflow_waring): Pass OPT_Woverflow to warning.
6543 (unsigned_conversion_warning): Likewise.
6544 (convert_and_check): Likewise.
6545 * doc/invoke.texi: Document new command line option.
6547 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6549 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6550 TARGET_NO_FP_IN_TOC for section anchors.
6551 (optimization_options): Enable section anchors for all
6552 non-"Objective" languages.
6554 2006-04-28 Eric Christopher <echristo@apple.com>
6556 * config/darwin-c.c (darwin_ms_struct): Move this
6557 (darwin_set_default_type_attributes): and this...
6558 * config/darwin.c: ... here.
6559 * config/darwin.h (darwin_ms_struct): Declare.
6561 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6563 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6565 2006-04-28 Roger Sayle <roger@eyesopen.com>
6568 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6569 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6570 an unsigned HOST_WIDE_INT.
6571 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6573 (really_start_incremental_init): No need to call convert because
6574 bitsize_zero_node is already of type bitsizetype.
6575 (push_init_level): Extract the value of constructor_index as an
6576 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6577 (process_init_element): Likewise.
6579 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6581 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6582 value before passing to make_relative_prefix.
6584 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6587 * builtins.c (expand_builtin_memset): Expand val in original mode.
6589 2006-04-27 Eric Christopher <echristo@apple.com>
6591 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6592 with #ifndef/#endif.
6593 * config/darwin-c.c (darwin_ms_struct): New.
6594 (darwin_pragma_ms_struct): Ditto.
6595 (darwin_set_default_type_attributes): Ditto.
6596 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6597 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6598 Register ms_struct pragma.
6599 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6600 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6601 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6602 darwin_set_default_type_attributes if TARGET_MACHO.
6604 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6606 PR tree-optimization/26854
6607 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6608 * doc/tree-ssa.texi: Update immuse iterator documentation.
6609 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6610 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6611 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6612 first_safe_imm_use, next_safe_imm_use): Remove.
6613 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6614 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6615 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6616 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6617 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6618 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6619 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6620 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6621 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6622 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6623 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6624 (perfect_nestify): Use new iterator.
6625 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6627 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6628 (next_imm_name): New field in struct immediate_use_iterator_d.
6629 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6630 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6631 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6632 * tree-cfg.c (replace_uses_by): Use new iterator.
6633 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6634 * tree-ssa-operands.c (correct_use_link): Remove.
6635 (finalize_ssa_use_ops): No longer call correct_use_link.
6637 2006-04-27 Stuart Hastings <stuart@apple.com>
6639 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6640 * config/t-darwin (crt3.o): Use it.
6641 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6642 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6643 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6644 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6645 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6648 2006-04-27 Roger Sayle <roger@eyesopen.com>
6650 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6651 size, force the intermediate into a new pseudo rather instead of
6652 performing both a bitwise AND and a bitwise IOR in memory.
6654 2006-04-27 Richard Guenther <rguenther@suse.de>
6656 PR rtl-optimization/26685
6657 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6658 this one "max-flow-memory-locations".
6660 2006-04-27 Richard Guenther <rguenther@suse.de>
6662 PR tree-optimization/25148
6663 * tree-vrp.c (compare_values): Remove code dealing with
6664 comparisons against type min/max value. Honour overflow
6665 and negative constants in code dealing with comparisons
6666 of plus and minus expressions.
6667 (value_inside_range): Use fold_binary with LE_EXPR and
6668 GE_EXPR rather than compare_values.
6670 2006-04-27 Dirk Mueller <dmueller@suse.de>
6672 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6675 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6677 * basic-block.h (safe_insert_insn_on_edge): Removed.
6678 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6680 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6681 Paolo Bonzini <bonzini@gnu.org>
6684 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6685 (simplify_and_const_int): Same.
6687 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6689 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6691 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6694 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6695 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6696 cgraph_global_info_ready.
6699 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6702 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6703 either decl or init is error_mark_node.
6706 * tree-flow.h (struct omp_region): Add sched_kind.
6707 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6708 instead of extracting omp for data.
6709 (expand_omp_for): Save extracted sched_kind.
6711 2006-04-25 Roger Sayle <roger@eyesopen.com>
6713 * expmed.c (store_bit_field): Also check whether the bitsize is
6714 valid for the machine's "insv" instruction before moving the
6715 target into a pseudo for use with the insv.
6716 * config/i386/predicates.md (const8_operand): New predicate.
6717 * config/i386/i386.md (extv, extzv, insv): Use the new
6718 const8_operand predicate where appropriate.
6720 2006-04-25 DJ Delorie <dj@redhat.com>
6722 * doc/install.texi (Specific): Clarify that this is not a list of
6723 supported hosts or targets.
6725 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6727 PR rtl-optimization/26725
6728 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6729 block's BB_DIRTY flag.
6731 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6733 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6736 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6737 to print an integer.
6739 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6741 * varasm.c (align_variable): New function.
6742 (get_block_for_decl): Apply align_variable to DECL before
6743 calculating section information.
6744 (assemble_variable): Split out alignment computation.
6746 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6748 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6751 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6753 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6754 MODE_PARTIAL_INT mode.
6755 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6756 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6758 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6759 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6761 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6763 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6765 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6766 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6767 MACFLAG_IH): Likewise.
6768 (movstricthi_1): Renamed from "*movstricthi".
6769 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6770 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6771 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6772 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6773 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6774 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6775 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6776 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6777 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6778 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6779 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6780 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6781 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6782 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6783 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6785 * doc/rtl.texi (ss_ashift): Improve wording.
6787 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6789 * dwarf2out.c (verify_marks_clear): New.
6790 (prune_unused_types): Call verify_marks_clear initially, not
6793 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6795 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6796 * doc/rtl.texi: Document them.
6797 * simplify-rtx.c (simplify_unary_operation,
6798 simplify_binary_operation_1): Don't abort when we see them.
6800 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6803 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6804 * configure.ac: Completely disregard languages that are not
6806 * configure: Regenerated.
6808 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6809 Richard Guenther <rguenther@suse.de>
6811 PR tree-optimization/27236
6812 * tree-inline.c (copy_body_r): Make sure to copy
6813 TREE_THIS_VOLATILE flag.
6815 2006-04-24 Richard Guenther <rguenther@suse.de>
6818 * tree-complex.c (update_parameter_components): Don't handle
6819 unused parameters which have no default def.
6821 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6822 Richard Guenther <rguenther@suse.de>
6824 PR tree-optimization/27218
6825 * tree-inline.c (expand_call_inline): Strip useless type
6826 conversions for the return slot address.
6828 2006-04-24 Richard Guenther <rguenther@suse.de>
6830 * cfgloop.h (struct loops): Remove unused field array. Reorder
6832 (LOOP_PREFETCH): Remove.
6834 2006-04-24 Richard Guenther <rguenther@suse.de>
6836 PR tree-optimization/22525
6837 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6838 variable, adjust types of generated expressions.
6840 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6842 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6843 (tree-vect-patterns.o): Likewise.
6845 (cselib.o): Likewise.
6846 (loop-doloop.o): Likewise.
6847 (regclass.o): Likewise.
6848 (reload1.o): Likewise.
6849 (explow.o): Replace target.h with $(TARGET_H).
6850 (ipa-prop.o): Likewise.
6851 (ipa-cp.o): Likewise.
6852 (ipa-inline.o): Likewise.
6853 (reorg.o): Likewise.
6854 (reg-stack.o): Likewise.
6856 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6858 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6860 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6862 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6864 * configure.ac: Completely disregard languages that are not
6866 * configure: Regenerated.
6869 * c-common.h (c_build_bitfield_integer_type): Declare.
6870 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6871 * c-common.c (c_build_bitfield_integer_type): ... here.
6873 2006-04-23 Roger Sayle <roger@eyesopen.com>
6876 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6877 a SImode SUBREG of a floating point register after no_new_pseudos.
6879 2006-04-23 Roger Sayle <roger@eyesopen.com>
6881 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6882 identify potentially eliminable registers to additionally catch
6883 VIRTUAL_INCOMING_ARGS_REGNUM.
6884 (addsi3): Update the conditions on when to use addsi_small_int.
6886 2006-04-23 Roger Sayle <roger@eyesopen.com>
6889 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6890 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6891 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6893 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6895 * fold-const.c (range_predecessor): Use operand_equal_p
6896 as the predicate for equality.
6897 (range_successor): Likewise.
6899 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6902 * config/soft-fp/op-common.h: Fix a typo.
6904 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6907 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6908 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6910 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6912 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6914 * doc/tm.texi: Fix a typo.
6916 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6918 * dwarf2out.c (struct die_struct): Document that die_sib makes
6919 a circular linked list.
6920 (FOR_EACH_CHILD): New.
6921 (reverse_die_lists): Delete.
6922 (reverse_all_dies): Delete.
6923 (add_dwarf_attr): Correct documentation.
6924 (remove_child_with_prev): New.
6925 (remove_child_TAG): Update for change to die_struct, use
6926 remove_child_with_prev.
6927 (add_child_die): Update for change to die_struct.
6928 (splice_child_die): Use remove_child_with_prev and add_child_die.
6929 (print_die): Use FOR_EACH_CHILD.
6930 (die_checksum): Likewise.
6931 (assign_symbol_names): Likewise.
6932 (output_location_lists): Likewise.
6933 (build_abbrev_table): Likewise.
6934 (calc_die_sizes): Likewise.
6935 (mark_dies): Likewise.
6936 (unmark_dies): Likewise.
6937 (unmark_all_dies): Likewise.
6938 (output_die): Likewise.
6939 (prune_unused_types_mark): Likewise.
6940 (prune_unused_types_walk): Likewise.
6941 (same_die_p): Update for change to die_struct.
6942 (break_out_includes): Likewise.
6943 (prune_unused_types_prune): Likewise.
6944 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6945 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6947 (dwarf2out_finish): Don't call reverse_all_dies.
6949 2006-04-21 Eric Christopher <echristo@apple.com>
6951 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6952 in comments and function names.
6954 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6957 * c-typeck.c (digest_init): Robustify.
6959 * c-typeck.c (pop_init_level): Simplify.
6961 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6963 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6965 2006-04-21 Paul Brook <paul@codesourcery.com>
6967 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6968 hardware floating point.
6970 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6972 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6975 2006-04-21 Nick Clifton <nickc@redhat.com>
6977 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6980 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6983 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6984 C++ lang type in traceback table for Objective-C++.
6986 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6988 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6990 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6992 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6995 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6996 were errors. Remove check for erroneous objects.
6998 2006-04-20 Jeff Law <law@redhat.com>
7000 PR tree-optimization/26854
7001 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7002 checking for zero or one use.
7003 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7004 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7005 * tree-ssa-reassoc.c (negate_value): Similarly.
7006 (reassociate_bb): Similarly.
7008 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7010 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7011 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7012 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7014 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7016 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7017 fp regs if the last fp arg doesn't fit in regs.
7019 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7022 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7023 that the last insn has the REG_INC note.
7025 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7026 Nathan Sidwell <nathan@codesourcery.com>
7029 * stor-layout.c (update_alignment_for_field): Do not align
7031 (place_union_field): Place union field at the start of the union.
7032 (place_field): Move ERROR_MARK check later, and use the current
7033 allocation position to maintain monotonicity.
7035 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7037 * dominance.c: Include timevar.h.
7038 (calculate_dominance_info): Use TV_DOMINANCE.
7039 * timevar.def (TV_DOMINANCE): New timevar.
7040 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7042 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7044 PR rtl-optimization/14261
7045 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7046 move would be an INSV insn.
7047 (noce_process_if_block): Don't optimize if the destination is a
7048 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7050 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7052 * config/s390/s390.md: Add comments with the instructions emitted
7053 by an insn pattern if macros are used.
7055 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7057 PR rtl-optimization/26026
7058 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7059 is a known power of two shifted left a variable amount.
7061 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7063 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7064 to hash table twice when the debug_str section has SECTION_MERGE.
7066 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7068 * config/soft-fp: New directory. From glibc.
7069 * config/soft-fp/t-softfp: New.
7070 * config/soft-fp/README: New.
7071 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7072 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7073 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7074 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7075 * config.gcc: Use rs6000/t-fprules-fpbit or
7076 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7078 * config/rs6000/sfp-machine.h: New. Based on glibc.
7079 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7081 * config/rs6000/t-fprules: Remove fp-bit rules.
7082 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7083 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7084 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7085 (softfp_wrap_start, softfp_wrap_end): New.
7087 2006-04-18 DJ Delorie <dj@redhat.com>
7089 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7091 2006-04-18 Devang Patel <dpatel@apple.com>
7093 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7095 2006-04-18 Nick Clifton <nickc@redhat.com>
7097 * config/sh/t-symbian: Add rule to build sh-c.o
7098 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7099 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7100 (sh_symbian_encode_section_info): Likewise.
7102 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7104 * builtins.c (expand_builtin_strcmp): Cover label definition of
7105 do_libcall with HAVE_cmpstrnsi.
7107 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7109 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7111 * function.h (temp_slot_p): New.
7112 (function): Change the type of x_used_temp_slots to
7113 VEC(temp_slot_p,gc) *.
7115 2006-04-18 Nick Clifton <nickc@redhat.com>
7117 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7118 flag_strength_reduce.
7120 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7122 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7126 Partial revert of revision 112637
7127 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7128 Dale Johannesen <dalej@apple.com>
7131 * regclass.c (struct reg_pref): Update documentation.
7132 (regclass): Set prefclass to NO_REGS if memory is the best option.
7133 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7135 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7137 PR tree-optimization/26821
7138 * tree-ssa-math-opts.c (get_constant_one): New.
7139 (insert_reciprocals): Use it.
7141 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7143 * dwarf2out.c (free_AT): Delete.
7144 (remove_AT): Update string ref counts.
7145 (remove_child_TAG): Don't call free_die.
7147 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7148 or DW_TAG_GNU_EINCL.
7149 (prune_unused_types_walk_attribs): Reset string refcounts.
7150 (prune_unused_types_update_strings): New.
7151 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7152 call free_die. Do call prune_unused_types_update_strings.
7153 (prune_unused_types): Empty debug_str_hash.
7155 2006-04-17 Roger Sayle <roger@eyesopen.com>
7157 * expr.c (expand_assignment): Optimize away no-op moves where the
7158 source and destination are equal and have no side-effects.
7160 2006-04-17 Richard Guenther <rguenther@suse.de>
7163 * reload.c (push_reload): Guard calls to get_secondary_mem
7166 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7168 * alias.c (reg_base_value, old_reg_base_value): Change the
7169 type to VEC(rtx,gc) *.
7170 (REG_BASE_VALUE, find_base_value, record_set,
7171 init_alias_analysis): Use VEC instead of VARRAY.
7173 * alias.c (alias_sets): Change the type to
7174 VEC(alias_set_entry,gc) *.
7175 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7176 VEC instead of VARRAY.
7177 (last_alias_set): Remove.
7179 * cgraph.h (cgraph_edge_p): New.
7180 Update the prototype of cgraph_function_versioning.
7181 * cgraphunit.c (cgraph_copy_node_for_versioning,
7182 cgraph_function_versioning): Use VEC instead of VARRAY.
7183 * ipa-cp.c (ipcp_insert_stage): Likewise.
7185 2006-04-16 Roger Sayle <roger@eyesopen.com>
7188 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7189 "A op B" or "A op C", we may need to convert A to the type of B and C.
7191 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7193 * target.h (struct gcc_target): Add mode_rep_extended.
7194 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7195 (init_num_sign_bit_copies_in_rep): Initialize it using
7197 (truncate_to_mode): Use it.
7198 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7199 * targhooks.h (default_mode_rep_extended): Declare it.
7200 * targhooks.c (default_mode_rep_extended): Define it.
7201 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7202 default_mode_rep_extended.
7203 (TARGET_INITIALIZER): Include it.
7204 * doc/tm.texi (Misc): Document it.
7205 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7206 (mips_truncated_to_mode): New function.
7208 2006-04-16 Roger Sayle <roger@eyesopen.com>
7211 * expr.c (compress_float_constant): Copy the narrow constant into
7212 a new pseudo before extending it to its final width.
7214 2006-04-16 Roger Sayle <roger@eyesopen.com>
7215 Andrew Pinski <pinskia@gcc.gnu.org>
7216 Dale Johannesen <dalej@apple.com>
7219 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7220 special case code to implement V8HImode and V16QImode with SSE2.
7222 2006-04-15 Roger Sayle <roger@eyesopen.com>
7224 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7225 trees are constructed with a suitable tree type.
7227 2006-04-15 Roger Sayle <roger@eyesopen.com>
7229 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7230 (integer_onep): Likewise.
7231 (integer_all_onesp): Likewise.
7232 (integer_pow2p): Likewise.
7233 (integer_nonzerop): Likewise.
7234 (real_zerop): Likewise.
7235 (real_onep): Likewise.
7236 (real_twop): Likewise.
7237 (real_minus_onep): Likewise.
7238 (int_size_in_bytes): Likewise.
7239 (host_integerp): Likewise.
7241 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7243 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7244 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7245 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7247 * tree-ssa-structalias.h (alias_info): Remove num_references.
7249 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7251 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7252 (output_bvb patterns): Likewise.
7253 * pa.c (output_bb): Use 'bb' insn for long branch case.
7254 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7255 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7256 1. Correct length operand for alternatives 1 and 2.
7257 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7258 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7260 2006-04-14 Roger Sayle <roger@eyesopen.com>
7262 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7263 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7264 were accidentally reverted by r112959.
7266 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7269 * except.h (eh_region_outermost): New prototype.
7270 * except.c (eh_region_outermost): New function.
7271 * tree-cfg.c (find_outermost_region_in_block): Use it.
7273 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7275 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7277 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7278 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7279 (init_reload, reload): Use VEC instead of VARRAY.
7280 * reload.h: Update the prototype for
7281 reg_equiv_memory_loc_varray.
7283 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7284 Eric Botcazou <ebotcazou@libertysurf.fr>
7286 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7289 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7292 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7293 to expand fallback builtin function call.
7295 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7298 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7299 and emit libcall here in case the builtin fails.
7300 (expand_builtin_strcmp): Always emit the libcall here on failure.
7302 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7304 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7305 * flow.c (reg_n_info): Change the type to
7306 VEC(reg_info_p,heap) *.
7307 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7309 * regs.h (reg_info_p): New.
7310 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7311 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7312 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7315 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7317 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7319 * params.h (MAX_SCHED_READY_INSNS): New macro.
7320 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7321 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7322 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7323 the ready list for 1 cycle during the first scheduling pass.
7324 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7326 2006-04-13 Richard Henderson <rth@redhat.com>
7329 * gimple-low.c (lower_omp_directive): Remove dead code.
7330 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7331 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7332 * omp-low.c (struct omp_region): Move to tree-flow.h.
7333 (root_omp_region): Export.
7334 (omp_regions, lookup_omp_region): Remove.
7335 (determine_parallel_type): Update for struct omp_region changes.
7336 (dump_omp_region): Dump regions with block numbers.
7337 (new_omp_region): Take type and block instead of stmt; malloc
7339 (free_omp_region_1, free_omp_regions): New.
7340 (expand_parallel_call): Take entry_stmt as argument; update for
7341 changes to omp_region.
7342 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7343 (remove_exit_barriers): New.
7344 (expand_omp_parallel): Update for struct omp_region changes.
7345 (expand_omp_synch): Likewise.
7346 (expand_omp): Likewise.
7347 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7348 (expand_omp_for_static_chunk): Likewise.
7349 (expand_omp_for): Likewise.
7350 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7351 (expand_omp_sections): Similarly, with GOMP_sections_end.
7352 (expand_omp_single): New.
7353 (build_omp_regions_1): Update for OMP_CONTINUE.
7354 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7355 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7356 OMP_SECTIONS_SECTIONS.
7357 (lower_omp_single_simple): Don't emit barrier here.
7358 (lower_omp_single_copy): Likewise.
7359 (lower_omp_single): Fix bindings, and lower to straightline now.
7360 (lower_omp_master, lower_omp_ordered): Likewise.
7361 (lower_omp_critical): Likewise.
7362 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7363 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7364 omp edges, free it afterward.
7365 (make_omp_sections_edges): Remove.
7366 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7367 (move_stmt_r): Handle OMP_CONTINUE.
7368 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7369 statement pointers to basic blocks. Add type member.
7370 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7371 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7372 * tree-inline.c (estimate_num_insns_1): Likewise.
7373 * tree-pretty-print.c (dump_generic_node): Likewise.
7374 * tree-ssa-operands.c (get_expr_operands): Likewise.
7375 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7376 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7377 (OMP_CONTINUE): New.
7378 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7379 (OMP_SECTIONS_SECTIONS): Remove.
7380 (OMP_SECTION_LAST): New.
7381 (OMP_RETURN_NOWAIT): New.
7383 2006-04-13 Roger Sayle <roger@eyesopen.com>
7385 * fold-const.c (native_encode_vector, native_interpret_real):
7386 Correct obvious mistakes in the previous check-in.
7388 2006-04-13 Roger Sayle <roger@eyesopen.com>
7390 * fold-const.c (native_encode_expr): New function to encode
7391 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7392 or VECTOR_CST into a specified buffer.
7393 (native_encode_int): New function.
7394 (native_encode_real): New function.
7395 (native_encode_complex): New function.
7396 (native_encode_vector): New function.
7397 (native_interpret_expr): Inverse of native_encode_expr to convert
7398 a target representation into an INTEGER_CST, REAL_CST etc...
7399 (native_interpret_int): New function.
7400 (native_interpret_real): New function.
7401 (native_interpret_complex): New function.
7402 (native_interpret_vector): New function.
7403 (fold_view_convert_expr): New function to constant fold/evaluate
7404 a VIEW_CONVERT_EXPR of a suitable constant expression.
7405 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7406 Change call of build1 to fold_build1 when constructing a
7409 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7410 Ulrich Weigand <uweigand@de.ibm.com>
7413 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7416 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7419 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7420 optimize to lo_sum for DFmode if !TARGET_FPRS.
7422 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7424 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7425 delete_alias_info, compute_flow_sensitive_aliasing,
7426 group_aliases): Use VEC instead of VARRAY.
7427 * tree-ssa-structalias.c (update_alias_info): Likewise.
7428 * tree-ssa-structalias.h (alias_info): Change the type of
7429 processed_ptrs to VEC(tree,heap) *.
7431 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7434 * config/sh/lib1funcs.h: New file, broken out of:
7435 * config/sh/lib1funcs.asm.
7436 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7438 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7439 * config/sh/lib1funcs-Os-4-200.asm: New file.
7440 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7441 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7442 (EXTRA_MULTILIB_PARTS): Include it.
7443 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7444 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7445 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7446 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7449 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7451 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7452 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7453 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7455 * tree-ssa-live.h: Include vecprim.h.
7456 (tree_partition_associator_d): Change the type of
7457 first_partition to VEC(int,heap) *.
7458 (tpa_first_partition): Use VEC instead of VARRAY.
7460 * Makefile.in (GTFILES): Move functions.h after tree.h.
7461 * function.c (reset_block_changes, record_block_change,
7462 check_block_change, free_block_changes): Use VEC instead of
7464 * function.h (function): Change the type of
7465 ib_boundaries_block to VEC(tree,gc) *.
7466 * tree-inline.c (copy_cfg_body): Initialize
7467 ib_boundaries_block to NULL instead of (varray_type) 0.
7469 2006-04-12 Roger Sayle <roger@eyesopen.com>
7471 * expr.c (emit_group_store): Correct operand order in call to
7472 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7473 a SUBREG_BYTE of zero.
7475 2006-04-12 Richard Guenther <rguenther@suse.de>
7477 * profile.c (compute_branch_probabilities): Remove code
7478 encapsulated in !ir_type (), which are remanents of the
7479 removed RTL profiling code.
7480 * rtl-profile.c: Remove.
7482 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7484 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7485 magic NULL_RTX comment.
7486 (function_arg): Store entire fp arg to mem if any part should go
7488 (rs6000_arg_partial_bytes): Adjust for above change.
7490 2006-04-11 Roger Sayle <roger@eyesopen.com>
7492 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7493 if it hasn't been initialized by dwarf2out_init.
7495 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7497 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7498 symbolic constants in branch patterns.
7500 2006-04-11 Roger Sayle <roger@eyesopen.com>
7502 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7504 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7506 PR rtl-optimization/27073
7507 * gcse.c (try_replace_reg): Revert last change. Continue to search
7508 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7511 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7513 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7514 aggregate types other than record and union types.
7515 (function_arg): Likewise.
7516 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7518 (function_value): In 64-bit mode, return objects that require it
7521 2006-04-11 Roger Sayle <roger@eyesopen.com>
7523 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7525 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7527 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7529 2006-04-03 Jeff Law <law@redhat.com>
7532 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7533 alias information too.
7535 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7537 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7539 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7542 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7543 (premark_used_types_helper): New.
7544 (premark_used_types): New.
7545 (gen_subprogram_die): Call premark_used_types.
7546 (prune_unused_types_walk): Do not prune perennial dies.
7547 * function.c (used_types_insert): New.
7548 * function.h (struct function): Add used_types_hash field.
7549 (used_types_insert): Add prototype.
7550 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7551 * c-parser.c (c_parser_cast_expression): Save casted types in used
7554 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7557 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7558 rs6000_explicit_options.float_gprs.
7560 2006-04-10 Roger Sayle <roger@eyesopen.com>
7562 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7563 from ix86_expand_vector_init_low_nonzero. Take an additional
7564 one_var argument indicating which element is non-zero. Support
7565 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7566 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7567 with one_var instead of ix86_expand_vector_init_low_nonzero.
7569 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7571 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7572 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7573 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7574 build/genextract.o): Depend on vecprim.h.
7575 * cfglayout.c, df-problems.c, function.c, genextract.c,
7576 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7577 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7581 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7583 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7584 Declare VECs of this type.
7585 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7586 (remove_children): Delete.
7587 (add_dwarf_attr): Use VEC routines.
7588 (add_AT_flag): Update for changes to add_dwarf_attr.
7589 (add_AT_int): Likewise.
7590 (add_AT_unsigned): Likewise.
7591 (add_AT_long_long): Likewise.
7592 (add_AT_vec): Likewise.
7593 (add_AT_string): Likewise.
7594 (add_AT_die_ref): Likewise.
7595 (add_AT_fde_ref): Likewise.
7596 (add_AT_loc): Likewise.
7597 (add_AT_loc_list): Likewise.
7598 (add_AT_addr): Likewise.
7599 (add_AT_lbl_id): Likewise.
7600 (add_AT_lineptr): Likewise.
7601 (add_AT_macptr): Likewise.
7602 (add_AT_offset): Likewise.
7603 (add_AT_range_list): Likewise.
7604 (get_AT): Use VEC_iterate.
7605 (remove_AT): Use VEC_ordered_remove.
7606 (free_die): Fold remove_children into here; have it use VEC_iterate.
7607 (print_die): Use VEC_iterate on attrs.
7608 (reverse_die_lists): Don't reverse attr lists.
7609 (die_checksum): Use VEC_iterate on attrs.
7610 (same_die_p): Likewise.
7611 (output_location_lists): Likewise.
7612 (build_abbrev_table): Likewise.
7613 (size_of_die): Likewise.
7614 (unmark_all_dies): Likewise.
7615 (output_abbrev_section): Likewise.
7616 (output_die): Likewise.
7617 (prune_unused_types_walk_attribs): Likewise.
7619 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7621 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7623 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7626 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7628 2006-04-09 Roger Sayle <roger@eyesopen.com>
7630 * expr.c (store_constructor): Don't bother clearing target if
7631 we're about to assign a vector to it using vec_init_optab.
7633 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7635 * tree-ssa-alias.c (lhs_may_store_to): New function.
7636 (recalculate_used_alone): Handle LHS of calls.
7638 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7642 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7643 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7644 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7645 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7646 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7647 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7648 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7649 stubs. Add ".align 8" directives before all ".dword" directives.
7650 (GTHREAD_USE_WEAK): Revise comment.
7651 (TARGET_ATTRIBUTE_WEAK): Define.
7652 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7653 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7654 * stublib.c: New file.
7659 * pa.md (cbranch patterns): Revise arguments used in calls to
7660 output_cbranch, output_bb and output_bvd. Add long branch length
7662 (fbranch patterns): Handle long branches.
7663 (jump): Revise length check. Revise arguments for output_lbranch call.
7664 Add long branch length attributes.
7665 (decrement_and_branch_until_zero): Add long branch length attributes.
7666 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7667 Likewise. Revise arguments for output_parallel_addb and
7668 output_parallel_movb calls.
7669 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7670 output_parallel_movb and output_parallel_addb): Update prototypes.
7671 * pa.c (output_cbranch): Revise arguments. Correct handling of
7672 nullification in long branches.
7673 (output_lbranch): Add new argument to control extraction of delay
7675 (output_bb): Handle long branches.
7676 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7677 output_parallel_addb): Likewise.
7679 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7681 PR rtl-optimization/27073
7682 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7685 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7687 * tree.h (tree_memory_tag): Add old_used_alone.
7688 (SMT_OLD_USED_ALONE): New macro.
7689 * tree-ssa-alias.c (recalculate_used_alone): Stop
7690 marking things for renaming unnecessarily.
7692 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7694 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7695 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7696 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7697 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7698 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7699 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7700 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7701 spelling convensions.
7702 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7703 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7704 typos. Follow spelling conventions.
7706 2006-04-07 DJ Delorie <dj@redhat.com>
7708 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7709 passed on the stack.
7710 (m32c_init_cumulative_args): When a function returns a structure,
7711 always pass the pointer to that return area on the stack.
7712 (m32c_function_arg_advance): Don't increment the parameter number
7713 if we're processing the returned structure pointer.
7714 (pushm_info): Reverse order of registers.
7716 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7718 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7719 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7720 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7721 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7723 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7724 chrec_fold_multiply): Same.
7725 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7726 force_expr_to_var_cost): Same.
7727 * tree-mudflap.c (mf_xform_derefs_1): Same.
7728 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7730 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7732 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7733 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7736 2006-04-07 Jan Hubicka <jh@suse.cz>
7738 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7740 2006-04-07 Richard Guenther <rguenther@suse.de>
7742 PR tree-optimization/26135
7743 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7744 loads for store copy-prop.
7745 (copy_prop_visit_stmt): Likewise.
7747 2006-04-05 Robert Millan <robertmh@gnu.org>
7749 * config/i386/linux.h: Add a comment to mark macros that are
7750 being overriden in config/k*bsd-gnu.h.
7751 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7753 * config/knetbsd-gnu.h: Ditto.
7755 2006-04-06 Jan Hubicka <jh@suse.cz>
7759 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7762 2006-04-06 Mike Stump <mrs@apple.com>
7764 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7765 for HAVE_nonlocal_goto to be consistent.
7766 (expand_builtin_nonlocal_goto): Likewise.
7767 (expand_builtin_strcmp): Use #ifdef instead of #if
7768 for HAVE_cmpstrnsi to be consistent.
7770 2006-04-05 DJ Delorie <dj@redhat.com>
7772 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7775 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7777 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7778 got-relative addressing for anything but SImode.
7780 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7781 even if the calling function doesn't modify them.
7783 2006-04-05 Richard Guenther <rguenther@suse.de>
7785 PR tree-optimization/26919
7786 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7787 to cgraph_estimate_size_after_inlining.
7789 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7791 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7793 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7795 PR tree-optimization/26996
7796 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7797 VECTOR_TYPE variables.
7799 2006-04-05 Richard Guenther <rguenther@suse.de>
7801 PR tree-optimization/26763
7802 * fold-const.c (fold_comparison): Move folding of
7803 PTR + CST CMP PTR + CST ...
7804 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7806 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7808 * doc/install.texi (Prerequisites): Refine some wording on
7809 bootstrapping and ksh.
7810 Move the version numbers of DejaGnu here from the testing section
7811 and fix casing of names.
7812 Fix markup and clarify wording for autogen requirements.
7813 Refer to GCJ instead of just java.
7814 Refer to SVN instead of CVS.
7815 Describe diffutils as useful instead of necessary.
7816 (Downloading the source): Refer to SVN instead of CVS.
7817 Adjust a link to our web site accordingly.
7818 (Configuration): Fix casing of Bison.
7819 (Building): Refer to SVN instead of CVS.
7820 Fix a sentence on the use of Bison and remove duplicate (and
7821 incorrect) version number of Bison requirement.
7822 Remove one redundant list of packages needed for building.
7823 (Specific): Avoid reference to CVS.
7825 2006-04-04 Eric Christopher <echristo@apple.com>
7827 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7828 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7829 (rs6000_handle_struct_attribute): New.
7830 (rs6000_ms_bitfield_layout_p): Ditto.
7832 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7834 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7835 NULL for dso parameter to atexit_common.
7837 2006-04-04 Eric Christopher <echristo@apple.com>
7839 * config/i386/i386.c (machopic_output_stub): Output \t
7840 between instructions and operands.
7842 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7844 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7845 satisfies_constraint_[IL] to explicit tests on value.
7847 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7849 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7850 set_nb_iterations_in_loop): Use build_int_cst instead of
7852 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7853 build_int_cst instead of convert.
7855 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7857 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7858 new value 2 for incoming.
7859 * function.c (expand_function_start): Call struct_value_rtx
7861 * config/sparc/sparc.md: Comment updated_return.
7862 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7863 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7864 struct return if sparc_std_struct_return and incoming is 2.
7865 (print_operand): Do not adjust return if
7866 sparc_std_struct_return.
7868 2006-04-04 Roger Sayle <roger@eyesopen.com>
7870 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7871 convert in the middle-end.
7872 * expr.c (store_expr, store_constructor, get_inner_reference,
7873 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7875 * tree.c (build_range_type): Likewise.
7877 2006-04-04 Tom Tromey <tromey@redhat.com>
7879 * doc/install.texi (Prerequisites): Mention jar.
7881 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7883 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7886 2006-04-04 Matthias Klose <doko@debian.org>
7888 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7892 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7895 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7897 * doc/extend.texi (Function Attributes): Rewrite visibility
7898 attribute documentation.
7899 * doc/invoke.texi (C++ Dialect Options): Rewrite
7900 -fvisibility-inlines-hidden documentation to describe something
7901 entirely different, although in practise compatible.
7902 (Code Gen Options): Warn about system headers in -fvisibility=
7905 * doc/extend.texi (Other Builtins): Document that
7906 __builtin_nan is a compile-time constant only when its argument
7909 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7911 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7912 trying to remove TRUNCATE check if all bits outside the new mode
7913 are identical to the sign bit.
7915 2006-04-03 Jeff Law <law@redhat.com>
7917 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7918 and operand scanning in some common cases.
7920 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7921 Dale Johannesen <dalej@apple.com>
7924 * regclass.c (struct reg_pref): Update documentation.
7925 (regclass): Set prefclass to NO_REGS if memory is the best option.
7926 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7927 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7928 into account. For non-registers, equate an empty preferred
7929 reload class to a `!' in the constraint; move the if clause to
7930 do so after those that reject the insn.
7931 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7933 (find_dummy_reload): Likewise.
7934 * doc/tm.texi (Register Classes): Document what it means
7935 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7936 * config/i386/i386.c (ix86_preferred_reload_class): Force
7937 using SSE registers (and return NO_REGS for floating-point
7938 constants) if math is done with SSE.
7939 (ix86_preferred_output_reload_class): New.
7940 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7941 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7942 * config/i386/i386.md: Remove # register preferences.
7944 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7947 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7948 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7949 the type of nb_iter.
7950 (instantiate_parameters_1): Convert the operands before calling
7951 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7952 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7954 2006-04-02 Roger Sayle <roger@eyesopen.com>
7956 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7957 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7959 * dojump.c (do_jump): Likewise.
7960 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7961 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7962 gimplify_boolean_expr): Likewise.
7963 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7964 * varasm.c (array_size_for_constructor): Likewise.
7965 * tree-object-size.c (compute_object_offset): Likewise.
7967 2006-04-02 Roger Sayle <roger@eyesopen.com>
7970 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7971 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7973 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7975 PR tree-optimization/26939
7976 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7978 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7980 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7981 at_stmt. Convert the type of operands before calling
7982 build_polynomial_chrec.
7983 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7985 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7986 (instantiate_parameters_1): Convert the type of operands before calling
7987 build_polynomial_chrec.
7988 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7989 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7990 reset_evolution_in_loop): Insert asserts to check the types of the
7992 (chrec_type): Moved...
7993 (eq_evolutions_p): Use operand_equal_p.
7994 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7995 the types of the operands.
7996 (chrec_type): ...here.
7997 * tree-data-ref.c (create_data_ref): Convert the operands before
7998 calling chrec_replace_initial_condition.
7999 (same_access_functions, analyze_subscript_affine_affine,
8000 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8001 (compute_subscript_distance, analyze_ziv_subscript,
8002 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8003 analyze_miv_subscript): Convert the operands before calling
8004 chrec_fold_minus or chrec_fold_plus.
8006 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8008 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8009 the dependence_relations vector.
8010 (compute_data_dependences_for_loop): Adjust call to
8011 compute_all_dependences.
8013 2006-04-01 Roger Sayle <roger@eyesopen.com>
8014 Richard Henderson <rth@redhat.com>
8016 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8017 gimple_boolify on the condition before calling gimplify_expr.
8019 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8021 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8022 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8023 the frame size. Update to use the new macros.
8024 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8025 * config/xtensa/ieee754-df.S: Likewise.
8027 2006-03-31 Richard Henderson <rth@redhat.com>
8029 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8030 (make_edges): ... here. Control fallthru creation with a local
8031 variable. Do not play with fake edges.
8032 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8033 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8036 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8038 * dwarf2.h (DW64_CIE_ID): Define.
8039 * dwarf2out.c (DWARF_CIE_ID): Define.
8040 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8041 length header. Use DWARF_CIE_ID.
8042 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8043 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8045 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8047 * config/sh/linux-atomic.asm: New file.
8048 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8050 2006-03-31 DJ Delorie <dj@redhat.com>
8052 * config/m32c/cond.md: Set condition flags properly throughout.
8053 * config/m32c/minmax.md: Likewise.
8054 * config/m32c/prologue.md: Likewise.
8055 * config/m32c/bitops.md: Likewise.
8056 * config/m32c/muldiv.md: Likewise.
8057 * config/m32c/mov.md: Likewise.
8058 * config/m32c/addsub.md: Likewise.
8059 * config/m32c/m32c.md: Likewise.
8060 * config/m32c/jump.md: Likewise.
8061 * config/m32c/shift.md: Likewise.
8063 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8064 conditionally output the pattern for this.
8065 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8066 (m32c_compare_redundant): New.
8067 (m32c_output_compare): New.
8068 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8070 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8071 dest, not src. Allow other 4-byte modes.
8073 2006-03-30 Denis Chertykov <denisc@overta.ru>
8075 * doc/md.texi: Refer to avr/constraints.md instead of
8078 2006-03-30 Roger Sayle <roger@eyesopen.com>
8080 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8081 signed vs. unsigned comparison failures on some hosts.
8083 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8086 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8087 change to FLOAT_REGS.
8089 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8090 (rs6000_override_options): Use it.
8091 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8092 only for -mabi=spe/no-spe and -mabi=altivec.
8094 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8096 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8099 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8101 * Makefile.in: Rename docdir to gcc_docdir.
8103 2006-03-30 Roger Sayle <roger@eyesopen.com>
8106 * expr.c (emit_group_store): Optimize group stores into a pseudo
8107 register by using a paradoxical subreg to initialize the destination
8108 if the first or last member of the group specifies a "low part".
8110 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8113 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8114 * target.h (struct gcc_target.speculate_insn): Change type of the
8115 second parameter to 'int'.
8116 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8117 the second operand of the DEPS_LIST.
8118 (copy_DEPS_LIST_list): Update reference to the second operand of the
8120 * rtl.h (alloc_DEPS_LIST): Update signature.
8121 * sched-int.h (ds_t): Change typedef to 'int'.
8122 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8124 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8126 * haifa-sched.c (try_ready): Change condition to restore
8127 non-speculative pattern of the instruction.
8128 (process_insn_depend_be_in_spec): Code to keep probability of the
8129 speculative dependence non-decreasing.
8131 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8133 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8134 (single_move_for_movmem): ... this. Also change all uses.
8135 (bfin_expand_strmov): Renamed to...
8136 (bfin_expand_movmem): ... this. Also change all uses.
8137 * config/bfin/bfin.md (movstrsi): Renamed to...
8138 (movstrsi): ...this.
8140 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8142 PR tree-optimization/26830
8144 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8145 (copy_prop_visit_stmt): Remove write-only variable ann.
8146 (init_copy_prop): Check variable loop depth here. Do not simulate
8147 memory-tag and virtual operand PHIs except for store copy prop.
8149 2006-03-30 Richard Guenther <rguenther@suse.de>
8151 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8152 variants with double arguments.
8154 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8156 * genpreds.c (write_tm_constrs_h): Delete variable p.
8157 * genconditions.c (write_header): Add tm-constrs.h to included
8159 * genpeep.c (main): Add toplev.h to included headers.
8160 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8161 (build/genpeep.o): Add toplev.h dependency.
8162 * config/rs6000/constraints.md: Add "W" constraint.
8164 2006-03-29 Roger Sayle <roger@eyesopen.com>
8166 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8167 sizes by correctly testing whether the size fits a host integer.
8168 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8169 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8170 SImode range for the default sizetype and bitsizetype.
8172 2006-03-29 Roger Sayle <roger@eyesopen.com>
8174 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8175 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8176 quickly if the argument is already of the correct type.
8177 Call fold_build1 instead of build1. Tidy up blank lines.
8179 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8181 * genemit.c (main): Add tm-constrs.h to included headers.
8182 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8183 * genpeep.c (main): Add tm-constrs.h to included headers.
8184 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8185 (write_tm_constrs_h): this and write complete file.
8186 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8187 (write_insn_preds_c): Add tm-constrs.h to included headers.
8188 (gen_constrs): New variable.
8189 (parse_option): Parse "-c".
8190 (main): Invoke write_tm_constrs_h.
8191 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8192 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8193 (object_out_file): Add tm-constrs.h dependency.
8194 (insn-emit.o): Same.
8195 (insn-output.o): Same.
8196 (insn-peep.o): Same.
8197 (insn-preds.o): Same.
8198 (insn-recog.o): Same.
8199 (tm-constsr.h): New target.
8200 (s-constrs-h): New target.
8202 * config/rs6000/constraints.md: New file.
8203 * config/rs6000/rs6000.c: Include tm-constrs.h.
8204 (num_insn_constant_wide): Convert to satisfies_constraint.
8205 (rs6000_rtx_costs): Convert to satisfies_constraint.
8206 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8207 (CONST_OK_FOR_LETTER_P): Delete.
8208 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8209 (EXTRA_CONSTRAINT): Delete.
8210 (EXTRA_MEMORY_CONSTRAINT): Delete.
8211 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8212 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8213 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8214 satisfies_constraint.
8216 * config/i386/i386.c: Include tm-constrs.h.
8218 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8220 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8221 * tree-data-ref.c (find_data_references_in_loop,
8222 compute_data_dependences_for_loop): Use pointers to VEC.
8223 (analyze_all_data_dependences): Adjust calls.
8224 * tree-data-ref.h (find_data_references_in_loop,
8225 compute_data_dependences_for_loop): Adjust declarations.
8226 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8227 compute_data_dependences_for_loop.
8229 2006-03-29 Paul Brook <paul@codesourcery.com>
8231 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8234 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8236 PR tree-optimization/26859
8237 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8239 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8240 for the step after fold_convert.
8242 2006-03-29 Paul Brook <paul@codesourcery.com>
8244 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8245 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8247 2006-03-29 Paul Brook <paul@codesourcery.com>
8250 * targhooks.c (default_narrow_bitfield): New fuction.
8251 * targhooks.h (default_narrow_bitfield): add prototype.
8252 * target.h (gcc_target): Add narrow_volatile_bitfield.
8253 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8254 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8255 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8256 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8258 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8260 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8262 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8263 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8264 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8265 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8266 (s390_function_arg_float): Allow SDmode and DDmode values to be
8267 passed in floating point registers.
8268 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8269 check with SCALAR_FLOAT_MODE_P.
8270 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8272 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8274 PR tree-optimization/25985
8275 * tree-ssa-loop-niter.c (number_of_iterations_le,
8276 number_of_iterations_ne): Make comments more precise.
8277 (number_of_iterations_cond): Add only_exit argument. Use the
8278 fact that signed variables do not overflow only when only_exit
8280 (loop_only_exit_p): New.
8281 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8282 number_of_iterations_cond.
8284 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8286 PR tree-optimization/26643
8287 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8290 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8292 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8293 (divsi3_i4_int): Likewise.
8295 2006-03-28 Roger Sayle <roger@eyesopen.com>
8297 * expr.c (emit_group_store): Only create a new pseudo reg if the
8298 quantity it needs to hold isn't already a suitable pseudo.
8300 2006-03-28 Jeff Law <law@redhat.com>
8302 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8303 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8305 2006-03-28 Roger Sayle <roger@eyesopen.com>
8307 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8308 the equivalent ~X & Y, and the symmetry related transformations.
8309 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8310 ~X & Y, and symmetry related transforms.
8312 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8314 Revert my 2006-03-27 patches.
8316 2006-03-28 Roger Sayle <roger@eyesopen.com>
8318 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8319 ~(T1)X, when T1 and T2 are integer types of the same precision
8320 and (T2)X isn't an extension.
8322 2006-03-28 Jeff Law <law@redhat.com>
8324 PR tree-optimization/26796
8325 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8326 need EH edge cleanups rather than purging them immediately.
8327 (eliminate_degenerate_phis): Handle queued EH cleanups.
8329 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8331 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8334 2006-03-27 Roger Sayle <roger@eyesopen.com>
8337 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8338 cast BIT_NOT_EXPR operand to the correct type.
8340 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8342 * tree-loop-linear.c: Don't include varray.h.
8343 (gather_interchange_stats, try_interchange_loops,
8344 linear_transform_loops): Use VEC instead of VARRAY.
8345 * lambda-mat.c: Don't include varray.h.
8346 * tree-chrec.c: Same.
8347 * lambda-trans.c: Same.
8348 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8349 VEC instead of VARRAY.
8350 * tree-vectorizer.h: Idem.
8351 * tree-data-ref.c (dump_data_references,
8352 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8353 initialize_data_dependence_relation, finalize_ddr_dependent,
8354 compute_all_dependences, find_data_references_in_loop,
8355 compute_data_dependences_for_loop, analyze_all_data_dependences,
8356 free_dependence_relation, free_dependence_relations,
8357 free_data_refs): Idem.
8358 * tree-data-ref.h (data_reference_p, subscript_p): New.
8359 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8360 VEC instead of VARRAY.
8361 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8362 (find_data_references_in_loop, compute_data_dependences_for_loop,
8363 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8364 dump_data_dependence_relations, free_dependence_relations,
8365 free_data_refs): Adjust declaration.
8366 (lambda_transform_legal_p): Move declaration here...
8367 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8368 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8369 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8370 vect_analyze_data_refs): Use VEC instead of VARRAY.
8371 * lambda.h (lambda_transform_legal_p): ...from here.
8372 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8373 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8374 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8375 tree-chrec.o): Don't depend on VARRAY_H.
8377 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8379 * rtl.def (Copyright): Update date.
8380 (DEPS_LIST): Change type of the second operand to 'int'.
8381 * target.h (Copyright): Update date.
8382 (struct gcc_target.speculate_insn): Change type of the second parameter
8384 * lists.c (Copyright): Update date.
8385 (alloc_DEPS_LIST): Change signature. Update reference to the second
8386 operand of the DEPS_LIST.
8387 (copy_DEPS_LIST_list): Update reference to the second operand of the
8389 * rtl.h (Copyright): Update date.
8390 (alloc_DEPS_LIST): Update signature.
8391 * sched-int.h (Copyright): Update date.
8392 (ds_t): Change typedef to 'int'.
8393 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8395 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8397 * haifa-sched.c (Copyright): Update date.
8398 (try_ready): Change condition to restore non-speculative pattern
8400 (process_insn_depend_be_in_spec): Code to keep probability of the
8401 speculative dependence non-decreasing.
8403 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8405 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8406 shut up the compiler.
8408 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8410 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8411 to use lib prefix for target.
8412 ($(T)libic_invalidate_array_4-200.a): Likewise.
8413 ($(T)libic_invalidate_array_4a.a): Likewise.
8415 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8416 J"orn Rennecke <joern.rennecke@st.com>
8418 * superh.opt: New file.
8419 * sh.c (boardtype, osruntime): Remove.
8420 * superh.h (SUBTARGET_OPTIONS): Remove.
8421 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8423 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8424 arguments with ^ and/or [].
8426 * config.gcc (sh-*-*): Add quoting to account for quirk of
8428 Replace == with = in enable_incomplete_targets test.
8430 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8431 with MASK_LITTLE_ENDIAN.
8433 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8434 * config/sh/sh.opt: Added to some comments.
8435 * config/sh/superh.h: Removed some chaff.
8437 * config/sh/sh.opt: Add m4-[1234]00* options.
8438 * config/sh/sh.c (sh_handle_option): Likewise.
8439 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8440 (ic_invalidate_array_4-100.o): New rule.
8441 ($(T)libic_invalidate_array_4-100.a): Likewise.
8442 (ic_invalidate_array_4-200.o): Likewise.
8443 ($(T)libic_invalidate_array_4-200.a): Likewise.
8444 (ic_invalidate_array_4a.o): Likewise.
8445 ($(T)libic_invalidate_array_4a.a): Likewise.
8446 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8447 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8449 * config/sh/crt1.asm: Merged in profiling code.
8450 * config/sh/superh.h (STARTFILE_SPEC): Override.
8451 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8452 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8453 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8455 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8456 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8457 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8459 * sh.opt (mpretend-cmove): New option.
8460 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8461 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8462 (movsicc): Add TARGET_PRETEND_CMOVE code.
8464 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8466 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8467 s390_class_max_nregs): New function prototypes.
8468 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8469 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8470 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8471 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8473 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8475 * dwarf2out.c (add_location_or_const_value_attribute): Call
8476 tree_add_const_value_attribute if nothing else works.
8477 (reference_to_unused): New.
8478 (rtl_for_decl_init): Use reference_to_unused to decide whether
8479 to output an initializer.
8481 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8484 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8485 peephole removing spe frob_di_df_2.
8487 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8489 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8490 (subscript_dependence_tester_1): Declared.
8491 (print_dir_vectors, print_dist_vectors): New.
8492 (debug_data_dependence_relation): New.
8493 (dump_data_dependence_relation): Print more details.
8494 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8495 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8496 (save_dist_v, save_dir_v, add_outer_distances,
8497 build_classic_dist_vector_1): New.
8498 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8499 Don't test for lambda_vector_lexico_pos.
8500 (same_access_functions, add_multivariate_self_dist,
8501 add_other_self_distances, dir_from_dist): New.
8502 (build_classic_dir_vector): Replace implementation almost identical to
8503 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8505 (subscript_dependence_tester_1): New.
8506 (subscript_dependence_tester): Handle the lexicographically negative
8507 distance vectors by recomputing the dependence relation.
8508 (compute_affine_dependence): Remove parameter loop_nest_depth.
8509 (compute_self_dependence): Don't call compute_subscript_distance.
8510 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8511 Add a parameter for the loop_nest.
8512 (find_loop_nest_1, find_loop_nest): New.
8513 (compute_data_dependences_for_loop): Compute the loop nest, and give
8514 up if the nest is not well formed.
8515 * tree-data-ref.h (loop_p): New.
8516 (struct data_dependence_relation): Replace size_vect field with
8517 loop_nest, a vec of loops.
8518 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8519 (DDR_LOOP_NEST): New.
8520 (print_dir_vectors, print_dist_vectors,
8521 debug_data_dependence_relation): Declared.
8522 (index_in_loop_nest): New.
8523 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8524 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8527 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8529 * simplify-rtx.c (simplify_relational_operation): Call
8530 simplify_relational_operation_1 even if mode is VOIDmode.
8532 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8534 PR tree-optimization/26804
8535 * tree.h (DECL_CALL_CLOBBERED): New macro.
8536 (tree_decl_common): Add call_clobbered_flag.
8537 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8538 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8539 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8540 (mark_non_addressable): Ditto.
8541 * tree-ssa.c (verify_call_clobbered): New function.
8542 (verify_alias_info): Use it.
8543 * tree-pass.h (pass_reset_cc_flags): New prototype.
8544 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8545 (reset_cc_flags): New function.
8546 * passes.c (init_optimization_passes): Call reset_cc_flags after
8547 initializing referenced_vars.
8549 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8550 Roger Sayle <roger@eyesopen.com>
8553 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8554 to 1.0 for non-real operands. Implement A / A optimization for
8557 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8559 * config/i386/i386.c (size_cost): Correct the comment for
8560 cost of storing fp registers.
8561 (i386_cost): Likewise.
8562 (i486_cost): Likewise.
8563 (pentium_cost): Likewise.
8564 (pentiumpro_cost): Likewise.
8565 (k6_cost): Likewise.
8566 (athlon_cost): Likewise.
8567 (k8_cost): Likewise.
8568 (pentium4_cost): Likewise.
8569 (nocona_cost): Likewise.
8570 (generic64_cost): Likewise.
8571 (generic32_cost): Likewise.
8573 2006-03-24 Denis Chertykov <denisc@overta.ru>
8575 * config/avr/avr-protos.h (extra_constraint): Delete.
8576 (extra_constraint_Q): New declaration.
8577 * config/avr/constraints.md: New file.
8578 * config/avr/avr.md: Include it.
8579 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8580 (TMP_REGNO, ZERO_REGNO): Likewise.
8581 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8582 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8583 (extra_constraint): Delete.
8584 (extra_constraint_Q): Test for memory constraint 'Q'.
8585 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8586 (REG_CLASS_FROM_LETTER): Delete.
8587 (CONST_OK_FOR_LETTER_P): Delete.
8588 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8589 (EXTRA_CONSTRAINT): Delete.
8590 (TMP_REGNO): Delete.
8591 (ZERO_REGNO): Delete.
8593 2006-03-24 Jeff Law <law@redhat.com>
8595 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8596 directly. Call mark_new_vars_to_rename slightly earlier.
8598 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8600 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8602 (gen_compile_unit_die): Use new language types for Objective-C and
8604 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8605 DW_LANG_C_plus_plus.
8608 * config/t-darwin (crt3.o): Work around bug 26840.
8609 * config/darwin-crt3.c: Rewrite.
8610 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8612 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8614 * doc/invoke.texi: Document -femit-class-debug-always
8615 * common.opt: Add -femit-class-debug-always.
8617 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8619 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8620 index and base register.
8621 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8622 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8623 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8624 REGNO_OK_FOR_INDEX_P.
8625 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8627 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8628 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8629 REG_OK_FOR_BASE_P): Definitions removed.
8631 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8634 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8635 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8636 set yet or weren't marked as local yet.
8638 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8640 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8643 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8645 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8646 (rs6000_legitimate_small_data_p): Delete.
8647 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8648 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8649 and make static. Add forward declaration. Update uses.
8650 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8651 of offsettable_memref_p.
8652 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8653 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8655 2006-03-24 Jeff Law <law@redhat.com>
8657 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8658 around bug in immediate-use iterator.
8660 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8663 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8664 or __LITTLE_ENDIAN__.
8666 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8668 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8669 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8670 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8671 * config/sh/sh.opt (mdiv=): Amend description.
8672 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8673 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8674 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8675 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8676 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8677 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8678 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8679 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8680 TARGET_DIVIDE_CALL_FP.
8682 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8684 * haifa-sched.c (choose_ready): Fix type of the local variable.
8685 Move local variables. Add comment.
8686 (check_reg_live): Change signature. Make callable from debugger.
8687 * sched-int.h (check_reg_live): Update signature.
8688 * sched-ebb.c (check_reg_live): Update parameters.
8689 * sched-rgn.c (check_reg_live): Ditto.
8690 (region_head_or_leaf_p): Check pointer before dereferencing.
8691 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8692 before reload on optimization levels below 1.
8694 2006-03-23 Richard Henderson <rth@redhat.com>
8696 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8700 * config/alpha/predicates.md (local_symbolic_operand): Reject
8703 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8706 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8707 expressions which have overflowed constants.
8709 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8711 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8713 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8715 * cfgloopmanip.c (create_loop_notes): Removed.
8716 * final.c (final_scan_insn): Do not handle loop notes.
8717 * jump.c (squeeze_notes): Ditto.
8718 * cfglayout.c (skip_insns_after_block,
8719 duplicate_insn_chain): Ditto.
8720 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8722 * cfgloop.h (create_loop_notes): Declaration removed.
8724 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8726 * varasm.c (output_constant_pool): Restore fnname and fndecl
8728 (assemble_start_function): Adjust call accordingly.
8729 (assemble_end_function): Likewise.
8731 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8734 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8737 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8739 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8742 * system.h (ICE_EXIT_CODE): New macro.
8743 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8744 (diagnostic_action_after_output): Likewise.
8745 * gcc.c (fatal_ice): New function.
8746 (execute): Use it instead of fatal.
8747 (fancy_abort): Likewise.
8748 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8750 2006-03-22 Jeff Law <law@redhat.com>
8752 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8753 iv_analyze_result returning false.
8755 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8757 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8759 2006-03-22 Richard Henderson <rth@redhat.com>
8762 * except.c (duplicate_eh_regions_0): New.
8763 (duplicate_eh_region_1): Duplicate the children of the node as
8764 well as the node itself. Link them up properly.
8765 (duplicate_eh_region_2): Merge into ...
8766 (duplicate_eh_regions): ... here. Take copy_region argument, and
8767 copy only a sub-tree if asked. Simplify copying and fixup.
8768 (eh_region_outer_p): New.
8769 * except.h (duplicate_eh_regions): Update decl.
8770 (eh_region_outer_p): Declare.
8771 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8772 (lower_omp_master): Likewise.
8773 (lower_omp_ordered): Likewise.
8774 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8775 (move_stmt_r): Use it to remap labels. Handle recursion vs
8776 remap_decls_p properly.
8777 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8778 (find_outermost_region_in_block): New.
8779 (new_label_mapper): New.
8780 (move_sese_region_to_fn): Copy eh information to the new function
8782 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8784 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8787 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8789 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8790 into shared libraries.
8792 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8794 * doc/md.texi: Refer to i386/constraints.md instead of
8796 * config/i386/constraints.md: New file, extracted from...
8797 * config/i386/predicates.md: ...here.
8798 * config/i386/i386.md: Include constraints.md.
8800 2006-03-21 Jason Merrill <jason@redhat.com>
8802 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8805 * expr.c (init_block_move_fn): Force default visibility.
8806 (init_block_clear_fn): Likewise.
8807 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8808 * targhooks.c (default_external_stack_protect_fail): Likewise.
8810 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8812 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8813 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8814 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8815 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8816 (loadgp): Use mips_current_loadgp_style.
8817 (loadgp_noshared): New pattern.
8818 (sibcall_internal): Use MIPS_CALL.
8819 (sibcall_value_internal): Likewise.
8820 (sibcall_value_multiple_internal): Likewise.
8821 (call_internal): Likewise.
8822 (call_value_internal): Likewise.
8823 (call_value_multiple_internal): Likewise.
8824 (call_split): Use MIPS_CALL and add an 'S' constraint.
8825 (call_value_split): Likewise.
8826 (call_value_multiple_split): Likewise.
8827 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8828 (-mshared): New option.
8829 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8830 (mips_current_loadgp_style): Declare.
8831 * config/mips/mips.c (mips_classify_symbol): Avoid using
8832 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8833 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8834 TARGET_ABSOLUTE_ABICALLS.
8835 (override_options): Adjust comments. Improve the warning that is
8836 issued when -mabicalls and -G are used together.
8837 (mips_file_start): Remove comment.
8838 (mips_current_loadgp_style): New function.
8839 (mips_gnu_local_gp): New variable.
8840 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8842 (mips_output_function_prologue): Use mips_current_laodgp_style.
8843 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8844 the cprestore instruction.
8845 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8846 live for TARGET_ABSOLUTE_ABICALLS.
8847 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8848 (ASM_SPEC): Pass down -mshared and -mno-shared.
8849 (MIPS_CALL): New macro.
8850 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8852 * doc/invoke.texi (-mabicalls): Update documentation.
8853 (-mshared): Document.
8855 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8857 * config/ia64/unwind-hpux.c: New file.
8858 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8860 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8863 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8865 2006-03-21 Jeff Law <law@redhat.com>
8867 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8868 type conversions of a VR_VARYING source to a wider type.
8870 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8872 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8873 tm_file on Solaris 10 and later.
8874 (sparc64-*-solaris2*): Likewise.
8875 (sparc-*-solaris2*): Likewise.
8876 * config/sol26.h: Rename to config/sol2-6.h.
8877 * config/sol2-10.h: New file.
8879 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8882 * tree-ssa-pre.c (create_component_ref_by_pieces):
8885 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8888 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8889 return it immediately.
8891 2006-03-21 Michael Matz <matz@suse.de>
8893 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8895 (remove_arc, add_arc): Update num_out_arcs member.
8896 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8898 (cache_presence): New function.
8899 (compare_states_for_equiv): New function.
8900 (state_is_differed): Don't take number of outargs, adjust callers.
8901 Use new invariant for speeding up.
8902 (init_equiv_class): Create initial classes based on sorted
8904 (partition_equiv_class): Don't track out_arcs_num.
8905 (evaluate_equiv_classes): Call cache_presence on all states and
8908 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8910 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8911 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8912 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8913 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8915 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8916 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8917 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8918 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8919 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8921 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8922 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8923 (REGNO_REG_CLASS): ARGP is in PREGS.
8924 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8926 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8927 to deal with those addresses.
8928 * addresses.h: New file.
8929 * caller-save.c: Include "addresses.h".
8930 (init_caller_save): Use new base_reg_class function.
8931 * rtl-factoring.c: Include "addresses.h".
8932 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8933 * recog.c: Include "addresses.h".
8934 (preprocess_constraints): Use new base_reg_class function.
8935 * regrename.c: Include "addresses.h".
8936 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8937 functions. Keep track of a new var INDEX_CODE to compute valid
8939 (replace_oldest_value_addr): Likewise.
8940 (replace_oldest_value_mem): Use base_reg_class.
8941 * reload.c: Include "addresses.h".
8942 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8943 (find_reloads): Use new base_reg_class function.
8944 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8945 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8946 all callers and prototype changed.
8947 * reload1.c: Include "addresses.h".
8948 (maybe_fix_stack_asms): Use base_reg_class.
8949 * regclass.c: Include "addresses.h".
8950 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8951 (init_reg_autoinc): Use new base_reg_class function.
8952 (record_reg_classes): Likewise.
8953 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8954 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8955 Use new args to compute necessary class.
8957 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8958 regrename.o, rtl-factoring.o): Update dependencies.
8959 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8960 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8961 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8962 REG_OK_FOR_INDEX_P): Delete documentation.
8964 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8966 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8967 from V7 to V9 for Solaris 7 and above.
8969 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8971 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8972 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8973 argument pointers may not alias any other storage.
8974 * common.opt: Define option -fargument-noalias-anything.
8975 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8976 alias semantics is specified by flag_argument_noalias > 2.
8978 2006-03-20 Jeff Law <law@redhat.com>
8980 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8981 (pass_phi_only_cprop): Declare.
8982 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8984 * tree-ssa-dom.c (degenerate_phi_result): New function.
8985 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8986 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8987 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8988 (eliminate_degenerate_phis): Likewise.
8989 (pass_phi_only_cprop): New pass descriptor.
8990 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8991 support code. Callers updated.
8992 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8993 (store_copy_prop): Likewise.
8994 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8996 2006-03-20 Jason Merrill <jason@redhat.com>
8999 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9000 (push_visibility, pop_visibility): Likewise.
9001 * c-pragma.h: Declare them.
9003 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9005 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9007 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9008 parameter and use get_ebb_head_tail.
9009 (sh_md_init_global): Adjust uses of find_regmode_weight.
9011 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9013 * function.h (struct function) <x_tail_recursion_reentry>:
9014 Rename to x_stack_check_probe_note.
9015 (tail_recursion_reentry): Rename to stack_check_probe_note.
9016 * function.c: Replace tail_recursion_reentry with
9017 stack_check_probe_note everywhere.
9018 (expand_function_start): Only emit a note for
9019 stack_check_probe_note with -fstack-protect.
9020 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9022 * emit-rtl.c (remove_unnecessary_notes): Remove.
9023 (pass_remove_unnecessary_notes): Remove.
9024 * rtl.h (remove_unnecessary_notes): Remove prototype.
9025 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9026 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9027 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9029 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9032 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9033 (valid_in_set): Handle ARRAY_REF.
9034 Change "if min_variant or VH" to asserts.
9035 (create_component_ref_by_pieces): Handle ARRAY_REF.
9036 (create_expression_by_pieces): Likewise.
9037 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9039 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9041 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9042 is operand of switch, not str[0].
9044 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9046 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9047 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9049 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9051 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9052 end of insn_extra_address_constraint declaration.
9054 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9056 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9057 (no-sum-in-toc): Same.
9058 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9060 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9061 NO_FP_IN_TOC for -fPIC instead of mask.
9063 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9064 (BOOT_LDFLAGS): Delete.
9066 * config/rs6000/t-aix52: Same.
9068 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9069 (stmsi[345678]_power): New.
9071 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9073 * config/ia64/ia64.opt: Add empty line to end of file.
9075 2006-03-17 Richard Guenther <rguenther@suse.de>
9078 * builtins.c (get_pointer_alignment): For component style references
9079 adjust alignment to the component type alignment. Make sure
9080 to adjust alignment for component access of constants.
9082 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9084 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9087 2006-03-17 Paul Brook <paul@codesourcery.com>
9089 * doc/install.texi: Docuemnt --with-mode.
9090 * config.gcc: Add --with-mode for arm*-*-*.
9091 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9093 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9095 * sh.c (max_labelno_before_reorg): New variable.
9096 (sh_reorg): Initialize it.
9097 (find_barrier): Check max_labelno_before_reorg before using
9098 label_to_alignment. Take length of explicit alignment insns
9099 into account. When seeing a UNSPECV_CONST_END, return it.
9101 * sh.c (fixup_mova): Set mode of affected label to QImode.
9102 (untangle_mova): New function.
9103 (find_barrier): Use it. Check mode of label before decrementing
9105 (sh_reorg): Likewise.
9106 Set mode of all insns back to VOIDmode.
9108 * sh.c (MOVA_LABELREF): New macro.
9109 (mova_p, fixup_mova, sh_reorg): Use it.
9110 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9111 ADDR_DIFF_VEC matches mova.
9113 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9115 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9116 with ATTRIBUTE_UNUSED.
9118 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9120 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9121 pointer, instead of assuming it is possible to derive the
9122 correct args size from a call insn.
9124 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9126 * rtl.h (CONST_INT_P): Define.
9127 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9128 instead of GET_CODE(x) == CONST_INT.
9129 (vax_rtx_costs): Likewise.
9130 (vax_output_int_move): Likewise.
9131 (vax_output_int_add): Likewise.
9132 (legitimate_constant_address_p): Likewise.
9133 (index_term_p): Likewise.
9134 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9135 * config/vax/vax.md (and<mode>3): Likewise.
9136 (ashrsi3): Likewise.
9138 (movstricthi): Likewise.
9139 (movstrictqi): Likewise.
9140 (rotrsi3): Likewise.
9141 (five unnamed insns): Likewise.
9143 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9145 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9146 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9147 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9148 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9149 Pass to ASM_OUTPUT_DWARF_OFFSET.
9150 * dwarf2out.c (debug_frame_section): New.
9151 (output_call_frame_info): Use debug_frame_section. Pass it to
9152 dw2_asm_output_offset.
9153 (output_die): Pass appropriate section to dw2_asm_output_offset.
9154 (output_compilation_unit_header): Likewise.
9155 (output_pubnames): Likewise.
9156 (output_aranges): Likewise.
9157 (enum dw_val_class): Break dw_val_class_lbl_offset into
9158 dw_val_class_lineptr and dw_val_class_macptr.
9159 (add_AT_lbl_offset): Delete.
9160 (add_AT_lineptr): New.
9161 (add_AT_macptr): New.
9162 (AT_lbl): Expect a lineptr or macptr.
9163 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9164 (attr_checksum): Likewise.
9165 (same_dw_val_p): Likewise.
9166 (size_of_die): Likewise.
9167 (value_format): Likewise.
9168 (output_die): Likewise.
9169 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9171 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9172 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9173 * config/darwin-protos.h (darwin_file_start): New.
9174 (darwin_asm_output_dwarf_offset): New.
9175 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9176 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9178 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9179 if not EH section; simplify.
9180 (darwin_file_start): New.
9181 (darwin_asm_output_dwarf_offset): New.
9182 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9184 (DEBUG_INFO_SECTION): Likewise.
9185 (DEBUG_ABBREV_SECTION): Likewise.
9186 (DEBUG_ARANGES_SECTION): Likewise.
9187 (DEBUG_MACINFO_SECTION): Likewise.
9188 (DEBUG_LINE_SECTION): Likewise.
9189 (DEBUG_LOC_SECTION): Likewise.
9190 (DEBUG_PUBNAMES_SECTION): Likewise.
9191 (DEBUG_STR_SECTION): Likewise.
9192 (DEBUG_RANGES_SECTION): Likewise.
9193 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9194 (ASM_OUTPUT_DWARF_OFFSET): New.
9196 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9198 * config.gcc (tm_defines): Always add to previous value rather
9201 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9203 * config/mips/predicates.md (splittable_const_int_operand): New,
9204 split from move_operand.
9205 (splittable_symbolic_operand): New.
9206 (move_operand): Add commentary. Use splittable_const_int_operand.
9207 Inline mips_atomic_symbolic_constant_p.
9208 * config/mips/mips.md: Add combine splitters for handling moves
9209 of splittable_const_int_operands and splittable_symbolic_operands.
9210 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9211 (mips_split_symbol): Declare.
9212 (mips_move_integer): Declare.
9213 * config/mips/mips.c (mips_split_p): Make global.
9214 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9215 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9216 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9217 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9218 (mips_offset_within_object_p): Handle block symbols.
9219 (mips_atomic_symbolic_constant_p): Delete.
9220 (mips_cannot_force_const_mem): Return false for constants that
9221 mips_legitimize_move can handle.
9222 (mips_use_blocks_for_constant_p): New function.
9223 (mips_split_symbol): Make global.
9224 (mips_move_integer): Likewise. Add a temporary register argument.
9225 (mips_legitimize_const_move): Use splittable_const_int_operand and
9226 splittable_symbolic_operand.
9227 (mips_use_anchors_for_symbol_p): New function.
9228 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9229 (mips_split_p): Declare.
9231 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9233 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9234 (mips*-*-linux*): Likewise.
9236 2006-03-16 Roger Sayle <roger@eyesopen.com>
9237 Daniel Speyer <dspeyer@wam.umd.edu>
9240 * tree-dump.c (dump_real): New function.
9241 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9242 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9243 (tree-dump.o): Add $(REAL_H) to the dependencies.
9245 2006-03-16 Roger Sayle <roger@eyesopen.com>
9248 * real.c (real_from_string): If the mantissa is zero, don't bother
9249 parsing the exponent as the result should always be zero.
9251 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9253 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9255 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9257 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9258 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9259 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9260 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9261 ia64_sched_finish_global): New static functions to implement
9262 hooks from gcc_target.sched.
9263 (spec_check_no, max_uid, pending_data_specs): New static variables.
9264 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9265 ia64_spec_check_src_p): New static functions.
9266 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9267 (TARGET_SCHED_ADJUST_COST): Removed.
9268 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9269 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9270 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9271 TARGET_SCHED_GEN_CHECK,
9272 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9273 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9274 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9275 Fixed to handle speculation checks.
9276 (rtx_needs_barrier): Fixed to handle speculative loads and
9278 (ia64_variable_issue): Added code to count speculative loads and their
9280 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9282 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9284 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9286 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9287 (ia64_reorg): Reset stops_p to NULL after it is freed.
9288 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9289 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9290 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9292 (data_speculative, control_speculative, check_load): New attributes.
9293 (mov<mode>_advanced, mov<mode>_speculative,
9294 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9295 zero_extend<mode>di2_speculative,
9296 zero_extend<mode>di2_speculative_advanced): New patterns for
9297 data and control speculative loads.
9298 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9300 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9301 New pattern for data and control speculation checks.
9302 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9303 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9304 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9305 Auxiliary definitions for the patterns.
9306 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9307 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9309 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9311 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9312 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9313 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9314 New resource constraints.
9315 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9317 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9318 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9319 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9320 msched-in-control-spec, msched-ldc, msched-control-ldc,
9321 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9322 msched-prefer-non-control-spec-insns,
9323 msched-count-spec-in-critical-path): New flags to tune speculative
9325 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9326 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9327 msched-in-control-spec, msched-ldc, msched-control-ldc,
9328 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9329 msched-prefer-non-control-spec-insns,
9330 msched-count-spec-in-critical-path): Document new flags.
9332 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9334 * target.h (struct spec_info_def): New opaque declaration.
9335 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9336 speculate_insn, needs_block_p, gen_check,
9337 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9338 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9339 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9340 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9341 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9342 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9344 (TARGET_SCHED): Use new macros.
9345 * rtl.h (copy_DEPS_LIST_list): New prototype.
9346 * sched-int.h (struct sched_info): Change signature of new_ready field,
9347 adjust all initializations. New fields: add_remove_insn,
9348 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9349 region_head_or_leaf_p.
9350 (struct spec_info_def): New structure declaration.
9351 (spec_info_t): New typedef.
9352 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9353 recovery_block, orig_pat.
9354 (glat_start, glat_end): New variables declaraions.
9355 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9357 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9358 DETACH_LIFE_INFO, USE_GLAT.
9359 (enum SPEC_SCHED_FLAGS): New enumeration.
9360 (NOTE_NOTE_BB_P): New macro.
9361 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9362 attach_life_info, debug_spec_status, check_reg_live): New functions.
9363 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9364 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9366 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9367 * ddg.c (get_block_head_tail): Adjust all uses.
9368 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9369 (sms_sched_info): Initialize new fields.
9370 (contributes_to_priority): Removed.
9371 * haifa-sched.c (params.h): New include.
9372 (get_block_head_tail): Adjust all uses.
9373 (ISSUE_POINTS): New macro.
9374 (glat_start, glat_end): New global variables.
9375 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9376 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9377 old_last_basic_block, before_recovery, current_sched_info_var,
9378 rgn_n_insns, luid): New static variables.
9379 (insn_cost1): New function. Move logic from insn_cost to here.
9380 (find_insn_reg_weight1): New function. Move logic from
9381 find_insn_reg_weight to here.
9382 (reemit_notes, move_insn, max_issue): Change signature.
9383 (move_insn1): Removed.
9384 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9385 extend_bb): New static functions to support extension of scheduler's
9387 (generate_recovery_code, process_insn_depend_be_in_spec,
9388 begin_speculative_block, add_to_speculative_block,
9389 init_before_recovery, create_recovery_block, create_check_block_twin,
9390 fix_recovery_deps): New static functions to support
9391 generation of recovery code.
9392 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9393 restore_bb_notes, move_block_after_check, move_succs): New static
9394 functions to support ebb scheduling.
9395 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9396 functions to support handling of register live information.
9397 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9398 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9399 add_jump_dependencies): New static functions.
9400 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9401 consistancy checking.
9402 (debug_spec_status): New function to call from debugger.
9403 (priority): Added code to handle speculation checks.
9404 (rank_for_schedule): Added code to distinguish speculative instructions.
9405 (schedule_insn): Added code to handle speculation checks.
9406 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9407 Fixed to handle ebbs.
9408 (move_insn): Added code to handle ebb scheduling.
9409 (max_issue): Added code to use ISSUE_POINTS of instructions.
9410 (choose_ready): Added code to choose between speculative and
9411 non-speculative instructions.
9412 (schedule_block): Added code to handle ebb scheduling and scheduling of
9413 speculative instructions.
9414 (sched_init): Initialize new variables.
9415 (sched_finish): Free new variables. Print statistics.
9416 (try_ready): Added code to handle speculative instructions.
9417 * lists.c (copy_DEPS_LIST_list): New function.
9418 * sched-deps.c (extend_dependency_caches): New function. Move logic
9419 from create_dependency_caches to here.
9420 (get_dep_weak, ds_merge): Make global.
9421 * genattr.c (main): Code to output prototype for
9422 dfa_clear_single_insn_cache.
9423 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9424 (output_dfa_clean_insn_cache_func): Code to output
9425 dfa_clear_single_insn_cache function.
9426 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9428 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9430 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9431 New static variables.
9432 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9433 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9435 (ebb_sched_info): Initialize new fields.
9436 (get_block_head_tail): Adjust all uses.
9437 (compute_jump_reg_dependencies): Fixed to use glat_start.
9438 (schedule_ebb): Code to remove unreachable last block.
9439 (schedule_ebbs): Added code to update register live information.
9440 * sched-rgn.c (region_sched_info): Initialize new fields.
9441 (get_block_head_tail): Adjust all uses.
9442 (last_was_jump): Removed. Adjust users.
9443 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9444 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9445 Implement new hooks.
9446 (check_dead_notes1): New static function.
9447 (struct region): New fields: dont_calc_deps, has_real_ebb.
9448 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9449 (BB_TO_BLOCK): Fixed to handle EBBs.
9450 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9451 (ebb_head): New static variable.
9452 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9453 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9455 (compute_dom_prob_ps): New assertion.
9456 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9457 global_live_at_start.
9458 (init_ready_list): New assertions.
9459 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9460 (new_ready): Add support for BEGIN_CONTROL speculation.
9461 (schedule_insns): Fixed code that updates register live information
9463 (schedule_region): Fixed to handle EBBs.
9464 (init_regions): Use extend_regions and check_dead_notes1.
9465 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9466 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9467 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9468 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9469 TARGET_SCHED_GEN_CHECK,
9470 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9471 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9472 * doc/invoke.texi (max-sched-insn-conflict-delay,
9473 sched-spec-prob-cutoff): Document.
9475 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9477 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9478 inter_tick, queue_index.
9479 (struct sched_info): Change signature of init_ready_list field.
9480 Adjust all initializations.
9481 (RESOLVED_DEPS): New access macro.
9482 (ready_add): Remove prototype.
9483 (try_ready): Add prototype.
9484 * sched-rgn.c (init_ready_list): Use try_ready.
9485 (schedule_region): Initialize
9486 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9487 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9488 (init_ready_list): Use try_ready.
9489 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9490 * lists.c (remove_list_elem): Remove `static'.
9491 (remove_free_INSN_LIST_elem): New function.
9492 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9493 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9494 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9496 (readyp): New variable.
9497 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9498 change_queue_index, resolve_dep): New static functions.
9499 (try_ready): New function. Adjust callers in sched-rgn.c and
9500 sched-ebb.c to use it instead of ready_add.
9501 (clock_var): Move at the begining of file.
9502 (rank_for_schedule): Fix typo.
9503 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9504 (ready_lastpos): Enforce assertion.
9505 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9507 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9508 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9509 (queue_to_ready): Use free_INSN_LIST_list.
9510 (early_queue_to_ready): Fix typo.
9511 (schedule_block): Init readyp. Move init_ready_list call after the
9512 initialization of clock_var. Fix error in rejecting insn by
9513 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9514 that previously corrected INSN_TICKs. Add code for handling
9516 (set_priorities): Fix typo.
9517 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9518 Clarify comment and code that keeps current_sched_info->next_tail
9521 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9523 * sched-rgn.c (extend_rgns): New static function.
9524 (find_rgns): Use it.
9525 (gather_region_statistics, print_region_statistics): New static
9527 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9528 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9530 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9531 Andrey Belevantsev <abel@ispras.ru>
9533 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9534 * lists.c (unused_deps_list): New variable.
9535 (free_list): Add assertions to verify the proper distinguishing
9536 between INSN_LISTs and DEPS_LISTs.
9537 (find_list_elem, remove_list_elem, remove_list_node): New static
9539 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9540 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9541 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9542 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9544 (free_INSN_LIST_node): Likewise.
9545 * modulo-sched.c (current_sched_info): Initialize flags field.
9546 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9547 * rtl.def (DEPS_LIST): Define.
9548 * rtl.h: Declare new functions from lists.c.
9549 * sched-deps.c (spec_dependency_cache): New static variable.
9550 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9551 (add_dependence): Change return type to void. Move the logic to ...
9552 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9553 (delete_all_dependences): Add comment about forward_dependency_cache.
9554 Handle spec_dependency_cache. Handle DEPS_LISTs.
9555 (fixup_sched_groups): Clarify the change of priority of output
9556 and anti dependencies.
9557 (sched_analyze_2): Adjust add_dependence calls to create data
9558 speculative dependence.
9559 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9560 Adjust all callers. Handle DEPS_LISTS.
9561 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9562 presence of speculation.
9563 (init_dependency_caches, free_dependency_caches):
9564 Handle spec_dependency_cache.
9565 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9566 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9567 New static functions.
9568 (add_or_update_back_dep, add_or_update_back_forw_dep,
9569 add_back_forw_dep, delete_back_forw_dep): New functions.
9570 * sched-int.h (ds_t, dw_t): New typedefs.
9571 (struct sched_info): Add new field flags.
9572 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9573 Prototype new sched-deps.c functions.
9574 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9575 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9576 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9577 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9578 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9579 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9581 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9583 * sched-rgn.c (current_sched_info): Initialize flags field.
9584 (schedule_insns): Initialize current_sched_info before the sched_init
9586 * sched-ebb.c (current_sched_info): Initialize flags field.
9587 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9588 Call add_or_update_back_dep instead of add_dependence.
9589 Create control speculative dependencies.
9590 (schedule_insns): Initialize current_sched_info before the sched_init
9593 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9595 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9597 (sh_fallback_frame_state): Likewise.
9599 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9601 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9602 Do switch on default_use_cxa_atexit.
9603 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9604 * config/darwin-crt3.o: New.
9605 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9606 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9607 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9609 * config/rs6000/t-darwin: Move crt2.o building to here.
9610 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9611 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9614 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9616 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9617 from '! xxx' to '!xxx' for coding-style conformance.
9618 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9619 (EXTRA_CONSTRAINT): Likewise.
9620 * config/vax/vax.md (four unnamed insns): Likewise.
9622 2006-03-15 Paul Brook <paul@codesourcery.com>
9624 * config/arm/arm.c (minipool_pad): New.
9625 (add_minipool_forward_ref): Include pool alignment padding in address
9627 (push_minipool_fix): Set minipool_pad.
9628 (minipool_pad): Ditto.
9630 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9632 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9633 instead of GET_CODE() == MEM and REG_P() instead of
9635 (print_operand_address): Likewise.
9636 (vax_address_cost): Likewise.
9637 (vax_rtx_costs): Likewise.
9638 (vax_notice_update_cc): Likewise.
9639 (vax_output_int_add): Likewise.
9640 (INDEX_REGISTER_P): Likewise.
9641 (BASE_REGISTER_P): Likewise.
9642 (nonindexed_address_p): Likewise.
9643 (vax_mode_dependent_address_p): Likewise.
9644 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9645 (PRINT_OPERAND): Likewise.
9646 * config/vax/vax.md (ashlsi3): Likewise.
9647 (ashlsi3): Likewise.
9648 (some more unnamed insns): Likewise.
9650 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9652 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9653 iterator-style macro.
9654 (mark_control_dependent_edges_necessary): Update the use of
9655 EXECUTE_IF_CONTROL_DEPENDENT.
9657 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9659 * config/sh/predicates.md (cache_address_operand): Special.
9660 (ua_address_operand): Likewise.
9662 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9664 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9666 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9668 2006-03-15 Andreas Schwab <schwab@suse.de>
9670 * gensupport.c (identify_predicable_attribute): Don't free p_false
9671 when it is still in use.
9673 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9675 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9676 the default setting here.
9678 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9680 * tree-pass.h (pass_cfg): Remove.
9681 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9682 * passes.c (pass_cfg): Don't run it.
9684 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9686 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9687 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9689 (stack_regs_mentioned): Update the uses of
9690 stack_regs_mentioned_data. Don't access the array beyond its
9692 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9693 Don't include gt-reg-stack.h.
9695 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9696 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9698 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9701 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9704 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9706 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9708 2006-03-14 Richard Guenther <rguenther@suse.de>
9710 PR tree-optimization/26672
9711 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9714 2006-03-14 Richard Guenther <rguenther@suse.de>
9716 PR tree-optimization/26667
9717 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9718 node for the callees. Always allow inlining if it will shrink
9721 2006-03-14 Richard Guenther <rguenther@suse.de>
9724 * builtins.c (get_pointer_alignment): Prefer alignment
9725 information from decls over that from types.
9727 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9730 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9732 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9734 * config/rs6000/rs6000.opt (mdlmzb): New option.
9735 (msched-prolog, msched-epilog): Use Var not Mask.
9736 * doc/invoke.texi (-mdlmzb): Document.
9737 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9739 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9740 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9742 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9744 PR rtl-optimization/25739
9745 * bt-load.c (augment_live_range): Free tos pointer.
9747 * gensupport.c (identify_predicable_attribute): Free
9749 * gcov.c (create_file_names): Free name pointer.
9751 2006-03-13 Roger Sayle <roger@eyesopen.com>
9754 * stmt.c (emit_case_nodes): Handle the case where the index is a
9755 CONST_INT, where the comparison mode is specified by the index type.
9757 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9759 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9762 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9764 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9765 (*branch_fp_inverted): Likewise.
9767 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9770 * omp-low.c (expand_omp_for_generic): Mark istart0
9771 and iend0 as addressable.
9773 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9775 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9777 2006-03-13 Jeff Law <law@redhat.com>
9779 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9780 virtual operands are interesting.
9781 (vrp_visit_stmt): Corresponding changes.
9783 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9785 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9787 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9788 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9789 * config/bfin/crti.S: Use it instead of __PIC__.
9790 * config/bfin/crtn.S: Likewise.
9792 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9793 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9795 Lose 'G' modifier for call operand.
9796 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9797 recognize 'G' modifier.
9799 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9802 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9803 * stmt.c (expand_case): Likewise.
9805 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9807 PR rtl-optimization/26254
9808 * loop-invariant.c (seq_insns_valid_p): New function.
9809 (move_invariant_reg): Only emit new code if it is valid.
9811 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9813 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9815 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9816 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9817 (commit_one_edge_insertion): Do not look for loop notes.
9819 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9821 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9822 flag_test_coverage out of loop.
9824 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9826 * final.c (shorten_branches): Remove outdated comment, and turn
9827 the if branch that guards it to continue.
9829 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9831 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9832 * cfgloop.h (struct loop): Remove unused fields.
9834 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9836 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9837 (-dL, -fdump-rtl-loop2): Update the dump file names
9839 * doc/invoke.texi: Update dump file names.
9841 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9843 * predict.c (estimate_probability): Remove.
9844 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9845 * basic-block.h (estimate_probability): Remove prototype.
9846 * passes.c (finish_optimization_passes): Dump branch prediction or
9847 profiling heuristics to the .profile tree dump.
9848 (init_optimization_passes): Unqueue pass_branch_prob.
9850 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9852 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9854 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9855 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9857 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9859 * function.h (frame_offset_overflow): Declare.
9860 * function.c (frame_offset_overflow): New function.
9861 (assign_stack_local_1): Call it to detect that the offset overflows.
9862 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9864 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9866 * config/sh/sh.c: Include alloc-pool.h.
9867 (label_ref_list_pool): New alloc pool.
9868 (label_ref_list_t): New type for lists of labels.
9869 (struct pool_node): Make wend a label_ref_list_t.
9870 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9872 (dump_table): Likewise.
9873 (sh_reorg): Set up the alloc pool before using add_constant and
9874 dump_table, and destroy it when finishing.
9876 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9878 * config/mips/mips.c: Remove redundant comment.
9880 2006-03-10 Jason Merrill <jason@redhat.com>
9883 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9884 the target was declared 'register'.
9886 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9888 * genpreds.c (write_insn_constraint_len): Change definition of
9889 insn_constraint_len to return size_t to match the declaration.
9891 2006-03-10 DJ Delorie <dj@redhat.com>
9893 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9895 (m32c_expand_insv): Fix test for an AND mask.
9897 2006-03-10 Richard Guenther <rguenther@suse.de>
9900 * builtins.c (get_pointer_alignment): Handle component
9901 references for field alignment.
9903 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9905 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9906 when building with libgloss.
9907 (sh*elf): Implement --without-fp option.
9908 (sh64-superh-linux*): Don't multilib.
9910 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9912 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9914 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9916 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9917 Set it when one of the replacement functions returned true.
9918 Return TODO_cleanup_cfg if cfgchanged is true.
9919 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9921 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9923 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9924 instead of gen_lowpart.
9926 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9928 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9930 (mips_output_order_conditional_branch): Declare.
9931 * config/mips/mips.h (MIPS_BRANCH): New macro.
9932 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9933 for the comparison. Use gen_condjump.
9934 (mips_output_conditional_branch): Rework interface to take the
9935 asm templates for a direct branch and the inverse of a direct branch.
9936 (mips_output_order_conditional_branch): New function.
9937 (mips_builtin_branch_and_move): New function.
9938 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9939 branch condition. Use gen_single_cc as the condition for
9940 __builtin_mips_upper_* or __builtin_mips_lower_*.
9941 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9942 Use VOIDmode for the branch condition.
9943 * config/mips/predicates.md (order_operator): New predicate.
9944 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9945 (branch_fp): Rename to...
9946 (*branch_fp): ...this. Remove mode from comparison operator.
9947 Use new mips_output_conditional_branch interface.
9948 (branch_fp_inverted): Rename to...
9949 (*branch_fp_inverted): ...this and update as for *branch_fp.
9950 (*branch_zero<mode>): Rename to...
9951 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9952 Use mips_output_order_conditional_branch. Only accept ordered
9954 (*branch_zero<mode>_inverted): Rename to...
9955 (*branch_order<mode>_inverted): ...this and update as for
9956 *branch_order<mode>.
9957 (*branch_equality<mode>): Accept zero as the second operand to
9958 the equality operator. Use the new mips_output_conditional_branch
9960 (*branch_equality<mode>_inverted): Likewise.
9961 (condjump): New expander.
9962 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9964 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9965 (bc1any2t, bc1any2f): Likewise.
9966 (single_cc): New expander.
9967 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9969 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9971 * doc/md.texi: Update documentation of MIPS constraints.
9972 * config/mips/constraints.md: New file.
9973 * config/mips/mips.md: Include it.
9974 * config/mips/mips.c (mips_char_to_class): Delete.
9975 (override_options): Don't initialize mips_char_to_class.
9976 * config/mips/mips.h (mips_char_to_class): Delete.
9977 (REG_CLASS_FROM_LETTER): Delete.
9978 (CONST_OK_FOR_LETTER_P): Delete.
9979 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9980 (EXTRA_CONSTRAINT_Y): Delete.
9981 (EXTRA_CONSTRAINT_STR): Delete.
9982 (CONSTRAINT_LEN): Delete.
9983 (EXTRA_MEMORY_CONSTRAINT): Delete.
9985 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9987 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9988 original fn's eh regions.
9990 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9992 * fold-const.c (build_range_check): Make sure to use a valid type to
9993 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9996 (range_predecessor): New static function.
9997 (range_successor): Likewise.
9998 (merge_ranges): Use them to compute predecessors and successors of
10001 2006-03-09 Roger Sayle <roger@eyesopen.com>
10003 PR middle-end/26561
10004 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10005 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10007 2006-03-08 DJ Delorie <dj@redhat.com>
10009 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10010 (addpsi3): Expand to include memory operands. Remove
10011 reload-specific splits.
10012 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10013 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10014 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10015 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10016 (shift1_qi, shift1_hi, insv): New.
10017 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10018 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10019 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10021 * config/m32c/m32c-protos.h: Update as needed.
10022 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10023 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10024 Fail for unrecognized R* constraints.
10025 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10026 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10027 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10029 (m32c_init_libfuncs): New.
10030 (m32c_legitimate_address_p): Add debug wrapper.
10031 (m32c_rtx_costs): New.
10032 (m32c_address_cost): New.
10033 (conversions): Add 'B' prefix.
10034 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10035 operands, or word regnames for QI operands. 'B' prints bit
10037 (m32c_expand_setmemhi): New.
10038 (m32c_expand_movmemhi): New.
10039 (m32c_expand_movstr): New.
10040 (m32c_expand_cmpstr): New.
10041 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10042 (m32c_expand_neg_mulpsi3): Handle non-ints.
10043 (m32c_cmp_flg_0): New.
10044 (m32c_expand_movcc): New.
10045 (m32c_expand_insv): New.
10046 (m32c_scc_pattern): New.
10047 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10048 a0/a1 out of SIregs.
10049 (STORE_FLAG_VALUE): New.
10050 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10053 * config/m32c/mov.md: Make constraints more liberal.
10054 (zero_extendqihi2): Optimize r0/r1 case.
10055 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10056 * config/m32c/predicates.md (m32c_any_operand): New.
10057 (m32c_nonimmediate_operand): New.
10058 (m32c_hl_operand): New.
10059 (m32c_r3_operand): New.
10062 (memsym_operand): New.
10063 (memimmed_operand): New.
10064 (a_qi_operand): New.
10065 (m32c_eqne_operator): New.
10066 (m32c_1bit8_operand): New.
10067 (m32c_1bit16_operand): New.
10068 (m32c_1mask8_operand): New.
10069 (m32c_1mask16_operand): New.
10070 * config/m32c/blkmov.md: New file.
10071 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10073 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10075 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10076 unsigned to fix signed/unsigned comparison issue in
10077 DWARF2_FRAME_REG_OUT.
10078 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10079 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10081 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10082 of ptr into the ENABLE_CHECKING section.
10084 2006-03-08 Jeff Law <law@redhat.com>
10086 * tree-vrp.c (infer_value_range): Only count pointer uses
10087 and dereferences if -fdelete-null-pointer-checks is enabled.
10089 * tree-vrp.c (find_assert_locations): Infer value ranges for
10090 single use pointers, but do not create ASSERT_EXPRs for them.
10091 When a non-null range is inferred for a pointer, backwards
10092 propagate that range to other equivalent pointers through the
10095 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10098 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10099 language hook targets.
10100 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10101 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10102 if language hook targets were missing.
10104 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10106 * tree-ssa-opfinalize.h: Removed.
10107 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10109 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10110 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10111 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10112 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10113 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10114 finalize_ssa_v_must_def_ops): New.
10116 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10118 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10119 block as parameter.
10121 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10123 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10125 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10126 addresses with offsets; reorganize.
10128 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10129 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10130 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10132 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10135 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10137 2006-03-08 Ben Elliston <bje@au.ibm.com>
10139 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10141 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10144 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10147 2006-03-07 Richard Guenther <rguenther@suse.de>
10149 PR tree-optimization/26587
10150 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10152 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10154 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10156 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10158 * hooks.c (hook_bool_mode_rtx_true): New function.
10159 * hooks.h (hook_bool_mode_rtx_true): Declare.
10160 * toplev.c (compile_file): Call output_shared_constant_pool.
10161 * varasm.c (shared_constant_pool): New variable.
10162 (assemble_start_function, assemble_end_function): Remove arguments
10163 from call to output_constant_pool.
10164 (create_constant_pool): New function, split out from...
10165 (init_varasm_status): ...here.
10166 (force_const_mem): Choose between the shared and per-function constant
10167 pools. Set current_function_uses_const_pool when reusing old entries
10168 as well as when creating new ones.
10169 (mark_constant): Ignore data argument.
10170 (mark_constants): Remove pool argument.
10171 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10172 to decide whether the function uses a constant pool.
10173 (output_constant_pool_contents): New function, split out from...
10174 (output_constant_pool): ...here.
10175 (output_shared_constant_pool): New function.
10176 (init_varasm_once): Initialize shared_constant_pool.
10177 * output.h (output_constant_pool): Delete.
10178 (output_shared_constant_pool): Declare.
10179 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10180 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10182 2006-03-06 Nick Clifton <nickc@redhat.com>
10184 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10185 flag_strength_reduce.
10187 2006-03-06 Ben Elliston <bje@au.ibm.com>
10189 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10190 x86_64-*-linux* configurations.
10192 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10193 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10195 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10197 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10199 * basic-block.h: Remove the extern for
10200 rediscover_loops_after_threading.
10202 * cfgloop.c (cancel_loop): Make it static.
10203 * cfgloop.h: Remove the prototype for cancel_loop.
10205 * flow.c (recompute_reg_usage): Make it static.
10206 * rtl.h: Remove the prototype for recompute_reg_usage.
10208 * function.c (use_return_register): Make it static.
10209 * function.h: Remove the prototype.
10211 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10213 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10215 * recog.h: Remove the prototype for
10216 validate_change_maybe_volatile.
10218 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10220 * rtlanal.c (replace_reg): Remove.
10221 * rtl.h: Remove the prototype for replace_reg.
10223 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10225 * regclass.c (reg_scan_update): Remove.
10226 (reg_scan_mark_refs): Remove the last argument.
10227 * rtl.h: Remove the prototype for reg_scan_update.
10229 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10231 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10232 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10233 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10234 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10235 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10236 loop-invariant.c, omp-low.c, opts.c, passes.c,
10237 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10238 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10239 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10240 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10241 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10242 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10244 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10246 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10247 * dwarf2out.h: Remove the prototype for
10248 dwarf2out_add_library_unit_info.
10250 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10252 * tree.c (add_var_to_bind_expr): Remove.
10253 * tree.h: Remove the prototype for add_var_to_bind_expr.
10255 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10257 * regclass.c (n_non_fixed_regs): Remove.
10258 (init_reg_sets_1, globalize_reg): Remove all uses of
10260 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10262 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10264 * rtlanal.c (insns_safe_to_move_p): Remove.
10265 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10267 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10269 * expmed.c (expand_mult_add): Remove.
10270 * expr.h: Remove the prototype for expand_mult_add.
10272 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10274 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10275 and REG_SAVED_VAL_EXP constants.
10276 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10277 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10278 Handle regs stored by value.
10279 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10280 (execute_cfa_program): Handle DW_CFA_val_offset,
10281 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10282 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10283 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10284 (uw_install_context_1): Handle target regs stored by value.
10286 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10288 * tree-sra.c (tree_sra): Return todoflags;
10289 (generate_one_element): Set TODO_update_smt_usage if needed.
10290 (pass_sra): Remove TODO_update_smt_usage.
10291 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10293 (tree_ssa_forward_propagate_single_use_vars): Return
10294 TODO_update_smt_usage if we need to update SMT usage.
10295 (pass_forwprop): Remove TODO_update_smt_usage.
10297 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10299 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10300 (correct_use_link): Remove reference to get_stmt_operands.
10301 (update_stmt_operands): Likewise.
10302 (get_modify_expr_operands): New function factored out of
10303 parse_ssa_operands and get_expr_operands.
10304 Try to create V_MUST_DEFs for LHS by default.
10305 (get_expr_operands) <case MODIFY_EXPR>: Call
10306 get_modify_expr_operands.
10307 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10308 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10309 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10310 get_modify_expr_operands.
10312 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10314 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10315 * tree-flow.h: Remove the prototype for
10316 referenced_var_lookup_if_exists.
10318 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10320 PR rtl-optimization/26345
10322 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10324 2006-03-03 Roger Sayle <roger@eyesopen.com>
10326 PR tree-optimization/26524
10327 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10328 fold_convert to create a constant of the appropriate type.
10330 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10332 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10333 SYMBOL_REF_IN_BLOCK_P.
10334 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10335 of SYMBOL_FLAG_IN_BLOCK.
10336 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10337 instead of SYMBOL_REF_IN_BLOCK_P.
10338 * explow.c (use_anchored_address): Likewise.
10339 * rtl.c (rtx_size): Likewise.
10340 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10341 instead of SYMBOL_FLAG_IN_BLOCK.
10342 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10343 SYMBOL_REF_IN_BLOCK_P.
10344 (assemble_variable): Likewise.
10345 (output_constant_def_contents): Likewise.
10346 (output_constant_pool): Likewise.
10347 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10348 instead of SYMBOL_FLAG_IN_BLOCK.
10349 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10350 SYMBOL_REF_IN_BLOCK_P.
10351 (SYMBOL_REF_BLOCK): Likewise.
10352 (SYMBOL_REF_OFFSET): Likewise.
10353 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10354 SYMBOL_REF_IN_BLOCK_P.
10355 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10356 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10357 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10358 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10360 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10362 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10364 2006-03-02 Roger Sayle <roger@eyesopen.com>
10366 * simplify-rtx.c (simplify_unary_operation): When simplifying
10367 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10368 that we perform the right shift in the appropriate mode, and
10369 then extend or truncate the result to requested mode.
10371 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10373 * gengtype.c (main): Handle double_int type.
10374 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10375 * double-int.c: New file.
10376 * double-int.h: New file.
10377 * system.h: Include doubleint.h.
10378 * Makefile.in (SYSTEM_H): Include double-int.h.
10379 (double-int.o): Add.
10381 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10384 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10387 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10389 * tree-vrp.c (remove_range_assertions): Do not update statements
10392 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10394 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10396 * gcse.c (rest_of_handle_gcse): Ditto.
10397 * except.c (gate_handle_eh): Ditto.
10398 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10399 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10401 2006-03-02 Eric Christopher <echristo@apple.com>
10403 * config/i386/i386.c (machopic_output_stub): Add indirection to
10406 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10410 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10412 Sun Niagara specific optimizations.
10413 * config.gcc: Recognize niagara as target.
10414 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10415 (TARGET_CPU_niagara): Define.
10416 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10417 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10418 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10419 (ASM_CPU_SPEC): Likewise.
10420 (PROCESSOR_NIAGARA): New enum entry.
10421 (REGISTER_MOVE_COST): Handle Niagara.
10422 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10423 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10424 (sparc_override_options): Recognize "niagara", set appropriate
10425 default MASK_* values for it, and align functions to 32-bytes
10426 by default just like ULTRASPARC/ULTRASPARC3.
10427 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10428 (sparc64_initialize_trampoline): Likewise.
10429 (sparc_use_sched_lookahead): Use zero for niagara.
10430 (sparc_issue_rate): Use one for niagara.
10431 * config/sparc/niagara.md: New file.
10432 * config/sparc/sparc.md: Include it.
10433 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10434 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10435 when default cpu is niagara.
10436 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10437 (ASM_CPU_SPEC): Likewise.
10438 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10439 when default cpu is niagara.
10440 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10441 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10442 just like v9/ultrasparc/ultrasparc3.
10443 * doc/invoke.texi: Add documentation for "niagara" and improve
10444 existing documentation for ultrasparc variants.
10446 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10448 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10450 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10452 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10453 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10454 and say that only one is needed.
10455 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10456 * target.h (have_switchable_bss_sections): New hook.
10457 * explow.c (use_anchored_address): Check that the symbol is in a block.
10458 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10459 (bss_noswitch_section): New variables.
10460 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10461 (get_noswitch_section): New function.
10462 (get_block_for_section): Allow SECT to be null.
10463 (unlikely_text_section_p): Use SECTION_STYLE.
10464 (bss_initializer_p): New function.
10465 (get_variable_section): Move earlier in file. Take a new argument,
10466 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10467 Return one of the new *_sections in such cases.
10468 (get_block_for_decl): New function, extracting some logic from
10469 use_blocks_for_decl_p.
10470 (change_symbol_section): Remove in favor of...
10471 (change_symbol_block): ...this new function.
10472 (use_blocks_for_decl_p): Remove checks now performed by
10473 get_block_for_decl.
10474 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10475 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10476 (emit_local, emit_bss, emit_common): ...these new functions.
10477 Return true if the alignment was honored.
10478 (emit_tls_common): New function.
10479 (asm_emit_uninitialised): Delete.
10480 (assemble_variable_noswitch): New function, split out from...
10481 (assemble_variable): ...here. Don't make decisions about common
10482 variables here. Globalize all public decls that go into non-common
10483 sections. Check whether SYMBOL_REF_BLOCK is null.
10484 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10485 (output_constant_pool): Likewise.
10486 (init_varasm_once): Initialize the new section variables.
10487 (have_global_bss_p): New function.
10488 (categorize_decl_for_section): Use bss_initializer_p.
10489 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10490 (place_block_symbol): Assert that the symbol must be in a block.
10491 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10492 (TARGET_INITIALIZER): Include it.
10493 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10494 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10495 (SECTION_MACH_DEP): Bump by two.
10496 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10497 (unnamed_section): Mention SECTION_UNNAMED in comment.
10498 (named_section): Likewise SECTION_NAMED.
10499 (noswitch_section_callback): New type.
10500 (noswitch_section): New structure.
10501 (section): Add a noswitch_section alternative.
10502 (SECTION_STYLE): New macro.
10503 (tls_comm_section, comm_section, lcomm_section): Declare.
10504 (bss_noswitch_section, have_global_bss_p): Declare.
10505 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10506 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10508 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10509 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10512 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10514 * tree-vrp.c (execute_vrp): Return value.
10515 * regrename.c (rest_of_handle_regrename): Ditto.
10516 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10517 * tree-complex.c (tree_lower_complex): Ditto.
10518 (tree_lower_complex_O0): Ditto.
10519 * tracer.c (rest_of_handle_tracer): Ditto.
10520 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10521 * postreload.c (rest_of_handle_postreload): Ditto.
10522 * tree-tailcall.c (execute_tail_recursion): Ditto.
10523 (execute_tail_calls): Ditto.
10524 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10525 * tree.h (init_function_for_compilation): Ditto.
10526 * ipa-cp.c (ipcp_driver): Ditto.
10527 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10528 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10529 * final.c (compute_alignments): Ditto.
10530 (rest_of_handle_final): Ditto.
10531 (rest_of_handle_shorten_branches): Ditto.
10532 (rest_of_clean_state): Ditto.
10533 * omp-low.c (execute_expand_omp): Ditto.
10534 (execute_lower_omp): Ditto.
10535 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10536 * ipa-reference.c (static_execute): Ditto.
10537 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10538 * reorg.c (rest_of_handle_delay_slots): Ditto.
10539 (rest_of_handle_machine_reorg): Ditto.
10540 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10541 * flow.c (recompute_reg_usage): Ditto.
10542 (rest_of_handle_remove_death_notes): Ditto.
10543 (rest_of_handle_life): Ditto.
10544 (rest_of_handle_flow2): Ditto.
10545 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10546 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10547 (do_ssa_store_ccp): Ditto.
10548 (execute_fold_all_builtins): Ditto.
10549 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10550 * modulo-sched.c (rest_of_handle_sms): Ditto.
10551 * ipa-pure-const.c (static_execute): Ditto.
10552 * cse.c (rest_of_handle_cse): Ditto.
10553 (rest_of_handle_cse2): Ditto.
10554 * web.c (rest_of_handle_web): Ditto.
10555 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10556 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10557 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10558 * tree-nrv.c (tree_nrv): Ditto.
10559 (execute_return_slot_opt): Ditto.
10560 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10561 (create_structure_vars): Ditto.
10562 * loop-init.c (rtl_loop_init): Ditto.
10563 (rtl_loop_done): Ditto.
10564 (rtl_move_loop_invariants): Ditto.
10565 (rtl_unswitch): Ditto.
10566 (rtl_unroll_and_peel_loops): Ditto.
10567 (rtl_doloop): Ditto.
10568 * gimple-low.c (lower_function_body): Ditto.
10569 (mark_used_blocks): Ditto.
10570 * tree-ssa-sink.c (execute_sink_code): Ditto.
10571 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10572 (cgraph_early_inlining): Ditto.
10573 * global.c (rest_of_handle_global_alloc): Ditto.
10574 * jump.c (cleanup_barriers): Ditto.
10575 (purge_line_number_notes): Ditto.
10576 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10577 (rest_of_handle_if_after_reload): Ditto.
10578 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10579 (tree_ssa_loop_im): Ditto.
10580 (tree_ssa_loop_unswitch): Ditto.
10581 (tree_vectorize): Ditto.
10582 (tree_linear_transform): Ditto.
10583 (tree_ssa_loop_ivcanon): Ditto.
10584 (tree_ssa_empty_loop): Ditto.
10585 (tree_ssa_loop_bounds): Ditto.
10586 (tree_complete_unroll): Ditto.
10587 (tree_ssa_loop_prefetch): Ditto.
10588 (tree_ssa_loop_ivopts): Ditto.
10589 (tree_ssa_loop_done): Ditto.
10590 * predict.c (tree_estimate_probability): Ditto.
10591 * recog.c (split_all_insns_noflow): Ditto.
10592 (rest_of_handle_peephole2): Ditto.
10593 (rest_of_handle_split_all_insns): Ditto.
10594 * tree-eh.c (lower_eh_constructs): Ditto.
10595 * regmove.c (rest_of_handle_regmove): Ditto.
10596 (rest_of_handle_stack_adjustments): Ditto.
10597 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10598 * function.c (instantiate_virtual_regs): Ditto.
10599 (init_function_for_compilation): Ditto.
10600 (rest_of_handle_check_leaf_regs): Ditto.
10601 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10602 (rest_of_handle_gcse): Ditto.
10603 * ipa-type-escape.c (type_escape_execute): Ditto.
10604 * alias.c (rest_of_handle_cfg): Ditto.
10605 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10606 * profile.c (rest_of_handle_branch_prob): Ditto.
10607 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10608 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10609 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10610 * tree-dfa.c (find_referenced_vars): Ditto.
10611 * except.c (set_nothrow_function_flags): Ditto.
10612 (convert_to_eh_region_ranges): Ditto.
10613 (rest_of_handle_eh): Ditto.
10614 * emit-rtl.c (unshare_all_rtl): Ditto.
10615 (remove_unnecessary_notes): Ditto.
10616 * except.h (set_nothrow_function_flags): Ditto.
10617 (convert_to_eh_region_ranges): Ditto.
10618 * cfgexpand.c (tree_expand_cfg): Ditto.
10619 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10620 * tree-ssa-pre.c (do_pre): Ditto.
10621 (execute_fre): Ditto.
10622 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10623 (rest_of_handle_jump2): Ditto.
10624 * tree-sra.c (tree_sra): Ditto.
10625 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10626 (execute_mudflap_function_decls): Ditto.
10627 * tree-ssa-copy.c (do_copy_prop): Ditto.
10628 (do_store_copy_prop): Ditto.
10629 * ipa-prop.h (ipcp_driver): Ditto.
10630 * cfglayout.c (insn_locators_initialize): Ditto.
10631 * tree-ssa-forwprop.c
10632 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10633 * cfglayout.h (insn_locators_initialize): Ditto.
10634 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10635 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10636 (execute_late_warn_uninitialized): Ditto.
10637 * rtl.h (cleanup_barriers): Ditto.
10638 (split_all_insns_noflow): Ditto.
10639 (purge_line_number_notes): Ditto.
10640 (unshare_all_rtl): Ditto.
10641 (remove_unnecessary_notes): Ditto.
10642 (recompute_reg_usage): Ditto.
10643 (variable_tracking_main): Ditto.
10644 * integrate.c (emit_initial_value_sets): Ditto.
10645 * integrate.h (emit_initial_value_sets): Ditto.
10646 * tree-optimize.c (execute_free_datastructures): Ditto
10647 (execute_free_cfg_annotations): Ditto.
10648 (execute_fixup_cfg): Ditto.
10649 (execute_cleanup_cfg_pre_ipa): Ditto.
10650 (execute_cleanup_cfg_post_optimizing): Ditto.
10651 (execute_init_datastructures): Ditto.
10652 * tree-object-size.c (compute_object_sizes): Ditto.
10653 * combine.c (rest_of_handle_combine): Ditto.
10654 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10655 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10656 (rest_of_handle_reorder_blocks): Ditto.
10657 (rest_of_handle_partition_blocks): Ditto.
10658 * var-tracking.c (variable_tracking_main): Ditto.
10659 * tree-profile.c (tree_profiling): Ditto.
10660 * tree-vect-generic.c (expand_vector_operations): Ditto.
10661 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10662 * sched-rgn.c (rest_of_handle_sched): Ditto.
10663 (rest_of_handle_sched2): Ditto.
10664 * basic-block.h (free_bb_insn): Ditto.
10665 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10666 * tree-cfg.c (execute_build_cfg): Ditto.
10667 (remove_useless_stmts): Ditto.
10668 (split_critical_edges): Ditto.
10669 (execute_warn_function_return): Ditto.
10670 (execute_warn_function_noreturn): Ditto.
10671 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10672 * cfgrtl.c (free_bb_for_insn): Ditto.
10673 * passes.c (execute_one_pass): Run additional
10674 todos returned by execute function.
10675 * tree-pass.h (struct tree_opt_pass): Make execute
10678 2006-03-02 Richard Guenther <rguenther@suse.de>
10680 * tree-ssa-alias.c (find_used_portions): Consider taking
10681 the address as making the variable not write-only.
10683 2006-03-02 Nick Clifton <nickc@redhat.com>
10685 * config.gcc (default_use_cxa_atexit): Extend the description of
10686 this configure variable. Set its default value to "yes" for
10687 Linux, NetBSD and ELF targets on the assumption that they will
10688 use C libraries with the __cxa_atexit function.
10690 2006-03-02 Ben Elliston <bje@au.ibm.com>
10692 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10693 parameter as unused to suppress a build warning.
10695 2006-03-02 Ben Elliston <bje@au.ibm.com>
10697 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10700 2006-03-01 Roger Sayle <roger@eyesopen.com>
10703 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10704 declared name, the weak reference name, and the typeof name.
10705 (__gthrw): Avoid expanding the declared name suffix.
10706 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10708 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10710 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10712 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10713 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10714 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10715 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10716 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10717 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10718 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10719 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10720 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10721 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10722 (DW_END_default, DW_END_big, DW_END_little): New.
10723 (DW_END_lo_user, DW_END_hi_user): Define.
10724 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10725 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10726 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10729 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10731 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10733 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10735 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10737 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10739 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10740 to 'symbol_mem_tag'.
10742 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10745 2006-03-01 Roger Sayle <roger@eyesopen.com>
10747 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10749 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10752 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10753 MACHO_DYNAMIC_NO_PIC_P.
10754 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10756 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10759 * config/darwin-protos.h (darwin_asm_output_anchor):
10761 * config/darwin-sections.def (cstring_section):
10762 Add SECTION_MERGE to the flags.
10763 (literal4_section): Likewise.
10764 (literal8_section): Likewise.
10765 (objc_selector_refs_section): Likewise.
10766 (objc_cls_refs_section): Likewise.
10767 * config/darwin.c (darwin_asm_output_anchor): New
10769 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10771 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10773 Fix PR tree-optimization/26443
10774 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10775 to todo and PROP_tmt_usage to properties_destroyed.
10776 * tree-ssa-ccp.c (pass_ccp): Ditto.
10777 (pass_store_ccp): Ditto.
10778 * tree-ssa-dom.c (pass_dominator): Ditto.
10780 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10782 * tree-ssa-operands.c: Cleanup whitespace.
10783 (get_asm_expr_operands): Move before first invocation.
10784 (get_indirect_ref_operands): Likewise.
10785 (get_tmr_operands): Likewise.
10786 (get_call_expr_operands): Likewise.
10787 (append_def): Likewise.
10788 (append_use): Likewise.
10789 (append_v_may_def): Likewise.
10790 (append_v_must_def): Likewise.
10791 (add_call_clobber_ops): Likewise.
10792 (add_call_read_ops): Likewise.
10793 (add_stmt_operand): Likewise.
10794 (add_virtual_operand): Likewise.
10795 (build_ssa_operands): Likewise.
10797 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10799 PR middle-end/26022
10801 PR middle-end/24437
10802 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10803 with a call expr to ...
10804 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10806 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10808 * tree-vrp.c (extract_range_from_assert): Remove special
10809 handling for types with super-types.
10811 2006-03-01 Ben Elliston <bje@au.ibm.com>
10813 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10814 and powerpc64-*-linux* configurations.
10815 * config/t-dfprules: New file.
10817 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10818 Compile dfp-bit.c from the source directory using -DWIDTH and
10819 $DFP_CFLAGS to control the compilation of that file, rather than
10820 generating width-specific versions in the build directory.
10821 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10822 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10824 2006-02-28 Zack Weinberg <zackw@panix.com>
10826 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10829 2006-02-28 Eric Christopher <echristo@apple.com>
10831 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10832 Set up IN_LIBGCC definition of TARGET_64BIT.
10833 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10835 2006-02-28 Roger Sayle <roger@eyesopen.com>
10837 PR middle-end/14752
10838 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10839 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10840 cases via the construction of "expr != 0".
10842 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10844 * alias.c (alias_invariant, alias_invariant_size): Remove.
10845 (record_base_value): Remove.
10846 (memrefs_conflict_p): Don't look at alias_invariant.
10847 (end_alias_analysis): Don't free it.
10848 * alias.h (record_base_value): Remove prototype.
10850 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10851 Adam Nemet <anemet@caviumnetworks.com>
10853 * rtl.h (truncated_to_mode): Declare it.
10854 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10855 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10856 (RTL_HOOKS_INITIALIZER): Include it.
10857 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10858 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10859 reg_truncated_to_mode.
10860 * rtlanal.c (truncated_to_mode): Define it.
10861 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10863 2006-02-28 Jeff Law <law@redhat.com>
10865 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10866 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10867 the range allowed by TYPE_PRECISION.
10869 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10871 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10873 PR tree-optimization/26419
10874 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10877 2006-02-27 Zack Weinberg <zackw@panix.com>
10879 * doc/md.texi: Fix typo in previous change.
10881 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10885 2006-02-27 Zack Weinberg <zackw@panix.com>
10887 * rtl.def (define_constraint, define_register_constraint)
10888 (define_memory_constraint, define_address_constraint): New MD forms.
10889 * gensupport.c (process_rtx): Put define_constraint etc on the
10891 * genpreds.c (process_define_predicate): Adjust comment. Validate
10892 the name, and call validate_exp to validate the expression.
10893 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10894 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10895 all callers changed.
10896 (validate_exp, needs_variable, struct constraint_data)
10897 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10898 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10899 (const_dbl_constraints, constraint_max_namelen)
10900 (have_register_constraints, have_memory_constraints)
10901 (have_address_constraints, have_address_constraints)
10902 (have_extra_constraints, have_const_int_constraints)
10903 (have_const_dbl_constraints, mangle, add_constraint)
10904 (process_define_constraint, process_define_register_constraint)
10905 (write_enum_constraint_num, write_lookup_constraint)
10906 (write_insn_constraint_len, write_regclass_for_constraint)
10907 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10908 (write_insn_extra_memory_constraint)
10909 (write_insn_extra_address_constraint)
10910 (write_satisfies_constraint_fns): New.
10911 (write_tm_preds_h): If we have new-style constraint definitions,
10912 prototype the functions generated from them, and define the
10913 old constraint interface (still used by generic code) in terms of
10915 (write_insn_preds_c): If we have new-style constraint definitions,
10916 generate all relevant functions from those definitions.
10917 (main): Handle define_constraint etc.
10918 * genoutput.c (struct constraint_data, indep_constraints)
10919 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10920 (mdep_constraint_len): New data structures and functions, defined
10921 #ifdef USE_MD_CONSTRAINTS.
10922 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10923 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10924 use new logic to validate operand constraints against constraint
10926 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10928 * defaults.h: If none of the old-style constraint macros are
10929 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10930 old-style macros; and poison REG_CLASS_FROM_LETTER,
10931 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10933 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10934 * doc/md.texi: Document new constraint-definition mechanism and the
10935 C interface it provides. Remove references to old mechanism
10936 elsewhere in the document.
10937 (Machine Constraints): Use pathnames relative to gcc directory,
10938 i.e. config/ARCH/FILE. Change i386 section to refer to
10939 config/i386/predicates.md; update that section to match docstrings.
10940 * doc/tm.texi: Move all documentation of the old constraint-
10941 definition macros to their own section, clearly mark as obsolete.
10943 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10944 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10946 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10947 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10948 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10949 constraint strings.
10950 (splits and peepholes): Use satisfies_constraint_*.
10951 * config/i386/i386.c (memory_address_length)
10952 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10954 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10956 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10957 scalar operation to be put back into the loop.
10959 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10962 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10963 (extract_cie_info): Handle S flag in augmentation string.
10964 (execute_cfa_program): If context->signal_frame, execute also
10965 fs->pc == context->ra instructions.
10966 (uw_frame_state_for): If context->signal_frame, don't subtract one
10967 from context->ra to find FDE.
10968 (uw_update_context_1): Set context->signal_frame to
10970 (_Unwind_GetIPInfo): New function.
10971 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10972 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10974 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10975 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10976 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10977 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10978 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10979 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10980 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10981 x86_64_fallback_frame_state): Set fs->signal_frame.
10982 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10983 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10984 (frob_update_context): Likewise. Workaround missing S flag in
10985 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10986 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10987 Remove the psw_addr + 1 hack.
10989 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10991 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10992 with aggregates here.
10993 (find_func_aliases): Remove code for &<aggregate> from here.
10995 2006-02-26 Roger Sayle <roger@eyesopen.com>
10997 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10998 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10999 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11000 as (X & C) ne/eq 0.
11002 2006-02-26 Roger Sayle <roger@eyesopen.com>
11004 PR middle-end/19983
11005 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11007 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11009 * opts.c (decode_options): Do not handle flag_strength_reduce.
11010 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11011 and OPT_fstrength_reduce.
11012 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11013 flag_prefetch_loop_arrays for being nonzero.
11014 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11016 (fprefetch-loop-arrays-rtl): Removed.
11017 (flag_prefetch_loop_arrays): Do not specify the value.
11019 * doc/passes.texi: Update documentation of loop optimizer
11021 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11022 -frerun-loop-opt): Remove.
11024 2006-02-26 Richard Guenther <rguenther@suse.de>
11026 PR tree-optimization/26421
11027 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11028 in function calls that are ADDR_EXPRs as using the whole structure.
11030 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11032 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11033 * tree-pass.h (pass_loop_optimize): Remove.
11034 * passes.c (pass_loop_optimize): Never run it.
11035 * toplev.c (backend_init): Don't call init_loop.
11036 * opts.c (flag_loop_optimize_set): Remove.
11037 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11038 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11039 the old RTL loop optimizer when profiling enabled.
11040 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11041 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11042 pre-headers for the sake of the old RTL loop optimizer.
11043 * Makefile.in: Remove all references to loop.o.
11045 * doc/invoke.texi: Remove all references to -floop-optimize
11046 and -frerun-loop-opt.
11048 2006-02-26 Zack Weinberg <zackw@panix.com>
11050 * doc/md.texi (Machine Constraints): Refer to all files with paths
11051 relative to gcc directory (i.e. config/CPU/file). Add missing
11052 @table @code ... @end table to M32C subsection.
11054 2006-02-26 Roger Sayle <roger@eyesopen.com>
11056 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11058 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11060 2006-02-26 Roger Sayle <roger@eyesopen.com>
11061 James A. Morrison <phython@gcc.gnu.org>
11063 PR middle-end/21137
11064 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11065 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11066 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11067 signedness of the shift operation.
11069 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11071 PR tree-optimization/26359
11072 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11074 2006-02-25 Roger Sayle <roger@eyesopen.com>
11076 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11077 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11078 as X == 0, and some symmetry related transformations.
11079 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11081 2006-02-25 Roger Sayle <roger@eyesopen.com>
11083 PR middle-end/23673
11084 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11085 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11086 symmetry related transformations. Fold (X^C1) == C2 as
11089 2006-02-25 Juergen Weigert <jw@suse.de>
11090 Richard Guenther <rguenther@suse.de>
11092 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11094 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11096 * combine.c (gen_lowpart_or_truncate): Call
11097 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11099 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11101 * doc/invoke.texi: Move -fopenmp description to "Options for
11103 Remove reference to -lgomp.
11105 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11107 * doc/install.texi: Require GNU tar version 1.14.
11109 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11111 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11112 * doc/invoke.texi (C++ Dialect Options): Document
11113 -fno-use-cxa-get-exception-ptr.
11114 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11115 * configure: Regenerate.
11116 * c.opt (fuse-cxa-get-exception-ptr): New.
11117 * c-opts.c (c_common_handle_option): Handle
11118 OPT_fuse_cxa_get_exception_ptr.
11119 * c-common.c (flag_use_cxa_atexit): Update documentation.
11120 (flag_use_cxa_get_exception_ptr): New.
11121 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11122 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11124 (C_COMMON_OVERRIDE_OPTIONS): New.
11126 2006-02-24 Roger Sayle <roger@eyesopen.com>
11128 PR middle-end/24952
11129 * combine.c (try_combine): Explicitly check whether GET_CODE is
11130 a SET or a CLOBBER, instead on checking that it isn't a USE.
11132 2006-02-24 Roger Sayle <roger@eyesopen.com>
11134 * fold-const.c (fold_comparison): New subroutine of fold_binary
11135 containing transformations common to both the equality and
11136 ordering relational operators, factored out of fold_binary.
11137 (fold_binary): Separate out the equality operators (EQ_EXPR
11138 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11139 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11140 transformations common to both.
11141 (fold_div_compare): Fix latent bugs in the previously unreachable
11142 LT_EXPR and GE_EXPR cases.
11144 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11146 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11147 decl libname for clog to __clog on AIX.
11149 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11151 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11154 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11155 output traceback table for thunks. Localise rs6000_stack_info call.
11157 2006-02-23 Roger Sayle <roger@eyesopen.com>
11158 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11160 * gthr-posix.h (__gthrw): Fix typo in comment.
11162 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11164 * doc/cpp.texi (Character sets): Document that we do support
11165 input files to be in any character set.
11167 2006-02-23 Jeff Law <law@redhat.com>
11169 * tree.h (PHI_ARG_NONZERO): Remove.
11170 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11171 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11172 node to the new node.
11174 PR tree-optimization/26425
11175 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11176 min/max, then assume its varying.
11178 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11180 PR rtl-optimization/26316
11181 * rtlanal.c (enum may_trap_p_flags): New.
11182 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11183 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11184 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11185 (may_trap_after_code_motion_p): New function.
11186 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11187 (find_invariant_insn): Use may_trap_after_code_motion_p.
11188 * rtl.h (may_trap_after_code_motion_p): Declare.
11190 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11192 * emit-rtl.c (immed_double_const): Cleanup.
11194 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11196 Fix PR tree-optimization/26376
11197 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11200 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11202 PR middle-end/26412
11203 * gimplify.c (omp_add_variable): Guard variable size decl test with
11204 DECL_SIZE (decl) check.
11206 2006-02-23 Richard Guenther <rguenther@suse.de>
11208 PR middle-end/26439
11209 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11210 like aggregate types.
11212 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11214 * configure.ac: Add --with{,out}-long-double-128 configure option.
11215 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11216 * configure: Rebuilt.
11217 * config.in: Rebuilt.
11218 * doc/install.texi (Options specification): Document
11219 --with-long-double-128.
11221 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11222 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11223 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11224 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11226 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11228 * config/s390/s390.c (override_options): Handle
11229 TARGET_DEFAULT_LONG_DOUBLE_128.
11231 * config/alpha/alpha.c (override_options): Handle
11232 TARGET_DEFAULT_LONG_DOUBLE_128.
11234 * config/sparc/sparc.c (sparc_override_options): Handle
11235 TARGET_DEFAULT_LONG_DOUBLE_128.
11237 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11239 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11240 (real-install-headers-tar, real-install-headers-cpio)
11241 (real-install-headers-cp): New targets.
11243 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11245 * tree.h (variable_section): Delete.
11246 * varasm.c (variable_section): Delete.
11248 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11250 * install.texi: Add notes on install.texi2html.
11251 (Building in parallel): Do not use footnotes.
11253 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11256 * doc/install.texi (Configuration): Document --disable-libgomp.
11258 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11260 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11262 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11264 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11265 (vec_extractv2df_0_sse): New.
11267 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11269 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11270 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11271 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11272 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11273 to the result of the expression.
11274 (def_cfa_1): Adjust.
11275 (frame_pointer_cfa_offset): Rename to...
11276 (frame_pointer_fb_offset): ... this. Adjust all uses.
11277 (convert_cfa_to_loc_list): Rename to...
11278 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11279 Pass it on to build_cfa_loc.
11280 (compute_frame_pointer_to_cfa_displacement): Rename to...
11281 (compute_frame_pointer_to_fb_displacement): ... this. New
11282 offset parameter. Use it in computation.
11283 (gen_subprogram_die): Compute cfa_fb_offset with the new
11284 macro, and use it to compute the fb loc list and the
11287 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11289 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11290 replaced with register_operand.
11291 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11292 non-DREG is expensive.
11293 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11294 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11297 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11299 * doc/install.texi2html: Use set -e.
11301 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11303 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11304 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11305 * doc/invoke.texi (-fshared-data): Delete.
11306 * common.opt (fshared-data): Delete.
11307 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11308 (assemble_static_space): Remove #if 0 code.
11309 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11310 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11311 * config/cris/cris.h: Remove FIXME.
11313 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11315 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11318 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11320 PR middle-end/26379
11321 * combine.c (simplify_shift_const_1): Disable nested shifts
11322 optimization for vector shifts.
11324 2006-02-20 Roger Sayle <roger@eyesopen.com>
11326 PR tree-optimization/26361
11327 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11328 of unsigned integer types.
11330 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11332 * tree-chrec.c (eq_evolutions_p): New.
11333 * tree-chrec.h (eq_evolutions_p): Declared.
11334 * tree-data-ref.c: Fix formatting.
11335 (datadep_stats, dependence_stats): New.
11337 (print_direction_vector): New.
11338 (dump_data_dependence_relation): Use print_direction_vector.
11339 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11340 (compute_subscript_distance): Static.
11341 (initialize_data_dependence_relation): Static. Get the number
11342 of loops surrounding the references from the callers, and initialize
11343 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11344 base_object_differ_p analyzers.
11345 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11346 compute_overlap_steps_for_affine_1_2,
11347 analyze_subscript_affine_affine): Count the classified dependences.
11348 Print a message when a test failed.
11349 (can_use_analyze_subscript_affine_affine): New.
11350 (analyze_siv_subscript): Compute the data dependences on symbolic
11351 scevs that verify can_use_analyze_subscript_affine_affine.
11352 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11353 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11354 Handle symbolic scevs.
11355 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11357 (subscript_dependence_tester): Moved...
11358 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11359 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11360 DDR_SIZE_VECT instead of getting it in parameter.
11361 (subscript_dependence_tester): ... here. Take as a parameter
11362 loop_nest_depth. Call build_classic_dist_vector and
11363 build_classic_dir_vector.
11364 (compute_affine_dependence): Update subscript_dependence_tester
11365 parameters. Update datadep_stats counters. Call
11366 compute_subscript_distance.
11367 (compute_self_dependence): Save the dist and dir vectors. Call
11368 compute_subscript_distance.
11369 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11370 (compute_all_dependences): Reorder parameters as they were before
11371 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11372 compute_subscript_distance. Update the use of
11373 compute_affine_dependence and initialize_data_dependence_relation.
11374 (find_data_references_in_loop): Handle COMPONENT_REF.
11375 (compute_data_dependences_for_loop): Initialize dependence_stats.
11376 Don't call build_classic_dist_vector and build_classic_dir_vector.
11377 Update the parameters of initialize_data_dependence_relation and
11378 compute_all_dependences. Print the statistics from datadep_stats.
11379 (analyze_all_data_dependences): Static. Not used until the pass for
11380 checking the data dependences is contributed.
11381 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11382 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11383 (initialize_data_dependence_relation, compute_affine_dependence,
11384 analyze_all_data_dependences, compute_subscript_distance): Removed.
11385 (print_direction_vector): New.
11386 * lambda.h (gcd): ... here.
11387 (lambda_vector_gcd): Moved here from gcd_vector.
11388 * lambda-code.c (gcd, gcd_vector): Removed.
11389 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11390 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11392 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11394 * ipa-type-escape.c: Tidy some comments and white space.
11395 * tree-ssa-operands.c: Likewise.
11397 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11400 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11401 (dump_decl_name): Do not walk the decl tree chains.
11402 * tree-pass.h (TDF_CHAIN): Remove.
11404 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11406 * Makefile.in (C): Remove
11408 (.PHONY): Remove C and PROTO
11410 2006-02-20 Roger Sayle <roger@eyesopen.com>
11412 PR middle-end/26236
11413 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11414 deprecated CHAR_TYPE tree code.
11416 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11418 * configure.ac (target_list): Add install-info, dvi, html.
11419 * configure: Regenerate.
11421 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11422 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11423 treelang/Make-lang.in: Do not use double-colon rules.
11425 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11427 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11428 (TMT_USED_ALONE): New macro.
11429 * tree-pass.h (PROP_tmt_usage): New property.
11430 (TODO_update_tmt_usage): New todo.
11431 * tree-ssa-alias.c (updating_used_alone): New variable.
11432 (recalculate_used_alone): New function.
11433 (compute_may_aliases): Set updating_used_alone, call
11434 recalculate_used_alone.
11435 * tree-sra.c (pass_sra): Note that this pass destroys
11436 PROP_tmt_usage, and add TODO_update_tmt_usage.
11437 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11438 * tree-flow.h (updating_used_alone): Prototype.
11439 (recalculate_used_alone): Ditto.
11440 * passes.c (execute_todo): Add code to set updating_used_alone,
11441 and call recalculate.
11442 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11443 for clobber if used alone, and add assert to verify used_alone
11446 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11448 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11449 for non tls symbols added.
11450 (legitimize_address): Do nothing for PLUS expressions if one of the
11451 addends is a tls symbol reference.
11453 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11457 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11459 * Makefile.in (BOOTSTRAPPING): New.
11460 (quickstrap): New definition if BOOTSTRAPPING=yes.
11462 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11463 * configure.ac: Substitute all_selected_languages with the languages
11464 that were configured. For all the other variables except
11465 lang_specs_files, include all the languages in the tree.
11466 * configure: Regenerate.
11468 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11469 if there is one. Run the commands to run fixincludes in the same
11472 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11473 * doc/install.texi: Document exact conventions for searching target tools.
11474 Document --with-build-time-tools. Document toplevel bootstrap. Document
11475 something more about building an Ada cross-compiler. Don't list GNU Make
11476 requirements which affect all platforms.
11478 2006-02-19 Roger Sayle <roger@eyesopen.com>
11480 PR middle-end/19543
11481 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11482 only equivalent if the have both the same mode and precision.
11484 2006-02-20 Ben Elliston <bje@au.ibm.com>
11486 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11488 2006-02-19 Roger Sayle <roger@eyesopen.com>
11489 Steven Bosscher <stevenb.gcc@gmail.com>
11491 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11492 constant pool references to identify stack mode constants.
11493 * rtlanal.c (constant_pool_constant_p): New predicate to check
11494 whether operand is a floating point constant in the pool.
11495 * rtl.h (constant_pool_constant_p): Prototype here.
11496 * loop.c (scan_loop): Avoid hoisting constants from the constant
11497 pool on STACK_REGS targets.
11498 (load_mems): Likewise.
11499 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11500 loads into x87 registers expensive in terms of register pressure.
11502 2006-02-19 Roger Sayle <roger@eyesopen.com>
11504 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11505 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11507 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11509 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11510 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11512 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11514 * doc/invoke.texi: Document -fipa-pta.
11515 * common.opt: Add ipa-pta option.
11516 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11517 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11518 (do_ds_constraint): Ditto.
11519 (get_constraint_for): Only add to referenced_vars if
11520 referenced_vars exists.
11521 (insert_into_field_list): Rewrite to do this unsorted.
11522 (insert_into_field_list_sorted): Rename old insert_into_field_list
11524 (create_function_info_for): Use insert_into_field_list_sorted.
11525 (create_variable_info_for): Rewrite so it uses unsorted version,
11526 since the field list is sorted.
11527 (intra_create_variable_infos): Only add to referenced_vars if
11528 referenced_vars exists.
11529 (ipa_pta_execute): Init heapvars, and delete when done.
11530 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11532 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11534 * doc/install.texi: Add missing `@samp'.
11536 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11538 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11541 2006-02-18 Mark Wielaard <mark@klomp.org>
11543 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11544 who added new 4.1 features, bug fixes and integration support.
11546 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11549 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11550 MEM for ABI_V4 pic.
11552 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11554 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11555 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11556 (copy_insn_1): Likewise. Don't copy each field individually.
11558 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11560 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11561 * rtl.c (rtx_size): Rename variable to...
11562 (rtx_code_size): ...this.
11563 (rtx_size): New function.
11564 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11565 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11567 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11568 * rtl.h (rtx_code_size): New variable.
11569 (rtx_size): Change from a variable to a function.
11570 (RTX_SIZE): Rename to...
11571 (RTX_CODE_SIZE): ...this.
11574 PR tree-optimization/17106
11575 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11576 (Anchored Addresses): New section.
11577 * doc/invoke.texi (-fsection-anchors): Document.
11578 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11579 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11580 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11581 * hooks.c (hook_bool_mode_rtx_false): New function.
11582 * hooks.h (hook_bool_mode_rtx_false): Declare.
11583 * gengtype.c (create_optional_field): New function.
11584 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11585 SYMBOL_REF_IN_BLOCK_P is true.
11586 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11587 (min_anchor_offset, max_anchor_offset): Likewise.
11588 (use_anchors_for_symbol_p): New hook.
11589 * toplev.c (compile_file): Call output_object_blocks.
11590 (target_supports_section_anchors_p): New function.
11591 (process_options): Check that -fsection-anchors is only used on
11592 targets that support it and when -funit-at-a-time is in effect.
11593 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11594 if the decl doesn't have one.
11595 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11596 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11597 of force_const_mem through use_anchored_address.
11598 (expand_expr_constant): New function.
11599 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11600 calling expand_expr for INDIRECT_REF.
11601 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11602 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11603 * expr.h (use_anchored_address): Declare.
11604 * loop-unroll.c: Don't declare rtx vectors here.
11605 * explow.c: Include output.h.
11606 (validize_mem): Call use_anchored_address.
11607 (use_anchored_address): New function.
11608 * common.opt (-fsection-anchors): New switch.
11609 * varasm.c (object_block_htab, anchor_labelno): New variables.
11610 (hash_section, object_block_entry_eq, object_block_entry_hash)
11611 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11612 (use_blocks_for_decl_p, change_symbol_section): New functions.
11613 (get_variable_section): New function, split out from assemble_variable.
11614 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11615 use_blocks_for_decl_p say so. Use change_symbol_section if the
11616 symbol has already been created.
11617 (assemble_variable_contents): New function, split out from...
11618 (assemble_variable): ...here. Don't output any code for
11619 block symbols; just pass them to place_block_symbol.
11620 Use get_variable_section and assemble_variable_contents.
11621 (get_constant_alignment, get_constant_section, get_constant_size): New
11622 functions, split from output_constant_def_contents.
11623 (build_constant_desc): Create a block symbol if use_object_blocks_p
11624 says so. Or into SYMBOL_REF_FLAGS.
11625 (assemble_constant_contents): New function, split from...
11626 (output_constant_def_contents): ...here. Don't output any code
11627 for block symbols; just pass them to place_section_symbol.
11628 Use get_constant_section and get_constant_alignment.
11629 (force_const_mem): Create a block symbol if use_object_blocks_p and
11630 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11631 (output_constant_pool_1): Add an explicit alignment argument.
11632 Don't switch sections here.
11633 (output_constant_pool): Adjust call to output_constant_pool_1.
11634 Switch sections here instead. Don't output anything for block symbols;
11635 just pass them to place_block_symbol.
11636 (init_varasm_once): Initialize object_block_htab.
11637 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11638 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11639 (place_block_symbol, get_section_anchor, output_object_block)
11640 (output_object_block_htab, output_object_blocks): New functions.
11641 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11642 (TARGET_ASM_OUT): Include it.
11643 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11644 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11645 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11646 (TARGET_INITIALIZER): Include them.
11647 * rtl.c (rtl_check_failed_block_symbol): New function.
11648 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11649 (block_symbol, object_block): New structures.
11650 (rtx_def): Add a block_symbol field to the union.
11651 (BLOCK_SYMBOL_CHECK): New macro.
11652 (rtl_check_failed_block_symbol): Declare.
11653 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11654 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11655 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11656 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11657 * output.h (output_section_symbols): Declare.
11658 (object_block): Name structure.
11659 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11660 (default_use_anchors_for_symbol_p): Declare.
11661 * Makefile.in (RTL_BASE_H): Add vec.h.
11662 (explow.o): Depend on output.h.
11663 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11664 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11665 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11666 (rs6000_use_blocks_for_constant_p): New function.
11668 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11670 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11672 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11675 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11678 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11680 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11684 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11686 PR middle-end/26334
11687 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11688 instead of DECL_REGISTER.
11690 2006-02-18 Olivier Hainque <hainque@adacore.com>
11693 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11695 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11698 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11699 * opth-gen.awk: Handle Var and InverseMask together.
11700 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11701 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11702 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11703 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11705 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11706 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11707 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11708 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11709 LINUX_DYNAMIC_LINKER): Define.
11710 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11711 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11713 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11714 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11715 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11716 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11717 (TARGET_C99_FUNCTIONS): Don't define.
11718 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11719 GLIBC_DYNAMIC_LINKER.
11720 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11721 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11722 GLIBC_DYNAMIC_LINKER64): Define.
11723 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11724 LINUX_DYNAMIC_LINKER64.
11725 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11727 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11729 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11730 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11731 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11732 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11733 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11734 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11735 and LINUX_DYNAMIC_LINKER32.
11736 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11737 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11738 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11739 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11740 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11742 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11743 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11744 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11745 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11746 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11747 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11748 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11749 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11750 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11751 LINUX_DYNAMIC_LINKER): Define.
11752 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11753 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11754 GLIBC_DYNAMIC_LINKER64): Define.
11755 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11756 LINUX_DYNAMIC_LINKER64.
11757 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11758 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11759 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11760 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11761 LINUX_DYNAMIC_LINKER): Define.
11762 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11763 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11764 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11765 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11766 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11767 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11768 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11769 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11770 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11771 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11772 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11773 * doc/invoke.texi (-muclibc): Remove caveat about supported
11776 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11778 * doc/cpp.texi (__TIMESTAMP__): Document.
11780 2006-02-17 Roger Sayle <roger@eyesopen.com>
11782 PR middle-end/25600
11783 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11784 C is one less than the width of X (and related transformations).
11785 * simplify-rtx.c (simplify_unary_operation_1): Transform
11786 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11787 depending on STORE_FLAG_VALUE, were C is one less then the
11790 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11792 Fix PR tree-optimization/26341
11793 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11794 about NAME_MEMORY_TAG's.
11796 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11799 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11800 with hardware float support, and software float support. Add fcpy
11801 alternative to hardware patterns. Add alternatives to copy between
11802 general and floating-point registers to the 32-bit pattern.
11803 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11804 secondary reload to load a QI or HI mode constant into a floating
11806 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11807 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11809 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11812 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11814 (load_macho_picbase_di): Likewise.
11816 2006-02-16 Jeff Law <law@redhat.com>
11818 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11819 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11820 (ssa_name_nonzero_p): Likewise.
11821 (get_value_range): Return NULL if VRP is not running.
11822 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11823 VRP routines do not discover a range.
11824 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11825 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11826 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11827 (tree_expr_nonnegative_p): Similarly.
11828 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11829 (restore_nonzero_vars_to_original_value): Remove.
11830 (unsafe_associative_fp_binop): Remove.
11831 (tree_ssa_dominator_optimize): Remove initialization and
11832 finalization of nonzero_vars and nonzero_vars_stack.
11833 (dom_opt_initialize_block): No longer push marker on
11834 nonzero_vars_stack.
11835 (dom_opt_finalize_block): No longer call
11836 restore_nonzero_vars_to_original_value.
11837 (record_equivalences_from_phis): No longer look for
11838 nonzero PHI arguments.
11839 (cprop_into_successor_phis): No longer propagate nonzero
11840 property into PHI arguments. Lose unused argument. Caller
11842 (record_equivalences_from_stmt): No longer record nonzero
11843 values for SSA_NAMEs.
11844 (lookup_avail_expr): No longer use nonzero_vars.
11846 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11847 for sizetype when sizetype is unsigned.
11849 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11851 PR rtl-optimization/25603
11852 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11853 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11854 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11855 with new meaning of SETS.
11857 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11862 * config/linux.opt: New file.
11863 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11864 LINUX_DYNAMIC_LINKER): Define.
11865 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11866 * config.gcc (*-*-linux*): Define extra_options.
11867 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11868 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11869 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11870 GLIBC_DYNAMIC_LINKER.
11871 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11872 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11873 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11874 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11875 * doc/invoke.texi (GNU/Linux Options): New section.
11877 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11879 * config/sparc/sparc.md (setjmp): Rewrite.
11880 (setjmp_32): Delete.
11881 (setjmp_64): Likewise.
11883 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11885 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11888 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11890 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11893 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11895 PR rtl-optimization/26296
11896 * Makefile.in (loop-invariant.c): Add except.h dependency.
11897 * loop-invariant.c: Include except.h.
11898 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11900 2005-02-16 Paul Brook <paul@codesourcery.com>
11902 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11905 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11907 PR rtl-optimization/25636
11908 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11909 when deciding whether an insn is an initializing insn.
11911 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11913 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11914 (tree_code_size): Ditto.
11915 * tree.h (struct tree_memory_tag): Remove parent_var.
11916 (struct tree_struct_field_tag): New.
11919 (union tree_node): Add sft member.
11920 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11922 (create_sft): Add size and offset argument, set SFT_OFFSET and
11924 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11925 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11926 * tree-flow-inline.h (get_subvar_at): Update for
11927 SFT_OFFSET/SFT_SIZE.
11928 (var_can_have_subvars): Ditto.
11929 (overlap_subvar): Ditto.
11930 * print-tree.c (print_node): Print out interesting things for
11932 * tree-flow.h (struct subvar): Remove offset and size members.
11933 * tree-ssa-operands.c (get_expr_operands): Update for
11934 get_indirect_ref_operands changes.
11935 (get_indirect_ref_operands): Call add_virtual_operand instead of
11936 add_stmt_operand. Only recurse on base var if requested.
11937 (access_can_touch_variable): New function.
11938 (add_stmt_operand): Split virtual operand handling into ...
11939 (add_virtual_operand): Here. Add offset, size, and for_clobber
11940 arguments. Prune alias sets.
11941 (add_call_clobber_ops): Call add_virtual_operand.
11943 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11945 PR middle-end/26300
11946 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11948 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11949 than TREE_CODE as index into omp_clause_num_ops array.
11951 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11953 PR rtl-optimization/26184
11954 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11956 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11957 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11958 must_precede, must_follow and tobe_scheduled.
11961 * opts.c (common_handle_option): Free new_option pointer.
11962 * df-core.c (df_analyze): Free postorder pointer.
11964 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11966 * Makefile.in: Fix the examples about the use of stamps
11968 2006-02-15 Michael Matz <matz@suse.de>
11970 PR middle-end/22275
11972 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11973 influenced by maximum_field_alignment or DECL_PACKED.
11974 (update_alignment_for_field): Ditto.
11975 (place_field): Ditto.
11976 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11979 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11981 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11982 (debug_flow_info): Pass it.
11983 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11984 * bb-reorder.c (reorder_basic_blocks): Likewise.
11985 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11986 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11987 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11988 * gcse.c (gcse_main, bypass_jumps): Likewise.
11989 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11990 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11991 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11992 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11993 * rtl.h (dump_flow_info): Adjust prototype.
11994 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11995 * var-tracking.c (variable_tracking_main): Likewise.
11996 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11997 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12000 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12002 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12005 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12007 PR tree-optimization/26209
12008 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12009 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12011 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12013 2006-02-14 Roger Sayle <roger@eyesopen.com>
12015 PR middle-end/23670
12016 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12017 (X,Y) and the corresponding symmetry related transformations.
12018 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12019 (X,Y) and its symmetry related transformations.
12021 2006-02-14 Roger Sayle <roger@eyesopen.com>
12023 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12026 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12028 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12030 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12033 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12034 support COMDAT group.
12035 * configure: Regenerate.
12037 2006-02-14 Roger Sayle <roger@eyesopen.com>
12039 PR middle-end/26279
12040 PR middle-end/26280
12041 PR middle-end/26283
12042 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12044 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12046 Fix PR tree-optimization/26260
12048 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12050 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12051 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12052 * tree-ssa-structalias.c (create_variable_info_for): Use
12053 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12055 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12057 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12059 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12060 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12061 of the ending condition.
12062 * tree-ssa-loop-manip.c: Include params.h.
12063 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12064 tree_unroll_loop): New functions.
12065 * tree-pass.h (pass_loop_prefetch): Declare.
12066 * loop.c (rest_of_handle_loop_optimize): Test for
12067 -fprefetch-loop-arrays-rtl.
12068 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12069 * timevar.def (TV_TREE_PREFETCH): New timevar.
12070 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12071 pass_loop_prefetch): New.
12072 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12073 (cleanup_tree_cfg_loop): Call scev_reset.
12074 * common.opt (fprefetch-loop-arrays-rtl): Add.
12075 * tree-ssa-loop-prefetch.c: New file.
12076 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12077 (new_temp_expr_table): Initialize expr_vars.
12078 (free_temp_expr_table): Cleanup expr_vars.
12079 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12080 expressions from being merged into one.
12081 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12082 (struct tree_niter_desc): Add control, bound and cmp fields.
12083 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12085 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12086 (tree-cfgcleanup.o): Add SCEV_H dependency.
12087 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12088 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12090 2006-02-14 Richard Guenther <rguenther@suse.de>
12092 PR tree-optimization/26258
12093 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12094 in PHI argument processing.
12096 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12098 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12099 new expression in the requested machine mode.
12101 2006-02-13 Roger Sayle <roger@eyesopen.com>
12103 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12104 directly, instead let do_compare_rtx_and_jump handle this for us.
12105 * expr.c (expand_expr_real_1): Likewise.
12106 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12107 before do_jump_by_parts_greater.
12108 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12109 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12111 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12113 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12115 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12117 PR rtl-optimization/26235
12118 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12119 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12122 2006-02-13 Jeff Law <law@redhat.com>
12124 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12127 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12129 PR middle-end/26092
12130 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12131 twice if decl is a builtin. When trying again, call get_callee_fndecl
12132 first to verify it is still a builtin.
12134 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12136 * dwarf2out.c (base_type_die): Don't add AT_name here.
12137 (subrange_type_die): Don't add AT_name here.
12138 (modified_type_die): Rearrange code flow. Do add AT_name here.
12140 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12142 PR rtl-optimization/26247
12143 PR rtl-optimization/26248
12144 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12146 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12148 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12149 * config/fixtfdi.c: Likewise.
12150 * config/fixunstfdi.c: Likewise.
12151 * config/floatditf.c: Likewise.
12153 2006-02-13 Roger Sayle <roger@eyesopen.com>
12155 PR middle-end/24427
12156 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12157 into (X,C2) if C1 is a subset of the bits of C2. Transform
12158 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12160 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12162 2006-02-13 Josh Conner <jconner@apple.com>
12165 * varasm.c (function_section): Check for section name before
12166 calling select_section on targets that define
12167 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12168 unlikely_text_section instead of hot_function_section if
12169 first_function_block_is_cold.
12171 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12173 PR middle-end/25335
12174 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12176 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12178 PR rtl-optimization/26222
12179 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12180 after tree->rtl expansion.
12181 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12182 before passing it to emit_move_insn.
12184 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12186 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12188 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12189 Clarify documentation.
12190 * c-common.h (warn_write_strings): Remove.
12191 * c-common.c (warn_write_strings): Likewise.
12192 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12195 2006-02-12 Roger Sayle <roger@eyesopen.com>
12197 PR middle-end/25724
12198 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12199 (do_jump_parts_zero_rtx): New function renamed from
12200 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12201 (do_jump_parts_equality_rtx): New function split out from
12202 do_jump_parts_equality. Old implementation renamed as above.
12203 Call do_jump_parts_zero_rtx if either operand is zero.
12204 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12205 do all of the heavy lifting.
12206 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12207 calling either do_jump_by_parts_greater_rtx or
12208 do_jump_by_parts_equality_rtx.
12209 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12210 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12211 moved to do_compare_rtx_and_jump, call it directly.
12212 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12213 mode argument. Call do_compare_rtx_and_jump.
12214 (emit_case_nodes): Update calls to do_jump_if_equal.
12216 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12218 PR rtl-optimization/26225
12219 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12221 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12223 PR rtl-optimization/26232
12224 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12226 2006-02-11 Jason Merrill <jason@redhat.com>
12229 * tree-inline.c (declare_return_variable): Just don't use the
12230 modify target if it's a gimple complex reg and the return slot
12233 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12235 * doc/contrib.texi: Update my entry.
12237 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12239 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12241 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12243 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12246 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12248 * doc/invoke.texi (-floop-optimize2): Removed.
12249 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12250 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12251 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12252 * common.opt (floop-optimize2): Removed.
12253 (fmove-loop-invariants): Enabled by default.
12255 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12257 * tree-if-conv.c (combine_blocks): Free the result of
12258 get_loop_exit_edges.
12260 2006-02-10 Jeff Law <law@redhat.com>
12262 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12264 PR tree-optimization/26213
12265 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12266 loop trying to follow SSA_NAME_VALUE chains.
12268 2006-02-10 Richard Guenther <rguenther@suse.de>
12270 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12271 deal with structures that end in implicitly variable sized arrays.
12273 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12275 PR rtl-optimization/24762
12276 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12279 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12281 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12282 (struct ivopts_data): Add regs_used field.
12283 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12284 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12285 instead of loop_data->regs_used;
12286 (free_loop_data): Do not free aux fields for loops.
12287 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12288 and tree_ssa_iv_optimize_finalize.
12290 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12292 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12294 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12297 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12298 computing the effective result type.
12300 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12302 PR inline-asm/16194
12303 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12304 (tree_overlaps_hard_reg_set): Declare.
12305 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12306 type and signature to match function type expected by walk_tree.
12307 (tree_overlaps_hard_reg_set): New function.
12308 (decl_conflicts_with_clobbers_p): Rename to:
12309 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12310 Use tree_overlaps_hard_reg_set. Changed caller.
12311 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12312 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12313 * cris.c (cris_md_asm_clobbers): Likewise.
12315 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12317 * reload1.c (emit_input_reload_insns): Delete code that tries to
12318 inherit using find_equiv_reg.
12320 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12322 * c-common.h (flag_const_strings): Don't declare.
12323 * c-common.c (flag_const_strings): Remove.
12324 * c.opt (fconst_strings): Remove.
12325 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12326 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12327 (c_common_init_options): Don't set flag_const_strings.
12328 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12330 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12332 * arm.md (tlobits_cbranch): New pattern.
12333 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12334 testing a single bit.
12336 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12339 * tree-ssa-pre.c (create_component_ref_by_pieces):
12340 Handle RETURN_DECL like VAR_DECL.
12342 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12344 PR middle-end/26134
12345 * fold-const.c (fold_indirect_ref_1): Fold
12346 "*(foo *)&complexfoo" to "__real__ complexfoo"
12347 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12349 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12351 * tree-flow-inline.h (var_can_have_subvars):
12352 Volatile variables should not have subvariables.
12354 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12357 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12358 multiplying unsigned values.
12361 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12363 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12365 2006-02-08 Jason Merrill <jason@redhat.com>
12368 * tree.def: Elaborate on difference from MODIFY_EXPR.
12369 * doc/c-tree.texi (INIT_EXPR): Likewise.
12370 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12371 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12372 (gimplify_target_expr): Likewise.
12373 (gimplify_cond_expr): Remove target handling.
12374 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12375 (gimplify_expr): Clobber it here.
12376 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12377 Do return slot optimization if we have an INIT_EXPR.
12380 * tree-inline.c (declare_return_variable): Also clear
12381 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12384 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12386 PR middle-end/22439
12387 * gimplify.c (gimplify_one_sizepos): Fix typo.
12389 2006-02-08 Jeff Law <law@redhat.com>
12391 PR tree-optimization/21417
12392 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12393 across a backedge if the control statement at the end of the
12394 block is data dependent on other statements in the same block.
12395 (record_temporary_equivalences_from_stmts): Remove over-conservative
12396 test for threading across backedges.
12398 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12399 control statement, handle all three special cases in the same
12400 manner as they all have the same desired solution. No longer
12401 special case edge flag updating when the post dominator is
12404 2006-02-08 Roger Sayle <roger@eyesopen.com>
12406 * tree.def (CHAR_TYPE): Remove.
12407 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12408 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12409 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12410 (gen_string_type_die): Delete unreachable function.
12412 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12413 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12414 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12415 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12416 * builtins.c (type_to_class): Likewise.
12417 * fold-const.c (fold_convert, build_range_check,
12418 merge_ranges): Likewise.
12419 * expr.c (count_type_elements): Likewise.
12420 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12421 * stor-layout.c (layout_type): Likewise.
12422 * ipa-type-escape.c (type_to_consider): Likewise.
12423 * gimplify.c (omp_firstprivatize_type_sizes,
12424 gimplify_type_sizes): Likewise.
12425 * explow.c (promote_mode): Likewise.
12426 * tree-sra.c (is_sra_scalar_type): Likewise.
12427 * varasm.c (output_constant): Likewise.
12428 * tree-inline.c (remap_type_1): Likewise.
12429 * convert.c (convert_to_pointer, convert_to_real,
12430 convert_to_integer, convert_to_complex): Likewise.
12432 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12434 * df-scan.c (df_def_record_1): A set destination may
12435 be a parallel regardless of mode.
12437 2006-02-08 Roger Sayle <roger@eyesopen.com>
12440 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12441 * config/mips/_tilib.c: Remove.
12442 * config/fixtfdi.c: New libgcc source file.
12443 * config/fixunstfdi.c: New source file.
12444 * config/floatditf.c: New source file.
12445 * config/floatunditf.c: New souce file.
12446 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12447 files above instead of config/mips/_tilib.c.
12448 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12450 2006-02-08 Jeff Law <law@redhat.com>
12452 PR tree-optimization/26169
12453 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12456 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12458 * df.h (DF_REG_SIZE): Return the length of the initialized
12461 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12463 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12464 __muldf3): Return a correctly signed zero.
12466 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12468 * passes.c (register_one_dump_file): Accept the current properties
12469 instead of pass number. Adjust call to dump_register. Remove
12471 (register_dump_files): Now a wrapper around...
12472 (register_dump_files_1): ... this one. Do not modify the pass
12474 (next_pass_1): Cosmetic fix.
12475 (execute_todo): Keep second parameter only. Use curr_properties
12476 instead of fetching it from the pass structure. Check and set
12478 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12479 instead of fetching it from the pass structure. Fix calls to
12480 execute_todo. Update curr_properties and initialize .vcg RTL dump
12481 after running the pass. Reset last_verified.
12482 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12484 (FIRST_AUTO_NUMBERED_DUMP): New.
12485 (dump_register): Remove "num" parameter, assign it within the
12487 (get_dump_file_name): Modify template for dumps.
12488 * tree-dump.h (dump_register): Adjust prototype.
12489 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12490 (PROP_trees): Add PROP_gimple_lomp.
12491 (TODO_set_props): New.
12492 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12493 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12494 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12496 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12498 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12499 (sparc64-*-linux*): Likewise.
12500 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12501 * config/sparc/t-linux: New file.
12502 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12503 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12504 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12505 -m32 -mlong-double-128.
12507 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12508 * config/alpha/t-linux: New file.
12509 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12511 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12512 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12513 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12514 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12515 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12516 (CPP_ARCH32_SPEC): Remove.
12518 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12520 PR tree-optimization/26145
12521 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12524 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12527 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12528 >= 240000 when generating code for SOM runtime.
12529 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12530 to $$dyncall when generating code for SOM runtime..
12532 2006-02-07 Dirk Mueller <dmueller@suse.com>
12535 * doc/invoke.texi (-Wsequence-point): Update documentation
12536 that -Wsequence-point is implemented for C++ as well.
12538 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12540 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12541 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12542 (LIB_SPEC): Likewise.
12543 * doc/invoke.texi (SPARC options): Document -pthread.
12545 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12547 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12550 2006-02-07 Roger Sayle <roger@eyesopen.com>
12552 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12553 Correct comment describing BOOLEAN_TYPE.
12555 2006-02-07 Dirk Mueller <dmueller@suse.com>
12557 * c.opt: C++ frontend supports -Wdiv-by-zero.
12558 * c-opts.c (c_common_handle_option): Remove dead case.
12560 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12562 * configure.ac (TLS assembler check): Do not enable TLS by
12563 default on SPARC/Solaris before version 10.
12564 * configure: Regenerate.
12566 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12568 * doc/invoke.texi (xl-compat): Document conversion and support
12571 2006-02-07 Jeff Law <law@redhat.com>
12573 * tree-vrp.c (find_conditional_asserts): Update comments.
12574 (simplify_stmt_for_jump_threading): New.
12575 (identify_jump_threads, finalize_jump_threads): New.
12576 (vrp_finalize): Call identify_jump_threads.
12577 (execute_vrp): Call finalize_jump_threads.
12578 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12579 (vrp_element, vrp_data, vrp_element_p): Remove.
12580 (vrp_hash_elt, vrp_variables_stack): Remove.
12581 (vrp_hash, vrp_eq, record_range): Remove.
12582 (simplify_cond_and_lookup_avail_expr): Remove.
12583 (extract_range_from_cond): Remove.
12584 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12585 (simplify_stmt_for_jump_threading): New.
12586 (dom_thread_across_edge): New wrapper.
12587 (tree_ssa_dominator_optimize): No longer initialize or
12588 finalize any of the VRP datastructures. Remove iteration
12589 step and simplify as a result of removal of iteration step.
12590 (pass_dominator): Perform a cfg cleanup after DOM.
12591 (dom_opt_finalize_block): Use the new common routines
12592 for threading jumps. Simplify stack management slightly.
12593 No longer need to unwind VRP state.
12594 (record_equivalences_from_incoming_edge): No longer record
12596 (eliminate_redundant_computations): No longer call
12597 simplify_cond_and_lookup_avail_expr.
12598 * tree-flow.h (potentially_threadable_block): Prototype.
12599 (thread_across_edge): Likewise.
12600 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12601 (tree-ssa-threadedge.o): Add dependencies.
12602 * tree-ssa-threadedge.c: New file.
12603 * passes.c (init_optimization_passes): Merge PHIs before
12604 calling VRP. Run VRP again late in the SSA optimization pipeline.
12606 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12608 * df-core.c (df_set_blocks): Do not dereference function pointers.
12609 (df_finish1): Likewise.
12610 (df_hybrid_search_forward): Likewise.
12611 (df_hybrid_search_backward): Likewise.
12612 (df_iterative_dataflow): Likewise.
12613 (df_analyze_problem): Likewise.
12614 (df_compact_blocks): Likewise.
12615 (df_dump): Likewise.
12616 * df-scan.c (df_rescan_blocks): Likewise.
12617 (df_record_entry_block_defs): Likewise.
12619 * genconditions.c (write_conditions): Guard the definition of
12620 'insn_conditions' with the check on GCC version.
12621 (write_writer): Guard the traversal 'insn_conditions' with
12622 the check on GCC version.
12624 2006-02-07 Richard Guenther <rguenther@suse.de>
12628 2006-01-30 Richard Guenther <rguenther@suse.de>
12630 * gimplify.c (gimplify_target_expr): Handle easy cases
12631 without creating a temporary.
12633 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12635 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12636 use of float in probability computations. Use edge probabilities
12637 in place of statically computed probabilities.
12638 (min_spec_prob): New static variable.
12639 (schedule_insns): Initialize it.
12640 (GET_SRC_PROB): Removed.
12641 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12643 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12646 * config/ia64/unwind-ia64.c: Revert last change.
12647 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12648 (INCOMING_FRAME_SP_OFFSET): Define.
12650 2006-02-06 Roger Sayle <roger@eyesopen.com>
12652 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12654 2006-02-07 Ben Elliston <bje@au.ibm.com>
12656 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12657 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12658 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12659 (ix86_return_in_memory): Handle TDmode.
12660 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12661 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12663 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12665 * reorg.c (dbr_schedule): Use dump_file instead of file.
12667 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12670 * config/ia64/predicates.md (extr_len_operand): New predicate.
12671 * config/ia64/ia64.md (extv): Tighten constraints.
12673 (*tbit_and_2): Ditto.
12674 (*tbit_and_3): Ditto.
12675 (*tbit_or_2): Ditto.
12676 (*tbit_or_3): Ditto.
12677 (*bit_zero): Ditto.
12680 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12683 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12685 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12687 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12688 loop_optimizer_init and loop_optimizer_finalize
12689 * tree-ssa-sink.c (execute_sink_code): Ditto.
12690 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12691 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12692 tree_ssa_loop_done): Ditto.
12693 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12694 * sched-ebb.c: Include output.h.
12695 (schedule_ebbs): Do not use dump argument.
12696 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12697 * loop.c (loop_dump_stream): Removed.
12698 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12700 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12701 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12702 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12703 loop_iterations, strength_reduce, record_biv, record_giv,
12704 final_giv_value, check_final_value, check_ext_dependent_givs,
12705 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12706 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12707 dump_file instead of loop_dump_stream.
12708 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12709 argument dump_file.
12710 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12712 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12713 * haifa-sched.c: Include output.h
12714 (schedule_insns, sched_init): Do not use dump argument.
12715 * mode-switching.c (optimize_mode_switching): Ditto.
12716 * modulo-sched.c (stats_file): Removed.
12717 (print_node_sched_params): Do not call argument dump_file.
12718 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12719 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12721 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12723 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12724 rtl_loop_init, rtl_loop_done): Ditto.
12725 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12726 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12728 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12729 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12730 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12731 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12732 * emit-rtl.c (renumber_insns): Ditto.
12733 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12734 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12735 * regclass.c (regclass): Ditto.
12736 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12737 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12738 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12739 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12741 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12742 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12744 * gcse.c (gcse_file, debug_stderr): Removed.
12745 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12746 rest_of_handle_gcse): Do not use dump argument.
12747 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12748 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12749 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12750 compute_code_hoist_vbeinout, compute_code_hoist_data,
12751 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12752 compute_store_table, build_store_vectors, insert_insn_start_bb,
12753 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12754 store_motion): Use dump_file instead of gcse_file.
12755 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12756 * profile.c (profile_dump_file): Removed.
12757 (branch_prob): Use dump_file instead of profile_dump_file.
12758 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12760 * tree-ssa-copy.c (dump_copy_of): Ditto.
12761 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12762 dump file to life_analysis.
12763 * bt-load.c (branch_target_load_optimize): Ditto.
12764 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12766 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12767 regclass, dbr_schedule): Declaration changed.
12768 * sched-int.h (sched_init): Declaration changed.
12769 * tree-profile.c (tree_profile_dump_file): Removed.
12770 (tree_profile_hooks): Removed profile_dump_file hook.
12771 * rtl-profile (rtl_profile_dump_file): Removed.
12772 (rtl_profile_hooks): emoved profile_dump_file hook.
12773 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12775 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12776 * tree-cfg.c (build_tree_cfg): Ditto.
12777 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12778 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12779 Declaration changed.
12780 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12781 life_analysis and schedule_insns.
12782 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12784 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12786 * config/mips/mips.c (mips_reorg): Ditto.
12787 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12790 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12792 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12793 (s390_mangle_fundamental_type): New.
12794 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12797 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12798 (alpha_mangle_fundamental_type): New.
12799 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12802 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12804 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12806 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12807 (sparc_mangle_fundamental_type): New.
12809 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12811 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12812 (s390x-*-linux*): Likewise.
12813 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12814 * config/s390/t-linux: New file.
12816 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12818 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12819 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12821 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12823 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12824 (ANTIC_SAFE_LOADS): New macro.
12825 (find_or_generate_expression): Add prototype.
12826 (set_contains_value): Allow null set for sake of not always having
12827 to allocate ANTIC_SAFE_LOADS.
12828 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12829 Allow COMPONENT_REF too.
12830 (valid_in_set): Allow COMPONENT_REF.
12831 Check ANTIC_SAFE_LOADS too.
12832 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12833 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12835 (can_PRE_operation): Add COMPONENT_REF.
12836 (create_component_ref_by_pieces): New function.
12837 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12838 (insert_aux): Move AGGREGATE_TYPE_P check here.
12839 (compute_avail): Set bb local stmt uids.
12840 (pass_pre): Use TODO_update_ssa_only_virtuals.
12842 2006-02-06 Ben Elliston <bje@au.ibm.com>
12844 * configure.ac: Unconditionally disable decimal float by default.
12845 * configure: Regenerate.
12847 2006-02-06 Ben Elliston <bje@au.ibm.com>
12849 * read-rtl.c (read_name): Terminate reading on EOF.
12851 2006-02-06 Ben Elliston <bje@au.ibm.com>
12853 * dfp.c (decimal_real_arithmetic): Change second argument type
12854 from int to enum tree_code. Do not always return true, but now
12855 return result of any call to decimal_do helper functions.
12856 * dfp.h (decimal_real_arithmetic): Update prototype.
12858 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12860 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12862 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12865 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12868 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12870 * tree-vrp.c (cfg_loops): Removed.
12871 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12872 Use current_loops instead of cfg_loops. Pass flags to
12873 loop_optimizer_init.
12874 * cfgloopmanip.c (fix_loop_structure): Update only available
12876 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12877 loop_optimizer_init.
12878 * modulo-sched.c (build_loops_structure): Removed.
12879 (sms_schedule): Use loop_optimizer_init.
12880 * loop-init.c (loop_optimizer_init): Use flags to determine
12881 which properties of loops to prepare.
12882 (rtl_loop_init): Pass flags to loop_optimizer_init.
12883 * tree-ssa-sink.c (execute_sink_code): Ditto.
12884 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12885 * tree-ssa-pre.c (init_pre): Ditto.
12886 * cfgloop.h (LOOPS_NORMAL): New.
12887 (loop_optimizer_init): Declaration changed.
12889 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12891 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12892 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12894 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12896 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12898 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12899 * pa/t-pa64: Delete quadlib.c rule.
12900 * pa/x-ada: Revert last change.
12901 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12903 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12905 PR rtl-optimization/26087
12906 * rtlanal.c (canonicalize_condition): Do not cross basic block
12909 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12912 * config/ia64/ia64.c: Include debug.h.
12913 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12914 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12915 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12916 (process_epilogue, process_set, process_for_unwind_directive):
12917 Output unwind info only if requested. Add CFA info if requested.
12918 Add new arguments as needed. Adjust callers.
12919 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12921 (DWARF2_FRAME_INFO): Define to zero.
12922 * config/ia64/unwind-ia64.c: Remove code that compensated for
12923 the CFA offset error fixed above.
12924 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12925 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12926 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12927 -funwind-tables and -fexceptions to enable frame info.
12928 (dwarf2out_frame_init): Define initial CFA even if
12929 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12930 DWARF2_UNWIND_INFO is nonzero, not just defined.
12931 (dwarf2out_frame_finish): Output non-EH call frame info only
12932 if DWARF2_FRAME_INFO is nonzero.
12933 (convert_cfa_to_loc_list,
12934 compute_frame_pointer_to_cfa_displacement): Define even if
12935 unwind info is not supported.
12936 (gen_subprogram_die): Use the above unconditionally. Remove
12937 legacy alternate code.
12938 * toplev.c (compile_file): Compile in call to
12939 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12940 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12942 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12943 Jakub Jelinek <jakub@redhat.com>
12945 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12946 IBM extended float format long double as "g" on powerpc*-linux.
12948 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12951 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12952 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12954 2006-02-03 Jason Merrill <jason@redhat.com>
12957 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12959 PR middle-end/25977
12960 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12961 on the return slot if it's an NRV.
12963 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12965 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12966 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12967 rewrite_use): Do not handle USE_OUTER.
12968 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12969 add_iv_outer_candidates, may_replace_final_value,
12970 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12971 (find_interesting_uses_op): Functionality of
12972 find_interesting_uses_outer_or_nonlin moved here.
12973 (find_interesting_uses_outside): Use find_interesting_uses_op.
12975 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12978 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12980 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12981 Ulrich Weigand <uweigand@de.ibm.com>
12984 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12985 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12986 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12987 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12989 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12990 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12991 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12992 Define secondary reloads for TFmode moves.
12993 (constant_modes): Add TFmode.
12994 (NR_C_MODES): Set to 8.
12995 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12997 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12998 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12999 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13000 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13001 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13002 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13003 (FPR mode macro): Add TFmode.
13004 (DSF mode macro): New.
13005 (<de>, <dee> mode attributes): Removed.
13006 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13007 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13008 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13009 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13010 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13011 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13012 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13013 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13014 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13015 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13016 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13017 "*negabs<mode>2", "sqrt<mode>2"):
13018 Changed <de> to <xde>. R constraint replaced by <Rf>.
13019 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13021 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13022 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13023 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13025 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13026 "extenddftf2", "extendsftf2"): New expanders.
13027 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13028 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13029 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13030 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13032 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13033 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13034 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13035 __floatditf): Add a GCC_4.1.0 symbol version tag.
13036 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13039 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13042 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13043 Use targetm.binds_local_p instead of TREE_PUBLIC.
13045 2006-02-02 Roger Sayle <roger@eyesopen.com>
13047 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13048 on INTEGER_TYPEs to indicate that it denotes a character type.
13049 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13050 signed_char_type_node, unsigned_char_type_node and char_type_node.
13051 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13052 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13053 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13055 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13056 Daniel Berlin <dberlin@dberlin.org>
13058 * tree-tailcall.c (arg_needs_copy_p): New function.
13059 (eliminate_tail_call): Use arg_needs_copy_p.
13060 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13061 (add_virtual_phis): New function.
13063 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13065 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13066 #ignore instead of #scratch for %g7 .register directive.
13068 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13070 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13073 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13075 * flow.c (calculate_global_regs_live): Assert that there aren't any
13078 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13080 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13081 what its name says.
13082 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13083 bsi_after_labels iterator.
13084 * tree-if-conv.c (find_phi_replacement_condition,
13085 replace_phi_with_cond_modify_expr): Likewise.
13086 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13087 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13089 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13091 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13093 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13096 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13097 array after growing it.
13099 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13101 PR middle-end/24901
13102 * fold-const.c (fold_checksum_tree): Change type of buf.
13104 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13106 * reload.c (push_secondary_reload): Initialize t_icode.
13108 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13110 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13111 -msoft-float -mlong-double-128 only issue a warning, but don't
13112 swich to DFmode long double.
13114 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13116 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13117 has a constant equivalent, iterate over equivalents for arg0,
13118 calling simplify_relational_operation and if there's a result
13119 cheaper than X, apply fold_rtx and return the result.
13121 2006-02-01 Jan Hubicka <jh@suse.cz>
13123 * opts.c (no_unit_at_a_time_default): New global variable.
13124 (decode_options): Use it.
13125 * opts.h (no_unit_at_a_time_default): Declare.
13127 2006-02-01 Paul Brook <paul@codesourcery.com>
13129 * function.c (assign_parm_setup_reg): Use function argument promotion
13131 * expr.c (expand_expr_real_1): Use function argument promotion rules
13134 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13136 * gcc.c (process_command): Change j to 'unsigned int'.
13138 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13140 PR middle-end/26001
13141 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13142 Use the corrected index for the character
13143 out of the string constant.
13145 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13147 * mode-switching.c (optimize_mode_switching): Fix size
13148 allocated for bb_info[n_entities].
13150 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13152 * gcc.c (main): Correct type that is allocated for
13153 explicit_link_files.
13155 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13157 * config/s390/s390.c (init_alignment_context): Set
13158 ALIAS_SET_MEMORY_BARRIER on the MEM.
13159 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13161 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13163 PR middle-end/25933
13164 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13166 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13169 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13171 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13172 * regrename.c: Ditto.
13173 * tree-ssa-loop-im.c: Ditto.
13174 * tree-dump.c: Ditto.
13175 * tree-complex.c: Ditto.
13176 * genrecog.c: Ditto.
13177 * tree-ssa-threadupdate.c: Ditto.
13179 * java/class.c: Ditto.
13180 * java/jcf-parse.c: Ditto.
13181 * java/resource.c: Ditto.
13182 * java/except.c: Ditto.
13183 * java/jvspec.c: Ditto.
13184 * java/jcf-write.c: Ditto.
13185 * java/jcf-path.c: Ditto.
13186 * java/gjavah.c: Ditto.
13187 * java/zextract.c: Ditto.
13188 * java/jcf-io.c: Ditto.
13189 * java/jcf.h: Ditto.
13190 * java/buffer.c: Ditto.
13191 * java/lang.c: Ditto.
13192 * java/parse-scan.y: Ditto.
13193 * java/lex.c: Ditto.
13194 * java/lex.h: Ditto.
13195 * cfgloopmanip.c: Ditto.
13196 * postreload-gcse.c: Ditto.
13197 * tree-ssa-loop-manip.c: Ditto.
13198 * postreload.c: Ditto.
13199 * tree-ssa-loop-ch.c: Ditto.
13202 * cppspec.c: Ditto.
13203 * diagnostic.c: Ditto.
13205 * genoutput.c: Ditto.
13207 * cfghooks.c: Ditto.
13208 * cfgloopanal.c: Ditto.
13209 * objc/objc-act.c: Ditto.
13211 * genextract.c: Ditto.
13212 * genautomata.c: Ditto.
13213 * pretty-print.c: Ditto.
13214 * genemit.c: Ditto.
13215 * cgraphunit.c: Ditto.
13217 * df-scan.c: Ditto.
13218 * haifa-sched.c: Ditto.
13219 * dominance.c: Ditto.
13221 * tree-ssa-loop-ivopts.c: Ditto.
13222 * df-core.c: Ditto.
13223 * mode-switching.c: Ditto.
13224 * modulo-sched.c: Ditto.
13226 * ipa-pure-const.c: Ditto.
13228 * fix-header.c: Ditto.
13230 * tree-stdarg.c: Ditto.
13231 * ipa-utils.c: Ditto.
13232 * loop-init.c: Ditto.
13233 * ipa-inline.c: Ditto.
13234 * cfganal.c: Ditto.
13236 * alloc-pool.c: Ditto.
13237 * dwarf2out.c: Ditto.
13239 * genattrtab.c: Ditto.
13240 * tree-ssa-loop-ivcanon.c: Ditto.
13241 * predict.c: Ditto.
13242 * timevar.c: Ditto.
13244 * fortran/gfortranspec.c: Ditto.
13245 * regmove.c: Ditto.
13246 * local-alloc.c: Ditto.
13247 * langhooks.c: Ditto.
13248 * function.c: Ditto.
13249 * tree-vectorizer.c: Ditto.
13251 * ipa-type-escape.c: Ditto.
13253 * tree-if-conv.c: Ditto.
13254 * profile.c: Ditto.
13256 * tree-data-ref.c: Ditto.
13257 * loop-unroll.c: Ditto.
13258 * treelang/treetree.c: Ditto.
13260 * bt-load.c: Ditto.
13261 * ggc-common.c: Ditto.
13263 * coverage.c: Ditto.
13265 * tree-cfgcleanup.c: Ditto.
13266 * tree-ssa-pre.c: Ditto.
13267 * cfgcleanup.c: Ditto.
13268 * loop-invariant.c: Ditto.
13269 * loop-iv.c: Ditto.
13270 * ipa-prop.c: Ditto.
13271 * print-tree.c: Ditto.
13272 * conflict.c: Ditto.
13273 * ggc-page.c: Ditto.
13274 * sched-deps.c: Ditto.
13275 * regclass.c: Ditto.
13276 * tree-object-size.c: Ditto.
13277 * combine.c: Ditto.
13278 * bb-reorder.c: Ditto.
13279 * resource.c: Ditto.
13280 * var-tracking.c: Ditto.
13281 * cfgloop.c: Ditto.
13282 * df-problems.c: Ditto.
13283 * reg-stack.c: Ditto.
13285 * gccspec.c: Ditto.
13286 * sched-rgn.c: Ditto.
13287 * tree-ssa-structalias.c: Ditto.
13288 * tree-ssa-reassoc.c: Ditto.
13289 * config/darwin-c.c: Ditto.
13290 * config/darwin.c: Ditto.
13291 * config/arm/arm.c: Ditto.
13293 * collect2.c: Ditto.
13294 * reload1.c: Ditto.
13296 2006-01-31 Nicolas Pitre <nico@cam.org>
13298 * arm.md (smaxsi3): Make aware of smax_m1.
13301 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13303 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13305 2006-01-31 Richard Guenther <rguenther@suse.de>
13307 * doc/invoke.texi (-msselibm): Document.
13308 * target.h (expand_library_builtin): New target hook.
13309 * builtins.c (expand_builtin): Use expand_library_builtin.
13310 (default_expand_library_builtin): New function.
13311 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13312 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13313 (link_gcc_math_spec): Declare.
13314 (static_specs): Add link_gcc_math_spec.
13315 * expr.h (default_expand_library_builtin): Declare.
13316 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13317 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13318 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13319 * config/i386/i386.opt (msselibm): New target option.
13320 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13321 (ix86_init_sse_abi_builtins): New function.
13322 (ix86_expand_library_builtin): Likewise.
13323 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13324 (override_options): Handle error conditions wrt -msselibm.
13325 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13326 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13327 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13330 2006-01-31 Richard Guenther <rguenther@suse.de>
13331 Paolo Bonzini <bonzini@gnu.org>
13333 * doc/install.texi (--disable-libgcc-math): Document.
13335 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13337 * expr.h (expand_normal): new inline function.
13338 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13339 * dojump.c: use it.
13340 * dwarf2out.c: use it.
13343 * expmed.c: use it.
13344 * except.c: use it.
13345 * config/sparc/sparc.c: use it.
13346 * config/i386/i386.c: use it.
13347 * config/rs6000/rs6000.c: use it.
13348 * config/arm/arm.c: use it.
13349 * config/mips/mips.c: use it.
13350 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13352 2006-01-30 Roger Sayle <roger@eyesopen.com>
13354 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13355 argv to the appropriate type.
13357 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13359 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13362 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13365 * config/s390/s390.c (struct machine_function): New flag
13366 decomposed_literal_pool_addresses_ok_p.
13367 (s390_reorg): Set it before final stage of literal pool transforms.
13368 (s390_decompose_address): Only accept displacements of the form
13369 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13371 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13373 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13374 the comparison routine return.
13376 2006-01-30 Michael Matz <matz@suse.de>
13378 * global.c (find_reg): Only evict for global regs.
13379 Take n_refs into account and dump more info.
13381 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13384 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13385 (pragma_trap, pragma_nosave_low_regs): Likewise.
13386 (current_function_anonymous_args): Likewise.
13387 (sh_deferred_function_attributes): New variable.
13388 (sh_deferred_function_attributes_tail): Likewise.
13389 (print_operand): For '@', look up trap_exit attribute.
13390 (calc_live_regs): Look up trapa_handler attribute. For trapa
13391 handlers, save/restore fpscr, but don't do any other
13392 interrupt-specific saves.
13393 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13394 Fix check for partially saved registers to check for SHmedia.
13395 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13396 (sh_output_function_epilogue): Don't clear any of the removed
13398 (sh_insert_attributes): Don't check pragma_interrupt.
13399 Insert deferred attributes. Check that interrupt attribute is
13400 present for other attributes that require its presence.
13401 (sh_attribute_table): Add new attributes trapa_handler and
13403 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13404 Don't check for pragma_interrupt. Don't store argument.
13405 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13406 (sh_deferred_function_attributes): Declare.
13407 (sh_deferred_function_attributes_tail): Likewise.
13408 * sh.md (sp_switch_1): Add operand. Change generator caller.
13409 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13410 (*return_i): Don't use when trap_exit attribute is in effect.
13411 (*return_trapa): New insn pattern.
13412 * sh-c.c: New file.
13413 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13414 setting c_target_objs and cxx_target_objs.
13415 * t-sh: Add rule for sh-c.o.
13417 2006-01-30 Richard Guenther <rguenther@suse.de>
13420 * gimplify.c (gimplify_target_expr): Handle easy cases
13421 without creating a temporary.
13423 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13425 * vec.h (safe_grow): Remove duplicated line.
13427 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13430 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13431 (expand_omp): ... here.
13432 (expand_omp_parallel): Only remove barriers for combined
13433 parallel+workshare constructs.
13435 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13439 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13440 * tree.c (build_qualified_type): Chain the new type to the original
13441 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13442 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13443 (build_pointer_type_for_mode): Only return unqualified types.
13444 (build_reference_type_for_mode): Likewise.
13446 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13448 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13449 * Makefile.in (CXX_COMPAT_WARN): Define.
13450 * configure: Regenerate.
13452 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13455 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13458 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13460 * toplev.c: Fix thinko.
13462 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13463 Marcin Dalecki <martin@dalecki.de>
13465 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13466 (push_srcloc): Use XNEW.
13467 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13469 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13471 * df-core.c (df_set_blocks): Deleted all variable.
13473 2006-01-28 Ian Lance Taylor <ian@airs.com>
13475 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13476 cgraph_output_pending_asms.
13478 2006-01-28 Zack Weinberg <zackw@panix.com>
13480 * c.opt: Add -W(no-)overlength-strings.
13481 * doc/invoke.texi: Document it.
13482 * c-opts.c (c_common_handle_option): -pedantic implies
13483 -Woverlength-strings, if not explicitly disabled already.
13484 (c_common_post_options): -Woverlength-strings defaults to off, and
13485 is always off for C++.
13486 * c-common.c (fix_string_type): Issue warning about strings longer
13487 than is portable only if warn_overlength_strings. Rearrange code
13488 a little for clarity.
13489 * configure.in: Check for -Wno-overlength-strings as well before
13490 enabling -pedantic in stage 1.
13491 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13492 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13494 * genconditions.c (write_header, write_one_condition)
13495 (write_conditions, write_writer): Consolidate very long strings
13496 that were broken up to fit in C89 portable limit. Don't use
13497 printf when fputs will do.
13499 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13501 * combine.c (simplify_comparison <AND>): Check
13502 TRULY_NOOP_TRUNCATION before start using a subreg.
13504 * config/mips/mips.md (*branch_zero<mode>,
13505 *branch_zero<mode>_inverted, *branch_equality<mode>,
13506 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13507 Remove mode check from comparisons.
13509 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13511 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13513 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13515 * expmed.c (const_mult_add_overflow_p): Remove.
13516 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13518 * recog.c (validate_replace_rtx_subexp): Remove.
13519 * recog.h: Remove the prototype for
13520 validate_replace_rtx_subexp.
13522 * integrate.h: Remove the prototype for
13523 copy_decl_for_inlining.
13524 * rtl.h: Remove the prototype for mark_constant_function.
13525 * tree-vectorizer.h: Remove the prototype for
13526 vect_strip_conversion.
13528 * modulo-sched.c (create_partial_schedule,
13529 free_partial_schedule, reset_partial_schedule): Make them
13532 * hooks.c (hook_bool_rtx_int_false): Remove.
13533 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13535 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13537 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13538 and -mlong-double-128 are incompatible.
13539 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13540 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13541 (TARGET_LIBGCC2_CFLAGS): Define.
13542 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13543 (TARGET_LIBGCC2_CFLAGS): Same.
13544 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13546 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13549 * c-typeck.c (build_binary_op): Perform implicit casts of
13550 operands before shortening them.
13552 * cfgloopmanip.c (split_loop_bb): Remove.
13553 * cfgloop.h: Remove the prototype for split_loop_bb.
13555 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13556 * cfgloop.h: Remove the prototype for
13557 flow_loop_outside_edge_p.
13559 * emit-rtl.c (init_virtual_regs): Make it static.
13560 * function.h: Remove the prototype for init_virtual_regs.
13562 * recog.c (peephole2_optimize): Make it static.
13563 * recog.h: Remove the prototype for peephole2_optimize.
13565 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13567 * df-scan.c (df_record_entry_block_defs): Check if
13568 INCOMING_RETURN_ADDR_RTX is defined.
13570 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13571 Kenneth Zadeck <zadeck@naturalbridge.com>
13573 PR rtl-optimization/24762
13574 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13575 * targhooks.c (hook_void_bitmap): New hook prototype.
13576 * targhoohs.h (hook_void_bitmap): Ditto.
13577 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13578 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13579 * target.h (live_on_entry): New function pointer.
13580 * df-scan.c (df_all_hard_regs): Removed.
13581 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13582 (df_scan_free_internal): Added df->entry_block_defs.
13583 (df_scan_alloc): Ditto.
13584 (df_scan_dump): Ditto.
13585 (df_uses_record): Plumbed flag field properly thru calls.
13586 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13587 This part fixes PR24762.
13588 (df_bb_refs_record): Added code to make the frame and arg
13589 pointers live in EH blocks.
13590 (df_refs_record): Added call to df_record_entry_block_defs.
13591 (df_record_entry_block_defs): New function.
13592 * df-core.c: Added comments to describe new artifical defs.
13593 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13594 (entry_block_defs): New field in struct df.
13595 (df_all_hard_regs): Deleted.
13596 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13597 * df-problems.c (df_ru_bb_local_compute_process_def):
13598 Added code to handle artifical defs in the entry to a function.
13599 (df_ru_bb_local_compute): Ditto.
13600 (df_rd_bb_local_compute_process_def): Ditto.
13601 (df_rd_bb_local_compute): Ditto.
13602 (df_lr_bb_local_compute): Ditto.
13603 (df_ur_bb_local_compute): Ditto.
13604 (df_urec_bb_local_compute): Ditto.
13605 (df_chain_create_bb): Ditto.
13606 (df_ur_local_finalize): Removed entry.
13607 (df_urec_init): Ditto.
13608 (df_urec_local_finalize): Ditto.
13609 (df_ri_bb_compute): Added detection of last use of pseudos.
13610 * Makefile.in (df-scan.o): Updated dependencies.
13611 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13612 * config/mips/mips.c (mips_set_live_on_entry): Added.
13613 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13615 * dce.c (marked_insn_p): Added code to handle artifical defs.
13617 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13619 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13621 (_mm_cvtsi128_si64): Likewise.
13622 (_mm_cvtsd_si64): Likewise.
13623 (_mm_cvttsd_si64): Likewise.
13624 (_mm_cvtsi64_sd): Likewise.
13625 (_mm_cvtsi64_si128): Likewise.
13626 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13627 (_mm_cvtsi64_m64): Likewise.
13628 (_m_to_int64): Likewise.
13629 (_mm_cvtm64_si64): Likewise.
13630 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13631 (_mm_cvttss_si64): Likewise.
13632 (_mm_cvtsi64_ss): Likewise.
13633 (_mm_cvtss_f32): Likewise.
13635 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13637 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13638 for pragma redefine_extname.
13640 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13643 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13644 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13645 -mno-minimal-toc to previous content.
13646 (bispecs): Remove goal.
13647 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13648 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13649 compatibility aliases on powerpc-*-*gnu*.
13650 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13651 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13652 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13653 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13654 (ldblspecs): New goal.
13655 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13656 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13658 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13659 L_sf_to_tf or L_df_to_tf is defined.
13661 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13662 Alan Modra <amodra@bigpond.net.au>
13665 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13666 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13667 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13668 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13669 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13670 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13671 (rs6000_override_options): Initialize rs6000_ieeequad.
13672 Initialize TFmode format to ibm_extended_format if not
13674 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13676 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13677 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13678 (function_arg_advance): IBM long double passed in two FPRs, not
13680 (function_arg): IBM long double passed in FPRs.
13681 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13682 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13683 Only multireg GPR aligned.
13684 (rs6000_init_libfuncs): Enable IBM long double functions if not
13686 (rs6000_generate_compare): Use IBM long double compare if not
13688 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13689 (TARGET_IEEEQUAD): Define.
13690 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13691 not TARGET_IEEEQUAD.
13692 * config/rs6000/rs6000.md: Enable TFmode patterns if
13694 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13695 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13696 and -mlong-double-128 are incompatible.
13697 * doc/invoke.texi (-mabi): Collect options together. Add
13698 ibmlongdouble and ieeelongdouble.
13700 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13702 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13704 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13705 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13706 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13707 * rtl.h (rtunion_def): Remove rt_ptr.
13709 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13710 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13711 * config/i386/winnt.c (i386_pe_mark_dllexport)
13712 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13714 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13716 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13718 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13722 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13723 pthread_key_delete. From John David Anglin. gthrw-ify
13724 pthread_getunique_np only if it it's not a macro. Delete
13726 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13727 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13728 __gthread_objc_condition_signal, __gthread_key_delete): Add
13729 "__attribute__ ((__unused__))" to unused arguments.
13730 (__gthread_recursive_mutex_init_function): Add missing return.
13731 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13732 gthr-posix95.h: Use macro-based approach for name redirection
13733 on targets missing weakref.
13735 2006-01-26 Zack Weinberg <zackw@panix.com>
13737 * genconditions.c (write_header): In generated code, #ifdef out
13738 all includes and fake declarations, except includes of bconfig.h
13739 and system.h, unless GCC_VERSION >= 3001. Do not include
13740 gensupport.h in any case.
13741 (write_conditions): Generate a definition of struct c_test. Add
13742 a comment to the generated #endif.
13743 (write_one_condition): Escape backslashes in string too.
13744 (write_writer): Generated code must escape backslashes and quote
13745 marks (but not newlines) in the strings it writes.
13746 * Makefile.in (build/gencondmd.o): Update dependencies.
13748 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13751 * Makefile.in (insn-automata.o): Add header file dependencies.
13752 * genautomata.c: Add includes.
13754 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13757 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13759 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13761 * configure.ac: Expect target tools paths to be passed from the toplevel
13762 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13764 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13766 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13769 * c.opt (Wpointer-sign): Init to -1.
13770 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13771 OPT_pedantic, to 0 otherwise.
13772 * doc/invoke.texi: Update.
13774 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13776 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13777 constants provided by 80387 instructions in the destination mode.
13779 2006-01-26 Richard Guenther <rguenther@suse.de>
13780 Andrew Pinski <pinskia@physics.uc.edu>
13783 partial PR tree-opt/17064
13784 * tree-ssa-structalias.c (intra_create_variable_infos):
13785 Create heap variables for incoming parameters if
13786 flag_argument_noalias > 1.
13787 (find_what_p_points_to): Look through default defs of
13790 2006-01-26 Jeff Law <law@redhat.com>
13793 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13794 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13795 within the VR_RANGE, use the VR_RANGE as the result, not the
13797 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13798 bounds for the type.
13800 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13802 * tree-ssa-alias.c (maybe_create_global_var): Change
13803 subvar walking to an assertion that we don't have subvar'd variables.
13805 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13808 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13809 Use a new variable, inner. PARM_DECLs are always non-weak.
13811 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13813 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13814 --disable-checking.
13816 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13818 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13820 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13822 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13823 (smax_insn, smin_insn, smax_0, smin_0): New.
13825 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13828 * config/cris/cris.c (cris_order_for_addsi3): New function.
13829 * config/cris/cris-protos.h: Prototype it.
13830 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13831 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13832 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13833 (split for "op.S1 [rx=rx+i],ry (swapped)")
13834 (split for "op(s|u).S1 [rx=rx+i],ry")
13835 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13836 Apply cris_order_for_addsi3 when generating addsi3 insns.
13838 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13840 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13841 (TREE_BLOCK): Add call to EXPR_CHECK.
13843 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13846 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13847 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13848 (dump_omp_clauses): ... here.
13849 (dump_generic_node): Handle OMP_CLAUSE.
13850 * tree.c (omp_clause_num_ops): New.
13851 (omp_clause_code_name): New.
13852 (tree_code_size): Handle OMP_CLAUSE.
13853 (tree_size): Likewise.
13854 (make_node): Document handling of OMP_CLAUSE.
13855 (tree_node_structure): Handle OMP_CLAUSE.
13856 (omp_clause_check_failed): New.
13857 (omp_clause_range_check_failed): New.
13858 (omp_clause_operand_check_failed): New.
13859 (build_omp_clause): New.
13860 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13861 * tree.h (enum omp_clause_code): Declare.
13862 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13863 (OMP_CLAUSE_RANGE_CHECK): Define.
13864 (OMP_CLAUSE_ELT_CHECK): Define.
13865 (omp_clause_check_failed): Declare.
13866 (omp_clause_operand_check_failed): Declare.
13867 (omp_clause_range_check_failed): Declare.
13868 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13869 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13870 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13871 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13872 (OMP_CLAUSE_IF_EXPR): Likewise.
13873 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13874 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13875 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13876 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13877 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13878 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13879 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13880 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13881 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13882 (OMP_CLAUSE_CODE): Define.
13883 (OMP_CLAUSE_SET_CODE): Define.
13884 (OMP_CLAUSE_CODE): Define.
13885 (OMP_CLAUSE_OPERAND): Define.
13886 (struct tree_omp_clause): Declare.
13887 (union tree_node): Add field 'omp_clause'.
13888 * treestruct.def (TS_OMP_CLAUSE): Define.
13889 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13890 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13891 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13892 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13893 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13894 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13895 (OMP_CLAUSE): Define.
13896 * print-tree.c (print_node): Handle OMP_CLAUSE.
13897 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13898 * c-typeck.c: Likewise.
13899 * gimplify.c: Likewise.
13900 * c-omp.c: Likewise.
13901 * tree-nested.c: Likewise.
13902 * tree-inline.c: Likewise.
13903 * c-parser.c: Likewise.
13904 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13907 2006-01-25 Roger Sayle <roger@eyesopen.com>
13909 PR rtl-optimization/25703
13910 * combine.c (try_combine): Handle zero_extract and strict_low_part
13911 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13913 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13915 * global.c: Fix comment typos.
13917 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13920 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13921 Use output_addr_const instead of assemble_name.
13923 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13925 * Makefile.in (sched-vis.o): Update dependencies.
13926 * haifa-sched.c (sched_finish): Clear current_sched_info.
13927 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13928 (dump_flow_info): Call it.
13929 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13931 * basic-block.h (dump_bb_info): Declare.
13932 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13933 option, and apply options only for dump files whose TDF_RTL,
13934 TDF_TREE, or TDF_IPA bits match.
13935 * rtl.h: Declare new functions exported from sched-vis.c.
13936 * sched-vis.c: Enable also if scheduling is not used.
13937 (print_value): Print the mode of registers if not inside scheduling.
13938 (print_insn): Make it work outside the scheduler. Beautify the output
13940 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13942 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13944 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13945 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13946 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13947 depending on the value of CONSTANT_POOL_ADDRESS_P.
13948 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13950 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13951 rather than SYMBOL_REF_DECL.
13952 (rtx_constant_pool): Remove const_rtx_sym_htab.
13953 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13954 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13955 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13956 Remove handling of const_rtx_sym_htab.
13957 (find_pool_constant): Delete.
13958 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13959 rather than find_pool_constant.
13960 (get_pool_constant_for_function): Delete.
13961 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13962 find_pool_constant.
13963 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13964 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13965 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13966 (SYMBOL_REF_CONSTANT): New macro.
13967 (get_pool_constant_for_function): Delete.
13968 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13969 rather than SYMBOL_REF_DECL.
13970 (i386_pe_mark_dllimport): Likewise.
13971 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13972 rather than SYMBOL_REF_DECL.
13973 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13974 (machopic_indirect_call_target): Likewise.
13976 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13978 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13980 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13982 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13984 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13986 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13988 2006-01-24 David Daney <ddaney@avtrex.com>
13991 * configure.ac (enable_tls): New enable option.
13992 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13993 * configure: Regenerate.
13994 * doc/install.texi (--enable-tls): Document new option.
13995 (--disable-tls): Ditto.
13997 2006-01-24 Richard Henderson <rth@redehat.com>
13999 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14000 * alias.c (true_dependence): Respect it.
14001 (canon_true_dependence, write_dependence_p): Likewise.
14002 * builtins.c (get_builtin_sync_mem): Set it.
14004 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14006 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14009 2006-01-24 DJ Delorie <dj@redhat.com>
14011 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14012 for storing constants in single-bit bitfields.
14014 2006-01-25 Ben Elliston <bje@au.ibm.com>
14016 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14018 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14021 * tree-ssa-pre.c (phi_translate): Return NULL
14022 for AGGREGATE_TYPE's.
14024 2006-01-24 Zack Weinberg <zackw@panix.com>
14026 * genautomata.c (process_state_for_insn_equiv_partition):
14027 Use xcalloc for insn_arcs_array.
14028 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14029 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14031 2006-01-24 Richard Henderson <rth@redhat.com>
14033 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14034 update all callers.
14036 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14038 PR rtl-optimization/25890
14039 PR rtl-optimization/25905
14040 * combine.c (expand_compound_operation, expand_field_assignment):
14041 Fail if the bitfield's final position is out of bounds.
14043 2006-01-24 Ian Lance Taylor <ian@airs.com>
14045 PR middle-end/25930
14046 * cgraphunit.c (cgraph_output_in_order): Don't clear
14047 cgraph_asm_nodes until after asm strings have been output.
14049 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14051 * fix-header.c (read_scan_file): Add new parameter imultilib when
14052 calling register_include_chains.
14054 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14056 * omp-low.c: Update documentation.
14058 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14059 Daniel Berlin <dberlin@dberlin.org>
14063 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14064 return from the function.
14066 2006-01-22 Zack Weinberg <zackw@panix.com>
14068 * rtl.def (match_code): Add second argument.
14069 * genpreds.c (write_extract_subexp): New function.
14070 (write_match_code): Add path argument. Use write_extract_subexp.
14071 (write_predicate_expr): Pass path to write_match_code.
14072 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14073 not perform a mode test.
14074 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14075 a subexpression does not constrain the top-level code set.
14076 * read-rtl.c (read_rtx_variadic): New function.
14077 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14078 * doc/md.texi: Document new notation.
14079 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14080 (cmpsi_operand): ... here, using new notation.
14082 2006-01-22 Zack Weinberg <zackw@panix.com>
14084 * varray.c: Remove GENERATOR_FILE #ifdefs.
14086 2006-01-22 Zack Weinberg <zackw@panix.com>
14088 * genautomata.c (output_reserved_units_table): Emit nothing if
14089 description->query_units_num is zero. Remove extra blank line.
14090 (output_cpu_unit_reservation_p): Short circuit
14091 if description->query_units_num is zero.
14093 2006-01-22 Zack Weinberg <zackw@panix.com>
14095 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14096 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14097 nor any of the random handful of variables that used to be necessary
14098 when this program was linked with rtlanal.o. Prune set of forward
14099 function declarations.
14100 (struct attr_desc): Remove static_p field.
14101 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14102 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14103 (attr_string): Do not read the character one past the length of
14105 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14106 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14107 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14108 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14109 (make_automaton_attrs): New.
14110 (main): Do not call into genautomata. Call local gen_bypass
14111 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14112 Remove special case for insn_alts.
14113 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14114 varray.h (leftover from previous change). Prune set of forward
14115 function declarations. Remove state_alts fields from all
14116 structures. Remove state_alts_table from struct automaton.
14117 Make everything except main static. Do not maintain num_dfa_decls.
14118 Do not maintain state_alts fields of various structures.
14119 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14120 (add_arc): Remove state_alts argument. All callers updated.
14121 (output_reserved_units_table): Emit #ifdef here...
14122 (output_tables): ...not here. Don't generate state_alts tables.
14123 (expand_automata): Don't generate attributes.
14124 (write_automata): Don't generate state_alts functions.
14125 (main): New function.
14126 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14127 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14128 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14129 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14130 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14131 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14132 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14133 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14135 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14136 * genattrtab.h: Delete file.
14137 * Makefile.in (OBJS-common): Add insn-automata.o.
14138 (insn-automata.o): New rule.
14139 (simple_generated_c): Add insn-automata.c.
14140 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14141 (genprogmd): Add automata.
14142 (build/genattrtab): Needs no extra objects nor libraries.
14143 (build/genautomata): Needs build/vec.o and -lm.
14145 2006-01-22 Zack Weinberg <zackw@panix.com>
14147 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14148 (output_dfa_max_issue_rate, locked_states_num): Delete.
14149 (struct automaton): Add locked_states field.
14150 (output_dead_lock_vect): Save number of locked states in
14151 automaton->locked_states. If it is zero, don't print anything.
14152 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14153 (output_internal_dead_lock_func): Only test the dead_lock_vect
14154 for automata that have locked states.
14155 (output_statistics): Always print the number of locked states for
14156 each automaton. Calculate total number of locked states here.
14157 (write_automata): Don't call output_dfa_max_issue_rate.
14158 * genattrtab.c: Define length_unit_log as a const variable.
14159 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14160 max_insn_queue_index const.
14161 * final.c (length_unit_log): Declare const.
14162 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14164 2006-01-22 Zack Weinberg <zackw@panix.com>
14166 * genautomata.c: Include vec.h, not varray.h.
14167 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14168 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14169 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14170 VEC_* macros operating on appropriately typed vectors, or to
14171 malloced arrays when the size is known in advance. Const-ify
14172 many char* variables and function arguments. No functional changes.
14173 * Makefile.in (build/varray.o): Delete rule.
14174 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14175 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14177 2006-01-22 Zack Weinberg <zackw@panix.com>
14179 * gensupport.c: Define get_insn_name and record_insn_name here.
14180 (read_md_rtx): Call record_insn_name as appropriate.
14181 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14182 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14183 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14185 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14186 (BUILD_VARRAY): Delete.
14187 (genprognormal): Rename genprogmd. Fold in all programs from
14188 genprognoprint; also attrtab.
14189 (build/genattrtab): Just mention genautomata.o and varray.o.
14190 Reorganize a bit, add comments to make the categories clearer.
14192 2006-01-22 Zack Weinberg <zackw@panix.com>
14194 * genconditions.c (condition_table, add_condition): Delete.
14195 (write_conditions): Don't emit n_insn_conditions nor
14196 insn_elision_unavailable. Issue the gcc version #ifdef here,
14197 inside the table, with no #else clause ...
14198 (write_header): ...not here.
14199 (write_writer): New function.
14200 (main): Don't initialize condition_table. Use add_c_test.
14202 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14203 files on the command line.
14204 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14205 Return -1 if there is no entry in the table, don't abort.
14206 (add_c_test, traverse_c_tests): New functions.
14207 * gensupport.h (insn_elision_unavailable, insn_conditions)
14208 (n_insn_conditions): Delete declarations.
14209 (add_c_test, traverse_c_tests): Declare.
14210 * read-rtl.c: Include gensupport.h.
14211 (read_conditions): New function.
14212 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14213 (read_rtx_1): If we get EOF when we were looking for an initial
14214 open paren, return 0. Call read_conditions when appropriate.
14215 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14216 dummy-conditions.o. Eliminate references to insn-conditions.o,
14217 or change them to build/gencondmd.o, as appropriate. Remove
14218 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14219 from $(simple_generated_c). For all files remaining in those
14220 two lists, add insn-conditions.md to the generator command line.
14221 Give insn-constants.h/s-constants their own rules. Add rules
14222 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14223 (build/read-rtl.o): Depend on gensupport.h.
14224 (genprognormal): Include preds.
14225 (genprogearly): Rename genprognoprint; only difference is now that
14226 they don't link with $(BUILD_PRINT).
14227 * dummy-conditions.c: Delete.
14229 2006-01-22 Zack Weinberg <zackw@panix.com>
14231 * genextract.c: Don't include insn-config.h. Do include vec.h.
14232 Declare vectors of int, char, and locstr.
14233 (locstr): New typedef.
14234 (struct extraction): Make all array fields into bare pointers.
14235 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14236 (insn_code_number): Delete.
14237 (accum_extract): New struct.
14238 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14239 (gen_insn): Take insn_code_number as an argument. Use an
14240 accum_extract structure instead of loading data directly into
14241 a struct extraction, and having to know how big it might get.
14242 (walk_rtx): Operate entirely on an accum_extract structure.
14243 (print_path): Avoid unnecessary use of printf.
14244 (print_header): New function, split out of main. Distinguish
14245 more carefully between an unrecognizable insn and an insn that
14246 has the code number of a define_expand.
14247 (main): Pass insn_code_number to gen_insn. Call print_header
14248 only after parsing. Avoid unnecessary use of printf.
14249 * Makefile.in (build/vec.o): New rule.
14250 (build/genextract): Depend on build/vec.o.
14251 (build/genextract.o): Don't depend on insn-config.h.
14253 2006-01-22 Zack Weinberg <zackw@panix.com>
14255 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14256 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14257 practical. Eliminate per-generator-program link rules.
14259 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14261 PR middle-end/24437
14262 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14263 with a call expr to ...
14264 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14266 2006-01-23 Richard Guenther <rguenther@suse.de>
14268 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14269 before make_edge with conditional EDGE_TRUE_VALUE.
14271 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14272 Jan Hubicka <jh@suse.cz>
14273 Richard Guenther <rguenther@suse.de>
14275 PR rtl-optimization/25654
14276 * cfgexpand.c (aggregate_contains_union_type): New function.
14277 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14278 for structure variables that contain a union type.
14280 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14282 * gengtype.c (new_structure): Return the structure.
14283 (create_option): Add an extra "next" argument.
14284 (create_field): New function.
14285 (adjust_field_rtx_def): Use create_option and create_field.
14286 Remove a now-unnecessary call to find_structure.
14287 (adjust_field_tree_def): Likewise.
14288 (note_yacc_type): Remove an unnecessary call to find_structure.
14289 * gengtype.h (new_structure): Return the structure.
14290 (create_option): Add an extra argument.
14291 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14292 (option): Adjust calls to create_option.
14294 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14296 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14298 2006-01-22 Paul Brook <paul@codesourcery.com>
14299 Peter Barada <peter@the-baradas.com>
14301 * config/m68k/m68k.md: Add Coldfire FPU support.
14302 Define FP mode macro and associated attributes.
14303 Use it for float mode patterns.
14304 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14305 (LIBCALL_VALUE): Use m68k_libcall_value.
14306 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14307 (m68k_function_value): Ditto.
14308 (emit_move_sequence): Ditto.
14309 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14310 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14311 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14312 (MULTILIB_EXCEPTIONS): Ditto.
14313 * config/m68k/m68k.opt: Add mcfv4e.
14314 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14315 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14316 (m68k_output_function_prologue): Save ColdFire FPU registers.
14317 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14318 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14319 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14320 ColdFire FPU registers.
14321 (m68k_libcall_value, m68k_function_value): New functions.
14322 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14323 (LIBCALL_VALUE): Use m68k_libcall_value.
14324 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14325 (MASK_COLDFIRE): Add MASK_CFV4E.
14326 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14327 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14328 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14329 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14330 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14331 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14332 * doc/invoke.tex: Document -mcfv4e on m68k.
14334 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14336 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14339 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14342 * c-opts.c (c_common_handle_option): Don't include
14343 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14344 * doc/invoke.texi (C++ Dialect Options): Document that
14345 -Wnon-virtual-dtor is no longer included in -Wall.
14347 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14349 * gcov.c (print_version), gcov-dump.c (print_version),
14350 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14353 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14355 * df-scan.c (problem_SCAN): Added NULL reset function.
14356 (df_scan_reset_blocks): Added code to call reset block function
14357 (df_bb_refs_delete) Fixed comment.
14358 (df_insn_refs_delete): Made tolerant of deleting non existent info
14359 for dataflow problems that need to be reset.
14360 * df-core.c (df_set_blocks): Ditto.
14361 * df.h (struct df_problem): Added reset_fun.
14362 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14363 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14364 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14365 functions to clear out all references to def-use or use-def chains.
14367 2006-01-21 Ben Elliston <bje@au.ibm.com>
14369 * varasm.c (assemble_real): Initialise data array.
14371 2006-01-20 Paul Brook <paul@codesourcery.com>
14373 Merge from csl-arm-branch.
14374 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14375 * config/arm/arm.md (movdi): Force operands[1] to a register
14376 if we have a non-register source.
14377 (*arm_movdi, *movdf_soft_insn): Require that one of the
14378 operands be a register.
14379 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14380 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14382 2006-01-20 DJ Delorie <dj@redhat.com>
14384 * varasm.c (initializer_constant_valid_p): Allow pointers
14385 initialized from integer constants of lesser precision.
14386 (output_constant): Allow non-int-sized pointer modes to be
14387 initialized from integer constants.
14389 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14392 * cppdefault.h (struct default_include): Add multilib flag.
14393 * cppdefault.c (cpp_include_defaults): Set it.
14394 * c.opt (-imultilib): New option.
14395 * c-opts.c (imultilib): New.
14396 (c_common_handle_option): Handle -imultilib.
14397 (c_common_post_options): Likewise.
14398 * c-incpath.c (add_standard_paths, register_include_chains):
14400 * c-incpath.h (register_include_chains): Add extra parameter.
14401 * gcc.c (do_spec_1): Generate -imultilib option.
14402 (The Specs Language): Update %I description.
14403 (process_command): Update copyright notice.
14404 * doc/cppopts.texi (-imultilib): Document.
14405 * doc/invoke.texi (-imultilib): Include in option summary.
14406 (%I): Update specs documentation.
14408 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14410 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14412 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14414 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14417 2006-01-20 Richard Guenther <rguenther@suse.de>
14418 Steven Bosscher <stevenb.gcc@gmail.com>
14420 PR rtl-optimization/24626
14421 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14422 EDGE_TRUE_VALUE if in RTL mode.
14425 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14426 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14428 2006-01-20 Dirk Mueller <dmueller@suse.com>
14431 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14432 instead of a special NOP marker.
14433 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14434 NOP marker handling.
14435 * c-common.h (empty_body_warning): Add forward declaration.
14436 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14437 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14439 2006-01-20 Paul Brook <paul@codesourcery.com>
14441 * Makefile.in (lang_checks): Keep going if mkdir fails.
14443 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14445 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14446 be able to clean out basic block when not necessary.
14447 (df_scan_free): Fixed to properly delete information if df is
14448 unused before calling df_finish.
14449 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14450 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14452 (df_bb_refs_delete): New function.
14453 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14454 * df-core.c (df_set_blocks): Added code to properly clean out
14455 unused blocks if they are not part of the blocks to consider.
14456 Added additional null check.
14457 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14458 be able to clean out basic block when not necessary
14459 * df.h (df_free_bb_function): Ditto.
14460 (df_bb_refs_delete): New function.
14461 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14462 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14463 basic block parameter to be able to clean out basic block when not
14465 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14466 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14467 Fixed to properly delete information if df is unused before
14470 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14472 PR rtl-optimization/25799
14473 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14474 Corrected confluence operator to remove bits from op2 before oring
14475 with op1 rather than removing bits from op1.
14476 (df_ru_transfer_function): Corrected test on wrong bitmap which
14477 caused infinite loop. Both of these problems were introduced in
14478 the dataflow rewrite.
14480 2006-01-19 DJ Delorie <dj@redhat.com>
14482 * reload1.c (find_reload_regs): Note the details of reload
14483 failures in the dump file.
14484 (spill_failure): Likewise.
14486 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14488 * loop-iv.c: Include df.h and hashtab.h.
14489 (enum iv_grd_result): New enum.
14490 (DF_REF_IV, DF_REF_IV_SET): New macros.
14491 (struct biv_entry): New.
14492 (df, bivs): New global variables.
14493 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14494 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14496 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14497 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14498 analyzed_for_bivness_p, record_biv): New functions.
14499 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14500 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14501 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14503 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14505 (iv_number_of_iterations): Use new interface to iv analysis.
14506 * loop-unroll.c: Do not include varray.h.
14507 (analyze_iv_to_split_insn): Use new interface to iv
14509 * loop-unswitch.c (may_unswitch_on): Ditto.
14510 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14512 (df_bb_modify): Realloc tables to the new index.
14513 (df_find_use): New function.
14514 * df.h (df_find_use): Declare.
14515 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14517 * cfgloop.h (struct rtx_iv): Remove analysed field.
14518 (iv_get_reaching_def): Removed.
14519 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14520 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14521 (loop-iv.o): Add df.h and hashtab.h dependency.
14522 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14524 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14527 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14529 (__floatundisf, __floatundidf): Likewise.
14530 * libgcc2.h (IS_IBM_EXTENDED): Define.
14532 2006-01-19 DJ Delorie <dj@redhat.com>
14534 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14536 2006-01-19 Paul Brook <paul@codesourcery.com>
14538 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14539 as nothrow when unwinding tables are disabled.
14541 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14544 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14545 of bit-field" when in system header.
14547 2006-01-19 DJ Delorie <dj@redhat.com>
14549 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14550 the 16 bit shift limit of the m16c.
14552 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14555 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14556 * config/i386/i386.c (output_set_got): Output the label if we have one
14557 for the TARGET_DEEP_BRANCH_PREDICTION case.
14559 2006-01-19 Jan Hubicka <jh@suse.cz>
14560 H.J. Lu <hongjiu.lu@intel.com>
14561 Evandro Menezes <evandro.menezes@amd.com>
14563 * invoke.texi (generic): Document
14565 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14566 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14567 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14568 (x86_use_incdec, x86_pad_returns): New variables
14569 (TARGET_CPU_DEFAULT_generic): New constant
14570 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14571 (enum processor_type): Add generic32 and generic64.
14572 * i386.md (cpu attribute): Add generic32/generic64
14573 (movhi splitter): Behave sanely when both partial_reg_dependency and
14574 partial_reg_stall are set.
14575 (K8 splitters): Enable for generic as well.
14576 * predicates.md (incdec_operand): Use TARGET_INCDEC
14577 (aligned_operand): Avoid memory mismatch stalls.
14578 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14579 * ppro.md: Enable for generic32
14580 * i386.c (generic64_cost, generic32_cost): New.
14581 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14582 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14583 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14584 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14585 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14586 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14587 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14588 x86_accumulate_outgoing_args, x86_prologue_using_move,
14589 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14590 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14591 Enable for generic.
14592 (x86_use_incdec, x86_pad_returns): New.
14593 (override_options): Add generic32 and generic64, translate "generic"
14594 to generic32/generic64 and "i686" to "generic32", refuse
14595 "generic32"/"generic64" as arch target.
14596 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14597 (ix86_reorg): Honor PAD_RETURNS.
14599 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14601 * tree-pretty-print.c (dump_generic_node): Handle
14602 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14603 * cgraph.c (cgraph_expand_queue): Rename from
14604 cgraph_analyze_queue. Update all users.
14605 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14606 cgraph_expand_queue.
14607 (cgraph_expand_all_functions): Likewise.
14608 (cgraph_finalize_pending_functions): Remove. Update callers.
14610 * tree.h (OMP_DIRECTIVE_P): Define.
14611 (OMP_PARALLEL_FN): Define.
14612 (OMP_PARALLEL_DATA_ARG): Define.
14613 (OMP_SECTIONS_SECTIONS): Define.
14614 * tree-pass.h (pass_expand_omp): Declare.
14615 * omp-low.c (struct omp_region): Declare.
14616 (struct omp_context): Remove fields 'parallel_type',
14617 'parallel_start_ix' and 'parallel_start_additional_args'.
14619 (struct omp_for_data): Rename from struct expand_omp_for_data.
14620 (omp_regions): New static variable.
14621 (root_omp_region): New static variable.
14622 (find_omp_clause): Make static.
14623 (is_in_combined_parallel_ctx): Remove.
14624 (is_combined_parallel): New.
14625 (extract_omp_for_data): Move earlier in the file.
14626 (workshare_safe_to_combine_p): New.
14627 (get_ws_args_for): New.
14628 (determine_parallel_type): Move earlier in the file.
14629 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14631 (omp_copy_decl): Likewise.
14632 (create_omp_child_function): Likewise.
14633 (lookup_omp_region): New.
14634 (dump_omp_region): New.
14635 (debug_omp_region): New.
14636 (debug_all_omp_regions): New.
14637 (new_omp_region): New.
14638 (scan_omp_parallel): If parallel_nesting_level > 1, the
14639 directive is nested within another parallel directive.
14640 Set OMP_PARALLEL_FN.
14641 (scan_omp_for): Do not try to handle combined parallel+for
14643 Remove FIXME comment.
14644 (scan_omp_nested): Remove.
14645 (scan_omp_1): Do not call scan_omp_nested when
14646 parallel_nesting_level is > 1.
14647 Do not change the DECL_CONTEXT of local variables found.
14648 (lookup_decl_in_outer_ctx): New.
14649 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14650 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14651 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14652 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14653 If CTX is nested, lookup VAR in the outer context when
14654 building copy assignment.
14655 (lower_send_clauses): Rename from expand_send_clauses.
14656 If CTX is nested, lookup VAR in the outer context when
14657 building copy assignments.
14658 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14659 If CTX is nested, lookup VAR in the outer context when
14660 building copy assignments.
14661 (expand_parallel_call): Rename from build_parallel_call.
14662 Handle combined parallel+workshare cases.
14663 Re-implement to emit code into the CFG.
14665 (expand_omp_parallel): Re-implement to emit code into the CFG.
14666 Call move_sese_region_to_fn to outline the sub-graph
14667 containing the parallel region.
14668 (expand_omp_for_1): Remove.
14669 (expand_omp_for_generic): Re-implement to emit code into the
14671 (expand_omp_for_static_nochunk): Likewise.
14672 (expand_omp_for_static_chunk): Likewise.
14673 (expand_omp_for): Likewise.
14674 (expand_omp_sections): Likewise.
14675 (remove_exit_barriers): New.
14676 (expand_omp_synch): New.
14678 (build_omp_regions_1): New.
14679 (build_omp_regions): New.
14680 (execute_expand_omp): New.
14681 (gate_expand_omp): New.
14682 (pass_expand_omp): Define.
14683 (lower_omp_sections): Rename from expand_omp_sections.
14684 Set OMP_SECTIONS_SECTIONS.
14685 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14686 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14687 (lower_omp_single): Rename from expand_omp_simple.
14688 (lower_omp_master): Rename from expand_omp_master.
14689 (lower_omp_ordered): Rename from expand_omp_ordered.
14690 (lower_omp_critical): Rename from expand_omp_critical.
14691 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14692 (lower_omp_for): Re-implement.
14693 (lower_omp_parallel): Re-implement.
14694 (lower_regimplify): Rename from expand_regimplify.
14695 (lower_omp_1): Rename from expand_omp_1.
14696 If there are syntax errors in the program, replace every
14697 OpenMP directive with NOP.
14698 Call lower_omp_* instead of expand_omp_*.
14699 (lower_omp): Rename from expand_omp.
14701 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14702 * tree-gimple.h (enum omp_parallel_type): Remove.
14703 (gimple_boolify): Declare extern.
14704 (find_omp_clause, determine_parallel_type): Remove.
14706 * gimple-low.c (lower_omp_directive): New.
14707 (lower_stmt): Call it.
14708 (record_vars_into): Move from ...
14709 (record_vars): ... here.
14710 Call record_vars_into with current_function_decl.
14712 * gimplify.c (struct gimplify_ctx): Remove fields
14713 combined_pre_p and combined_ctxp. Update users.
14714 (get_formal_tmp_var): Add documentation.
14715 (gimple_boolify): Make extern.
14716 (gimplify_expr_in_ctx): Remove. Update callers.
14717 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14718 will always be a BIND_EXPR.
14719 (gimplify_expr): Handle OMP_RETURN_EXPR.
14720 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14721 (OMP_PARALLEL): Add 3 operands.
14722 (OMP_SECTIONS): Add 1 operand.
14723 (OMP_RETURN_EXPR): Define.
14725 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14726 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14727 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14728 creating a circular free list.
14729 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14731 * tree-flow.h (move_sese_region_to_fn): Declare.
14732 (record_vars_into): Declare.
14733 * tree-cfg.c (make_omp_sections_edges): New.
14734 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14735 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14736 OMP_SECTIONS and OMP_SECTION.
14737 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14738 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14739 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14740 (gather_blocks_in_sese_region): New.
14741 (struct move_stmt_d): Declare.
14742 (move_stmt_r): New.
14743 (move_block_to_fn): New.
14744 (move_sese_region_to_fn): New.
14746 * passes.c (init_optimization_passes): Schedule
14747 pass_expand_omp after pass_init_datastructures.
14749 * tree-ssa-operands.c (get_expr_operands): Handle
14750 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14751 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14753 2006-01-19 Jeff Law <law@redhat.com>
14755 * tree-vrp.c (extract_range_from_assert): Refine the result range
14756 if the variable referenced by the ASSERT_EXPR has a range and
14757 either the tentative result range or the previous range is a
14760 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14762 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14764 2006-01-19 Jan Hubicka <jh@suse.cz>
14766 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14768 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14770 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14771 (expand_compound_operation, expand_field_assignment): Fail if the
14772 bit lengths of an extract operation are out of range.
14773 (make_extraction): Compute wanted_inner_mode based on the position
14774 and length of the extraction. Make it extraction_mode for non-constant
14775 positions, and do not modify offset in that case. When generating a
14776 new MEM, use a mode that can hold the extraction while keeping correct
14777 alignment. Remove code that supported MEMs wrapped by USEs.
14778 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14780 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14782 * config/s390/s390.md ("Y", "y"): New mode attribute.
14783 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14784 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14785 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14786 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14787 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14788 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14789 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14790 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14791 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14792 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14793 "addsi3", "subsi3"): Insn patterns removed.
14794 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14795 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14796 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14797 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14798 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14799 "*sub<mode>3_cconly2"): New insn patterns.
14800 ("addsi3", "subsi3"): New expanders.
14802 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14804 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14805 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14806 existing STMT_VINFO_VECTYPE if available.
14807 (vect_mark_relevant): Add special handling for stmts that are
14808 marked as STMT_VINFO_IN_PATTERN_P.
14809 (vect_analyze_loop): Call vect_pattern_recog.
14810 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14811 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14813 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14814 (vect_recog_func_ptr): New function-pointer type.
14815 * tree-vect-patterns.c: New file.
14816 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14817 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14818 (vect_pattern_recog_1): New functions.
14819 (vect_pattern_recog_funcs): New array of function pointers.
14821 * tree-vectorizer.h (ternary_op): New enum value.
14822 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14823 declaration. Revised documentation. Removed redundant dump prints.
14824 Removed redundant argument. Added support for reduction patterns.
14825 (vectorizable_reduction): Added support for reduction patterns.
14826 (vect_transform_stmt): Added support for patterns.
14828 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14829 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14830 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14831 (expand_widen_pattern_expr): New function.
14832 (init_optabs): Initialize new optabs udot_prod_optab,
14834 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14835 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14836 (expand_widen_pattern_expr): New function declaration.
14837 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14839 * tree-inline.c (estimate_num_insns_1): Added cases for new
14840 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14841 * tree-pretty-print.c (dump_generic_node): Likewise.
14842 (op_prio): Likewise.
14843 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14844 * tree-ssa-operands.c (get_expr_operands): Added case for
14846 * tree-vect-patterns.c (widened_name_p): New function.
14847 (vect_recog_dot_prod_pattern): Added function implementation.
14848 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14849 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14850 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14851 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14853 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14854 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14855 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14856 (init_optabs): Initialize new optabs widen_ssum_optab,
14858 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14859 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14860 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14861 use instead of type of def.
14862 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14863 function implementation.
14864 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14865 widen_ssumv8hi): New.
14867 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14870 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14873 * c-decl.c (add_flexible_array_elts_to_size): New function.
14874 (finish_decl): Use it.
14876 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14878 * diagnostic.h: Include options.h.
14879 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14880 dependancies for diagnostic.h.
14881 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14883 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14885 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14886 (ssa_ro_call_cache_valid): Ditto.
14887 * tree-ssa-alias.c (sort_tags_by_id): New function.
14888 (init_transitive_clobber_worklist): Ditto.
14889 (add_to_worklist): Ditto.
14890 (mark_aliases_call_clobbered): Ditto.
14891 (compute_tag_properties): Ditto.
14892 (set_initial_properties): Ditto.
14893 (compute_call_clobbered): Ditto.
14894 (compute_may_aliases): Call compute_call_clobbered and grouping.
14895 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14896 (compute_flow_insensitive_aliasing): Grouping now happens in our
14898 (setup_pointers_and_addressables): Remove clobbering related code.
14899 (add_may_alias): Ditto.
14900 (replace_may_alias): Ditto.
14901 (get_nmt_for): Ditto.
14902 (create_global_var):
14903 (is_escape_site): Return an escape_type enumeration.
14904 * tree-flow-inline.h (is_call_clobbered): Global var does not
14905 imply call clobbered.
14906 (mark_call_clobbered): Take a reason for marking this. Remove
14907 marking of globalness, and cache invalidation.
14908 (clear_call_clobbered): Remove cache invalidation code.
14909 * tree-dfa.c (dump_variable): If details is on, dump the reason
14911 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14913 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14914 (struct var_ann_d): Ditto.
14915 (enum escape_type): New.
14916 (mark_call_clobbered): Adjust prototype.
14917 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14918 are never call clobbered.
14919 Record reasons for escaping.
14920 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14921 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14922 (ssa_ro_call_cache_valid): Ditto.
14923 (clobbered_v_may_defs): Ditto.
14924 (clobbered_vuses): Ditto.
14925 (ro_call_vuses): Ditto.
14926 (clobber_stats): New.
14927 (init_ssa_operands): Zero out clobber stats.
14928 (fini_ssa_operands): Print out clobber stats.
14929 (get_call_expr_operands): Pass callee fndecl to
14930 add_call_read_ops).
14931 (add_call_clobber_ops): Remove use of cache.
14932 Add use of PURE_CONST information.
14933 (add_call_read_ops): Remove use of cache.
14934 Add use of static not_read information.
14936 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14938 Introduce TLS descriptors for i386 and x86_64.
14939 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14940 (TARGET_ANY_GNU_TLS): New macro.
14941 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14942 (struct machine_function): Add tls_descriptor_call_expanded_p.
14943 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14944 (ix86_current_function_calls_tls_descriptor): Likewise.
14945 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14946 (override_options): Introduce gnu2 tls dialect.
14947 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14949 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14951 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14952 (ix86_init_machine_status): Initialize new field.
14953 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14954 (ix86_tls_module_base): New.
14955 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14956 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14957 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14958 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14959 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14960 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14961 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14962 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14963 * config/i386/predicates.md (tls_modbase_operand): New.
14964 (tp_or_register_operand): New.
14966 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14968 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14969 (look_for_address_of): Ditto.
14970 (ipa_init): Walk the function decls.
14971 (static_execute): Don't set readonly on FUNCTION_DECL's.
14973 2006-01-18 Roger Sayle <roger@eyesopen.com>
14975 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14976 for shifts where the source and destination registers are different.
14978 2006-01-18 Paul Brook <paul@codesourcery.com>
14980 Merge from csl-arm-branch.
14981 2005-03-14 Julian Brown <julian@codesourcery.com>
14982 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14983 (aeabi_llsl): Likewise.
14984 (ashrdi3): Likewise.
14985 (aeabi_lasr): Likewise.
14986 (lshrdi3): Likewise.
14987 (aeabi_llsr): Likewise.
14988 2005-03-10 Julian Brown <julian@codesourcery.com>
14989 * config.gcc: Disable shared libgcc for SymbianOS.
14990 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14992 2006-01-18 DJ Delorie <dj@redhat.com>
14994 * c-pragma.c (handle_pragma_diagnostic): New.
14995 (init_pragma): Register it.
14996 * doc/extend.texi: Document it.
14998 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14999 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15000 (diagnostic_context): Add classify_diagnostic[].
15001 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15002 as errors if they're overridden to DK_WARNING.
15003 (diagnostic_initialize): Initialize classify_diagnostic[].
15004 (diagnostic_set_kind_override): New.
15005 (diagnostic_report_diagnostic): Check for kind changes.
15006 * opts.c (common_handle_option): Take lang_mask. Update callers.
15007 Handle OPT_Werror_.
15008 * common.opt (Werror=): New.
15009 * doc/invoke.texi: Document -Werror=*
15011 2006-01-18 Jeff Law <law@redhat.com>
15013 * tree-vrp.c (test_for_singularity): Correct test for new
15014 min limit. Use operand_equal_p rather than pointer equality
15015 for testing if new min/max values are equal.
15017 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15018 using range information until after propagation and folding.
15020 2006-01-18 Richard Henderson <rth@redhat.com>
15021 Aldy Hernandez <aldyh@redhat.com>
15022 Jakub Jelinek <jakub@redhat.com>
15023 Diego Novillo <dnovillo@redhat.com>
15025 * omp-low.c: New file.
15026 * c-omp.c: New file.
15028 2006-01-18 Richard Henderson <rth@redhat.com>
15029 Jakub Jelinek <jakub@redhat.com>
15030 Diego Novillo <dnovillo@redhat.com>
15032 * doc/invoke.texi: Document -fopenmp.
15033 * tree-dump.h (debug_function): Declare.
15034 * hooks.c (hook_bool_tree_bool_false): New function.
15035 (hook_tree_tree_null): Remove.
15036 (hook_tree_tree_tree_null): New.
15037 * hooks.h: Update to match.
15038 * tree-pretty-print.c (debug_tree_chain): New.
15039 (print_generic_expr): Handle TDF_CHAIN.
15040 (dump_generic_node): Handle BLOCK.
15041 Do not abort with incomplete SWITCH_EXPRs.
15042 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15043 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15044 print space after directive name.
15045 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15046 Handle OMP_MASTER and OMP_ORDERED.
15047 Handle printing of OMP_BODY just in one place, goto
15048 dump_omp_body in the rest of OMP_* nodes that have
15050 Don't handle clause nodes here. Update omp statements to
15051 use dump_omp_clauses.
15052 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15053 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15054 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15055 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15056 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15057 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15058 Adjust output for GOMP_PARALLEL.
15059 (dump_omp_clauses): New.
15060 (print_declaration): Dump DECL_VALUE_EXPR.
15061 (op_symbol_1): Split out of op_symbol.
15062 (dumping_stmts): Remove. Update all users.
15063 * cgraph.c (cgraph_analyze_queue): New.
15064 (cgraph_add_new_function): New.
15065 * cgraph.h (cgraph_analyze_queue): Declare.
15066 (cgraph_add_new_function): Declare.
15067 (cgraph_lower_function): Remove.
15068 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15069 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15070 and TYPE_P nodes in its default clause.
15071 (empty_body_p): New.
15072 (tree_range_check_failed): New.
15073 (build5_stat): New.
15074 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15075 OMP_CLAUSE_REDUCTION_MERGE,
15076 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15077 OMP_CLAUSE_PRIVATE_DEBUG,
15078 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15079 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15080 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15081 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15082 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15083 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15084 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15085 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15086 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15087 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15088 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15089 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15090 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15091 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15092 (TREE_RANGE_CHECK): New.
15093 (empty_body_p): Declare.
15094 (enum omp_clause_default_kind): New.
15095 (build_string_literal): Declare.
15096 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15097 (build5_stat, build5): Declare.
15098 * tree-pass.h (TDF_CHAIN): Define.
15099 * tree-pass.h (PROP_gimple_lomp): Define.
15100 (pass_lower_omp): Declare.
15101 * diagnostic.h (debug_tree_chain): Declare.
15102 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15104 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15105 * builtins.c (build_string_literal): Make extern.
15106 * gcc.c (include_spec_function): New.
15107 (static_spec_functions): Add it.
15108 (main): Move load of libgomp.spec ...
15109 (LINK_COMMAND_SPEC): ... here.
15110 (link_gomp_spec): New.
15111 (static_specs): Include it.
15112 (LINK_COMMAND_SPEC): Add link_gomp.
15113 (GOMP_SELF_SPECS): New.
15114 (driver_self_specs): Include it.
15115 (switch_matches): Don't mark inline.
15116 (main): Load libgomp.spec.
15117 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15118 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15119 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15120 * tree-gimple.h (enum omp_parallel): Declare.
15121 (determine_parallel_type): Declare.
15122 (omp_firstprivatize_variable): Declare.
15123 (omp_reduction_init): Declare.
15124 (diagnose_omp_structured_block_errors): Declare.
15125 (struct walk_stmt_info): Add want_return_expr.
15126 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15127 (find_omp_clause): Declare.
15128 (insert_field_into_struct): Declare.
15129 (struct walk_stmt_info): Move from tree-nested.c
15130 (walk_stmts): Declare.
15131 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15133 * cgraphunit.c (cgraph_lower_function): Make static.
15134 (cgraph_finalize_pending_functions): New.
15135 (cgraph_finalize_function): Call it.
15136 (cgraph_finalize_compilation_unit): Likewise.
15137 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15138 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15139 (BT_FN_UINT_UINT): New.
15140 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15141 DEF_FUNCTION_TYPE_VAR_4): Document.
15142 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15143 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15144 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15145 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15146 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15147 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15148 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15149 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15150 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15151 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15152 into separate files.
15153 (DEF_GOMP_BUILTIN): New.
15154 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15155 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15156 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15157 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15158 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15159 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15160 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15161 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15162 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15163 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15164 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15165 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15166 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15167 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15168 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15169 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15170 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15171 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15172 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15173 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15174 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15175 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15176 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15177 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15178 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15179 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15180 * sync-builtins.def: New file, moved from builtins.def.
15181 * omp-builtins.def: New file, moved from builtins.def.
15182 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15183 * gimple-low.c (lower_function_body): Clear data.
15184 (lower_stmt): Do not handle COMPOUND_EXPR.
15185 Remove call to print_node_brief.
15186 * c-tree.h (c_finish_omp_clauses): New prototype.
15187 (C_DECL_THREADPRIVATE_P): Define.
15188 (lookup_name_no_remap, c_omp_remap_private): Remove
15189 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15190 (check_for_loop_decls): Update decl.
15191 (lookup_name_no_remap, c_omp_remap_private): Declare.
15192 (build_indirect_ref, build_modify_expr, pushdecl,
15193 pushdecl_top_level): Move to c-common.h.
15194 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15195 before the switch, but just in the 2 places that need it.
15196 * c-decl.c (diagnose_mismatched_decls): Do not check for
15197 mismatched thread-local attributes when OLDDECL is marked
15198 threadprivate and NEWDECL has no thread-local attributes.
15199 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15200 (c_gimple_diagnostics_recursively): Rename from
15201 c_warn_unused_result_recursively. Invoke
15202 diagnose_omp_structured_block_errors.
15203 (check_for_loop_decls): Return a singular decl found.
15204 * langhooks.c (lhd_omp_predetermined_sharing): Return
15205 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15206 (lhd_omp_firstprivatize_type_sizes): New.
15207 (lhd_omp_assignment): New.
15208 (lhd_omp_predetermined_sharing): New.
15209 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15210 (struct lang_hooks_for_types): Add
15211 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15212 omp_predetermined_sharing, omp_disregard_value_expr,
15213 omp_private_debug_clause, omp_clause_default_ctor,
15214 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15215 (c_finish_omp_clauses): New.
15216 (c_finish_bc_stmt): Diagnose break within omp for.
15217 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15218 (build_unary_op): Return error_mark after reporting
15220 (build_modify_expr): Likewise.
15221 * gimplify.c: Include optabs.h and pointer-set.h.
15222 (enum gimplify_omp_var_data): Declare.
15223 (struct gimplify_omp_ctx): Declare.
15224 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15226 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15227 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15228 (splay_tree_compare_decl_uid): New.
15229 (new_omp_context): New.
15230 (delete_omp_context): New.
15231 (gimple_add_tmp_var): Call omp_add_variable.
15232 (gimplify_bind_expr): Likewise.
15233 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15234 true, disregard DECL_VALUE_EXPR on the decl if any.
15235 (gimplify_expr_in_ctx): New.
15236 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15237 omp_add_variable, omp_notice_variable, omp_is_private
15238 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15239 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15240 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15241 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15242 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15243 gimplify_omp_atomic): New.
15244 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15245 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15246 OMP_CRITICAL and OMP_ATOMIC.
15247 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15248 * c-pragma.h (enum pragma_kind): Add
15249 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15250 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15251 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15252 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15253 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15254 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15255 PRAGMA_OMP_THREADPRIVATE.
15256 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15257 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15258 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15259 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15260 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15261 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15262 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15263 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15264 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15265 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15266 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15267 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15268 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15270 (struct nesting_info): Add field_map,
15271 suppress_expansion, debug_var_chain.
15272 (create_nesting_tree): Initialize them.
15273 (lookup_field_for_decl): Use field_map.
15274 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15275 (convert_local_omp_clauses): New.
15276 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15277 (walk_body): Split out of walk_function.
15278 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15279 (convert_nonlocal_reference): Handle omp statements.
15280 (convert_local_reference): Likewise.
15281 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15282 (unnest_nesting_tree): New.
15283 (lower_nested_functions): Call it.
15284 (insert_field_into_struct): Make extern.
15285 (struct walk_stmt_info): Move to tree-gimple.h.
15286 (walk_stmts): Make extern.
15287 * omp-builtins.def: New file.
15288 * tree-iterator.c (expr_only): Clarify comment.
15289 * c-common.h (pushdecl_top_level, pushdecl,
15290 build_modify_expr, build_indirect_ref,
15291 c_finish_omp_master, c_finish_omp_critical,
15292 c_finish_omp_ordered, c_finish_omp_barrier,
15293 c_finish_omp_atomic, c_finish_omp_flush,
15294 c_finish_omp_for, c_split_parallel_clauses,
15295 omp_clause_default_kind, c_omp_sharing_predetermined,
15296 c_omp_remap_decl): Declare.
15297 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15298 (OBJS-common): Add omp-low.o.
15299 (c-omp.o, omp-low.o): Add.
15300 (gimplify.o): Add dependency on $(OPTABS_H).
15301 (GTFILES): Add omp-low.c.
15302 (gt-stringpool.h): Add.
15303 * tree-cfg.c (set_bb_for_stmt): Do not update the
15304 block-to-labels map if we are currently expanding to RTL.
15305 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15307 Handle IDENTIFIER_NODE.
15308 (tree_verify_flow_info): Do not ICE when emitting error
15309 messages about invalid labels.
15310 (dump_function_to_file): Reset CFUN before emitting the body
15312 (debug_function): New.
15313 * passes.c (init_optimization_passes): Schedule
15315 * langhooks-def.h (lhd_omp_predetermined_sharing,
15316 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15318 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15319 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15320 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15321 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15322 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15323 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15324 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15325 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15326 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15327 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15328 (LANG_HOOK_DECLS): Use them.
15330 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15331 Richard Henderson <rth@redhat.com>
15332 Jakub Jelinek <jakub@redhat.com>
15333 Diego Novillo <dnovillo@redhat.com>
15335 * c-parser.c (pragma_omp_clause): Define.
15336 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15337 (c_parser_compound_statement): Likewise.
15338 (c_parser_statement): Likewise.
15339 (c_parser_pragma): Handle omp pragmas.
15340 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15341 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15342 (c_parser_omp_clause_name, check_no_duplicate_clause,
15343 c_parser_omp_variable_list,
15344 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15345 c_parser_omp_clause_copyprivate,
15346 c_parser_omp_clause_default,
15347 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15348 c_parser_omp_clause_lastprivate,
15349 c_parser_omp_clause_nowait,
15350 c_parser_omp_clause_num_threads,
15351 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15352 c_parser_omp_clause_reduction,
15353 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15354 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15355 c_parser_omp_atomic, c_parser_omp_barrier,
15356 c_parser_omp_critical, c_parser_omp_flush,
15357 c_parser_omp_for_loop, c_parser_omp_for,
15358 c_parser_omp_master, c_parser_omp_ordered,
15359 c_parser_omp_sections_scope, c_parser_omp_sections,
15360 c_parser_omp_parallel, c_parser_omp_single,
15361 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15362 * c-pragma.c (init_pragma): Do omp pragma registration here.
15363 * c.opt (fopenmp): New flag.
15365 2006-01-18 Eric Christopher <echristo@apple.com>
15367 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15368 * config/darwin.h (GOMP_SELF_SPECS): Define.
15370 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15372 * rtl.h: Remove the prototype for reg_alloc.
15374 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15377 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15378 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15379 sjlj and dwarf2 exception handling.
15380 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15381 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15382 * pa/pa.c (function_value): Treat complex and vector types as
15384 (function_arg): Likewise. Only pass scalar floats in the floating
15385 point argument registers.
15386 * pa/t-slibgcc-dwarf-ver: New file.
15387 * pa/t-slibgcc-sjlj-ver: New file.
15388 * pa/t-slibgcc-elf-ver: Delete file.
15390 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15392 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15393 unlikely_test_section_p test.
15395 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15397 * mode-switching.c (optimize_mode_switching): Make it static.
15398 * basic-block.h: Remove the prototype for
15399 optimize_mode_switching.
15401 * modulo-sched.c (sms_schedule): Make it static.
15402 * rtl.h: Remove the prototype for sms_schedule.
15404 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15405 * rtl.h: Remove the prototype for gcse_after_reload_main.
15407 * reg-stack.c (reg_to_stack): Make it static.
15408 * rtl.h: Remove the prototype for reg_to_stack.
15410 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15412 * rtl.h: Remove the prototypes for regrename_optimize and
15413 copyprop_hardreg_forward.
15415 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15417 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15418 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15419 Test against the appropriate null constant for the mode.
15420 If 'fixup_overlap' is true, swap the operands if they overlap.
15421 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15422 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15423 alpha_split_tmode_pair and adjust for above change.
15424 * config/alpha/alpha.md (movtf_internal): Adjust call to
15425 alpha_split_tfmode_pair and rely on it to swap the operands.
15426 (movti_internal): New insn and post-reload splitter.
15427 (movti): New expander.
15429 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15431 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15434 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15436 * rtlanal.c (global_reg_mentioned_p_1,
15437 global_reg_mentioned_p): Remove.
15438 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15440 * flow.c (initialize_uninitialized_subregs): Make it static.
15441 * rtl.h: Remove the prototype for
15442 initialize_uninitialized_subregs.
15444 * function.c (instantiate_virtual_regs): Make it static.
15445 * function.h: Remove the prototype for
15446 instantiate_virtual_regs.
15448 * regmove.c (regmove_optimize, combine_stack_adjustments):
15450 * rtl.h: Remove the prototypes for regmove_optimize and
15451 combine_stack_adjustments.
15453 2006-01-17 Roger Sayle <roger@eyesopen.com>
15455 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15456 (size_cost): Encode costs in bytes so that a reg-reg addition is
15457 equivalent to COSTS_N_INSNS(1).
15458 (override_options): Use the size_cost.branch_cost as the default
15459 ix86_branch_cost when optimizing for size.
15461 2006-01-18 Ben Elliston <bje@au.ibm.com>
15463 * Makefile.in (D32PBIT_FUNCS): New.
15464 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15465 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15466 D64PBIT_FUNCS and D128PBIT_FUNCS.
15467 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15468 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15470 (decnumber_dep): Define.
15471 * doc/libgcc.texi (Decimal float library routines): New node.
15472 * config/dfp-bit.h, config/dfp-bit.c: New files.
15474 2006-01-18 Ben Elliston <bje@au.ibm.com>
15476 * expr.c (emit_move_change_mode): Always adjust addresses, not
15477 just during reload. Copy replacements only during reload.
15478 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15479 emit_move_via_integer.
15481 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15483 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15484 instead of $(srcdir) and ${srcdir}.
15486 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15489 PR middle-end/11135
15490 * arm.h (struct machine_function): Add pic_reg.
15491 * arm.c (arm_pic_register): Make unsigned.
15492 (arm_override_options): Only set arm_pic_register if
15493 TARGET_SINGLE_PIC_BASE.
15494 (use_return_insn): Only test for a pic register if it is fixed.
15495 (arm_compute_save_reg0_reg12_mask): Likewise.
15496 (thumb_compute_save_reg_mask): Likewise.
15497 (legitimate_pic_operand): Factor out some known invariants.
15498 (legitimize_pic_address): If we don't have a fixed pic register,
15499 then set up a pseudo in the function entry sequence. Handle the
15500 pic base being in a pseudo.
15501 (arm_load_pic_register): Handle the pic register being in a pseudo.
15502 (arm_expand_prologue): Only set up the pic register if it is fixed.
15503 (thumb_expand_prologue): Likewise.
15504 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15505 (pic_load_addr_based_insn): Likewise.
15506 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15509 2006-01-18 Ben Elliston <bje@au.ibm.com>
15511 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15512 decimal float modes for all floating point registers.
15514 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15515 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15517 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15520 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15521 even when the pointer is not NULL.
15523 2006-01-16 Ian Lance Taylor <ian@airs.com>
15525 * common.opt (ftoplevel-reorder): New option.
15526 * cgraph.c (cgraph_asm_nodes): New global variable.
15527 (cgraph_asm_last_node): New static variable.
15528 (cgraph_order): New global variable.
15529 (cgraph_create_node): Set new order field.
15530 (cgraph_varpool_node): Likewise.
15531 (decide_is_variable_needed): Return true if not
15532 flag_toplevel_reorder.
15533 (cgraph_add_asm_node): New function.
15534 * cgraph.h (struct cgraph_node): Add order field.
15535 (struct cgraph_varpool_node): Add order field.
15536 (struct cgraph_asm_node): Define.
15537 (cgraph_asm_nodes, cgraph_order): Declare.
15538 (cgraph_add_asm_node): Declare.
15539 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15541 (cgraph_varpool_assemble_pending_decls): Call it.
15542 (cgraph_output_pending_asms): New static function.
15543 (cgraph_finalize_compilation_unit): Call it.
15544 (struct cgraph_order_sort): Define.
15545 (cgraph_output_in_order): New static function.
15546 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15547 !flag_toplevel_reorder case.
15548 * c-parser.c: Include "cgraph.h".
15549 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15551 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15552 than -fno-unit-at-a-time.
15553 * doc/invoke.texi (Option Summary): Mention
15554 -fno-toplevel-reorder.
15555 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15556 -funit-at-a-time documentation.
15558 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15559 Kazu Hirata <kazu@codesourcery.com>
15561 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15563 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15565 * Makefile.in (FUNCTION_H): New. Use it instead of
15566 function.h throughout the file.
15567 * function.h: Include tree.h.
15569 2006-01-17 Ben Elliston <bje@au.ibm.com>
15571 * recog.c: Separate some functions with whitespace.
15573 2006-01-16 Richard Henderson <rth@redhat.com>
15575 Merge from gomp branch:
15576 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15577 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15578 and rename from struct inline_data. Rename callee* to dst*;
15579 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15580 transform_new_cfg, transform_return_to_modify, and
15581 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15583 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15584 (copy_decl_for_dup): Remove.
15585 * tree-inline.c (struct inline_data): Move to header.
15586 (insert_decl_map): Export.
15587 (remap_decl): Update for member name changes. Use copy_decl hook.
15588 Allow for replacement to be a non-decl. Remove dead code.
15589 (remap_type_1): Check for existing mapping.
15590 (remap_type): Export.
15591 (remap_decls): Update for member name changes.
15592 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15593 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15594 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15595 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15596 (tree_function_versioning, build_duplicate_type): Likewise.
15597 (copy_body_r): Likewise. Export.
15598 (copy_decl_for_dup): Split into ...
15599 (copy_decl_for_dup_finish, copy_decl_to_var,
15600 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15601 (replace_ref_tree, inlining_p): Remove.
15603 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15605 * ifcvt.c (if_convert): Make it static.
15606 * rtl.h: Remove the prototype for if_convert.
15608 * local-alloc.c (local_alloc): Make it static.
15609 * rtl.h: Remove the prototype for local_alloc.
15611 * loop.c (loop_optimize): Make it static.
15612 * cfgloop.h: Remove the prototype for loop_optimize.
15615 2006-01-16 DJ Delorie <dj@redhat.com>
15617 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15620 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15622 * pa.md: Disparage copies between general and floating-point registers
15623 in 32-bit move patterns.
15625 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15628 * Makefile.in (check-%): Depend on site.exp instead of
15629 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15632 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15634 * global.c (global_alloc): Make it static.
15635 * rtl.h: Remove the prototype for global_alloc.
15637 2006-01-16 Richard Guenther <rguenther@suse.de>
15639 * tree-ssa-alias.c (struct used_part): Add write_only field.
15640 (get_or_create_used_part_for): Initialize it to true.
15641 (create_overlap_variables_for): Don't create structure variables
15642 for structures that only are written to.
15643 (find_used_portions): Handle MODIFY_EXPR to track whether a
15644 structure is only written to.
15646 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15648 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15650 * basic-block.h: Remove the prototype for
15651 partition_hot_cold_basic_blocks.
15653 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15655 * cppspec.c (lang_specific_spec_functions): Remove.
15656 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15657 * gcc.h (lang_specific_spec_functions): Remove.
15658 * gccspec.c (lang_specific_spec_functions): Remove.
15660 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15662 * combine.c (record_value_for_reg): Invalidate registers
15664 (record_dead_and_set_regs_1): Likewise, by passing them to
15665 record_value_for_reg.
15666 (record_dead_and_set_regs): Invalidate stores made by a
15667 call. We do not combine across a call, but we still
15668 relied on equivalences.
15670 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15672 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15673 vrp_int_const_binop returning non-constant nodes.
15675 2006-01-16 Paul Brook <paul@codesourcery.com>
15677 * config/m68k/m68k.c (output_move_const_into_data_reg):
15678 Output correct mnemonic for mvz and mvs.
15680 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15682 * rtl-factoring.c: Add sequence abstraction algorithm.
15683 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15684 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15686 (block_has_preserve_label): New function.
15687 * common.opt: Register new pass.
15688 * Makefile.in: Ditto.
15690 * timevar.def: Ditto.
15691 * tree-pass.h: Ditto.
15692 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15693 * rtl.h (make_jump_insn_raw): Add forward decl.
15694 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15696 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15697 Roger Sayle <roger@eyesopen.com>
15699 * fold-const.c (fold_minmax): New static function.
15700 (fold_binary) <MIN_EXPR>: Call it.
15701 <MAX_EXPR>: Likewise.
15702 * stor-layout.c (place_field): Use DECL_SIZE consistently
15703 in the computation of the new record size.
15705 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15707 * cse.c (cse_condition_code_reg): Make it static.
15708 * rtl.h: Remove the prototype for cse_condition_code_reg.
15710 * combine.c (combine_instructions): Make it static.
15711 * rtl.h: Remove the prototype for combine_instructions.
15713 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15716 * tree.c (get_file_function_name_long): Concatenate the first global
15717 object name with a string derived from the input filename of the object
15720 2006-01-16 Ben Elliston <bje@au.ibm.com>
15722 * config/i386/winnt-stubs.c: Update FSF address.
15723 * config/xtensa/ieee754-df.S: Ditto.
15724 * config/xtensa/ieee754-sf.S: Ditto.
15726 2006-01-14 Ian Lance Taylor <ian@airs.com>
15728 * ifcvt.c (noce_init_if_info): New static function, broken out of
15729 noce_process_if_block.
15730 (noce_process_if_block): Call noce_init_if_info.
15731 (check_cond_move_block): New static function.
15732 (cond_move_process_if_block): New static function.
15733 (process_if_block): Call cond_move_process_if_block.
15735 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15737 * cselib.c (hash_table): Rename to cselib_hash_table.
15738 (cselib_clear_table, discard_useless_values,
15739 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15740 cselib_init, cselib_finish): Adjust uses of hash_table.
15742 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15744 PR tree-optimization/25485
15745 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15746 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15747 is known to be false and true, respectively.
15749 2006-01-14 Richard Guenther <rguenther@suse.de>
15751 PR tree-optimization/22548
15752 PR tree-optimization/22555
15753 PR tree-optimization/22501
15754 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15755 * params.def (salias-max-array-elements): New parameter.
15756 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15757 * doc/invoke.texi (salias-max-array-elements): Document.
15758 * tree-flow-inline.h (var_can_have_subvars): We also handle
15760 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15762 * tree-ssa-structalias.c (params.h): Include.
15763 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15764 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15765 (get_constraint_for): For ADDR_EXPR operating on something
15766 containing an ARRAY_REF, add all subvars to the solution.
15767 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15768 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15769 for creating MUST_DEFs.
15770 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15772 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15774 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15776 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15777 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15778 number_of_iterations_le): New functions.
15779 (number_of_iterations_special): Removed.
15780 (number_of_iterations_exit): Do not use number_of_iterations_special.
15781 * tree.c (unsigned_type_for): Always return integer type.
15783 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15784 Richard Guenther <rguenther@suse.de>
15786 PR rtl-optimization/24257
15787 * gcse.c (find_moveable_store): Only consider a store movable
15788 when the SET_SRC of the insn can be assigned to a register.
15790 2006-01-14 Ian Lance Taylor <ian@airs.com>
15792 * tree.c (tree_not_class_check_failed): New function.
15793 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15794 (tree_not_class_check_failed): Declare.
15796 2006-01-13 Ian Lance Taylor <ian@airs.com>
15798 * reload1.c (do_output_reload): Add assertion rejecting a
15801 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15803 * combine.c (struct reg_stat): Add new fields truncation_label and
15805 (record_value_for_reg): Reset truncated_to_mode.
15806 (record_truncated_value): New function.
15807 (check_promoted_subreg): Call it. Rename to check_conversions.
15808 (combine_instructions): Rename check_promoted_subreg to
15810 (reg_truncated_to_mode): New function.
15811 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15812 (gen_lowpart_or_truncate): New function.
15813 (force_to_mode): Use it instead of gen_lowpart.
15815 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15817 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15818 VAR is a tag, not its type tag.
15820 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15822 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15823 alternatives to match style of other entries.
15824 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15826 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15828 PR tree-optimization/25771
15829 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15832 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15835 * tree-inline.c (declare_return_variable): If the return variable
15836 was marked as a non gimple complex, set the return slot variable
15837 to be a non gimple comple variable.
15839 2006-01-13 Richard Guenther <rguenther@suse.de>
15841 * builtins.c (expand_builtin_sincos): New function.
15842 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15844 (expand_builtin): Expand sincos using expand_builtin_sincos.
15846 2006-01-12 DJ Delorie <dj@redhat.com>
15848 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15849 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15850 so that constant shifts can be split.
15851 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15852 (m32c_valid_pointer_mode): Make static.
15853 (shift_gen_func_for): New.
15854 (m32c_prepare_shift): Use it. Split large const shifts into
15856 * config/m32c/predicates.md (shiftcount_operand): Allow more
15858 (longshiftcount_operand): New.
15859 * doc/md.texi (Machine Constraints): Document In6.
15861 2006-01-13 Ben Elliston <bje@au.ibm.com>
15863 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15864 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15867 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15869 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15870 to try to avoid clobbering pieces of structures when we know
15871 something about the whole structure.
15872 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15874 2006-01-13 Ben Elliston <bje@au.ibm.com>
15876 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15877 return in memory, as this is no limitation is no longer present.
15879 2006-01-12 DJ Delorie <dj@redhat.com>
15881 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15882 mova with fb, and for fb+0 -> An.
15884 * config/m32c/mov.md (peephole2): Fix enabling logic.
15886 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15887 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15888 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15889 FINI_ARRAY_SECTION_ASM_OP): Define.
15891 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15893 (m32c_legitimize_reload_address): New logic to reload FB to An.
15894 (m32c_output_reg_push): Add newline.
15895 (m32c_output_reg_pop): Likewise.
15897 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15899 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15901 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15903 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15905 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15907 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15910 2006-01-11 Ben Elliston <bje@au.ibm.com>
15912 * rtlanal.c (find_reg_note): Assert insn is not null.
15914 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15916 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15919 2006-01-11 Jeff Law <law@redhat.com>
15921 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15923 (mark_threaded_blocks, register_jump_thread): New functions.
15924 (thread_through_all_blocks): Remove unwanted argument. No
15925 longer rely on e->aux to communicate thread target info.
15926 Call mark_threaded_blocks. Release the threaded_blocks
15927 bitmap and threaded_edges vector when complete.
15928 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15929 (threaded_blocks): Remove.
15930 (tree_ssa_dominator_optimize): Remove initialization and
15931 finalization of threaded_blocks. Simplify call to
15932 thread_through_all_blocks.
15933 (thread_across_edge): Call register_jump_thread rather than
15934 storing thread information into e->aux.
15935 (free_all_edge_infos): Simplify now that e->aux is no longer
15936 used to communicate with thread_through_all_blocks.
15937 * tree-flow.h (thread_through_all_blocks): Update prototype.
15938 (register_jump_thread): Prototype.
15940 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15942 * df-core.c (df_compact_blocks, df_bb_replace): Use
15943 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15945 2006-01-11 Richard Guenther <rguenther@suse.de>
15947 PR tree-optimization/25734
15948 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15949 stop propagation after successful propagation to the LHS.
15951 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15953 * basic-block.h (control_flow_graph): Change the type of
15954 x_basic_block_info to VEC(basic_block,gc) *.
15955 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15957 (SET_BASIC_BLOCK): New.
15958 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15959 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15960 * cfgbuild.c (find_basic_blocks): Likewise.
15961 * cfglayout.c (fixup_reorder_chain): Likewise.
15962 * cfgrtl.c (create_basic_block_structure,
15963 rtl_create_basic_block): Likewise.
15964 * ifcvt.c (find_if_case_1): Likewise.
15965 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15968 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15970 * Makefile.in: Removed rotted odf.c entry.
15972 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15975 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15976 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15977 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15978 output pattern modifier, not %e.
15979 * config/cris/cris.c (cris_op_str): Update comment about pattern
15981 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15982 before falling through into...
15983 <case 'E'>: Redefined from old 'e' case.
15985 2006-01-11 Jan Hubicka <jh@suse.cz>
15988 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15990 2006-01-11 Jan Hubicka <jh@suse.cz>
15992 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15993 * i386.c (x86_decompose_lea): Kill.
15994 (ix86_rtx_costs): Kill.
15996 2006-01-11 Jan Hubicka <jh@suse.cz>
15998 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15999 * cgraph.h (cgraph_node): Add inline_decl.
16000 (cgraph_insert_node_to_hashtable): Declare.
16001 (save_inline_function_body): Declare.
16002 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16004 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16005 (cgraph_function_versioning): Update call of tree_function_versioning.
16006 (save_inline_function_body): New function.
16007 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16008 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16009 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16010 (cgraph_default_inline_p): Likewise.
16011 (cgraph_decide_inlining_incrementally): Likewise.
16012 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16013 (copy_bb): Kill saving; do updating of clones.
16014 (copy_cfg_body): Kill saving.
16015 (initialize_inlined-parameters): Likewise.
16016 (expand_call_inline): Likewise.
16018 (tree_function_versioning): New parameter "update_clones".
16019 (inlining_p): Kill saving.
16020 * tree-inline.h (tree_function_versioning): Update prototype.
16021 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16024 2006-01-11 Ian Lance Taylor <ian@airs.com>
16026 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16027 Allow undoing set of machine mode.
16028 (do_SUBST): Use enums instead of is_int.
16029 (do_SUBST_MODE): New function.
16030 (SUBST_MODE): New macro.
16031 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16032 reg and trying to replace reg_regno_rtx with a new register.
16033 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16034 (simplify_set): Use SUBST_MODE.
16035 (distribute_notes): Remove code that tried to update reg notes
16036 for regno_reg_rtx changes.
16038 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16040 PR tree-optimization/23109
16041 PR tree-optimization/23948
16042 PR tree-optimization/24123
16044 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16045 * tree-cfg.c (single_noncomplex_succ): New.
16046 * tree-flow.h (single_noncomplex_succ): Declare it.
16047 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16048 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16049 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16050 insert_bb, register_division_in, insert_reciprocals,
16051 replace_reciprocal, free_bb): New.
16052 (execute_cse_reciprocals_1): Rewritten.
16053 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16054 Do not commit any edge insertion. Always compute dominators and
16055 create the allocation pool.
16056 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16057 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16058 * targhooks.c (default_min_divistions_for_recip_mul): New.
16059 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16060 * passes.c (init_optimization_passes): Run recip after tree loop
16062 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16064 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16065 Kenneth Zadeck <zadeck@naturalbridge.com>
16067 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16068 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16069 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16070 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16071 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16072 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16073 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16074 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16075 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16076 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16077 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16078 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16079 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16080 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16081 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16082 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16083 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16084 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16085 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16086 DF_SCAN_POST_ALLOC): New macros.
16087 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16088 df_free_bb_function, df_local_compute_function, df_init_function,
16089 df_dataflow_function, df_confluence_function_0,
16090 df_confluence_function_n, df_transfer_function,
16091 df_finalizer_function, df_free_function, df_dump_problem_function,
16092 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16093 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16094 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16095 df_urec_bb_info, ) New types.
16096 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16098 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16099 df_analyze_simple_change_some_blocks,
16100 df_analyze_simple_change_one_block, df_compact_blocks,
16101 df_bb_replace, df_bb_regno_last_use_find,
16102 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16103 df_insn_regno_def_p, df_find_def, df_find_use,
16104 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16105 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16106 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16107 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16108 debug_df_chain, df_get_dependent_problem, df_chain_create,
16109 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16110 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16111 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16112 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16113 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16114 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16115 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16116 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16117 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16118 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16119 df_reorganize_refs, df_set_state, df_hard_reg_init,
16120 df_read_modify_subreg_p) New public functions.
16121 * df-core.c: The core dataflow solver and glue routines for rtl
16123 (df_init, df_add_problem, df_set_blocks, df_finish,
16124 df_hybrid_search_forward, df_hybrid_search_backward,
16125 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16126 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16127 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16128 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16129 df_reg_defined, df_find_use, df_reg_used, df_dump,
16130 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16131 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16132 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16133 debug_df_useno, reset_df_after_reload): New functions.
16134 * df-scan.c: The scanning fuctions, once in df.c, completely
16135 rewritten so that they now fully model the functionality of
16136 register usage at the backend.
16137 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16138 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16139 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16140 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16141 df_get_artificial_defs, df_get_artificial_uses,
16142 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16143 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16144 df_refs_delete, df_reorganize_refs, df_set_state,
16145 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16146 df_def_record_1, df_defs_record, df_uses_record,
16147 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16148 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16149 df_record_exit_block_uses, df_hard_reg_init): New functions.
16151 * df-problems.c: Seven concrete dataflow problems that use the
16152 scanning in df-scan.c and are solved by the engine in df-core.c.
16153 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16154 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16155 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16156 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16157 df_ru_free_bb_info, df_ru_alloc,
16158 df_ru_bb_local_compute_process_def,
16159 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16160 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16161 df_ru_transfer_function, df_ru_free, df_ru_dump,
16162 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16163 df_rd_free_bb_info, df_rd_alloc,
16164 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16165 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16166 df_rd_transfer_function, df_rd_free, df_rd_dump,
16167 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16168 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16169 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16170 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16171 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16172 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16173 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16174 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16175 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16176 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16177 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16178 df_urec_mark_reg_use_for_earlyclobber,
16179 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16180 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16181 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16182 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16183 df_chain_create_bb_process_use, df_chain_create_bb,
16184 df_chain_finalize, df_chain_free, df_chains_dump,
16185 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16186 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16187 df_reg_lifetime): New functions.
16188 * df.c: Deleted file.
16189 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16190 consistent with new df api.
16191 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16192 rest_of_handle_sms): Ditto.
16193 * web.c (unionfind_union, union_defs, entry_register, web_main):
16195 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16196 invariant_expr_equal_p, find_defs, check_dependencies,
16197 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16198 free_inv_motion_data, move_loop_invariants): Ditto.
16199 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16200 Update dependencies.
16201 (odf.c): Added defective entry that was deleted later in day.
16202 * sched-deps.c (sched_analyze_1): Ditto.
16204 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16206 * tree-ssa-operands.c (get_expr_operands): Record addressable
16207 variables directly. Do not call add_stmt_operands for CONST_DECLs
16209 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16210 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16212 2006-01-11 Ben Elliston <bje@au.ibm.com>
16214 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16215 function returns true in the positive case.
16217 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16220 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16221 for SI, DI, SF and DF modes. Add alternatives to copy between
16222 general and floating point registers to the 32-bit patterns.
16223 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16224 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16225 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16226 generating 64-bit code.
16227 * config/pa/pa.c (output_move_double): Handle copies between general
16228 and floating registers.
16230 2006-01-10 Stuart Hastings <stuart@apple.com>
16232 * config/i386/i386.md (set_got): Update.
16233 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16234 (builtin_setjmp_receiver): Mach-O support.
16235 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16236 (GOT_SYMBOL_NAME): Define.
16237 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16238 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16239 * config/i386/i386.c (override_options): Revise for Darwin.
16240 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16241 support. (darwin_x86_file_end): New. (output_set_got): Add label
16242 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16243 * config/i386/i386-protos.h (output_set_got): Likewise.
16244 * config/darwin.c (machopic_legitimize_pic_address): Update
16247 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16249 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16250 when MODE isn't BLKmode.
16252 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16254 PR rtl-optimization/25367
16255 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16257 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16260 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16261 for a negative bound.
16263 2006-01-10 Richard Guenther <rguenther@suse.de>
16265 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16266 Never override with anything constraint.
16268 2006-01-10 Jan Beulich <jbeulich@novell.com>
16270 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16271 256 bits when optimize_size.
16273 2006-01-10 Jan Beulich <jbeulich@novell.com>
16275 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16277 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16278 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16281 2006-01-10 Ben Elliston <bje@au.ibm.com>
16283 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16285 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16286 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16287 (USE_FP_FOR_ARG): Reject decimal float modes.
16288 (function_arg_advance): Likewise.
16289 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16290 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16291 point types in AltiVec vectors.
16292 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16293 (rs6000_libcall_value): Likewise.
16295 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16297 * config/xtensa/ieee754-df.S: New file.
16298 * config/xtensa/ieee754-sf.S: New file.
16299 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16300 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16301 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16303 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16305 * config/sh/predicates.md (binary_float_operator,
16306 binary_logical_operator, commutative_float_operator,
16307 equality_comparison_operator, greater_comparison_operator,
16308 less_comparison_operator, logical_operator,
16309 noncommutative_float_operator, shift_operator,
16310 symbol_ref_operand, unary_float_operator): Remove redundant
16313 2006-01-09 Jeff Law <law@redhat.com>
16315 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16316 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16317 now unused arguments. Callers updated.
16318 (eliminate_redundant_computations): Remove now unused arguments,
16320 (local_fold): Remove, no longer used.
16321 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16323 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16324 (simplify_cond): New function.
16325 (forward_propagate_into_cond): Call simplify_cond.
16327 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16329 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16330 (*vec_extractv2di_1_sse): New.
16332 2006-01-09 Ben Elliston <bje@au.ibm.com>
16334 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16336 2006-01-08 Richard Guenther <rguenther@suse.de>
16338 * tree-ssa-structalias.c (get_constraint_for): Remove
16339 anyoffset argument.
16340 (get_constraint_for_component_ref): Likewise.
16341 (do_deref): Likewise.
16342 (get_constraint_for): Likewise.
16343 (do_structure_copy): Likewise.
16344 (handle_ptr_arith): Likewise.
16345 (find_func_aliases): Likewise. Remove unused need_anyoffset
16348 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16349 Kaz Kojima <kkojima@gcc.gnu.org>
16351 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16352 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16353 (EXTRA_CONSTRAINT_C16): Remove.
16354 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16355 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16356 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16357 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16358 constants of SHmedia. Handle nested constant expressions of
16360 (andcosts): Fix the costs for SHmedia constants.
16361 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16362 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16363 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16364 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16365 (movv4hi_i, movv2si_i): Likewise.
16366 (movsi_const): Adjust the second operand of ior so to match with
16367 the Csu constraint.
16368 (movdi_const, movdi_const_32bit): Likewise.
16369 (movdi_const_16bit+1): Don't sign-extend LOW.
16370 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16372 (*double_shori): Fix the split condition. Use GEN_INT instead
16373 of get_int_mode calls. Mask lower 16-bit of the argument of
16375 (sym2GOTPLT): Remove.
16376 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16378 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16379 instead of EXTRA_CONSTRAINT_C16.
16381 2006-01-07 Ian Lance Taylor <ian@airs.com>
16382 David Edelsohn <edelsohn@gnu.org>
16384 PR rtl-optimization/25662
16385 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16386 for constant operands instead of simplify_gen_binary.
16387 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16388 after trying simplify_binary_operation
16390 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16392 * tree.c (iterative_hash_expr): Hash decls based on UID.
16394 2006-01-06 Eric Christopher <echristo@apple.com>
16396 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16397 (TARGET_UNWIND_EMIT): Fix spelling.
16398 * target.h (gcc_target): Add except_table_label.
16399 * except.c (output_function_exception_table): Use.
16400 * varasm.c (default_emit_except_table_label): New.
16401 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16403 (asm_out): Add here.
16404 * output.h (default_emit_except_table_label): Prototype.
16405 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16406 * config/darwin.c (darwin_emit_except_table_label): Define.
16407 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16409 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16411 PR tree-optimization/18527
16412 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16413 number_of_iterations_special, number_of_iterations_exit):
16414 Move base and step of an iv to a single structure. Add
16415 no_overflow flag, and use it in # of iterations analysis.
16416 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16417 folded_casts argument.
16418 (simple_iv): Pass base and step in a structure. Set no_overflow
16420 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16421 Evaluate expensiveness of computing # of iterations instead of
16422 the final expression.
16423 * tree-scalar-evolution.h (affine_iv): New structure.
16424 (simple_iv): Declaration changed.
16425 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16426 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16427 find_givs_in_stmt): Changed due to simple_iv change.
16429 2006-01-06 Jeff Law <law@redhat.com>
16432 * tree-cfg.c (bsi_replace): Rename final argument from
16433 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16434 change (stmt -> orig_stmt).
16435 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16436 (bsi_remove): Add new argument. Remove EH information
16438 (verify_eh_throw_table_statements): New function.
16439 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16441 * tree-optimize.c (execute_free_cfg_annotations): Verify
16442 the EH throw statement table after removing annotations.
16443 * except.h (verify_eh_throw_table_statements): Prototype.
16444 * tree-flow.h (bsi_remove): Update prototype.
16445 * tree-vrp.c (remove_range_assertions): Add new argument to
16447 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16448 * tree-complex.c (expand_complex_div_wide): Likewise.
16449 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16450 * tree-tailcall.c (eliminate_tailcall): Likewise.
16451 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16452 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16453 * tree-nrv.c (tree_nrv): Likewise.
16454 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16455 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16456 (combine_blocks): Likewise.
16457 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16458 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16459 (cleanup_control_flow): Likewise.
16460 (remove_forwarder_block): Likewise.
16461 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16462 * tree-sra.c (sra_replace): Likewise.
16463 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16464 (forward_propagate_single_use_vars): Likewise.
16465 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16466 * tree-inline.c (expand_call_inline): Likewise.
16467 * tree-vect-transform.c (vect_transform_loop): Likewise.
16468 * tree-outof-ssa.c (rewrite_trees): Likewise.
16469 * tree-cfg.c (make_goto_expr_edges): Likewise.
16470 (cleanup_dead_labels): Likewise.
16471 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16472 (bsi_move_before, bsi_move_after): Likewise.
16473 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16474 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16476 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16479 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16481 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16482 on non gimple variables. Also add checks at the top for decls and
16484 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16486 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16487 and IMAGPART_EXPR for creating MUST_DEFs.
16488 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16489 and NAME_MEMORY_TAG separately from the DECLs.
16491 2006-01-06 Richard Guenther <rguenther@suse.de>
16493 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16494 annotation, if necessary.
16495 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16496 redundant calls to update_stmt.
16497 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16500 2006-01-05 Richard Henderson <rth@redhat.com>
16502 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16504 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16506 * c-typeck.c: Update copyright date.
16508 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16510 * c-typeck.c (build_c_cast): Always warn when casting
16511 from a pointer to an integer of different size, even if
16512 the node was constant.
16514 2006-01-05 Richard Guenther <rguenther@suse.de>
16516 PR tree-optimization/22555
16517 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16518 if one structure field is an array.
16519 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16520 operands even if we found a subvar, but ignore VOPs in this
16522 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16524 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16526 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16528 PR middle-end/24998
16529 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16531 2006-01-05 Richard Guenther <rguenther@suse.de>
16532 Diego Novillo <dnovillo@redhat.com>
16534 * tree-pass.h (TODO_remove_unused_locals): Define.
16535 * gimple-low.c (expand_var_p, remove_useless_vars,
16536 pass_remove_useless_vars): Remove. Update all users.
16537 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16538 (remove_unused_locals): New function.
16539 * tree-flow.h (remove_unused_locals): Declare.
16540 * passes.c (execute_todo): Call remove_unused_locals if
16541 TODO_remove_unused_locals is set.
16542 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16543 * tree-ssa-dce.c (pass_dce): Likewise.
16544 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16546 2006-01-05 Richard Guenther <rguenther@suse.de>
16548 * tree-flow.h (struct fieldoff): Decompose field to
16549 type, size and decl.
16550 * tree-ssa-alias.c (create_sft): Take type as parameter.
16551 (create_overlap_variables_for): Store type, size and decl
16552 in the fieldoff structure.
16553 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16554 of struct fieldoff.
16555 (push_fields_onto_fieldstack): Likewise.
16556 (create_variable_info_for): Likewise. Use offset for the
16557 SFT name if the decl is not available.
16559 2006-01-04 Paul Brook <paul@codesourcery.com>
16561 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16563 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16565 * lambda-code.c (can_put_in_inner_loop): Relax
16567 (can_put_after_inner_loop): New function.
16568 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16569 (perfect_nestify): Change to make copies and modify uses.
16571 2006-01-04 Richard Henderson <rth@redhat.com>
16573 Merge from gomp branch:
16574 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16575 via integer constant.
16576 (pragma_lex): Remove.
16577 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16578 rather than parsing it.
16579 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16580 handle_pragma_extern_prefix): Add %< %> quotes.
16581 (registered_pragmas): New.
16582 (c_register_pragma_1): New.
16583 (c_register_pragma): Use it.
16584 (c_register_pragma_with_expansion): Likewise.
16585 (c_invoke_pragma_handler): New.
16586 (init_pragma): Use cpp_register_deferred_pragma directly for
16588 * c-pragma.h (enum pragma_kind): New.
16589 (pragma_handler): New.
16590 (c_invoke_pragma_handler): Declare.
16591 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16593 * c-common.h (c_common_pch_pragma): Update decl.
16594 * Makefile.in (c-parser.o): Update dependencies.
16595 (GTFILES): Add c-pragma.h.
16596 * c-parser.c (struct c_token): Add pragma_kind.
16597 (struct c_parser): Add in_pragma.
16598 (c_lex_one_token): Always initialize keyword and pragma_kind.
16599 Extract data for CPP_PRAGMA.
16600 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16601 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16602 Don't allow CPP_PRAGMA_EOL if in_pragma.
16603 (c_parser_consume_pragma): New.
16604 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16605 (c_parser_skip_to_end_of_parameter): Likewise.
16606 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16607 (c_parser_skip_to_pragma_eol): New.
16608 (c_parser_external_declaration): Handle CPP_PRAGMA.
16609 (c_parser_compound_statement_nostart): Likewise.
16610 (c_parser_statement_after_labels): Likewise.
16611 (c_parser_pragma): New.
16612 (pragma_lex): Likewise.
16613 (c_parser_pragma_pch_preprocess): New.
16614 (c_parser_new): Merge into ...
16615 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16617 2006-01-04 Jeff Law <law@redhat.com>
16620 * tree-cfg.c (bsi_replace): Remove the original statement
16621 from the EH throw statement table.
16623 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16625 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16626 make the prototype extern "C" and add throw ().
16629 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16630 and pos non-negative and pos + len <= 32.
16631 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16632 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16633 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16636 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16637 as well as sizes not multiple of component size.
16640 * function.c (instantiate_expr): New function.
16641 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16642 walk its DECL_VALUE_EXPR with instantiate_expr.
16644 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16645 DW_OP_deref{,_size} if address isn't going to be added.
16647 2006-01-04 Ben Elliston <bje@au.ibm.com>
16649 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16650 * config/fp-bit.c: Likewise.
16652 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16654 * dominance.c: Add comment about why we use DFS numbering
16657 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16658 Richard Henderson <rth@redhat.com>
16660 Merge from gomp-branch:
16661 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16662 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16664 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16666 PR rtl-optimization/25578
16667 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16668 pass a parameter to simplify_shift_const if changing ASHIFTRT
16671 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16673 * builtins.c (get_builtin_sync_mem): New function.
16674 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16675 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16676 Call get_builtin_sync_mem to generate mem rtx.
16678 2006-01-03 Richard Guenther <rguenther@suse.de>
16681 * stmt.c (add_case_node): Make sure to clear overflow flags
16684 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16686 Merge from gomp-branch.
16687 * config/sparc/sync.md: New file.
16688 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16689 UNSPECV_LDSTUB): New constants.
16690 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16691 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16692 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16695 2006-01-03 Roger Sayle <roger@eyesopen.com>
16697 * combine.c (reg_subword_p): New predicate to test whether the
16698 destination of a set refers to a subword/piece of a register.
16699 (try_combine): Generalize the code to merge the setting of a
16700 pseudo to a constant followed by a set of a subword of that
16701 register to a constant.
16703 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16705 * basic-block.h (control_flow_graph): Change the type of
16706 x_label_to_block_map to VEC(basic_block,gc) *.
16707 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16708 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16710 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16711 VEC(basic_block,heap) *.
16712 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16713 ssa_prop_fini): Adjust the uses of cfg_blocks.
16715 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16717 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16719 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16720 hashing trees instead of a pointer hash.
16721 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16722 compare for MEM_EXPR.
16724 PR rtl-optimization/25130
16725 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16726 when comparing MEMs for GCSE
16728 2006-01-03 Ben Elliston <bje@au.ibm.com>
16730 * targhooks.h (default_decimal_float_supported_p): Declare.
16731 * targhooks.c (default_decimal_float_supported_p): Define.
16732 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16733 `default_decimal_float_supported_p'.
16734 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16736 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16738 * combine.c (apply_distributive_law <SUBREG>): Check
16739 TRULY_NOOP_TRUNCATION.
16741 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16743 * dwarf2out.c (have_switched_text_section): Delete.
16744 (have_multiple_function_sections): New.
16745 (have_location_lists): Make 'bool'.
16746 (add_AT_loc_list): Use 'true' not '1'.
16747 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16748 (output_loc_list): Use have_multiple_function_sections.
16749 (output_ranges): Likewise.
16750 (dwarf2out_begin_function): Set have_multiple_function_sections if
16752 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16753 Check function_section rather than DECL_SECTION_NAME.
16754 (dwarf2out_finish): Use have_multiple_function_sections.
16755 Don't clear have_location_lists.
16757 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16758 Jan Hubicka <jh@suse.cz>
16760 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16761 case of conditional jump jumping to the next instruction.
16762 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16763 cases of conditional jump jumping to the next instruction.
16765 2006-01-02 Jan Hubicka <jh@suse.cz>
16767 * i386.c (*_cost): Add COSTS_N_INSNS.
16768 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16770 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16773 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16775 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16777 * config/arm/arm.c (all_fpus): Fix comment typo.
16778 * config/darwin.c: Likewise.
16779 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16780 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16781 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16783 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16785 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16786 (rs6000_split_compare_and_swapqhi): New.
16787 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16788 (sync_compare_and_swapqhi_internal): New.
16789 * config/rs6000/rs6000-protos.h: Declare.