1 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
7 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
11 (fold_builtin_pow): Evaluate constant arguments at compile-time
13 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
14 (do_mpfr_ckconv): New helper function.
15 (do_mpfr_arg1): Use do_mpfr_ckconv.
18 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
21 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
22 (-fdump-rtl-sched): Rename to ..
23 (-fdump-rtl-sched1): here. Also fix file extension number.
25 2006-10-28 Richard Guenther <rguenther@suse.de>
27 * fold-const.c (maybe_canonicalize_comparison): Fix code
30 2006-10-28 Uros Bizjak <uros@kss-loka.si>
32 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
33 (NON_QI_REG_P): Use IN_RANGE.
34 (REX_INT_REGNO_P): Use IN_RANGE.
35 (FP_REGNO_P): Use IN_RANGE.
36 (SSE_REGNO_P): Use IN_RANGE.
37 (REX_SSE_REGNO_P): Use IN_RANGE.
38 (MMX_REGNO_P): Use IN_RANGE.
39 (STACK_REGNO_P): New macro.
40 (STACK_REG_P): Use STACK_REGNO_P.
41 (NON_STACK_REG_P): Use STACK_REGNO_P.
42 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
43 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
44 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
45 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
46 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
48 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
50 * except.h (output_function_exception_table): Add 'const char*' param.
51 * except.c (switch_to_exception_section): Add 'const char*' param.
52 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
53 and flag_function_sections is set, use a function-specific section.
54 (output_function_exception_table): Add 'const char*' param.
55 Adjust call to switch_to_exception_section.
56 * final.c (rest_of_handle_final): Adjust calls to
57 output_function_exception_table.
58 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
59 * config.in: Regenerate.
60 * configure: Likewise.
62 2006-10-28 Richard Guenther <rguenther@suse.de>
65 * fold-const.c (maybe_canonicalize_comparison_1): Helper
66 for maybe_canonicalize_comparison.
67 (maybe_canonicalize_comparison): New function for canonicalizing
69 (fold_comparison): Call it to canonicalize comparisons with
72 2006-10-28 Richard Guenther <rguenther@suse.de>
75 * builtins.c (expand_builtin_int_roundingfn_2): Expand
76 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
77 (expand_builtin): Adjust likewise.
78 * genopinit.c (optabs[]): Add lround optab.
79 * optabs.c (init_optabs): Initialize lround_optab.
80 * optabs.h (enum convert_optab_index): Add COI_lround.
81 (lround_optab): Define.
82 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
83 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
85 (ix86_expand_lround): New function.
86 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
88 * doc/md.texi (lroundMN2): Document.
90 2006-10-28 Uros Bizjak <uros@kss-loka.si>
93 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
94 argument to HOST_WIDE_INT. Update function prototype.
95 (round_frame_size): Change return type to HOST_WIDE_INT. Change
96 "size" argument to HOST_WIDE_INT. Update function prototype.
98 2006-10-28 Uros Bizjak <uros@kss-loka.si>
100 * config/i386/i386.c (output_387_ffreep): Create output from a
101 template string for !HAVE_AS_IX86_FFREEP.
103 2006-10-27 Eric Christopher <echristo@apple.com>
105 * config/darwin.c: Fix formatting and grammar.
107 2006-10-27 Jan Hubicka <jh@suse.cz>
109 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
110 to be thrown away soon when IGNORE is set.
111 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
112 indicating when return value shall not be computed.
113 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
115 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
117 * config/i386/i386.h (TARGET_GEODE):
118 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
119 (TARGET_CPU_DEFAULT_geode): New macro.
120 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
121 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
122 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
123 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
124 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
126 (TARGET_CPU_DEFAULT_NAMES): Add geode.
127 (processor_type): Add PROCESSOR_GEODE.
129 * config/i386/i386.md: Include geode.md.
132 * config/i386/i386.c (geode_cost): New initialized global
134 (m_GEODE, m_K6_GEODE): New macros.
135 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
136 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
137 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
138 x86_schedule): Use m_K6_GEODE instead of m_K6.
139 (x86_movx, x86_cmove): Set up m_GEODE.
140 (x86_integer_DFmode_moves): Clear m_GEODE.
141 (processor_target_table): Add entry for geode.
142 (processor_alias_table): Ditto.
144 * config/i386/geode.md: New file.
146 * doc/invoke.texi: Add entry about geode processor.
148 2006-10-27 Mike Stump <mrs@apple.com>
150 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
151 __DYNAMIC__ from here back to ...
152 * config/darwin.h (CPP_SPEC): ... here.
154 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
155 Nathan Sidwell <nathan@codesourcery.com>
157 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
158 when choosing the minimum heapsize.
160 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
162 * gcc/unwind-dw2.h: Move cfa-related variables into
163 struct frame_state_reg_info to ensure that the CFA is properly
164 handled when executing DW_CFA_{remember,restore}_state.
165 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
166 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
167 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
168 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
169 gcc/config/rs6000/linux-unwind.h,
170 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
171 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
172 Modify to use new cfa_* fields.
174 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
176 * config/s390/s390.c (s390_init_frame_layout): Check positive
179 2006-10-26 Ben Elliston <bje@au.ibm.com>
181 * gimplify.c (get_name): Remove extraneous break.
182 (gimplify_omp_for): Initialise ret with GS_OK.
184 2006-10-25 Steve Ellcey <sje@cup.hp.com>
186 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
187 Add unix98.o to link line.
189 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
192 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
193 Calculate compile-time constants using MPFR.
194 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
195 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
197 2006-10-25 Bob Wilson <bob.wilson@acm.org>
199 * config/xtensa/lib2funcs.S: Use C-style comments.
201 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
203 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
204 (file_table_relative_p): Likewise.
205 (dwarf2out_finish): Likewise.
206 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
208 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
210 * tree-ssa-structalias.c (intra_create_variable_infos):
211 Don't recreate nonlocal_all if it already exists.
213 2006-10-25 Richard Guenther <rguenther@suse.de>
216 * optabs.h (enum optab_index): Remove OTI_lrint.
217 (enum convert_optab_index): Add COI_lrint.
218 (lrint_optab): Adjust.
219 (expand_sfix_optab): Declare.
220 * optabs.c (expand_sfix_optab): New function.
221 (init_optabs): Init lrint_optab as conversion optab.
222 * genopinit.c (lrint_optab): Change to a conversion optab.
223 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
224 expansion via conversion optab.
225 * config/i386/i386.md (*fistdi2_1): Remove
226 flag_unsafe_math_optimizations guard.
227 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
228 fist<mode>2_with_temp): Likewise.
229 (lrint<mode>2): Split into...
230 (lrintxf<mode>2): ... x87 part
231 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
232 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
233 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
234 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
235 * doc/md.texi (lrintMN2): Document.
237 2006-10-25 Uros Bizjak <uros@kss-loka.si>
240 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
241 Use inc and dec instructions for TARGET_USE_INCDEC.
242 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
243 ("sync_double_compare_and_swap<mode>"): Likewise.
244 ("*sync_double_compare_and_swapdi_pic"): Likewise.
245 ("*sync_compare_and_swap_cc<mode>"): Likewise.
246 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
247 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
248 ("sync_old_add<mode>"): Likewise.
249 ("sync_lock_test_and_set<mode>"): Likewise.
250 ("sync_lock_test_and_set<mode>"): Likewise.
251 ("sync_add<mode>"): Likewise.
252 ("sync_sub<mode>"): Likewise.
253 ("sync_ior<mode>"): Likewise.
254 ("sync_and<mode>"): Likewise.
255 ("sync_xor<mode>"): Likewise.
257 2006-10-25 Uros Bizjak <uros@kss-loka.si>
259 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
260 (remainder_optab): Define corresponding macro.
261 (drem_optab): Remove.
262 * optabs.c (init_optabs): Initialize remainder_optab. Remove
263 drem_optab initialization.
264 * genopinit.c (optabs): Implement remainder_optab using
265 remainder?f3 patterns. Remove drem_optab.
266 * builtins.c (expand_builtin_mathfn_2): Handle
267 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
268 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
269 expand_builtin_mathfn_2.
271 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
272 depend on flag_unsafe_math_optimizations.
274 * config/i386/i386.md ("remaindersf3", "remainderdf3")
275 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
276 Do not depend on flag_unsafe_math_optimizations. Use
277 truncxf?f expander instead of truncxf?f_i387_noop.
279 ("fpremxf4", "fprem1xf4"): Do not depend on
280 flag_unsafe_math_optimizations.
281 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
282 flag_unsafe_math_optimizations. Use truncxf?f expander
283 instead of truncxf?f_i387_noop.
285 * doc/md.texi (fmod, remainder): Document standard named pattern.
287 2006-10-24 Richard Sandiford <richard@codesourcery.com>
288 David Daney <ddaney@avtrex.com>
291 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
293 2006-10-25 Ben Elliston <bje@au.ibm.com>
295 * doc/extend.texi (Variable Attributes): Typo fix.
297 2006-10-24 Uros Bizjak <uros@kss-loka.si>
299 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
300 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
301 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
302 (FRAME_POINTER_REGNUM): Update register number to 21.
303 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
304 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
306 * config/i386/i386.c (regclass_map): Add fpcr entry.
307 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
309 (print_reg): Assert REGNO (x) != FPCR_REG.
311 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
312 (DIRFLAG_REG): Renumber.
313 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
314 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
315 (sse_prologue_save, *sse_prologue_save_insn): Renumber
316 hardcoded SSE register numbers.
318 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
319 hardcoded MMX register numbers.
321 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
324 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
325 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
327 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
328 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
329 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
330 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
332 2006-10-24 Richard Guenther <rguenther@suse.de>
335 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
336 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
337 for deciding optimizations in consistency with fold-const.c
338 (fold_builtin_unordered_cmp): Likewise.
340 2006-10-24 Richard Guenther <rguenther@suse.de>
342 * builtins.c (fold_builtin_floor): Fold floor (x) where
343 x is nonnegative to trunc (x).
344 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
345 nonnegative to FIX_TRUNC_EXPR.
347 2006-10-24 Richard Guenther <rguenther@suse.de>
349 PR tree-optimization/29567
350 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
351 for TRUTH_NOT_EXPR. Clarify comments.
353 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
356 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
357 at compile-time using MPFR. Change parameter VALUE to FUNC,
359 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
360 for overflow and underflow at all times and avoid folding in
363 2006-10-24 Ben Elliston <bje@au.ibm.com>
365 * reload1.c: Formatting fixes.
367 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
369 PR tree-optimization/14784
370 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
371 * tree-ssa-structalias.c (get_constraint_for,
372 intra_create_variable_infos): Set is_heapvar.
373 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
374 non-heapvar pointer variables specially.
376 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
379 * builtins.c (fold_builtin_sin, fold_builtin_cos,
380 fold_builtin_tan): Fold all constant arguments. Take a "type"
381 argument as necessary.
383 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
385 2006-10-23 Bob Wilson <bob.wilson@acm.org>
387 * config/xtensa/lib1funcs.asm: Use C-style comments.
389 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
391 * tree.c (local_define_builtin): Replace calls to
392 lang_hooks.builtin_function with add_builtin_function.
393 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
395 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
397 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
398 common code to add_builtin_function.
399 * langhooks.c (add_builtin_function): New function.
400 (lhd_builtin_function): New function.
401 * langhooks.h (struct lang_hooks): Change the signature of
403 (add_builtin_function): New function.
404 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
405 calls to lang_hooks.builtin_function with add_builtin_function.
406 * c-common.c (decl_builtin_1): Replace calls to
407 lang_hooks.builtin_function with add_builtin_function.
408 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
409 lang_hooks.builtin_function with add_builtin_function.
410 * config/frv/frv.c (def_builtin): Replace calls to
411 lang_hooks.builtin_function with add_builtin_function.
412 * config/s390/s390.c (s390_init_builtins): Replace calls to
413 lang_hooks.builtin_function with add_builtin_function.
414 * config/sparc/sparc.c (def_builtin): Replace calls to
415 lang_hooks.builtin_function with add_builtin_function.
416 * config/i386/i386.c (def_builtin): Replace calls to
417 lang_hooks.builtin_function with add_builtin_function.
418 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
419 lang_hooks.builtin_function with add_builtin_function.
420 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
421 lang_hooks.builtin_function with add_builtin_function.
422 * config/stormy16/stormy16.c (xstormy16_init_builtins):
423 Replace calls to lang_hooks.builtin_function with
424 add_builtin_function.
425 * config/iq2000/iq2000.c (def_builtin):
426 Replace calls to lang_hooks.builtin_function with
427 add_builtin_function.
428 * config/ia64/ia64.c (def_builtin): Replace calls to
429 lang_hooks.builtin_function with add_builtin_function.
430 * config/rs6000/rs6000.c (def_builtin): Replace calls to
431 lang_hooks.builtin_function with add_builtin_function.
432 (altivec_init_builtins): Replace calls to
433 lang_hooks.builtin_function with add_builtin_function.
434 * config/arm/arm.c (def_mbuiltin): Replace calls to
435 lang_hooks.builtin_function with add_builtin_function.
436 (arm_init_tls_builtins): Replace calls to
437 lang_hooks.builtin_function with add_builtin_function.
438 * config/mips/mips.c (mips_init_builtins): Replace calls to
439 lang_hooks.builtin_function with add_builtin_function.
440 * config/bfin/bfin.c (def_builtin): Replace calls to
441 lang_hooks.builtin_function with add_builtin_function.
442 * langhooks-def.h (lhd_builtin_function): New function.
443 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
445 2006-10-23 Jakub Jelinek <jakub@redhat.com>
447 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
448 BUILT_IN_STRNCAT_CHK.
450 2006-10-23 Jan Hubicka <jh@suse.cz>
452 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
453 don't do conversion from memmove to memcpy here.
454 (expand_builtin_bcopy, expand_builtin): Update call of
455 expand_builtin_memmove.
456 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
458 2006-10-23 Paul Brook <paul@codesourcery.com>
460 * stor-layout.c (start_record_layout): maximum_field_alignment
461 overrides STRUCTURE_SIZE_BOUNDARY.
463 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
465 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
466 nonlocal function symbols if flag_pic.
468 2006-10-23 Richard Guenther <rguenther@suse.de>
472 * builtins.c (fold_binary): Remove checks for flag_wrapv
473 and flag_trapv where negate_expr_p covers these cases.
475 2006-10-23 Richard Guenther <rguenther@suse.de>
478 * fold-const.c (fold_plusminus_mult_expr): Check exact power
479 of two on the absolute value.
480 (fold_binary): Fold x * -C to -x * C if x is easily negatable
481 and negating -C does not overflow.
483 2006-10-23 Richard Guenther <rguenther@suse.de>
486 * convert.c (convert_to_real): Fold (float)-x to -(float)x
487 only if not flag_rounding_math.
489 2006-10-22 Richard Sandiford <richard@codesourcery.com>
490 Kaz Kojima <kkojima@gcc.gnu.org>
493 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
494 SImode memory reference for the source of a movua.
495 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
496 (movua): Use an unspec instead of sign_extract. Expect the source
497 to have mode BLKmode.
498 (extv, insv): Use a BLKmode rather than SImode memory reference
499 for the source of a movua.
501 2006-10-22 Jeff Law <law@redhat.com>
502 Richard Guenther <rguenther@suse.de>
504 PR tree-optimization/15911
505 * tree-vrp.c (extract_code_and_val_from_cond): New function.
506 (register_edge_assert_for_1): Likewise.
507 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
508 (find_conditional_asserts): Adjust for new function signature.
509 (find_assert_locations): Likewise.
511 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
513 * config/i386/tmmintrin.h: Remove the duplicated content.
515 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
517 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
518 (x86_64-*-*): Likewise.
520 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
521 (override_options): Check SSSE3.
522 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
523 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
524 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
525 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
526 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
527 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
528 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
529 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
530 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
531 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
532 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
533 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
534 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
535 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
536 IX86_BUILTIN_PABSD128.
537 (bdesc_2arg): Add SSSE3.
538 (bdesc_1arg): Likewise.
539 (ix86_init_mmx_sse_builtins): Support SSSE3.
540 (ix86_expand_builtin): Likewise.
541 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
543 * config/i386/i386.md (UNSPEC_PSHUFB): New.
544 (UNSPEC_PSIGN): Likewise.
545 (UNSPEC_PALIGNR): Likewise.
546 Include mmx.md before sse.md.
548 * config/i386/i386.opt: Add -mssse3.
550 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
551 (ssse3_phaddwv4hi3): Likewise.
552 (ssse3_phadddv4si3): Likewise.
553 (ssse3_phadddv2si3): Likewise.
554 (ssse3_phaddswv8hi3): Likewise.
555 (ssse3_phaddswv4hi3): Likewise.
556 (ssse3_phsubwv8hi3): Likewise.
557 (ssse3_phsubwv4hi3): Likewise.
558 (ssse3_phsubdv4si3): Likewise.
559 (ssse3_phsubdv2si3): Likewise.
560 (ssse3_phsubswv8hi3): Likewise.
561 (ssse3_phsubswv4hi3): Likewise.
562 (ssse3_pmaddubswv8hi3): Likewise.
563 (ssse3_pmaddubswv4hi3): Likewise.
564 (ssse3_pmulhrswv8hi3): Likewise.
565 (ssse3_pmulhrswv4hi3): Likewise.
566 (ssse3_pshufbv16qi3): Likewise.
567 (ssse3_pshufbv8qi3): Likewise.
568 (ssse3_psign<mode>3): Likewise.
569 (ssse3_psign<mode>3): Likewise.
570 (ssse3_palignrti): Likewise.
571 (ssse3_palignrdi): Likewise.
572 (abs<mode>2): Likewise.
573 (abs<mode>2): Likewise.
575 * config/i386/tmmintrin.h: New file.
577 * doc/extend.texi: Document SSSE3 built-in functions.
579 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
581 2006-10-22 Ira Rosen <irar@il.ibm.com>
583 * tree-vect-transform.c (vectorizable_load): Use the type of the
584 return value of the mask_for_load builtin to create realign_load
587 2006-10-22 Richard Sandiford <richard@codesourcery.com>
589 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
592 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
594 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
595 (UNSPEC_LDDQU): This.
596 * config/i386/sse.md (sse3_lddqu): Updated.
598 2006-10-21 Richard Guenther <rguenther@suse.de>
600 * builtins.c (expand_builtin_int_roundingfn_2): New function.
601 (expand_builtin): Use it to expand lrint instead of
602 expand_builtin_mathfn.
604 2006-10-21 Uros Bizjak <uros@kss-loka.si>
607 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
608 flag_unsafe_math_optimizations is set.
610 2006-10-21 Uros Bizjak <uros@kss-loka.si>
613 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
614 patterns to use memory input operand in x87->mem->XMM
615 reload sequences. Skip transformation for TARGET_K8.
617 2006-10-21 Uros Bizjak <uros@kss-loka.si>
619 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
620 force operand1 to register if both operands are memory operands.
621 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
622 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
623 if both operands are memory operands.
624 (truncdfsf2): Do not force operand1 to register if both operands
627 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
629 * Makefile.in (LIBS): Add $(GMPLIBS).
630 * doc/install.texi: Update GMP and MPFR requirements.
631 * doc/sourcebuild.texi (need_gmp): Delete.
633 2006-10-21 Richard Guenther <rguenther@suse.de>
635 PR tree-optimization/3511
636 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
637 got new invariant arguments during PHI translation.
639 2006-10-21 Richard Guenther <rguenther@suse.de>
642 * fold-const.c (fold_comparison): Fold signed comparisons
643 of the form X +- C1 CMP Y +- C2.
645 2006-10-21 Richard Guenther <rguenther@suse.de>
648 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
649 if flag_unsafe_math_optimizations is specified. We have
650 flag_finite_math_only for that.
651 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
652 or flag_unsafe_math_optimizations.
654 2006-10-21 Richard Guenther <rguenther@suse.de>
656 * builtins.c (fold_builtin_classify): Fix typo.
658 2006-10-21 Richard Guenther <rguenther@suse.de>
661 * simplify-rtx.c (simplify_const_relational_operation):
662 Do not constant-fold ORDERED and UNORDERED for
663 flag_unsafe_math_optimizations but only we do not need to
664 honor NaNs for the given mode.
666 2006-10-21 Richard Guenther <rguenther@suse.de>
669 * config/i386/i386.c (classify_argument): Remove redundant
670 walking of the BINFOs.
671 (contains_128bit_aligned_vector_p): Likewise.
673 2006-10-20 Mark Mitchell <mark@codesourcery.com>
675 * BASE-VER: Set to 4.3.0.
677 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
679 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
680 (tree_decl_with_vis): Remove artificial_pta_var flag.
681 * tree-flow.h (referenced_var_check_and_insert): Expose.
682 (nonlocal_all): New prototype.
683 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
684 (nonlocal_all): Make global.
685 (nonlocal_lookup): Remove.
686 (nonlocal_insert): Ditto.
687 (create_nonlocal_var): Do not call nonlocal_insert.
688 (get_nonlocal_id_for_type): Remove.
689 (find_global_initializers): Mark new vars we find for renaming.
690 (intra_create_variable_infos): Only create one nonlocal.
691 (expand_nonlocal_solutions): Remove.
692 (compute_points_to_sets): Don't call it.
693 (ipa_pta_execute): Ditto.
694 (init_alias_heapvars): Don't create nonlocal_for_type.
695 (delete_alias_heapvars): Don't remove it.
696 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
699 2006-10-19 Brooks Moses <bmoses@stanford.edu>
701 * doc/install.texi (Downloading GCC): Clarify mention of
702 Fortran in the "full distribution" description.
704 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
706 Fix PR tree-optimization/28778
707 Fix PR tree-optimization/29156
708 Fix PR tree-optimization/29415
709 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
710 (tree_decl_with_vis): Add artificial_pta_var flag.
711 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
713 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
714 (nonlocal_all): Ditto.
715 (struct variable_info): Add directly_dereferenced member.
716 (var_escaped_vars): New variable.
717 (escaped_vars_tree): Ditto.
718 (escaped_vars_id): Ditto.
719 (nonlocal_vars_id): Ditto.
720 (new_var_info): Set directly_dereferenced.
721 (graph_size): New variable
722 (build_constraint_graph): Use graph_size.
723 (solve_graph): Don't process constraints that cannot change the
724 solution, don't try to propagate an empty solution to our
726 (process_constraint): Set directly_dereferenced.
727 (could_have_pointers): New function.
728 (get_constraint_for_component_ref): Don't process STRING_CST.
729 (nonlocal_lookup): New function.
730 (nonlocal_insert): Ditto.
731 (create_nonlocal_var): Ditto.
732 (get_nonlocal_id_for_type): Ditto.
733 (get_constraint_for): Allow results vector to be empty in the case
735 Handle results of calls properly.
736 (update_alias_info): Update alias info stats on number and type of
738 (find_func_aliases): Use could_have_pointers.
739 (make_constraint_from_escaped): Renamed from
740 make_constraint_to_anything, and changed to make constraints from
742 (make_constraint_to_escaped): New function.
743 (find_global_initializers): Ditto.
744 (create_variable_info_for): Make constraint from escaped to any
745 global variable, and from any global variable to the set of
747 (intra_create_variable_infos): Deal with escaped instead of
748 pointing to anything.
749 (set_uids_in_ptset): Do type pruning on directly dereferenced
751 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
752 (init_base_vars): Fix comment, and initialize escaped_vars.
753 (need_to_solve): Removed.
754 (find_escape_constraints): New function.
755 (expand_nonlocal_solutions): Ditto.
756 (compute_points_to_sets): Call find_escape_constraints and
757 expand_nonlocal_solutions.
758 (delete_points_to_sets): Don't fall off the end of the graph.
759 (init_alias_heapvars): Initialize nonlocal_for_type and
761 (delete_alias_heapvars): Free nonlocal_for_type and null out
764 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
766 * fold-const.c (add_double): Rename to add_double_with_sign.
767 Add 'unsigned_p' parameter and take it into account for the overflow.
768 (mul_double): Rename to mul_double_with_sign.
769 Add 'unsigned_p' parameter and take it into account for the overflow.
770 (fold_div_compare): Call add_double_with_sign instead of add_double
771 and mul_double_with_sign instead of mul_double, passing them the
772 unsignedness of the type.
773 * tree.h (add_double): Macroize.
774 (add_double_with_sign): New prototype.
775 (mul_double): Macroize.
776 (mul_double_with_sign): New prototype.
778 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
780 * config/score/crti.asm: New file.
781 * config/score/crtn.asm: New file.
782 * config/score/elf.h: New file.
783 * config/score/mac.md: New file.
784 * config/score/misc.md: New file.
785 * config/score/mul-div.S: New file.
786 * config/score/predicates.md: New file.
787 * config/score/score7.md: New file.
788 * config/score/score.c: New file.
789 * config/score/score-conv.h: New file.
790 * config/score/score.h: New file.
791 * config/score/score.md: New file.
792 * config/score/score-mdaux.c: New file.
793 * config/score/score-mdaux.h: New file.
794 * config/score/score-modes.def: New file.
795 * config/score/score.opt: New file.
796 * config/score/score-protos.h: New file.
797 * config/score/score-version.h: New file.
798 * config/score/t-score-elf: New file.
799 * config.gcc: Add score*-*-* configurations(Update before).
800 * doc/invoke.texi (Score Options): New section.
801 * doc/md.texi (Score family): New section to document constraints.
803 2006-10-19 Nick Clifton <nickc@redhat.com>
805 * config/arm/arm.c: Fix spelling typo.
807 2006-10-18 Tom Tromey <tromey@redhat.com>
809 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
811 2006-10-18 Jan Hubicka <jh@suse.cz>
814 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
817 2006-10-18 Marcin Dalecki <martin@dalecki.de>
819 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
820 TSI_SAME_STMT, since that's the desired entity.
822 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
824 * config/s390/contraints.md: New file.
825 * config/s390/s390-protos.h (s390_mem_constraint,
826 s390_O_constraint_str, s390_N_constraint_str,
827 s390_float_const_zero_p): Function prototypes added.
828 * config/s390/s390.c (s390_extra_constraint_str,
829 s390_const_double_ok_for_constraint_p,
830 s390_const_ok_for_constraint_p): Functions removed.
831 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
832 s390_float_const_zero_p): New functions.
833 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
834 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
835 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
836 Macro definitions removed.
837 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
838 s390_extra_constraint_str): Functions removed.
840 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
841 Richard Sandiford <richard@codesourcery.com>
844 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
845 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
847 2006-10-16 Geoffrey Keating <geoffk@apple.com>
849 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
850 (DWARF2_FRAME_REG_OUT): Likewise.
851 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
852 (DWARF2_FRAME_REG_OUT): Likewise.
854 2006-10-17 Paul Brook <paul@codesourcery.com>
856 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
858 2006-10-16 Brooks Moses <bmoses@stanford.edu>
860 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
861 Standardize on "GNU Fortran" as the official name of the Fortran
864 2006-10-16 Mike Stump <mrs@apple.com>
866 * doc/invoke.texi (Darwin Options): Document -mkernel.
867 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
869 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
870 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
871 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
872 (OS_MISSING_ALTIVEC): Add.
873 * config/i386/i386.c (override_options): Add
874 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
875 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
876 -mkernel, -static or -mdynamic-no-pic is given.
877 (C_COMMON_OVERRIDE_OPTIONS): Add.
878 * config/darwin.opt (fapple-kext): Add.
880 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
881 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
883 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
884 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
885 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
886 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
887 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
889 (flag_apple_kext): Add.
890 (TARGET_KEXTABI): Add.
891 * config/darwin.c (darwin_handle_kext_attribute): Add.
892 (DARWIN_VTABLE_P): Add.
893 (darwin_binds_local_p): Add partial support for rebinding vtables
895 (darwin_kextabi_p): Add.
896 (darwin_override_options): Add.
897 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
898 (darwin_kextabi_p): Add.
899 (darwin_override_options): Add.
900 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
901 __DYNAMIC__ and __STATIC__ here.
903 2006-10-16 Brooks Moses <bmoses@stanford.edu>
905 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
906 Added mention of "make pdf" target, and Texinfo requirements for
909 2006-10-16 DJ Delorie <dj@redhat.com>
911 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
912 into the GOT in case we need a subreg of the address.
914 2006-10-16 Richard Guenther <rguenther@suse.de>
917 * doc/extend.texi (X86 Built-in Functions): Fix typos in
918 SSE builtin documentation. Document SSE2 builtins.
920 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
922 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
923 symbol in the output file for non-shared links when -nostdlib or
924 -nodefaultlibs isn't specified.
926 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
927 posix thread support.
929 2006-10-15 Jan Hubicka <jh@suse.cz>
932 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
933 declared always_inline even when not inlining.
935 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
936 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
937 Andrew Pinski <pinskia@gmail.com>
940 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
942 2006-10-15 Jan Hubicka <jh@suse.cz>
943 Richard Guenther <rguenther@suse.de>
946 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
947 process_function_and_variable_attributes on all variables, including
948 those discovered during cgraph construction phase.
950 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
952 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
954 2006-10-14 Uros Bizjak <uros@kss-loka.si>
956 * config/i386/athlon.md (athlon_fist): Add fisttp.
958 2006-10-13 David Edelsohn <edelsohn@gnu.org>
959 Ian Lance Taylor <ian@airs.com>
962 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
963 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
966 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
968 * config/score/score.c, config/score/score.h: Fix comment
971 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
974 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
977 2006-10-13 Eric Christopher <echristo@apple.com>
979 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
981 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
984 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
985 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
986 alignment supported by 32-bit ELF.
988 2006-10-13 Eric Christopher <echristo@apple.com>
990 * config/darwin.c (darwin_emit_unwind_label): Strip
991 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
993 2006-10-13 Richard Guenther <rguenther@suse.de>
995 PR tree-optimization/29446
996 * tree-vrp.c (fix_equivalence_set): Remove.
997 (extract_range_from_assert): Do not call fix_equivalence_set.
998 (debug_value_range): Print a newline.
999 (compare_name_with_value): For equivalence sets with
1000 inconsistent value ranges conservatively bail out.
1001 (compare_names): Likewise.
1003 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1005 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1006 and MPFR for gfortran.
1008 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1010 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1011 alignment supported by 32-bit ELF.
1013 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1017 * c-typeck.c (digest_init): Always allow initializing vectors
1018 that have static storage duration with compound literals.
1019 * tree.c (build_type_attribute_qual_variant): New, based on
1020 build_type_attribute_variant.
1021 (build_type_attribute_variant): Rewrite using the former.
1022 (make_vector_type): Use build_type_attribute_qual_variant to build
1023 type variants. Use type_hash_canon on the others.
1025 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1026 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1028 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1030 2006-10-12 Jan Hubicka <jh@suse.cz>
1033 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1034 current_function_decl is set but current_function_scope is not.
1036 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1038 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1039 emit_insn to emit eh_return_internal instruction.
1040 (eh_return_internal): Explicitly set pc.
1042 2006-10-11 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/28230
1045 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1046 to the correct place.
1048 2006-10-11 Richard Guenther <rguenther@suse.de>
1051 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1054 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1056 * configure.ac: Added pdf to "Make-hooks"
1057 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1058 targets and *.pdf file patterns in cleanup targets.
1059 * configure: Regenerated.
1061 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1063 * config/avr/predicates.md: New file.
1064 * config/avr/avr.md: Include it.
1065 (REG_SP): New constant.
1066 (peepholes): Use predicates.
1067 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1068 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1069 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1071 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1073 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1076 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1079 * builtins.c (var_decl_component_p): New function.
1080 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1081 single entry optimization to variables and components thereof.
1083 2006-10-10 Richard Guenther <rguenther@suse.de>
1085 PR rtl-optimization/29323
1086 * except.c (set_nothrow_function_flags): For functions
1087 that do not bind local bail out early.
1089 2006-10-10 Ben Elliston <bje@au.ibm.com>
1091 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1094 2006-10-09 Richard Henderson <rth@redhat.com>
1096 Revert emutls patch.
1098 2006-10-09 Richard Guenther <rguenther@suse.de>
1101 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1104 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1107 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1108 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1109 * configure: Regenerate.
1110 * config.in: Regenerate.
1112 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1114 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1116 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1118 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1119 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1120 Remove stray newline.
1122 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1124 * config/mips/mips.c (mips_classify_symbol): Do not return
1125 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1126 (mips_in_small_data_p): Tweak comments.
1128 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1130 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1132 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1134 * gimplify.c, sched-int.h: Fix comment typos.
1136 * sched-int.h: Fix comment typos.
1138 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1140 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1142 * sched-ebb.c (begin_schedule_ready): Use them.
1143 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1144 add_to_speculative_block, create_check_block_twin, speculate_insn,
1145 fix_jump_move, move_block_after_check): Ditto.
1146 * sched-rgn.c (new_ready): Ditto.
1148 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1150 PR rtl-optimization/29128
1151 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1152 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1153 allow interblock movement of speculation checks.
1155 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1158 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1159 casted to integer type.
1160 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1161 if they are significantly more expensive than [reg + index] ones.
1163 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1165 PR tree-optimization/29330
1166 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1167 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1168 on newly allocated ddrs.
1169 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1170 to VEC (loop_p, heap) pointer.
1171 (compute_data_dependences_for_loop): Adjust caller.
1172 (free_dependence_relations): Free DDR_LOOP_NEST.
1174 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1175 free DEPENDENCE_RELATIONS and DATAREFS.
1178 * builtins.c (expand_builtin_sync_operation,
1179 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1180 Use convert_to_mode to handle promoted arguments.
1182 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1184 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1186 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1188 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1190 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1192 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1193 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1194 Use <modeconstraint> instead of "r" as operand 1 constraint.
1196 2006-10-06 Olivier Hainque <hainque@adacore.com>
1198 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1199 Don't recurse on the pointed-to type.
1200 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1201 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1202 types with components of variable size.
1204 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1206 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1208 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1210 PR tree-optimization/29290
1211 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1215 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1216 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1219 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1220 the number of vector elements fill the rest with zeros.
1222 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1224 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1225 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1228 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1230 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1231 unnamed pattern into subsi3. Use correct constraints/predicates.
1232 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1233 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1235 2006-10-05 Ira Rosen <irar@il.ibm.com>
1237 * doc/loop.texi: Add data references analysis description.
1239 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1241 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1243 2006-10-04 Richard Henderson <rth@redhat.com>
1244 Jakub Jelinek <jakub@redhat.com>
1246 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1247 * builtin-types.def (BT_WORD): Make unsigned.
1248 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1249 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1250 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1251 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1252 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1253 * cgraph.c (decide_is_variable_needed): Look at force_output.
1254 Recurse for emulated tls.
1255 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1256 checks redundant with decide_is_variable_needed.
1257 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1258 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1260 * expr.c (emutls_var_address): New.
1261 (expand_expr_real_1): Expand emulated tls.
1262 (expand_expr_addr_expr_1): Likewise.
1263 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1264 * output.h (emutls_finish): Declare.
1265 * toplev.c (compile_file): Call it.
1266 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1267 address before wrapping in CONST.
1268 * varasm.c (emutls_htab, emutls_object_type): New.
1269 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1270 (get_emutls_object_name, get_emutls_object_type): New.
1271 (get_emutls_init_templ_addr, emutls_decl): New.
1272 (emutls_common_1, emutls_finish): New.
1273 (assemble_variable): When emulating tls, swap decls; generate
1274 constructor for the emutls objects.
1275 (do_assemble_alias): When emulating tls, swap decl and target name.
1276 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1278 * emutls.c: New file.
1279 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1280 tls_object for real tls.
1282 2006-10-04 Zack Weinberg <zackw@panix.com>
1284 Fix bug in constraint-check generator, reported by Rask Ingemann
1286 * genpreds.c (add_constraint): Don't remove anything from the
1288 (write_tm_constrs_h): Detect whether "op" argument is used, and
1289 mark it ARG_UNUSED if it isn't.
1290 (write_insn_const_int_ok_for_constraint): Skip the part of the
1291 expression that would test whether "op" (which is not available
1292 here) is a CONST_INT.
1294 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1297 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1299 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1301 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1302 current Leopard versions.
1303 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1305 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1307 * doc/install.texi: Fix typos.
1309 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1311 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1312 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1313 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1315 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1317 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1318 arg to be struct mach_header_64* instead.
1320 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1323 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1324 side effects after the outer expression's post side effects.
1326 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1328 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1329 comments to reflect actual behavior and relationship between
1330 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1332 * doc/c-tree.texi (Working with declarations): Fix documentation
1333 of FIELD_DECL likewise.
1335 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1338 * doc/extend.texi: Add used variable attribute description.
1340 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1343 * c.opt (Woverride-init): New.
1344 * c-opts.c (c_common_post_options): Default warn_override_init to
1346 * c-typeck.c (add_pending_init, output_init_element): Warn for
1347 overriding initializers without side effects.
1348 * doc/invoke.texi (-Woverride-init): Document.
1351 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1353 PR rtl-optimization/28096
1354 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1355 assignment has already been used as a destination earlier in the block.
1357 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1359 * builtins.c (expand_builtin_setjmp): Delete.
1360 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1361 <BUILT_IN_SETJMP_SETUP>: New case.
1362 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1363 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1364 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1365 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1366 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1367 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1368 (lower_function_body): Initialize it to false. If it is set to true
1369 at the end of the processing, emit the setjmp dispatcher.
1370 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1371 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1372 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1373 on the rhs of the assignment.
1374 (lower_builtin_setjmp): New function.
1375 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1376 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1377 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1378 to detect calls that can go to non-local labels. Use specific
1379 helper to create the abnormal edges associated with them.
1380 <MODIFY_EXPR>: Likewise.
1381 (make_abnormal_goto_edges): New function extracted from...
1382 (make_goto_expr_edges): ...here. Call it for computed gotos.
1383 (simple_goto_p): Minor tweak.
1384 (tree_can_make_abnormal_goto): New predicate.
1385 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1386 (tree_purge_dead_abnormal_call_edges): New function.
1387 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1388 (tree_purge_dead_abnormal_call_edges): Likewise.
1389 (make_abnormal_goto_edges): Likewise.
1390 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1391 Purge all dead abnormal edges if the call was in the last statement.
1392 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1393 (execute_fixup_cfg): If there are non-local labels in the function,
1394 scan the basic blocks and split them at calls that can go to non-local
1395 labels or add missing abnormal call edges. Write down the CFG in the
1397 (pass_fixup_cfg): Remove TODO_dump_func flag.
1398 * unwind-sjlj.c: Poison setjmp.
1399 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1400 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1401 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1402 (DONT_USE_BUILTIN_SETJMP): Document it.
1404 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1407 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1408 to 1 when __ppc64__ is defined.
1409 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1411 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1413 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1415 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1416 * config/ia64/unwind-hpux.c: Delete.
1418 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1420 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1421 on the element before gimplifying it, instead of punting if it is of
1424 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1426 * doc/loop.texi: New file.
1427 * doc/gccint.texi: Reference loop.texi.
1428 * Makefile.in (loop.texi): Add.
1430 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1432 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1434 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1435 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1437 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1439 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1441 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1443 * doc/install.texi: Document required versions of GMP and MPFR.
1445 2006-09-27 Paul Brook <paul@codesourcery.com>
1448 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1450 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1452 * reload1.c (alter_reg): Require the alignment of the stack slot to
1453 be at least reg_max_ref_width bytes.
1454 (scan_paradoxical_subregs): Record the largest width in
1457 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1461 * tree-nested.c (struct nesting_info): Added static_chain_added.
1462 (convert_call_expr): Set static_chain_added when adding static
1463 chain. Handle OMP_PARALLEL and OMP_SECTION.
1465 2006-09-25 Matthias Klose <doko@debian.org>
1467 * doc/invoke.texi: Add missing full stop.
1469 2006-09-25 Richard Henderson <rth@redhat.com>
1471 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1472 before cgraph_function_flags_ready.
1474 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1475 Adam Nemet <anemet@caviumnetworks.com>
1477 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1478 determine_common_wider_type): New functions.
1479 (get_computation_aff): Use them to simplify arithmetic between
1480 UBASE and CBASE if they are shortened from the same type.
1482 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1485 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1486 -2147483647 - 1 instead of 0x80000000.
1488 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1490 * flags.h (HONOR_NANS): Fix typo in comment.
1492 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1494 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1496 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1500 * tree.c (merge_attributes, attribute_list_contained): If both
1501 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1503 * c-typeck.c (comptypes_internal): Don't consider aggregates
1504 in different TUs as compatible if there one set of attributes is
1505 not a subset of the other type's attributes.
1506 (composite_type): Try harder not to create a new aggregate type.
1508 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1510 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1511 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1512 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1513 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1514 than replicating condition above.
1515 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1517 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1518 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1519 the linker by default.
1521 2006-09-22 Mike Stump <mrs@apple.com>
1523 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1526 2006-09-22 Richard Guenther <rguenther@suse.de>
1529 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1530 sort of stack variables stable.
1532 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1535 * explow.c (force_reg): Set REG_POINTER flag according to
1538 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1540 PR tree-optimization/28888
1541 * tree-if-conv.c (combine_blocks): Rewritten.
1542 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1543 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1545 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1547 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1550 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1552 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1554 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1556 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1558 2006-09-21 Roger Sayle <roger@eyesopen.com>
1561 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1562 dw_fde_current_label, to be the start of the function, i.e. the same
1563 value as dw_fde_begin.
1565 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1567 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1568 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1569 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1570 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1571 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1572 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1573 (abs<mode>2, neg<mode>2): Likewise.
1574 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1575 (*mips_abs_ps): New define_insn.
1577 2006-09-20 Josh Conner <jconner@apple.com>
1580 * calls.c (expand_call): Allow reuse of structure return stack
1583 2006-09-20 Paul Brook <paul@codesourcery.com>
1585 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1588 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1590 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1591 clean up terminology.
1593 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1596 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1597 with tablejumps in them.
1599 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1602 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1603 wrap it into TARGET_EXPR.
1605 2006-09-20 Eric Christopher <echristo@apple.com>
1607 * config/i386/i386.c (x86_fisttp): Remove.
1608 * config/i386/i386.h (x86_fisttp): Ditto.
1609 (TARGET_FISTTP): Ditto.
1611 2006-09-19 Eric Christopher <echristo@apple.com>
1613 * doc/tm.texi (OBJC_JBLEN): Describe.
1614 * config/i386/darwin.h (OBJC_JBLEN): Define.
1615 * config/rs6000/darwin.h: Ditto.
1617 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1619 PR rtl-optimization/21299
1620 * reload1.c (reload): Purge invalid ASMs in the final pass.
1622 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1625 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1626 pointers as legitimate constants.
1628 2006-09-19 Paul Brook <paul@codesourcery.com>
1631 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1633 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1635 PR tree-optimization/28887
1636 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1637 component parts from the reference.
1638 (gather_memory_references_ref): Record the reference without the
1639 nonaddressable component parts.
1641 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1644 * c-opts.c (c_common_handle_option): Ignore the -std options
1645 if the input language is assembly.
1647 2006-09-17 Ira Rosen <irar@il.ibm.com>
1650 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1652 (ptr_ptr_may_alias_p): Likewise.
1653 (record_record_differ_p): New function.
1654 (base_object_differ_p): Call record_record_differ_p.
1656 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1659 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1660 away for the expr argument.
1662 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1665 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1666 before using it for dumping after vectorizing loops.
1668 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1669 Jack Howarth <howarth@bromo.med.uc.edu>
1672 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1673 skip on error_mark_node.
1674 (rs6000_darwin64_record_arg_recurse): Likewise.
1676 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1678 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1679 * doc/rtl.texi: Remove related documentation.
1681 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1683 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1686 2006-09-15 Jim Wilson <wilson@specifix.com>
1688 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1689 Handle symbol offsets same as they are handled in ia64_expand_move
1692 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1694 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1695 Add forgotten parameter to the fprintf call.
1697 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1699 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1701 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1703 * doc/contrib.texi: Add my entry.
1705 2006-09-15 Nick Clifton <nickc@redhat.com>
1707 * doc/md.texi (Processor pipeline description): Fix typo in
1708 example of how to use the absence_set directive and reword the
1709 description to make it slightly easier to read.
1711 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1713 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1714 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1715 expanding the number of iterations.
1716 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1718 * cfgrtl.c (emit_insn_at_entry): New function.
1719 * rtl.h (emit_insn_at_entry): Declare it.
1720 * integrate.c (emit_initial_value_sets): Use it.
1722 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1724 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1726 (struct loop_work and related VEC declarations): Delete.
1727 (bfin_dump_loops): Print out new member bad.
1728 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1729 (bfin_scan_loop): Don't recurse.
1730 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1731 loops. No longer need to update outer loops if the current one is
1732 found bad. Move some validitiy checks to bfin_discover_loop.
1733 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1734 but changed not to check for nesting. Also changed to use the new bad
1736 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1737 time. Use bitmap based test to discover loop nesting.
1739 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1741 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1744 2006-09-14 Richard Guenther <rguenther@suse.de>
1745 Kazu Hirata <kazu@codesourcery.com>
1747 PR middle-end/28884.
1748 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1749 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1750 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1751 with TARGET_FUNCTION_VALUE.
1753 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1756 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1758 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1760 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1763 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1766 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1769 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1771 * basic_block.h (bb_has_eh_pred): Fix comment.
1773 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1775 * flow.c (calculate_global_regs_live): Invalidate eh registers
1776 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1777 (propagate_block): Handle eh registers as if they were set at basic
1779 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1781 * global.c (global_conflicts): Make eh registers to conflict with
1782 pseudos live at basic block begin.
1783 * basic_block.h (bb_has_eh_pred): New function.
1785 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1787 PR rtl-optimization/28982
1788 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1789 index of a PRE_MODIFY or POST_MODIFY address.
1790 * reload1.c (inc_for_reload): Use find_replacement on the original
1791 base and index registers.
1793 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1795 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1796 for -Os. Update __m128 alignment requirement.
1798 2006-09-13 Jan Hubicka <jh@suse.cz>
1800 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1802 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1804 PR rtl-optimization/28243
1805 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1806 the insn to which the note was originally attached.
1808 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1809 Roger Sayle <roger@eyesopen.com>
1811 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1812 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1813 on platforms that don't use dwarf for debug info.
1815 2006-09-12 Jason Merrill <jason@redhat.com>
1818 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1819 hard_frame_pointer_rtx after using it to update the frame pointer.
1821 2006-09-12 Roger Sayle <roger@eyesopen.com>
1823 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1824 (TARGET_ASM_CLOSE_PAREN): Likewise.
1825 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1826 (TARGET_ASM_CLOSE_PAREN): Likewise.
1828 2006-09-12 Roger Sayle <roger@eyesopen.com>
1831 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1832 frame information for frames larger than 512 Kbytes on Tru64 when
1833 using the native assembler.
1835 2006-09-12 Roger Sayle <roger@eyesopen.com>
1839 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1840 and symbols. Instead use the implementation from cse.c's hash_rtx.
1842 2006-09-12 Jan Hubicka <jh@suse.cz>
1844 PR rtl-optimization/28071
1845 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1846 (vect_transform_loop): Likewise.
1847 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1848 (new_loop_vec_info): Likewise.
1849 (destroy_loop_vec_info): Likewise.
1850 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1851 (create_stmt_ann): Likewise.
1852 (create_tree_ann): Rename to ...
1853 (create_tree_common_ann): ... this one; allocate only the common part
1855 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1856 (get_value_handle): Likewise.
1857 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1858 get_tree_common_ann.
1859 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1860 (vinfo_for_stmt): Use stmt annotations.
1861 * tree-flow.h (tree_ann_common_t): New type.
1862 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1863 (tree_ann, get_tree_ann, create_tree_ann): New.
1864 * tree-flow-inline.h (get_function_ann): Do more type checking.
1865 (stmt_ann): Likewise.
1866 (tree_ann): Rename to ...
1867 (tree_common_ann): ... this one; return ony common_ann
1868 (get_tree_ann): Rename to ...
1869 (tree_common_ann): This one; return only common_ann.
1870 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1873 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1875 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1876 with_cpu by default.
1878 * dwarf2out.c (dwarf_file_data): New.
1879 (enum dw_val_class): Add dw_val_class_file.
1880 (struct dw_val_struct): Add val_file.
1881 (file_table): Change to a hash table.
1882 (file_table_emitted): Delete.
1883 (file_table_last_lookup_index): Delete.
1884 (emitcount): Delete.
1885 (last_emitted_file): New.
1886 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1887 (init_file_table): Delete.
1888 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1889 (AT_addr): Add comment.
1893 (print_die): Handle dw_val_class_file.
1894 (print_dwarf_line_table): Update for new file table structure.
1895 (attr_checksum): Do checksum a filename.
1896 (same_dw_val_p, same_attr_p): Do compare a filename.
1897 (size_of_die): Handle dw_val_class_file.
1898 (value_format): Likewise.
1899 (output_die): Likewise. Also, call maybe_emit_file here.
1900 (struct file_info): Constify filenames. Make file_idx a pointer
1901 to a struct dwarf_file_data.
1902 (struct dir_info): Constify directory names. Remove 'used' field.
1903 (struct file_name_acquire_data): New.
1904 (file_name_acquire): New.
1905 (output_file_names): Modify to handle new file data structures.
1906 (add_src_coords_attributes): Use add_AT_file.
1907 (add_call_src_coords_attributes): Likewise.
1908 (dwarf2out_imported_module_or_decl): Likewise.
1909 (gen_subprogram_die): Modify for new file data structures.
1910 (gen_variable_die): Likewise.
1911 (file_table_eq): New.
1912 (file_table_hash): New.
1913 (file_table_last_lookup): New.
1914 (lookup_filename): Rewrite to handle new file data structures.
1915 (maybe_emit_file): Rewrite to handle new file data structures.
1916 (dwarf2out_source_line): Always call lookup_filename and
1918 (dwarf2out_init): Create file_table here.
1919 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1920 (file_table_relative_p): New.
1921 (dwarf2out_finish): Change detection of relative filenames
1922 to work with new file data structures. Move output_line_info call
1923 after debug_info output.
1925 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1930 * config/i386/i386.c (override_options): Always default to 16
1931 byte stack boundary.
1933 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1936 * var-tracking.c (dump_dataflow_set): Start dumping at
1938 (clobber_variable_part): Kill only the variable part in
1939 registers holding it, leaving other variables alone.
1941 2006-09-11 Josh Triplett <josh@freedesktop.org>
1943 * doc/extend.texi (Other Builtins): Actually use the macro
1944 argument in the documentation example for
1945 __builtin_types_compatible_p.
1947 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1949 PR rtl-optimization/28726
1950 * sched-deps.c (sched_analyze_reg): New function extracted from...
1951 (sched_analyze_1): ...here. Call it to analyze references to
1952 registers. Treat again writes to a stack register as writing to the
1954 (sched_analyze_2): ...and here. Call it to analyze references to
1955 registers. Treat again reads of a stack register as reading the
1958 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1959 David Edelsohn <edelsohn@gnu.org>
1962 * config/rs6000/spe.md (frob_df_di): Remove %H.
1963 (frob_di_df): Remove %H. Change evmergelo to mr.
1964 (frob_di_df_2): Remove %H. Change evldd to two loads.
1966 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1968 * doc/cpp.texi: Fix names of charset options.
1970 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1973 * config/i386/i386.c (override_options): Use 128-bit
1974 stack boundary always for 64bits.
1976 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1978 PR rtl-optimization/28636
1979 * combine.c (force_to_mode): Test for side-effects before
1980 substituting by zero.
1981 (simplify_shift_const): Likewise for zero or other constants.
1983 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1986 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1989 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1992 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1993 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1994 returned by mode_for_size, rather than the mode of src itself,
1995 to choose between 32-bit and 64-bit patterns.
1996 (mips_mem_fits_mode_p): New function.
1997 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1998 that the size of the source matches the size of the destination.
1999 (mov_<store>l, mov_<store>r): Likewise.
2001 2006-09-10 Eric Christopher <echristo@apple.com>
2003 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2006 2006-09-09 Eric Christopher <echristo@apple.com>
2009 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2012 2006-09-09 Roger Sayle <roger@eyesopen.com>
2013 Nicolas Setton <setton@adacore.com>
2015 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2017 2006-09-10 Andreas Schwab <schwab@suse.de>
2019 * config/m68k/m68k.md (bungt_rev): New pattern.
2021 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2022 Dale Johannesen <dalej@apple.com>
2025 * regclass.c (struct reg_pref): Update documentation.
2026 (regclass): Set prefclass to NO_REGS if memory is the best option.
2027 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2029 2006-09-08 Eric Christopher <echristo@apple.com>
2031 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2032 * config/t-slibgcc-darwin: Support x86_64 multilib.
2033 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2034 Return 1 for x86_64-darwin.
2035 * config/i386/t-darwin: Add m64 multilib.
2036 (LIB2_SIDITI_CONV_FUNCS): Use.
2037 (LIB2FUNCS_EXTRA): Ditto.
2038 * config/i386/darwin.h: Support x86_64.
2039 * config/i386/i386.c (override_options): Turn on flag_pic
2040 for x86_64-darwin. Disable flag_omit_pointer.
2041 (get_pc_thunk_name): Assert !TARGET_64BIT.
2042 (legitimate_address_p): Disable machopic addressing for
2044 (legitimize_pic_address): Ditto.
2045 (ix86_expand_move): Ditto.
2046 (ix86_expand_call): Ditto.
2047 (machopic_output_stub): Ditto.
2048 * config/darwin.c (machopic_select_section): Support literal16.
2049 (machopic_select_rtx_section): Ditto.
2050 * config/darwin-sections.def: Ditto.
2051 * config/darwin-64.c: New.
2053 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2056 * c-tree.h (struct c_arg_info): Add pending_sizes.
2057 * c-parser.c (c_parser_parms_declarator,
2058 c_parser_parms_list_declarator): Initialize pending_sizes.
2059 * c-decl.c (get_parm_info): Initialize pending_sizes.
2060 (get_parm_info): Set pending_sizes.
2061 (grokdeclarator): Call put_pending_sizes for parameters for
2062 function definition only.
2064 2006-09-07 Jason Merrill <jason@redhat.com>
2067 * varasm.c (output_constant): Only strip actual no-op conversions.
2070 * config/i386/i386.c (override_options): Use 128-bit
2071 stack boundary if -msse.
2073 2006-09-07 Eric Christopher <echristo@apple.com>
2075 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2077 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2080 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2082 * dwarf2out.c: Remove strange characters from comment above
2083 dwarf2out_frame_debug_expr.
2085 2006-09-07 Eric Christopher <echristo@apple.com>
2087 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2088 * config/darwin.h: ... to here.
2090 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2092 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2094 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2095 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2097 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2098 TARGET_PARTIAL_FLAG_REG_STALL.
2099 (*ashldi3_cconly_rex64): Likewise.
2100 (*ashlsi3_cmp): Likewise.
2101 (*ashlsi3_cconly): Likewise.
2102 (*ashlsi3_cmp_zext): Likewise.
2103 (*ashlhi3_cmp): Likewise.
2104 (*ashlhi3_cconly): Likewise.
2105 (*ashlqi3_cmp): Likewise.
2106 (*ashlqi3_cconly): Likewise.
2107 (*ashrdi3_cmp_rex64): Likewise.
2108 (*ashrdi3_cconly_rex64): Likewise.
2109 (*ashrsi3_cmp): Likewise.
2110 (*ashrsi3_cconly): Likewise.
2111 (*ashrsi3_cmp_zext): Likewise.
2112 (*ashrhi3_cmp): Likewise.
2113 (*ashrhi3_cconly): Likewise.
2114 (*ashrqi3_cmp): Likewise.
2115 (*ashrqi3_cconly): Likewise.
2116 (*lshrdi3_cmp_rex64): Likewise.
2117 (*lshrdi3_cconly_rex64): Likewise.
2118 (*lshrsi3_cmp): Likewise.
2119 (*lshrsi3_cconly): Likewise.
2120 (*lshrsi3_cmp_zext): Likewise.
2121 (*lshrhi3_cmp): Likewise.
2122 (*lshrhi3_cconly): Likewise.
2123 (*lshrqi2_cmp): Likewise.
2124 (*lshrqi2_cconly): Likewise.
2126 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2129 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2130 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2131 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2132 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2133 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2134 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2135 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2136 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2137 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2138 implement only CC setting effects of shift instructions.
2140 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2142 * doc/contrib.texi: Add myself.
2144 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2147 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2148 was set by the user.
2150 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2153 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2154 (divsi_inv_m1): Use them.
2155 (UNSPEC_DIV_INV_TABLE): New constant.
2157 2006-09-06 James E Wilson <wilson@specifix.com>
2160 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2161 then call count_or_remove_death_notes.
2163 2006-09-06 Jason Merrill <jason@redhat.com>
2166 * tree-inline.c (copy_result_decl_to_var): New fn.
2167 (declare_return_variable): Use it. Call declare_inline_vars here.
2168 (expand_call_inline): Not here.
2170 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2172 * doc/contrib.texi: Update my entry.
2174 2006-09-06 Nick Clifton <nickc@redhat.com>
2176 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2178 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2181 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2182 (canonicalize_induction_variables): Likewise.
2183 (tree_unroll_loops_completely): Likewise.
2184 (tree_ssa_prefetch_arrays): Likewise.
2185 (remove_empty_loops): Likewise.
2186 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2187 TODO_cleanup_cfg instead of directly calling
2188 cleanup_tree_cfg_loop.
2189 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2191 (tree_unroll_loops_completely): Likewise.
2192 (remove_empty_loops): Likewise.
2193 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2194 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2195 of tree_ssa_unswitch_loops.
2196 (tree_ssa_loop_ivcanon): Use the return value of
2197 canonicalize_induction_variables.
2198 (tree_ssa_empty_loop): Use the return value of
2200 (tree_complete_unroll): Use the return value of
2201 tree_unroll_loops_completely.
2202 (tree_ssa_loop_prefetch): Use the return value of
2203 tree_ssa_prefetch_arrays.
2204 * passes.c (execute_todo): Before Cleanup CFG, set
2205 updating_used_alone and after cleanup CFG, call
2206 recalculate_used_alone.
2208 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2211 * tree-vect-transform.c (vectorizable_condition): Move the check
2212 for the type after the check for simple condition.
2214 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2215 Kaz Kojima <kkojima@gcc.gnu.org>
2218 * mode-switching.c (optimize_mode_switching): Make the destination
2219 block of an abnormal edge have no anticipatable mode. Don't
2220 insert mode switching code at the end of the source block of
2223 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2225 PR rtl-optimization/26847
2226 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2227 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2228 (simplify_plus_minus): Count n_constants while filling ops. Replace
2229 qsort with insertion sort. Before going through the array to simplify
2230 pairs, sort it. Delay early exit until after the first sort, exiting
2231 only if no swaps occurred. Simplify pairs in reversed order, without
2232 special-casing the first iteration. Pack ops after simplifying pairs.
2234 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2236 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2237 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2238 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2239 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2241 2006-09-05 Richard Guenther <rguenther@suse.de>
2243 PR tree-optimization/28900
2244 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2245 compound conditional before creating COND_EXPR condition.
2247 2006-09-05 Richard Guenther <rguenther@suse.de>
2249 PR tree-optimization/28905
2250 * tree-vrp.c (fix_equivalence_set): Manually implement
2251 !value_ranges_intersect_p to also handle symbolic ranges.
2253 2006-09-05 Richard Guenther <rguenther@suse.de>
2256 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2259 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2261 PR rtl-optimization/27616
2262 * cse.c (table_size): New static variable.
2263 (new_basic_block): Initialize it to 0.
2264 (remove_from_table): Decrement it.
2265 (insert): Increment it.
2266 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2267 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2268 fold_rtx_mem_1 if under the cap.
2269 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2270 the lookup of the equivalent expression and test for equality of the
2271 first operand of the equivalent expression before in turn looking up
2272 an equivalent constant for the second operand.
2274 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2277 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2278 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2279 pointer, instead of assuming it is possible to derive the
2280 correct args size from a call insn.
2282 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2285 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2286 (fold_builtin_mempcpy): Rename to...
2287 (fold_builtin_memory_op): ... this. Optimize one element copy
2289 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2291 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2292 (expand_builtin_memcpy, expand_builtin_mempcpy,
2293 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2294 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2295 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2296 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2298 2006-09-01 DJ Delorie <dj@redhat.com>
2300 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2301 (stzx_16): Likewise.
2302 ("stzx_24_<mode>"): Likewise.
2303 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2304 ("cmp<mode>_op"): New.
2305 (cmp<mode>): Change to expander; just save operands.
2307 (b<code>): Change to expander, emit compare here.
2308 (s<code>_op): Change to use split and expander.
2309 (s<code>_24_op): Likewise.
2310 (s<code>_<mode>): New.
2311 (s<code>_<mode>_24): New.
2312 (movqicc_<code>_<mode): New.
2313 (movhicc_<code>_<mode>): New.
2316 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2317 (m32c_pend_compare): New.
2318 (m32c_unpend_compare): New.
2319 (m32c_expand_scc): New.
2320 (m32c_expand_movcc): Emit the compare also.
2321 * config/m32c/predicates.md (mra_nopp_operand): New.
2323 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2324 Richard Guenther <rguenther@suse.de>
2325 Adam Nemet <anemet@caviumnetworks.com>
2328 * builtins.c (get_pointer_alignment): Handle more forms
2329 of base addresses that can be used to derive more precise
2330 information about alignment.
2332 2006-09-01 Jason Merrill <jason@redhat.com>
2335 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2338 * gimplify.c (voidify_wrapper_expr): Handle null type.
2340 2006-09-01 Josh Conner <jconner@apple.com>
2343 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2344 (execute_return_slot_opt): Use it.
2346 2006-08-31 Josh Conner <jconner@apple.com>
2349 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2350 returning aggregates.
2352 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2354 PR tree-optimization/28839
2355 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2356 blocks in that phi arguments appear.
2358 2006-08-31 Roger Sayle <roger@eyesopen.com>
2361 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2362 NULL, otherwise use an advance_loc4 to adjust relative to the
2364 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2365 (dwarf2out_switch_text_section): Reset the current label to avoid
2366 using advance_loc4 over section boundaries.
2368 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2371 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2372 r12 + SYMBOLIC_CONST.
2374 2006-08-30 Richard Guenther <rguenther@suse.de>
2376 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2378 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2380 PR rtl-optimization/27735
2381 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2382 Add new argument to keep track of whether an irreducible region
2383 was affected. All callers changed.
2384 (fix_irreducible_loops): Removed.
2385 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2386 flags were invalidated.
2388 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2390 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2391 instead of SF operands.
2392 (*fop_df_comm_sse): Likewise.
2393 (*fop_df_comm_i387): Likewise.
2394 (*fop_df_1_mixed): Likewise.
2395 (*fop_df_1_sse): Likewise.
2397 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2398 J"orn Rennecke <joern.rennecke@st.com>
2400 PR tree-optimization/17506
2401 * tree-ssa.c (warn_uninit): If warning about a location outside of
2402 the current function, note where the variable was declared.
2404 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2406 PR tree-optimization/28411
2407 * double-int.c (double_int_div): Use double_int_divmod.
2408 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2409 double_int_mod, double_int_smod, double_int_umod): New functions.
2410 * double-int.h (double_int_divmod, double_int_sdivmod,
2411 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2413 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2415 (get_computation_aff, get_computation_cost_at): Handle double_int
2416 return type of constant_multiple_of.
2418 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2421 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2422 an implicit conversion.
2424 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2426 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2428 2006-08-27 Roger Sayle <roger@eyesopen.com>
2430 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2433 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2435 * config/i386/crtfastmath.c: Fix a comment typo.
2437 2006-08-26 Roger Sayle <roger@eyesopen.com>
2439 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2440 temporary visit flags on CASE_LABEL_EXPRs.
2441 * c-common.c (match_case_to_enum): Add function comment. Avoid
2442 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2443 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2444 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2445 a constant, only warn if that constant value isn't handled.
2447 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2450 * input.h (restore_input_file_stack): Declare.
2451 (INPUT_FILE_STACK_BITS): Define.
2452 * toplev.c (fs_p, input_file_stack_history,
2453 input_file_stack_restored, restore_input_file_stack): New.
2454 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2455 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2456 (pop_srcloc): Don't free old state of stack.
2458 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2461 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2462 (PowerPC Type Attributes): New.
2464 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2466 * config/xtensa/xtensa.c (function_arg_boundary): New.
2467 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2469 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2470 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2472 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2475 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2478 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2480 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2481 (verify_local_live_at_start): Likewise.
2483 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2486 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2487 omp_add_variable): Treat sizes as variable whenever not
2490 2006-08-26 Richard Guenther <rguenther@suse.de>
2493 * fold-const.c (fold_binary): Fold temporary to correct
2494 type before constructing new comparison.
2496 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2499 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2500 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2502 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2505 * c-decl.c (start_function): Don't try to process prototype
2506 information from old declaration that isn't a function.
2508 2006-08-25 Jan Hubicka <jh@suse.cz>
2511 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2513 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2516 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2519 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2521 PR tree-optimization/16876
2522 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2523 exit if PARM doesn't match VALUE.
2525 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2527 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2528 literal_prefix directive.
2529 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2530 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2531 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2533 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2536 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2537 predicate to general_operand. Add 0->y and I->r alternatives.
2539 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2541 * doc/tm.texi: Fix a typo.
2542 * predict.c: Fix comment typos.
2544 2006-08-25 Nick Clifton <nickc@redhat.com>
2546 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2547 assertions of "cpu" and "machine".
2549 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2552 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2553 the access through a base which has an alias set of 0 cannot
2556 2006-08-24 Bill Wendling <wendling@apple.com>
2558 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2560 2006-08-24 Jan Hubicka <jh@suse.cz>
2562 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2564 2006-08-24 Jan Hubicka <jh@suse.cz>
2567 * cgraph.c: Fix comments.
2568 (cgraph_varpool_mark_needed_node): Mark only variables not already
2570 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2571 (cgraph_varpool_assembled_nodes_queue): New static variable.
2572 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2573 (cgraph_varpool_output_debug_info): New function.
2574 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2575 * Makefile.in: Add gt-cgraphunit.h
2577 2006-08-24 Jan Hubicka <jh@suse.cz>
2579 * predict.c (probability_reliable_p): New predicate.
2580 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2581 (predict_loops): Do not predict loop exit with less than 2%
2583 * basic-block.h (edge_probability_reliable_p,
2584 br_prob_note_reliable_p): Declare.
2585 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2586 prediction when static predictor is not reliable.
2587 * rs6000.c (output_cbranch): Likewise.
2589 2006-08-23 Stuart Hastings <stuart@apple.com>
2592 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2593 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2595 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2598 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2599 complex values, nor for generic vector values.
2601 2006-08-22 Richard Guenther <rguenther@suse.de>
2604 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2605 parameter. Convert arguments to arithmetic expression to the
2607 (analyze_scalar_evolution_1): Adjust caller.
2609 2006-08-22 Jan Hubicka <jh@suse.cz>
2611 Patch by Paolo Bonzini
2612 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2615 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2617 PR tree-optimization/28003
2618 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2619 before grouping aliases.
2621 2006-08-22 Roger Sayle <roger@eyesopen.com>
2623 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2624 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2626 2006-08-21 Jason Merrill <jason@redhat.com>
2629 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2630 wrapper. Loop to handle nested wrappers.
2631 (gimplify_bind_expr): Remove temp parameter.
2632 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2633 and STATEMENT_LIST on the rhs.
2634 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2635 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2636 (gimplify_target_expr): Remove special BIND_EXPR handling.
2638 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2640 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2643 2006-08-21 Olivier Hainque <hainque@adacore.com>
2645 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2646 Arrange for the temporary captures of components overlapping the lhs
2647 to happen before the lhs is possibly cleared.
2649 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2651 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2652 necessary places to pass the correct "number of registers" values
2655 2006-08-20 Jan Hubicka <jh@suse.cz>
2657 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2658 (create_name_tags): Instead of quadratic checking use hashtable.
2659 * bitmap.h: Include hashtab.h.
2660 (bitmap_hash): Declare.
2661 * bitmap.c (bitmap_hash): New function.
2663 2006-08-20 Jan Hubicka <jh@suse.cz>
2665 PR rtl-optimization/28071
2666 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2668 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2669 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2670 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2671 cgraph_decide_inlining_incrementally): Update use of
2672 cgraph_check_inline_limits.
2673 * cgraph.c (edge_hash, edge_eq): New function.
2674 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2675 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2676 cgraph_remove_node): Maintain call site hash.
2677 * cgraph.h (struct cgraph_node): Add call_site_hash.
2678 (cgraph_set_call_stmt): New function.
2680 2006-08-20 Jan Hubicka <jh@suse.cz>
2682 PR rtl-optimization/28071
2683 * reload1.c (reg_has_output_reload): Turn into regset.
2684 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2685 choose_reload_regs, emit_reload_insns): Update to new
2686 reg_has_output_reload.
2688 2006-08-20 Jan Hubicka <jh@suse.cz>
2691 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2692 function body sizes.
2693 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2695 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2698 * tree.c (handle_dll_attribute): Return early if not a
2699 var or function decl.
2701 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2704 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2705 alignment of SPE vector types.
2707 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2709 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2711 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2714 * cgraph.h (struct cgraph_node): Remove externally_visible
2716 * cgraphunit.c (process_function_and_variable_attributes): Set
2717 local.externally_visible rather than externally_visible.
2720 * c-common.c (handle_externally_visible_attribute): First look
2721 at TREE_CODE and only if it is function or var decl, check for
2722 non-public objects. Don't warn for DECL_EXTERNAL.
2723 * cgraphunit.c (process_function_and_variable_attributes): Warn
2724 if externally_visible attribute is used on non-public object.
2726 2006-08-17 Jan Hubicka <jh@suse.cz>
2728 PR tree-optimization/27865
2729 * reload1.c (forget_marked_reloads): New function.
2730 (forget_old_reloads_1): When data are passed, just mark the registers
2732 (reload_as_needed): Use the new mechanizm.
2734 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2737 * reload.h (reg_equiv_alt_mem_list): New declaration.
2738 * reload1.c (reg_equiv_alt_mem_list): New definition.
2739 (reload): Initialize it and release it.
2740 (delete_output_reload): Use it.
2741 * reload.c (push_reg_equiv_alt_mem): New function.
2742 (find_reloads_toplev): Call it.
2743 (find_reloads_address, find_reloads_address_1): Likewise.
2744 (find_reloads_subreg_address): Likewise.
2746 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2748 PR rtl-optimization/28489
2749 * sched-ebb.c (begin_schedule_ready): Create basic block
2751 (advance_target_bb): Skip empty blocks.
2752 * haifa-sched.c (bb_note): Make global.
2753 * sched-int.h (bb_note): Add prototype.
2755 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2757 PR tree-optimization/27865
2758 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2760 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2761 fold_used_pointer, pointer_used_p): New functions.
2762 (analyze_scalar_evolution_1): Use fold_used_pointer.
2763 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2764 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2767 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2770 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2771 or the INTEGER_CST. Fail on a CALL_EXPR.
2772 (fold_offsetof): Pass new argument to fold_offsetof_1.
2773 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2774 operand into an INDIRECT_REF.
2775 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2777 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2779 PR gcov/profile/26570
2780 * value-prof.c (static_values): Removed.
2781 (tree_find_values_to_profile): Do not set static_values.
2782 (find_values_to_profile): Do not free static_values.
2783 * profile.c (instrument_values): Do not free the values.
2784 (branch_prob): Free the values.
2786 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2788 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2790 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2793 * c-typeck.c (build_component_ref): Combine qualifiers of
2794 structure or union and field.
2796 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2798 PR rtl-optimization/28071
2799 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2800 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2801 * tree-into-ssa.c (struct dom_dfsnum): New.
2802 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2804 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2805 compute_global_livein.
2806 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2807 in phi nodes in the correct blocks.
2809 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2811 PR tree-optimization/28364
2812 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2814 (fold_affine_expr): New function.
2815 (may_eliminate_iv): Use fold_affine_expr.
2817 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2820 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2823 2006-08-16 Mike Stump <mrs@apple.com>
2825 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2826 * doc/cppopts.texi (-MD): Likewise.
2828 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2831 * c-common.c (handle_weak_attribute): Ignore and warn if
2832 not a FUNCTION_ or VAR_DECL.
2834 2006-07-15 Mike Stump <mrs@apple.com>
2837 * c-parser.c (c_parser_typeof_specifier): Don't use
2838 c_finish_expr_stmt, open code desired semantics instead.
2840 2006-08-15 Nick Clifton <nickc@redhat.com>
2842 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2843 fragment to tmake_file only if threads are enabled.
2844 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2845 * config/i386/t-gthr-win32: New file. ... here.
2847 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2850 * c-parser.c (c_parser_compound_statement_nostart): Reset
2851 parser->error after each statement.
2853 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2856 * omp-low.c (lower_omp_parallel): Convert t to
2857 receiver_decl's type.
2858 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2859 source before comparison.
2862 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2863 to itype in assignment to oldival2.
2865 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2869 * c-typeck.c (build_compound_expr): If the second expression
2870 is an error mark, then just return an error mark instead of
2871 creating a COMPOUND_EXPR.
2873 2006-07-14 Mike Stump <mrs@apple.com>
2875 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2877 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2879 * c-decl.c, var-tracking.c: Fix comment typos.
2881 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2883 PR rtl-optimization/28634
2884 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2885 for floating-point modes unless flag_unsafe_math_optimizations.
2887 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2888 Andrew Pinski <pinskia@physics.uc.edu>
2891 * tree.c (build_array_type): Unify array types with
2892 unspecified index_type.
2893 * c-decl.c (grokdeclarator): Make sure we do not modify a
2894 unified incomplete array type.
2895 * c-typeck.c (store_init_value): Create distinct type before
2896 filling in the index type in an initializer from a compound
2899 * c-decl.c (grokdeclarator): Remove code where we copy the
2902 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2904 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2905 into account for TODO_dump_cgraph.
2906 (TODO_update_ssa_no_phi): Likewise.
2907 (TODO_update_ssa_full_phi): Likewise.
2908 (TODO_update_ssa_only_virtuals): Likewise.
2909 (TODO_remove_unused_locals): Likewise.
2910 (TODO_set_props): Likewise.
2911 (TODO_update_stmt_usage): Likewise.
2913 2006-08-13 Dirk Mueller <dmueller@suse.de>
2915 * c-common.c (strict_aliasing_warning): Fix formatting.
2917 2006-08-13 Matthias Klose <doko@debian.org>
2919 * doc/invoke.texi: Fix spelling errors.
2921 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2923 PR rtl-optimization/23454
2924 * reorg.c (relax_delay_slots): Update comment.
2926 2006-08-11 Richard Guenther <rguenther@suse.de>
2929 * simplify-rtx.c (simplify_const_relational_operation):
2930 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2933 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2935 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2936 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2938 2006-08-10 Paul Brook <paul@codesourcery.com>
2940 * final.c (final_scan_insn): Clear current_insn_predicate before
2941 outputting inline asm.
2943 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2945 PR tree-optimization/26197
2946 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2947 get_ref_base_and_extent and overlap_subvar to add only relevant
2948 subvars as may-aliases.
2949 (add_may_alias_for_new_tag): New function, factored out of
2951 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2952 with additional argument.
2953 * tree-flow.h (new_type_alias): Takes additional argument.
2955 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2957 * gcov.c (no_data_file): New flag.
2958 (read_count_file): Set it if data file not present. Assume counts
2960 (output_lines): Don't name the data file, if there wasn't one.
2962 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2964 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2965 (rs6000_generate_compare): Tweak comments.
2966 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2968 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2970 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2971 (var_debug_decl): New function.
2972 (var_reg_set): Follow debug decl link. Add location even if
2973 reg is already known to hold some other variable.
2974 (var_mem_set): Follow debug decl link.
2975 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2976 decl link. Delete other known locations of the variable part
2978 (var_reg_delete, var_mem_delete): Delete other known locations
2979 of the variable part if requested.
2980 (same_variable_part_p): New function.
2981 (add_stores): Select MO_COPY when appropriate.
2982 (vt_initialize): Handle it.
2983 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2984 known locations for MO_SET and MO_CLOBBER.
2985 (find_variable_location_part): New function.
2986 (set_variable_part, delete_variable_part): Use it.
2987 (clobber_variable_part): New function.
2988 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2991 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2993 PR tree-optimization/26969
2994 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2995 with an empty list of PHIs.
2997 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3001 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3004 2006-08-06 Andreas Schwab <schwab@suse.de>
3006 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3007 string. Whitespace and comment fixup.
3009 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3012 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3016 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3019 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3021 2006-08-04 Jan Hubicka <jh@suse.cz>
3025 * reload.c (push_reload): Patch out the mismatching instruction;
3027 (find_reload): Bail out if the instruction was patched out.
3029 2006-08-04 Jan Hubicka <jh@suse.cz>
3031 PR tree-optimization/24888
3032 * tree-inline.c (expand_call_inline): Do not re-record variables.
3033 (declare_inline_vars): Add variable to unexpanded_var_list.
3035 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3036 Roger Sayle <roger@eyesopen.com>
3038 PR rtl-optimization/26244
3039 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3040 inner_const are negative or greater than or equal to the bitsize of
3041 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3042 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3043 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3044 CONST0_RTX (mode) when the new shift count is greater than or equal to
3045 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3048 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3050 * tree-cfg.c: Fix a comment typo.
3052 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3055 * varasm.c (output_constant): Give the front end another chance to
3056 expand constants, after stripping NOPs.
3058 2006-08-03 Jan Hubicka <jh@suse.cz>
3060 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3063 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3065 PR tree-optimization/27770
3066 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3067 declaration removed (moved to tree-flow.h).
3068 (vect_can_force_dr_alignment_p): Likewise.
3069 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3070 (moved from tree-vectorizer.h).
3071 (vect_can_force_dr_alignment_p): Likewise.
3072 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3073 from outside the vectorizer - in particular from cgraph stage.
3074 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3075 the alignment of global arrays when -fsection-anchors is enabled.
3076 * cgraphunit.c (cgraph_increase_alignment): New function.
3077 (cgraph_optimize): Call cgraph_increase_alignment.
3079 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3082 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3083 not reload a SPE symbol_ref into a lo_sum address.
3085 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3088 * dwarf2out.c (prune_unused_types_prune): Move call to
3089 prune_unused_types_update_strings to cover the parent DIE also.
3091 2006-08-02 Jan Hubicka <jh@suse.cz>
3093 PR gcov/profile/28480
3094 * tree-cfg.c (change_bb_for_stmt): New function.
3095 (tree_merge_blocks, tree_split_blocks): Use it.
3097 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3103 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3104 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3105 (cgraph_optimize): Likewise.
3107 2006-08-01 Stuart Hastings <stuart@apple.com>
3109 * rtl.h (UINTVAL) New.
3110 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3111 * testsuite/gcc.dg/20060801-1.c: New.
3113 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3116 * c-typeck.c (build_external_type): Mark used enum types.
3117 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3119 (gen_subprogram_die): Whitespace fix.
3121 2006-08-01 Jan Hubicka <jh@suse.cz>
3123 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3124 bitmap when not needed.
3125 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3128 2006-08-01 Dirk Mueller <dmueller@suse.de>
3130 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3132 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3134 * Makefile.in: Revert part of previous patch:
3135 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3138 2006-07-30 Eric Christopher <echristo@apple.com>
3141 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3142 (PowerPC Variable Attributes): New section.
3144 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3146 PR target/28126 (partial fix)
3147 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3149 2006-07-28 Jan Hubicka <jh@suse.cz>
3151 PR rtl-optimization/28071
3152 * cfgrtl.c (rtl_delete_block): Free regsets.
3153 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3155 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3157 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3158 and variables used in dependencies.
3160 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3162 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3163 %fs for -mcmodel=kernel.
3164 (stack_tls_protect_test_di): Likewise.
3166 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3168 * Makefile.in: Use mkinstalldirs.
3170 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3173 * opts-common.c (prune_options): Skip joined switches.
3175 2006-07-27 Jan Hubicka <jh@suse.cz>
3177 PR rtl-optimization/28071
3178 * cselib.c (cselib_process_insn): Don't remove useless values too
3179 often for very large hashtables.
3181 2006-07-27 Jan Hubicka <jh@suse.cz>
3183 PR rtl-optimization/28071
3184 * global.c (greg_obstack): New obstack.
3185 (allocate_bb_info): Use it.
3186 (free_bb_info): Likewise.
3187 (modify_reg_pav): Likewise.
3189 2006-07-27 Roger Sayle <roger@eyesopen.com>
3191 * builtins.c (fold_fixed_mathfn): When long and long long are the
3192 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3193 functions to their lceil*, lfloor*, lround* and lrint* forms.
3195 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3198 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3200 (rev_branch_insn): Likewise.
3202 2006-07-27 Jan Hubicka <jh@suse.cz>
3204 PR rtl-optimization/28071
3205 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3206 (reg_set_in_bb, max_reg_computed): New static variables.
3207 (regmove_optimize): Free the new array.
3208 (fixup_match_1): Update call of reg_is_remote_constant_p.
3210 2006-07-26 Jan Hubicka <jh@suse.cz>
3212 PR tree-optimization/27882
3213 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3215 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3217 (cgraph_analyze_compilation_unit): Likewise.
3218 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3219 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3220 (cgraph_early_inlinine): Make order garbage collected.
3221 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3223 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3225 * dbxout.c (output_types_sort): Add a comment.
3226 (output_used_types): Free the VEC.
3228 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3230 * function.c (reorder_fix_fragments): Delete.
3231 (reorder_blocks): Don't call it.
3232 (reorder_blocks_1): Put all subblocks under the origin block.
3234 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3236 PR rtl-optimization/27907
3237 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3240 2006-07-25 Roger Sayle <roger@eyesopen.com>
3243 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3244 bar(x) check that bar's result type can represent all the values of T.
3246 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3248 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3250 2006-07-25 Nick Clifton <nickc@redhat.com>
3252 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3253 size_lookup[] array.
3254 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3255 (ggc_pch_count_object): Likewise.
3256 (ggc_pch_alloc_object): Likewise.
3257 (ggc_pch_write_object): Likewise.
3258 (init_ggc): Do not attempt to initialize entries in the
3259 size_lookup[] array for objects whose size is greater than than
3260 the length of the array.
3262 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3264 * dbxout.c (output_used_types_helper): Push queued types
3266 (output_types_sort): New.
3267 (output_used_types): Collect used types on a VEC and sort them
3270 2006-07-24 Richard Guenther <rguenther@suse.de>
3273 * cgraph.c (cgraph_remove_node): Do not check if dumps
3275 * cgraphunit.c (cgraph_optimize): Likewise.
3277 2006-07-24 Jan Hubicka <jh@suse.cz>
3279 PR rtl-optimization/28071
3280 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3281 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3282 splitting before first stmt.
3284 2006-07-24 Jan Hubicka <jh@suse.cz>
3286 PR rtl-optimization/28071
3287 * ipa-inline.c (update_caller_keys): Remove edges that
3288 are no longer inline candidates.
3290 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3293 * dbxout.c (output_used_types_helper, output_used_types): New.
3294 (dbxout_symbol): Call output_used_types.
3296 2006-07-23 Jan Hubicka <jh@suse.cz>
3300 * cgraph.c (cgraph_varpool_nodes): Export.
3301 (decide_is_variable_needed): Ignored "used" attribute in
3302 unit-at-a-time mode.
3303 * cgraph.h (cgraph_varpool_nodes): Declare.
3304 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3305 unit-at-a-time mode.
3307 2006-07-23 Roger Sayle <roger@eyesopen.com>
3310 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3311 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3312 the __gthrw form of thr_keycreate.
3313 (__gthread_key_delete): Silence the unused argument warning.
3315 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3318 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3319 Cache the last found '\0' marker to avoid quadratic behavior.
3321 2006-07-23 Jan Hubicka <jh@suse.cz>
3323 * i386.md (subsi_3_zext): Fix output template.
3325 2006-07-21 Mike Stump <mrs@apple.com>
3327 * doc/invoke.texi (C++ Dialect Options): Note that
3328 -fvisibility-inlines-hidden doesn't affect explicitly
3329 instantiationed inline methods.
3331 2006-07-20 Roger Sayle <roger@eyesopen.com>
3333 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3334 if the target assembler is GNU binutils' gas.
3335 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3336 whether to pass GNU gas or native as command line options.
3338 2006-07-20 Jason Merrill <jason@redhat.com>
3340 * tree.c (remove_attribute): New fn.
3341 * tree.h: Declare it.
3343 2006-07-20 Paul Brook <paul@codesourcery.com>
3346 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3347 they are invalidated by this instruction.
3349 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3352 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3354 2006-07-20 Eric Christopher <echristo@apple.com>
3357 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3359 2006-07-19 Eric Christopher <echristo@apple.com>
3361 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3362 Rewrite dependencies for libgcc_s.1.dylib.
3364 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3366 * except.c (duplicate_eh_regions_1): Clear next_peer.
3368 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3370 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3371 -mlongcall does not guarantee all calls will be long.
3372 * doc/extend.texi (long_call/short_call): Document that longcall
3373 does not guarantee a long call will be used.
3374 (longcall/shortcall): Likewise.
3376 2006-07-18 Roger Sayle <roger@eyesopen.com>
3379 * expmed.c (expand_shift): Additionally check that the shift_cost
3380 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3381 before implementing a LSHIFT_EXPR as a sequence of additions.
3382 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3383 middle-end that DImode shifts need to be synthesized by expand.
3385 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3388 * tree-ssa-operands.c (access_can_touch_variable): Update
3390 Return true if ALIAS is .GLOBAL_VAR.
3392 2006-07-18 David Daney <ddaney@avtrex.com>
3394 * gcc.c (display_help): Fix typo in help text.
3396 2006-07-18 Olivier Hainque <hainque@adacore.com>
3398 * tree.h (categorize_ctor_elements): Adjust prototype and add
3399 descriptive comment, both in accordance with the interface change
3401 * varasm.c (constructor_static_from_elts_p): New function.
3402 Whether a constructor node is a valid static constant initializer
3403 if all its elements are.
3404 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3405 * output.h: Declare it.
3406 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3407 is a valid constant initializer instead of computing the number of
3408 non-constant elements. Use constructor_static_from_elts_p for this
3409 purpose. Replace the head comment with an indication that this is a
3410 helper for categorize_ctor_elements.
3411 (categorize_ctor_elements): Same interface change as for the _1
3412 helper. Former head comment from this helper moved here, adjusted to
3413 account for the interface changes.
3414 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3415 (all_zeros_p): Likewise.
3416 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3417 static versions of the constructor from the categorize_ctor_elements
3418 return value instead of the formerly computed number of non-constant
3421 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3423 * configure: Regenerate.
3424 * Makefile.in (build_libsubdir): New configure substitution
3425 (build_libobjdir): New variable.
3426 (BUILD_LIBIBERTY): Use it.
3428 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3431 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3433 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3436 * c-common.c (handle_weakref_attribute): Ignore attribute in
3437 the same conditions the alias attribute is ignored.
3439 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3441 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3442 (dbxout_begin_prologue): Increment scope_labelno.
3444 2006-07-17 Richard Henderson <rth@redhat.com>
3447 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3450 2006-07-17 Roger Sayle <roger@eyesopen.com>
3451 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3453 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3454 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3455 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3456 functions such as sbrk, write, etc.. Add function prototypes.
3457 Convert function declarations from K&R to ISO C. Cast pointers
3458 to "long" and "unsigned long" instead of "int" and "unsigned int".
3459 Convert tokens following #endif into comments.
3461 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3463 * invoke.texi: Remove mention of f77; Reformat table for
3464 inline parameter options correctly; mention that -malign-double
3465 is default on x86-64 targets.
3467 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3469 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3470 (convert_affine_scev, chrec_convert_aggressive): Use
3471 avoid_arithmetics_in_type_p. Do not check for the subtypes
3474 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3477 * optabs.c (expand_doubleword_shift): Wrap the call to
3478 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3480 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3483 * optabs.c (expand_binop): Pass next_methods rather than methods
3484 to expand_doubleword_shift.
3486 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3489 * tree.h (dump_addr): Declare.
3490 * print-tree.c (dump_addr): New function.
3491 (print_node_brief, print_node): Use it.
3492 * print-rtl.c (print_rtx): Likewise.
3493 * common.opt (-fdump-noaddr): New option.
3494 * doc/invoke.texi (-fdump-noaddr): Document.
3495 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3496 (ve_info_hash): Likewise.
3498 2006-07-13 Andrew Haley <aph@redhat.com>
3500 PR tree-optimization/19505
3501 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3502 edge leaving this block, make sure that the destination of this
3503 block has only one predecessor.
3505 2006-07-17 Richard Guenther <rguenther@suse.de>
3507 PR tree-optimization/28238
3508 * tree-inline.c (copy_bb): Check if we produced valid
3509 gimple copying and substituting a stmt. If not, gimplify
3512 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3514 * optabs.c (maybe_encapsulate_block): New function extracted from...
3515 (emit_libcall_block): ...here. Invoke it on the block of insns to
3516 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3517 (emit_no_conflict_block): Likewise.
3519 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3521 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3523 2006-07-15 Roger Sayle <roger@eyesopen.com>
3525 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3526 a new NOP_EXPR case of the switch statement.
3528 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3531 * stor-layout.c (place_field): Take the bit field with
3532 an excessive size into account in the ms-bitfiled case.
3535 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3536 the previous bit field.
3538 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3541 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3543 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3545 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3546 signal frames correctly even when the signal was installed with
3549 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3551 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3552 (dbxout_function_end): Use local label LFBB. Remove hook
3554 (dbxout_source_line): Use local label LFBB.
3555 (dbxout_block): Likewise.
3556 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3557 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3558 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3559 and DBX_OUTPUT_NFUN.
3561 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3563 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3565 2006-07-13 Jan Hubicka <jh@suse.cz>
3567 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3569 * output.h (align_variable): Declare.
3570 * varasm.c (align_variable): Export.
3571 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3572 when basic block changed.
3574 2006-07-13 Nick Clifton <nickc@redhat.com>
3576 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3577 walking the LOG_LINKS chain.
3579 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3581 * doc/invoke.texi (C++ Dialect Options): Explain difference
3582 between -fvisibility-inlines-hidden and setting hidden
3583 visibility explicitly.
3585 2006-07-12 Eric Christopher <echristo@apple.com>
3587 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3588 (stmp-lipo): Depend on libgcc.a.
3590 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3592 * tree.c: Fix a comment typo.
3594 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3596 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3598 (umulhisi3_r): Likewise.
3600 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3603 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3604 x < 19, vs wchar_t support.
3606 2006-07-12 Nick Clifton <nickc@redhat.com>
3608 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3609 instead of -isa=sh4.
3611 2006-07-12 Mike Stump <mrs@apple.com>
3613 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3615 2006-07-10 Eric Christopher <echristo@apple.com>
3617 * config/t-slibgcc-darwin: Rewrite.
3619 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3622 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3625 2006-07-08 Matthias Klose <doko@debian.org>
3627 * doc/sourcebuild.texi: Fix typo.
3629 2006-07-07 Mike Stump <mrs@apple.com>
3631 * toplev.c (process_options): Don't give -ffunction-sections may
3632 affect debugging warning for Mach-O.
3634 2006-07-07 James E Wilson <wilson@specifix.com>
3636 * config/mips/mips.md (cpu): Add sb1a.
3637 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3638 addition to sb1. Adjust comments to clarify SB-1A differences from
3640 (ir_sb1a_load): New. Modify bypasses to use it.
3641 (ir_sb1a_simple_alu): Likewise.
3642 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3643 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3644 (mips_issue_rate): Add PROCESSOR_SB1A.
3645 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3646 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3647 (TARGET_SB1): Add PROCESSOR_SB1A check.
3648 (TUNE_SB1): Likewise.
3650 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3651 * config/mips/mips.c (mips_store_data_bypass_p): New.
3652 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3653 store_data_bypass_p.
3655 2006-07-08 Paul Brook <paul@codesourcery.com>
3658 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3660 2006-07-07 Richard Guenther <rguenther@suse.de>
3663 * tree.h (build_one_cst): Declare.
3664 * tree.c (build_one_cst): New function.
3665 * tree-ssa-math-opts.c (get_constant_one): Remove.
3666 (insert_reciprocals): Use build_one_cst.
3667 * fold-const.c (fold_plusminus_mult): Likewise.
3669 2006-07-07 Roger Sayle <roger@eyesopen.com>
3671 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3672 * cfgloopanal.c (dump_graph): Likewise.
3673 * dojump.c (discard_pending_stack_adjust): Likewise.
3674 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3676 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3677 * function.c (finalize_block_changes): Likewise.
3678 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3679 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3680 * rtl.c (dump_rtx_statistics): Likewise.
3681 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3683 * varray.c (dump_varray_statistics): Likewise.
3684 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3685 decode_decimal64, encode_decimal128, decode_decimal128,
3686 decimal_real_to_decimal): Likewise.
3688 2006-07-07 Richard Guenther <rguenther@suse.de>
3690 PR tree-optimization/28187
3691 * tree-vrp.c (vrp_operand_equal_p): New function.
3692 (vrp_bitmap_equal_p): Likewise.
3693 (update_value_range): Use them to compare old and new
3696 2006-07-06 Roger Sayle <roger@eyesopen.com>
3698 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3699 a default case to switch statement to silence compiler warnings.
3701 2006-07-06 Roger Sayle <roger@eyesopen.com>
3704 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3705 the configured assembler supports the x87's ffreep mnemonic.
3706 * configure: Regenerate.
3707 * config.in: Regenerate.
3709 * config/i386/i386.c (output_387_ffreep): New function.
3710 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3711 (output_387_reg_move): Likewise.
3713 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3715 Port to hosts whose 'sort' and 'tail' implementations
3716 treat operands with leading '+' as file names, as POSIX
3717 has required since 2001. However, make sure the code still
3718 works on pre-POSIX hosts.
3719 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3720 which says you should use "tail -c +N" rather than "tail +Nc".
3721 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3723 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3725 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3728 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3731 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3732 PRE_{INC,DEC} of TFmode.
3734 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3735 Alan Modra <amodra@bigpond.net.au>
3738 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3741 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3744 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3745 Remove duplicate gtu.
3747 2006-07-05 Jason Merrill <jason@redhat.com>
3751 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3752 * c-common.c (handle_packed_attribute): So don't copy it here.
3753 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3755 2006-07-05 Mike Stump <mrs@apple.com>
3757 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3759 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3762 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3764 2006-07-05 Richard Guenther <rguenther@suse.de>
3767 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3768 TARGET_SSE2 targets if using SSE math.
3769 (*absdf2_1): Likewise.
3771 2006-07-05 Richard Guenther <rguenther@suse.de>
3773 PR tree-optimization/28162
3774 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3775 make sure to convert the operands to the correct type.
3777 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3779 PR tree-optimization/28218
3781 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3782 to calculate and free the dominator information.
3784 2006-07-04 Peter O'Gorman <peter@pogma.com>
3786 * mklibgcc.in: chmod 644 before ranlib during install.
3788 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3789 J"orn Rennecke <joern.rennecke@st.com>
3791 * configure.ac (.eh_frame data check): Use diff -b.
3793 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3796 * Makefile.in (BUILD_RTL): Add build/vec.o.
3797 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3798 (build/genextract): Delete.
3799 (build/genautomata): Likewise.
3801 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3804 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3805 128-bit IBM long doubles for ABI_V4.
3807 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3809 * tree.c (range_in_array_bounds_p): New predicate.
3810 * tree.h (range_in_array_bounds_p): Declare it.
3811 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3812 return a less conservative answer.
3813 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3814 and flag 'is_group'.
3815 (IS_ELEMENT_FOR_GROUP): New macro.
3816 (FOR_EACH_ACTUAL_CHILD): Likewise.
3817 (next_child_for_group): New helper function.
3818 (can_completely_scalarize_p): Take into account groups.
3819 (sra_hash_tree): Handle RANGE_EXPR.
3820 (sra_elt_eq): Likewise.
3821 (lookup_element): Be prepared for handling groups.
3822 (is_valid_const_index): Delete.
3823 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3824 instead of is_valid_const_index.
3825 <ARRAY_RANGE_REF>: New case.
3826 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3827 is_valid_const_index.
3828 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3829 (scan_dump): Dump info for groups too.
3830 (decide_instantiation_1): Likewise.
3831 (decide_block_copy): Assert that the element is not a group.
3832 Propagate decision to groups.
3833 (generate_one_element_ref): Handle RANGE_EXPR.
3834 (mark_no_warning): Iterate over actual childs.
3835 (generate_copy_inout): Likewise.
3836 (generate_element_copy): Likewise.
3837 (generate_element_zero): Likewise.
3838 (generate_element_init_1): Likewise.
3839 (dump_sra_elt_name): Handle RANGE_EXPR.
3841 2006-07-03 Roger Sayle <roger@eyesopen.com>
3843 PR tree-optimization/26251
3844 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3845 (thread_block): When optimizing for size refuse to thread jumps
3846 that would require duplication of blocks other than redirection
3849 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3851 * configure.ac: Fix thinko in previous check-in.
3852 * configure: Regenerate.
3854 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3857 * configure.ac (for lang...): Simplify nesting of conditionals.
3858 Test subdir_requires for non-enabled languages. Move processing
3859 of lang_opt_files and lang_tree_fiels below that test.
3860 * configure: Regenerate.
3861 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3863 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3865 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3867 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3869 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3872 2006-06-29 Jason Merrill <jason@redhat.com>
3879 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3880 * c-common.c (c_determine_visibility): Handle it here.
3881 * c-decl.c (finish_decl): Call c_determine_visibility for
3883 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3885 * varasm.c (default_assemble_visibility): Likewise.
3886 * c-common.c (handle_visibility_attribute): Complain about trying
3887 to give visibility to an already defined class, or trying to change
3888 declared visibility. Always attach the attribute.
3893 * attribs.c (decl_attributes): Ignore type-in-place attributes
3894 once the type has been defined.
3896 2006-06-29 Roger Sayle <roger@eyesopen.com>
3899 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3900 to indicate the cpplib has issued an error message for us.
3902 2006-06-29 Asher Langton <langton2@llnl.gov>
3905 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3906 insert a label at the end of an function under Mach-O.
3908 2006-06-29 Eric Christopher <echristo@apple.com>
3909 Evan Cheng <evan.cheng@apple.com>
3911 * predicates.md (vector_all_ones_operand): New.
3912 (nonimmediate_or_sse_const_operand): Ditto.
3913 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3914 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3915 (standard_sse_mode_p): Ditto.
3916 (standard_sse_constant_p): Add case for -1 vector.
3917 (ix86_expand_vector_move): Try to use.
3918 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3919 Call standard_sse_constant_opcode.
3920 (*movv4sf_internal): Ditto.
3921 (*movv2df_internal): Ditto.
3923 2006-06-29 Roger Sayle <roger@eyesopen.com>
3925 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3926 of XEXP to extract the operands of a MATCH_CODE rtx.
3928 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3930 * tree.c (tree_size): Do not waste tail padding in
3931 struct tree_string and make the size be the same as
3932 build_string will generate.
3934 2006-06-28 Jason Merrill <jason@redhat.com>
3937 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3938 may_aliases already in the tag's annotations to the bitmap.
3940 2006-06-28 Roger Sayle <roger@eyesopen.com>
3942 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3944 2006-06-28 Roger Sayle <roger@eyesopen.com>
3946 * genpreds.c (generate_switch_p): New function.
3947 (add_mode_tests): Push the new mode test down inside an AND expr
3948 if this allows the switch-suitable MATCH_CODE to be near the root.
3949 (write_match_code_switch): New function to write a MATCH_CODE as
3951 (write_predicate_stmts): New function to write a predicate RTX
3952 expression as a sequence of statements.
3953 (write_one_predicate_function): Use write_predicate_stmts.
3954 (write_tm_constrs_h): Likewise.
3956 2006-06-26 Fred Fish <fnf@specifix.com>
3958 * config/mips/t-sb1: New file.
3959 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3962 2006-06-26 DJ Delorie <dj@redhat.com>
3964 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3966 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3967 Jayant Sonar <jayants@kpitcummins.com>
3968 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3970 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3971 (subsi3, subsi3_1, subsi3_2): New.
3972 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3973 * config/m32c/mov.md (SI mov peephole): New.
3974 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3975 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3977 2006-06-26 Olivier Hainque <hainque@adacore.com>
3979 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3980 a CALL_EXPR target function declaration.
3982 2006-06-26 Richard Guenther <rguenther@suse.de>
3984 * tree.c (build_string): Do not waste tail padding in
3987 2006-06-26 Richard Guenther <rguenther@suse.de>
3989 * ggc-page.c (init_ggc): Add missing element to size_lookup
3993 2006-06-23 Richard Guenther <rguenther@suse.de>
3995 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3996 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3997 alignment requests instead. Add verification code.
3998 Add struct tree_function_decl and struct tree_binfo size to
3999 extra_order_size_table. Add missing element to size_lookup
4002 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4005 * fold-const.c (const_binop): Be prepared for self returning zero.
4006 Simplify code handling complex values.
4008 2006-06-24 Olivier Hainque <hainque@adacore.com>
4010 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4011 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4014 2006-06-24 Olivier Hainque <hainque@adacore.com>
4016 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4017 ARRAY_REF, so have the callback called for the low bound expression.
4019 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4021 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4022 * c-typeck.c (c_common_type): Disallow operations on decimal float
4023 types and other float types.
4024 * convert.c (convert_to_real): Don't ignore conversions involving
4025 decimal float types.
4027 2006-06-23 Olivier Hainque <hainque@adacore.com>
4029 * tree.c (max_int_size_in_bytes): New function, inspired from
4030 code in function.c:assign_temp.
4031 * tree.h (max_int_size_in_bytes): Declare.
4032 * function.c (assign_temp): Use it.
4033 * gimplify.c (create_tmp_var): Relax the assertions on the type
4034 properties, not mandating constant size any more.
4035 (force_constant_size): New static function.
4036 (gimple_add_tmp_var): Use it, forcing variable size to a
4037 constant upper bound if it is not constant on entry.
4039 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4042 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4043 for initialization and setting of one_only flag to ...
4044 (i386_pe_encode_section_info): ...here.
4045 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4046 Recheck that the symbol has not been defined.
4048 2006-06-23 Richard Guenther <rguenther@suse.de>
4050 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4051 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4052 alignment requests instead. Add verification code.
4053 Add struct tree_function_decl and struct tree_binfo size to
4054 extra_order_size_table. Add missing element to size_lookup
4057 2006-06-22 Roger Sayle <roger@eyesopen.com>
4058 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4061 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4062 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4064 2006-06-23 Ben Elliston <bje@au.ibm.com>
4066 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4067 negate dn -- manipulate it directly.
4069 2006-06-22 Roger Sayle <roger@eyesopen.com>
4070 Steven Bosscher <stevenb.gcc@gmail.com>
4073 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4074 generated by gen_move_insn to add REG_LABEL notes if necessary.
4076 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4078 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4079 (leaf_entry): Remove use of MIN_ESA.
4081 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4083 PR rtl-optimization/28121
4084 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4087 2006-06-21 DJ Delorie <dj@redhat.com>
4089 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4091 (mulhisi3_r): Likewise.
4093 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4096 * coverage.c (coverage_counter_alloc): Leave the index type
4098 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4101 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4103 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4104 section from the "Options for Code Generation Conventions".
4106 2006-06-21 Richard Henderson <rth@redhat.com>
4110 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4112 (global_symbolic_operand): Allow weak symbols, even if local_p.
4114 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4116 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4117 (find_interesting_uses_address): Punt if above function returns true.
4119 2006-06-21 Richard Guenther <rguenther@suse.de>
4121 * configure: Regenerated.
4123 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4125 * config/mips/mips.c (function_arg): Where one part of a
4126 complex argument is in registers and the other part in the stack,
4127 return a REG not a PARALLEL.
4129 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4131 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4132 when cross-compiling. Do not substitute libstdcxx_incdir.
4133 * configure: Regenerated.
4135 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4137 * varasm.c (mergeable_string_section): Check for embedded NULs and
4138 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4139 rather than TREE_STRING_LENGTH bytes.
4141 2006-06-21 Richard Guenther <rguenther@suse.de>
4143 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4144 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4147 2006-06-21 Richrad Guenther <rguenther@suse.de>
4149 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4150 Limit iteration over the dominators.
4152 2006-06-20 Roger Sayle <roger@eyesopen.com>
4154 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4155 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4157 2006-06-20 Richard Guenther <rguenther@suse.de>
4158 Michael Matz <matz@suse.de>
4160 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4162 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4163 * et-forest.h (et_free_pools): Prototype new function.
4164 * et-forest.c (et_free_tree_force): Free parent occurrence.
4165 (et_free_pools): New function.
4166 * dominance.c (free_dominance_info): Free et-forest alloc
4169 2006-06-20 Roger Sayle <roger@eyesopen.com>
4171 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4172 integer modes, attempt to directly construct an integer constant.
4174 * fold-const.c (native_encode_vector): Determine the size of each
4175 element from the vector type instead of the first vector element.
4177 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4178 if all of its elements/components are constant.
4179 (build_constructor_from_list): Likewise.
4181 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4183 PR tree-optimization/27331
4184 * tree-data-ref.c (free_data_ref): New function.
4185 (create_data_ref): Fail if the data reference has unknown access
4187 (free_data_refs): Use free_data_ref.
4189 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4192 * tree-inline.c (setup_one_parameter): Strip useless
4193 type conversion before adding it to the IR.
4194 (declare_return_variable): Likewise.
4196 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4199 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4201 2006-06-19 Mike Stump <mrs@apple.com>
4203 * tree.c (variably_modified_type_p): VM arguments don't make the
4206 2006-06-19 Richard Guenther <rguenther@suse.de>
4208 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4209 type conversions after folding.
4211 2006-06-19 Richard Guenther <rguenther@suse.de>
4213 * ggc-page.c (extra_order_size_tab): Add entries with
4214 size of struct function and basic_block.
4215 (size_lookup): Extend to cover sizes up to 511.
4216 (ggc_alloc_stat): Adjust user.
4217 (ggc_pch_count_object): Likewise.
4218 (ggc_pch_alloc_object): Likewise.
4219 (ggc_pch_write_object): Likewise.
4221 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4223 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4224 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4227 2006-06-19 Denis Chertykov <denisc@overta.ru>
4229 * config/avr/libgcc.S : Correct my wrong previous commit.
4231 2006-06-19 Roger Sayle <roger@eyesopen.com>
4234 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4235 have stripped a SUBREG from the shift count, so we may need to
4236 convert_to_mode back to the type's mode before calling make_tree.
4237 Use new_amount instead of amount to avoid expanding a tree twice.
4239 2006-06-19 Richard Guenther <rguenther@suse.de>
4242 * fold-const.c (operand_equal_p): Check if the argument types
4243 have the same precision before stripping NOPs.
4245 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4247 Fix PR tree-optimization/27341
4248 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4250 * tree-complex.c (pass_lower_complex): Update SMT usage.
4252 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4254 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4255 Add a new alternative to the constraint strings. Add move of
4256 operand 1 to 3 to the splitter definition.
4257 ("doloop_si_long"): Second contraint alternative removed.
4259 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4261 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4262 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4264 (AVR_HAVE_MOVW) Define.
4265 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4266 (ASM_SPEC): Add avr25.
4267 (LINK_SPEC): Add avr25.
4268 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4269 (base_arch_s): Add new member 'have_movw_lpmx'.
4270 (avr_arch_types): Init 'have_movw_lpmx'.
4271 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4272 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4273 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4274 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4275 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4277 (avr_file_start): Do not output '.arh' derective.
4278 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4279 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4280 * config/avr/avr.md (mcu_enhanced): Delete.
4281 (mcu_have_movw): Define.
4282 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4283 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4284 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4285 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4286 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4287 attiny861 and at86rf401 devices.
4289 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4291 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4294 2006-06-17 Karl Berry <karl@gnu.org>
4296 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4297 doc/gccint.texi, doc/install.texi (@dircategory): Use
4298 "Software development" instead of "Programming", following
4299 the Free Software Directory.
4301 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4303 * config/i386/i386.c (legitimate_tls_address)
4304 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4305 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4306 (*tls_dynamic_gnu2_combine_64): Likewise.
4308 2006-06-16 Richard Guenther <rguenther@suse.de>
4311 * fold-const.c (negate_expr_p): Do not introduce undefined
4312 overflow in negating INTEGER_CSTs.
4313 (fold_negate_expr): Rename from negate_expr. Revert last
4314 change for folding BIT_NOT_EXPR. Change semantics to
4315 return NULL_TREE for non-simplified negations. Do not
4316 strip type conversions and unify type handling.
4317 (negate_expr): New function, wrap around fold_negate_expr
4318 but ensure building a tree always. Strip type conversions
4319 here, fold to result type.
4320 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4322 2006-06-16 Roger Sayle <roger@eyesopen.com>
4325 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4326 that (would) return their results in stack registers.
4328 2006-06-16 Michael Matz <matz@suse.de>
4329 Richard Guenther <rguenther@suse.de>
4331 * fold-const.c (fold_truthop): Only return new tree node if
4332 we canonicalized something.
4334 2006-06-16 Richard Guenther <rguenther@suse.de>
4336 * function.h (enum function_frequency): Move declaration
4337 out of struct function.
4338 (struct function): Move bool fields and the enum to the bitfield
4339 section. Reorder elements to avoid padding. Remove unused
4340 fields left over from the RTL inliner removal.
4341 * function.c (free_after_compilation): Do not zero removed fields.
4342 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4343 (ipa-type-escape.o): Likewise.
4345 2006-06-16 Richard Guenther <rguenther@suse.de>
4347 * cgraph.h (struct cgraph_local_info): Turn bool elements
4349 (struct cgraph_node): Likewise.
4350 (struct cgraph_varpool_node): Likewise.
4352 2006-06-15 Richard Guenther <rguenther@suse.de>
4354 * fold-const.c (fold_truth_not_expr): Rename from
4355 invert_truthvalue. Give it fold_* semantics to avoid
4357 (invert_truthvalue): New function. Wrapper around
4358 fold_truth_not_expr.
4359 (optimize_minmax_comparison): Avoid creating garbage.
4360 (fold_unary): Use fold_truth_not_expr for folding
4362 (fold_ternary): Replace uses of invert_truthvalue with
4363 fold_truth_not_expr where applicable.
4364 * tree.h (fold_truth_not_expr): Prototype.
4366 2006-06-16 Richard Guenther <rguenther@suse.de>
4368 PR tree-optimization/27781
4369 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4370 * ipa-pure-const.c (target.h): Include.
4371 (analyze_function): Do not analyze functions that do not
4374 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4377 * tree-dfa.c (referenced_vars_dup_list): Remove.
4378 (find_referenced_vars): Remove assert.
4379 (referenced_var_check_and_insert): Replace dup list with assert.
4380 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4381 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4383 2006-06-15 Richard Guenther <rguenther@suse.de>
4385 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4386 extra unused identifiers if not dumping.
4387 (create_variable_info_for): Likewise.
4389 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4391 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4392 (derive_constant_upper_bound): Derive more precise upper bound in
4393 common cases. Return type changed to double_int.
4394 (record_estimate): Reflect the changed return type of
4395 derive_constant_upper_bound.
4396 * double-int.c (double_int_zext, double_int_sext): Fix.
4398 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4400 * configure.ac (CFLAGS): Get them from the toplevel or from the
4401 configure invocation.
4402 * configure: Regenerate.
4403 * Makefile.in (CFLAGS): Substitute value provided by configure.
4405 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4408 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4409 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4410 rather than calling add_stmt on it.
4411 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4413 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4416 * reload1.c (reload): Remove registers returned by update_eliminables
4417 from used_spill_regs.
4419 2006-06-13 DJ Delorie <dj@redhat.com>
4421 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4423 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4425 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4426 html__strip_dir, html__mkdir_p. Enhance install-html target.
4427 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4428 * configure: Regenerate.
4430 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4432 * fold-const.c (fold_cond_expr_with_comparison): Check for
4433 Objective-C++ as language in deciding COND_EXPR transformation.
4435 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4438 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4439 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4440 * config/sh/lib1funcs.h (SL, SL1): Define.
4441 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4442 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4443 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4444 (OBJS_Os_4_200): New variable.
4445 ($(T)libgcc-Os-4-200.a): Use it.
4446 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4447 when dividing 1 and/or by 0.
4449 2006-06-13 Roger Sayle <roger@eyesopen.com>
4451 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4452 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4453 * configure: Regenerate.
4455 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4457 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4458 for real instruction.
4460 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4463 * haifa-sched.c (check_cfg): Handle special case.
4465 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4468 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4469 Add debug_info parameter. Chain the vars to the BLOCK instead
4470 of the BIND_EXPR if debug info are requested for them.
4471 (pop_gimplify_context): Adjust for above change.
4472 (gimple_add_tmp_var): Likewise.
4473 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4475 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4476 (convert_local_reference): Likewise.
4477 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4478 (finalize_nesting_tree_1): Request that debug info be emitted
4479 for debug_var_chain.
4481 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4483 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4484 for PR target/27863.
4486 2006-06-13 Richard Guenther <rguenther@suse.de>
4489 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4491 2006-06-13 Richard Guenther <rguenther@suse.de>
4493 PR tree-optimization/27830
4494 * tree-inline.c (copy_body_r): For copying the operand
4495 of an ADDR_EXPR make sure to fold &* afterwards.
4497 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4499 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4500 lvalues in the fb_none case with side-effects.
4502 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4504 * tree-flow.h: Remove the prototype for
4505 compute_phi_arg_on_exit.
4506 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4507 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4510 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4512 * builtins.c (expand_builtin_return_addr): Only use
4513 frame_pointer_rtx when count == 0 and we are expanding
4514 __builtin_return_address.
4516 2006-06-12 Fred Fish <fnf@specifix.com>
4518 * config/mips/mips.c (mips_file_start): Create special section
4519 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4521 2006-06-11 Eric Christopher <echristo@apple.com>
4524 * stor-layout.c (place_field): Remove check for
4525 remaining_in_alignment when aligning at the end of a run.
4527 2006-06-11 Eric Christopher <echristo@apple.com>
4530 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4533 2006-06-11 Roger Sayle <roger@eyesopen.com>
4536 Revert incorrect fix for PR target/27158
4537 2006-05-08 Roger Sayle <roger@eyesopen.com>
4538 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4539 of a reg_equiv_constant if the result is a legitimate constant.
4541 2006-06-11 Roger Sayle <roger@eyesopen.com>
4544 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4545 extract a CONST_VECTOR element and interpret it as an integer.
4546 (vspltis_constant): Use const_vector_elt_as_int instead of the
4547 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4548 * config/rs6000/predicates.md (easy_vector_const): Consider
4549 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4551 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4554 * stor-layout.c (update_alignment_for_field): Don't add extra
4555 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4558 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4560 * config/mips/t-rtems: Add EL/EB multilib variants.
4562 2006-06-09 Mike Stump <mrs@apple.com>
4564 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4566 2006-06-09 David Daney <ddaney@avtrex.com>
4568 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4570 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4572 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4574 2006-06-09 Richard Guenther <rguenther@suse.de>
4576 PR tree-optimization/26998
4577 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4578 of signed types, only TYPE_MIN_VALUE is special, but for both,
4579 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4580 in this case, as is -fwrapv.
4582 2006-06-08 Mike Stump <mrs@apple.com>
4585 * config/darwin.c (darwin_asm_output_anchor): Disable
4586 -fsection-anchors on darwin for now.
4587 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4588 * rs6000/rs6000.c (optimization_options): Likewise.
4590 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4593 * config/i386/i386.c (classify_argument): Skip fields with invalid
4596 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4598 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4599 (cse_insn): Likewise for the stack_pointer_rtx.
4601 2006-06-08 Roger Sayle <roger@eyesopen.com>
4603 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4604 conditions from floating point comparisons.
4606 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4609 * expmed.c (struct alg_hash_entry): Fix type of field T
4610 to match synth_mult argument.
4611 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4613 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4616 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4619 2006-06-08 Richard Guenther <rguenther@suse.de>
4622 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4623 only, if overflow is defined and not trapping.
4624 (negate_expr): Likewise.
4626 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4628 PR tree-optimization/27872
4629 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4630 flag on the new exit edge of the unrolled loop.
4632 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4634 PR rtl-optimization/26449
4635 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4637 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4640 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4641 referenced_variables with matching DECL_UID's.
4642 (find_referenced_vars): Make sure duplicate list is empty to start.
4643 (referenced_var_p): Remove.
4644 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4645 Check if var is in the list, and add if needed. Update the duplicate
4646 list if a different var is in the list with the same DECL_UID.
4647 (add_referenced_var): Call routine to check and insert.
4648 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4649 * tree-flow.h (referenced_vars_dup_list): External declaration.
4651 2006-06-07 Fred Fish <fnf@specifix.com>
4653 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4656 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4659 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4660 the imaginary and real parts of a clobbered register.
4661 Emit insn to set the imaginary part.
4663 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4665 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4666 in lieu of unwind-dw2-fde.c.
4668 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4670 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4672 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4675 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4676 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4677 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4678 V4SImode temporaries and operations instead.
4680 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4682 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4685 2006-06-06 Mike Stump <mrs@apple.com>
4687 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4688 installing during build.
4690 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4692 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4694 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4695 * config/ia64/ia64.c (params.h): New header.
4696 (ia64_optimization_options): New function to adjust parameters.
4697 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4698 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4699 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4701 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4703 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4705 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4708 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4710 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4711 Victor Kaplansky <victork@il.ibm.com>
4713 PR tree-optimization/26360
4714 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4717 2006-06-04 Roger Sayle <roger@eyesopen.com>
4718 Andrew Pinski <pinskia@physics.uc.edu>
4721 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4722 for LABEL_DECL before calling DECL_WEAK.
4725 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4726 LABEL_DECL and PARM_DECL.
4728 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4732 * c-decl.c (grokdeclarator): Disallow variably modified types at
4733 file scope. Avoid marking shared array type of constant size as
4736 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4739 * c-common.c (fold_offsetof_1): Handle static members.
4741 2006-06-04 Eric Christopher <echristo@apple.com>
4743 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4744 (debug_rli): Output value for remaining_in_alignment.
4745 (update_alignment_for_field): Unconditionalize
4746 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4747 extra alignment code.
4748 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4749 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4750 * tree.h (record_layout_info_s): Remove prev_packed.
4751 * doc/extend.texi (ms_struct): Add documentation of format.
4753 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4755 * tree.h: Declare folding_initializer.
4756 * builtins.c (fold_builtin_constant_p): Give definite answer
4757 if folding inside an initializer.
4758 * fold-const.c: Define folding_initializer.
4759 (START_FOLD_INIT): Save and then set folding_initializer.
4760 (END_FOLD_INIT): Restore folding_initializer.
4762 2006-06-04 Richard Guenther <rguenther@suse.de>
4764 PR tree-optimization/27039
4765 * fold-const.c (fold_comparison): Handle pointer comparison
4766 again for all comparison codes. Compare offsets in signed
4768 (fold_binary): Move code from here.
4770 2006-06-03 Roger Sayle <roger@eyesopen.com>
4773 * config/i386/i386.c (construct_container): Split static issued_error
4774 flag into issued_sse_arg_error, issued_sse_ret_error and
4775 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4776 requires the use of x87 registers and the user explicitly
4777 specified the -mno-80387 command line option.
4779 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4781 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4782 HAVE_DECL_SIGALTSTACK.
4784 (segv_handler): Use MC_FLD.
4785 * configure.ac: Check for a sigaltstack declaration.
4786 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4787 * configure: Regenerate.
4788 * config.in: Regenerate.
4790 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4793 * Makefile.in (stmp-fixinc): Fix typo.
4795 2006-06-02 Roger Sayle <roger@eyesopen.com>
4797 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4798 are type correct. Clean-up.
4799 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4800 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4802 2006-06-01 DJ Delorie <dj@redhat.com>
4804 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4805 shift, as we've disabled the "switch" insn that needs it.
4807 2006-06-01 Per Bothner <bothner@bothner.com>
4809 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4810 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4811 * c-ppoutput.c (cb_define): Don't increment line 0.
4813 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4815 * doc/invoke.texi: Add cpu_type power6.
4816 * config.gcc: Add cpu_type power6.
4817 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4818 to power5+ with Altivec.
4819 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4820 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4822 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4824 * config/avr/avr.h (SET_ASM_OP): Define.
4826 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4828 * config/bfin/bfin.c: Fix comment typos.
4830 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4833 * doc/install.texi: Document --enable-bootstrap and
4834 --disable-bootstrap.
4836 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4838 * doc/install.texi: Document that InfoZIP can replace jar.
4840 2006-05-31 Roger Sayle <roger@eyesopen.com>
4842 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4843 isn't available, directly generate the simpler x87 patterns without
4844 the (use (const_int 0)).
4845 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4846 implementation isn't available.
4847 (*negdf2_1): Likewise.
4848 (*negxf2_1): XF mode negation is always done using the x87.
4849 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4851 2006-05-31 Roger Sayle <roger@eyesopen.com>
4853 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4854 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4856 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4858 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4860 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4861 * config/bfin/bfin.c (basic-block.h): Include.
4862 (struct machine_function): New.
4863 (bfin_init_machine_status): New.
4864 (override_options): Initialize init_machine_status.
4865 (bfin_hardware_loop): New.
4866 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4867 (DEF_VEC_P (loop_info)): New.
4868 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4869 (struct loop_info): New.
4870 (loop_info): New typedef.
4871 (struct loop_work): New.
4872 (loop_work): New typedef.
4873 (DEF_VEC_O (loop_work)): New.
4874 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4875 (bfin_dump_loops): New.
4876 (bfin_bb_in_loop): New.
4877 (bfin_scan_loop): New.
4878 (bfin_optimize_loop): New.
4879 (bfin_reorg_loops): New.
4880 (bfin_reorg): Use bfin_reorg_loops.
4881 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4883 (I_REGNO_P): Simplify.
4884 (DP_REGNO_P, DPREG_P): New macros.
4885 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4886 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4887 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4888 Add LT_REGS, LC_REGS, LB_REGS.
4889 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4891 (REGNO_REG_CLASS): Deal with loop registers.
4892 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4894 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4895 New constants for loop registers.
4896 (UNSPEC_LSETUP_END): New.
4897 (seq_insns): New define_attr. Set it for appropriate insns.
4898 (movsi_insn): Add alternatives for move from/to
4899 loop count registers.
4900 (doloop_end): New define_expand.
4901 (loop_end): New define_insn.
4902 (define_split for bad doloop_end): New.
4903 (lsetup_with_autoinit): New define_insn.
4904 (lsetup_without_autoinit): New define_insn.
4905 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4906 * config/bfin/predicates.md (lc_register_operand): New.
4907 (lt_register_operand): New.
4908 (lb_register_operand): New.
4909 (nondp_register_operand): New.
4910 (nondp_reg_or_memory_operand): New.
4911 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4913 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4915 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4916 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4918 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4920 * Makefile.in (CATALOGS): Add po/ prefix.
4921 * configure: Regenerated.
4923 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4926 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4927 a shift operand before calling shift_op. Avoid redundant call of
4930 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4931 DJ Delorie <dj@redhat.com>
4933 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4934 we're inserting is a singlt-bit constant.
4936 2006-05-30 Roger Sayle <roger@eyesopen.com>
4938 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4939 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4941 2006-05-30 Roger Sayle <roger@eyesopen.com>
4943 PR tree-optimization/23452
4944 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4945 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4946 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4947 complex values and with -ffast-math for FP complex values.
4949 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4951 * c-common.h: Remove the prototype for yyparse.
4952 * rtl.h: Remove the prototype for init_loop.
4954 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4956 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4959 2006-05-30 Roger Sayle <roger@eyesopen.com>
4961 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4963 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4964 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4966 2006-05-30 Dirk Mueller <dmueller@suse.de>
4969 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4970 for CONSTANT_CLASS_P expresisons.
4972 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4975 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4977 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4979 PR tree-optimization/27779
4980 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4981 initial_condition instead of CHREC_LEFT.
4983 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4985 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4986 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4987 Make prototypes ISO C90.
4989 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4990 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4992 * see.c (see_analyze_one_def): Correct check.
4993 (see_get_extension_data): Check if extension is parallel.
4994 (see_get_extension_reg): Likewise.
4996 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4999 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5000 into register for (code == GTU).
5002 2006-05-29 Roger Sayle <roger@eyesopen.com>
5004 PR tree-optimization/24964
5005 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5006 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5007 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5008 abs(x)*abs(x) as x*x for scalar floating point modes.
5010 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5013 * lambda-code.c (perfect_nestify): Don't copy statements
5014 in the inner loop: move them to the inner loop header.
5016 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5019 * c-tree.texi: Document OpenMP directives and clauses.
5021 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5023 * varasm.c (globalize_decl): Fix indentation.
5025 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5028 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5029 pass_fre, pass_store_ccp, pass_copy_prop,
5030 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5031 pass_return_slot, pass_object_size, pass_lim,
5032 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5033 pass_loop_prefetch and pass_stdarg.
5035 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5037 * config/bfin/bfin.opt (mfdpic): New option.
5038 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5039 (EXTRA_MULTILIB_PARTS): Likewise.
5040 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5041 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5043 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5044 (CRT_CALL_STATIC_FUNCTION): New.
5045 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5047 (CRT_CALL_STATIC_FUNCTION): New.
5048 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5050 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5051 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5052 (initialize_trampoline): Changed to handle FD-PIC code generation.
5053 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5054 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5055 (override_options): Disallow -mid-shared-library -mfdpic combination.
5056 Can't do unaligned ops if FD-PIC.
5057 Turn off flag_pic if trying to generate non-id-shared-library
5058 non-fdpic code, since it's not supported.
5059 (bfin_assemble_integer): New function.
5060 (TARGET_ASM_INTEGER): Define.
5061 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5063 * config/bfin/crtn.s: Restore them.
5064 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5066 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5067 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5068 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5069 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5070 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5072 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5073 FDPIC_REGS and FDPIC_FPTR_REGS.
5074 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5075 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5076 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5077 (load_funcdescsi): New pattern.
5078 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5079 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5080 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5082 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5084 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5087 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5089 * tree-flow.h: Remove the prototype for add_type_alias.
5090 * tree-ssa-alias.c (add_type_alias): Remove.
5092 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5094 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5095 config/fr30/fr30.md, config/i386/i386-interix.h,
5096 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5097 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5098 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5099 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5100 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5101 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5102 Follow spelling conventions.
5103 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5104 Follow spelling conventions.
5106 2006-05-27 Richard Guenther <rguenther@suse.de>
5109 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5110 to produce a constant of value 1 of generic type.
5112 2006-05-27 Dirk Mueller <dmueller@suse.de>
5114 * cgraphunit.c (decide_is_function_needed): Fix wrong
5117 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5119 PR rtl-optimization/27661
5120 * reload.c (find_reloads): When reloading a VOIDmode constant
5121 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5122 use Pmode as mode of the reload register.
5124 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5126 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5127 is enabled at -O and above.
5129 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5132 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5135 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5138 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5139 for anonymous variables explicitly declared by front ends.
5141 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5143 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5144 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5145 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5146 ref-all pointers, run a finalization pass for them.
5147 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5148 (finalize_ref_all_pointers): New function.
5149 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5150 regular pointer type to a ref-all pointer type.
5151 (get_tmt_for): Return the special memory tag for ref-all pointers.
5153 2006-05-25 Richard Guenther <rguenther@suse.de>
5156 * fold-const.c (fold_binary): Do not look at the stripped
5157 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5159 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5161 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5162 for LT and GT if the computed range is effectively empty.
5164 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5167 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5168 mips_quad_format formats instead of ieee_single_format,
5169 ieee_double_format and ieee_quad_format formats, respectively.
5171 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5173 PR tree-optimization/27639
5174 PR tree-optimization/26719
5175 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5176 call to scev_probably_wraps_p.
5177 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5178 used_in_pointer_arithmetic_p, convert_step): Removed.
5179 (nowrap_type_p): New function.
5180 (scev_probably_wraps_p): Rewritten.
5181 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5182 chrec_convert if chrec_convert_aggressive might have been used.
5183 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5184 scev_direction): New functions.
5185 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5186 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5187 instead of convert_step.
5188 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5189 (convert_step): Declaration removed.
5190 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5192 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5194 * df-core.c: Added to header comments.
5195 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5196 df_ur_bb_info, df_urec_bb_info): Added comments.
5197 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5198 urec, ri problems): Fixed header comments.
5199 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5200 code from df_rd_transfer_function.
5202 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5204 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5205 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5206 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5208 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5210 * expr.c (undefined_operand_subword_p): New.
5211 (emit_move_multi_word): Do not generate move from undefined bits
5212 of a paradoxical subreg.
5214 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5216 PR rtl-optimization/27736
5217 * combine.c (replaced_rhs_value): New variable.
5218 (combine_instructions): Set it.
5219 (distribute_notes): When distributing a note in replaced_rhs_insn,
5220 check whether the value was used in replaced_rhs_value.
5222 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5225 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5226 add_referenced_var instead of add_referenced_tmp_var.
5227 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5228 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5230 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5231 tree_optimize_tail_calls_1): Use add_referenced_var.
5232 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5233 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5234 Use add_referenced_var.
5235 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5236 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5237 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5238 Use add_referenced_var.
5239 * tree-dfa.c (struct walk_state): Remove.
5240 (find_referenced_vars): Remove walk state and vars_found hash table.
5241 (make_rename_temp): Use add_referenced_var.
5242 (find_vars_r): Pass less parameters to add_referenced_var.
5243 (referenced_var_p): New. Is var in referenced_var hash table.
5244 (referenced_var_insert): Assert var isn't already in hash table.
5245 (add_referenced_var): Don't need walk_state parameter. Add var if it
5246 isn't already in the hash table.
5247 (add_referenced_tmp_var): Remove.
5248 (find_new_referenced_vars_1): Use add_referenced_var.
5249 * tree-ssa-pre.c (create_expression_by_pieces,
5250 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5251 Use add_referenced_var.
5252 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5253 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5254 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5256 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5257 vect_create_data_ref_ptr, vect_create_destination_var,
5258 vect_init_vector, vect_build_loop_niters,
5259 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5260 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5261 Use add_referenced_var.
5262 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5263 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5264 (add_referenced_var): Add prototype.
5265 * tree-ssa-structalias.c (get_constraint_for,
5266 intra_create_variable_infos): Use add_referenced_var.
5268 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5270 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5271 big-endian paradoxical subregs.
5272 * var-tracking.c (struct micro_operation_def): Document that,
5273 for modify micro operations, insn is the subsequent instruction.
5274 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5275 (var_reg_set, var_mem_set): ... new functions.
5276 (add_stores): Record subsequent insn.
5277 (compute_bb_dataflow): Use new functions for MO_USE.
5278 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5279 notes after the insn, and modify notes before the insn known
5280 to be the subsequent one.
5281 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5283 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5286 * config/i386/i386.c (ix86_expand_builtin): Use
5287 gen_sse3_monitor64 for TARGET_64BIT.
5289 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5291 PR rtl-optimization/26375
5292 PR rtl-optimization/26855
5293 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5295 (df_ru_bb_local_compute): Reversed statements and removed bogus
5296 comment explaining why they should be in wrong order.
5297 (df_ru_dump, df_rd_dump): Enhanced debug info.
5298 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5300 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5301 reaching uses and fixed space problem.
5303 2006-05-23 Jan Hubicka <jh@suse.cz>
5305 * cgraphunit.c (decide_is_function_needed): Also nested functions
5306 and functions declared inline can be optimized out at -O0.
5308 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5310 * doc/install.texi (Configuration): Remove reference to CrossGCC
5314 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5317 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5318 ix86_compare_emitted is non-NULL.
5320 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5323 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5326 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5328 PR rtl-optimization/25514
5329 * combine.c (replaced_rhs_insn): New variable.
5330 (combine_instructions): Set replaced_rhs_insn when trying to replace
5331 a SET_SRC with a REG_EQUAL note.
5332 (distribute_notes): Use replaced_rhs_insn when determining the live
5333 range of a REG_DEAD register.
5335 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5336 Anatoly Sokolov <aesok@post.ru>
5338 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5339 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5340 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5341 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5342 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5343 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5344 at90usb647, at90usb1286 and at90usb1287 devices.
5345 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5346 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5348 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5350 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5352 2006-05-22 Richard Guenther <rguenther@suse.de>
5355 2006-01-31 Richard Guenther <rguenther@suse.de>
5356 Paolo Bonzini <bonzini@gnu.org>
5358 * doc/install.texi (--disable-libgcc-math): Document.
5360 2006-05-22 Richard Guenther <rguenther@suse.de>
5363 2006-01-31 Richard Guenther <rguenther@suse.de>
5365 * doc/invoke.texi (-msselibm): Document.
5366 * target.h (expand_library_builtin): New target hook.
5367 * builtins.c (expand_builtin): Use expand_library_builtin.
5368 (default_expand_library_builtin): New function.
5369 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5370 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5371 (link_gcc_math_spec): Declare.
5372 (static_specs): Add link_gcc_math_spec.
5373 * expr.h (default_expand_library_builtin): Declare.
5374 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5375 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5376 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5377 * config/i386/i386.opt (msselibm): New target option.
5378 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5379 (ix86_init_sse_abi_builtins): New function.
5380 (ix86_expand_library_builtin): Likewise.
5381 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5382 (override_options): Handle error conditions wrt -msselibm.
5383 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5384 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5385 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5388 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5391 * c-common.c (self_promoting_args_p): Skip erroneous args.
5394 * c-decl.c (finish_struct): Skip erroneous fields.
5396 2006-05-22 Nick Clifton <nickc@redhat.com>
5398 * config/cris/cris.opt (march): Remove VarExists attribute.
5399 (max-stackframe=): Likewise.
5401 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5403 * doc/rtl.texi: Fix a typo.
5404 * see.c: Fix comment typos.
5406 * tree-ssa-structalias.h (alias_info): Remove num_references.
5408 2006-05-21 Mike Stump <mrs@apple.com>
5410 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5412 (darwin_pragma_options): Use BAD instead.
5413 (darwin_pragma_unused): Likewise.
5414 (darwin_pragma_ms_struct): Likewise.
5416 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5418 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5420 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5422 PR rtl-optimization/27671
5423 * simplify-rtx.c (simplify_relational_operation_1): Fix
5424 simplifications of (eq/ne (xor x y) y) and
5425 (eq/ne (xor x y) x).
5427 PR tree-optimization/26622.
5428 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5431 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5433 * tree-cfg.c: Prune whitespace.
5434 (debug_tree_cfg): Point to correct header containing the
5437 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5440 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5442 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5445 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5446 or sorry count is non zero.
5448 2006-05-20 Andreas Schwab <schwab@suse.de>
5450 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5452 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5453 Kenneth Zadeck <zadeck@naturalbridge.com>
5455 PR rtl-optimization/26855
5457 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5459 (df_scan_alloc): Added code to properly handle multiword hard
5460 registers and add all_blocks parameter.
5461 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5462 code to properly handle multiword hard registers.
5463 (df_rescan_blocks): Added code to remove deleted blocks from
5465 (df_ref_create_structure, df_ref_record): Added code to properly
5467 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5468 and set DF_REF_PARTIAL.
5469 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5470 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5471 (df_scan_add_problem): Added flags parameter.
5472 (df_ref_create_structure): Changed switching structure.
5473 (df_bb_refs_record): Fixed case where duplicate artificial refs
5474 were created. Changed location of flags.
5475 (df_record_entry_block_defs): Added code to make stack pointer
5476 live in entry block. Refined cases where frame pointer is needed.
5477 Changed location of flags.
5478 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5479 (df_set_state): Removed function.
5480 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5481 df_insn_create_insn_record, df_insn_refs_delete,
5482 df_ref_create_structure): Formatting changes.
5483 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5484 df_delete_basic_block): New function.
5485 (df_init): Changed location of flags.
5486 (df_add_problem): Added flags parameter and the way flags are
5488 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5489 debug_df_chain): Improved debugging output.
5490 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5491 (df_refs_chain_dump): Removed df parameter.
5492 (df_iterative_dataflow): Added consistency check.
5493 (df_prune_to_subcfg): Made public.
5494 (df_analyze_problem): Added blocks_to_init parameter and made
5496 (df_ref_record, df_bb_refs_record, df_mark_reg,
5497 df_record_exit_block_uses): Whitespace changes.
5498 (df_dump): Whitespace changes.
5499 * df.h: Some reordering to remove forward references.
5500 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5501 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5502 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5503 (dataflow.flags): New field.
5504 (df.flag): Deleted field.
5505 (df_alloc_function): Added additional bitmap parameter.
5506 (df_dependent_problem_function): New type.
5507 (df_problem.changeable_flags): New field.
5508 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5509 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5510 (df_mw_hardreg): New struct.
5511 (DF_INSN_UID_MWS): New macro.
5512 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5514 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5515 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5516 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5517 (df_set_state): Removed function.
5518 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5519 * df-problems.c (df_chain_dump): Removed df parameter.
5520 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5521 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5523 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5524 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5525 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5526 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5527 DF_REF_MUST_CLOBBER cases.
5528 (df_ru_bb_local_compute_process_def,
5529 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5530 df_lr_bb_local_compute, df_ur_bb_local_compute,
5531 df_chain_create_bb): Made subreg aware.
5532 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5533 df_lr_bb_local_compute, df_lr_bb_local_compute,
5534 df_chain_create_bb): Cleanup to use proper macros.
5535 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5536 code to fixup bitvectors.
5537 (df_ri_alloc): Cleared lifetime.
5538 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5539 df_create_unused_note): New function.
5540 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5541 REG_DEAD and REG_UNUSED notes as well as register information.
5542 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5543 df_chains_dump): Fixed crash if problem was never run.
5544 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5545 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5546 df_ri_add_problem): Processes flags in uniform manner.
5547 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5548 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5549 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5550 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5551 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5552 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5553 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5554 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5555 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5556 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5557 * see.c (see_initialize_data): Ditto.
5558 * final.c (rest_of_clean_state) Added regstack_completed.
5559 * rtl.h (regstack_completed): Ditto.
5560 * reg-stack.c (regstack_completed): Ditto.
5562 2006-05-19 Mike Stump <mrs@apple.com>
5564 * c-tree.h (default_conversion): Remove.
5565 * c-common.h (default_conversion): Add.
5567 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5569 * tree-vrp.c (valid_value_p): New function.
5570 (adjust_range_with_scev): Fail if the value of bound is not
5573 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5575 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5576 (mips_fallback_frame_state): Use syscall numbers to determine
5577 the appropriate li instruction for the current ABI. Only use
5578 __NR_sigreturn for o32.
5580 2006-05-19 Nicolas Setton <setton@adacore.com>
5582 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5583 * langhooks.c (lhd_dwarf_name): New function.
5584 * langhooks-def.h (lhd_dwarf_name): Declare.
5585 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5586 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5587 * ada/misc.c (gnat_dwarf_name): New function.
5588 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5590 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5592 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5594 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5595 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5596 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5597 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5598 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5599 determine the size of Wtype, etc.
5600 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5601 (swfloatfuncs): New variable.
5602 (dwfloatfuncs): Likewise.
5603 (lib2funcs): Remove floating-point conversion functions from
5604 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5605 the set of conversion routines needed. Allow entries to specify
5606 an object name, filename and word size. Update users accordingly.
5607 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5608 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5612 2006-02-08 Roger Sayle <roger@eyesopen.com>
5615 * config/fixtfdi.c: New libgcc source file.
5616 * config/fixunstfdi.c: New source file.
5617 * config/floatditf.c: New source file.
5618 * config/floatunditf.c: New souce file.
5619 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5620 files above instead of config/mips/_tilib.c.
5621 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5623 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5625 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5626 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5628 2006-05-18 Mike Stump <mrs@apple.com>
5630 Fix up vla, vm and [*] sematics.
5636 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5637 (c_vla_unspec_p): Add.
5638 (c_vla_type_p): Add.
5639 * c-decl.c (struct c_scope): Add had_vla_unspec.
5640 (build_array_declarator): Add support for [*].
5641 (grokdeclarator): Likewise.
5642 (grokparms): Likewise.
5643 (get_parm_info): Likewise.
5644 * c-objc-common.c (c_vla_unspec_p): Likewise.
5645 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5646 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5647 typeof when argument is a variably modified type not inside sizeof or alignof.
5648 (c_parser_direct_declarator_inner): Propagate errors.
5649 (c_parser_sizeof_expression): Add support for [*].
5650 (c_parser_parms_declarator): Initialize had_vla_unspec.
5651 (c_parser_parms_list_declarator): Likewise.
5652 * c-typeck.c (c_vla_type_p): Add.
5653 (composite_type): Add support for vla compositing.
5654 (comptypes_internal): Add support for vla compatibility.
5655 (c_expr_sizeof_expr): Evaluate vla arguments.
5656 * tree.c (variably_modified_type_p): Update comment for [*].
5658 2006-05-18 Michael Matz <matz@suse.de>
5661 * config.host: Make assignments to host_xmake_file cumulative.
5662 * config.host (*-darwin*): Test $host, not $target.
5664 2006-05-12 Stuart Hastings <stuart@apple.com>
5666 * config/i386/i386.opt (-mstackrealign): New flag.
5667 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5668 (ix86_handle_cconv_attribute): Emit error when
5669 force_align_arg_pointer attribute collides with too many regparms.
5670 (ix86_function_regparm): Limit regparms when used with
5671 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5672 Support stack-realigning prologue in non-main functions. Emit
5673 warning for nested functions under -mstackrealign, emit error for
5674 nested functions with force_align_arg_pointer attribute.
5675 * doc/extend.texi (force_align_arg_pointer): Document it.
5676 * doc/invoke.texi (-mstackrealign): Document it.
5678 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5680 PR rtl-optimization/27477
5681 * combine.c (try_combine): Don't split a parallel consisting
5682 of two sets into two individual sets if both sets reference
5685 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5687 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5688 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5690 * doc/options.texi (VarExists): Updated.
5692 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5694 * unwind-dw2.c: Add declarations for uw_update_context and
5696 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5697 detected, advance frame state and context once to skip over stub.
5699 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5703 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5704 Call rewrite_into_loop_closed_ssa only when something changed.
5705 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5706 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5707 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5708 Test for perfect_nest_p here. Fix formating.
5709 (replace_uses_equiv_to_x_with_y): Fix formating.
5710 (stmt_uses_op): Removed.
5711 (can_convert_to_perfect_nest): Removed loopivs parameter.
5712 Complete the test by checking the scalar dependences.
5713 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5716 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5719 From Dan Kegel <dank@kegel.com>:
5720 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5722 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5724 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5725 if the element type is variably modified without recursing.
5727 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5730 * tree-loop-linear.c (try_interchange_loops): Test for
5731 no data dependences.
5733 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5735 PR tree-optimization/27548
5736 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5737 range of ssa names that appear on abnormal edges.
5738 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5739 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5741 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5744 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5746 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5749 * tree.h (OMP_PARALLEL_COMBINED): Define.
5750 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5751 (new_omp_context): Add is_combined_parallel argument.
5752 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5753 new_omp_context caller.
5754 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5755 Adjust gimplify_scan_omp_clauses callers.
5756 (omp_is_private): Issue errors if iteration variable is firstprivate
5757 or reduction in the current context.
5758 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5759 on combined parallel workshare constructs.
5761 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5763 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5764 (gcc-options.o): New rule.
5766 * optc-gen.awk: Protect variables for gcc-options.o with
5767 #ifdef GCC_DRIVER/#endif.
5769 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5771 Fix PR tree-optimization/27373
5772 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5773 (forward_propagate_addr_expr): Update call.
5775 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5777 * doc/options.texi: Move the Negative option.
5779 2006-05-16 Richard Guenther <rguenther@suse.de>
5781 PR tree-optimization/22303
5782 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5784 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5785 ccp_fold did not simplify the statement.
5787 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5790 * Makefile.in (GCC_OBJS): New.
5791 (OBJS-common): Add opts-common.o.
5792 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5793 (cpp$(exeext)): Likewise.
5794 (gcc.o): Also depend on opts.h.
5795 (opts-common.o): New.
5797 * common.opt (gcoff): Add Negative(gdwarf-2).
5798 (gdwarf-2): Add Negative(gstabs).
5799 (gstabs): Add Negative(gstabs+).
5800 (gstabs+): Add Negative(gvms).
5801 (gvms): Add Negative(gxcoff).
5802 (gxcoff): Add Negative(gxcoff+).
5803 (gxcoff+): Add Negative(gcoff).
5804 * config/i386/i386.opt (m32): Add Negative(m64).
5805 (m64): Add Negative(m32).
5807 * doc/options.texi: Document the Negative option.
5809 * gcc.c: Include "opts.h".
5810 (main): Call prune_options after expandargv.
5812 * optc-gen.awk: Generate common declarations for all flag
5813 variables in options.c. Output the neg_index field.
5815 * opts.c (find_opt): Moved to ...
5816 * opts-common.c: Here. New file.
5818 * opts.h (cl_option): Add a neg_index field.
5820 (prune_options): Likewise.
5822 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5825 * omp-low.c (expand_omp_parallel): Don't assert
5826 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5827 instead search for it.
5830 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5833 2006-05-16 Andreas Schwab <schwab@suse.de>
5835 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5838 2006-05-15 Roger Sayle <roger@eyesopen.com>
5841 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5842 integer constants other than zero are only legitimate on TARGET_64BIT.
5843 <CONST_VECTOR> Only zero vectors are legitimate.
5844 (ix86_cannot_force_const_mem): Integral and vector constants can
5845 always be put in the constant pool.
5847 2006-05-16 DJ Delorie <dj@redhat.com>
5849 * crtstuff.c (__dso_handle): Set section from
5850 TARGET_LBIGCC_SDATA_SECTION if defined.
5851 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5852 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5854 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5857 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5860 2006-05-16 Ben Elliston <bje@au.ibm.com>
5862 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5864 2006-05-15 Per Bothner <per@bothner.com>
5866 * tree.c: (last_annotated_node): Use source_locus typedef.
5867 This permits bootstrapping with --enable-mapped-location.
5869 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5871 PR tree-optimization/26830
5872 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5873 (info_for_ssa_name, current_info_for_ssa_name_age,
5874 blocks_to_update): New variables.
5875 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5876 (clear_ssa_name_info, initialize_flags_in_bb,
5877 mark_block_for_update): New functions.
5878 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5879 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5880 prepare_def_site_for): Use mark_block_for_update.
5881 (mark_def_interesting): Assert that the processed block is marked in
5882 blocks_to_update. Do not take blocks argument.
5883 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5885 (rewrite_update_init_block, rewrite_update_stmt): Only process
5886 blocks with statements to rewrite.
5887 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5888 (update_ssa): Initialize and free blocks_to_update. Do not
5889 clear flags on statements. Do not use blocks bitmap.
5890 * tree.h (SSA_NAME_AUX): Removed.
5891 (struct tree_ssa_name): Removed aux field.
5892 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5894 2006-05-15 Richard Guenther <rguenther@suse.de>
5896 PR tree-optimization/27603
5897 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5898 Do computations in original type.
5900 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5902 * see.c: Code style changes such as redundant paranthesis,
5903 redundant intialization of local variables etc.
5904 (see_main): Declared now as static.
5905 * doc/invoke.texi: Update that -fsee is not enabled by
5908 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5910 * omp-low.c (check_omp_nesting_restrictions): New function.
5911 (scan_omp_1): Call it.
5914 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5915 construct, return *VAR.
5917 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5919 PR rtl-optimization/27406
5920 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5923 2006-05-14 Roger Sayle <roger@eyesopen.com>
5925 PR rtl-optimization/27538
5926 * combine.c (expand_compound_operation): Call gen_lowpart
5927 before calling simplify_shift_const.
5929 2006-05-14 Roger Sayle <roger@eyesopen.com>
5931 PR rtl-optimization/22563
5932 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5933 a fixed width bitfield, always force the intermediates into psuedos.
5935 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5938 * mkconfig.sh: Use operator = instead of == for test.
5940 2006-05-13 Nick Clifton <nickc@redhat.com>
5942 * dwarf2out.c (dbx_reg_number): Check return value from
5943 LEAF_REG_REMAP and only use it if it is valid.
5944 (multiple_reg_loc_descriptor): Likewise.
5946 2006-05-13 Richard Guenther <rguenther@suse.de>
5948 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5951 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5953 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5954 information attached to non-INSNs such as NOTEs.
5955 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5957 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5959 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5961 * config/s390/s390.md: Adjust comment describing On constraint.
5963 2006-05-11 Jan Hubicka <jh@suse.cz>
5965 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5966 to be output at -O0.
5968 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5971 * fold-const.c (size_binop): Move sanity check for arguments to
5972 the beginning of the function.
5975 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5978 2006-05-11 Richard Guenther <rguenther@suse.de>
5981 * fold-const.c (fold_unary): Handle intermediate conversion
5982 to a pointer type like intermediate conversion to an integer
5983 type in folding of (T1)(T2)var to var.
5984 Match the code to the comment in the final conversion for
5985 (T1)(T2)var to (T1)var regarding to type precision. Rather
5986 than disallow T1 being of pointer type, assert that both T1
5987 and var are of pointer type or not. Make sure not to fall
5988 over the frontends lazyness wrt array to pointer decay though.
5990 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5992 * arm.c (arm_struct_value_rtx): Delete.
5993 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5994 (arm_init_cumulative_args): Always initialize nregs to zero.
5996 2006-05-10 Richard Guenther <rguenther@suse.de>
5998 PR tree-optimization/27532
5999 * tree-object-size.c (plus_expr_object_size): Fix typo.
6001 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6004 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6005 ashrdi_const, ashrdi3): Use a scratch register.
6007 2006-05-10 Richard Guenther <rguenther@suse.de>
6009 PR tree-optimization/27302
6010 * fold-const.c (operand_equal_p): For two comparisons,
6011 try comparison of one comparison code swapped if that yields
6014 2006-05-10 Ben Elliston <bje@au.ibm.com>
6016 * tree-pretty-print.c (pretty_print_string): No need to handle
6017 '\0' as a special character.
6019 * tree.h: Include "hashtab.h".
6020 (iterative_hash_expr): Use hashval_t in its prototype.
6021 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6023 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6026 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6027 (hppa*64*-*-hpux11*): Ditto.
6028 (hppa[12]*-*-hpux11*): Ditto.
6030 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6033 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6035 2006-05-09 Michael Matz <matz@suse.de>
6037 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6038 host_extra_gcc_objs and host_xmake_file.
6039 (<*-*-linux*>): Don't overwrite host_xmake_file.
6040 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6041 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6042 (host_detect_local_cpu): Declare.
6043 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6044 * config/i386/i386.c (override_options): Handle -mtune=native
6046 * config/i386/x-i386: New file.
6047 * config/i386/driver-i386.c: New file.
6048 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6051 2006-05-09 Dirk Mueller <dmueller@suse.de>
6052 Richard Guenther <rguenther@suse.de>
6055 * fold-const.c (fold_read_from_constant_string): Relax check
6056 for matching types to matching modes.
6058 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6060 PR rtl-optimization/27335
6061 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6064 2006-05-08 Chao-ying Fu <fu@mips.com>
6065 Richard Sandiford <richard@codesourcery.com>
6067 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6068 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6069 * config/mips/mips.md (UNSPEC_SCC): New constant.
6070 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6071 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6072 (mips_emit_compare): Use it.
6073 (mips_expand_vcondv2sf): New function.
6075 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6077 Fix PR tree-optimization/27093
6078 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6079 renaming when they become not-used_alone.
6081 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6083 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6084 relocation and relocation stubs.
6086 2006-05-08 Eric Christopher <echristo@apple.com>
6088 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6091 2006-05-08 Jan Hubicka <jh@suse.cz>
6094 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6095 unused static functions are needed.
6097 2006-05-08 Roger Sayle <roger@eyesopen.com>
6100 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6101 of a reg_equiv_constant if the result is a legitimate constant.
6103 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6106 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6107 standard 80387 constants, raise the cost to prevent
6108 compress_float_constant() to generate load from memory.
6110 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6112 * config/arm/constraints.md (c): Fix a typo.
6114 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6117 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6120 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6122 (_mm_mwait): Likewise.
6124 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6126 (sse3_monitor): Make it 32bit only.
6127 (sse3_monitor64): New. 64bit monitor.
6129 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6132 * config/i386/i386.c (classify_argument): Skip fields with invalid
6135 2006-05-07 Richard Guenther <rguenther@suse.de>
6137 PR tree-optimization/27409
6138 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6139 Do not try to find zero-sized subvars.
6141 2006-05-07 Richard Guenther <rguenther@suse.de>
6143 PR tree-optimization/27136
6144 * tree-ssa-loop-niter.c (get_val_for): Correct function
6145 comment, assert requirements.
6146 (loop_niter_by_eval): Stop processing if the iterated
6147 value did not simplify.
6149 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6151 * opts.c (flag_see): remove its setting at -O3.
6153 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6155 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6156 * arm/constraints.md: New file.
6157 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6158 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6159 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6160 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6161 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6162 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6163 * arm.md: Include constraints.md.
6164 (thumb_movsi_insn): Use satisfies_constraint_J.
6165 (movhi, movqi): Use satisfies_constraint_I.
6167 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6169 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6170 for atmeg a645 device.
6172 2006-05-06 Richard Guenther <rguenther@suse.de>
6174 PR tree-optimization/27151
6175 * tree-vect-transform.c (vectorizable_condition): Punt on
6176 values that have a different type than the condition.
6178 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6181 * c-parser.c (c_parser_cast_expression): Only insert casts into
6182 hash table if pointer.
6183 * function.c (used_types_insert_helper): Rename from
6185 (used_types_insert): Call used_types_insert_helper.
6186 * function.h (used_types_insert): Accept only one argument.
6188 2006-05-05 David Edelsohn <edesohn@gnu.org>
6190 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6191 scratch with output modifier.
6193 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6196 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6197 with output modifier.
6199 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6202 * config/mips/mips.c (mips_symbolic_address_p): Return true
6203 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6204 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6206 2006-05-04 Richard Guenther <rguenther@suse.de>
6208 PR tree-optimization/14287
6209 PR tree-optimization/14844
6210 PR tree-optimization/19792
6211 PR tree-optimization/21608
6212 PR tree-optimization/27090
6213 * tree-ssa-pre.c (try_combine_conversion): New function.
6214 (compute_avail): After constructing the value-handle
6215 expression, use try_combine_conversion to combine NOP_EXPRs
6216 with previous value-handle expressions and use the result if it
6219 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6221 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6223 2006-05-04 Jan Hubicka <jh@suse.cz>
6226 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6228 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6230 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6231 that this only matches CONST_INTs. All users changed to VOIDmode
6234 * config/bfin/bfin.c: Include "optabs.h".
6235 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6237 (enum bfin_builtins): Add a number of fractional and vector builtins.
6238 (bfin_init_builtins): Likewise.
6239 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6240 (safe_vector_operand, bfin_expand_binop_builtin,
6241 bfin_expand_unop_builtin): New functions.
6242 (bfin_expand_builtin): Handle the new builtins.
6243 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6246 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6249 * Makefile.in (OBJS-common): Add see.o.
6250 (see.o): Add dependencies.
6251 * common.opt (fsee): New flag for the see optimization was added.
6252 * opts.c (flag_see): Initialized.
6253 * passes.c (init_optimization_passes, pass_see): New pass.
6254 * rtl.h (see_main): Declaration as extern.
6255 * timevar.def (TV_SEE): New.
6256 * tree-pass.h (pass_see): Declaration as extern.
6257 * invoke.texi (-fsee): Document.
6258 * recog.c (validate_simplify_insn): New function.
6259 * recog.h (validate_simplify_insn): Declaration as extern.
6260 * df-problems.c (df_chain_dump): Check for NULL.
6262 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6263 Daniel Berlin <dberlin@dberlin.org>
6265 * cfgrtl.c (insert_insn_bb_end_new): New function.
6266 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6268 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6270 * df.h (struct web_entry): Moved from web.c.
6271 (union_defs): Declaration as extern.
6272 (unionfind_root): Likewise.
6273 (unionfind_union): Likewise.
6274 * web.c (struct web_entry): Moved to df.h.
6275 (unionfind_root): Remove static declaration.
6276 (unionfind_union): Likewise.
6277 (union_defs): Likewise and generalize to use callback function.
6278 (web_main): Update arguments for union_defs function call.
6280 2006-05-04 Richard Guenther <rguenther@suse.de>
6282 PR tree-optimization/26447
6283 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6284 produce SSA_NAME copies before the store stmt to avoid
6285 breaking exception handling.
6287 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6290 * gimplify.c (omp_is_private): If var is shared in some outer context,
6291 return false instead of true. Stop searching on parallel context
6294 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6297 * coverage.c: Use get_gcov_unsigned_t() instead of
6298 unsigned_type_node all over.
6300 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6302 PR tree-optimization/27381
6303 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6304 maintain the same immediate_use links.
6305 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6306 node rather than segfaulting.
6308 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6311 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6312 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6313 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6315 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6317 Fix PR tree-optimization/26626
6318 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6320 * tree-ssa-operands.c (access_can_touch_variable): Allow
6321 typecasting through union pointers.
6323 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6326 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6327 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6328 to find if var will be a global variable even in the nested context.
6329 (omp_copy_decl): Only check for global variable at the end, it might
6330 be overridden in outer contexts.
6331 (scan_sharing_clauses): For global variables don't create a field.
6332 (lower_rec_input_clauses): Do nothing for global shared variables.
6333 Emit a barrier at the end of ILIST if there were any decls in both
6334 firstprivate and lastprivate clauses.
6335 (lower_send_clauses): Do nothing for global variables except for
6338 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6340 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6341 of the correct signedness is returned.
6343 2006-05-02 Jeff Law <law@redhat.com>
6345 PR tree-optimization/27364
6346 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6347 multiply expressions.
6349 2006-05-02 Tom Tromey <tromey@redhat.com>
6351 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6353 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6356 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6357 -mthumb -fPIC are used.
6359 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6360 Joshua Kinard <kumba@gentoo.org>
6363 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6364 with 64-bit pointers.
6366 2006-05-02 Paul Brook <paul@codesourcery.com>
6368 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6370 (create_fix_barrier): Check that a suitable barrier location is
6372 (arm_reorg): Include ftmp->address in allowable range of addresses.
6374 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6377 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6380 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6383 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6384 around RESULT_DECL for result passed by reference.
6385 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6386 * omp-low.c (use_pointer_for_field): Don't look at
6387 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6388 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6389 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6390 time or var for passing by reference for
6391 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6392 TREE_ADDRESSABLE variables when passing by reference.
6394 * omp-low.c (dump_omp_region): Fix output formatting.
6397 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6398 (expand_omp_parallel): Likewise.
6399 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6402 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6403 on statement list containing also constructors and destructors.
6404 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6407 * except.c (duplicate_eh_regions): Fix clearing of
6408 cfun->eh->region_array entries.
6410 2006-05-01 DJ Delorie <dj@redhat.com>
6412 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6414 (gcc_cv_objdump): Likewise.
6415 * configure: Regenerated.
6417 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6420 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6421 templates for case 3 and 4.
6423 2006-05-01 DJ Delorie <dj@redhat.com>
6425 * vec.c: Include bconfig.h when appropriate.
6426 * Makefile.in (build/vec.o): Adjust dependencies.
6427 * mkconfig.sh: Make sure config.h isn't used for build machine
6430 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6432 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6434 (mark_phi_for_rewrite): New function.
6435 (insert_phi_nodes_for, mark_use_interesting): Call
6436 mark_phi_for_rewrite.
6437 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6438 (update_ssa): Initialize and free phis_to_rewrite.
6440 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6442 PR rtl-optimization/27291
6443 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6444 folded to a constant.
6446 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6448 PR tree-optimization/27283
6449 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6450 not whole # of iteration descriptions.
6451 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6452 uses abnormal ssa name.
6453 (niter_for_single_dom_exit): Ditto.
6454 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6455 return just the number of iterations.
6457 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6459 PR tree-optimization/27144
6460 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6461 (record_estimate): Only record constant upper bound.
6462 (infer_loop_bounds_from_undefined): Call
6463 compute_estimated_nb_iterations just once.
6464 (proved_non_wrapping_p): Renamed to ...
6465 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6466 (convert_step_widening, scev_probably_wraps_p): Call
6467 n_of_executions_at_most instead of proved_non_wrapping_p.
6468 (substitute_in_loop_info): Do not replace values in bounds.
6469 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6472 2006-05-01 Richard Henderson <rth@redhat.com>
6475 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6476 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6479 2006-05-01 Roger Sayle <roger@eyesopen.com>
6481 * c-typeck.c (parser_build_binary_op): Don't call the function
6482 unsigned_conversion_warning to spot operand/result type overflow.
6483 (build_binary_op): Instead, call convert_and_check instead of
6484 convert to report the problem when the operands are promoted.
6485 * c-common.c (unsigned_conversion_warning): Make static.
6486 * c-common.h (unsigned_conversion_warning): Delete prototype.
6488 2006-05-01 Richard Guenther <rguenther@suse.de>
6490 PR tree-optimization/26726
6491 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6493 (find_interesting_uses_address): ... we work around here
6494 by folding INDIRECT_REFs in the substituted base.
6496 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6498 * omp-low.c (dump_omp_region): Add newlines.
6500 2006-04-30 Roger Sayle <roger@eyesopen.com>
6502 * common.opt (Woverflow): New command line option.
6503 * c-common.c (constant_expression_warning): Check warn_overflow.
6504 (overflow_waring): Pass OPT_Woverflow to warning.
6505 (unsigned_conversion_warning): Likewise.
6506 (convert_and_check): Likewise.
6507 * doc/invoke.texi: Document new command line option.
6509 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6511 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6512 TARGET_NO_FP_IN_TOC for section anchors.
6513 (optimization_options): Enable section anchors for all
6514 non-"Objective" languages.
6516 2006-04-28 Eric Christopher <echristo@apple.com>
6518 * config/darwin-c.c (darwin_ms_struct): Move this
6519 (darwin_set_default_type_attributes): and this...
6520 * config/darwin.c: ... here.
6521 * config/darwin.h (darwin_ms_struct): Declare.
6523 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6525 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6527 2006-04-28 Roger Sayle <roger@eyesopen.com>
6530 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6531 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6532 an unsigned HOST_WIDE_INT.
6533 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6535 (really_start_incremental_init): No need to call convert because
6536 bitsize_zero_node is already of type bitsizetype.
6537 (push_init_level): Extract the value of constructor_index as an
6538 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6539 (process_init_element): Likewise.
6541 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6543 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6544 value before passing to make_relative_prefix.
6546 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6549 * builtins.c (expand_builtin_memset): Expand val in original mode.
6551 2006-04-27 Eric Christopher <echristo@apple.com>
6553 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6554 with #ifndef/#endif.
6555 * config/darwin-c.c (darwin_ms_struct): New.
6556 (darwin_pragma_ms_struct): Ditto.
6557 (darwin_set_default_type_attributes): Ditto.
6558 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6559 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6560 Register ms_struct pragma.
6561 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6562 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6563 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6564 darwin_set_default_type_attributes if TARGET_MACHO.
6566 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6568 PR tree-optimization/26854
6569 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6570 * doc/tree-ssa.texi: Update immuse iterator documentation.
6571 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6572 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6573 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6574 first_safe_imm_use, next_safe_imm_use): Remove.
6575 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6576 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6577 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6578 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6579 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6580 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6581 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6582 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6583 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6584 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6585 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6586 (perfect_nestify): Use new iterator.
6587 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6589 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6590 (next_imm_name): New field in struct immediate_use_iterator_d.
6591 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6592 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6593 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6594 * tree-cfg.c (replace_uses_by): Use new iterator.
6595 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6596 * tree-ssa-operands.c (correct_use_link): Remove.
6597 (finalize_ssa_use_ops): No longer call correct_use_link.
6599 2006-04-27 Stuart Hastings <stuart@apple.com>
6601 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6602 * config/t-darwin (crt3.o): Use it.
6603 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6604 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6605 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6606 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6607 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6610 2006-04-27 Roger Sayle <roger@eyesopen.com>
6612 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6613 size, force the intermediate into a new pseudo rather instead of
6614 performing both a bitwise AND and a bitwise IOR in memory.
6616 2006-04-27 Richard Guenther <rguenther@suse.de>
6618 PR rtl-optimization/26685
6619 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6620 this one "max-flow-memory-locations".
6622 2006-04-27 Richard Guenther <rguenther@suse.de>
6624 PR tree-optimization/25148
6625 * tree-vrp.c (compare_values): Remove code dealing with
6626 comparisons against type min/max value. Honour overflow
6627 and negative constants in code dealing with comparisons
6628 of plus and minus expressions.
6629 (value_inside_range): Use fold_binary with LE_EXPR and
6630 GE_EXPR rather than compare_values.
6632 2006-04-27 Dirk Mueller <dmueller@suse.de>
6634 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6637 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6639 * basic-block.h (safe_insert_insn_on_edge): Removed.
6640 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6642 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6643 Paolo Bonzini <bonzini@gnu.org>
6646 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6647 (simplify_and_const_int): Same.
6649 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6651 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6653 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6656 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6657 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6658 cgraph_global_info_ready.
6661 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6664 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6665 either decl or init is error_mark_node.
6668 * tree-flow.h (struct omp_region): Add sched_kind.
6669 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6670 instead of extracting omp for data.
6671 (expand_omp_for): Save extracted sched_kind.
6673 2006-04-25 Roger Sayle <roger@eyesopen.com>
6675 * expmed.c (store_bit_field): Also check whether the bitsize is
6676 valid for the machine's "insv" instruction before moving the
6677 target into a pseudo for use with the insv.
6678 * config/i386/predicates.md (const8_operand): New predicate.
6679 * config/i386/i386.md (extv, extzv, insv): Use the new
6680 const8_operand predicate where appropriate.
6682 2006-04-25 DJ Delorie <dj@redhat.com>
6684 * doc/install.texi (Specific): Clarify that this is not a list of
6685 supported hosts or targets.
6687 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6689 PR rtl-optimization/26725
6690 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6691 block's BB_DIRTY flag.
6693 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6695 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6698 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6699 to print an integer.
6701 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6703 * varasm.c (align_variable): New function.
6704 (get_block_for_decl): Apply align_variable to DECL before
6705 calculating section information.
6706 (assemble_variable): Split out alignment computation.
6708 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6710 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6713 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6715 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6716 MODE_PARTIAL_INT mode.
6717 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6718 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6720 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6721 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6723 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6725 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6727 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6728 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6729 MACFLAG_IH): Likewise.
6730 (movstricthi_1): Renamed from "*movstricthi".
6731 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6732 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6733 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6734 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6735 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6736 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6737 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6738 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6739 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6740 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6741 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6742 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6743 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6744 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6745 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6747 * doc/rtl.texi (ss_ashift): Improve wording.
6749 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6751 * dwarf2out.c (verify_marks_clear): New.
6752 (prune_unused_types): Call verify_marks_clear initially, not
6755 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6757 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6758 * doc/rtl.texi: Document them.
6759 * simplify-rtx.c (simplify_unary_operation,
6760 simplify_binary_operation_1): Don't abort when we see them.
6762 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6765 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6766 * configure.ac: Completely disregard languages that are not
6768 * configure: Regenerated.
6770 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6771 Richard Guenther <rguenther@suse.de>
6773 PR tree-optimization/27236
6774 * tree-inline.c (copy_body_r): Make sure to copy
6775 TREE_THIS_VOLATILE flag.
6777 2006-04-24 Richard Guenther <rguenther@suse.de>
6780 * tree-complex.c (update_parameter_components): Don't handle
6781 unused parameters which have no default def.
6783 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6784 Richard Guenther <rguenther@suse.de>
6786 PR tree-optimization/27218
6787 * tree-inline.c (expand_call_inline): Strip useless type
6788 conversions for the return slot address.
6790 2006-04-24 Richard Guenther <rguenther@suse.de>
6792 * cfgloop.h (struct loops): Remove unused field array. Reorder
6794 (LOOP_PREFETCH): Remove.
6796 2006-04-24 Richard Guenther <rguenther@suse.de>
6798 PR tree-optimization/22525
6799 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6800 variable, adjust types of generated expressions.
6802 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6804 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6805 (tree-vect-patterns.o): Likewise.
6807 (cselib.o): Likewise.
6808 (loop-doloop.o): Likewise.
6809 (regclass.o): Likewise.
6810 (reload1.o): Likewise.
6811 (explow.o): Replace target.h with $(TARGET_H).
6812 (ipa-prop.o): Likewise.
6813 (ipa-cp.o): Likewise.
6814 (ipa-inline.o): Likewise.
6815 (reorg.o): Likewise.
6816 (reg-stack.o): Likewise.
6818 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6820 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6822 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6824 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6826 * configure.ac: Completely disregard languages that are not
6828 * configure: Regenerated.
6831 * c-common.h (c_build_bitfield_integer_type): Declare.
6832 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6833 * c-common.c (c_build_bitfield_integer_type): ... here.
6835 2006-04-23 Roger Sayle <roger@eyesopen.com>
6838 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6839 a SImode SUBREG of a floating point register after no_new_pseudos.
6841 2006-04-23 Roger Sayle <roger@eyesopen.com>
6843 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6844 identify potentially eliminable registers to additionally catch
6845 VIRTUAL_INCOMING_ARGS_REGNUM.
6846 (addsi3): Update the conditions on when to use addsi_small_int.
6848 2006-04-23 Roger Sayle <roger@eyesopen.com>
6851 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6852 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6853 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6855 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6857 * fold-const.c (range_predecessor): Use operand_equal_p
6858 as the predicate for equality.
6859 (range_successor): Likewise.
6861 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6864 * config/soft-fp/op-common.h: Fix a typo.
6866 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6869 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6870 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6872 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6874 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6876 * doc/tm.texi: Fix a typo.
6878 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6880 * dwarf2out.c (struct die_struct): Document that die_sib makes
6881 a circular linked list.
6882 (FOR_EACH_CHILD): New.
6883 (reverse_die_lists): Delete.
6884 (reverse_all_dies): Delete.
6885 (add_dwarf_attr): Correct documentation.
6886 (remove_child_with_prev): New.
6887 (remove_child_TAG): Update for change to die_struct, use
6888 remove_child_with_prev.
6889 (add_child_die): Update for change to die_struct.
6890 (splice_child_die): Use remove_child_with_prev and add_child_die.
6891 (print_die): Use FOR_EACH_CHILD.
6892 (die_checksum): Likewise.
6893 (assign_symbol_names): Likewise.
6894 (output_location_lists): Likewise.
6895 (build_abbrev_table): Likewise.
6896 (calc_die_sizes): Likewise.
6897 (mark_dies): Likewise.
6898 (unmark_dies): Likewise.
6899 (unmark_all_dies): Likewise.
6900 (output_die): Likewise.
6901 (prune_unused_types_mark): Likewise.
6902 (prune_unused_types_walk): Likewise.
6903 (same_die_p): Update for change to die_struct.
6904 (break_out_includes): Likewise.
6905 (prune_unused_types_prune): Likewise.
6906 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6907 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6909 (dwarf2out_finish): Don't call reverse_all_dies.
6911 2006-04-21 Eric Christopher <echristo@apple.com>
6913 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6914 in comments and function names.
6916 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6919 * c-typeck.c (digest_init): Robustify.
6921 * c-typeck.c (pop_init_level): Simplify.
6923 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6925 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6927 2006-04-21 Paul Brook <paul@codesourcery.com>
6929 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6930 hardware floating point.
6932 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6934 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6937 2006-04-21 Nick Clifton <nickc@redhat.com>
6939 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6942 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6945 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6946 C++ lang type in traceback table for Objective-C++.
6948 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6950 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6952 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6954 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6957 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6958 were errors. Remove check for erroneous objects.
6960 2006-04-20 Jeff Law <law@redhat.com>
6962 PR tree-optimization/26854
6963 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6964 checking for zero or one use.
6965 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6966 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6967 * tree-ssa-reassoc.c (negate_value): Similarly.
6968 (reassociate_bb): Similarly.
6970 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6972 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6973 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6974 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6976 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6978 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6979 fp regs if the last fp arg doesn't fit in regs.
6981 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6984 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6985 that the last insn has the REG_INC note.
6987 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6988 Nathan Sidwell <nathan@codesourcery.com>
6991 * stor-layout.c (update_alignment_for_field): Do not align
6993 (place_union_field): Place union field at the start of the union.
6994 (place_field): Move ERROR_MARK check later, and use the current
6995 allocation position to maintain monotonicity.
6997 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6999 * dominance.c: Include timevar.h.
7000 (calculate_dominance_info): Use TV_DOMINANCE.
7001 * timevar.def (TV_DOMINANCE): New timevar.
7002 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7004 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7006 PR rtl-optimization/14261
7007 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7008 move would be an INSV insn.
7009 (noce_process_if_block): Don't optimize if the destination is a
7010 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7012 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7014 * config/s390/s390.md: Add comments with the instructions emitted
7015 by an insn pattern if macros are used.
7017 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7019 PR rtl-optimization/26026
7020 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7021 is a known power of two shifted left a variable amount.
7023 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7025 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7026 to hash table twice when the debug_str section has SECTION_MERGE.
7028 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7030 * config/soft-fp: New directory. From glibc.
7031 * config/soft-fp/t-softfp: New.
7032 * config/soft-fp/README: New.
7033 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7034 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7035 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7036 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7037 * config.gcc: Use rs6000/t-fprules-fpbit or
7038 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7040 * config/rs6000/sfp-machine.h: New. Based on glibc.
7041 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7043 * config/rs6000/t-fprules: Remove fp-bit rules.
7044 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7045 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7046 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7047 (softfp_wrap_start, softfp_wrap_end): New.
7049 2006-04-18 DJ Delorie <dj@redhat.com>
7051 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7053 2006-04-18 Devang Patel <dpatel@apple.com>
7055 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7057 2006-04-18 Nick Clifton <nickc@redhat.com>
7059 * config/sh/t-symbian: Add rule to build sh-c.o
7060 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7061 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7062 (sh_symbian_encode_section_info): Likewise.
7064 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7066 * builtins.c (expand_builtin_strcmp): Cover label definition of
7067 do_libcall with HAVE_cmpstrnsi.
7069 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7071 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7073 * function.h (temp_slot_p): New.
7074 (function): Change the type of x_used_temp_slots to
7075 VEC(temp_slot_p,gc) *.
7077 2006-04-18 Nick Clifton <nickc@redhat.com>
7079 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7080 flag_strength_reduce.
7082 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7084 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7088 Partial revert of revision 112637
7089 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7090 Dale Johannesen <dalej@apple.com>
7093 * regclass.c (struct reg_pref): Update documentation.
7094 (regclass): Set prefclass to NO_REGS if memory is the best option.
7095 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7097 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7099 PR tree-optimization/26821
7100 * tree-ssa-math-opts.c (get_constant_one): New.
7101 (insert_reciprocals): Use it.
7103 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7105 * dwarf2out.c (free_AT): Delete.
7106 (remove_AT): Update string ref counts.
7107 (remove_child_TAG): Don't call free_die.
7109 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7110 or DW_TAG_GNU_EINCL.
7111 (prune_unused_types_walk_attribs): Reset string refcounts.
7112 (prune_unused_types_update_strings): New.
7113 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7114 call free_die. Do call prune_unused_types_update_strings.
7115 (prune_unused_types): Empty debug_str_hash.
7117 2006-04-17 Roger Sayle <roger@eyesopen.com>
7119 * expr.c (expand_assignment): Optimize away no-op moves where the
7120 source and destination are equal and have no side-effects.
7122 2006-04-17 Richard Guenther <rguenther@suse.de>
7125 * reload.c (push_reload): Guard calls to get_secondary_mem
7128 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7130 * alias.c (reg_base_value, old_reg_base_value): Change the
7131 type to VEC(rtx,gc) *.
7132 (REG_BASE_VALUE, find_base_value, record_set,
7133 init_alias_analysis): Use VEC instead of VARRAY.
7135 * alias.c (alias_sets): Change the type to
7136 VEC(alias_set_entry,gc) *.
7137 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7138 VEC instead of VARRAY.
7139 (last_alias_set): Remove.
7141 * cgraph.h (cgraph_edge_p): New.
7142 Update the prototype of cgraph_function_versioning.
7143 * cgraphunit.c (cgraph_copy_node_for_versioning,
7144 cgraph_function_versioning): Use VEC instead of VARRAY.
7145 * ipa-cp.c (ipcp_insert_stage): Likewise.
7147 2006-04-16 Roger Sayle <roger@eyesopen.com>
7150 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7151 "A op B" or "A op C", we may need to convert A to the type of B and C.
7153 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7155 * target.h (struct gcc_target): Add mode_rep_extended.
7156 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7157 (init_num_sign_bit_copies_in_rep): Initialize it using
7159 (truncate_to_mode): Use it.
7160 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7161 * targhooks.h (default_mode_rep_extended): Declare it.
7162 * targhooks.c (default_mode_rep_extended): Define it.
7163 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7164 default_mode_rep_extended.
7165 (TARGET_INITIALIZER): Include it.
7166 * doc/tm.texi (Misc): Document it.
7167 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7168 (mips_truncated_to_mode): New function.
7170 2006-04-16 Roger Sayle <roger@eyesopen.com>
7173 * expr.c (compress_float_constant): Copy the narrow constant into
7174 a new pseudo before extending it to its final width.
7176 2006-04-16 Roger Sayle <roger@eyesopen.com>
7177 Andrew Pinski <pinskia@gcc.gnu.org>
7178 Dale Johannesen <dalej@apple.com>
7181 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7182 special case code to implement V8HImode and V16QImode with SSE2.
7184 2006-04-15 Roger Sayle <roger@eyesopen.com>
7186 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7187 trees are constructed with a suitable tree type.
7189 2006-04-15 Roger Sayle <roger@eyesopen.com>
7191 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7192 (integer_onep): Likewise.
7193 (integer_all_onesp): Likewise.
7194 (integer_pow2p): Likewise.
7195 (integer_nonzerop): Likewise.
7196 (real_zerop): Likewise.
7197 (real_onep): Likewise.
7198 (real_twop): Likewise.
7199 (real_minus_onep): Likewise.
7200 (int_size_in_bytes): Likewise.
7201 (host_integerp): Likewise.
7203 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7205 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7206 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7207 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7209 * tree-ssa-structalias.h (alias_info): Remove num_references.
7211 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7213 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7214 (output_bvb patterns): Likewise.
7215 * pa.c (output_bb): Use 'bb' insn for long branch case.
7216 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7217 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7218 1. Correct length operand for alternatives 1 and 2.
7219 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7220 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7222 2006-04-14 Roger Sayle <roger@eyesopen.com>
7224 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7225 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7226 were accidentally reverted by r112959.
7228 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7231 * except.h (eh_region_outermost): New prototype.
7232 * except.c (eh_region_outermost): New function.
7233 * tree-cfg.c (find_outermost_region_in_block): Use it.
7235 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7237 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7239 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7240 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7241 (init_reload, reload): Use VEC instead of VARRAY.
7242 * reload.h: Update the prototype for
7243 reg_equiv_memory_loc_varray.
7245 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7246 Eric Botcazou <ebotcazou@libertysurf.fr>
7248 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7251 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7254 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7255 to expand fallback builtin function call.
7257 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7260 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7261 and emit libcall here in case the builtin fails.
7262 (expand_builtin_strcmp): Always emit the libcall here on failure.
7264 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7266 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7267 * flow.c (reg_n_info): Change the type to
7268 VEC(reg_info_p,heap) *.
7269 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7271 * regs.h (reg_info_p): New.
7272 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7273 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7274 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7277 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7279 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7281 * params.h (MAX_SCHED_READY_INSNS): New macro.
7282 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7283 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7284 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7285 the ready list for 1 cycle during the first scheduling pass.
7286 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7288 2006-04-13 Richard Henderson <rth@redhat.com>
7291 * gimple-low.c (lower_omp_directive): Remove dead code.
7292 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7293 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7294 * omp-low.c (struct omp_region): Move to tree-flow.h.
7295 (root_omp_region): Export.
7296 (omp_regions, lookup_omp_region): Remove.
7297 (determine_parallel_type): Update for struct omp_region changes.
7298 (dump_omp_region): Dump regions with block numbers.
7299 (new_omp_region): Take type and block instead of stmt; malloc
7301 (free_omp_region_1, free_omp_regions): New.
7302 (expand_parallel_call): Take entry_stmt as argument; update for
7303 changes to omp_region.
7304 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7305 (remove_exit_barriers): New.
7306 (expand_omp_parallel): Update for struct omp_region changes.
7307 (expand_omp_synch): Likewise.
7308 (expand_omp): Likewise.
7309 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7310 (expand_omp_for_static_chunk): Likewise.
7311 (expand_omp_for): Likewise.
7312 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7313 (expand_omp_sections): Similarly, with GOMP_sections_end.
7314 (expand_omp_single): New.
7315 (build_omp_regions_1): Update for OMP_CONTINUE.
7316 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7317 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7318 OMP_SECTIONS_SECTIONS.
7319 (lower_omp_single_simple): Don't emit barrier here.
7320 (lower_omp_single_copy): Likewise.
7321 (lower_omp_single): Fix bindings, and lower to straightline now.
7322 (lower_omp_master, lower_omp_ordered): Likewise.
7323 (lower_omp_critical): Likewise.
7324 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7325 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7326 omp edges, free it afterward.
7327 (make_omp_sections_edges): Remove.
7328 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7329 (move_stmt_r): Handle OMP_CONTINUE.
7330 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7331 statement pointers to basic blocks. Add type member.
7332 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7333 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7334 * tree-inline.c (estimate_num_insns_1): Likewise.
7335 * tree-pretty-print.c (dump_generic_node): Likewise.
7336 * tree-ssa-operands.c (get_expr_operands): Likewise.
7337 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7338 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7339 (OMP_CONTINUE): New.
7340 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7341 (OMP_SECTIONS_SECTIONS): Remove.
7342 (OMP_SECTION_LAST): New.
7343 (OMP_RETURN_NOWAIT): New.
7345 2006-04-13 Roger Sayle <roger@eyesopen.com>
7347 * fold-const.c (native_encode_vector, native_interpret_real):
7348 Correct obvious mistakes in the previous check-in.
7350 2006-04-13 Roger Sayle <roger@eyesopen.com>
7352 * fold-const.c (native_encode_expr): New function to encode
7353 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7354 or VECTOR_CST into a specified buffer.
7355 (native_encode_int): New function.
7356 (native_encode_real): New function.
7357 (native_encode_complex): New function.
7358 (native_encode_vector): New function.
7359 (native_interpret_expr): Inverse of native_encode_expr to convert
7360 a target representation into an INTEGER_CST, REAL_CST etc...
7361 (native_interpret_int): New function.
7362 (native_interpret_real): New function.
7363 (native_interpret_complex): New function.
7364 (native_interpret_vector): New function.
7365 (fold_view_convert_expr): New function to constant fold/evaluate
7366 a VIEW_CONVERT_EXPR of a suitable constant expression.
7367 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7368 Change call of build1 to fold_build1 when constructing a
7371 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7372 Ulrich Weigand <uweigand@de.ibm.com>
7375 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7378 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7381 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7382 optimize to lo_sum for DFmode if !TARGET_FPRS.
7384 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7386 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7387 delete_alias_info, compute_flow_sensitive_aliasing,
7388 group_aliases): Use VEC instead of VARRAY.
7389 * tree-ssa-structalias.c (update_alias_info): Likewise.
7390 * tree-ssa-structalias.h (alias_info): Change the type of
7391 processed_ptrs to VEC(tree,heap) *.
7393 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7396 * config/sh/lib1funcs.h: New file, broken out of:
7397 * config/sh/lib1funcs.asm.
7398 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7400 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7401 * config/sh/lib1funcs-Os-4-200.asm: New file.
7402 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7403 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7404 (EXTRA_MULTILIB_PARTS): Include it.
7405 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7406 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7407 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7408 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7411 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7413 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7414 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7415 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7417 * tree-ssa-live.h: Include vecprim.h.
7418 (tree_partition_associator_d): Change the type of
7419 first_partition to VEC(int,heap) *.
7420 (tpa_first_partition): Use VEC instead of VARRAY.
7422 * Makefile.in (GTFILES): Move functions.h after tree.h.
7423 * function.c (reset_block_changes, record_block_change,
7424 check_block_change, free_block_changes): Use VEC instead of
7426 * function.h (function): Change the type of
7427 ib_boundaries_block to VEC(tree,gc) *.
7428 * tree-inline.c (copy_cfg_body): Initialize
7429 ib_boundaries_block to NULL instead of (varray_type) 0.
7431 2006-04-12 Roger Sayle <roger@eyesopen.com>
7433 * expr.c (emit_group_store): Correct operand order in call to
7434 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7435 a SUBREG_BYTE of zero.
7437 2006-04-12 Richard Guenther <rguenther@suse.de>
7439 * profile.c (compute_branch_probabilities): Remove code
7440 encapsulated in !ir_type (), which are remanents of the
7441 removed RTL profiling code.
7442 * rtl-profile.c: Remove.
7444 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7446 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7447 magic NULL_RTX comment.
7448 (function_arg): Store entire fp arg to mem if any part should go
7450 (rs6000_arg_partial_bytes): Adjust for above change.
7452 2006-04-11 Roger Sayle <roger@eyesopen.com>
7454 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7455 if it hasn't been initialized by dwarf2out_init.
7457 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7459 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7460 symbolic constants in branch patterns.
7462 2006-04-11 Roger Sayle <roger@eyesopen.com>
7464 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7466 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7468 PR rtl-optimization/27073
7469 * gcse.c (try_replace_reg): Revert last change. Continue to search
7470 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7473 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7475 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7476 aggregate types other than record and union types.
7477 (function_arg): Likewise.
7478 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7480 (function_value): In 64-bit mode, return objects that require it
7483 2006-04-11 Roger Sayle <roger@eyesopen.com>
7485 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7487 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7489 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7491 2006-04-03 Jeff Law <law@redhat.com>
7494 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7495 alias information too.
7497 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7499 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7501 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7504 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7505 (premark_used_types_helper): New.
7506 (premark_used_types): New.
7507 (gen_subprogram_die): Call premark_used_types.
7508 (prune_unused_types_walk): Do not prune perennial dies.
7509 * function.c (used_types_insert): New.
7510 * function.h (struct function): Add used_types_hash field.
7511 (used_types_insert): Add prototype.
7512 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7513 * c-parser.c (c_parser_cast_expression): Save casted types in used
7516 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7519 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7520 rs6000_explicit_options.float_gprs.
7522 2006-04-10 Roger Sayle <roger@eyesopen.com>
7524 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7525 from ix86_expand_vector_init_low_nonzero. Take an additional
7526 one_var argument indicating which element is non-zero. Support
7527 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7528 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7529 with one_var instead of ix86_expand_vector_init_low_nonzero.
7531 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7533 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7534 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7535 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7536 build/genextract.o): Depend on vecprim.h.
7537 * cfglayout.c, df-problems.c, function.c, genextract.c,
7538 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7539 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7543 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7545 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7546 Declare VECs of this type.
7547 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7548 (remove_children): Delete.
7549 (add_dwarf_attr): Use VEC routines.
7550 (add_AT_flag): Update for changes to add_dwarf_attr.
7551 (add_AT_int): Likewise.
7552 (add_AT_unsigned): Likewise.
7553 (add_AT_long_long): Likewise.
7554 (add_AT_vec): Likewise.
7555 (add_AT_string): Likewise.
7556 (add_AT_die_ref): Likewise.
7557 (add_AT_fde_ref): Likewise.
7558 (add_AT_loc): Likewise.
7559 (add_AT_loc_list): Likewise.
7560 (add_AT_addr): Likewise.
7561 (add_AT_lbl_id): Likewise.
7562 (add_AT_lineptr): Likewise.
7563 (add_AT_macptr): Likewise.
7564 (add_AT_offset): Likewise.
7565 (add_AT_range_list): Likewise.
7566 (get_AT): Use VEC_iterate.
7567 (remove_AT): Use VEC_ordered_remove.
7568 (free_die): Fold remove_children into here; have it use VEC_iterate.
7569 (print_die): Use VEC_iterate on attrs.
7570 (reverse_die_lists): Don't reverse attr lists.
7571 (die_checksum): Use VEC_iterate on attrs.
7572 (same_die_p): Likewise.
7573 (output_location_lists): Likewise.
7574 (build_abbrev_table): Likewise.
7575 (size_of_die): Likewise.
7576 (unmark_all_dies): Likewise.
7577 (output_abbrev_section): Likewise.
7578 (output_die): Likewise.
7579 (prune_unused_types_walk_attribs): Likewise.
7581 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7583 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7585 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7588 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7590 2006-04-09 Roger Sayle <roger@eyesopen.com>
7592 * expr.c (store_constructor): Don't bother clearing target if
7593 we're about to assign a vector to it using vec_init_optab.
7595 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7597 * tree-ssa-alias.c (lhs_may_store_to): New function.
7598 (recalculate_used_alone): Handle LHS of calls.
7600 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7604 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7605 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7606 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7607 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7608 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7609 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7610 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7611 stubs. Add ".align 8" directives before all ".dword" directives.
7612 (GTHREAD_USE_WEAK): Revise comment.
7613 (TARGET_ATTRIBUTE_WEAK): Define.
7614 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7615 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7616 * stublib.c: New file.
7621 * pa.md (cbranch patterns): Revise arguments used in calls to
7622 output_cbranch, output_bb and output_bvd. Add long branch length
7624 (fbranch patterns): Handle long branches.
7625 (jump): Revise length check. Revise arguments for output_lbranch call.
7626 Add long branch length attributes.
7627 (decrement_and_branch_until_zero): Add long branch length attributes.
7628 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7629 Likewise. Revise arguments for output_parallel_addb and
7630 output_parallel_movb calls.
7631 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7632 output_parallel_movb and output_parallel_addb): Update prototypes.
7633 * pa.c (output_cbranch): Revise arguments. Correct handling of
7634 nullification in long branches.
7635 (output_lbranch): Add new argument to control extraction of delay
7637 (output_bb): Handle long branches.
7638 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7639 output_parallel_addb): Likewise.
7641 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7643 PR rtl-optimization/27073
7644 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7647 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7649 * tree.h (tree_memory_tag): Add old_used_alone.
7650 (SMT_OLD_USED_ALONE): New macro.
7651 * tree-ssa-alias.c (recalculate_used_alone): Stop
7652 marking things for renaming unnecessarily.
7654 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7656 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7657 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7658 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7659 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7660 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7661 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7662 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7663 spelling convensions.
7664 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7665 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7666 typos. Follow spelling conventions.
7668 2006-04-07 DJ Delorie <dj@redhat.com>
7670 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7671 passed on the stack.
7672 (m32c_init_cumulative_args): When a function returns a structure,
7673 always pass the pointer to that return area on the stack.
7674 (m32c_function_arg_advance): Don't increment the parameter number
7675 if we're processing the returned structure pointer.
7676 (pushm_info): Reverse order of registers.
7678 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7680 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7681 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7682 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7683 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7685 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7686 chrec_fold_multiply): Same.
7687 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7688 force_expr_to_var_cost): Same.
7689 * tree-mudflap.c (mf_xform_derefs_1): Same.
7690 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7692 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7694 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7695 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7698 2006-04-07 Jan Hubicka <jh@suse.cz>
7700 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7702 2006-04-07 Richard Guenther <rguenther@suse.de>
7704 PR tree-optimization/26135
7705 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7706 loads for store copy-prop.
7707 (copy_prop_visit_stmt): Likewise.
7709 2006-04-05 Robert Millan <robertmh@gnu.org>
7711 * config/i386/linux.h: Add a comment to mark macros that are
7712 being overriden in config/k*bsd-gnu.h.
7713 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7715 * config/knetbsd-gnu.h: Ditto.
7717 2006-04-06 Jan Hubicka <jh@suse.cz>
7721 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7724 2006-04-06 Mike Stump <mrs@apple.com>
7726 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7727 for HAVE_nonlocal_goto to be consistent.
7728 (expand_builtin_nonlocal_goto): Likewise.
7729 (expand_builtin_strcmp): Use #ifdef instead of #if
7730 for HAVE_cmpstrnsi to be consistent.
7732 2006-04-05 DJ Delorie <dj@redhat.com>
7734 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7737 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7739 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7740 got-relative addressing for anything but SImode.
7742 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7743 even if the calling function doesn't modify them.
7745 2006-04-05 Richard Guenther <rguenther@suse.de>
7747 PR tree-optimization/26919
7748 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7749 to cgraph_estimate_size_after_inlining.
7751 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7753 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7755 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7757 PR tree-optimization/26996
7758 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7759 VECTOR_TYPE variables.
7761 2006-04-05 Richard Guenther <rguenther@suse.de>
7763 PR tree-optimization/26763
7764 * fold-const.c (fold_comparison): Move folding of
7765 PTR + CST CMP PTR + CST ...
7766 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7768 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7770 * doc/install.texi (Prerequisites): Refine some wording on
7771 bootstrapping and ksh.
7772 Move the version numbers of DejaGnu here from the testing section
7773 and fix casing of names.
7774 Fix markup and clarify wording for autogen requirements.
7775 Refer to GCJ instead of just java.
7776 Refer to SVN instead of CVS.
7777 Describe diffutils as useful instead of necessary.
7778 (Downloading the source): Refer to SVN instead of CVS.
7779 Adjust a link to our web site accordingly.
7780 (Configuration): Fix casing of Bison.
7781 (Building): Refer to SVN instead of CVS.
7782 Fix a sentence on the use of Bison and remove duplicate (and
7783 incorrect) version number of Bison requirement.
7784 Remove one redundant list of packages needed for building.
7785 (Specific): Avoid reference to CVS.
7787 2006-04-04 Eric Christopher <echristo@apple.com>
7789 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7790 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7791 (rs6000_handle_struct_attribute): New.
7792 (rs6000_ms_bitfield_layout_p): Ditto.
7794 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7796 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7797 NULL for dso parameter to atexit_common.
7799 2006-04-04 Eric Christopher <echristo@apple.com>
7801 * config/i386/i386.c (machopic_output_stub): Output \t
7802 between instructions and operands.
7804 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7806 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7807 satisfies_constraint_[IL] to explicit tests on value.
7809 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7811 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7812 set_nb_iterations_in_loop): Use build_int_cst instead of
7814 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7815 build_int_cst instead of convert.
7817 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7819 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7820 new value 2 for incoming.
7821 * function.c (expand_function_start): Call struct_value_rtx
7823 * config/sparc/sparc.md: Comment updated_return.
7824 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7825 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7826 struct return if sparc_std_struct_return and incoming is 2.
7827 (print_operand): Do not adjust return if
7828 sparc_std_struct_return.
7830 2006-04-04 Roger Sayle <roger@eyesopen.com>
7832 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7833 convert in the middle-end.
7834 * expr.c (store_expr, store_constructor, get_inner_reference,
7835 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7837 * tree.c (build_range_type): Likewise.
7839 2006-04-04 Tom Tromey <tromey@redhat.com>
7841 * doc/install.texi (Prerequisites): Mention jar.
7843 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7845 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7848 2006-04-04 Matthias Klose <doko@debian.org>
7850 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7854 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7857 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7859 * doc/extend.texi (Function Attributes): Rewrite visibility
7860 attribute documentation.
7861 * doc/invoke.texi (C++ Dialect Options): Rewrite
7862 -fvisibility-inlines-hidden documentation to describe something
7863 entirely different, although in practise compatible.
7864 (Code Gen Options): Warn about system headers in -fvisibility=
7867 * doc/extend.texi (Other Builtins): Document that
7868 __builtin_nan is a compile-time constant only when its argument
7871 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7873 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7874 trying to remove TRUNCATE check if all bits outside the new mode
7875 are identical to the sign bit.
7877 2006-04-03 Jeff Law <law@redhat.com>
7879 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7880 and operand scanning in some common cases.
7882 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7883 Dale Johannesen <dalej@apple.com>
7886 * regclass.c (struct reg_pref): Update documentation.
7887 (regclass): Set prefclass to NO_REGS if memory is the best option.
7888 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7889 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7890 into account. For non-registers, equate an empty preferred
7891 reload class to a `!' in the constraint; move the if clause to
7892 do so after those that reject the insn.
7893 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7895 (find_dummy_reload): Likewise.
7896 * doc/tm.texi (Register Classes): Document what it means
7897 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7898 * config/i386/i386.c (ix86_preferred_reload_class): Force
7899 using SSE registers (and return NO_REGS for floating-point
7900 constants) if math is done with SSE.
7901 (ix86_preferred_output_reload_class): New.
7902 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7903 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7904 * config/i386/i386.md: Remove # register preferences.
7906 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7909 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7910 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7911 the type of nb_iter.
7912 (instantiate_parameters_1): Convert the operands before calling
7913 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7914 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7916 2006-04-02 Roger Sayle <roger@eyesopen.com>
7918 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7919 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7921 * dojump.c (do_jump): Likewise.
7922 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7923 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7924 gimplify_boolean_expr): Likewise.
7925 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7926 * varasm.c (array_size_for_constructor): Likewise.
7927 * tree-object-size.c (compute_object_offset): Likewise.
7929 2006-04-02 Roger Sayle <roger@eyesopen.com>
7932 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7933 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7935 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7937 PR tree-optimization/26939
7938 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7940 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7942 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7943 at_stmt. Convert the type of operands before calling
7944 build_polynomial_chrec.
7945 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7947 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7948 (instantiate_parameters_1): Convert the type of operands before calling
7949 build_polynomial_chrec.
7950 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7951 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7952 reset_evolution_in_loop): Insert asserts to check the types of the
7954 (chrec_type): Moved...
7955 (eq_evolutions_p): Use operand_equal_p.
7956 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7957 the types of the operands.
7958 (chrec_type): ...here.
7959 * tree-data-ref.c (create_data_ref): Convert the operands before
7960 calling chrec_replace_initial_condition.
7961 (same_access_functions, analyze_subscript_affine_affine,
7962 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7963 (compute_subscript_distance, analyze_ziv_subscript,
7964 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7965 analyze_miv_subscript): Convert the operands before calling
7966 chrec_fold_minus or chrec_fold_plus.
7968 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7970 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7971 the dependence_relations vector.
7972 (compute_data_dependences_for_loop): Adjust call to
7973 compute_all_dependences.
7975 2006-04-01 Roger Sayle <roger@eyesopen.com>
7976 Richard Henderson <rth@redhat.com>
7978 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7979 gimple_boolify on the condition before calling gimplify_expr.
7981 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7983 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7984 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7985 the frame size. Update to use the new macros.
7986 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7987 * config/xtensa/ieee754-df.S: Likewise.
7989 2006-03-31 Richard Henderson <rth@redhat.com>
7991 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7992 (make_edges): ... here. Control fallthru creation with a local
7993 variable. Do not play with fake edges.
7994 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7995 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7998 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8000 * dwarf2.h (DW64_CIE_ID): Define.
8001 * dwarf2out.c (DWARF_CIE_ID): Define.
8002 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8003 length header. Use DWARF_CIE_ID.
8004 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8005 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8007 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8009 * config/sh/linux-atomic.asm: New file.
8010 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8012 2006-03-31 DJ Delorie <dj@redhat.com>
8014 * config/m32c/cond.md: Set condition flags properly throughout.
8015 * config/m32c/minmax.md: Likewise.
8016 * config/m32c/prologue.md: Likewise.
8017 * config/m32c/bitops.md: Likewise.
8018 * config/m32c/muldiv.md: Likewise.
8019 * config/m32c/mov.md: Likewise.
8020 * config/m32c/addsub.md: Likewise.
8021 * config/m32c/m32c.md: Likewise.
8022 * config/m32c/jump.md: Likewise.
8023 * config/m32c/shift.md: Likewise.
8025 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8026 conditionally output the pattern for this.
8027 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8028 (m32c_compare_redundant): New.
8029 (m32c_output_compare): New.
8030 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8032 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8033 dest, not src. Allow other 4-byte modes.
8035 2006-03-30 Denis Chertykov <denisc@overta.ru>
8037 * doc/md.texi: Refer to avr/constraints.md instead of
8040 2006-03-30 Roger Sayle <roger@eyesopen.com>
8042 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8043 signed vs. unsigned comparison failures on some hosts.
8045 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8048 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8049 change to FLOAT_REGS.
8051 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8052 (rs6000_override_options): Use it.
8053 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8054 only for -mabi=spe/no-spe and -mabi=altivec.
8056 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8058 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8061 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8063 * Makefile.in: Rename docdir to gcc_docdir.
8065 2006-03-30 Roger Sayle <roger@eyesopen.com>
8068 * expr.c (emit_group_store): Optimize group stores into a pseudo
8069 register by using a paradoxical subreg to initialize the destination
8070 if the first or last member of the group specifies a "low part".
8072 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8075 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8076 * target.h (struct gcc_target.speculate_insn): Change type of the
8077 second parameter to 'int'.
8078 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8079 the second operand of the DEPS_LIST.
8080 (copy_DEPS_LIST_list): Update reference to the second operand of the
8082 * rtl.h (alloc_DEPS_LIST): Update signature.
8083 * sched-int.h (ds_t): Change typedef to 'int'.
8084 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8086 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8088 * haifa-sched.c (try_ready): Change condition to restore
8089 non-speculative pattern of the instruction.
8090 (process_insn_depend_be_in_spec): Code to keep probability of the
8091 speculative dependence non-decreasing.
8093 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8095 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8096 (single_move_for_movmem): ... this. Also change all uses.
8097 (bfin_expand_strmov): Renamed to...
8098 (bfin_expand_movmem): ... this. Also change all uses.
8099 * config/bfin/bfin.md (movstrsi): Renamed to...
8100 (movstrsi): ...this.
8102 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8104 PR tree-optimization/26830
8106 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8107 (copy_prop_visit_stmt): Remove write-only variable ann.
8108 (init_copy_prop): Check variable loop depth here. Do not simulate
8109 memory-tag and virtual operand PHIs except for store copy prop.
8111 2006-03-30 Richard Guenther <rguenther@suse.de>
8113 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8114 variants with double arguments.
8116 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8118 * genpreds.c (write_tm_constrs_h): Delete variable p.
8119 * genconditions.c (write_header): Add tm-constrs.h to included
8121 * genpeep.c (main): Add toplev.h to included headers.
8122 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8123 (build/genpeep.o): Add toplev.h dependency.
8124 * config/rs6000/constraints.md: Add "W" constraint.
8126 2006-03-29 Roger Sayle <roger@eyesopen.com>
8128 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8129 sizes by correctly testing whether the size fits a host integer.
8130 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8131 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8132 SImode range for the default sizetype and bitsizetype.
8134 2006-03-29 Roger Sayle <roger@eyesopen.com>
8136 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8137 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8138 quickly if the argument is already of the correct type.
8139 Call fold_build1 instead of build1. Tidy up blank lines.
8141 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8143 * genemit.c (main): Add tm-constrs.h to included headers.
8144 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8145 * genpeep.c (main): Add tm-constrs.h to included headers.
8146 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8147 (write_tm_constrs_h): this and write complete file.
8148 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8149 (write_insn_preds_c): Add tm-constrs.h to included headers.
8150 (gen_constrs): New variable.
8151 (parse_option): Parse "-c".
8152 (main): Invoke write_tm_constrs_h.
8153 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8154 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8155 (object_out_file): Add tm-constrs.h dependency.
8156 (insn-emit.o): Same.
8157 (insn-output.o): Same.
8158 (insn-peep.o): Same.
8159 (insn-preds.o): Same.
8160 (insn-recog.o): Same.
8161 (tm-constsr.h): New target.
8162 (s-constrs-h): New target.
8164 * config/rs6000/constraints.md: New file.
8165 * config/rs6000/rs6000.c: Include tm-constrs.h.
8166 (num_insn_constant_wide): Convert to satisfies_constraint.
8167 (rs6000_rtx_costs): Convert to satisfies_constraint.
8168 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8169 (CONST_OK_FOR_LETTER_P): Delete.
8170 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8171 (EXTRA_CONSTRAINT): Delete.
8172 (EXTRA_MEMORY_CONSTRAINT): Delete.
8173 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8174 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8175 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8176 satisfies_constraint.
8178 * config/i386/i386.c: Include tm-constrs.h.
8180 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8182 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8183 * tree-data-ref.c (find_data_references_in_loop,
8184 compute_data_dependences_for_loop): Use pointers to VEC.
8185 (analyze_all_data_dependences): Adjust calls.
8186 * tree-data-ref.h (find_data_references_in_loop,
8187 compute_data_dependences_for_loop): Adjust declarations.
8188 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8189 compute_data_dependences_for_loop.
8191 2006-03-29 Paul Brook <paul@codesourcery.com>
8193 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8196 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8198 PR tree-optimization/26859
8199 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8201 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8202 for the step after fold_convert.
8204 2006-03-29 Paul Brook <paul@codesourcery.com>
8206 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8207 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8209 2006-03-29 Paul Brook <paul@codesourcery.com>
8212 * targhooks.c (default_narrow_bitfield): New fuction.
8213 * targhooks.h (default_narrow_bitfield): add prototype.
8214 * target.h (gcc_target): Add narrow_volatile_bitfield.
8215 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8216 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8217 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8218 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8220 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8222 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8224 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8225 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8226 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8227 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8228 (s390_function_arg_float): Allow SDmode and DDmode values to be
8229 passed in floating point registers.
8230 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8231 check with SCALAR_FLOAT_MODE_P.
8232 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8234 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8236 PR tree-optimization/25985
8237 * tree-ssa-loop-niter.c (number_of_iterations_le,
8238 number_of_iterations_ne): Make comments more precise.
8239 (number_of_iterations_cond): Add only_exit argument. Use the
8240 fact that signed variables do not overflow only when only_exit
8242 (loop_only_exit_p): New.
8243 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8244 number_of_iterations_cond.
8246 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8248 PR tree-optimization/26643
8249 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8252 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8254 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8255 (divsi3_i4_int): Likewise.
8257 2006-03-28 Roger Sayle <roger@eyesopen.com>
8259 * expr.c (emit_group_store): Only create a new pseudo reg if the
8260 quantity it needs to hold isn't already a suitable pseudo.
8262 2006-03-28 Jeff Law <law@redhat.com>
8264 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8265 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8267 2006-03-28 Roger Sayle <roger@eyesopen.com>
8269 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8270 the equivalent ~X & Y, and the symmetry related transformations.
8271 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8272 ~X & Y, and symmetry related transforms.
8274 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8276 Revert my 2006-03-27 patches.
8278 2006-03-28 Roger Sayle <roger@eyesopen.com>
8280 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8281 ~(T1)X, when T1 and T2 are integer types of the same precision
8282 and (T2)X isn't an extension.
8284 2006-03-28 Jeff Law <law@redhat.com>
8286 PR tree-optimization/26796
8287 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8288 need EH edge cleanups rather than purging them immediately.
8289 (eliminate_degenerate_phis): Handle queued EH cleanups.
8291 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8293 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8296 2006-03-27 Roger Sayle <roger@eyesopen.com>
8299 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8300 cast BIT_NOT_EXPR operand to the correct type.
8302 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8304 * tree-loop-linear.c: Don't include varray.h.
8305 (gather_interchange_stats, try_interchange_loops,
8306 linear_transform_loops): Use VEC instead of VARRAY.
8307 * lambda-mat.c: Don't include varray.h.
8308 * tree-chrec.c: Same.
8309 * lambda-trans.c: Same.
8310 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8311 VEC instead of VARRAY.
8312 * tree-vectorizer.h: Idem.
8313 * tree-data-ref.c (dump_data_references,
8314 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8315 initialize_data_dependence_relation, finalize_ddr_dependent,
8316 compute_all_dependences, find_data_references_in_loop,
8317 compute_data_dependences_for_loop, analyze_all_data_dependences,
8318 free_dependence_relation, free_dependence_relations,
8319 free_data_refs): Idem.
8320 * tree-data-ref.h (data_reference_p, subscript_p): New.
8321 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8322 VEC instead of VARRAY.
8323 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8324 (find_data_references_in_loop, compute_data_dependences_for_loop,
8325 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8326 dump_data_dependence_relations, free_dependence_relations,
8327 free_data_refs): Adjust declaration.
8328 (lambda_transform_legal_p): Move declaration here...
8329 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8330 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8331 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8332 vect_analyze_data_refs): Use VEC instead of VARRAY.
8333 * lambda.h (lambda_transform_legal_p): ...from here.
8334 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8335 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8336 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8337 tree-chrec.o): Don't depend on VARRAY_H.
8339 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8341 * rtl.def (Copyright): Update date.
8342 (DEPS_LIST): Change type of the second operand to 'int'.
8343 * target.h (Copyright): Update date.
8344 (struct gcc_target.speculate_insn): Change type of the second parameter
8346 * lists.c (Copyright): Update date.
8347 (alloc_DEPS_LIST): Change signature. Update reference to the second
8348 operand of the DEPS_LIST.
8349 (copy_DEPS_LIST_list): Update reference to the second operand of the
8351 * rtl.h (Copyright): Update date.
8352 (alloc_DEPS_LIST): Update signature.
8353 * sched-int.h (Copyright): Update date.
8354 (ds_t): Change typedef to 'int'.
8355 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8357 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8359 * haifa-sched.c (Copyright): Update date.
8360 (try_ready): Change condition to restore non-speculative pattern
8362 (process_insn_depend_be_in_spec): Code to keep probability of the
8363 speculative dependence non-decreasing.
8365 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8367 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8368 shut up the compiler.
8370 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8372 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8373 to use lib prefix for target.
8374 ($(T)libic_invalidate_array_4-200.a): Likewise.
8375 ($(T)libic_invalidate_array_4a.a): Likewise.
8377 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8378 J"orn Rennecke <joern.rennecke@st.com>
8380 * superh.opt: New file.
8381 * sh.c (boardtype, osruntime): Remove.
8382 * superh.h (SUBTARGET_OPTIONS): Remove.
8383 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8385 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8386 arguments with ^ and/or [].
8388 * config.gcc (sh-*-*): Add quoting to account for quirk of
8390 Replace == with = in enable_incomplete_targets test.
8392 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8393 with MASK_LITTLE_ENDIAN.
8395 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8396 * config/sh/sh.opt: Added to some comments.
8397 * config/sh/superh.h: Removed some chaff.
8399 * config/sh/sh.opt: Add m4-[1234]00* options.
8400 * config/sh/sh.c (sh_handle_option): Likewise.
8401 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8402 (ic_invalidate_array_4-100.o): New rule.
8403 ($(T)libic_invalidate_array_4-100.a): Likewise.
8404 (ic_invalidate_array_4-200.o): Likewise.
8405 ($(T)libic_invalidate_array_4-200.a): Likewise.
8406 (ic_invalidate_array_4a.o): Likewise.
8407 ($(T)libic_invalidate_array_4a.a): Likewise.
8408 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8409 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8411 * config/sh/crt1.asm: Merged in profiling code.
8412 * config/sh/superh.h (STARTFILE_SPEC): Override.
8413 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8414 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8415 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8417 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8418 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8419 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8421 * sh.opt (mpretend-cmove): New option.
8422 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8423 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8424 (movsicc): Add TARGET_PRETEND_CMOVE code.
8426 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8428 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8429 s390_class_max_nregs): New function prototypes.
8430 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8431 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8432 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8433 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8435 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8437 * dwarf2out.c (add_location_or_const_value_attribute): Call
8438 tree_add_const_value_attribute if nothing else works.
8439 (reference_to_unused): New.
8440 (rtl_for_decl_init): Use reference_to_unused to decide whether
8441 to output an initializer.
8443 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8446 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8447 peephole removing spe frob_di_df_2.
8449 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8451 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8452 (subscript_dependence_tester_1): Declared.
8453 (print_dir_vectors, print_dist_vectors): New.
8454 (debug_data_dependence_relation): New.
8455 (dump_data_dependence_relation): Print more details.
8456 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8457 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8458 (save_dist_v, save_dir_v, add_outer_distances,
8459 build_classic_dist_vector_1): New.
8460 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8461 Don't test for lambda_vector_lexico_pos.
8462 (same_access_functions, add_multivariate_self_dist,
8463 add_other_self_distances, dir_from_dist): New.
8464 (build_classic_dir_vector): Replace implementation almost identical to
8465 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8467 (subscript_dependence_tester_1): New.
8468 (subscript_dependence_tester): Handle the lexicographically negative
8469 distance vectors by recomputing the dependence relation.
8470 (compute_affine_dependence): Remove parameter loop_nest_depth.
8471 (compute_self_dependence): Don't call compute_subscript_distance.
8472 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8473 Add a parameter for the loop_nest.
8474 (find_loop_nest_1, find_loop_nest): New.
8475 (compute_data_dependences_for_loop): Compute the loop nest, and give
8476 up if the nest is not well formed.
8477 * tree-data-ref.h (loop_p): New.
8478 (struct data_dependence_relation): Replace size_vect field with
8479 loop_nest, a vec of loops.
8480 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8481 (DDR_LOOP_NEST): New.
8482 (print_dir_vectors, print_dist_vectors,
8483 debug_data_dependence_relation): Declared.
8484 (index_in_loop_nest): New.
8485 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8486 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8489 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8491 * simplify-rtx.c (simplify_relational_operation): Call
8492 simplify_relational_operation_1 even if mode is VOIDmode.
8494 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8496 PR tree-optimization/26804
8497 * tree.h (DECL_CALL_CLOBBERED): New macro.
8498 (tree_decl_common): Add call_clobbered_flag.
8499 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8500 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8501 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8502 (mark_non_addressable): Ditto.
8503 * tree-ssa.c (verify_call_clobbered): New function.
8504 (verify_alias_info): Use it.
8505 * tree-pass.h (pass_reset_cc_flags): New prototype.
8506 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8507 (reset_cc_flags): New function.
8508 * passes.c (init_optimization_passes): Call reset_cc_flags after
8509 initializing referenced_vars.
8511 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8512 Roger Sayle <roger@eyesopen.com>
8515 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8516 to 1.0 for non-real operands. Implement A / A optimization for
8519 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8521 * config/i386/i386.c (size_cost): Correct the comment for
8522 cost of storing fp registers.
8523 (i386_cost): Likewise.
8524 (i486_cost): Likewise.
8525 (pentium_cost): Likewise.
8526 (pentiumpro_cost): Likewise.
8527 (k6_cost): Likewise.
8528 (athlon_cost): Likewise.
8529 (k8_cost): Likewise.
8530 (pentium4_cost): Likewise.
8531 (nocona_cost): Likewise.
8532 (generic64_cost): Likewise.
8533 (generic32_cost): Likewise.
8535 2006-03-24 Denis Chertykov <denisc@overta.ru>
8537 * config/avr/avr-protos.h (extra_constraint): Delete.
8538 (extra_constraint_Q): New declaration.
8539 * config/avr/constraints.md: New file.
8540 * config/avr/avr.md: Include it.
8541 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8542 (TMP_REGNO, ZERO_REGNO): Likewise.
8543 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8544 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8545 (extra_constraint): Delete.
8546 (extra_constraint_Q): Test for memory constraint 'Q'.
8547 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8548 (REG_CLASS_FROM_LETTER): Delete.
8549 (CONST_OK_FOR_LETTER_P): Delete.
8550 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8551 (EXTRA_CONSTRAINT): Delete.
8552 (TMP_REGNO): Delete.
8553 (ZERO_REGNO): Delete.
8555 2006-03-24 Jeff Law <law@redhat.com>
8557 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8558 directly. Call mark_new_vars_to_rename slightly earlier.
8560 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8562 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8564 (gen_compile_unit_die): Use new language types for Objective-C and
8566 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8567 DW_LANG_C_plus_plus.
8570 * config/t-darwin (crt3.o): Work around bug 26840.
8571 * config/darwin-crt3.c: Rewrite.
8572 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8574 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8576 * doc/invoke.texi: Document -femit-class-debug-always
8577 * common.opt: Add -femit-class-debug-always.
8579 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8581 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8582 index and base register.
8583 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8584 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8585 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8586 REGNO_OK_FOR_INDEX_P.
8587 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8589 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8590 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8591 REG_OK_FOR_BASE_P): Definitions removed.
8593 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8596 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8597 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8598 set yet or weren't marked as local yet.
8600 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8602 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8605 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8607 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8608 (rs6000_legitimate_small_data_p): Delete.
8609 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8610 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8611 and make static. Add forward declaration. Update uses.
8612 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8613 of offsettable_memref_p.
8614 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8615 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8617 2006-03-24 Jeff Law <law@redhat.com>
8619 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8620 around bug in immediate-use iterator.
8622 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8625 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8626 or __LITTLE_ENDIAN__.
8628 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8630 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8631 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8632 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8633 * config/sh/sh.opt (mdiv=): Amend description.
8634 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8635 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8636 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8637 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8638 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8639 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8640 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8641 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8642 TARGET_DIVIDE_CALL_FP.
8644 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8646 * haifa-sched.c (choose_ready): Fix type of the local variable.
8647 Move local variables. Add comment.
8648 (check_reg_live): Change signature. Make callable from debugger.
8649 * sched-int.h (check_reg_live): Update signature.
8650 * sched-ebb.c (check_reg_live): Update parameters.
8651 * sched-rgn.c (check_reg_live): Ditto.
8652 (region_head_or_leaf_p): Check pointer before dereferencing.
8653 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8654 before reload on optimization levels below 1.
8656 2006-03-23 Richard Henderson <rth@redhat.com>
8658 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8662 * config/alpha/predicates.md (local_symbolic_operand): Reject
8665 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8668 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8669 expressions which have overflowed constants.
8671 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8673 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8675 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8677 * cfgloopmanip.c (create_loop_notes): Removed.
8678 * final.c (final_scan_insn): Do not handle loop notes.
8679 * jump.c (squeeze_notes): Ditto.
8680 * cfglayout.c (skip_insns_after_block,
8681 duplicate_insn_chain): Ditto.
8682 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8684 * cfgloop.h (create_loop_notes): Declaration removed.
8686 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8688 * varasm.c (output_constant_pool): Restore fnname and fndecl
8690 (assemble_start_function): Adjust call accordingly.
8691 (assemble_end_function): Likewise.
8693 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8696 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8699 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8701 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8704 * system.h (ICE_EXIT_CODE): New macro.
8705 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8706 (diagnostic_action_after_output): Likewise.
8707 * gcc.c (fatal_ice): New function.
8708 (execute): Use it instead of fatal.
8709 (fancy_abort): Likewise.
8710 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8712 2006-03-22 Jeff Law <law@redhat.com>
8714 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8715 iv_analyze_result returning false.
8717 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8719 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8721 2006-03-22 Richard Henderson <rth@redhat.com>
8724 * except.c (duplicate_eh_regions_0): New.
8725 (duplicate_eh_region_1): Duplicate the children of the node as
8726 well as the node itself. Link them up properly.
8727 (duplicate_eh_region_2): Merge into ...
8728 (duplicate_eh_regions): ... here. Take copy_region argument, and
8729 copy only a sub-tree if asked. Simplify copying and fixup.
8730 (eh_region_outer_p): New.
8731 * except.h (duplicate_eh_regions): Update decl.
8732 (eh_region_outer_p): Declare.
8733 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8734 (lower_omp_master): Likewise.
8735 (lower_omp_ordered): Likewise.
8736 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8737 (move_stmt_r): Use it to remap labels. Handle recursion vs
8738 remap_decls_p properly.
8739 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8740 (find_outermost_region_in_block): New.
8741 (new_label_mapper): New.
8742 (move_sese_region_to_fn): Copy eh information to the new function
8744 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8746 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8749 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8751 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8752 into shared libraries.
8754 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8756 * doc/md.texi: Refer to i386/constraints.md instead of
8758 * config/i386/constraints.md: New file, extracted from...
8759 * config/i386/predicates.md: ...here.
8760 * config/i386/i386.md: Include constraints.md.
8762 2006-03-21 Jason Merrill <jason@redhat.com>
8764 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8767 * expr.c (init_block_move_fn): Force default visibility.
8768 (init_block_clear_fn): Likewise.
8769 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8770 * targhooks.c (default_external_stack_protect_fail): Likewise.
8772 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8774 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8775 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8776 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8777 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8778 (loadgp): Use mips_current_loadgp_style.
8779 (loadgp_noshared): New pattern.
8780 (sibcall_internal): Use MIPS_CALL.
8781 (sibcall_value_internal): Likewise.
8782 (sibcall_value_multiple_internal): Likewise.
8783 (call_internal): Likewise.
8784 (call_value_internal): Likewise.
8785 (call_value_multiple_internal): Likewise.
8786 (call_split): Use MIPS_CALL and add an 'S' constraint.
8787 (call_value_split): Likewise.
8788 (call_value_multiple_split): Likewise.
8789 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8790 (-mshared): New option.
8791 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8792 (mips_current_loadgp_style): Declare.
8793 * config/mips/mips.c (mips_classify_symbol): Avoid using
8794 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8795 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8796 TARGET_ABSOLUTE_ABICALLS.
8797 (override_options): Adjust comments. Improve the warning that is
8798 issued when -mabicalls and -G are used together.
8799 (mips_file_start): Remove comment.
8800 (mips_current_loadgp_style): New function.
8801 (mips_gnu_local_gp): New variable.
8802 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8804 (mips_output_function_prologue): Use mips_current_laodgp_style.
8805 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8806 the cprestore instruction.
8807 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8808 live for TARGET_ABSOLUTE_ABICALLS.
8809 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8810 (ASM_SPEC): Pass down -mshared and -mno-shared.
8811 (MIPS_CALL): New macro.
8812 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8814 * doc/invoke.texi (-mabicalls): Update documentation.
8815 (-mshared): Document.
8817 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8819 * config/ia64/unwind-hpux.c: New file.
8820 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8822 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8825 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8827 2006-03-21 Jeff Law <law@redhat.com>
8829 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8830 type conversions of a VR_VARYING source to a wider type.
8832 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8834 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8835 tm_file on Solaris 10 and later.
8836 (sparc64-*-solaris2*): Likewise.
8837 (sparc-*-solaris2*): Likewise.
8838 * config/sol26.h: Rename to config/sol2-6.h.
8839 * config/sol2-10.h: New file.
8841 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8844 * tree-ssa-pre.c (create_component_ref_by_pieces):
8847 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8850 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8851 return it immediately.
8853 2006-03-21 Michael Matz <matz@suse.de>
8855 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8857 (remove_arc, add_arc): Update num_out_arcs member.
8858 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8860 (cache_presence): New function.
8861 (compare_states_for_equiv): New function.
8862 (state_is_differed): Don't take number of outargs, adjust callers.
8863 Use new invariant for speeding up.
8864 (init_equiv_class): Create initial classes based on sorted
8866 (partition_equiv_class): Don't track out_arcs_num.
8867 (evaluate_equiv_classes): Call cache_presence on all states and
8870 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8872 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8873 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8874 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8875 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8877 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8878 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8879 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8880 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8881 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8883 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8884 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8885 (REGNO_REG_CLASS): ARGP is in PREGS.
8886 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8888 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8889 to deal with those addresses.
8890 * addresses.h: New file.
8891 * caller-save.c: Include "addresses.h".
8892 (init_caller_save): Use new base_reg_class function.
8893 * rtl-factoring.c: Include "addresses.h".
8894 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8895 * recog.c: Include "addresses.h".
8896 (preprocess_constraints): Use new base_reg_class function.
8897 * regrename.c: Include "addresses.h".
8898 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8899 functions. Keep track of a new var INDEX_CODE to compute valid
8901 (replace_oldest_value_addr): Likewise.
8902 (replace_oldest_value_mem): Use base_reg_class.
8903 * reload.c: Include "addresses.h".
8904 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8905 (find_reloads): Use new base_reg_class function.
8906 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8907 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8908 all callers and prototype changed.
8909 * reload1.c: Include "addresses.h".
8910 (maybe_fix_stack_asms): Use base_reg_class.
8911 * regclass.c: Include "addresses.h".
8912 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8913 (init_reg_autoinc): Use new base_reg_class function.
8914 (record_reg_classes): Likewise.
8915 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8916 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8917 Use new args to compute necessary class.
8919 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8920 regrename.o, rtl-factoring.o): Update dependencies.
8921 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8922 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8923 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8924 REG_OK_FOR_INDEX_P): Delete documentation.
8926 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8928 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8929 from V7 to V9 for Solaris 7 and above.
8931 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8933 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8934 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8935 argument pointers may not alias any other storage.
8936 * common.opt: Define option -fargument-noalias-anything.
8937 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8938 alias semantics is specified by flag_argument_noalias > 2.
8940 2006-03-20 Jeff Law <law@redhat.com>
8942 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8943 (pass_phi_only_cprop): Declare.
8944 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8946 * tree-ssa-dom.c (degenerate_phi_result): New function.
8947 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8948 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8949 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8950 (eliminate_degenerate_phis): Likewise.
8951 (pass_phi_only_cprop): New pass descriptor.
8952 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8953 support code. Callers updated.
8954 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8955 (store_copy_prop): Likewise.
8956 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8958 2006-03-20 Jason Merrill <jason@redhat.com>
8961 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8962 (push_visibility, pop_visibility): Likewise.
8963 * c-pragma.h: Declare them.
8965 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8967 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8969 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8970 parameter and use get_ebb_head_tail.
8971 (sh_md_init_global): Adjust uses of find_regmode_weight.
8973 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8975 * function.h (struct function) <x_tail_recursion_reentry>:
8976 Rename to x_stack_check_probe_note.
8977 (tail_recursion_reentry): Rename to stack_check_probe_note.
8978 * function.c: Replace tail_recursion_reentry with
8979 stack_check_probe_note everywhere.
8980 (expand_function_start): Only emit a note for
8981 stack_check_probe_note with -fstack-protect.
8982 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8984 * emit-rtl.c (remove_unnecessary_notes): Remove.
8985 (pass_remove_unnecessary_notes): Remove.
8986 * rtl.h (remove_unnecessary_notes): Remove prototype.
8987 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8988 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8989 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8991 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8994 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8995 (valid_in_set): Handle ARRAY_REF.
8996 Change "if min_variant or VH" to asserts.
8997 (create_component_ref_by_pieces): Handle ARRAY_REF.
8998 (create_expression_by_pieces): Likewise.
8999 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9001 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9003 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9004 is operand of switch, not str[0].
9006 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9008 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9009 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9011 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9013 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9014 end of insn_extra_address_constraint declaration.
9016 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9018 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9019 (no-sum-in-toc): Same.
9020 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9022 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9023 NO_FP_IN_TOC for -fPIC instead of mask.
9025 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9026 (BOOT_LDFLAGS): Delete.
9028 * config/rs6000/t-aix52: Same.
9030 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9031 (stmsi[345678]_power): New.
9033 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9035 * config/ia64/ia64.opt: Add empty line to end of file.
9037 2006-03-17 Richard Guenther <rguenther@suse.de>
9040 * builtins.c (get_pointer_alignment): For component style references
9041 adjust alignment to the component type alignment. Make sure
9042 to adjust alignment for component access of constants.
9044 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9046 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9049 2006-03-17 Paul Brook <paul@codesourcery.com>
9051 * doc/install.texi: Docuemnt --with-mode.
9052 * config.gcc: Add --with-mode for arm*-*-*.
9053 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9055 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9057 * sh.c (max_labelno_before_reorg): New variable.
9058 (sh_reorg): Initialize it.
9059 (find_barrier): Check max_labelno_before_reorg before using
9060 label_to_alignment. Take length of explicit alignment insns
9061 into account. When seeing a UNSPECV_CONST_END, return it.
9063 * sh.c (fixup_mova): Set mode of affected label to QImode.
9064 (untangle_mova): New function.
9065 (find_barrier): Use it. Check mode of label before decrementing
9067 (sh_reorg): Likewise.
9068 Set mode of all insns back to VOIDmode.
9070 * sh.c (MOVA_LABELREF): New macro.
9071 (mova_p, fixup_mova, sh_reorg): Use it.
9072 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9073 ADDR_DIFF_VEC matches mova.
9075 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9077 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9078 with ATTRIBUTE_UNUSED.
9080 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9082 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9083 pointer, instead of assuming it is possible to derive the
9084 correct args size from a call insn.
9086 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9088 * rtl.h (CONST_INT_P): Define.
9089 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9090 instead of GET_CODE(x) == CONST_INT.
9091 (vax_rtx_costs): Likewise.
9092 (vax_output_int_move): Likewise.
9093 (vax_output_int_add): Likewise.
9094 (legitimate_constant_address_p): Likewise.
9095 (index_term_p): Likewise.
9096 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9097 * config/vax/vax.md (and<mode>3): Likewise.
9098 (ashrsi3): Likewise.
9100 (movstricthi): Likewise.
9101 (movstrictqi): Likewise.
9102 (rotrsi3): Likewise.
9103 (five unnamed insns): Likewise.
9105 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9107 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9108 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9109 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9110 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9111 Pass to ASM_OUTPUT_DWARF_OFFSET.
9112 * dwarf2out.c (debug_frame_section): New.
9113 (output_call_frame_info): Use debug_frame_section. Pass it to
9114 dw2_asm_output_offset.
9115 (output_die): Pass appropriate section to dw2_asm_output_offset.
9116 (output_compilation_unit_header): Likewise.
9117 (output_pubnames): Likewise.
9118 (output_aranges): Likewise.
9119 (enum dw_val_class): Break dw_val_class_lbl_offset into
9120 dw_val_class_lineptr and dw_val_class_macptr.
9121 (add_AT_lbl_offset): Delete.
9122 (add_AT_lineptr): New.
9123 (add_AT_macptr): New.
9124 (AT_lbl): Expect a lineptr or macptr.
9125 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9126 (attr_checksum): Likewise.
9127 (same_dw_val_p): Likewise.
9128 (size_of_die): Likewise.
9129 (value_format): Likewise.
9130 (output_die): Likewise.
9131 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9133 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9134 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9135 * config/darwin-protos.h (darwin_file_start): New.
9136 (darwin_asm_output_dwarf_offset): New.
9137 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9138 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9140 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9141 if not EH section; simplify.
9142 (darwin_file_start): New.
9143 (darwin_asm_output_dwarf_offset): New.
9144 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9146 (DEBUG_INFO_SECTION): Likewise.
9147 (DEBUG_ABBREV_SECTION): Likewise.
9148 (DEBUG_ARANGES_SECTION): Likewise.
9149 (DEBUG_MACINFO_SECTION): Likewise.
9150 (DEBUG_LINE_SECTION): Likewise.
9151 (DEBUG_LOC_SECTION): Likewise.
9152 (DEBUG_PUBNAMES_SECTION): Likewise.
9153 (DEBUG_STR_SECTION): Likewise.
9154 (DEBUG_RANGES_SECTION): Likewise.
9155 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9156 (ASM_OUTPUT_DWARF_OFFSET): New.
9158 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9160 * config.gcc (tm_defines): Always add to previous value rather
9163 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9165 * config/mips/predicates.md (splittable_const_int_operand): New,
9166 split from move_operand.
9167 (splittable_symbolic_operand): New.
9168 (move_operand): Add commentary. Use splittable_const_int_operand.
9169 Inline mips_atomic_symbolic_constant_p.
9170 * config/mips/mips.md: Add combine splitters for handling moves
9171 of splittable_const_int_operands and splittable_symbolic_operands.
9172 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9173 (mips_split_symbol): Declare.
9174 (mips_move_integer): Declare.
9175 * config/mips/mips.c (mips_split_p): Make global.
9176 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9177 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9178 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9179 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9180 (mips_offset_within_object_p): Handle block symbols.
9181 (mips_atomic_symbolic_constant_p): Delete.
9182 (mips_cannot_force_const_mem): Return false for constants that
9183 mips_legitimize_move can handle.
9184 (mips_use_blocks_for_constant_p): New function.
9185 (mips_split_symbol): Make global.
9186 (mips_move_integer): Likewise. Add a temporary register argument.
9187 (mips_legitimize_const_move): Use splittable_const_int_operand and
9188 splittable_symbolic_operand.
9189 (mips_use_anchors_for_symbol_p): New function.
9190 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9191 (mips_split_p): Declare.
9193 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9195 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9196 (mips*-*-linux*): Likewise.
9198 2006-03-16 Roger Sayle <roger@eyesopen.com>
9199 Daniel Speyer <dspeyer@wam.umd.edu>
9202 * tree-dump.c (dump_real): New function.
9203 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9204 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9205 (tree-dump.o): Add $(REAL_H) to the dependencies.
9207 2006-03-16 Roger Sayle <roger@eyesopen.com>
9210 * real.c (real_from_string): If the mantissa is zero, don't bother
9211 parsing the exponent as the result should always be zero.
9213 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9215 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9217 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9219 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9220 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9221 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9222 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9223 ia64_sched_finish_global): New static functions to implement
9224 hooks from gcc_target.sched.
9225 (spec_check_no, max_uid, pending_data_specs): New static variables.
9226 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9227 ia64_spec_check_src_p): New static functions.
9228 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9229 (TARGET_SCHED_ADJUST_COST): Removed.
9230 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9231 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9232 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9233 TARGET_SCHED_GEN_CHECK,
9234 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9235 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9236 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9237 Fixed to handle speculation checks.
9238 (rtx_needs_barrier): Fixed to handle speculative loads and
9240 (ia64_variable_issue): Added code to count speculative loads and their
9242 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9244 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9246 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9248 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9249 (ia64_reorg): Reset stops_p to NULL after it is freed.
9250 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9251 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9252 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9254 (data_speculative, control_speculative, check_load): New attributes.
9255 (mov<mode>_advanced, mov<mode>_speculative,
9256 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9257 zero_extend<mode>di2_speculative,
9258 zero_extend<mode>di2_speculative_advanced): New patterns for
9259 data and control speculative loads.
9260 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9262 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9263 New pattern for data and control speculation checks.
9264 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9265 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9266 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9267 Auxiliary definitions for the patterns.
9268 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9269 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9271 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9273 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9274 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9275 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9276 New resource constraints.
9277 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9279 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9280 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9281 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9282 msched-in-control-spec, msched-ldc, msched-control-ldc,
9283 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9284 msched-prefer-non-control-spec-insns,
9285 msched-count-spec-in-critical-path): New flags to tune speculative
9287 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9288 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9289 msched-in-control-spec, msched-ldc, msched-control-ldc,
9290 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9291 msched-prefer-non-control-spec-insns,
9292 msched-count-spec-in-critical-path): Document new flags.
9294 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9296 * target.h (struct spec_info_def): New opaque declaration.
9297 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9298 speculate_insn, needs_block_p, gen_check,
9299 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9300 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9301 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9302 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9303 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9304 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9306 (TARGET_SCHED): Use new macros.
9307 * rtl.h (copy_DEPS_LIST_list): New prototype.
9308 * sched-int.h (struct sched_info): Change signature of new_ready field,
9309 adjust all initializations. New fields: add_remove_insn,
9310 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9311 region_head_or_leaf_p.
9312 (struct spec_info_def): New structure declaration.
9313 (spec_info_t): New typedef.
9314 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9315 recovery_block, orig_pat.
9316 (glat_start, glat_end): New variables declaraions.
9317 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9319 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9320 DETACH_LIFE_INFO, USE_GLAT.
9321 (enum SPEC_SCHED_FLAGS): New enumeration.
9322 (NOTE_NOTE_BB_P): New macro.
9323 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9324 attach_life_info, debug_spec_status, check_reg_live): New functions.
9325 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9326 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9328 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9329 * ddg.c (get_block_head_tail): Adjust all uses.
9330 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9331 (sms_sched_info): Initialize new fields.
9332 (contributes_to_priority): Removed.
9333 * haifa-sched.c (params.h): New include.
9334 (get_block_head_tail): Adjust all uses.
9335 (ISSUE_POINTS): New macro.
9336 (glat_start, glat_end): New global variables.
9337 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9338 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9339 old_last_basic_block, before_recovery, current_sched_info_var,
9340 rgn_n_insns, luid): New static variables.
9341 (insn_cost1): New function. Move logic from insn_cost to here.
9342 (find_insn_reg_weight1): New function. Move logic from
9343 find_insn_reg_weight to here.
9344 (reemit_notes, move_insn, max_issue): Change signature.
9345 (move_insn1): Removed.
9346 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9347 extend_bb): New static functions to support extension of scheduler's
9349 (generate_recovery_code, process_insn_depend_be_in_spec,
9350 begin_speculative_block, add_to_speculative_block,
9351 init_before_recovery, create_recovery_block, create_check_block_twin,
9352 fix_recovery_deps): New static functions to support
9353 generation of recovery code.
9354 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9355 restore_bb_notes, move_block_after_check, move_succs): New static
9356 functions to support ebb scheduling.
9357 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9358 functions to support handling of register live information.
9359 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9360 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9361 add_jump_dependencies): New static functions.
9362 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9363 consistancy checking.
9364 (debug_spec_status): New function to call from debugger.
9365 (priority): Added code to handle speculation checks.
9366 (rank_for_schedule): Added code to distinguish speculative instructions.
9367 (schedule_insn): Added code to handle speculation checks.
9368 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9369 Fixed to handle ebbs.
9370 (move_insn): Added code to handle ebb scheduling.
9371 (max_issue): Added code to use ISSUE_POINTS of instructions.
9372 (choose_ready): Added code to choose between speculative and
9373 non-speculative instructions.
9374 (schedule_block): Added code to handle ebb scheduling and scheduling of
9375 speculative instructions.
9376 (sched_init): Initialize new variables.
9377 (sched_finish): Free new variables. Print statistics.
9378 (try_ready): Added code to handle speculative instructions.
9379 * lists.c (copy_DEPS_LIST_list): New function.
9380 * sched-deps.c (extend_dependency_caches): New function. Move logic
9381 from create_dependency_caches to here.
9382 (get_dep_weak, ds_merge): Make global.
9383 * genattr.c (main): Code to output prototype for
9384 dfa_clear_single_insn_cache.
9385 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9386 (output_dfa_clean_insn_cache_func): Code to output
9387 dfa_clear_single_insn_cache function.
9388 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9390 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9392 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9393 New static variables.
9394 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9395 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9397 (ebb_sched_info): Initialize new fields.
9398 (get_block_head_tail): Adjust all uses.
9399 (compute_jump_reg_dependencies): Fixed to use glat_start.
9400 (schedule_ebb): Code to remove unreachable last block.
9401 (schedule_ebbs): Added code to update register live information.
9402 * sched-rgn.c (region_sched_info): Initialize new fields.
9403 (get_block_head_tail): Adjust all uses.
9404 (last_was_jump): Removed. Adjust users.
9405 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9406 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9407 Implement new hooks.
9408 (check_dead_notes1): New static function.
9409 (struct region): New fields: dont_calc_deps, has_real_ebb.
9410 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9411 (BB_TO_BLOCK): Fixed to handle EBBs.
9412 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9413 (ebb_head): New static variable.
9414 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9415 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9417 (compute_dom_prob_ps): New assertion.
9418 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9419 global_live_at_start.
9420 (init_ready_list): New assertions.
9421 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9422 (new_ready): Add support for BEGIN_CONTROL speculation.
9423 (schedule_insns): Fixed code that updates register live information
9425 (schedule_region): Fixed to handle EBBs.
9426 (init_regions): Use extend_regions and check_dead_notes1.
9427 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9428 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9429 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9430 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9431 TARGET_SCHED_GEN_CHECK,
9432 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9433 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9434 * doc/invoke.texi (max-sched-insn-conflict-delay,
9435 sched-spec-prob-cutoff): Document.
9437 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9439 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9440 inter_tick, queue_index.
9441 (struct sched_info): Change signature of init_ready_list field.
9442 Adjust all initializations.
9443 (RESOLVED_DEPS): New access macro.
9444 (ready_add): Remove prototype.
9445 (try_ready): Add prototype.
9446 * sched-rgn.c (init_ready_list): Use try_ready.
9447 (schedule_region): Initialize
9448 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9449 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9450 (init_ready_list): Use try_ready.
9451 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9452 * lists.c (remove_list_elem): Remove `static'.
9453 (remove_free_INSN_LIST_elem): New function.
9454 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9455 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9456 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9458 (readyp): New variable.
9459 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9460 change_queue_index, resolve_dep): New static functions.
9461 (try_ready): New function. Adjust callers in sched-rgn.c and
9462 sched-ebb.c to use it instead of ready_add.
9463 (clock_var): Move at the begining of file.
9464 (rank_for_schedule): Fix typo.
9465 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9466 (ready_lastpos): Enforce assertion.
9467 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9469 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9470 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9471 (queue_to_ready): Use free_INSN_LIST_list.
9472 (early_queue_to_ready): Fix typo.
9473 (schedule_block): Init readyp. Move init_ready_list call after the
9474 initialization of clock_var. Fix error in rejecting insn by
9475 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9476 that previously corrected INSN_TICKs. Add code for handling
9478 (set_priorities): Fix typo.
9479 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9480 Clarify comment and code that keeps current_sched_info->next_tail
9483 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9485 * sched-rgn.c (extend_rgns): New static function.
9486 (find_rgns): Use it.
9487 (gather_region_statistics, print_region_statistics): New static
9489 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9490 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9492 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9493 Andrey Belevantsev <abel@ispras.ru>
9495 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9496 * lists.c (unused_deps_list): New variable.
9497 (free_list): Add assertions to verify the proper distinguishing
9498 between INSN_LISTs and DEPS_LISTs.
9499 (find_list_elem, remove_list_elem, remove_list_node): New static
9501 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9502 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9503 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9504 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9506 (free_INSN_LIST_node): Likewise.
9507 * modulo-sched.c (current_sched_info): Initialize flags field.
9508 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9509 * rtl.def (DEPS_LIST): Define.
9510 * rtl.h: Declare new functions from lists.c.
9511 * sched-deps.c (spec_dependency_cache): New static variable.
9512 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9513 (add_dependence): Change return type to void. Move the logic to ...
9514 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9515 (delete_all_dependences): Add comment about forward_dependency_cache.
9516 Handle spec_dependency_cache. Handle DEPS_LISTs.
9517 (fixup_sched_groups): Clarify the change of priority of output
9518 and anti dependencies.
9519 (sched_analyze_2): Adjust add_dependence calls to create data
9520 speculative dependence.
9521 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9522 Adjust all callers. Handle DEPS_LISTS.
9523 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9524 presence of speculation.
9525 (init_dependency_caches, free_dependency_caches):
9526 Handle spec_dependency_cache.
9527 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9528 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9529 New static functions.
9530 (add_or_update_back_dep, add_or_update_back_forw_dep,
9531 add_back_forw_dep, delete_back_forw_dep): New functions.
9532 * sched-int.h (ds_t, dw_t): New typedefs.
9533 (struct sched_info): Add new field flags.
9534 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9535 Prototype new sched-deps.c functions.
9536 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9537 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9538 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9539 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9540 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9541 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9543 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9545 * sched-rgn.c (current_sched_info): Initialize flags field.
9546 (schedule_insns): Initialize current_sched_info before the sched_init
9548 * sched-ebb.c (current_sched_info): Initialize flags field.
9549 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9550 Call add_or_update_back_dep instead of add_dependence.
9551 Create control speculative dependencies.
9552 (schedule_insns): Initialize current_sched_info before the sched_init
9555 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9557 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9559 (sh_fallback_frame_state): Likewise.
9561 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9563 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9564 Do switch on default_use_cxa_atexit.
9565 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9566 * config/darwin-crt3.o: New.
9567 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9568 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9569 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9571 * config/rs6000/t-darwin: Move crt2.o building to here.
9572 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9573 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9576 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9578 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9579 from '! xxx' to '!xxx' for coding-style conformance.
9580 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9581 (EXTRA_CONSTRAINT): Likewise.
9582 * config/vax/vax.md (four unnamed insns): Likewise.
9584 2006-03-15 Paul Brook <paul@codesourcery.com>
9586 * config/arm/arm.c (minipool_pad): New.
9587 (add_minipool_forward_ref): Include pool alignment padding in address
9589 (push_minipool_fix): Set minipool_pad.
9590 (minipool_pad): Ditto.
9592 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9594 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9595 instead of GET_CODE() == MEM and REG_P() instead of
9597 (print_operand_address): Likewise.
9598 (vax_address_cost): Likewise.
9599 (vax_rtx_costs): Likewise.
9600 (vax_notice_update_cc): Likewise.
9601 (vax_output_int_add): Likewise.
9602 (INDEX_REGISTER_P): Likewise.
9603 (BASE_REGISTER_P): Likewise.
9604 (nonindexed_address_p): Likewise.
9605 (vax_mode_dependent_address_p): Likewise.
9606 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9607 (PRINT_OPERAND): Likewise.
9608 * config/vax/vax.md (ashlsi3): Likewise.
9609 (ashlsi3): Likewise.
9610 (some more unnamed insns): Likewise.
9612 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9614 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9615 iterator-style macro.
9616 (mark_control_dependent_edges_necessary): Update the use of
9617 EXECUTE_IF_CONTROL_DEPENDENT.
9619 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9621 * config/sh/predicates.md (cache_address_operand): Special.
9622 (ua_address_operand): Likewise.
9624 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9626 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9628 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9630 2006-03-15 Andreas Schwab <schwab@suse.de>
9632 * gensupport.c (identify_predicable_attribute): Don't free p_false
9633 when it is still in use.
9635 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9637 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9638 the default setting here.
9640 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9642 * tree-pass.h (pass_cfg): Remove.
9643 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9644 * passes.c (pass_cfg): Don't run it.
9646 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9648 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9649 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9651 (stack_regs_mentioned): Update the uses of
9652 stack_regs_mentioned_data. Don't access the array beyond its
9654 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9655 Don't include gt-reg-stack.h.
9657 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9658 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9660 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9663 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9666 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9668 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9670 2006-03-14 Richard Guenther <rguenther@suse.de>
9672 PR tree-optimization/26672
9673 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9676 2006-03-14 Richard Guenther <rguenther@suse.de>
9678 PR tree-optimization/26667
9679 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9680 node for the callees. Always allow inlining if it will shrink
9683 2006-03-14 Richard Guenther <rguenther@suse.de>
9686 * builtins.c (get_pointer_alignment): Prefer alignment
9687 information from decls over that from types.
9689 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9692 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9694 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9696 * config/rs6000/rs6000.opt (mdlmzb): New option.
9697 (msched-prolog, msched-epilog): Use Var not Mask.
9698 * doc/invoke.texi (-mdlmzb): Document.
9699 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9701 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9702 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9704 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9706 PR rtl-optimization/25739
9707 * bt-load.c (augment_live_range): Free tos pointer.
9709 * gensupport.c (identify_predicable_attribute): Free
9711 * gcov.c (create_file_names): Free name pointer.
9713 2006-03-13 Roger Sayle <roger@eyesopen.com>
9716 * stmt.c (emit_case_nodes): Handle the case where the index is a
9717 CONST_INT, where the comparison mode is specified by the index type.
9719 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9721 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9724 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9726 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9727 (*branch_fp_inverted): Likewise.
9729 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9732 * omp-low.c (expand_omp_for_generic): Mark istart0
9733 and iend0 as addressable.
9735 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9737 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9739 2006-03-13 Jeff Law <law@redhat.com>
9741 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9742 virtual operands are interesting.
9743 (vrp_visit_stmt): Corresponding changes.
9745 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9747 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9749 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9750 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9751 * config/bfin/crti.S: Use it instead of __PIC__.
9752 * config/bfin/crtn.S: Likewise.
9754 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9755 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9757 Lose 'G' modifier for call operand.
9758 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9759 recognize 'G' modifier.
9761 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9764 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9765 * stmt.c (expand_case): Likewise.
9767 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9769 PR rtl-optimization/26254
9770 * loop-invariant.c (seq_insns_valid_p): New function.
9771 (move_invariant_reg): Only emit new code if it is valid.
9773 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9775 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9777 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9778 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9779 (commit_one_edge_insertion): Do not look for loop notes.
9781 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9783 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9784 flag_test_coverage out of loop.
9786 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9788 * final.c (shorten_branches): Remove outdated comment, and turn
9789 the if branch that guards it to continue.
9791 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9793 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9794 * cfgloop.h (struct loop): Remove unused fields.
9796 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9798 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9799 (-dL, -fdump-rtl-loop2): Update the dump file names
9801 * doc/invoke.texi: Update dump file names.
9803 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9805 * predict.c (estimate_probability): Remove.
9806 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9807 * basic-block.h (estimate_probability): Remove prototype.
9808 * passes.c (finish_optimization_passes): Dump branch prediction or
9809 profiling heuristics to the .profile tree dump.
9810 (init_optimization_passes): Unqueue pass_branch_prob.
9812 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9814 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9816 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9817 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9819 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9821 * function.h (frame_offset_overflow): Declare.
9822 * function.c (frame_offset_overflow): New function.
9823 (assign_stack_local_1): Call it to detect that the offset overflows.
9824 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9826 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9828 * config/sh/sh.c: Include alloc-pool.h.
9829 (label_ref_list_pool): New alloc pool.
9830 (label_ref_list_t): New type for lists of labels.
9831 (struct pool_node): Make wend a label_ref_list_t.
9832 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9834 (dump_table): Likewise.
9835 (sh_reorg): Set up the alloc pool before using add_constant and
9836 dump_table, and destroy it when finishing.
9838 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9840 * config/mips/mips.c: Remove redundant comment.
9842 2006-03-10 Jason Merrill <jason@redhat.com>
9845 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9846 the target was declared 'register'.
9848 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9850 * genpreds.c (write_insn_constraint_len): Change definition of
9851 insn_constraint_len to return size_t to match the declaration.
9853 2006-03-10 DJ Delorie <dj@redhat.com>
9855 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9857 (m32c_expand_insv): Fix test for an AND mask.
9859 2006-03-10 Richard Guenther <rguenther@suse.de>
9862 * builtins.c (get_pointer_alignment): Handle component
9863 references for field alignment.
9865 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9867 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9868 when building with libgloss.
9869 (sh*elf): Implement --without-fp option.
9870 (sh64-superh-linux*): Don't multilib.
9872 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9874 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9876 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9878 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9879 Set it when one of the replacement functions returned true.
9880 Return TODO_cleanup_cfg if cfgchanged is true.
9881 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9883 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9885 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9886 instead of gen_lowpart.
9888 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9890 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9892 (mips_output_order_conditional_branch): Declare.
9893 * config/mips/mips.h (MIPS_BRANCH): New macro.
9894 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9895 for the comparison. Use gen_condjump.
9896 (mips_output_conditional_branch): Rework interface to take the
9897 asm templates for a direct branch and the inverse of a direct branch.
9898 (mips_output_order_conditional_branch): New function.
9899 (mips_builtin_branch_and_move): New function.
9900 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9901 branch condition. Use gen_single_cc as the condition for
9902 __builtin_mips_upper_* or __builtin_mips_lower_*.
9903 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9904 Use VOIDmode for the branch condition.
9905 * config/mips/predicates.md (order_operator): New predicate.
9906 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9907 (branch_fp): Rename to...
9908 (*branch_fp): ...this. Remove mode from comparison operator.
9909 Use new mips_output_conditional_branch interface.
9910 (branch_fp_inverted): Rename to...
9911 (*branch_fp_inverted): ...this and update as for *branch_fp.
9912 (*branch_zero<mode>): Rename to...
9913 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9914 Use mips_output_order_conditional_branch. Only accept ordered
9916 (*branch_zero<mode>_inverted): Rename to...
9917 (*branch_order<mode>_inverted): ...this and update as for
9918 *branch_order<mode>.
9919 (*branch_equality<mode>): Accept zero as the second operand to
9920 the equality operator. Use the new mips_output_conditional_branch
9922 (*branch_equality<mode>_inverted): Likewise.
9923 (condjump): New expander.
9924 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9926 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9927 (bc1any2t, bc1any2f): Likewise.
9928 (single_cc): New expander.
9929 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9931 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9933 * doc/md.texi: Update documentation of MIPS constraints.
9934 * config/mips/constraints.md: New file.
9935 * config/mips/mips.md: Include it.
9936 * config/mips/mips.c (mips_char_to_class): Delete.
9937 (override_options): Don't initialize mips_char_to_class.
9938 * config/mips/mips.h (mips_char_to_class): Delete.
9939 (REG_CLASS_FROM_LETTER): Delete.
9940 (CONST_OK_FOR_LETTER_P): Delete.
9941 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9942 (EXTRA_CONSTRAINT_Y): Delete.
9943 (EXTRA_CONSTRAINT_STR): Delete.
9944 (CONSTRAINT_LEN): Delete.
9945 (EXTRA_MEMORY_CONSTRAINT): Delete.
9947 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9949 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9950 original fn's eh regions.
9952 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9954 * fold-const.c (build_range_check): Make sure to use a valid type to
9955 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9958 (range_predecessor): New static function.
9959 (range_successor): Likewise.
9960 (merge_ranges): Use them to compute predecessors and successors of
9963 2006-03-09 Roger Sayle <roger@eyesopen.com>
9966 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9967 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9969 2006-03-08 DJ Delorie <dj@redhat.com>
9971 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9972 (addpsi3): Expand to include memory operands. Remove
9973 reload-specific splits.
9974 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9975 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9976 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9977 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9978 (shift1_qi, shift1_hi, insv): New.
9979 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9980 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9981 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9983 * config/m32c/m32c-protos.h: Update as needed.
9984 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9985 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9986 Fail for unrecognized R* constraints.
9987 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9988 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9989 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9991 (m32c_init_libfuncs): New.
9992 (m32c_legitimate_address_p): Add debug wrapper.
9993 (m32c_rtx_costs): New.
9994 (m32c_address_cost): New.
9995 (conversions): Add 'B' prefix.
9996 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9997 operands, or word regnames for QI operands. 'B' prints bit
9999 (m32c_expand_setmemhi): New.
10000 (m32c_expand_movmemhi): New.
10001 (m32c_expand_movstr): New.
10002 (m32c_expand_cmpstr): New.
10003 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10004 (m32c_expand_neg_mulpsi3): Handle non-ints.
10005 (m32c_cmp_flg_0): New.
10006 (m32c_expand_movcc): New.
10007 (m32c_expand_insv): New.
10008 (m32c_scc_pattern): New.
10009 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10010 a0/a1 out of SIregs.
10011 (STORE_FLAG_VALUE): New.
10012 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10015 * config/m32c/mov.md: Make constraints more liberal.
10016 (zero_extendqihi2): Optimize r0/r1 case.
10017 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10018 * config/m32c/predicates.md (m32c_any_operand): New.
10019 (m32c_nonimmediate_operand): New.
10020 (m32c_hl_operand): New.
10021 (m32c_r3_operand): New.
10024 (memsym_operand): New.
10025 (memimmed_operand): New.
10026 (a_qi_operand): New.
10027 (m32c_eqne_operator): New.
10028 (m32c_1bit8_operand): New.
10029 (m32c_1bit16_operand): New.
10030 (m32c_1mask8_operand): New.
10031 (m32c_1mask16_operand): New.
10032 * config/m32c/blkmov.md: New file.
10033 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10035 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10037 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10038 unsigned to fix signed/unsigned comparison issue in
10039 DWARF2_FRAME_REG_OUT.
10040 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10041 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10043 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10044 of ptr into the ENABLE_CHECKING section.
10046 2006-03-08 Jeff Law <law@redhat.com>
10048 * tree-vrp.c (infer_value_range): Only count pointer uses
10049 and dereferences if -fdelete-null-pointer-checks is enabled.
10051 * tree-vrp.c (find_assert_locations): Infer value ranges for
10052 single use pointers, but do not create ASSERT_EXPRs for them.
10053 When a non-null range is inferred for a pointer, backwards
10054 propagate that range to other equivalent pointers through the
10057 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10060 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10061 language hook targets.
10062 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10063 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10064 if language hook targets were missing.
10066 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10068 * tree-ssa-opfinalize.h: Removed.
10069 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10071 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10072 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10073 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10074 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10075 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10076 finalize_ssa_v_must_def_ops): New.
10078 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10080 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10081 block as parameter.
10083 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10085 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10087 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10088 addresses with offsets; reorganize.
10090 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10091 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10092 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10094 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10097 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10099 2006-03-08 Ben Elliston <bje@au.ibm.com>
10101 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10103 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10106 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10109 2006-03-07 Richard Guenther <rguenther@suse.de>
10111 PR tree-optimization/26587
10112 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10114 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10116 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10118 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10120 * hooks.c (hook_bool_mode_rtx_true): New function.
10121 * hooks.h (hook_bool_mode_rtx_true): Declare.
10122 * toplev.c (compile_file): Call output_shared_constant_pool.
10123 * varasm.c (shared_constant_pool): New variable.
10124 (assemble_start_function, assemble_end_function): Remove arguments
10125 from call to output_constant_pool.
10126 (create_constant_pool): New function, split out from...
10127 (init_varasm_status): ...here.
10128 (force_const_mem): Choose between the shared and per-function constant
10129 pools. Set current_function_uses_const_pool when reusing old entries
10130 as well as when creating new ones.
10131 (mark_constant): Ignore data argument.
10132 (mark_constants): Remove pool argument.
10133 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10134 to decide whether the function uses a constant pool.
10135 (output_constant_pool_contents): New function, split out from...
10136 (output_constant_pool): ...here.
10137 (output_shared_constant_pool): New function.
10138 (init_varasm_once): Initialize shared_constant_pool.
10139 * output.h (output_constant_pool): Delete.
10140 (output_shared_constant_pool): Declare.
10141 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10142 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10144 2006-03-06 Nick Clifton <nickc@redhat.com>
10146 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10147 flag_strength_reduce.
10149 2006-03-06 Ben Elliston <bje@au.ibm.com>
10151 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10152 x86_64-*-linux* configurations.
10154 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10155 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10157 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10159 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10161 * basic-block.h: Remove the extern for
10162 rediscover_loops_after_threading.
10164 * cfgloop.c (cancel_loop): Make it static.
10165 * cfgloop.h: Remove the prototype for cancel_loop.
10167 * flow.c (recompute_reg_usage): Make it static.
10168 * rtl.h: Remove the prototype for recompute_reg_usage.
10170 * function.c (use_return_register): Make it static.
10171 * function.h: Remove the prototype.
10173 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10175 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10177 * recog.h: Remove the prototype for
10178 validate_change_maybe_volatile.
10180 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10182 * rtlanal.c (replace_reg): Remove.
10183 * rtl.h: Remove the prototype for replace_reg.
10185 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10187 * regclass.c (reg_scan_update): Remove.
10188 (reg_scan_mark_refs): Remove the last argument.
10189 * rtl.h: Remove the prototype for reg_scan_update.
10191 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10193 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10194 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10195 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10196 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10197 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10198 loop-invariant.c, omp-low.c, opts.c, passes.c,
10199 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10200 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10201 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10202 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10203 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10204 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10206 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10208 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10209 * dwarf2out.h: Remove the prototype for
10210 dwarf2out_add_library_unit_info.
10212 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10214 * tree.c (add_var_to_bind_expr): Remove.
10215 * tree.h: Remove the prototype for add_var_to_bind_expr.
10217 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10219 * regclass.c (n_non_fixed_regs): Remove.
10220 (init_reg_sets_1, globalize_reg): Remove all uses of
10222 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10224 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10226 * rtlanal.c (insns_safe_to_move_p): Remove.
10227 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10229 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10231 * expmed.c (expand_mult_add): Remove.
10232 * expr.h: Remove the prototype for expand_mult_add.
10234 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10236 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10237 and REG_SAVED_VAL_EXP constants.
10238 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10239 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10240 Handle regs stored by value.
10241 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10242 (execute_cfa_program): Handle DW_CFA_val_offset,
10243 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10244 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10245 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10246 (uw_install_context_1): Handle target regs stored by value.
10248 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10250 * tree-sra.c (tree_sra): Return todoflags;
10251 (generate_one_element): Set TODO_update_smt_usage if needed.
10252 (pass_sra): Remove TODO_update_smt_usage.
10253 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10255 (tree_ssa_forward_propagate_single_use_vars): Return
10256 TODO_update_smt_usage if we need to update SMT usage.
10257 (pass_forwprop): Remove TODO_update_smt_usage.
10259 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10261 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10262 (correct_use_link): Remove reference to get_stmt_operands.
10263 (update_stmt_operands): Likewise.
10264 (get_modify_expr_operands): New function factored out of
10265 parse_ssa_operands and get_expr_operands.
10266 Try to create V_MUST_DEFs for LHS by default.
10267 (get_expr_operands) <case MODIFY_EXPR>: Call
10268 get_modify_expr_operands.
10269 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10270 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10271 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10272 get_modify_expr_operands.
10274 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10276 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10277 * tree-flow.h: Remove the prototype for
10278 referenced_var_lookup_if_exists.
10280 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10282 PR rtl-optimization/26345
10284 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10286 2006-03-03 Roger Sayle <roger@eyesopen.com>
10288 PR tree-optimization/26524
10289 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10290 fold_convert to create a constant of the appropriate type.
10292 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10294 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10295 SYMBOL_REF_IN_BLOCK_P.
10296 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10297 of SYMBOL_FLAG_IN_BLOCK.
10298 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10299 instead of SYMBOL_REF_IN_BLOCK_P.
10300 * explow.c (use_anchored_address): Likewise.
10301 * rtl.c (rtx_size): Likewise.
10302 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10303 instead of SYMBOL_FLAG_IN_BLOCK.
10304 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10305 SYMBOL_REF_IN_BLOCK_P.
10306 (assemble_variable): Likewise.
10307 (output_constant_def_contents): Likewise.
10308 (output_constant_pool): Likewise.
10309 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10310 instead of SYMBOL_FLAG_IN_BLOCK.
10311 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10312 SYMBOL_REF_IN_BLOCK_P.
10313 (SYMBOL_REF_BLOCK): Likewise.
10314 (SYMBOL_REF_OFFSET): Likewise.
10315 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10316 SYMBOL_REF_IN_BLOCK_P.
10317 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10318 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10319 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10320 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10322 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10324 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10326 2006-03-02 Roger Sayle <roger@eyesopen.com>
10328 * simplify-rtx.c (simplify_unary_operation): When simplifying
10329 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10330 that we perform the right shift in the appropriate mode, and
10331 then extend or truncate the result to requested mode.
10333 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10335 * gengtype.c (main): Handle double_int type.
10336 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10337 * double-int.c: New file.
10338 * double-int.h: New file.
10339 * system.h: Include doubleint.h.
10340 * Makefile.in (SYSTEM_H): Include double-int.h.
10341 (double-int.o): Add.
10343 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10346 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10349 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10351 * tree-vrp.c (remove_range_assertions): Do not update statements
10354 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10356 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10358 * gcse.c (rest_of_handle_gcse): Ditto.
10359 * except.c (gate_handle_eh): Ditto.
10360 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10361 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10363 2006-03-02 Eric Christopher <echristo@apple.com>
10365 * config/i386/i386.c (machopic_output_stub): Add indirection to
10368 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10372 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10374 Sun Niagara specific optimizations.
10375 * config.gcc: Recognize niagara as target.
10376 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10377 (TARGET_CPU_niagara): Define.
10378 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10379 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10380 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10381 (ASM_CPU_SPEC): Likewise.
10382 (PROCESSOR_NIAGARA): New enum entry.
10383 (REGISTER_MOVE_COST): Handle Niagara.
10384 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10385 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10386 (sparc_override_options): Recognize "niagara", set appropriate
10387 default MASK_* values for it, and align functions to 32-bytes
10388 by default just like ULTRASPARC/ULTRASPARC3.
10389 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10390 (sparc64_initialize_trampoline): Likewise.
10391 (sparc_use_sched_lookahead): Use zero for niagara.
10392 (sparc_issue_rate): Use one for niagara.
10393 * config/sparc/niagara.md: New file.
10394 * config/sparc/sparc.md: Include it.
10395 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10396 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10397 when default cpu is niagara.
10398 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10399 (ASM_CPU_SPEC): Likewise.
10400 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10401 when default cpu is niagara.
10402 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10403 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10404 just like v9/ultrasparc/ultrasparc3.
10405 * doc/invoke.texi: Add documentation for "niagara" and improve
10406 existing documentation for ultrasparc variants.
10408 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10410 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10412 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10414 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10415 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10416 and say that only one is needed.
10417 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10418 * target.h (have_switchable_bss_sections): New hook.
10419 * explow.c (use_anchored_address): Check that the symbol is in a block.
10420 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10421 (bss_noswitch_section): New variables.
10422 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10423 (get_noswitch_section): New function.
10424 (get_block_for_section): Allow SECT to be null.
10425 (unlikely_text_section_p): Use SECTION_STYLE.
10426 (bss_initializer_p): New function.
10427 (get_variable_section): Move earlier in file. Take a new argument,
10428 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10429 Return one of the new *_sections in such cases.
10430 (get_block_for_decl): New function, extracting some logic from
10431 use_blocks_for_decl_p.
10432 (change_symbol_section): Remove in favor of...
10433 (change_symbol_block): ...this new function.
10434 (use_blocks_for_decl_p): Remove checks now performed by
10435 get_block_for_decl.
10436 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10437 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10438 (emit_local, emit_bss, emit_common): ...these new functions.
10439 Return true if the alignment was honored.
10440 (emit_tls_common): New function.
10441 (asm_emit_uninitialised): Delete.
10442 (assemble_variable_noswitch): New function, split out from...
10443 (assemble_variable): ...here. Don't make decisions about common
10444 variables here. Globalize all public decls that go into non-common
10445 sections. Check whether SYMBOL_REF_BLOCK is null.
10446 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10447 (output_constant_pool): Likewise.
10448 (init_varasm_once): Initialize the new section variables.
10449 (have_global_bss_p): New function.
10450 (categorize_decl_for_section): Use bss_initializer_p.
10451 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10452 (place_block_symbol): Assert that the symbol must be in a block.
10453 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10454 (TARGET_INITIALIZER): Include it.
10455 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10456 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10457 (SECTION_MACH_DEP): Bump by two.
10458 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10459 (unnamed_section): Mention SECTION_UNNAMED in comment.
10460 (named_section): Likewise SECTION_NAMED.
10461 (noswitch_section_callback): New type.
10462 (noswitch_section): New structure.
10463 (section): Add a noswitch_section alternative.
10464 (SECTION_STYLE): New macro.
10465 (tls_comm_section, comm_section, lcomm_section): Declare.
10466 (bss_noswitch_section, have_global_bss_p): Declare.
10467 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10468 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10470 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10471 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10474 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10476 * tree-vrp.c (execute_vrp): Return value.
10477 * regrename.c (rest_of_handle_regrename): Ditto.
10478 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10479 * tree-complex.c (tree_lower_complex): Ditto.
10480 (tree_lower_complex_O0): Ditto.
10481 * tracer.c (rest_of_handle_tracer): Ditto.
10482 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10483 * postreload.c (rest_of_handle_postreload): Ditto.
10484 * tree-tailcall.c (execute_tail_recursion): Ditto.
10485 (execute_tail_calls): Ditto.
10486 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10487 * tree.h (init_function_for_compilation): Ditto.
10488 * ipa-cp.c (ipcp_driver): Ditto.
10489 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10490 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10491 * final.c (compute_alignments): Ditto.
10492 (rest_of_handle_final): Ditto.
10493 (rest_of_handle_shorten_branches): Ditto.
10494 (rest_of_clean_state): Ditto.
10495 * omp-low.c (execute_expand_omp): Ditto.
10496 (execute_lower_omp): Ditto.
10497 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10498 * ipa-reference.c (static_execute): Ditto.
10499 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10500 * reorg.c (rest_of_handle_delay_slots): Ditto.
10501 (rest_of_handle_machine_reorg): Ditto.
10502 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10503 * flow.c (recompute_reg_usage): Ditto.
10504 (rest_of_handle_remove_death_notes): Ditto.
10505 (rest_of_handle_life): Ditto.
10506 (rest_of_handle_flow2): Ditto.
10507 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10508 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10509 (do_ssa_store_ccp): Ditto.
10510 (execute_fold_all_builtins): Ditto.
10511 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10512 * modulo-sched.c (rest_of_handle_sms): Ditto.
10513 * ipa-pure-const.c (static_execute): Ditto.
10514 * cse.c (rest_of_handle_cse): Ditto.
10515 (rest_of_handle_cse2): Ditto.
10516 * web.c (rest_of_handle_web): Ditto.
10517 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10518 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10519 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10520 * tree-nrv.c (tree_nrv): Ditto.
10521 (execute_return_slot_opt): Ditto.
10522 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10523 (create_structure_vars): Ditto.
10524 * loop-init.c (rtl_loop_init): Ditto.
10525 (rtl_loop_done): Ditto.
10526 (rtl_move_loop_invariants): Ditto.
10527 (rtl_unswitch): Ditto.
10528 (rtl_unroll_and_peel_loops): Ditto.
10529 (rtl_doloop): Ditto.
10530 * gimple-low.c (lower_function_body): Ditto.
10531 (mark_used_blocks): Ditto.
10532 * tree-ssa-sink.c (execute_sink_code): Ditto.
10533 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10534 (cgraph_early_inlining): Ditto.
10535 * global.c (rest_of_handle_global_alloc): Ditto.
10536 * jump.c (cleanup_barriers): Ditto.
10537 (purge_line_number_notes): Ditto.
10538 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10539 (rest_of_handle_if_after_reload): Ditto.
10540 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10541 (tree_ssa_loop_im): Ditto.
10542 (tree_ssa_loop_unswitch): Ditto.
10543 (tree_vectorize): Ditto.
10544 (tree_linear_transform): Ditto.
10545 (tree_ssa_loop_ivcanon): Ditto.
10546 (tree_ssa_empty_loop): Ditto.
10547 (tree_ssa_loop_bounds): Ditto.
10548 (tree_complete_unroll): Ditto.
10549 (tree_ssa_loop_prefetch): Ditto.
10550 (tree_ssa_loop_ivopts): Ditto.
10551 (tree_ssa_loop_done): Ditto.
10552 * predict.c (tree_estimate_probability): Ditto.
10553 * recog.c (split_all_insns_noflow): Ditto.
10554 (rest_of_handle_peephole2): Ditto.
10555 (rest_of_handle_split_all_insns): Ditto.
10556 * tree-eh.c (lower_eh_constructs): Ditto.
10557 * regmove.c (rest_of_handle_regmove): Ditto.
10558 (rest_of_handle_stack_adjustments): Ditto.
10559 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10560 * function.c (instantiate_virtual_regs): Ditto.
10561 (init_function_for_compilation): Ditto.
10562 (rest_of_handle_check_leaf_regs): Ditto.
10563 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10564 (rest_of_handle_gcse): Ditto.
10565 * ipa-type-escape.c (type_escape_execute): Ditto.
10566 * alias.c (rest_of_handle_cfg): Ditto.
10567 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10568 * profile.c (rest_of_handle_branch_prob): Ditto.
10569 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10570 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10571 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10572 * tree-dfa.c (find_referenced_vars): Ditto.
10573 * except.c (set_nothrow_function_flags): Ditto.
10574 (convert_to_eh_region_ranges): Ditto.
10575 (rest_of_handle_eh): Ditto.
10576 * emit-rtl.c (unshare_all_rtl): Ditto.
10577 (remove_unnecessary_notes): Ditto.
10578 * except.h (set_nothrow_function_flags): Ditto.
10579 (convert_to_eh_region_ranges): Ditto.
10580 * cfgexpand.c (tree_expand_cfg): Ditto.
10581 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10582 * tree-ssa-pre.c (do_pre): Ditto.
10583 (execute_fre): Ditto.
10584 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10585 (rest_of_handle_jump2): Ditto.
10586 * tree-sra.c (tree_sra): Ditto.
10587 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10588 (execute_mudflap_function_decls): Ditto.
10589 * tree-ssa-copy.c (do_copy_prop): Ditto.
10590 (do_store_copy_prop): Ditto.
10591 * ipa-prop.h (ipcp_driver): Ditto.
10592 * cfglayout.c (insn_locators_initialize): Ditto.
10593 * tree-ssa-forwprop.c
10594 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10595 * cfglayout.h (insn_locators_initialize): Ditto.
10596 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10597 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10598 (execute_late_warn_uninitialized): Ditto.
10599 * rtl.h (cleanup_barriers): Ditto.
10600 (split_all_insns_noflow): Ditto.
10601 (purge_line_number_notes): Ditto.
10602 (unshare_all_rtl): Ditto.
10603 (remove_unnecessary_notes): Ditto.
10604 (recompute_reg_usage): Ditto.
10605 (variable_tracking_main): Ditto.
10606 * integrate.c (emit_initial_value_sets): Ditto.
10607 * integrate.h (emit_initial_value_sets): Ditto.
10608 * tree-optimize.c (execute_free_datastructures): Ditto
10609 (execute_free_cfg_annotations): Ditto.
10610 (execute_fixup_cfg): Ditto.
10611 (execute_cleanup_cfg_pre_ipa): Ditto.
10612 (execute_cleanup_cfg_post_optimizing): Ditto.
10613 (execute_init_datastructures): Ditto.
10614 * tree-object-size.c (compute_object_sizes): Ditto.
10615 * combine.c (rest_of_handle_combine): Ditto.
10616 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10617 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10618 (rest_of_handle_reorder_blocks): Ditto.
10619 (rest_of_handle_partition_blocks): Ditto.
10620 * var-tracking.c (variable_tracking_main): Ditto.
10621 * tree-profile.c (tree_profiling): Ditto.
10622 * tree-vect-generic.c (expand_vector_operations): Ditto.
10623 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10624 * sched-rgn.c (rest_of_handle_sched): Ditto.
10625 (rest_of_handle_sched2): Ditto.
10626 * basic-block.h (free_bb_insn): Ditto.
10627 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10628 * tree-cfg.c (execute_build_cfg): Ditto.
10629 (remove_useless_stmts): Ditto.
10630 (split_critical_edges): Ditto.
10631 (execute_warn_function_return): Ditto.
10632 (execute_warn_function_noreturn): Ditto.
10633 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10634 * cfgrtl.c (free_bb_for_insn): Ditto.
10635 * passes.c (execute_one_pass): Run additional
10636 todos returned by execute function.
10637 * tree-pass.h (struct tree_opt_pass): Make execute
10640 2006-03-02 Richard Guenther <rguenther@suse.de>
10642 * tree-ssa-alias.c (find_used_portions): Consider taking
10643 the address as making the variable not write-only.
10645 2006-03-02 Nick Clifton <nickc@redhat.com>
10647 * config.gcc (default_use_cxa_atexit): Extend the description of
10648 this configure variable. Set its default value to "yes" for
10649 Linux, NetBSD and ELF targets on the assumption that they will
10650 use C libraries with the __cxa_atexit function.
10652 2006-03-02 Ben Elliston <bje@au.ibm.com>
10654 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10655 parameter as unused to suppress a build warning.
10657 2006-03-02 Ben Elliston <bje@au.ibm.com>
10659 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10662 2006-03-01 Roger Sayle <roger@eyesopen.com>
10665 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10666 declared name, the weak reference name, and the typeof name.
10667 (__gthrw): Avoid expanding the declared name suffix.
10668 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10670 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10672 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10674 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10675 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10676 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10677 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10678 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10679 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10680 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10681 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10682 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10683 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10684 (DW_END_default, DW_END_big, DW_END_little): New.
10685 (DW_END_lo_user, DW_END_hi_user): Define.
10686 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10687 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10688 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10691 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10693 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10695 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10697 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10699 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10701 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10702 to 'symbol_mem_tag'.
10704 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10707 2006-03-01 Roger Sayle <roger@eyesopen.com>
10709 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10711 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10714 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10715 MACHO_DYNAMIC_NO_PIC_P.
10716 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10718 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10721 * config/darwin-protos.h (darwin_asm_output_anchor):
10723 * config/darwin-sections.def (cstring_section):
10724 Add SECTION_MERGE to the flags.
10725 (literal4_section): Likewise.
10726 (literal8_section): Likewise.
10727 (objc_selector_refs_section): Likewise.
10728 (objc_cls_refs_section): Likewise.
10729 * config/darwin.c (darwin_asm_output_anchor): New
10731 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10733 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10735 Fix PR tree-optimization/26443
10736 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10737 to todo and PROP_tmt_usage to properties_destroyed.
10738 * tree-ssa-ccp.c (pass_ccp): Ditto.
10739 (pass_store_ccp): Ditto.
10740 * tree-ssa-dom.c (pass_dominator): Ditto.
10742 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10744 * tree-ssa-operands.c: Cleanup whitespace.
10745 (get_asm_expr_operands): Move before first invocation.
10746 (get_indirect_ref_operands): Likewise.
10747 (get_tmr_operands): Likewise.
10748 (get_call_expr_operands): Likewise.
10749 (append_def): Likewise.
10750 (append_use): Likewise.
10751 (append_v_may_def): Likewise.
10752 (append_v_must_def): Likewise.
10753 (add_call_clobber_ops): Likewise.
10754 (add_call_read_ops): Likewise.
10755 (add_stmt_operand): Likewise.
10756 (add_virtual_operand): Likewise.
10757 (build_ssa_operands): Likewise.
10759 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10761 PR middle-end/26022
10763 PR middle-end/24437
10764 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10765 with a call expr to ...
10766 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10768 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10770 * tree-vrp.c (extract_range_from_assert): Remove special
10771 handling for types with super-types.
10773 2006-03-01 Ben Elliston <bje@au.ibm.com>
10775 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10776 and powerpc64-*-linux* configurations.
10777 * config/t-dfprules: New file.
10779 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10780 Compile dfp-bit.c from the source directory using -DWIDTH and
10781 $DFP_CFLAGS to control the compilation of that file, rather than
10782 generating width-specific versions in the build directory.
10783 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10784 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10786 2006-02-28 Zack Weinberg <zackw@panix.com>
10788 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10791 2006-02-28 Eric Christopher <echristo@apple.com>
10793 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10794 Set up IN_LIBGCC definition of TARGET_64BIT.
10795 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10797 2006-02-28 Roger Sayle <roger@eyesopen.com>
10799 PR middle-end/14752
10800 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10801 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10802 cases via the construction of "expr != 0".
10804 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10806 * alias.c (alias_invariant, alias_invariant_size): Remove.
10807 (record_base_value): Remove.
10808 (memrefs_conflict_p): Don't look at alias_invariant.
10809 (end_alias_analysis): Don't free it.
10810 * alias.h (record_base_value): Remove prototype.
10812 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10813 Adam Nemet <anemet@caviumnetworks.com>
10815 * rtl.h (truncated_to_mode): Declare it.
10816 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10817 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10818 (RTL_HOOKS_INITIALIZER): Include it.
10819 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10820 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10821 reg_truncated_to_mode.
10822 * rtlanal.c (truncated_to_mode): Define it.
10823 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10825 2006-02-28 Jeff Law <law@redhat.com>
10827 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10828 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10829 the range allowed by TYPE_PRECISION.
10831 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10833 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10835 PR tree-optimization/26419
10836 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10839 2006-02-27 Zack Weinberg <zackw@panix.com>
10841 * doc/md.texi: Fix typo in previous change.
10843 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10847 2006-02-27 Zack Weinberg <zackw@panix.com>
10849 * rtl.def (define_constraint, define_register_constraint)
10850 (define_memory_constraint, define_address_constraint): New MD forms.
10851 * gensupport.c (process_rtx): Put define_constraint etc on the
10853 * genpreds.c (process_define_predicate): Adjust comment. Validate
10854 the name, and call validate_exp to validate the expression.
10855 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10856 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10857 all callers changed.
10858 (validate_exp, needs_variable, struct constraint_data)
10859 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10860 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10861 (const_dbl_constraints, constraint_max_namelen)
10862 (have_register_constraints, have_memory_constraints)
10863 (have_address_constraints, have_address_constraints)
10864 (have_extra_constraints, have_const_int_constraints)
10865 (have_const_dbl_constraints, mangle, add_constraint)
10866 (process_define_constraint, process_define_register_constraint)
10867 (write_enum_constraint_num, write_lookup_constraint)
10868 (write_insn_constraint_len, write_regclass_for_constraint)
10869 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10870 (write_insn_extra_memory_constraint)
10871 (write_insn_extra_address_constraint)
10872 (write_satisfies_constraint_fns): New.
10873 (write_tm_preds_h): If we have new-style constraint definitions,
10874 prototype the functions generated from them, and define the
10875 old constraint interface (still used by generic code) in terms of
10877 (write_insn_preds_c): If we have new-style constraint definitions,
10878 generate all relevant functions from those definitions.
10879 (main): Handle define_constraint etc.
10880 * genoutput.c (struct constraint_data, indep_constraints)
10881 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10882 (mdep_constraint_len): New data structures and functions, defined
10883 #ifdef USE_MD_CONSTRAINTS.
10884 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10885 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10886 use new logic to validate operand constraints against constraint
10888 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10890 * defaults.h: If none of the old-style constraint macros are
10891 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10892 old-style macros; and poison REG_CLASS_FROM_LETTER,
10893 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10895 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10896 * doc/md.texi: Document new constraint-definition mechanism and the
10897 C interface it provides. Remove references to old mechanism
10898 elsewhere in the document.
10899 (Machine Constraints): Use pathnames relative to gcc directory,
10900 i.e. config/ARCH/FILE. Change i386 section to refer to
10901 config/i386/predicates.md; update that section to match docstrings.
10902 * doc/tm.texi: Move all documentation of the old constraint-
10903 definition macros to their own section, clearly mark as obsolete.
10905 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10906 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10908 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10909 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10910 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10911 constraint strings.
10912 (splits and peepholes): Use satisfies_constraint_*.
10913 * config/i386/i386.c (memory_address_length)
10914 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10916 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10918 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10919 scalar operation to be put back into the loop.
10921 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10924 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10925 (extract_cie_info): Handle S flag in augmentation string.
10926 (execute_cfa_program): If context->signal_frame, execute also
10927 fs->pc == context->ra instructions.
10928 (uw_frame_state_for): If context->signal_frame, don't subtract one
10929 from context->ra to find FDE.
10930 (uw_update_context_1): Set context->signal_frame to
10932 (_Unwind_GetIPInfo): New function.
10933 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10934 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10936 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10937 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10938 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10939 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10940 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10941 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10942 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10943 x86_64_fallback_frame_state): Set fs->signal_frame.
10944 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10945 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10946 (frob_update_context): Likewise. Workaround missing S flag in
10947 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10948 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10949 Remove the psw_addr + 1 hack.
10951 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10953 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10954 with aggregates here.
10955 (find_func_aliases): Remove code for &<aggregate> from here.
10957 2006-02-26 Roger Sayle <roger@eyesopen.com>
10959 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10960 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10961 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10962 as (X & C) ne/eq 0.
10964 2006-02-26 Roger Sayle <roger@eyesopen.com>
10966 PR middle-end/19983
10967 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10969 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10971 * opts.c (decode_options): Do not handle flag_strength_reduce.
10972 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10973 and OPT_fstrength_reduce.
10974 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10975 flag_prefetch_loop_arrays for being nonzero.
10976 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10978 (fprefetch-loop-arrays-rtl): Removed.
10979 (flag_prefetch_loop_arrays): Do not specify the value.
10981 * doc/passes.texi: Update documentation of loop optimizer
10983 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10984 -frerun-loop-opt): Remove.
10986 2006-02-26 Richard Guenther <rguenther@suse.de>
10988 PR tree-optimization/26421
10989 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10990 in function calls that are ADDR_EXPRs as using the whole structure.
10992 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10994 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10995 * tree-pass.h (pass_loop_optimize): Remove.
10996 * passes.c (pass_loop_optimize): Never run it.
10997 * toplev.c (backend_init): Don't call init_loop.
10998 * opts.c (flag_loop_optimize_set): Remove.
10999 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11000 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11001 the old RTL loop optimizer when profiling enabled.
11002 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11003 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11004 pre-headers for the sake of the old RTL loop optimizer.
11005 * Makefile.in: Remove all references to loop.o.
11007 * doc/invoke.texi: Remove all references to -floop-optimize
11008 and -frerun-loop-opt.
11010 2006-02-26 Zack Weinberg <zackw@panix.com>
11012 * doc/md.texi (Machine Constraints): Refer to all files with paths
11013 relative to gcc directory (i.e. config/CPU/file). Add missing
11014 @table @code ... @end table to M32C subsection.
11016 2006-02-26 Roger Sayle <roger@eyesopen.com>
11018 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11020 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11022 2006-02-26 Roger Sayle <roger@eyesopen.com>
11023 James A. Morrison <phython@gcc.gnu.org>
11025 PR middle-end/21137
11026 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11027 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11028 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11029 signedness of the shift operation.
11031 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11033 PR tree-optimization/26359
11034 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11036 2006-02-25 Roger Sayle <roger@eyesopen.com>
11038 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11039 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11040 as X == 0, and some symmetry related transformations.
11041 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11043 2006-02-25 Roger Sayle <roger@eyesopen.com>
11045 PR middle-end/23673
11046 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11047 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11048 symmetry related transformations. Fold (X^C1) == C2 as
11051 2006-02-25 Juergen Weigert <jw@suse.de>
11052 Richard Guenther <rguenther@suse.de>
11054 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11056 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11058 * combine.c (gen_lowpart_or_truncate): Call
11059 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11061 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11063 * doc/invoke.texi: Move -fopenmp description to "Options for
11065 Remove reference to -lgomp.
11067 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11069 * doc/install.texi: Require GNU tar version 1.14.
11071 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11073 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11074 * doc/invoke.texi (C++ Dialect Options): Document
11075 -fno-use-cxa-get-exception-ptr.
11076 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11077 * configure: Regenerate.
11078 * c.opt (fuse-cxa-get-exception-ptr): New.
11079 * c-opts.c (c_common_handle_option): Handle
11080 OPT_fuse_cxa_get_exception_ptr.
11081 * c-common.c (flag_use_cxa_atexit): Update documentation.
11082 (flag_use_cxa_get_exception_ptr): New.
11083 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11084 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11086 (C_COMMON_OVERRIDE_OPTIONS): New.
11088 2006-02-24 Roger Sayle <roger@eyesopen.com>
11090 PR middle-end/24952
11091 * combine.c (try_combine): Explicitly check whether GET_CODE is
11092 a SET or a CLOBBER, instead on checking that it isn't a USE.
11094 2006-02-24 Roger Sayle <roger@eyesopen.com>
11096 * fold-const.c (fold_comparison): New subroutine of fold_binary
11097 containing transformations common to both the equality and
11098 ordering relational operators, factored out of fold_binary.
11099 (fold_binary): Separate out the equality operators (EQ_EXPR
11100 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11101 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11102 transformations common to both.
11103 (fold_div_compare): Fix latent bugs in the previously unreachable
11104 LT_EXPR and GE_EXPR cases.
11106 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11108 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11109 decl libname for clog to __clog on AIX.
11111 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11113 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11116 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11117 output traceback table for thunks. Localise rs6000_stack_info call.
11119 2006-02-23 Roger Sayle <roger@eyesopen.com>
11120 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11122 * gthr-posix.h (__gthrw): Fix typo in comment.
11124 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11126 * doc/cpp.texi (Character sets): Document that we do support
11127 input files to be in any character set.
11129 2006-02-23 Jeff Law <law@redhat.com>
11131 * tree.h (PHI_ARG_NONZERO): Remove.
11132 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11133 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11134 node to the new node.
11136 PR tree-optimization/26425
11137 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11138 min/max, then assume its varying.
11140 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11142 PR rtl-optimization/26316
11143 * rtlanal.c (enum may_trap_p_flags): New.
11144 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11145 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11146 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11147 (may_trap_after_code_motion_p): New function.
11148 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11149 (find_invariant_insn): Use may_trap_after_code_motion_p.
11150 * rtl.h (may_trap_after_code_motion_p): Declare.
11152 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11154 * emit-rtl.c (immed_double_const): Cleanup.
11156 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11158 Fix PR tree-optimization/26376
11159 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11162 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11164 PR middle-end/26412
11165 * gimplify.c (omp_add_variable): Guard variable size decl test with
11166 DECL_SIZE (decl) check.
11168 2006-02-23 Richard Guenther <rguenther@suse.de>
11170 PR middle-end/26439
11171 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11172 like aggregate types.
11174 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11176 * configure.ac: Add --with{,out}-long-double-128 configure option.
11177 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11178 * configure: Rebuilt.
11179 * config.in: Rebuilt.
11180 * doc/install.texi (Options specification): Document
11181 --with-long-double-128.
11183 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11184 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11185 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11186 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11188 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11190 * config/s390/s390.c (override_options): Handle
11191 TARGET_DEFAULT_LONG_DOUBLE_128.
11193 * config/alpha/alpha.c (override_options): Handle
11194 TARGET_DEFAULT_LONG_DOUBLE_128.
11196 * config/sparc/sparc.c (sparc_override_options): Handle
11197 TARGET_DEFAULT_LONG_DOUBLE_128.
11199 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11201 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11202 (real-install-headers-tar, real-install-headers-cpio)
11203 (real-install-headers-cp): New targets.
11205 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11207 * tree.h (variable_section): Delete.
11208 * varasm.c (variable_section): Delete.
11210 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11212 * install.texi: Add notes on install.texi2html.
11213 (Building in parallel): Do not use footnotes.
11215 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11218 * doc/install.texi (Configuration): Document --disable-libgomp.
11220 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11222 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11224 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11226 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11227 (vec_extractv2df_0_sse): New.
11229 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11231 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11232 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11233 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11234 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11235 to the result of the expression.
11236 (def_cfa_1): Adjust.
11237 (frame_pointer_cfa_offset): Rename to...
11238 (frame_pointer_fb_offset): ... this. Adjust all uses.
11239 (convert_cfa_to_loc_list): Rename to...
11240 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11241 Pass it on to build_cfa_loc.
11242 (compute_frame_pointer_to_cfa_displacement): Rename to...
11243 (compute_frame_pointer_to_fb_displacement): ... this. New
11244 offset parameter. Use it in computation.
11245 (gen_subprogram_die): Compute cfa_fb_offset with the new
11246 macro, and use it to compute the fb loc list and the
11249 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11251 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11252 replaced with register_operand.
11253 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11254 non-DREG is expensive.
11255 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11256 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11259 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11261 * doc/install.texi2html: Use set -e.
11263 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11265 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11266 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11267 * doc/invoke.texi (-fshared-data): Delete.
11268 * common.opt (fshared-data): Delete.
11269 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11270 (assemble_static_space): Remove #if 0 code.
11271 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11272 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11273 * config/cris/cris.h: Remove FIXME.
11275 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11277 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11280 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11282 PR middle-end/26379
11283 * combine.c (simplify_shift_const_1): Disable nested shifts
11284 optimization for vector shifts.
11286 2006-02-20 Roger Sayle <roger@eyesopen.com>
11288 PR tree-optimization/26361
11289 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11290 of unsigned integer types.
11292 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11294 * tree-chrec.c (eq_evolutions_p): New.
11295 * tree-chrec.h (eq_evolutions_p): Declared.
11296 * tree-data-ref.c: Fix formatting.
11297 (datadep_stats, dependence_stats): New.
11299 (print_direction_vector): New.
11300 (dump_data_dependence_relation): Use print_direction_vector.
11301 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11302 (compute_subscript_distance): Static.
11303 (initialize_data_dependence_relation): Static. Get the number
11304 of loops surrounding the references from the callers, and initialize
11305 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11306 base_object_differ_p analyzers.
11307 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11308 compute_overlap_steps_for_affine_1_2,
11309 analyze_subscript_affine_affine): Count the classified dependences.
11310 Print a message when a test failed.
11311 (can_use_analyze_subscript_affine_affine): New.
11312 (analyze_siv_subscript): Compute the data dependences on symbolic
11313 scevs that verify can_use_analyze_subscript_affine_affine.
11314 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11315 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11316 Handle symbolic scevs.
11317 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11319 (subscript_dependence_tester): Moved...
11320 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11321 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11322 DDR_SIZE_VECT instead of getting it in parameter.
11323 (subscript_dependence_tester): ... here. Take as a parameter
11324 loop_nest_depth. Call build_classic_dist_vector and
11325 build_classic_dir_vector.
11326 (compute_affine_dependence): Update subscript_dependence_tester
11327 parameters. Update datadep_stats counters. Call
11328 compute_subscript_distance.
11329 (compute_self_dependence): Save the dist and dir vectors. Call
11330 compute_subscript_distance.
11331 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11332 (compute_all_dependences): Reorder parameters as they were before
11333 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11334 compute_subscript_distance. Update the use of
11335 compute_affine_dependence and initialize_data_dependence_relation.
11336 (find_data_references_in_loop): Handle COMPONENT_REF.
11337 (compute_data_dependences_for_loop): Initialize dependence_stats.
11338 Don't call build_classic_dist_vector and build_classic_dir_vector.
11339 Update the parameters of initialize_data_dependence_relation and
11340 compute_all_dependences. Print the statistics from datadep_stats.
11341 (analyze_all_data_dependences): Static. Not used until the pass for
11342 checking the data dependences is contributed.
11343 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11344 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11345 (initialize_data_dependence_relation, compute_affine_dependence,
11346 analyze_all_data_dependences, compute_subscript_distance): Removed.
11347 (print_direction_vector): New.
11348 * lambda.h (gcd): ... here.
11349 (lambda_vector_gcd): Moved here from gcd_vector.
11350 * lambda-code.c (gcd, gcd_vector): Removed.
11351 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11352 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11354 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11356 * ipa-type-escape.c: Tidy some comments and white space.
11357 * tree-ssa-operands.c: Likewise.
11359 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11362 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11363 (dump_decl_name): Do not walk the decl tree chains.
11364 * tree-pass.h (TDF_CHAIN): Remove.
11366 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11368 * Makefile.in (C): Remove
11370 (.PHONY): Remove C and PROTO
11372 2006-02-20 Roger Sayle <roger@eyesopen.com>
11374 PR middle-end/26236
11375 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11376 deprecated CHAR_TYPE tree code.
11378 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11380 * configure.ac (target_list): Add install-info, dvi, html.
11381 * configure: Regenerate.
11383 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11384 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11385 treelang/Make-lang.in: Do not use double-colon rules.
11387 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11389 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11390 (TMT_USED_ALONE): New macro.
11391 * tree-pass.h (PROP_tmt_usage): New property.
11392 (TODO_update_tmt_usage): New todo.
11393 * tree-ssa-alias.c (updating_used_alone): New variable.
11394 (recalculate_used_alone): New function.
11395 (compute_may_aliases): Set updating_used_alone, call
11396 recalculate_used_alone.
11397 * tree-sra.c (pass_sra): Note that this pass destroys
11398 PROP_tmt_usage, and add TODO_update_tmt_usage.
11399 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11400 * tree-flow.h (updating_used_alone): Prototype.
11401 (recalculate_used_alone): Ditto.
11402 * passes.c (execute_todo): Add code to set updating_used_alone,
11403 and call recalculate.
11404 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11405 for clobber if used alone, and add assert to verify used_alone
11408 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11410 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11411 for non tls symbols added.
11412 (legitimize_address): Do nothing for PLUS expressions if one of the
11413 addends is a tls symbol reference.
11415 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11419 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11421 * Makefile.in (BOOTSTRAPPING): New.
11422 (quickstrap): New definition if BOOTSTRAPPING=yes.
11424 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11425 * configure.ac: Substitute all_selected_languages with the languages
11426 that were configured. For all the other variables except
11427 lang_specs_files, include all the languages in the tree.
11428 * configure: Regenerate.
11430 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11431 if there is one. Run the commands to run fixincludes in the same
11434 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11435 * doc/install.texi: Document exact conventions for searching target tools.
11436 Document --with-build-time-tools. Document toplevel bootstrap. Document
11437 something more about building an Ada cross-compiler. Don't list GNU Make
11438 requirements which affect all platforms.
11440 2006-02-19 Roger Sayle <roger@eyesopen.com>
11442 PR middle-end/19543
11443 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11444 only equivalent if the have both the same mode and precision.
11446 2006-02-20 Ben Elliston <bje@au.ibm.com>
11448 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11450 2006-02-19 Roger Sayle <roger@eyesopen.com>
11451 Steven Bosscher <stevenb.gcc@gmail.com>
11453 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11454 constant pool references to identify stack mode constants.
11455 * rtlanal.c (constant_pool_constant_p): New predicate to check
11456 whether operand is a floating point constant in the pool.
11457 * rtl.h (constant_pool_constant_p): Prototype here.
11458 * loop.c (scan_loop): Avoid hoisting constants from the constant
11459 pool on STACK_REGS targets.
11460 (load_mems): Likewise.
11461 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11462 loads into x87 registers expensive in terms of register pressure.
11464 2006-02-19 Roger Sayle <roger@eyesopen.com>
11466 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11467 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11469 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11471 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11472 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11474 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11476 * doc/invoke.texi: Document -fipa-pta.
11477 * common.opt: Add ipa-pta option.
11478 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11479 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11480 (do_ds_constraint): Ditto.
11481 (get_constraint_for): Only add to referenced_vars if
11482 referenced_vars exists.
11483 (insert_into_field_list): Rewrite to do this unsorted.
11484 (insert_into_field_list_sorted): Rename old insert_into_field_list
11486 (create_function_info_for): Use insert_into_field_list_sorted.
11487 (create_variable_info_for): Rewrite so it uses unsorted version,
11488 since the field list is sorted.
11489 (intra_create_variable_infos): Only add to referenced_vars if
11490 referenced_vars exists.
11491 (ipa_pta_execute): Init heapvars, and delete when done.
11492 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11494 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11496 * doc/install.texi: Add missing `@samp'.
11498 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11500 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11503 2006-02-18 Mark Wielaard <mark@klomp.org>
11505 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11506 who added new 4.1 features, bug fixes and integration support.
11508 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11511 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11512 MEM for ABI_V4 pic.
11514 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11516 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11517 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11518 (copy_insn_1): Likewise. Don't copy each field individually.
11520 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11522 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11523 * rtl.c (rtx_size): Rename variable to...
11524 (rtx_code_size): ...this.
11525 (rtx_size): New function.
11526 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11527 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11529 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11530 * rtl.h (rtx_code_size): New variable.
11531 (rtx_size): Change from a variable to a function.
11532 (RTX_SIZE): Rename to...
11533 (RTX_CODE_SIZE): ...this.
11536 PR tree-optimization/17106
11537 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11538 (Anchored Addresses): New section.
11539 * doc/invoke.texi (-fsection-anchors): Document.
11540 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11541 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11542 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11543 * hooks.c (hook_bool_mode_rtx_false): New function.
11544 * hooks.h (hook_bool_mode_rtx_false): Declare.
11545 * gengtype.c (create_optional_field): New function.
11546 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11547 SYMBOL_REF_IN_BLOCK_P is true.
11548 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11549 (min_anchor_offset, max_anchor_offset): Likewise.
11550 (use_anchors_for_symbol_p): New hook.
11551 * toplev.c (compile_file): Call output_object_blocks.
11552 (target_supports_section_anchors_p): New function.
11553 (process_options): Check that -fsection-anchors is only used on
11554 targets that support it and when -funit-at-a-time is in effect.
11555 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11556 if the decl doesn't have one.
11557 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11558 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11559 of force_const_mem through use_anchored_address.
11560 (expand_expr_constant): New function.
11561 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11562 calling expand_expr for INDIRECT_REF.
11563 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11564 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11565 * expr.h (use_anchored_address): Declare.
11566 * loop-unroll.c: Don't declare rtx vectors here.
11567 * explow.c: Include output.h.
11568 (validize_mem): Call use_anchored_address.
11569 (use_anchored_address): New function.
11570 * common.opt (-fsection-anchors): New switch.
11571 * varasm.c (object_block_htab, anchor_labelno): New variables.
11572 (hash_section, object_block_entry_eq, object_block_entry_hash)
11573 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11574 (use_blocks_for_decl_p, change_symbol_section): New functions.
11575 (get_variable_section): New function, split out from assemble_variable.
11576 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11577 use_blocks_for_decl_p say so. Use change_symbol_section if the
11578 symbol has already been created.
11579 (assemble_variable_contents): New function, split out from...
11580 (assemble_variable): ...here. Don't output any code for
11581 block symbols; just pass them to place_block_symbol.
11582 Use get_variable_section and assemble_variable_contents.
11583 (get_constant_alignment, get_constant_section, get_constant_size): New
11584 functions, split from output_constant_def_contents.
11585 (build_constant_desc): Create a block symbol if use_object_blocks_p
11586 says so. Or into SYMBOL_REF_FLAGS.
11587 (assemble_constant_contents): New function, split from...
11588 (output_constant_def_contents): ...here. Don't output any code
11589 for block symbols; just pass them to place_section_symbol.
11590 Use get_constant_section and get_constant_alignment.
11591 (force_const_mem): Create a block symbol if use_object_blocks_p and
11592 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11593 (output_constant_pool_1): Add an explicit alignment argument.
11594 Don't switch sections here.
11595 (output_constant_pool): Adjust call to output_constant_pool_1.
11596 Switch sections here instead. Don't output anything for block symbols;
11597 just pass them to place_block_symbol.
11598 (init_varasm_once): Initialize object_block_htab.
11599 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11600 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11601 (place_block_symbol, get_section_anchor, output_object_block)
11602 (output_object_block_htab, output_object_blocks): New functions.
11603 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11604 (TARGET_ASM_OUT): Include it.
11605 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11606 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11607 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11608 (TARGET_INITIALIZER): Include them.
11609 * rtl.c (rtl_check_failed_block_symbol): New function.
11610 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11611 (block_symbol, object_block): New structures.
11612 (rtx_def): Add a block_symbol field to the union.
11613 (BLOCK_SYMBOL_CHECK): New macro.
11614 (rtl_check_failed_block_symbol): Declare.
11615 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11616 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11617 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11618 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11619 * output.h (output_section_symbols): Declare.
11620 (object_block): Name structure.
11621 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11622 (default_use_anchors_for_symbol_p): Declare.
11623 * Makefile.in (RTL_BASE_H): Add vec.h.
11624 (explow.o): Depend on output.h.
11625 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11626 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11627 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11628 (rs6000_use_blocks_for_constant_p): New function.
11630 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11632 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11634 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11637 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11640 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11642 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11646 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11648 PR middle-end/26334
11649 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11650 instead of DECL_REGISTER.
11652 2006-02-18 Olivier Hainque <hainque@adacore.com>
11655 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11657 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11660 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11661 * opth-gen.awk: Handle Var and InverseMask together.
11662 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11663 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11664 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11665 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11667 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11668 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11669 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11670 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11671 LINUX_DYNAMIC_LINKER): Define.
11672 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11673 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11675 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11676 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11677 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11678 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11679 (TARGET_C99_FUNCTIONS): Don't define.
11680 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11681 GLIBC_DYNAMIC_LINKER.
11682 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11683 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11684 GLIBC_DYNAMIC_LINKER64): Define.
11685 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11686 LINUX_DYNAMIC_LINKER64.
11687 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11688 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11689 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11691 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11692 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11693 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11694 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11695 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11696 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11697 and LINUX_DYNAMIC_LINKER32.
11698 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11699 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11700 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11701 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11702 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11704 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11705 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11706 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11707 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11708 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11709 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11710 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11711 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11712 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11713 LINUX_DYNAMIC_LINKER): Define.
11714 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11715 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11716 GLIBC_DYNAMIC_LINKER64): Define.
11717 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11718 LINUX_DYNAMIC_LINKER64.
11719 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11720 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11721 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11722 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11723 LINUX_DYNAMIC_LINKER): Define.
11724 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11725 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11726 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11727 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11728 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11729 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11730 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11731 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11732 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11733 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11734 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11735 * doc/invoke.texi (-muclibc): Remove caveat about supported
11738 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11740 * doc/cpp.texi (__TIMESTAMP__): Document.
11742 2006-02-17 Roger Sayle <roger@eyesopen.com>
11744 PR middle-end/25600
11745 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11746 C is one less than the width of X (and related transformations).
11747 * simplify-rtx.c (simplify_unary_operation_1): Transform
11748 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11749 depending on STORE_FLAG_VALUE, were C is one less then the
11752 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11754 Fix PR tree-optimization/26341
11755 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11756 about NAME_MEMORY_TAG's.
11758 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11761 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11762 with hardware float support, and software float support. Add fcpy
11763 alternative to hardware patterns. Add alternatives to copy between
11764 general and floating-point registers to the 32-bit pattern.
11765 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11766 secondary reload to load a QI or HI mode constant into a floating
11768 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11769 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11771 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11774 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11776 (load_macho_picbase_di): Likewise.
11778 2006-02-16 Jeff Law <law@redhat.com>
11780 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11781 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11782 (ssa_name_nonzero_p): Likewise.
11783 (get_value_range): Return NULL if VRP is not running.
11784 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11785 VRP routines do not discover a range.
11786 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11787 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11788 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11789 (tree_expr_nonnegative_p): Similarly.
11790 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11791 (restore_nonzero_vars_to_original_value): Remove.
11792 (unsafe_associative_fp_binop): Remove.
11793 (tree_ssa_dominator_optimize): Remove initialization and
11794 finalization of nonzero_vars and nonzero_vars_stack.
11795 (dom_opt_initialize_block): No longer push marker on
11796 nonzero_vars_stack.
11797 (dom_opt_finalize_block): No longer call
11798 restore_nonzero_vars_to_original_value.
11799 (record_equivalences_from_phis): No longer look for
11800 nonzero PHI arguments.
11801 (cprop_into_successor_phis): No longer propagate nonzero
11802 property into PHI arguments. Lose unused argument. Caller
11804 (record_equivalences_from_stmt): No longer record nonzero
11805 values for SSA_NAMEs.
11806 (lookup_avail_expr): No longer use nonzero_vars.
11808 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11809 for sizetype when sizetype is unsigned.
11811 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11813 PR rtl-optimization/25603
11814 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11815 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11816 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11817 with new meaning of SETS.
11819 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11824 * config/linux.opt: New file.
11825 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11826 LINUX_DYNAMIC_LINKER): Define.
11827 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11828 * config.gcc (*-*-linux*): Define extra_options.
11829 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11830 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11831 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11832 GLIBC_DYNAMIC_LINKER.
11833 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11834 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11835 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11837 * doc/invoke.texi (GNU/Linux Options): New section.
11839 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11841 * config/sparc/sparc.md (setjmp): Rewrite.
11842 (setjmp_32): Delete.
11843 (setjmp_64): Likewise.
11845 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11847 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11850 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11852 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11855 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11857 PR rtl-optimization/26296
11858 * Makefile.in (loop-invariant.c): Add except.h dependency.
11859 * loop-invariant.c: Include except.h.
11860 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11862 2005-02-16 Paul Brook <paul@codesourcery.com>
11864 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11867 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11869 PR rtl-optimization/25636
11870 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11871 when deciding whether an insn is an initializing insn.
11873 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11875 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11876 (tree_code_size): Ditto.
11877 * tree.h (struct tree_memory_tag): Remove parent_var.
11878 (struct tree_struct_field_tag): New.
11881 (union tree_node): Add sft member.
11882 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11884 (create_sft): Add size and offset argument, set SFT_OFFSET and
11886 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11887 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11888 * tree-flow-inline.h (get_subvar_at): Update for
11889 SFT_OFFSET/SFT_SIZE.
11890 (var_can_have_subvars): Ditto.
11891 (overlap_subvar): Ditto.
11892 * print-tree.c (print_node): Print out interesting things for
11894 * tree-flow.h (struct subvar): Remove offset and size members.
11895 * tree-ssa-operands.c (get_expr_operands): Update for
11896 get_indirect_ref_operands changes.
11897 (get_indirect_ref_operands): Call add_virtual_operand instead of
11898 add_stmt_operand. Only recurse on base var if requested.
11899 (access_can_touch_variable): New function.
11900 (add_stmt_operand): Split virtual operand handling into ...
11901 (add_virtual_operand): Here. Add offset, size, and for_clobber
11902 arguments. Prune alias sets.
11903 (add_call_clobber_ops): Call add_virtual_operand.
11905 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11907 PR middle-end/26300
11908 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11910 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11911 than TREE_CODE as index into omp_clause_num_ops array.
11913 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11915 PR rtl-optimization/26184
11916 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11918 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11919 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11920 must_precede, must_follow and tobe_scheduled.
11923 * opts.c (common_handle_option): Free new_option pointer.
11924 * df-core.c (df_analyze): Free postorder pointer.
11926 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11928 * Makefile.in: Fix the examples about the use of stamps
11930 2006-02-15 Michael Matz <matz@suse.de>
11932 PR middle-end/22275
11934 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11935 influenced by maximum_field_alignment or DECL_PACKED.
11936 (update_alignment_for_field): Ditto.
11937 (place_field): Ditto.
11938 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11941 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11943 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11944 (debug_flow_info): Pass it.
11945 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11946 * bb-reorder.c (reorder_basic_blocks): Likewise.
11947 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11948 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11949 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11950 * gcse.c (gcse_main, bypass_jumps): Likewise.
11951 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11952 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11953 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11954 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11955 * rtl.h (dump_flow_info): Adjust prototype.
11956 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11957 * var-tracking.c (variable_tracking_main): Likewise.
11958 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11959 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11962 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11964 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11967 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11969 PR tree-optimization/26209
11970 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11971 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11973 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11975 2006-02-14 Roger Sayle <roger@eyesopen.com>
11977 PR middle-end/23670
11978 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11979 (X,Y) and the corresponding symmetry related transformations.
11980 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11981 (X,Y) and its symmetry related transformations.
11983 2006-02-14 Roger Sayle <roger@eyesopen.com>
11985 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11988 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11990 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11992 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11995 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11996 support COMDAT group.
11997 * configure: Regenerate.
11999 2006-02-14 Roger Sayle <roger@eyesopen.com>
12001 PR middle-end/26279
12002 PR middle-end/26280
12003 PR middle-end/26283
12004 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12006 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12008 Fix PR tree-optimization/26260
12010 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12012 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12013 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12014 * tree-ssa-structalias.c (create_variable_info_for): Use
12015 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12017 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12019 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12021 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12022 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12023 of the ending condition.
12024 * tree-ssa-loop-manip.c: Include params.h.
12025 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12026 tree_unroll_loop): New functions.
12027 * tree-pass.h (pass_loop_prefetch): Declare.
12028 * loop.c (rest_of_handle_loop_optimize): Test for
12029 -fprefetch-loop-arrays-rtl.
12030 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12031 * timevar.def (TV_TREE_PREFETCH): New timevar.
12032 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12033 pass_loop_prefetch): New.
12034 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12035 (cleanup_tree_cfg_loop): Call scev_reset.
12036 * common.opt (fprefetch-loop-arrays-rtl): Add.
12037 * tree-ssa-loop-prefetch.c: New file.
12038 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12039 (new_temp_expr_table): Initialize expr_vars.
12040 (free_temp_expr_table): Cleanup expr_vars.
12041 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12042 expressions from being merged into one.
12043 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12044 (struct tree_niter_desc): Add control, bound and cmp fields.
12045 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12047 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12048 (tree-cfgcleanup.o): Add SCEV_H dependency.
12049 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12050 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12052 2006-02-14 Richard Guenther <rguenther@suse.de>
12054 PR tree-optimization/26258
12055 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12056 in PHI argument processing.
12058 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12060 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12061 new expression in the requested machine mode.
12063 2006-02-13 Roger Sayle <roger@eyesopen.com>
12065 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12066 directly, instead let do_compare_rtx_and_jump handle this for us.
12067 * expr.c (expand_expr_real_1): Likewise.
12068 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12069 before do_jump_by_parts_greater.
12070 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12071 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12073 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12075 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12077 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12079 PR rtl-optimization/26235
12080 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12081 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12084 2006-02-13 Jeff Law <law@redhat.com>
12086 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12089 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12091 PR middle-end/26092
12092 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12093 twice if decl is a builtin. When trying again, call get_callee_fndecl
12094 first to verify it is still a builtin.
12096 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12098 * dwarf2out.c (base_type_die): Don't add AT_name here.
12099 (subrange_type_die): Don't add AT_name here.
12100 (modified_type_die): Rearrange code flow. Do add AT_name here.
12102 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12104 PR rtl-optimization/26247
12105 PR rtl-optimization/26248
12106 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12108 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12110 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12111 * config/fixtfdi.c: Likewise.
12112 * config/fixunstfdi.c: Likewise.
12113 * config/floatditf.c: Likewise.
12115 2006-02-13 Roger Sayle <roger@eyesopen.com>
12117 PR middle-end/24427
12118 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12119 into (X,C2) if C1 is a subset of the bits of C2. Transform
12120 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12122 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12124 2006-02-13 Josh Conner <jconner@apple.com>
12127 * varasm.c (function_section): Check for section name before
12128 calling select_section on targets that define
12129 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12130 unlikely_text_section instead of hot_function_section if
12131 first_function_block_is_cold.
12133 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12135 PR middle-end/25335
12136 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12138 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12140 PR rtl-optimization/26222
12141 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12142 after tree->rtl expansion.
12143 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12144 before passing it to emit_move_insn.
12146 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12148 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12150 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12151 Clarify documentation.
12152 * c-common.h (warn_write_strings): Remove.
12153 * c-common.c (warn_write_strings): Likewise.
12154 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12157 2006-02-12 Roger Sayle <roger@eyesopen.com>
12159 PR middle-end/25724
12160 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12161 (do_jump_parts_zero_rtx): New function renamed from
12162 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12163 (do_jump_parts_equality_rtx): New function split out from
12164 do_jump_parts_equality. Old implementation renamed as above.
12165 Call do_jump_parts_zero_rtx if either operand is zero.
12166 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12167 do all of the heavy lifting.
12168 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12169 calling either do_jump_by_parts_greater_rtx or
12170 do_jump_by_parts_equality_rtx.
12171 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12172 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12173 moved to do_compare_rtx_and_jump, call it directly.
12174 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12175 mode argument. Call do_compare_rtx_and_jump.
12176 (emit_case_nodes): Update calls to do_jump_if_equal.
12178 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12180 PR rtl-optimization/26225
12181 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12183 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12185 PR rtl-optimization/26232
12186 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12188 2006-02-11 Jason Merrill <jason@redhat.com>
12191 * tree-inline.c (declare_return_variable): Just don't use the
12192 modify target if it's a gimple complex reg and the return slot
12195 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12197 * doc/contrib.texi: Update my entry.
12199 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12201 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12203 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12205 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12208 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12210 * doc/invoke.texi (-floop-optimize2): Removed.
12211 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12212 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12213 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12214 * common.opt (floop-optimize2): Removed.
12215 (fmove-loop-invariants): Enabled by default.
12217 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12219 * tree-if-conv.c (combine_blocks): Free the result of
12220 get_loop_exit_edges.
12222 2006-02-10 Jeff Law <law@redhat.com>
12224 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12226 PR tree-optimization/26213
12227 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12228 loop trying to follow SSA_NAME_VALUE chains.
12230 2006-02-10 Richard Guenther <rguenther@suse.de>
12232 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12233 deal with structures that end in implicitly variable sized arrays.
12235 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12237 PR rtl-optimization/24762
12238 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12241 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12243 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12244 (struct ivopts_data): Add regs_used field.
12245 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12246 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12247 instead of loop_data->regs_used;
12248 (free_loop_data): Do not free aux fields for loops.
12249 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12250 and tree_ssa_iv_optimize_finalize.
12252 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12254 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12256 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12259 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12260 computing the effective result type.
12262 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12264 PR inline-asm/16194
12265 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12266 (tree_overlaps_hard_reg_set): Declare.
12267 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12268 type and signature to match function type expected by walk_tree.
12269 (tree_overlaps_hard_reg_set): New function.
12270 (decl_conflicts_with_clobbers_p): Rename to:
12271 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12272 Use tree_overlaps_hard_reg_set. Changed caller.
12273 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12274 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12275 * cris.c (cris_md_asm_clobbers): Likewise.
12277 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12279 * reload1.c (emit_input_reload_insns): Delete code that tries to
12280 inherit using find_equiv_reg.
12282 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12284 * c-common.h (flag_const_strings): Don't declare.
12285 * c-common.c (flag_const_strings): Remove.
12286 * c.opt (fconst_strings): Remove.
12287 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12288 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12289 (c_common_init_options): Don't set flag_const_strings.
12290 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12292 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12294 * arm.md (tlobits_cbranch): New pattern.
12295 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12296 testing a single bit.
12298 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12301 * tree-ssa-pre.c (create_component_ref_by_pieces):
12302 Handle RETURN_DECL like VAR_DECL.
12304 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12306 PR middle-end/26134
12307 * fold-const.c (fold_indirect_ref_1): Fold
12308 "*(foo *)&complexfoo" to "__real__ complexfoo"
12309 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12311 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12313 * tree-flow-inline.h (var_can_have_subvars):
12314 Volatile variables should not have subvariables.
12316 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12319 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12320 multiplying unsigned values.
12323 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12325 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12327 2006-02-08 Jason Merrill <jason@redhat.com>
12330 * tree.def: Elaborate on difference from MODIFY_EXPR.
12331 * doc/c-tree.texi (INIT_EXPR): Likewise.
12332 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12333 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12334 (gimplify_target_expr): Likewise.
12335 (gimplify_cond_expr): Remove target handling.
12336 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12337 (gimplify_expr): Clobber it here.
12338 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12339 Do return slot optimization if we have an INIT_EXPR.
12342 * tree-inline.c (declare_return_variable): Also clear
12343 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12346 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12348 PR middle-end/22439
12349 * gimplify.c (gimplify_one_sizepos): Fix typo.
12351 2006-02-08 Jeff Law <law@redhat.com>
12353 PR tree-optimization/21417
12354 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12355 across a backedge if the control statement at the end of the
12356 block is data dependent on other statements in the same block.
12357 (record_temporary_equivalences_from_stmts): Remove over-conservative
12358 test for threading across backedges.
12360 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12361 control statement, handle all three special cases in the same
12362 manner as they all have the same desired solution. No longer
12363 special case edge flag updating when the post dominator is
12366 2006-02-08 Roger Sayle <roger@eyesopen.com>
12368 * tree.def (CHAR_TYPE): Remove.
12369 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12370 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12371 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12372 (gen_string_type_die): Delete unreachable function.
12374 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12375 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12376 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12377 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12378 * builtins.c (type_to_class): Likewise.
12379 * fold-const.c (fold_convert, build_range_check,
12380 merge_ranges): Likewise.
12381 * expr.c (count_type_elements): Likewise.
12382 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12383 * stor-layout.c (layout_type): Likewise.
12384 * ipa-type-escape.c (type_to_consider): Likewise.
12385 * gimplify.c (omp_firstprivatize_type_sizes,
12386 gimplify_type_sizes): Likewise.
12387 * explow.c (promote_mode): Likewise.
12388 * tree-sra.c (is_sra_scalar_type): Likewise.
12389 * varasm.c (output_constant): Likewise.
12390 * tree-inline.c (remap_type_1): Likewise.
12391 * convert.c (convert_to_pointer, convert_to_real,
12392 convert_to_integer, convert_to_complex): Likewise.
12394 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12396 * df-scan.c (df_def_record_1): A set destination may
12397 be a parallel regardless of mode.
12399 2006-02-08 Roger Sayle <roger@eyesopen.com>
12402 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12403 * config/mips/_tilib.c: Remove.
12404 * config/fixtfdi.c: New libgcc source file.
12405 * config/fixunstfdi.c: New source file.
12406 * config/floatditf.c: New source file.
12407 * config/floatunditf.c: New souce file.
12408 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12409 files above instead of config/mips/_tilib.c.
12410 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12412 2006-02-08 Jeff Law <law@redhat.com>
12414 PR tree-optimization/26169
12415 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12418 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12420 * df.h (DF_REG_SIZE): Return the length of the initialized
12423 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12425 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12426 __muldf3): Return a correctly signed zero.
12428 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12430 * passes.c (register_one_dump_file): Accept the current properties
12431 instead of pass number. Adjust call to dump_register. Remove
12433 (register_dump_files): Now a wrapper around...
12434 (register_dump_files_1): ... this one. Do not modify the pass
12436 (next_pass_1): Cosmetic fix.
12437 (execute_todo): Keep second parameter only. Use curr_properties
12438 instead of fetching it from the pass structure. Check and set
12440 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12441 instead of fetching it from the pass structure. Fix calls to
12442 execute_todo. Update curr_properties and initialize .vcg RTL dump
12443 after running the pass. Reset last_verified.
12444 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12446 (FIRST_AUTO_NUMBERED_DUMP): New.
12447 (dump_register): Remove "num" parameter, assign it within the
12449 (get_dump_file_name): Modify template for dumps.
12450 * tree-dump.h (dump_register): Adjust prototype.
12451 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12452 (PROP_trees): Add PROP_gimple_lomp.
12453 (TODO_set_props): New.
12454 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12455 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12456 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12458 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12460 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12461 (sparc64-*-linux*): Likewise.
12462 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12463 * config/sparc/t-linux: New file.
12464 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12465 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12466 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12467 -m32 -mlong-double-128.
12469 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12470 * config/alpha/t-linux: New file.
12471 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12473 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12474 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12475 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12476 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12477 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12478 (CPP_ARCH32_SPEC): Remove.
12480 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12482 PR tree-optimization/26145
12483 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12486 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12489 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12490 >= 240000 when generating code for SOM runtime.
12491 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12492 to $$dyncall when generating code for SOM runtime..
12494 2006-02-07 Dirk Mueller <dmueller@suse.com>
12497 * doc/invoke.texi (-Wsequence-point): Update documentation
12498 that -Wsequence-point is implemented for C++ as well.
12500 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12502 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12503 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12504 (LIB_SPEC): Likewise.
12505 * doc/invoke.texi (SPARC options): Document -pthread.
12507 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12509 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12512 2006-02-07 Roger Sayle <roger@eyesopen.com>
12514 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12515 Correct comment describing BOOLEAN_TYPE.
12517 2006-02-07 Dirk Mueller <dmueller@suse.com>
12519 * c.opt: C++ frontend supports -Wdiv-by-zero.
12520 * c-opts.c (c_common_handle_option): Remove dead case.
12522 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12524 * configure.ac (TLS assembler check): Do not enable TLS by
12525 default on SPARC/Solaris before version 10.
12526 * configure: Regenerate.
12528 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12530 * doc/invoke.texi (xl-compat): Document conversion and support
12533 2006-02-07 Jeff Law <law@redhat.com>
12535 * tree-vrp.c (find_conditional_asserts): Update comments.
12536 (simplify_stmt_for_jump_threading): New.
12537 (identify_jump_threads, finalize_jump_threads): New.
12538 (vrp_finalize): Call identify_jump_threads.
12539 (execute_vrp): Call finalize_jump_threads.
12540 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12541 (vrp_element, vrp_data, vrp_element_p): Remove.
12542 (vrp_hash_elt, vrp_variables_stack): Remove.
12543 (vrp_hash, vrp_eq, record_range): Remove.
12544 (simplify_cond_and_lookup_avail_expr): Remove.
12545 (extract_range_from_cond): Remove.
12546 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12547 (simplify_stmt_for_jump_threading): New.
12548 (dom_thread_across_edge): New wrapper.
12549 (tree_ssa_dominator_optimize): No longer initialize or
12550 finalize any of the VRP datastructures. Remove iteration
12551 step and simplify as a result of removal of iteration step.
12552 (pass_dominator): Perform a cfg cleanup after DOM.
12553 (dom_opt_finalize_block): Use the new common routines
12554 for threading jumps. Simplify stack management slightly.
12555 No longer need to unwind VRP state.
12556 (record_equivalences_from_incoming_edge): No longer record
12558 (eliminate_redundant_computations): No longer call
12559 simplify_cond_and_lookup_avail_expr.
12560 * tree-flow.h (potentially_threadable_block): Prototype.
12561 (thread_across_edge): Likewise.
12562 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12563 (tree-ssa-threadedge.o): Add dependencies.
12564 * tree-ssa-threadedge.c: New file.
12565 * passes.c (init_optimization_passes): Merge PHIs before
12566 calling VRP. Run VRP again late in the SSA optimization pipeline.
12568 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12570 * df-core.c (df_set_blocks): Do not dereference function pointers.
12571 (df_finish1): Likewise.
12572 (df_hybrid_search_forward): Likewise.
12573 (df_hybrid_search_backward): Likewise.
12574 (df_iterative_dataflow): Likewise.
12575 (df_analyze_problem): Likewise.
12576 (df_compact_blocks): Likewise.
12577 (df_dump): Likewise.
12578 * df-scan.c (df_rescan_blocks): Likewise.
12579 (df_record_entry_block_defs): Likewise.
12581 * genconditions.c (write_conditions): Guard the definition of
12582 'insn_conditions' with the check on GCC version.
12583 (write_writer): Guard the traversal 'insn_conditions' with
12584 the check on GCC version.
12586 2006-02-07 Richard Guenther <rguenther@suse.de>
12590 2006-01-30 Richard Guenther <rguenther@suse.de>
12592 * gimplify.c (gimplify_target_expr): Handle easy cases
12593 without creating a temporary.
12595 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12597 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12598 use of float in probability computations. Use edge probabilities
12599 in place of statically computed probabilities.
12600 (min_spec_prob): New static variable.
12601 (schedule_insns): Initialize it.
12602 (GET_SRC_PROB): Removed.
12603 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12605 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12608 * config/ia64/unwind-ia64.c: Revert last change.
12609 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12610 (INCOMING_FRAME_SP_OFFSET): Define.
12612 2006-02-06 Roger Sayle <roger@eyesopen.com>
12614 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12616 2006-02-07 Ben Elliston <bje@au.ibm.com>
12618 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12619 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12620 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12621 (ix86_return_in_memory): Handle TDmode.
12622 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12623 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12625 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12627 * reorg.c (dbr_schedule): Use dump_file instead of file.
12629 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12632 * config/ia64/predicates.md (extr_len_operand): New predicate.
12633 * config/ia64/ia64.md (extv): Tighten constraints.
12635 (*tbit_and_2): Ditto.
12636 (*tbit_and_3): Ditto.
12637 (*tbit_or_2): Ditto.
12638 (*tbit_or_3): Ditto.
12639 (*bit_zero): Ditto.
12642 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12645 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12647 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12649 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12650 loop_optimizer_init and loop_optimizer_finalize
12651 * tree-ssa-sink.c (execute_sink_code): Ditto.
12652 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12653 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12654 tree_ssa_loop_done): Ditto.
12655 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12656 * sched-ebb.c: Include output.h.
12657 (schedule_ebbs): Do not use dump argument.
12658 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12659 * loop.c (loop_dump_stream): Removed.
12660 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12662 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12663 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12664 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12665 loop_iterations, strength_reduce, record_biv, record_giv,
12666 final_giv_value, check_final_value, check_ext_dependent_givs,
12667 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12668 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12669 dump_file instead of loop_dump_stream.
12670 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12671 argument dump_file.
12672 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12674 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12675 * haifa-sched.c: Include output.h
12676 (schedule_insns, sched_init): Do not use dump argument.
12677 * mode-switching.c (optimize_mode_switching): Ditto.
12678 * modulo-sched.c (stats_file): Removed.
12679 (print_node_sched_params): Do not call argument dump_file.
12680 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12681 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12683 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12685 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12686 rtl_loop_init, rtl_loop_done): Ditto.
12687 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12688 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12690 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12691 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12692 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12693 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12694 * emit-rtl.c (renumber_insns): Ditto.
12695 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12696 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12697 * regclass.c (regclass): Ditto.
12698 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12699 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12700 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12701 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12703 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12704 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12706 * gcse.c (gcse_file, debug_stderr): Removed.
12707 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12708 rest_of_handle_gcse): Do not use dump argument.
12709 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12710 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12711 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12712 compute_code_hoist_vbeinout, compute_code_hoist_data,
12713 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12714 compute_store_table, build_store_vectors, insert_insn_start_bb,
12715 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12716 store_motion): Use dump_file instead of gcse_file.
12717 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12718 * profile.c (profile_dump_file): Removed.
12719 (branch_prob): Use dump_file instead of profile_dump_file.
12720 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12722 * tree-ssa-copy.c (dump_copy_of): Ditto.
12723 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12724 dump file to life_analysis.
12725 * bt-load.c (branch_target_load_optimize): Ditto.
12726 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12728 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12729 regclass, dbr_schedule): Declaration changed.
12730 * sched-int.h (sched_init): Declaration changed.
12731 * tree-profile.c (tree_profile_dump_file): Removed.
12732 (tree_profile_hooks): Removed profile_dump_file hook.
12733 * rtl-profile (rtl_profile_dump_file): Removed.
12734 (rtl_profile_hooks): emoved profile_dump_file hook.
12735 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12737 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12738 * tree-cfg.c (build_tree_cfg): Ditto.
12739 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12740 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12741 Declaration changed.
12742 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12743 life_analysis and schedule_insns.
12744 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12746 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12748 * config/mips/mips.c (mips_reorg): Ditto.
12749 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12752 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12754 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12755 (s390_mangle_fundamental_type): New.
12756 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12759 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12760 (alpha_mangle_fundamental_type): New.
12761 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12764 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12766 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12768 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12769 (sparc_mangle_fundamental_type): New.
12771 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12773 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12774 (s390x-*-linux*): Likewise.
12775 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12776 * config/s390/t-linux: New file.
12778 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12780 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12781 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12783 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12785 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12786 (ANTIC_SAFE_LOADS): New macro.
12787 (find_or_generate_expression): Add prototype.
12788 (set_contains_value): Allow null set for sake of not always having
12789 to allocate ANTIC_SAFE_LOADS.
12790 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12791 Allow COMPONENT_REF too.
12792 (valid_in_set): Allow COMPONENT_REF.
12793 Check ANTIC_SAFE_LOADS too.
12794 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12795 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12797 (can_PRE_operation): Add COMPONENT_REF.
12798 (create_component_ref_by_pieces): New function.
12799 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12800 (insert_aux): Move AGGREGATE_TYPE_P check here.
12801 (compute_avail): Set bb local stmt uids.
12802 (pass_pre): Use TODO_update_ssa_only_virtuals.
12804 2006-02-06 Ben Elliston <bje@au.ibm.com>
12806 * configure.ac: Unconditionally disable decimal float by default.
12807 * configure: Regenerate.
12809 2006-02-06 Ben Elliston <bje@au.ibm.com>
12811 * read-rtl.c (read_name): Terminate reading on EOF.
12813 2006-02-06 Ben Elliston <bje@au.ibm.com>
12815 * dfp.c (decimal_real_arithmetic): Change second argument type
12816 from int to enum tree_code. Do not always return true, but now
12817 return result of any call to decimal_do helper functions.
12818 * dfp.h (decimal_real_arithmetic): Update prototype.
12820 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12822 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12824 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12827 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12830 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12832 * tree-vrp.c (cfg_loops): Removed.
12833 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12834 Use current_loops instead of cfg_loops. Pass flags to
12835 loop_optimizer_init.
12836 * cfgloopmanip.c (fix_loop_structure): Update only available
12838 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12839 loop_optimizer_init.
12840 * modulo-sched.c (build_loops_structure): Removed.
12841 (sms_schedule): Use loop_optimizer_init.
12842 * loop-init.c (loop_optimizer_init): Use flags to determine
12843 which properties of loops to prepare.
12844 (rtl_loop_init): Pass flags to loop_optimizer_init.
12845 * tree-ssa-sink.c (execute_sink_code): Ditto.
12846 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12847 * tree-ssa-pre.c (init_pre): Ditto.
12848 * cfgloop.h (LOOPS_NORMAL): New.
12849 (loop_optimizer_init): Declaration changed.
12851 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12853 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12854 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12856 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12858 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12860 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12861 * pa/t-pa64: Delete quadlib.c rule.
12862 * pa/x-ada: Revert last change.
12863 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12865 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12867 PR rtl-optimization/26087
12868 * rtlanal.c (canonicalize_condition): Do not cross basic block
12871 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12874 * config/ia64/ia64.c: Include debug.h.
12875 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12876 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12877 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12878 (process_epilogue, process_set, process_for_unwind_directive):
12879 Output unwind info only if requested. Add CFA info if requested.
12880 Add new arguments as needed. Adjust callers.
12881 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12883 (DWARF2_FRAME_INFO): Define to zero.
12884 * config/ia64/unwind-ia64.c: Remove code that compensated for
12885 the CFA offset error fixed above.
12886 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12887 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12888 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12889 -funwind-tables and -fexceptions to enable frame info.
12890 (dwarf2out_frame_init): Define initial CFA even if
12891 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12892 DWARF2_UNWIND_INFO is nonzero, not just defined.
12893 (dwarf2out_frame_finish): Output non-EH call frame info only
12894 if DWARF2_FRAME_INFO is nonzero.
12895 (convert_cfa_to_loc_list,
12896 compute_frame_pointer_to_cfa_displacement): Define even if
12897 unwind info is not supported.
12898 (gen_subprogram_die): Use the above unconditionally. Remove
12899 legacy alternate code.
12900 * toplev.c (compile_file): Compile in call to
12901 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12902 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12904 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12905 Jakub Jelinek <jakub@redhat.com>
12907 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12908 IBM extended float format long double as "g" on powerpc*-linux.
12910 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12913 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12914 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12916 2006-02-03 Jason Merrill <jason@redhat.com>
12919 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12921 PR middle-end/25977
12922 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12923 on the return slot if it's an NRV.
12925 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12927 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12928 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12929 rewrite_use): Do not handle USE_OUTER.
12930 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12931 add_iv_outer_candidates, may_replace_final_value,
12932 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12933 (find_interesting_uses_op): Functionality of
12934 find_interesting_uses_outer_or_nonlin moved here.
12935 (find_interesting_uses_outside): Use find_interesting_uses_op.
12937 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12940 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12942 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12943 Ulrich Weigand <uweigand@de.ibm.com>
12946 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12947 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12948 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12949 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12951 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12952 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12953 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12954 Define secondary reloads for TFmode moves.
12955 (constant_modes): Add TFmode.
12956 (NR_C_MODES): Set to 8.
12957 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12959 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12960 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12961 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12962 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12963 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12964 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12965 (FPR mode macro): Add TFmode.
12966 (DSF mode macro): New.
12967 (<de>, <dee> mode attributes): Removed.
12968 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12969 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12970 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12971 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12972 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12973 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12974 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12975 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12976 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12977 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12978 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12979 "*negabs<mode>2", "sqrt<mode>2"):
12980 Changed <de> to <xde>. R constraint replaced by <Rf>.
12981 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12983 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12984 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12985 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12987 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12988 "extenddftf2", "extendsftf2"): New expanders.
12989 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12990 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12991 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12992 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12994 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12995 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12996 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12997 __floatditf): Add a GCC_4.1.0 symbol version tag.
12998 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13001 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13004 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13005 Use targetm.binds_local_p instead of TREE_PUBLIC.
13007 2006-02-02 Roger Sayle <roger@eyesopen.com>
13009 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13010 on INTEGER_TYPEs to indicate that it denotes a character type.
13011 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13012 signed_char_type_node, unsigned_char_type_node and char_type_node.
13013 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13014 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13015 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13017 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13018 Daniel Berlin <dberlin@dberlin.org>
13020 * tree-tailcall.c (arg_needs_copy_p): New function.
13021 (eliminate_tail_call): Use arg_needs_copy_p.
13022 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13023 (add_virtual_phis): New function.
13025 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13027 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13028 #ignore instead of #scratch for %g7 .register directive.
13030 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13032 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13035 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13037 * flow.c (calculate_global_regs_live): Assert that there aren't any
13040 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13042 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13043 what its name says.
13044 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13045 bsi_after_labels iterator.
13046 * tree-if-conv.c (find_phi_replacement_condition,
13047 replace_phi_with_cond_modify_expr): Likewise.
13048 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13049 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13051 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13053 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13055 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13058 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13059 array after growing it.
13061 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13063 PR middle-end/24901
13064 * fold-const.c (fold_checksum_tree): Change type of buf.
13066 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13068 * reload.c (push_secondary_reload): Initialize t_icode.
13070 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13072 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13073 -msoft-float -mlong-double-128 only issue a warning, but don't
13074 swich to DFmode long double.
13076 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13078 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13079 has a constant equivalent, iterate over equivalents for arg0,
13080 calling simplify_relational_operation and if there's a result
13081 cheaper than X, apply fold_rtx and return the result.
13083 2006-02-01 Jan Hubicka <jh@suse.cz>
13085 * opts.c (no_unit_at_a_time_default): New global variable.
13086 (decode_options): Use it.
13087 * opts.h (no_unit_at_a_time_default): Declare.
13089 2006-02-01 Paul Brook <paul@codesourcery.com>
13091 * function.c (assign_parm_setup_reg): Use function argument promotion
13093 * expr.c (expand_expr_real_1): Use function argument promotion rules
13096 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13098 * gcc.c (process_command): Change j to 'unsigned int'.
13100 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13102 PR middle-end/26001
13103 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13104 Use the corrected index for the character
13105 out of the string constant.
13107 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13109 * mode-switching.c (optimize_mode_switching): Fix size
13110 allocated for bb_info[n_entities].
13112 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13114 * gcc.c (main): Correct type that is allocated for
13115 explicit_link_files.
13117 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13119 * config/s390/s390.c (init_alignment_context): Set
13120 ALIAS_SET_MEMORY_BARRIER on the MEM.
13121 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13123 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13125 PR middle-end/25933
13126 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13128 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13131 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13133 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13134 * regrename.c: Ditto.
13135 * tree-ssa-loop-im.c: Ditto.
13136 * tree-dump.c: Ditto.
13137 * tree-complex.c: Ditto.
13138 * genrecog.c: Ditto.
13139 * tree-ssa-threadupdate.c: Ditto.
13141 * java/class.c: Ditto.
13142 * java/jcf-parse.c: Ditto.
13143 * java/resource.c: Ditto.
13144 * java/except.c: Ditto.
13145 * java/jvspec.c: Ditto.
13146 * java/jcf-write.c: Ditto.
13147 * java/jcf-path.c: Ditto.
13148 * java/gjavah.c: Ditto.
13149 * java/zextract.c: Ditto.
13150 * java/jcf-io.c: Ditto.
13151 * java/jcf.h: Ditto.
13152 * java/buffer.c: Ditto.
13153 * java/lang.c: Ditto.
13154 * java/parse-scan.y: Ditto.
13155 * java/lex.c: Ditto.
13156 * java/lex.h: Ditto.
13157 * cfgloopmanip.c: Ditto.
13158 * postreload-gcse.c: Ditto.
13159 * tree-ssa-loop-manip.c: Ditto.
13160 * postreload.c: Ditto.
13161 * tree-ssa-loop-ch.c: Ditto.
13164 * cppspec.c: Ditto.
13165 * diagnostic.c: Ditto.
13167 * genoutput.c: Ditto.
13169 * cfghooks.c: Ditto.
13170 * cfgloopanal.c: Ditto.
13171 * objc/objc-act.c: Ditto.
13173 * genextract.c: Ditto.
13174 * genautomata.c: Ditto.
13175 * pretty-print.c: Ditto.
13176 * genemit.c: Ditto.
13177 * cgraphunit.c: Ditto.
13179 * df-scan.c: Ditto.
13180 * haifa-sched.c: Ditto.
13181 * dominance.c: Ditto.
13183 * tree-ssa-loop-ivopts.c: Ditto.
13184 * df-core.c: Ditto.
13185 * mode-switching.c: Ditto.
13186 * modulo-sched.c: Ditto.
13188 * ipa-pure-const.c: Ditto.
13190 * fix-header.c: Ditto.
13192 * tree-stdarg.c: Ditto.
13193 * ipa-utils.c: Ditto.
13194 * loop-init.c: Ditto.
13195 * ipa-inline.c: Ditto.
13196 * cfganal.c: Ditto.
13198 * alloc-pool.c: Ditto.
13199 * dwarf2out.c: Ditto.
13201 * genattrtab.c: Ditto.
13202 * tree-ssa-loop-ivcanon.c: Ditto.
13203 * predict.c: Ditto.
13204 * timevar.c: Ditto.
13206 * fortran/gfortranspec.c: Ditto.
13207 * regmove.c: Ditto.
13208 * local-alloc.c: Ditto.
13209 * langhooks.c: Ditto.
13210 * function.c: Ditto.
13211 * tree-vectorizer.c: Ditto.
13213 * ipa-type-escape.c: Ditto.
13215 * tree-if-conv.c: Ditto.
13216 * profile.c: Ditto.
13218 * tree-data-ref.c: Ditto.
13219 * loop-unroll.c: Ditto.
13220 * treelang/treetree.c: Ditto.
13222 * bt-load.c: Ditto.
13223 * ggc-common.c: Ditto.
13225 * coverage.c: Ditto.
13227 * tree-cfgcleanup.c: Ditto.
13228 * tree-ssa-pre.c: Ditto.
13229 * cfgcleanup.c: Ditto.
13230 * loop-invariant.c: Ditto.
13231 * loop-iv.c: Ditto.
13232 * ipa-prop.c: Ditto.
13233 * print-tree.c: Ditto.
13234 * conflict.c: Ditto.
13235 * ggc-page.c: Ditto.
13236 * sched-deps.c: Ditto.
13237 * regclass.c: Ditto.
13238 * tree-object-size.c: Ditto.
13239 * combine.c: Ditto.
13240 * bb-reorder.c: Ditto.
13241 * resource.c: Ditto.
13242 * var-tracking.c: Ditto.
13243 * cfgloop.c: Ditto.
13244 * df-problems.c: Ditto.
13245 * reg-stack.c: Ditto.
13247 * gccspec.c: Ditto.
13248 * sched-rgn.c: Ditto.
13249 * tree-ssa-structalias.c: Ditto.
13250 * tree-ssa-reassoc.c: Ditto.
13251 * config/darwin-c.c: Ditto.
13252 * config/darwin.c: Ditto.
13253 * config/arm/arm.c: Ditto.
13255 * collect2.c: Ditto.
13256 * reload1.c: Ditto.
13258 2006-01-31 Nicolas Pitre <nico@cam.org>
13260 * arm.md (smaxsi3): Make aware of smax_m1.
13263 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13265 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13267 2006-01-31 Richard Guenther <rguenther@suse.de>
13269 * doc/invoke.texi (-msselibm): Document.
13270 * target.h (expand_library_builtin): New target hook.
13271 * builtins.c (expand_builtin): Use expand_library_builtin.
13272 (default_expand_library_builtin): New function.
13273 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13274 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13275 (link_gcc_math_spec): Declare.
13276 (static_specs): Add link_gcc_math_spec.
13277 * expr.h (default_expand_library_builtin): Declare.
13278 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13279 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13280 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13281 * config/i386/i386.opt (msselibm): New target option.
13282 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13283 (ix86_init_sse_abi_builtins): New function.
13284 (ix86_expand_library_builtin): Likewise.
13285 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13286 (override_options): Handle error conditions wrt -msselibm.
13287 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13288 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13289 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13292 2006-01-31 Richard Guenther <rguenther@suse.de>
13293 Paolo Bonzini <bonzini@gnu.org>
13295 * doc/install.texi (--disable-libgcc-math): Document.
13297 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13299 * expr.h (expand_normal): new inline function.
13300 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13301 * dojump.c: use it.
13302 * dwarf2out.c: use it.
13305 * expmed.c: use it.
13306 * except.c: use it.
13307 * config/sparc/sparc.c: use it.
13308 * config/i386/i386.c: use it.
13309 * config/rs6000/rs6000.c: use it.
13310 * config/arm/arm.c: use it.
13311 * config/mips/mips.c: use it.
13312 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13314 2006-01-30 Roger Sayle <roger@eyesopen.com>
13316 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13317 argv to the appropriate type.
13319 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13321 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13324 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13327 * config/s390/s390.c (struct machine_function): New flag
13328 decomposed_literal_pool_addresses_ok_p.
13329 (s390_reorg): Set it before final stage of literal pool transforms.
13330 (s390_decompose_address): Only accept displacements of the form
13331 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13333 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13335 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13336 the comparison routine return.
13338 2006-01-30 Michael Matz <matz@suse.de>
13340 * global.c (find_reg): Only evict for global regs.
13341 Take n_refs into account and dump more info.
13343 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13346 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13347 (pragma_trap, pragma_nosave_low_regs): Likewise.
13348 (current_function_anonymous_args): Likewise.
13349 (sh_deferred_function_attributes): New variable.
13350 (sh_deferred_function_attributes_tail): Likewise.
13351 (print_operand): For '@', look up trap_exit attribute.
13352 (calc_live_regs): Look up trapa_handler attribute. For trapa
13353 handlers, save/restore fpscr, but don't do any other
13354 interrupt-specific saves.
13355 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13356 Fix check for partially saved registers to check for SHmedia.
13357 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13358 (sh_output_function_epilogue): Don't clear any of the removed
13360 (sh_insert_attributes): Don't check pragma_interrupt.
13361 Insert deferred attributes. Check that interrupt attribute is
13362 present for other attributes that require its presence.
13363 (sh_attribute_table): Add new attributes trapa_handler and
13365 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13366 Don't check for pragma_interrupt. Don't store argument.
13367 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13368 (sh_deferred_function_attributes): Declare.
13369 (sh_deferred_function_attributes_tail): Likewise.
13370 * sh.md (sp_switch_1): Add operand. Change generator caller.
13371 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13372 (*return_i): Don't use when trap_exit attribute is in effect.
13373 (*return_trapa): New insn pattern.
13374 * sh-c.c: New file.
13375 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13376 setting c_target_objs and cxx_target_objs.
13377 * t-sh: Add rule for sh-c.o.
13379 2006-01-30 Richard Guenther <rguenther@suse.de>
13382 * gimplify.c (gimplify_target_expr): Handle easy cases
13383 without creating a temporary.
13385 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13387 * vec.h (safe_grow): Remove duplicated line.
13389 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13392 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13393 (expand_omp): ... here.
13394 (expand_omp_parallel): Only remove barriers for combined
13395 parallel+workshare constructs.
13397 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13401 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13402 * tree.c (build_qualified_type): Chain the new type to the original
13403 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13404 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13405 (build_pointer_type_for_mode): Only return unqualified types.
13406 (build_reference_type_for_mode): Likewise.
13408 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13410 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13411 * Makefile.in (CXX_COMPAT_WARN): Define.
13412 * configure: Regenerate.
13414 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13417 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13420 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13422 * toplev.c: Fix thinko.
13424 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13425 Marcin Dalecki <martin@dalecki.de>
13427 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13428 (push_srcloc): Use XNEW.
13429 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13431 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13433 * df-core.c (df_set_blocks): Deleted all variable.
13435 2006-01-28 Ian Lance Taylor <ian@airs.com>
13437 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13438 cgraph_output_pending_asms.
13440 2006-01-28 Zack Weinberg <zackw@panix.com>
13442 * c.opt: Add -W(no-)overlength-strings.
13443 * doc/invoke.texi: Document it.
13444 * c-opts.c (c_common_handle_option): -pedantic implies
13445 -Woverlength-strings, if not explicitly disabled already.
13446 (c_common_post_options): -Woverlength-strings defaults to off, and
13447 is always off for C++.
13448 * c-common.c (fix_string_type): Issue warning about strings longer
13449 than is portable only if warn_overlength_strings. Rearrange code
13450 a little for clarity.
13451 * configure.in: Check for -Wno-overlength-strings as well before
13452 enabling -pedantic in stage 1.
13453 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13454 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13456 * genconditions.c (write_header, write_one_condition)
13457 (write_conditions, write_writer): Consolidate very long strings
13458 that were broken up to fit in C89 portable limit. Don't use
13459 printf when fputs will do.
13461 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13463 * combine.c (simplify_comparison <AND>): Check
13464 TRULY_NOOP_TRUNCATION before start using a subreg.
13466 * config/mips/mips.md (*branch_zero<mode>,
13467 *branch_zero<mode>_inverted, *branch_equality<mode>,
13468 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13469 Remove mode check from comparisons.
13471 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13473 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13475 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13477 * expmed.c (const_mult_add_overflow_p): Remove.
13478 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13480 * recog.c (validate_replace_rtx_subexp): Remove.
13481 * recog.h: Remove the prototype for
13482 validate_replace_rtx_subexp.
13484 * integrate.h: Remove the prototype for
13485 copy_decl_for_inlining.
13486 * rtl.h: Remove the prototype for mark_constant_function.
13487 * tree-vectorizer.h: Remove the prototype for
13488 vect_strip_conversion.
13490 * modulo-sched.c (create_partial_schedule,
13491 free_partial_schedule, reset_partial_schedule): Make them
13494 * hooks.c (hook_bool_rtx_int_false): Remove.
13495 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13497 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13499 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13500 and -mlong-double-128 are incompatible.
13501 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13502 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13503 (TARGET_LIBGCC2_CFLAGS): Define.
13504 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13505 (TARGET_LIBGCC2_CFLAGS): Same.
13506 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13508 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13511 * c-typeck.c (build_binary_op): Perform implicit casts of
13512 operands before shortening them.
13514 * cfgloopmanip.c (split_loop_bb): Remove.
13515 * cfgloop.h: Remove the prototype for split_loop_bb.
13517 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13518 * cfgloop.h: Remove the prototype for
13519 flow_loop_outside_edge_p.
13521 * emit-rtl.c (init_virtual_regs): Make it static.
13522 * function.h: Remove the prototype for init_virtual_regs.
13524 * recog.c (peephole2_optimize): Make it static.
13525 * recog.h: Remove the prototype for peephole2_optimize.
13527 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13529 * df-scan.c (df_record_entry_block_defs): Check if
13530 INCOMING_RETURN_ADDR_RTX is defined.
13532 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13533 Kenneth Zadeck <zadeck@naturalbridge.com>
13535 PR rtl-optimization/24762
13536 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13537 * targhooks.c (hook_void_bitmap): New hook prototype.
13538 * targhoohs.h (hook_void_bitmap): Ditto.
13539 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13540 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13541 * target.h (live_on_entry): New function pointer.
13542 * df-scan.c (df_all_hard_regs): Removed.
13543 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13544 (df_scan_free_internal): Added df->entry_block_defs.
13545 (df_scan_alloc): Ditto.
13546 (df_scan_dump): Ditto.
13547 (df_uses_record): Plumbed flag field properly thru calls.
13548 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13549 This part fixes PR24762.
13550 (df_bb_refs_record): Added code to make the frame and arg
13551 pointers live in EH blocks.
13552 (df_refs_record): Added call to df_record_entry_block_defs.
13553 (df_record_entry_block_defs): New function.
13554 * df-core.c: Added comments to describe new artifical defs.
13555 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13556 (entry_block_defs): New field in struct df.
13557 (df_all_hard_regs): Deleted.
13558 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13559 * df-problems.c (df_ru_bb_local_compute_process_def):
13560 Added code to handle artifical defs in the entry to a function.
13561 (df_ru_bb_local_compute): Ditto.
13562 (df_rd_bb_local_compute_process_def): Ditto.
13563 (df_rd_bb_local_compute): Ditto.
13564 (df_lr_bb_local_compute): Ditto.
13565 (df_ur_bb_local_compute): Ditto.
13566 (df_urec_bb_local_compute): Ditto.
13567 (df_chain_create_bb): Ditto.
13568 (df_ur_local_finalize): Removed entry.
13569 (df_urec_init): Ditto.
13570 (df_urec_local_finalize): Ditto.
13571 (df_ri_bb_compute): Added detection of last use of pseudos.
13572 * Makefile.in (df-scan.o): Updated dependencies.
13573 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13574 * config/mips/mips.c (mips_set_live_on_entry): Added.
13575 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13577 * dce.c (marked_insn_p): Added code to handle artifical defs.
13579 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13581 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13583 (_mm_cvtsi128_si64): Likewise.
13584 (_mm_cvtsd_si64): Likewise.
13585 (_mm_cvttsd_si64): Likewise.
13586 (_mm_cvtsi64_sd): Likewise.
13587 (_mm_cvtsi64_si128): Likewise.
13588 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13589 (_mm_cvtsi64_m64): Likewise.
13590 (_m_to_int64): Likewise.
13591 (_mm_cvtm64_si64): Likewise.
13592 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13593 (_mm_cvttss_si64): Likewise.
13594 (_mm_cvtsi64_ss): Likewise.
13595 (_mm_cvtss_f32): Likewise.
13597 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13599 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13600 for pragma redefine_extname.
13602 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13605 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13606 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13607 -mno-minimal-toc to previous content.
13608 (bispecs): Remove goal.
13609 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13610 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13611 compatibility aliases on powerpc-*-*gnu*.
13612 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13613 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13614 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13615 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13616 (ldblspecs): New goal.
13617 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13618 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13620 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13621 L_sf_to_tf or L_df_to_tf is defined.
13623 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13624 Alan Modra <amodra@bigpond.net.au>
13627 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13628 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13629 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13630 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13631 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13632 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13633 (rs6000_override_options): Initialize rs6000_ieeequad.
13634 Initialize TFmode format to ibm_extended_format if not
13636 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13638 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13639 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13640 (function_arg_advance): IBM long double passed in two FPRs, not
13642 (function_arg): IBM long double passed in FPRs.
13643 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13644 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13645 Only multireg GPR aligned.
13646 (rs6000_init_libfuncs): Enable IBM long double functions if not
13648 (rs6000_generate_compare): Use IBM long double compare if not
13650 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13651 (TARGET_IEEEQUAD): Define.
13652 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13653 not TARGET_IEEEQUAD.
13654 * config/rs6000/rs6000.md: Enable TFmode patterns if
13656 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13657 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13658 and -mlong-double-128 are incompatible.
13659 * doc/invoke.texi (-mabi): Collect options together. Add
13660 ibmlongdouble and ieeelongdouble.
13662 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13664 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13666 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13667 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13668 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13669 * rtl.h (rtunion_def): Remove rt_ptr.
13671 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13672 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13673 * config/i386/winnt.c (i386_pe_mark_dllexport)
13674 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13676 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13678 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13680 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13684 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13685 pthread_key_delete. From John David Anglin. gthrw-ify
13686 pthread_getunique_np only if it it's not a macro. Delete
13688 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13689 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13690 __gthread_objc_condition_signal, __gthread_key_delete): Add
13691 "__attribute__ ((__unused__))" to unused arguments.
13692 (__gthread_recursive_mutex_init_function): Add missing return.
13693 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13694 gthr-posix95.h: Use macro-based approach for name redirection
13695 on targets missing weakref.
13697 2006-01-26 Zack Weinberg <zackw@panix.com>
13699 * genconditions.c (write_header): In generated code, #ifdef out
13700 all includes and fake declarations, except includes of bconfig.h
13701 and system.h, unless GCC_VERSION >= 3001. Do not include
13702 gensupport.h in any case.
13703 (write_conditions): Generate a definition of struct c_test. Add
13704 a comment to the generated #endif.
13705 (write_one_condition): Escape backslashes in string too.
13706 (write_writer): Generated code must escape backslashes and quote
13707 marks (but not newlines) in the strings it writes.
13708 * Makefile.in (build/gencondmd.o): Update dependencies.
13710 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13713 * Makefile.in (insn-automata.o): Add header file dependencies.
13714 * genautomata.c: Add includes.
13716 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13719 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13721 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13723 * configure.ac: Expect target tools paths to be passed from the toplevel
13724 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13726 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13728 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13731 * c.opt (Wpointer-sign): Init to -1.
13732 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13733 OPT_pedantic, to 0 otherwise.
13734 * doc/invoke.texi: Update.
13736 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13738 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13739 constants provided by 80387 instructions in the destination mode.
13741 2006-01-26 Richard Guenther <rguenther@suse.de>
13742 Andrew Pinski <pinskia@physics.uc.edu>
13745 partial PR tree-opt/17064
13746 * tree-ssa-structalias.c (intra_create_variable_infos):
13747 Create heap variables for incoming parameters if
13748 flag_argument_noalias > 1.
13749 (find_what_p_points_to): Look through default defs of
13752 2006-01-26 Jeff Law <law@redhat.com>
13755 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13756 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13757 within the VR_RANGE, use the VR_RANGE as the result, not the
13759 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13760 bounds for the type.
13762 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13764 * tree-ssa-alias.c (maybe_create_global_var): Change
13765 subvar walking to an assertion that we don't have subvar'd variables.
13767 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13770 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13771 Use a new variable, inner. PARM_DECLs are always non-weak.
13773 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13775 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13776 --disable-checking.
13778 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13780 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13782 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13784 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13785 (smax_insn, smin_insn, smax_0, smin_0): New.
13787 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13790 * config/cris/cris.c (cris_order_for_addsi3): New function.
13791 * config/cris/cris-protos.h: Prototype it.
13792 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13793 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13794 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13795 (split for "op.S1 [rx=rx+i],ry (swapped)")
13796 (split for "op(s|u).S1 [rx=rx+i],ry")
13797 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13798 Apply cris_order_for_addsi3 when generating addsi3 insns.
13800 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13802 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13803 (TREE_BLOCK): Add call to EXPR_CHECK.
13805 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13808 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13809 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13810 (dump_omp_clauses): ... here.
13811 (dump_generic_node): Handle OMP_CLAUSE.
13812 * tree.c (omp_clause_num_ops): New.
13813 (omp_clause_code_name): New.
13814 (tree_code_size): Handle OMP_CLAUSE.
13815 (tree_size): Likewise.
13816 (make_node): Document handling of OMP_CLAUSE.
13817 (tree_node_structure): Handle OMP_CLAUSE.
13818 (omp_clause_check_failed): New.
13819 (omp_clause_range_check_failed): New.
13820 (omp_clause_operand_check_failed): New.
13821 (build_omp_clause): New.
13822 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13823 * tree.h (enum omp_clause_code): Declare.
13824 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13825 (OMP_CLAUSE_RANGE_CHECK): Define.
13826 (OMP_CLAUSE_ELT_CHECK): Define.
13827 (omp_clause_check_failed): Declare.
13828 (omp_clause_operand_check_failed): Declare.
13829 (omp_clause_range_check_failed): Declare.
13830 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13831 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13832 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13833 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13834 (OMP_CLAUSE_IF_EXPR): Likewise.
13835 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13836 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13837 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13838 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13839 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13840 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13841 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13842 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13843 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13844 (OMP_CLAUSE_CODE): Define.
13845 (OMP_CLAUSE_SET_CODE): Define.
13846 (OMP_CLAUSE_CODE): Define.
13847 (OMP_CLAUSE_OPERAND): Define.
13848 (struct tree_omp_clause): Declare.
13849 (union tree_node): Add field 'omp_clause'.
13850 * treestruct.def (TS_OMP_CLAUSE): Define.
13851 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13852 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13853 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13854 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13855 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13856 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13857 (OMP_CLAUSE): Define.
13858 * print-tree.c (print_node): Handle OMP_CLAUSE.
13859 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13860 * c-typeck.c: Likewise.
13861 * gimplify.c: Likewise.
13862 * c-omp.c: Likewise.
13863 * tree-nested.c: Likewise.
13864 * tree-inline.c: Likewise.
13865 * c-parser.c: Likewise.
13866 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13869 2006-01-25 Roger Sayle <roger@eyesopen.com>
13871 PR rtl-optimization/25703
13872 * combine.c (try_combine): Handle zero_extract and strict_low_part
13873 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13875 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13877 * global.c: Fix comment typos.
13879 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13882 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13883 Use output_addr_const instead of assemble_name.
13885 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13887 * Makefile.in (sched-vis.o): Update dependencies.
13888 * haifa-sched.c (sched_finish): Clear current_sched_info.
13889 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13890 (dump_flow_info): Call it.
13891 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13893 * basic-block.h (dump_bb_info): Declare.
13894 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13895 option, and apply options only for dump files whose TDF_RTL,
13896 TDF_TREE, or TDF_IPA bits match.
13897 * rtl.h: Declare new functions exported from sched-vis.c.
13898 * sched-vis.c: Enable also if scheduling is not used.
13899 (print_value): Print the mode of registers if not inside scheduling.
13900 (print_insn): Make it work outside the scheduler. Beautify the output
13902 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13904 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13906 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13907 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13908 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13909 depending on the value of CONSTANT_POOL_ADDRESS_P.
13910 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13912 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13913 rather than SYMBOL_REF_DECL.
13914 (rtx_constant_pool): Remove const_rtx_sym_htab.
13915 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13916 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13917 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13918 Remove handling of const_rtx_sym_htab.
13919 (find_pool_constant): Delete.
13920 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13921 rather than find_pool_constant.
13922 (get_pool_constant_for_function): Delete.
13923 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13924 find_pool_constant.
13925 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13926 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13927 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13928 (SYMBOL_REF_CONSTANT): New macro.
13929 (get_pool_constant_for_function): Delete.
13930 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13931 rather than SYMBOL_REF_DECL.
13932 (i386_pe_mark_dllimport): Likewise.
13933 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13934 rather than SYMBOL_REF_DECL.
13935 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13936 (machopic_indirect_call_target): Likewise.
13938 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13940 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13942 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13944 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13946 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13948 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13950 2006-01-24 David Daney <ddaney@avtrex.com>
13953 * configure.ac (enable_tls): New enable option.
13954 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13955 * configure: Regenerate.
13956 * doc/install.texi (--enable-tls): Document new option.
13957 (--disable-tls): Ditto.
13959 2006-01-24 Richard Henderson <rth@redehat.com>
13961 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13962 * alias.c (true_dependence): Respect it.
13963 (canon_true_dependence, write_dependence_p): Likewise.
13964 * builtins.c (get_builtin_sync_mem): Set it.
13966 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13968 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13971 2006-01-24 DJ Delorie <dj@redhat.com>
13973 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13974 for storing constants in single-bit bitfields.
13976 2006-01-25 Ben Elliston <bje@au.ibm.com>
13978 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13980 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13983 * tree-ssa-pre.c (phi_translate): Return NULL
13984 for AGGREGATE_TYPE's.
13986 2006-01-24 Zack Weinberg <zackw@panix.com>
13988 * genautomata.c (process_state_for_insn_equiv_partition):
13989 Use xcalloc for insn_arcs_array.
13990 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13991 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13993 2006-01-24 Richard Henderson <rth@redhat.com>
13995 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13996 update all callers.
13998 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14000 PR rtl-optimization/25890
14001 PR rtl-optimization/25905
14002 * combine.c (expand_compound_operation, expand_field_assignment):
14003 Fail if the bitfield's final position is out of bounds.
14005 2006-01-24 Ian Lance Taylor <ian@airs.com>
14007 PR middle-end/25930
14008 * cgraphunit.c (cgraph_output_in_order): Don't clear
14009 cgraph_asm_nodes until after asm strings have been output.
14011 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14013 * fix-header.c (read_scan_file): Add new parameter imultilib when
14014 calling register_include_chains.
14016 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14018 * omp-low.c: Update documentation.
14020 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14021 Daniel Berlin <dberlin@dberlin.org>
14025 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14026 return from the function.
14028 2006-01-22 Zack Weinberg <zackw@panix.com>
14030 * rtl.def (match_code): Add second argument.
14031 * genpreds.c (write_extract_subexp): New function.
14032 (write_match_code): Add path argument. Use write_extract_subexp.
14033 (write_predicate_expr): Pass path to write_match_code.
14034 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14035 not perform a mode test.
14036 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14037 a subexpression does not constrain the top-level code set.
14038 * read-rtl.c (read_rtx_variadic): New function.
14039 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14040 * doc/md.texi: Document new notation.
14041 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14042 (cmpsi_operand): ... here, using new notation.
14044 2006-01-22 Zack Weinberg <zackw@panix.com>
14046 * varray.c: Remove GENERATOR_FILE #ifdefs.
14048 2006-01-22 Zack Weinberg <zackw@panix.com>
14050 * genautomata.c (output_reserved_units_table): Emit nothing if
14051 description->query_units_num is zero. Remove extra blank line.
14052 (output_cpu_unit_reservation_p): Short circuit
14053 if description->query_units_num is zero.
14055 2006-01-22 Zack Weinberg <zackw@panix.com>
14057 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14058 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14059 nor any of the random handful of variables that used to be necessary
14060 when this program was linked with rtlanal.o. Prune set of forward
14061 function declarations.
14062 (struct attr_desc): Remove static_p field.
14063 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14064 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14065 (attr_string): Do not read the character one past the length of
14067 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14068 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14069 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14070 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14071 (make_automaton_attrs): New.
14072 (main): Do not call into genautomata. Call local gen_bypass
14073 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14074 Remove special case for insn_alts.
14075 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14076 varray.h (leftover from previous change). Prune set of forward
14077 function declarations. Remove state_alts fields from all
14078 structures. Remove state_alts_table from struct automaton.
14079 Make everything except main static. Do not maintain num_dfa_decls.
14080 Do not maintain state_alts fields of various structures.
14081 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14082 (add_arc): Remove state_alts argument. All callers updated.
14083 (output_reserved_units_table): Emit #ifdef here...
14084 (output_tables): ...not here. Don't generate state_alts tables.
14085 (expand_automata): Don't generate attributes.
14086 (write_automata): Don't generate state_alts functions.
14087 (main): New function.
14088 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14089 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14090 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14091 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14092 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14093 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14094 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14095 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14097 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14098 * genattrtab.h: Delete file.
14099 * Makefile.in (OBJS-common): Add insn-automata.o.
14100 (insn-automata.o): New rule.
14101 (simple_generated_c): Add insn-automata.c.
14102 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14103 (genprogmd): Add automata.
14104 (build/genattrtab): Needs no extra objects nor libraries.
14105 (build/genautomata): Needs build/vec.o and -lm.
14107 2006-01-22 Zack Weinberg <zackw@panix.com>
14109 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14110 (output_dfa_max_issue_rate, locked_states_num): Delete.
14111 (struct automaton): Add locked_states field.
14112 (output_dead_lock_vect): Save number of locked states in
14113 automaton->locked_states. If it is zero, don't print anything.
14114 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14115 (output_internal_dead_lock_func): Only test the dead_lock_vect
14116 for automata that have locked states.
14117 (output_statistics): Always print the number of locked states for
14118 each automaton. Calculate total number of locked states here.
14119 (write_automata): Don't call output_dfa_max_issue_rate.
14120 * genattrtab.c: Define length_unit_log as a const variable.
14121 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14122 max_insn_queue_index const.
14123 * final.c (length_unit_log): Declare const.
14124 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14126 2006-01-22 Zack Weinberg <zackw@panix.com>
14128 * genautomata.c: Include vec.h, not varray.h.
14129 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14130 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14131 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14132 VEC_* macros operating on appropriately typed vectors, or to
14133 malloced arrays when the size is known in advance. Const-ify
14134 many char* variables and function arguments. No functional changes.
14135 * Makefile.in (build/varray.o): Delete rule.
14136 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14137 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14139 2006-01-22 Zack Weinberg <zackw@panix.com>
14141 * gensupport.c: Define get_insn_name and record_insn_name here.
14142 (read_md_rtx): Call record_insn_name as appropriate.
14143 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14144 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14145 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14147 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14148 (BUILD_VARRAY): Delete.
14149 (genprognormal): Rename genprogmd. Fold in all programs from
14150 genprognoprint; also attrtab.
14151 (build/genattrtab): Just mention genautomata.o and varray.o.
14152 Reorganize a bit, add comments to make the categories clearer.
14154 2006-01-22 Zack Weinberg <zackw@panix.com>
14156 * genconditions.c (condition_table, add_condition): Delete.
14157 (write_conditions): Don't emit n_insn_conditions nor
14158 insn_elision_unavailable. Issue the gcc version #ifdef here,
14159 inside the table, with no #else clause ...
14160 (write_header): ...not here.
14161 (write_writer): New function.
14162 (main): Don't initialize condition_table. Use add_c_test.
14164 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14165 files on the command line.
14166 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14167 Return -1 if there is no entry in the table, don't abort.
14168 (add_c_test, traverse_c_tests): New functions.
14169 * gensupport.h (insn_elision_unavailable, insn_conditions)
14170 (n_insn_conditions): Delete declarations.
14171 (add_c_test, traverse_c_tests): Declare.
14172 * read-rtl.c: Include gensupport.h.
14173 (read_conditions): New function.
14174 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14175 (read_rtx_1): If we get EOF when we were looking for an initial
14176 open paren, return 0. Call read_conditions when appropriate.
14177 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14178 dummy-conditions.o. Eliminate references to insn-conditions.o,
14179 or change them to build/gencondmd.o, as appropriate. Remove
14180 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14181 from $(simple_generated_c). For all files remaining in those
14182 two lists, add insn-conditions.md to the generator command line.
14183 Give insn-constants.h/s-constants their own rules. Add rules
14184 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14185 (build/read-rtl.o): Depend on gensupport.h.
14186 (genprognormal): Include preds.
14187 (genprogearly): Rename genprognoprint; only difference is now that
14188 they don't link with $(BUILD_PRINT).
14189 * dummy-conditions.c: Delete.
14191 2006-01-22 Zack Weinberg <zackw@panix.com>
14193 * genextract.c: Don't include insn-config.h. Do include vec.h.
14194 Declare vectors of int, char, and locstr.
14195 (locstr): New typedef.
14196 (struct extraction): Make all array fields into bare pointers.
14197 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14198 (insn_code_number): Delete.
14199 (accum_extract): New struct.
14200 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14201 (gen_insn): Take insn_code_number as an argument. Use an
14202 accum_extract structure instead of loading data directly into
14203 a struct extraction, and having to know how big it might get.
14204 (walk_rtx): Operate entirely on an accum_extract structure.
14205 (print_path): Avoid unnecessary use of printf.
14206 (print_header): New function, split out of main. Distinguish
14207 more carefully between an unrecognizable insn and an insn that
14208 has the code number of a define_expand.
14209 (main): Pass insn_code_number to gen_insn. Call print_header
14210 only after parsing. Avoid unnecessary use of printf.
14211 * Makefile.in (build/vec.o): New rule.
14212 (build/genextract): Depend on build/vec.o.
14213 (build/genextract.o): Don't depend on insn-config.h.
14215 2006-01-22 Zack Weinberg <zackw@panix.com>
14217 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14218 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14219 practical. Eliminate per-generator-program link rules.
14221 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14223 PR middle-end/24437
14224 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14225 with a call expr to ...
14226 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14228 2006-01-23 Richard Guenther <rguenther@suse.de>
14230 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14231 before make_edge with conditional EDGE_TRUE_VALUE.
14233 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14234 Jan Hubicka <jh@suse.cz>
14235 Richard Guenther <rguenther@suse.de>
14237 PR rtl-optimization/25654
14238 * cfgexpand.c (aggregate_contains_union_type): New function.
14239 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14240 for structure variables that contain a union type.
14242 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14244 * gengtype.c (new_structure): Return the structure.
14245 (create_option): Add an extra "next" argument.
14246 (create_field): New function.
14247 (adjust_field_rtx_def): Use create_option and create_field.
14248 Remove a now-unnecessary call to find_structure.
14249 (adjust_field_tree_def): Likewise.
14250 (note_yacc_type): Remove an unnecessary call to find_structure.
14251 * gengtype.h (new_structure): Return the structure.
14252 (create_option): Add an extra argument.
14253 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14254 (option): Adjust calls to create_option.
14256 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14258 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14260 2006-01-22 Paul Brook <paul@codesourcery.com>
14261 Peter Barada <peter@the-baradas.com>
14263 * config/m68k/m68k.md: Add Coldfire FPU support.
14264 Define FP mode macro and associated attributes.
14265 Use it for float mode patterns.
14266 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14267 (LIBCALL_VALUE): Use m68k_libcall_value.
14268 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14269 (m68k_function_value): Ditto.
14270 (emit_move_sequence): Ditto.
14271 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14272 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14273 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14274 (MULTILIB_EXCEPTIONS): Ditto.
14275 * config/m68k/m68k.opt: Add mcfv4e.
14276 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14277 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14278 (m68k_output_function_prologue): Save ColdFire FPU registers.
14279 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14280 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14281 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14282 ColdFire FPU registers.
14283 (m68k_libcall_value, m68k_function_value): New functions.
14284 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14285 (LIBCALL_VALUE): Use m68k_libcall_value.
14286 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14287 (MASK_COLDFIRE): Add MASK_CFV4E.
14288 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14289 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14290 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14291 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14292 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14293 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14294 * doc/invoke.tex: Document -mcfv4e on m68k.
14296 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14298 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14301 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14304 * c-opts.c (c_common_handle_option): Don't include
14305 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14306 * doc/invoke.texi (C++ Dialect Options): Document that
14307 -Wnon-virtual-dtor is no longer included in -Wall.
14309 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14311 * gcov.c (print_version), gcov-dump.c (print_version),
14312 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14315 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14317 * df-scan.c (problem_SCAN): Added NULL reset function.
14318 (df_scan_reset_blocks): Added code to call reset block function
14319 (df_bb_refs_delete) Fixed comment.
14320 (df_insn_refs_delete): Made tolerant of deleting non existent info
14321 for dataflow problems that need to be reset.
14322 * df-core.c (df_set_blocks): Ditto.
14323 * df.h (struct df_problem): Added reset_fun.
14324 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14325 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14326 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14327 functions to clear out all references to def-use or use-def chains.
14329 2006-01-21 Ben Elliston <bje@au.ibm.com>
14331 * varasm.c (assemble_real): Initialise data array.
14333 2006-01-20 Paul Brook <paul@codesourcery.com>
14335 Merge from csl-arm-branch.
14336 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14337 * config/arm/arm.md (movdi): Force operands[1] to a register
14338 if we have a non-register source.
14339 (*arm_movdi, *movdf_soft_insn): Require that one of the
14340 operands be a register.
14341 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14342 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14344 2006-01-20 DJ Delorie <dj@redhat.com>
14346 * varasm.c (initializer_constant_valid_p): Allow pointers
14347 initialized from integer constants of lesser precision.
14348 (output_constant): Allow non-int-sized pointer modes to be
14349 initialized from integer constants.
14351 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14354 * cppdefault.h (struct default_include): Add multilib flag.
14355 * cppdefault.c (cpp_include_defaults): Set it.
14356 * c.opt (-imultilib): New option.
14357 * c-opts.c (imultilib): New.
14358 (c_common_handle_option): Handle -imultilib.
14359 (c_common_post_options): Likewise.
14360 * c-incpath.c (add_standard_paths, register_include_chains):
14362 * c-incpath.h (register_include_chains): Add extra parameter.
14363 * gcc.c (do_spec_1): Generate -imultilib option.
14364 (The Specs Language): Update %I description.
14365 (process_command): Update copyright notice.
14366 * doc/cppopts.texi (-imultilib): Document.
14367 * doc/invoke.texi (-imultilib): Include in option summary.
14368 (%I): Update specs documentation.
14370 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14372 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14374 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14376 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14379 2006-01-20 Richard Guenther <rguenther@suse.de>
14380 Steven Bosscher <stevenb.gcc@gmail.com>
14382 PR rtl-optimization/24626
14383 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14384 EDGE_TRUE_VALUE if in RTL mode.
14387 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14388 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14390 2006-01-20 Dirk Mueller <dmueller@suse.com>
14393 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14394 instead of a special NOP marker.
14395 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14396 NOP marker handling.
14397 * c-common.h (empty_body_warning): Add forward declaration.
14398 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14399 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14401 2006-01-20 Paul Brook <paul@codesourcery.com>
14403 * Makefile.in (lang_checks): Keep going if mkdir fails.
14405 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14407 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14408 be able to clean out basic block when not necessary.
14409 (df_scan_free): Fixed to properly delete information if df is
14410 unused before calling df_finish.
14411 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14412 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14414 (df_bb_refs_delete): New function.
14415 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14416 * df-core.c (df_set_blocks): Added code to properly clean out
14417 unused blocks if they are not part of the blocks to consider.
14418 Added additional null check.
14419 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14420 be able to clean out basic block when not necessary
14421 * df.h (df_free_bb_function): Ditto.
14422 (df_bb_refs_delete): New function.
14423 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14424 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14425 basic block parameter to be able to clean out basic block when not
14427 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14428 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14429 Fixed to properly delete information if df is unused before
14432 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14434 PR rtl-optimization/25799
14435 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14436 Corrected confluence operator to remove bits from op2 before oring
14437 with op1 rather than removing bits from op1.
14438 (df_ru_transfer_function): Corrected test on wrong bitmap which
14439 caused infinite loop. Both of these problems were introduced in
14440 the dataflow rewrite.
14442 2006-01-19 DJ Delorie <dj@redhat.com>
14444 * reload1.c (find_reload_regs): Note the details of reload
14445 failures in the dump file.
14446 (spill_failure): Likewise.
14448 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14450 * loop-iv.c: Include df.h and hashtab.h.
14451 (enum iv_grd_result): New enum.
14452 (DF_REF_IV, DF_REF_IV_SET): New macros.
14453 (struct biv_entry): New.
14454 (df, bivs): New global variables.
14455 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14456 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14458 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14459 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14460 analyzed_for_bivness_p, record_biv): New functions.
14461 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14462 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14463 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14465 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14467 (iv_number_of_iterations): Use new interface to iv analysis.
14468 * loop-unroll.c: Do not include varray.h.
14469 (analyze_iv_to_split_insn): Use new interface to iv
14471 * loop-unswitch.c (may_unswitch_on): Ditto.
14472 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14474 (df_bb_modify): Realloc tables to the new index.
14475 (df_find_use): New function.
14476 * df.h (df_find_use): Declare.
14477 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14479 * cfgloop.h (struct rtx_iv): Remove analysed field.
14480 (iv_get_reaching_def): Removed.
14481 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14482 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14483 (loop-iv.o): Add df.h and hashtab.h dependency.
14484 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14486 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14489 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14491 (__floatundisf, __floatundidf): Likewise.
14492 * libgcc2.h (IS_IBM_EXTENDED): Define.
14494 2006-01-19 DJ Delorie <dj@redhat.com>
14496 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14498 2006-01-19 Paul Brook <paul@codesourcery.com>
14500 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14501 as nothrow when unwinding tables are disabled.
14503 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14506 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14507 of bit-field" when in system header.
14509 2006-01-19 DJ Delorie <dj@redhat.com>
14511 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14512 the 16 bit shift limit of the m16c.
14514 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14517 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14518 * config/i386/i386.c (output_set_got): Output the label if we have one
14519 for the TARGET_DEEP_BRANCH_PREDICTION case.
14521 2006-01-19 Jan Hubicka <jh@suse.cz>
14522 H.J. Lu <hongjiu.lu@intel.com>
14523 Evandro Menezes <evandro.menezes@amd.com>
14525 * invoke.texi (generic): Document
14527 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14528 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14529 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14530 (x86_use_incdec, x86_pad_returns): New variables
14531 (TARGET_CPU_DEFAULT_generic): New constant
14532 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14533 (enum processor_type): Add generic32 and generic64.
14534 * i386.md (cpu attribute): Add generic32/generic64
14535 (movhi splitter): Behave sanely when both partial_reg_dependency and
14536 partial_reg_stall are set.
14537 (K8 splitters): Enable for generic as well.
14538 * predicates.md (incdec_operand): Use TARGET_INCDEC
14539 (aligned_operand): Avoid memory mismatch stalls.
14540 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14541 * ppro.md: Enable for generic32
14542 * i386.c (generic64_cost, generic32_cost): New.
14543 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14544 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14545 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14546 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14547 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14548 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14549 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14550 x86_accumulate_outgoing_args, x86_prologue_using_move,
14551 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14552 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14553 Enable for generic.
14554 (x86_use_incdec, x86_pad_returns): New.
14555 (override_options): Add generic32 and generic64, translate "generic"
14556 to generic32/generic64 and "i686" to "generic32", refuse
14557 "generic32"/"generic64" as arch target.
14558 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14559 (ix86_reorg): Honor PAD_RETURNS.
14561 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14563 * tree-pretty-print.c (dump_generic_node): Handle
14564 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14565 * cgraph.c (cgraph_expand_queue): Rename from
14566 cgraph_analyze_queue. Update all users.
14567 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14568 cgraph_expand_queue.
14569 (cgraph_expand_all_functions): Likewise.
14570 (cgraph_finalize_pending_functions): Remove. Update callers.
14572 * tree.h (OMP_DIRECTIVE_P): Define.
14573 (OMP_PARALLEL_FN): Define.
14574 (OMP_PARALLEL_DATA_ARG): Define.
14575 (OMP_SECTIONS_SECTIONS): Define.
14576 * tree-pass.h (pass_expand_omp): Declare.
14577 * omp-low.c (struct omp_region): Declare.
14578 (struct omp_context): Remove fields 'parallel_type',
14579 'parallel_start_ix' and 'parallel_start_additional_args'.
14581 (struct omp_for_data): Rename from struct expand_omp_for_data.
14582 (omp_regions): New static variable.
14583 (root_omp_region): New static variable.
14584 (find_omp_clause): Make static.
14585 (is_in_combined_parallel_ctx): Remove.
14586 (is_combined_parallel): New.
14587 (extract_omp_for_data): Move earlier in the file.
14588 (workshare_safe_to_combine_p): New.
14589 (get_ws_args_for): New.
14590 (determine_parallel_type): Move earlier in the file.
14591 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14593 (omp_copy_decl): Likewise.
14594 (create_omp_child_function): Likewise.
14595 (lookup_omp_region): New.
14596 (dump_omp_region): New.
14597 (debug_omp_region): New.
14598 (debug_all_omp_regions): New.
14599 (new_omp_region): New.
14600 (scan_omp_parallel): If parallel_nesting_level > 1, the
14601 directive is nested within another parallel directive.
14602 Set OMP_PARALLEL_FN.
14603 (scan_omp_for): Do not try to handle combined parallel+for
14605 Remove FIXME comment.
14606 (scan_omp_nested): Remove.
14607 (scan_omp_1): Do not call scan_omp_nested when
14608 parallel_nesting_level is > 1.
14609 Do not change the DECL_CONTEXT of local variables found.
14610 (lookup_decl_in_outer_ctx): New.
14611 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14612 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14613 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14614 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14615 If CTX is nested, lookup VAR in the outer context when
14616 building copy assignment.
14617 (lower_send_clauses): Rename from expand_send_clauses.
14618 If CTX is nested, lookup VAR in the outer context when
14619 building copy assignments.
14620 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14621 If CTX is nested, lookup VAR in the outer context when
14622 building copy assignments.
14623 (expand_parallel_call): Rename from build_parallel_call.
14624 Handle combined parallel+workshare cases.
14625 Re-implement to emit code into the CFG.
14627 (expand_omp_parallel): Re-implement to emit code into the CFG.
14628 Call move_sese_region_to_fn to outline the sub-graph
14629 containing the parallel region.
14630 (expand_omp_for_1): Remove.
14631 (expand_omp_for_generic): Re-implement to emit code into the
14633 (expand_omp_for_static_nochunk): Likewise.
14634 (expand_omp_for_static_chunk): Likewise.
14635 (expand_omp_for): Likewise.
14636 (expand_omp_sections): Likewise.
14637 (remove_exit_barriers): New.
14638 (expand_omp_synch): New.
14640 (build_omp_regions_1): New.
14641 (build_omp_regions): New.
14642 (execute_expand_omp): New.
14643 (gate_expand_omp): New.
14644 (pass_expand_omp): Define.
14645 (lower_omp_sections): Rename from expand_omp_sections.
14646 Set OMP_SECTIONS_SECTIONS.
14647 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14648 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14649 (lower_omp_single): Rename from expand_omp_simple.
14650 (lower_omp_master): Rename from expand_omp_master.
14651 (lower_omp_ordered): Rename from expand_omp_ordered.
14652 (lower_omp_critical): Rename from expand_omp_critical.
14653 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14654 (lower_omp_for): Re-implement.
14655 (lower_omp_parallel): Re-implement.
14656 (lower_regimplify): Rename from expand_regimplify.
14657 (lower_omp_1): Rename from expand_omp_1.
14658 If there are syntax errors in the program, replace every
14659 OpenMP directive with NOP.
14660 Call lower_omp_* instead of expand_omp_*.
14661 (lower_omp): Rename from expand_omp.
14663 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14664 * tree-gimple.h (enum omp_parallel_type): Remove.
14665 (gimple_boolify): Declare extern.
14666 (find_omp_clause, determine_parallel_type): Remove.
14668 * gimple-low.c (lower_omp_directive): New.
14669 (lower_stmt): Call it.
14670 (record_vars_into): Move from ...
14671 (record_vars): ... here.
14672 Call record_vars_into with current_function_decl.
14674 * gimplify.c (struct gimplify_ctx): Remove fields
14675 combined_pre_p and combined_ctxp. Update users.
14676 (get_formal_tmp_var): Add documentation.
14677 (gimple_boolify): Make extern.
14678 (gimplify_expr_in_ctx): Remove. Update callers.
14679 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14680 will always be a BIND_EXPR.
14681 (gimplify_expr): Handle OMP_RETURN_EXPR.
14682 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14683 (OMP_PARALLEL): Add 3 operands.
14684 (OMP_SECTIONS): Add 1 operand.
14685 (OMP_RETURN_EXPR): Define.
14687 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14688 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14689 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14690 creating a circular free list.
14691 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14693 * tree-flow.h (move_sese_region_to_fn): Declare.
14694 (record_vars_into): Declare.
14695 * tree-cfg.c (make_omp_sections_edges): New.
14696 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14697 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14698 OMP_SECTIONS and OMP_SECTION.
14699 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14700 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14701 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14702 (gather_blocks_in_sese_region): New.
14703 (struct move_stmt_d): Declare.
14704 (move_stmt_r): New.
14705 (move_block_to_fn): New.
14706 (move_sese_region_to_fn): New.
14708 * passes.c (init_optimization_passes): Schedule
14709 pass_expand_omp after pass_init_datastructures.
14711 * tree-ssa-operands.c (get_expr_operands): Handle
14712 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14713 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14715 2006-01-19 Jeff Law <law@redhat.com>
14717 * tree-vrp.c (extract_range_from_assert): Refine the result range
14718 if the variable referenced by the ASSERT_EXPR has a range and
14719 either the tentative result range or the previous range is a
14722 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14724 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14726 2006-01-19 Jan Hubicka <jh@suse.cz>
14728 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14730 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14732 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14733 (expand_compound_operation, expand_field_assignment): Fail if the
14734 bit lengths of an extract operation are out of range.
14735 (make_extraction): Compute wanted_inner_mode based on the position
14736 and length of the extraction. Make it extraction_mode for non-constant
14737 positions, and do not modify offset in that case. When generating a
14738 new MEM, use a mode that can hold the extraction while keeping correct
14739 alignment. Remove code that supported MEMs wrapped by USEs.
14740 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14742 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14744 * config/s390/s390.md ("Y", "y"): New mode attribute.
14745 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14746 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14747 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14748 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14749 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14750 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14751 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14752 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14753 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14754 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14755 "addsi3", "subsi3"): Insn patterns removed.
14756 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14757 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14758 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14759 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14760 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14761 "*sub<mode>3_cconly2"): New insn patterns.
14762 ("addsi3", "subsi3"): New expanders.
14764 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14766 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14767 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14768 existing STMT_VINFO_VECTYPE if available.
14769 (vect_mark_relevant): Add special handling for stmts that are
14770 marked as STMT_VINFO_IN_PATTERN_P.
14771 (vect_analyze_loop): Call vect_pattern_recog.
14772 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14773 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14775 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14776 (vect_recog_func_ptr): New function-pointer type.
14777 * tree-vect-patterns.c: New file.
14778 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14779 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14780 (vect_pattern_recog_1): New functions.
14781 (vect_pattern_recog_funcs): New array of function pointers.
14783 * tree-vectorizer.h (ternary_op): New enum value.
14784 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14785 declaration. Revised documentation. Removed redundant dump prints.
14786 Removed redundant argument. Added support for reduction patterns.
14787 (vectorizable_reduction): Added support for reduction patterns.
14788 (vect_transform_stmt): Added support for patterns.
14790 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14791 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14792 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14793 (expand_widen_pattern_expr): New function.
14794 (init_optabs): Initialize new optabs udot_prod_optab,
14796 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14797 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14798 (expand_widen_pattern_expr): New function declaration.
14799 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14801 * tree-inline.c (estimate_num_insns_1): Added cases for new
14802 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14803 * tree-pretty-print.c (dump_generic_node): Likewise.
14804 (op_prio): Likewise.
14805 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14806 * tree-ssa-operands.c (get_expr_operands): Added case for
14808 * tree-vect-patterns.c (widened_name_p): New function.
14809 (vect_recog_dot_prod_pattern): Added function implementation.
14810 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14811 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14812 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14813 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14815 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14816 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14817 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14818 (init_optabs): Initialize new optabs widen_ssum_optab,
14820 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14821 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14822 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14823 use instead of type of def.
14824 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14825 function implementation.
14826 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14827 widen_ssumv8hi): New.
14829 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14832 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14835 * c-decl.c (add_flexible_array_elts_to_size): New function.
14836 (finish_decl): Use it.
14838 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14840 * diagnostic.h: Include options.h.
14841 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14842 dependancies for diagnostic.h.
14843 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14845 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14847 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14848 (ssa_ro_call_cache_valid): Ditto.
14849 * tree-ssa-alias.c (sort_tags_by_id): New function.
14850 (init_transitive_clobber_worklist): Ditto.
14851 (add_to_worklist): Ditto.
14852 (mark_aliases_call_clobbered): Ditto.
14853 (compute_tag_properties): Ditto.
14854 (set_initial_properties): Ditto.
14855 (compute_call_clobbered): Ditto.
14856 (compute_may_aliases): Call compute_call_clobbered and grouping.
14857 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14858 (compute_flow_insensitive_aliasing): Grouping now happens in our
14860 (setup_pointers_and_addressables): Remove clobbering related code.
14861 (add_may_alias): Ditto.
14862 (replace_may_alias): Ditto.
14863 (get_nmt_for): Ditto.
14864 (create_global_var):
14865 (is_escape_site): Return an escape_type enumeration.
14866 * tree-flow-inline.h (is_call_clobbered): Global var does not
14867 imply call clobbered.
14868 (mark_call_clobbered): Take a reason for marking this. Remove
14869 marking of globalness, and cache invalidation.
14870 (clear_call_clobbered): Remove cache invalidation code.
14871 * tree-dfa.c (dump_variable): If details is on, dump the reason
14873 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14875 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14876 (struct var_ann_d): Ditto.
14877 (enum escape_type): New.
14878 (mark_call_clobbered): Adjust prototype.
14879 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14880 are never call clobbered.
14881 Record reasons for escaping.
14882 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14883 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14884 (ssa_ro_call_cache_valid): Ditto.
14885 (clobbered_v_may_defs): Ditto.
14886 (clobbered_vuses): Ditto.
14887 (ro_call_vuses): Ditto.
14888 (clobber_stats): New.
14889 (init_ssa_operands): Zero out clobber stats.
14890 (fini_ssa_operands): Print out clobber stats.
14891 (get_call_expr_operands): Pass callee fndecl to
14892 add_call_read_ops).
14893 (add_call_clobber_ops): Remove use of cache.
14894 Add use of PURE_CONST information.
14895 (add_call_read_ops): Remove use of cache.
14896 Add use of static not_read information.
14898 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14900 Introduce TLS descriptors for i386 and x86_64.
14901 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14902 (TARGET_ANY_GNU_TLS): New macro.
14903 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14904 (struct machine_function): Add tls_descriptor_call_expanded_p.
14905 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14906 (ix86_current_function_calls_tls_descriptor): Likewise.
14907 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14908 (override_options): Introduce gnu2 tls dialect.
14909 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14911 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14913 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14914 (ix86_init_machine_status): Initialize new field.
14915 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14916 (ix86_tls_module_base): New.
14917 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14918 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14919 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14920 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14921 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14922 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14923 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14924 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14925 * config/i386/predicates.md (tls_modbase_operand): New.
14926 (tp_or_register_operand): New.
14928 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14930 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14931 (look_for_address_of): Ditto.
14932 (ipa_init): Walk the function decls.
14933 (static_execute): Don't set readonly on FUNCTION_DECL's.
14935 2006-01-18 Roger Sayle <roger@eyesopen.com>
14937 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14938 for shifts where the source and destination registers are different.
14940 2006-01-18 Paul Brook <paul@codesourcery.com>
14942 Merge from csl-arm-branch.
14943 2005-03-14 Julian Brown <julian@codesourcery.com>
14944 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14945 (aeabi_llsl): Likewise.
14946 (ashrdi3): Likewise.
14947 (aeabi_lasr): Likewise.
14948 (lshrdi3): Likewise.
14949 (aeabi_llsr): Likewise.
14950 2005-03-10 Julian Brown <julian@codesourcery.com>
14951 * config.gcc: Disable shared libgcc for SymbianOS.
14952 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14954 2006-01-18 DJ Delorie <dj@redhat.com>
14956 * c-pragma.c (handle_pragma_diagnostic): New.
14957 (init_pragma): Register it.
14958 * doc/extend.texi: Document it.
14960 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14961 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14962 (diagnostic_context): Add classify_diagnostic[].
14963 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14964 as errors if they're overridden to DK_WARNING.
14965 (diagnostic_initialize): Initialize classify_diagnostic[].
14966 (diagnostic_set_kind_override): New.
14967 (diagnostic_report_diagnostic): Check for kind changes.
14968 * opts.c (common_handle_option): Take lang_mask. Update callers.
14969 Handle OPT_Werror_.
14970 * common.opt (Werror=): New.
14971 * doc/invoke.texi: Document -Werror=*
14973 2006-01-18 Jeff Law <law@redhat.com>
14975 * tree-vrp.c (test_for_singularity): Correct test for new
14976 min limit. Use operand_equal_p rather than pointer equality
14977 for testing if new min/max values are equal.
14979 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14980 using range information until after propagation and folding.
14982 2006-01-18 Richard Henderson <rth@redhat.com>
14983 Aldy Hernandez <aldyh@redhat.com>
14984 Jakub Jelinek <jakub@redhat.com>
14985 Diego Novillo <dnovillo@redhat.com>
14987 * omp-low.c: New file.
14988 * c-omp.c: New file.
14990 2006-01-18 Richard Henderson <rth@redhat.com>
14991 Jakub Jelinek <jakub@redhat.com>
14992 Diego Novillo <dnovillo@redhat.com>
14994 * doc/invoke.texi: Document -fopenmp.
14995 * tree-dump.h (debug_function): Declare.
14996 * hooks.c (hook_bool_tree_bool_false): New function.
14997 (hook_tree_tree_null): Remove.
14998 (hook_tree_tree_tree_null): New.
14999 * hooks.h: Update to match.
15000 * tree-pretty-print.c (debug_tree_chain): New.
15001 (print_generic_expr): Handle TDF_CHAIN.
15002 (dump_generic_node): Handle BLOCK.
15003 Do not abort with incomplete SWITCH_EXPRs.
15004 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15005 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15006 print space after directive name.
15007 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15008 Handle OMP_MASTER and OMP_ORDERED.
15009 Handle printing of OMP_BODY just in one place, goto
15010 dump_omp_body in the rest of OMP_* nodes that have
15012 Don't handle clause nodes here. Update omp statements to
15013 use dump_omp_clauses.
15014 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15015 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15016 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15017 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15018 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15019 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15020 Adjust output for GOMP_PARALLEL.
15021 (dump_omp_clauses): New.
15022 (print_declaration): Dump DECL_VALUE_EXPR.
15023 (op_symbol_1): Split out of op_symbol.
15024 (dumping_stmts): Remove. Update all users.
15025 * cgraph.c (cgraph_analyze_queue): New.
15026 (cgraph_add_new_function): New.
15027 * cgraph.h (cgraph_analyze_queue): Declare.
15028 (cgraph_add_new_function): Declare.
15029 (cgraph_lower_function): Remove.
15030 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15031 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15032 and TYPE_P nodes in its default clause.
15033 (empty_body_p): New.
15034 (tree_range_check_failed): New.
15035 (build5_stat): New.
15036 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15037 OMP_CLAUSE_REDUCTION_MERGE,
15038 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15039 OMP_CLAUSE_PRIVATE_DEBUG,
15040 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15041 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15042 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15043 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15044 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15045 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15046 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15047 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15048 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15049 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15050 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15051 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15052 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15053 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15054 (TREE_RANGE_CHECK): New.
15055 (empty_body_p): Declare.
15056 (enum omp_clause_default_kind): New.
15057 (build_string_literal): Declare.
15058 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15059 (build5_stat, build5): Declare.
15060 * tree-pass.h (TDF_CHAIN): Define.
15061 * tree-pass.h (PROP_gimple_lomp): Define.
15062 (pass_lower_omp): Declare.
15063 * diagnostic.h (debug_tree_chain): Declare.
15064 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15066 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15067 * builtins.c (build_string_literal): Make extern.
15068 * gcc.c (include_spec_function): New.
15069 (static_spec_functions): Add it.
15070 (main): Move load of libgomp.spec ...
15071 (LINK_COMMAND_SPEC): ... here.
15072 (link_gomp_spec): New.
15073 (static_specs): Include it.
15074 (LINK_COMMAND_SPEC): Add link_gomp.
15075 (GOMP_SELF_SPECS): New.
15076 (driver_self_specs): Include it.
15077 (switch_matches): Don't mark inline.
15078 (main): Load libgomp.spec.
15079 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15080 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15081 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15082 * tree-gimple.h (enum omp_parallel): Declare.
15083 (determine_parallel_type): Declare.
15084 (omp_firstprivatize_variable): Declare.
15085 (omp_reduction_init): Declare.
15086 (diagnose_omp_structured_block_errors): Declare.
15087 (struct walk_stmt_info): Add want_return_expr.
15088 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15089 (find_omp_clause): Declare.
15090 (insert_field_into_struct): Declare.
15091 (struct walk_stmt_info): Move from tree-nested.c
15092 (walk_stmts): Declare.
15093 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15095 * cgraphunit.c (cgraph_lower_function): Make static.
15096 (cgraph_finalize_pending_functions): New.
15097 (cgraph_finalize_function): Call it.
15098 (cgraph_finalize_compilation_unit): Likewise.
15099 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15100 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15101 (BT_FN_UINT_UINT): New.
15102 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15103 DEF_FUNCTION_TYPE_VAR_4): Document.
15104 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15105 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15106 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15107 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15108 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15109 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15110 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15111 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15112 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15113 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15114 into separate files.
15115 (DEF_GOMP_BUILTIN): New.
15116 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15117 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15118 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15119 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15120 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15121 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15122 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15123 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15124 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15125 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15126 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15127 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15128 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15129 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15130 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15131 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15132 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15133 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15134 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15135 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15136 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15137 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15138 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15139 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15140 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15141 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15142 * sync-builtins.def: New file, moved from builtins.def.
15143 * omp-builtins.def: New file, moved from builtins.def.
15144 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15145 * gimple-low.c (lower_function_body): Clear data.
15146 (lower_stmt): Do not handle COMPOUND_EXPR.
15147 Remove call to print_node_brief.
15148 * c-tree.h (c_finish_omp_clauses): New prototype.
15149 (C_DECL_THREADPRIVATE_P): Define.
15150 (lookup_name_no_remap, c_omp_remap_private): Remove
15151 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15152 (check_for_loop_decls): Update decl.
15153 (lookup_name_no_remap, c_omp_remap_private): Declare.
15154 (build_indirect_ref, build_modify_expr, pushdecl,
15155 pushdecl_top_level): Move to c-common.h.
15156 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15157 before the switch, but just in the 2 places that need it.
15158 * c-decl.c (diagnose_mismatched_decls): Do not check for
15159 mismatched thread-local attributes when OLDDECL is marked
15160 threadprivate and NEWDECL has no thread-local attributes.
15161 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15162 (c_gimple_diagnostics_recursively): Rename from
15163 c_warn_unused_result_recursively. Invoke
15164 diagnose_omp_structured_block_errors.
15165 (check_for_loop_decls): Return a singular decl found.
15166 * langhooks.c (lhd_omp_predetermined_sharing): Return
15167 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15168 (lhd_omp_firstprivatize_type_sizes): New.
15169 (lhd_omp_assignment): New.
15170 (lhd_omp_predetermined_sharing): New.
15171 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15172 (struct lang_hooks_for_types): Add
15173 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15174 omp_predetermined_sharing, omp_disregard_value_expr,
15175 omp_private_debug_clause, omp_clause_default_ctor,
15176 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15177 (c_finish_omp_clauses): New.
15178 (c_finish_bc_stmt): Diagnose break within omp for.
15179 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15180 (build_unary_op): Return error_mark after reporting
15182 (build_modify_expr): Likewise.
15183 * gimplify.c: Include optabs.h and pointer-set.h.
15184 (enum gimplify_omp_var_data): Declare.
15185 (struct gimplify_omp_ctx): Declare.
15186 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15188 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15189 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15190 (splay_tree_compare_decl_uid): New.
15191 (new_omp_context): New.
15192 (delete_omp_context): New.
15193 (gimple_add_tmp_var): Call omp_add_variable.
15194 (gimplify_bind_expr): Likewise.
15195 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15196 true, disregard DECL_VALUE_EXPR on the decl if any.
15197 (gimplify_expr_in_ctx): New.
15198 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15199 omp_add_variable, omp_notice_variable, omp_is_private
15200 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15201 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15202 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15203 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15204 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15205 gimplify_omp_atomic): New.
15206 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15207 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15208 OMP_CRITICAL and OMP_ATOMIC.
15209 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15210 * c-pragma.h (enum pragma_kind): Add
15211 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15212 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15213 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15214 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15215 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15216 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15217 PRAGMA_OMP_THREADPRIVATE.
15218 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15219 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15220 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15221 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15222 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15223 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15224 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15225 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15226 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15227 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15228 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15229 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15230 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15232 (struct nesting_info): Add field_map,
15233 suppress_expansion, debug_var_chain.
15234 (create_nesting_tree): Initialize them.
15235 (lookup_field_for_decl): Use field_map.
15236 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15237 (convert_local_omp_clauses): New.
15238 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15239 (walk_body): Split out of walk_function.
15240 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15241 (convert_nonlocal_reference): Handle omp statements.
15242 (convert_local_reference): Likewise.
15243 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15244 (unnest_nesting_tree): New.
15245 (lower_nested_functions): Call it.
15246 (insert_field_into_struct): Make extern.
15247 (struct walk_stmt_info): Move to tree-gimple.h.
15248 (walk_stmts): Make extern.
15249 * omp-builtins.def: New file.
15250 * tree-iterator.c (expr_only): Clarify comment.
15251 * c-common.h (pushdecl_top_level, pushdecl,
15252 build_modify_expr, build_indirect_ref,
15253 c_finish_omp_master, c_finish_omp_critical,
15254 c_finish_omp_ordered, c_finish_omp_barrier,
15255 c_finish_omp_atomic, c_finish_omp_flush,
15256 c_finish_omp_for, c_split_parallel_clauses,
15257 omp_clause_default_kind, c_omp_sharing_predetermined,
15258 c_omp_remap_decl): Declare.
15259 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15260 (OBJS-common): Add omp-low.o.
15261 (c-omp.o, omp-low.o): Add.
15262 (gimplify.o): Add dependency on $(OPTABS_H).
15263 (GTFILES): Add omp-low.c.
15264 (gt-stringpool.h): Add.
15265 * tree-cfg.c (set_bb_for_stmt): Do not update the
15266 block-to-labels map if we are currently expanding to RTL.
15267 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15269 Handle IDENTIFIER_NODE.
15270 (tree_verify_flow_info): Do not ICE when emitting error
15271 messages about invalid labels.
15272 (dump_function_to_file): Reset CFUN before emitting the body
15274 (debug_function): New.
15275 * passes.c (init_optimization_passes): Schedule
15277 * langhooks-def.h (lhd_omp_predetermined_sharing,
15278 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15280 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15281 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15282 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15283 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15284 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15285 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15286 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15287 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15288 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15289 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15290 (LANG_HOOK_DECLS): Use them.
15292 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15293 Richard Henderson <rth@redhat.com>
15294 Jakub Jelinek <jakub@redhat.com>
15295 Diego Novillo <dnovillo@redhat.com>
15297 * c-parser.c (pragma_omp_clause): Define.
15298 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15299 (c_parser_compound_statement): Likewise.
15300 (c_parser_statement): Likewise.
15301 (c_parser_pragma): Handle omp pragmas.
15302 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15303 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15304 (c_parser_omp_clause_name, check_no_duplicate_clause,
15305 c_parser_omp_variable_list,
15306 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15307 c_parser_omp_clause_copyprivate,
15308 c_parser_omp_clause_default,
15309 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15310 c_parser_omp_clause_lastprivate,
15311 c_parser_omp_clause_nowait,
15312 c_parser_omp_clause_num_threads,
15313 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15314 c_parser_omp_clause_reduction,
15315 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15316 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15317 c_parser_omp_atomic, c_parser_omp_barrier,
15318 c_parser_omp_critical, c_parser_omp_flush,
15319 c_parser_omp_for_loop, c_parser_omp_for,
15320 c_parser_omp_master, c_parser_omp_ordered,
15321 c_parser_omp_sections_scope, c_parser_omp_sections,
15322 c_parser_omp_parallel, c_parser_omp_single,
15323 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15324 * c-pragma.c (init_pragma): Do omp pragma registration here.
15325 * c.opt (fopenmp): New flag.
15327 2006-01-18 Eric Christopher <echristo@apple.com>
15329 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15330 * config/darwin.h (GOMP_SELF_SPECS): Define.
15332 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15334 * rtl.h: Remove the prototype for reg_alloc.
15336 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15339 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15340 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15341 sjlj and dwarf2 exception handling.
15342 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15343 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15344 * pa/pa.c (function_value): Treat complex and vector types as
15346 (function_arg): Likewise. Only pass scalar floats in the floating
15347 point argument registers.
15348 * pa/t-slibgcc-dwarf-ver: New file.
15349 * pa/t-slibgcc-sjlj-ver: New file.
15350 * pa/t-slibgcc-elf-ver: Delete file.
15352 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15354 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15355 unlikely_test_section_p test.
15357 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15359 * mode-switching.c (optimize_mode_switching): Make it static.
15360 * basic-block.h: Remove the prototype for
15361 optimize_mode_switching.
15363 * modulo-sched.c (sms_schedule): Make it static.
15364 * rtl.h: Remove the prototype for sms_schedule.
15366 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15367 * rtl.h: Remove the prototype for gcse_after_reload_main.
15369 * reg-stack.c (reg_to_stack): Make it static.
15370 * rtl.h: Remove the prototype for reg_to_stack.
15372 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15374 * rtl.h: Remove the prototypes for regrename_optimize and
15375 copyprop_hardreg_forward.
15377 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15379 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15380 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15381 Test against the appropriate null constant for the mode.
15382 If 'fixup_overlap' is true, swap the operands if they overlap.
15383 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15384 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15385 alpha_split_tmode_pair and adjust for above change.
15386 * config/alpha/alpha.md (movtf_internal): Adjust call to
15387 alpha_split_tfmode_pair and rely on it to swap the operands.
15388 (movti_internal): New insn and post-reload splitter.
15389 (movti): New expander.
15391 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15393 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15396 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15398 * rtlanal.c (global_reg_mentioned_p_1,
15399 global_reg_mentioned_p): Remove.
15400 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15402 * flow.c (initialize_uninitialized_subregs): Make it static.
15403 * rtl.h: Remove the prototype for
15404 initialize_uninitialized_subregs.
15406 * function.c (instantiate_virtual_regs): Make it static.
15407 * function.h: Remove the prototype for
15408 instantiate_virtual_regs.
15410 * regmove.c (regmove_optimize, combine_stack_adjustments):
15412 * rtl.h: Remove the prototypes for regmove_optimize and
15413 combine_stack_adjustments.
15415 2006-01-17 Roger Sayle <roger@eyesopen.com>
15417 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15418 (size_cost): Encode costs in bytes so that a reg-reg addition is
15419 equivalent to COSTS_N_INSNS(1).
15420 (override_options): Use the size_cost.branch_cost as the default
15421 ix86_branch_cost when optimizing for size.
15423 2006-01-18 Ben Elliston <bje@au.ibm.com>
15425 * Makefile.in (D32PBIT_FUNCS): New.
15426 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15427 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15428 D64PBIT_FUNCS and D128PBIT_FUNCS.
15429 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15430 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15432 (decnumber_dep): Define.
15433 * doc/libgcc.texi (Decimal float library routines): New node.
15434 * config/dfp-bit.h, config/dfp-bit.c: New files.
15436 2006-01-18 Ben Elliston <bje@au.ibm.com>
15438 * expr.c (emit_move_change_mode): Always adjust addresses, not
15439 just during reload. Copy replacements only during reload.
15440 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15441 emit_move_via_integer.
15443 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15445 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15446 instead of $(srcdir) and ${srcdir}.
15448 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15451 PR middle-end/11135
15452 * arm.h (struct machine_function): Add pic_reg.
15453 * arm.c (arm_pic_register): Make unsigned.
15454 (arm_override_options): Only set arm_pic_register if
15455 TARGET_SINGLE_PIC_BASE.
15456 (use_return_insn): Only test for a pic register if it is fixed.
15457 (arm_compute_save_reg0_reg12_mask): Likewise.
15458 (thumb_compute_save_reg_mask): Likewise.
15459 (legitimate_pic_operand): Factor out some known invariants.
15460 (legitimize_pic_address): If we don't have a fixed pic register,
15461 then set up a pseudo in the function entry sequence. Handle the
15462 pic base being in a pseudo.
15463 (arm_load_pic_register): Handle the pic register being in a pseudo.
15464 (arm_expand_prologue): Only set up the pic register if it is fixed.
15465 (thumb_expand_prologue): Likewise.
15466 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15467 (pic_load_addr_based_insn): Likewise.
15468 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15471 2006-01-18 Ben Elliston <bje@au.ibm.com>
15473 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15474 decimal float modes for all floating point registers.
15476 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15477 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15479 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15482 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15483 even when the pointer is not NULL.
15485 2006-01-16 Ian Lance Taylor <ian@airs.com>
15487 * common.opt (ftoplevel-reorder): New option.
15488 * cgraph.c (cgraph_asm_nodes): New global variable.
15489 (cgraph_asm_last_node): New static variable.
15490 (cgraph_order): New global variable.
15491 (cgraph_create_node): Set new order field.
15492 (cgraph_varpool_node): Likewise.
15493 (decide_is_variable_needed): Return true if not
15494 flag_toplevel_reorder.
15495 (cgraph_add_asm_node): New function.
15496 * cgraph.h (struct cgraph_node): Add order field.
15497 (struct cgraph_varpool_node): Add order field.
15498 (struct cgraph_asm_node): Define.
15499 (cgraph_asm_nodes, cgraph_order): Declare.
15500 (cgraph_add_asm_node): Declare.
15501 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15503 (cgraph_varpool_assemble_pending_decls): Call it.
15504 (cgraph_output_pending_asms): New static function.
15505 (cgraph_finalize_compilation_unit): Call it.
15506 (struct cgraph_order_sort): Define.
15507 (cgraph_output_in_order): New static function.
15508 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15509 !flag_toplevel_reorder case.
15510 * c-parser.c: Include "cgraph.h".
15511 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15513 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15514 than -fno-unit-at-a-time.
15515 * doc/invoke.texi (Option Summary): Mention
15516 -fno-toplevel-reorder.
15517 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15518 -funit-at-a-time documentation.
15520 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15521 Kazu Hirata <kazu@codesourcery.com>
15523 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15525 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15527 * Makefile.in (FUNCTION_H): New. Use it instead of
15528 function.h throughout the file.
15529 * function.h: Include tree.h.
15531 2006-01-17 Ben Elliston <bje@au.ibm.com>
15533 * recog.c: Separate some functions with whitespace.
15535 2006-01-16 Richard Henderson <rth@redhat.com>
15537 Merge from gomp branch:
15538 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15539 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15540 and rename from struct inline_data. Rename callee* to dst*;
15541 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15542 transform_new_cfg, transform_return_to_modify, and
15543 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15545 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15546 (copy_decl_for_dup): Remove.
15547 * tree-inline.c (struct inline_data): Move to header.
15548 (insert_decl_map): Export.
15549 (remap_decl): Update for member name changes. Use copy_decl hook.
15550 Allow for replacement to be a non-decl. Remove dead code.
15551 (remap_type_1): Check for existing mapping.
15552 (remap_type): Export.
15553 (remap_decls): Update for member name changes.
15554 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15555 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15556 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15557 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15558 (tree_function_versioning, build_duplicate_type): Likewise.
15559 (copy_body_r): Likewise. Export.
15560 (copy_decl_for_dup): Split into ...
15561 (copy_decl_for_dup_finish, copy_decl_to_var,
15562 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15563 (replace_ref_tree, inlining_p): Remove.
15565 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15567 * ifcvt.c (if_convert): Make it static.
15568 * rtl.h: Remove the prototype for if_convert.
15570 * local-alloc.c (local_alloc): Make it static.
15571 * rtl.h: Remove the prototype for local_alloc.
15573 * loop.c (loop_optimize): Make it static.
15574 * cfgloop.h: Remove the prototype for loop_optimize.
15577 2006-01-16 DJ Delorie <dj@redhat.com>
15579 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15582 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15584 * pa.md: Disparage copies between general and floating-point registers
15585 in 32-bit move patterns.
15587 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15590 * Makefile.in (check-%): Depend on site.exp instead of
15591 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15594 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15596 * global.c (global_alloc): Make it static.
15597 * rtl.h: Remove the prototype for global_alloc.
15599 2006-01-16 Richard Guenther <rguenther@suse.de>
15601 * tree-ssa-alias.c (struct used_part): Add write_only field.
15602 (get_or_create_used_part_for): Initialize it to true.
15603 (create_overlap_variables_for): Don't create structure variables
15604 for structures that only are written to.
15605 (find_used_portions): Handle MODIFY_EXPR to track whether a
15606 structure is only written to.
15608 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15610 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15612 * basic-block.h: Remove the prototype for
15613 partition_hot_cold_basic_blocks.
15615 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15617 * cppspec.c (lang_specific_spec_functions): Remove.
15618 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15619 * gcc.h (lang_specific_spec_functions): Remove.
15620 * gccspec.c (lang_specific_spec_functions): Remove.
15622 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15624 * combine.c (record_value_for_reg): Invalidate registers
15626 (record_dead_and_set_regs_1): Likewise, by passing them to
15627 record_value_for_reg.
15628 (record_dead_and_set_regs): Invalidate stores made by a
15629 call. We do not combine across a call, but we still
15630 relied on equivalences.
15632 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15634 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15635 vrp_int_const_binop returning non-constant nodes.
15637 2006-01-16 Paul Brook <paul@codesourcery.com>
15639 * config/m68k/m68k.c (output_move_const_into_data_reg):
15640 Output correct mnemonic for mvz and mvs.
15642 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15644 * rtl-factoring.c: Add sequence abstraction algorithm.
15645 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15646 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15648 (block_has_preserve_label): New function.
15649 * common.opt: Register new pass.
15650 * Makefile.in: Ditto.
15652 * timevar.def: Ditto.
15653 * tree-pass.h: Ditto.
15654 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15655 * rtl.h (make_jump_insn_raw): Add forward decl.
15656 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15658 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15659 Roger Sayle <roger@eyesopen.com>
15661 * fold-const.c (fold_minmax): New static function.
15662 (fold_binary) <MIN_EXPR>: Call it.
15663 <MAX_EXPR>: Likewise.
15664 * stor-layout.c (place_field): Use DECL_SIZE consistently
15665 in the computation of the new record size.
15667 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15669 * cse.c (cse_condition_code_reg): Make it static.
15670 * rtl.h: Remove the prototype for cse_condition_code_reg.
15672 * combine.c (combine_instructions): Make it static.
15673 * rtl.h: Remove the prototype for combine_instructions.
15675 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15678 * tree.c (get_file_function_name_long): Concatenate the first global
15679 object name with a string derived from the input filename of the object
15682 2006-01-16 Ben Elliston <bje@au.ibm.com>
15684 * config/i386/winnt-stubs.c: Update FSF address.
15685 * config/xtensa/ieee754-df.S: Ditto.
15686 * config/xtensa/ieee754-sf.S: Ditto.
15688 2006-01-14 Ian Lance Taylor <ian@airs.com>
15690 * ifcvt.c (noce_init_if_info): New static function, broken out of
15691 noce_process_if_block.
15692 (noce_process_if_block): Call noce_init_if_info.
15693 (check_cond_move_block): New static function.
15694 (cond_move_process_if_block): New static function.
15695 (process_if_block): Call cond_move_process_if_block.
15697 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15699 * cselib.c (hash_table): Rename to cselib_hash_table.
15700 (cselib_clear_table, discard_useless_values,
15701 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15702 cselib_init, cselib_finish): Adjust uses of hash_table.
15704 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15706 PR tree-optimization/25485
15707 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15708 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15709 is known to be false and true, respectively.
15711 2006-01-14 Richard Guenther <rguenther@suse.de>
15713 PR tree-optimization/22548
15714 PR tree-optimization/22555
15715 PR tree-optimization/22501
15716 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15717 * params.def (salias-max-array-elements): New parameter.
15718 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15719 * doc/invoke.texi (salias-max-array-elements): Document.
15720 * tree-flow-inline.h (var_can_have_subvars): We also handle
15722 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15724 * tree-ssa-structalias.c (params.h): Include.
15725 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15726 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15727 (get_constraint_for): For ADDR_EXPR operating on something
15728 containing an ARRAY_REF, add all subvars to the solution.
15729 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15730 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15731 for creating MUST_DEFs.
15732 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15734 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15736 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15738 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15739 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15740 number_of_iterations_le): New functions.
15741 (number_of_iterations_special): Removed.
15742 (number_of_iterations_exit): Do not use number_of_iterations_special.
15743 * tree.c (unsigned_type_for): Always return integer type.
15745 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15746 Richard Guenther <rguenther@suse.de>
15748 PR rtl-optimization/24257
15749 * gcse.c (find_moveable_store): Only consider a store movable
15750 when the SET_SRC of the insn can be assigned to a register.
15752 2006-01-14 Ian Lance Taylor <ian@airs.com>
15754 * tree.c (tree_not_class_check_failed): New function.
15755 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15756 (tree_not_class_check_failed): Declare.
15758 2006-01-13 Ian Lance Taylor <ian@airs.com>
15760 * reload1.c (do_output_reload): Add assertion rejecting a
15763 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15765 * combine.c (struct reg_stat): Add new fields truncation_label and
15767 (record_value_for_reg): Reset truncated_to_mode.
15768 (record_truncated_value): New function.
15769 (check_promoted_subreg): Call it. Rename to check_conversions.
15770 (combine_instructions): Rename check_promoted_subreg to
15772 (reg_truncated_to_mode): New function.
15773 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15774 (gen_lowpart_or_truncate): New function.
15775 (force_to_mode): Use it instead of gen_lowpart.
15777 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15779 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15780 VAR is a tag, not its type tag.
15782 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15784 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15785 alternatives to match style of other entries.
15786 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15788 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15790 PR tree-optimization/25771
15791 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15794 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15797 * tree-inline.c (declare_return_variable): If the return variable
15798 was marked as a non gimple complex, set the return slot variable
15799 to be a non gimple comple variable.
15801 2006-01-13 Richard Guenther <rguenther@suse.de>
15803 * builtins.c (expand_builtin_sincos): New function.
15804 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15806 (expand_builtin): Expand sincos using expand_builtin_sincos.
15808 2006-01-12 DJ Delorie <dj@redhat.com>
15810 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15811 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15812 so that constant shifts can be split.
15813 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15814 (m32c_valid_pointer_mode): Make static.
15815 (shift_gen_func_for): New.
15816 (m32c_prepare_shift): Use it. Split large const shifts into
15818 * config/m32c/predicates.md (shiftcount_operand): Allow more
15820 (longshiftcount_operand): New.
15821 * doc/md.texi (Machine Constraints): Document In6.
15823 2006-01-13 Ben Elliston <bje@au.ibm.com>
15825 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15826 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15829 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15831 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15832 to try to avoid clobbering pieces of structures when we know
15833 something about the whole structure.
15834 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15836 2006-01-13 Ben Elliston <bje@au.ibm.com>
15838 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15839 return in memory, as this is no limitation is no longer present.
15841 2006-01-12 DJ Delorie <dj@redhat.com>
15843 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15844 mova with fb, and for fb+0 -> An.
15846 * config/m32c/mov.md (peephole2): Fix enabling logic.
15848 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15849 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15850 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15851 FINI_ARRAY_SECTION_ASM_OP): Define.
15853 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15855 (m32c_legitimize_reload_address): New logic to reload FB to An.
15856 (m32c_output_reg_push): Add newline.
15857 (m32c_output_reg_pop): Likewise.
15859 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15861 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15863 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15865 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15867 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15869 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15872 2006-01-11 Ben Elliston <bje@au.ibm.com>
15874 * rtlanal.c (find_reg_note): Assert insn is not null.
15876 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15878 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15881 2006-01-11 Jeff Law <law@redhat.com>
15883 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15885 (mark_threaded_blocks, register_jump_thread): New functions.
15886 (thread_through_all_blocks): Remove unwanted argument. No
15887 longer rely on e->aux to communicate thread target info.
15888 Call mark_threaded_blocks. Release the threaded_blocks
15889 bitmap and threaded_edges vector when complete.
15890 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15891 (threaded_blocks): Remove.
15892 (tree_ssa_dominator_optimize): Remove initialization and
15893 finalization of threaded_blocks. Simplify call to
15894 thread_through_all_blocks.
15895 (thread_across_edge): Call register_jump_thread rather than
15896 storing thread information into e->aux.
15897 (free_all_edge_infos): Simplify now that e->aux is no longer
15898 used to communicate with thread_through_all_blocks.
15899 * tree-flow.h (thread_through_all_blocks): Update prototype.
15900 (register_jump_thread): Prototype.
15902 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15904 * df-core.c (df_compact_blocks, df_bb_replace): Use
15905 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15907 2006-01-11 Richard Guenther <rguenther@suse.de>
15909 PR tree-optimization/25734
15910 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15911 stop propagation after successful propagation to the LHS.
15913 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15915 * basic-block.h (control_flow_graph): Change the type of
15916 x_basic_block_info to VEC(basic_block,gc) *.
15917 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15919 (SET_BASIC_BLOCK): New.
15920 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15921 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15922 * cfgbuild.c (find_basic_blocks): Likewise.
15923 * cfglayout.c (fixup_reorder_chain): Likewise.
15924 * cfgrtl.c (create_basic_block_structure,
15925 rtl_create_basic_block): Likewise.
15926 * ifcvt.c (find_if_case_1): Likewise.
15927 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15930 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15932 * Makefile.in: Removed rotted odf.c entry.
15934 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15937 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15938 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15939 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15940 output pattern modifier, not %e.
15941 * config/cris/cris.c (cris_op_str): Update comment about pattern
15943 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15944 before falling through into...
15945 <case 'E'>: Redefined from old 'e' case.
15947 2006-01-11 Jan Hubicka <jh@suse.cz>
15950 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15952 2006-01-11 Jan Hubicka <jh@suse.cz>
15954 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15955 * i386.c (x86_decompose_lea): Kill.
15956 (ix86_rtx_costs): Kill.
15958 2006-01-11 Jan Hubicka <jh@suse.cz>
15960 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15961 * cgraph.h (cgraph_node): Add inline_decl.
15962 (cgraph_insert_node_to_hashtable): Declare.
15963 (save_inline_function_body): Declare.
15964 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15966 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15967 (cgraph_function_versioning): Update call of tree_function_versioning.
15968 (save_inline_function_body): New function.
15969 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15970 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15971 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15972 (cgraph_default_inline_p): Likewise.
15973 (cgraph_decide_inlining_incrementally): Likewise.
15974 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15975 (copy_bb): Kill saving; do updating of clones.
15976 (copy_cfg_body): Kill saving.
15977 (initialize_inlined-parameters): Likewise.
15978 (expand_call_inline): Likewise.
15980 (tree_function_versioning): New parameter "update_clones".
15981 (inlining_p): Kill saving.
15982 * tree-inline.h (tree_function_versioning): Update prototype.
15983 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15986 2006-01-11 Ian Lance Taylor <ian@airs.com>
15988 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15989 Allow undoing set of machine mode.
15990 (do_SUBST): Use enums instead of is_int.
15991 (do_SUBST_MODE): New function.
15992 (SUBST_MODE): New macro.
15993 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15994 reg and trying to replace reg_regno_rtx with a new register.
15995 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15996 (simplify_set): Use SUBST_MODE.
15997 (distribute_notes): Remove code that tried to update reg notes
15998 for regno_reg_rtx changes.
16000 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16002 PR tree-optimization/23109
16003 PR tree-optimization/23948
16004 PR tree-optimization/24123
16006 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16007 * tree-cfg.c (single_noncomplex_succ): New.
16008 * tree-flow.h (single_noncomplex_succ): Declare it.
16009 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16010 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16011 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16012 insert_bb, register_division_in, insert_reciprocals,
16013 replace_reciprocal, free_bb): New.
16014 (execute_cse_reciprocals_1): Rewritten.
16015 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16016 Do not commit any edge insertion. Always compute dominators and
16017 create the allocation pool.
16018 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16019 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16020 * targhooks.c (default_min_divistions_for_recip_mul): New.
16021 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16022 * passes.c (init_optimization_passes): Run recip after tree loop
16024 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16026 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16027 Kenneth Zadeck <zadeck@naturalbridge.com>
16029 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16030 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16031 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16032 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16033 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16034 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16035 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16036 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16037 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16038 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16039 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16040 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16041 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16042 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16043 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16044 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16045 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16046 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16047 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16048 DF_SCAN_POST_ALLOC): New macros.
16049 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16050 df_free_bb_function, df_local_compute_function, df_init_function,
16051 df_dataflow_function, df_confluence_function_0,
16052 df_confluence_function_n, df_transfer_function,
16053 df_finalizer_function, df_free_function, df_dump_problem_function,
16054 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16055 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16056 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16057 df_urec_bb_info, ) New types.
16058 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16060 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16061 df_analyze_simple_change_some_blocks,
16062 df_analyze_simple_change_one_block, df_compact_blocks,
16063 df_bb_replace, df_bb_regno_last_use_find,
16064 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16065 df_insn_regno_def_p, df_find_def, df_find_use,
16066 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16067 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16068 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16069 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16070 debug_df_chain, df_get_dependent_problem, df_chain_create,
16071 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16072 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16073 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16074 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16075 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16076 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16077 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16078 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16079 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16080 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16081 df_reorganize_refs, df_set_state, df_hard_reg_init,
16082 df_read_modify_subreg_p) New public functions.
16083 * df-core.c: The core dataflow solver and glue routines for rtl
16085 (df_init, df_add_problem, df_set_blocks, df_finish,
16086 df_hybrid_search_forward, df_hybrid_search_backward,
16087 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16088 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16089 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16090 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16091 df_reg_defined, df_find_use, df_reg_used, df_dump,
16092 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16093 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16094 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16095 debug_df_useno, reset_df_after_reload): New functions.
16096 * df-scan.c: The scanning fuctions, once in df.c, completely
16097 rewritten so that they now fully model the functionality of
16098 register usage at the backend.
16099 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16100 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16101 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16102 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16103 df_get_artificial_defs, df_get_artificial_uses,
16104 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16105 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16106 df_refs_delete, df_reorganize_refs, df_set_state,
16107 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16108 df_def_record_1, df_defs_record, df_uses_record,
16109 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16110 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16111 df_record_exit_block_uses, df_hard_reg_init): New functions.
16113 * df-problems.c: Seven concrete dataflow problems that use the
16114 scanning in df-scan.c and are solved by the engine in df-core.c.
16115 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16116 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16117 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16118 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16119 df_ru_free_bb_info, df_ru_alloc,
16120 df_ru_bb_local_compute_process_def,
16121 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16122 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16123 df_ru_transfer_function, df_ru_free, df_ru_dump,
16124 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16125 df_rd_free_bb_info, df_rd_alloc,
16126 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16127 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16128 df_rd_transfer_function, df_rd_free, df_rd_dump,
16129 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16130 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16131 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16132 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16133 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16134 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16135 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16136 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16137 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16138 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16139 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16140 df_urec_mark_reg_use_for_earlyclobber,
16141 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16142 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16143 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16144 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16145 df_chain_create_bb_process_use, df_chain_create_bb,
16146 df_chain_finalize, df_chain_free, df_chains_dump,
16147 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16148 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16149 df_reg_lifetime): New functions.
16150 * df.c: Deleted file.
16151 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16152 consistent with new df api.
16153 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16154 rest_of_handle_sms): Ditto.
16155 * web.c (unionfind_union, union_defs, entry_register, web_main):
16157 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16158 invariant_expr_equal_p, find_defs, check_dependencies,
16159 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16160 free_inv_motion_data, move_loop_invariants): Ditto.
16161 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16162 Update dependencies.
16163 (odf.c): Added defective entry that was deleted later in day.
16164 * sched-deps.c (sched_analyze_1): Ditto.
16166 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16168 * tree-ssa-operands.c (get_expr_operands): Record addressable
16169 variables directly. Do not call add_stmt_operands for CONST_DECLs
16171 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16172 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16174 2006-01-11 Ben Elliston <bje@au.ibm.com>
16176 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16177 function returns true in the positive case.
16179 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16182 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16183 for SI, DI, SF and DF modes. Add alternatives to copy between
16184 general and floating point registers to the 32-bit patterns.
16185 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16186 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16187 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16188 generating 64-bit code.
16189 * config/pa/pa.c (output_move_double): Handle copies between general
16190 and floating registers.
16192 2006-01-10 Stuart Hastings <stuart@apple.com>
16194 * config/i386/i386.md (set_got): Update.
16195 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16196 (builtin_setjmp_receiver): Mach-O support.
16197 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16198 (GOT_SYMBOL_NAME): Define.
16199 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16200 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16201 * config/i386/i386.c (override_options): Revise for Darwin.
16202 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16203 support. (darwin_x86_file_end): New. (output_set_got): Add label
16204 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16205 * config/i386/i386-protos.h (output_set_got): Likewise.
16206 * config/darwin.c (machopic_legitimize_pic_address): Update
16209 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16211 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16212 when MODE isn't BLKmode.
16214 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16216 PR rtl-optimization/25367
16217 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16219 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16222 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16223 for a negative bound.
16225 2006-01-10 Richard Guenther <rguenther@suse.de>
16227 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16228 Never override with anything constraint.
16230 2006-01-10 Jan Beulich <jbeulich@novell.com>
16232 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16233 256 bits when optimize_size.
16235 2006-01-10 Jan Beulich <jbeulich@novell.com>
16237 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16239 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16240 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16243 2006-01-10 Ben Elliston <bje@au.ibm.com>
16245 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16247 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16248 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16249 (USE_FP_FOR_ARG): Reject decimal float modes.
16250 (function_arg_advance): Likewise.
16251 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16252 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16253 point types in AltiVec vectors.
16254 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16255 (rs6000_libcall_value): Likewise.
16257 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16259 * config/xtensa/ieee754-df.S: New file.
16260 * config/xtensa/ieee754-sf.S: New file.
16261 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16262 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16263 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16265 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16267 * config/sh/predicates.md (binary_float_operator,
16268 binary_logical_operator, commutative_float_operator,
16269 equality_comparison_operator, greater_comparison_operator,
16270 less_comparison_operator, logical_operator,
16271 noncommutative_float_operator, shift_operator,
16272 symbol_ref_operand, unary_float_operator): Remove redundant
16275 2006-01-09 Jeff Law <law@redhat.com>
16277 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16278 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16279 now unused arguments. Callers updated.
16280 (eliminate_redundant_computations): Remove now unused arguments,
16282 (local_fold): Remove, no longer used.
16283 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16285 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16286 (simplify_cond): New function.
16287 (forward_propagate_into_cond): Call simplify_cond.
16289 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16291 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16292 (*vec_extractv2di_1_sse): New.
16294 2006-01-09 Ben Elliston <bje@au.ibm.com>
16296 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16298 2006-01-08 Richard Guenther <rguenther@suse.de>
16300 * tree-ssa-structalias.c (get_constraint_for): Remove
16301 anyoffset argument.
16302 (get_constraint_for_component_ref): Likewise.
16303 (do_deref): Likewise.
16304 (get_constraint_for): Likewise.
16305 (do_structure_copy): Likewise.
16306 (handle_ptr_arith): Likewise.
16307 (find_func_aliases): Likewise. Remove unused need_anyoffset
16310 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16311 Kaz Kojima <kkojima@gcc.gnu.org>
16313 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16314 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16315 (EXTRA_CONSTRAINT_C16): Remove.
16316 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16317 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16318 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16319 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16320 constants of SHmedia. Handle nested constant expressions of
16322 (andcosts): Fix the costs for SHmedia constants.
16323 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16324 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16325 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16326 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16327 (movv4hi_i, movv2si_i): Likewise.
16328 (movsi_const): Adjust the second operand of ior so to match with
16329 the Csu constraint.
16330 (movdi_const, movdi_const_32bit): Likewise.
16331 (movdi_const_16bit+1): Don't sign-extend LOW.
16332 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16334 (*double_shori): Fix the split condition. Use GEN_INT instead
16335 of get_int_mode calls. Mask lower 16-bit of the argument of
16337 (sym2GOTPLT): Remove.
16338 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16340 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16341 instead of EXTRA_CONSTRAINT_C16.
16343 2006-01-07 Ian Lance Taylor <ian@airs.com>
16344 David Edelsohn <edelsohn@gnu.org>
16346 PR rtl-optimization/25662
16347 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16348 for constant operands instead of simplify_gen_binary.
16349 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16350 after trying simplify_binary_operation
16352 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16354 * tree.c (iterative_hash_expr): Hash decls based on UID.
16356 2006-01-06 Eric Christopher <echristo@apple.com>
16358 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16359 (TARGET_UNWIND_EMIT): Fix spelling.
16360 * target.h (gcc_target): Add except_table_label.
16361 * except.c (output_function_exception_table): Use.
16362 * varasm.c (default_emit_except_table_label): New.
16363 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16365 (asm_out): Add here.
16366 * output.h (default_emit_except_table_label): Prototype.
16367 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16368 * config/darwin.c (darwin_emit_except_table_label): Define.
16369 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16371 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16373 PR tree-optimization/18527
16374 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16375 number_of_iterations_special, number_of_iterations_exit):
16376 Move base and step of an iv to a single structure. Add
16377 no_overflow flag, and use it in # of iterations analysis.
16378 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16379 folded_casts argument.
16380 (simple_iv): Pass base and step in a structure. Set no_overflow
16382 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16383 Evaluate expensiveness of computing # of iterations instead of
16384 the final expression.
16385 * tree-scalar-evolution.h (affine_iv): New structure.
16386 (simple_iv): Declaration changed.
16387 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16388 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16389 find_givs_in_stmt): Changed due to simple_iv change.
16391 2006-01-06 Jeff Law <law@redhat.com>
16394 * tree-cfg.c (bsi_replace): Rename final argument from
16395 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16396 change (stmt -> orig_stmt).
16397 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16398 (bsi_remove): Add new argument. Remove EH information
16400 (verify_eh_throw_table_statements): New function.
16401 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16403 * tree-optimize.c (execute_free_cfg_annotations): Verify
16404 the EH throw statement table after removing annotations.
16405 * except.h (verify_eh_throw_table_statements): Prototype.
16406 * tree-flow.h (bsi_remove): Update prototype.
16407 * tree-vrp.c (remove_range_assertions): Add new argument to
16409 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16410 * tree-complex.c (expand_complex_div_wide): Likewise.
16411 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16412 * tree-tailcall.c (eliminate_tailcall): Likewise.
16413 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16414 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16415 * tree-nrv.c (tree_nrv): Likewise.
16416 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16417 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16418 (combine_blocks): Likewise.
16419 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16420 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16421 (cleanup_control_flow): Likewise.
16422 (remove_forwarder_block): Likewise.
16423 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16424 * tree-sra.c (sra_replace): Likewise.
16425 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16426 (forward_propagate_single_use_vars): Likewise.
16427 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16428 * tree-inline.c (expand_call_inline): Likewise.
16429 * tree-vect-transform.c (vect_transform_loop): Likewise.
16430 * tree-outof-ssa.c (rewrite_trees): Likewise.
16431 * tree-cfg.c (make_goto_expr_edges): Likewise.
16432 (cleanup_dead_labels): Likewise.
16433 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16434 (bsi_move_before, bsi_move_after): Likewise.
16435 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16436 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16438 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16441 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16443 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16444 on non gimple variables. Also add checks at the top for decls and
16446 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16448 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16449 and IMAGPART_EXPR for creating MUST_DEFs.
16450 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16451 and NAME_MEMORY_TAG separately from the DECLs.
16453 2006-01-06 Richard Guenther <rguenther@suse.de>
16455 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16456 annotation, if necessary.
16457 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16458 redundant calls to update_stmt.
16459 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16462 2006-01-05 Richard Henderson <rth@redhat.com>
16464 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16466 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16468 * c-typeck.c: Update copyright date.
16470 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16472 * c-typeck.c (build_c_cast): Always warn when casting
16473 from a pointer to an integer of different size, even if
16474 the node was constant.
16476 2006-01-05 Richard Guenther <rguenther@suse.de>
16478 PR tree-optimization/22555
16479 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16480 if one structure field is an array.
16481 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16482 operands even if we found a subvar, but ignore VOPs in this
16484 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16486 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16488 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16490 PR middle-end/24998
16491 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16493 2006-01-05 Richard Guenther <rguenther@suse.de>
16494 Diego Novillo <dnovillo@redhat.com>
16496 * tree-pass.h (TODO_remove_unused_locals): Define.
16497 * gimple-low.c (expand_var_p, remove_useless_vars,
16498 pass_remove_useless_vars): Remove. Update all users.
16499 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16500 (remove_unused_locals): New function.
16501 * tree-flow.h (remove_unused_locals): Declare.
16502 * passes.c (execute_todo): Call remove_unused_locals if
16503 TODO_remove_unused_locals is set.
16504 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16505 * tree-ssa-dce.c (pass_dce): Likewise.
16506 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16508 2006-01-05 Richard Guenther <rguenther@suse.de>
16510 * tree-flow.h (struct fieldoff): Decompose field to
16511 type, size and decl.
16512 * tree-ssa-alias.c (create_sft): Take type as parameter.
16513 (create_overlap_variables_for): Store type, size and decl
16514 in the fieldoff structure.
16515 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16516 of struct fieldoff.
16517 (push_fields_onto_fieldstack): Likewise.
16518 (create_variable_info_for): Likewise. Use offset for the
16519 SFT name if the decl is not available.
16521 2006-01-04 Paul Brook <paul@codesourcery.com>
16523 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16525 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16527 * lambda-code.c (can_put_in_inner_loop): Relax
16529 (can_put_after_inner_loop): New function.
16530 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16531 (perfect_nestify): Change to make copies and modify uses.
16533 2006-01-04 Richard Henderson <rth@redhat.com>
16535 Merge from gomp branch:
16536 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16537 via integer constant.
16538 (pragma_lex): Remove.
16539 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16540 rather than parsing it.
16541 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16542 handle_pragma_extern_prefix): Add %< %> quotes.
16543 (registered_pragmas): New.
16544 (c_register_pragma_1): New.
16545 (c_register_pragma): Use it.
16546 (c_register_pragma_with_expansion): Likewise.
16547 (c_invoke_pragma_handler): New.
16548 (init_pragma): Use cpp_register_deferred_pragma directly for
16550 * c-pragma.h (enum pragma_kind): New.
16551 (pragma_handler): New.
16552 (c_invoke_pragma_handler): Declare.
16553 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16555 * c-common.h (c_common_pch_pragma): Update decl.
16556 * Makefile.in (c-parser.o): Update dependencies.
16557 (GTFILES): Add c-pragma.h.
16558 * c-parser.c (struct c_token): Add pragma_kind.
16559 (struct c_parser): Add in_pragma.
16560 (c_lex_one_token): Always initialize keyword and pragma_kind.
16561 Extract data for CPP_PRAGMA.
16562 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16563 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16564 Don't allow CPP_PRAGMA_EOL if in_pragma.
16565 (c_parser_consume_pragma): New.
16566 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16567 (c_parser_skip_to_end_of_parameter): Likewise.
16568 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16569 (c_parser_skip_to_pragma_eol): New.
16570 (c_parser_external_declaration): Handle CPP_PRAGMA.
16571 (c_parser_compound_statement_nostart): Likewise.
16572 (c_parser_statement_after_labels): Likewise.
16573 (c_parser_pragma): New.
16574 (pragma_lex): Likewise.
16575 (c_parser_pragma_pch_preprocess): New.
16576 (c_parser_new): Merge into ...
16577 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16579 2006-01-04 Jeff Law <law@redhat.com>
16582 * tree-cfg.c (bsi_replace): Remove the original statement
16583 from the EH throw statement table.
16585 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16587 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16588 make the prototype extern "C" and add throw ().
16591 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16592 and pos non-negative and pos + len <= 32.
16593 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16594 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16595 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16598 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16599 as well as sizes not multiple of component size.
16602 * function.c (instantiate_expr): New function.
16603 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16604 walk its DECL_VALUE_EXPR with instantiate_expr.
16606 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16607 DW_OP_deref{,_size} if address isn't going to be added.
16609 2006-01-04 Ben Elliston <bje@au.ibm.com>
16611 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16612 * config/fp-bit.c: Likewise.
16614 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16616 * dominance.c: Add comment about why we use DFS numbering
16619 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16620 Richard Henderson <rth@redhat.com>
16622 Merge from gomp-branch:
16623 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16624 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16626 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16628 PR rtl-optimization/25578
16629 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16630 pass a parameter to simplify_shift_const if changing ASHIFTRT
16633 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16635 * builtins.c (get_builtin_sync_mem): New function.
16636 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16637 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16638 Call get_builtin_sync_mem to generate mem rtx.
16640 2006-01-03 Richard Guenther <rguenther@suse.de>
16643 * stmt.c (add_case_node): Make sure to clear overflow flags
16646 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16648 Merge from gomp-branch.
16649 * config/sparc/sync.md: New file.
16650 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16651 UNSPECV_LDSTUB): New constants.
16652 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16653 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16654 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16657 2006-01-03 Roger Sayle <roger@eyesopen.com>
16659 * combine.c (reg_subword_p): New predicate to test whether the
16660 destination of a set refers to a subword/piece of a register.
16661 (try_combine): Generalize the code to merge the setting of a
16662 pseudo to a constant followed by a set of a subword of that
16663 register to a constant.
16665 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16667 * basic-block.h (control_flow_graph): Change the type of
16668 x_label_to_block_map to VEC(basic_block,gc) *.
16669 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16670 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16672 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16673 VEC(basic_block,heap) *.
16674 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16675 ssa_prop_fini): Adjust the uses of cfg_blocks.
16677 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16679 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16681 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16682 hashing trees instead of a pointer hash.
16683 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16684 compare for MEM_EXPR.
16686 PR rtl-optimization/25130
16687 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16688 when comparing MEMs for GCSE
16690 2006-01-03 Ben Elliston <bje@au.ibm.com>
16692 * targhooks.h (default_decimal_float_supported_p): Declare.
16693 * targhooks.c (default_decimal_float_supported_p): Define.
16694 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16695 `default_decimal_float_supported_p'.
16696 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16698 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16700 * combine.c (apply_distributive_law <SUBREG>): Check
16701 TRULY_NOOP_TRUNCATION.
16703 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16705 * dwarf2out.c (have_switched_text_section): Delete.
16706 (have_multiple_function_sections): New.
16707 (have_location_lists): Make 'bool'.
16708 (add_AT_loc_list): Use 'true' not '1'.
16709 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16710 (output_loc_list): Use have_multiple_function_sections.
16711 (output_ranges): Likewise.
16712 (dwarf2out_begin_function): Set have_multiple_function_sections if
16714 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16715 Check function_section rather than DECL_SECTION_NAME.
16716 (dwarf2out_finish): Use have_multiple_function_sections.
16717 Don't clear have_location_lists.
16719 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16720 Jan Hubicka <jh@suse.cz>
16722 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16723 case of conditional jump jumping to the next instruction.
16724 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16725 cases of conditional jump jumping to the next instruction.
16727 2006-01-02 Jan Hubicka <jh@suse.cz>
16729 * i386.c (*_cost): Add COSTS_N_INSNS.
16730 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16732 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16735 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16737 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16739 * config/arm/arm.c (all_fpus): Fix comment typo.
16740 * config/darwin.c: Likewise.
16741 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16742 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16743 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16745 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16747 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16748 (rs6000_split_compare_and_swapqhi): New.
16749 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16750 (sync_compare_and_swapqhi_internal): New.
16751 * config/rs6000/rs6000-protos.h: Declare.